diff options
Diffstat (limited to 'src/plugins/platforms')
-rw-r--r-- | src/plugins/platforms/windows/qwindowseglcontext.cpp | 814 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowseglcontext.h | 249 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsglcontext.cpp | 307 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsglcontext.h | 128 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsintegration.cpp | 147 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsintegration.h | 3 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsnativeinterface.cpp | 54 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsnativeinterface.h | 14 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsopenglcontext.h | 89 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsopengltester.cpp | 146 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsopengltester.h | 52 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 59 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.h | 31 | ||||
-rw-r--r-- | src/plugins/platforms/windows/windows.pri | 7 |
14 files changed, 1841 insertions, 259 deletions
diff --git a/src/plugins/platforms/windows/qwindowseglcontext.cpp b/src/plugins/platforms/windows/qwindowseglcontext.cpp index d5ca06bb3f..6ceddf865c 100644 --- a/src/plugins/platforms/windows/qwindowseglcontext.cpp +++ b/src/plugins/platforms/windows/qwindowseglcontext.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. @@ -46,23 +46,282 @@ #include <QtCore/QDebug> #include <QtGui/QOpenGLContext> -#include <QtPlatformSupport/private/qeglconvenience_p.h> - QT_BEGIN_NAMESPACE /*! \class QWindowsEGLStaticContext \brief Static data for QWindowsEGLContext. - Keeps the display. The class is shared via - QSharedPointer in the windows, the contexts - and in QWindowsIntegration. The display will - be closed if the last instance is deleted. + Keeps the display. The class is shared via QSharedPointer in the windows, the + contexts and in QWindowsIntegration. The display will be closed if the last instance + is deleted. + + No EGL or OpenGL functions are called directly. Instead, they are resolved + dynamically. This works even if the plugin links directly to libegl/libglesv2 so + there is no need to differentiate between dynamic or Angle-only builds in here. \internal \ingroup qt-lighthouse-win */ +QWindowsLibEGL QWindowsEGLStaticContext::libEGL; +QWindowsLibGLESv2 QWindowsEGLStaticContext::libGLESv2; + +#ifdef Q_CC_MINGW +static void *resolveFunc(HMODULE lib, const char *name) +{ + QString baseNameStr = QString::fromLatin1(name); + QString nameStr; + void *proc = 0; + + // Play nice with 32-bit mingw: Try func first, then func@0, func@4, + // func@8, func@12, ..., func@64. The def file does not provide any aliases + // in libEGL and libGLESv2 in these builds which results in exporting + // function names like eglInitialize@12. This cannot be fixed without + // breaking binary compatibility. So be flexible here instead. + + int argSize = -1; + while (!proc && argSize <= 64) { + nameStr = baseNameStr; + if (argSize >= 0) + nameStr += QLatin1Char('@') + QString::number(argSize); + argSize = argSize < 0 ? 0 : argSize + 4; + proc = (void *) ::GetProcAddress(lib, nameStr.toLatin1().constData()); + } + return proc; +} +#else +static void *resolveFunc(HMODULE lib, const char *name) +{ +# ifndef Q_OS_WINCE + return (void *) ::GetProcAddress(lib, name); +# else + return (void *) ::GetProcAddress(lib, (const wchar_t *) QString::fromLatin1(name).utf16()); +# endif // Q_OS_WINCE +} +#endif // Q_CC_MINGW + +void *QWindowsLibEGL::resolve(const char *name) +{ + void *proc = m_lib ? resolveFunc(m_lib, name) : 0; + if (!proc) + qErrnoWarning(::GetLastError(), "Failed to resolve EGL function %s", name); + + return proc; +} + +bool QWindowsLibEGL::init() +{ +#ifdef QT_DEBUG + const char dllName[] = "libEGLd.dll"; +#else + const char dllName[] = "libEGL.dll"; +#endif + + qCDebug(lcQpaGl) << "Qt: Using EGL from" << dllName; + + m_lib = ::LoadLibraryW((const wchar_t *) QString::fromLatin1(dllName).utf16()); + if (!m_lib) { + qErrnoWarning(::GetLastError(), "Failed to load %s", dllName); + return false; + } + + eglGetError = reinterpret_cast<EGLint (EGLAPIENTRY *)(void)>(resolve("eglGetError")); + eglGetDisplay = reinterpret_cast<EGLDisplay (EGLAPIENTRY *)(EGLNativeDisplayType)>(resolve("eglGetDisplay")); + eglInitialize = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay, EGLint *, EGLint *)>(resolve("eglInitialize")); + eglTerminate = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay)>(resolve("eglTerminate")); + eglChooseConfig = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay, const EGLint *, EGLConfig *, EGLint, EGLint *)>(resolve("eglChooseConfig")); + eglGetConfigAttrib = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay, EGLConfig, EGLint, EGLint *)>(resolve("eglGetConfigAttrib")); + eglCreateWindowSurface = reinterpret_cast<EGLSurface (EGLAPIENTRY *)(EGLDisplay, EGLConfig, EGLNativeWindowType, const EGLint *)>(resolve("eglCreateWindowSurface")); + eglCreatePbufferSurface = reinterpret_cast<EGLSurface (EGLAPIENTRY *)(EGLDisplay , EGLConfig, const EGLint *)>(resolve("eglCreatePbufferSurface")); + eglDestroySurface = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay , EGLSurface )>(resolve("eglDestroySurface")); + eglBindAPI = reinterpret_cast<EGLBoolean (EGLAPIENTRY * )(EGLenum )>(resolve("eglBindAPI")); + eglSwapInterval = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay , EGLint )>(resolve("eglSwapInterval")); + eglCreateContext = reinterpret_cast<EGLContext (EGLAPIENTRY *)(EGLDisplay , EGLConfig , EGLContext , const EGLint *)>(resolve("eglCreateContext")); + eglDestroyContext = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay, EGLContext)>(resolve("eglDestroyContext")); + eglMakeCurrent = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay , EGLSurface , EGLSurface , EGLContext )>(resolve("eglMakeCurrent")); + eglGetCurrentContext = reinterpret_cast<EGLContext (EGLAPIENTRY *)(void)>(resolve("eglGetCurrentContext")); + eglGetCurrentSurface = reinterpret_cast<EGLSurface (EGLAPIENTRY *)(EGLint )>(resolve("eglGetCurrentSurface")); + eglGetCurrentDisplay = reinterpret_cast<EGLDisplay (EGLAPIENTRY *)(void)>(resolve("eglGetCurrentDisplay")); + eglSwapBuffers = reinterpret_cast<EGLBoolean (EGLAPIENTRY *)(EGLDisplay , EGLSurface)>(resolve("eglSwapBuffers")); + eglGetProcAddress = reinterpret_cast<__eglMustCastToProperFunctionPointerType (EGLAPIENTRY * )(const char *)>(resolve("eglGetProcAddress")); + + return eglGetError && eglGetDisplay && eglInitialize; +} + +void *QWindowsLibGLESv2::resolve(const char *name) +{ + void *proc = m_lib ? resolveFunc(m_lib, name) : 0; + if (!proc) + qWarning() << "Failed to resolve OpenGL ES function" << name; + + return proc; +} + +bool QWindowsLibGLESv2::init() +{ +#ifdef QT_DEBUG + const char dllName[] = "libGLESv2d.dll"; +#else + const char dllName[] = "libGLESv2.dll"; +#endif + + qCDebug(lcQpaGl) << "Qt: Using OpenGL ES 2.0 from" << dllName; + + m_lib = ::LoadLibraryW((const wchar_t *) QString::fromLatin1(dllName).utf16()); + if (!m_lib) { + qErrnoWarning(::GetLastError(), "Failed to load %s", dllName); + return false; + } + + glBindTexture = reinterpret_cast<void (APIENTRY *)(GLenum , GLuint )>(resolve("glBindTexture")); + glBlendFunc = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum )>(resolve("glBlendFunc")); + glClear = reinterpret_cast<void (APIENTRY *)(GLbitfield )>(resolve("glClear")); + glClearColor = reinterpret_cast<void (APIENTRY *)(GLfloat , GLfloat , GLfloat , GLfloat )>(resolve("glClearColor")); + glClearStencil = reinterpret_cast<void (APIENTRY *)(GLint )>(resolve("glClearStencil")); + glColorMask = reinterpret_cast<void (APIENTRY *)(GLboolean , GLboolean , GLboolean , GLboolean )>(resolve("glColorMask")); + glCopyTexImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLenum , GLint , GLint , GLsizei , GLsizei , GLint )>(resolve("glCopyTexImage2D")); + glCopyTexSubImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLint , GLint , GLint , GLint , GLsizei , GLsizei )>(resolve("glCopyTexSubImage2D")); + glCullFace = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glCullFace")); + glDeleteTextures = reinterpret_cast<void (APIENTRY *)(GLsizei , const GLuint *)>(resolve("glDeleteTextures")); + glDepthFunc = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glDepthFunc")); + glDepthMask = reinterpret_cast<void (APIENTRY *)(GLboolean )>(resolve("glDepthMask")); + glDisable = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glDisable")); + glDrawArrays = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLsizei )>(resolve("glDrawArrays")); + glDrawElements = reinterpret_cast<void (APIENTRY *)(GLenum , GLsizei , GLenum , const GLvoid *)>(resolve("glDrawElements")); + glEnable = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glEnable")); + glFinish = reinterpret_cast<void (APIENTRY *)()>(resolve("glFinish")); + glFlush = reinterpret_cast<void (APIENTRY *)()>(resolve("glFlush")); + glFrontFace = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glFrontFace")); + glGenTextures = reinterpret_cast<void (APIENTRY *)(GLsizei , GLuint *)>(resolve("glGenTextures")); + glGetBooleanv = reinterpret_cast<void (APIENTRY *)(GLenum , GLboolean *)>(resolve("glGetBooleanv")); + glGetError = reinterpret_cast<GLenum (APIENTRY *)()>(resolve("glGetError")); + glGetFloatv = reinterpret_cast<void (APIENTRY *)(GLenum , GLfloat *)>(resolve("glGetFloatv")); + glGetIntegerv = reinterpret_cast<void (APIENTRY *)(GLenum , GLint *)>(resolve("glGetIntegerv")); + glGetString = reinterpret_cast<const GLubyte * (APIENTRY *)(GLenum )>(resolve("glGetString")); + glGetTexParameterfv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLfloat *)>(resolve("glGetTexParameterfv")); + glGetTexParameteriv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLint *)>(resolve("glGetTexParameteriv")); + glHint = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum )>(resolve("glHint")); + glIsEnabled = reinterpret_cast<GLboolean (APIENTRY *)(GLenum )>(resolve("glIsEnabled")); + glIsTexture = reinterpret_cast<GLboolean (APIENTRY *)(GLuint )>(resolve("glIsTexture")); + glLineWidth = reinterpret_cast<void (APIENTRY *)(GLfloat )>(resolve("glLineWidth")); + glPixelStorei = reinterpret_cast<void (APIENTRY *)(GLenum , GLint )>(resolve("glPixelStorei")); + glPolygonOffset = reinterpret_cast<void (APIENTRY *)(GLfloat , GLfloat )>(resolve("glPolygonOffset")); + glReadPixels = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , GLvoid *)>(resolve("glReadPixels")); + glScissor = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLsizei , GLsizei )>(resolve("glScissor")); + glStencilFunc = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLuint )>(resolve("glStencilFunc")); + glStencilMask = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glStencilMask")); + glStencilOp = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLenum )>(resolve("glStencilOp")); + glTexImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLint , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(resolve("glTexImage2D")); + glTexParameterf = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLfloat )>(resolve("glTexParameterf")); + glTexParameterfv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , const GLfloat *)>(resolve("glTexParameterfv")); + glTexParameteri = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLint )>(resolve("glTexParameteri")); + glTexParameteriv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , const GLint *)>(resolve("glTexParameteriv")); + glTexSubImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *)>(resolve("glTexSubImage2D")); + glViewport = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLsizei , GLsizei )>(resolve("glViewport")); + + glActiveTexture = reinterpret_cast<void (APIENTRY *)(GLenum)>(resolve("glActiveTexture")); + glAttachShader = reinterpret_cast<void (APIENTRY *)(GLuint , GLuint )>(resolve("glAttachShader")); + glBindAttribLocation = reinterpret_cast<void (APIENTRY *)(GLuint , GLuint , const GLchar* )>(resolve("glBindAttribLocation")); + glBindBuffer = reinterpret_cast<void (APIENTRY *)(GLenum , GLuint )>(resolve("glBindBuffer")); + glBindFramebuffer = reinterpret_cast<void (APIENTRY *)(GLenum , GLuint )>(resolve("glBindFramebuffer")); + glBindRenderbuffer = reinterpret_cast<void (APIENTRY *)(GLenum , GLuint )>(resolve("glBindRenderbuffer")); + glBlendColor = reinterpret_cast<void (APIENTRY *)(GLclampf , GLclampf , GLclampf , GLclampf )>(resolve("glBlendColor")); + glBlendEquation = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glBlendEquation")); + glBlendEquationSeparate = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum )>(resolve("glBlendEquationSeparate")); + glBlendFuncSeparate = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLenum , GLenum )>(resolve("glBlendFuncSeparate")); + glBufferData = reinterpret_cast<void (APIENTRY *)(GLenum , qopengl_GLsizeiptr , const GLvoid* , GLenum )>(resolve("glBufferData")); + glBufferSubData = reinterpret_cast<void (APIENTRY *)(GLenum , qopengl_GLintptr , qopengl_GLsizeiptr , const GLvoid* )>(resolve("glBufferSubData")); + glCheckFramebufferStatus = reinterpret_cast<GLenum (APIENTRY *)(GLenum )>(resolve("glCheckFramebufferStatus")); + glCompileShader = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glCompileShader")); + glCompressedTexImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLenum , GLsizei , GLsizei, GLint, GLsizei, const GLvoid* )>(resolve("glCompressedTexImage2D")); + glCompressedTexSubImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLint , GLint, GLsizei, GLsizei, GLenum, GLsizei, const GLvoid* )>(resolve("glCompressedTexSubImage2D")); + glCreateProgram = reinterpret_cast<GLuint (APIENTRY *)(void)>(resolve("glCreateProgram")); + glCreateShader = reinterpret_cast<GLuint (APIENTRY *)(GLenum )>(resolve("glCreateShader")); + glDeleteBuffers = reinterpret_cast<void (APIENTRY *)(GLsizei , const GLuint*)>(resolve("glDeleteBuffers")); + glDeleteFramebuffers = reinterpret_cast<void (APIENTRY *)(GLsizei , const GLuint* )>(resolve("glDeleteFramebuffers")); + glDeleteProgram = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glDeleteProgram")); + glDeleteRenderbuffers = reinterpret_cast<void (APIENTRY *)(GLsizei , const GLuint* )>(resolve("glDeleteRenderbuffers")); + glDeleteShader = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glDeleteShader")); + glDetachShader = reinterpret_cast<void (APIENTRY *)(GLuint , GLuint )>(resolve("glDetachShader")); + glDisableVertexAttribArray = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glDisableVertexAttribArray")); + glEnableVertexAttribArray = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glEnableVertexAttribArray")); + glFramebufferRenderbuffer = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLenum , GLuint )>(resolve("glFramebufferRenderbuffer")); + glFramebufferTexture2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLenum , GLuint , GLint )>(resolve("glFramebufferTexture2D")); + glGenBuffers = reinterpret_cast<void (APIENTRY *)(GLsizei , GLuint* )>(resolve("glGenBuffers")); + glGenerateMipmap = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glGenerateMipmap")); + glGenFramebuffers = reinterpret_cast<void (APIENTRY *)(GLsizei , GLuint* )>(resolve("glGenFramebuffers")); + glGenRenderbuffers = reinterpret_cast<void (APIENTRY *)(GLsizei , GLuint* )>(resolve("glGenRenderbuffers")); + glGetActiveAttrib = reinterpret_cast<void (APIENTRY *)(GLuint , GLuint , GLsizei , GLsizei* , GLint* , GLenum* , GLchar* )>(resolve("glGetActiveAttrib")); + glGetActiveUniform = reinterpret_cast<void (APIENTRY *)(GLuint , GLuint , GLsizei , GLsizei* , GLint* , GLenum* , GLchar* )>(resolve("glGetActiveUniform")); + glGetAttachedShaders = reinterpret_cast<void (APIENTRY *)(GLuint , GLsizei , GLsizei*, GLuint* )>(resolve("glGetAttachedShaders")); + glGetAttribLocation = reinterpret_cast<int (APIENTRY *)(GLuint , const GLchar* )>(resolve("glGetAttribLocation")); + glGetBufferParameteriv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLint* )>(resolve("glGetBufferParameteriv")); + glGetFramebufferAttachmentParameteriv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum, GLenum , GLint* )>(resolve("glGetFramebufferAttachmentParameteriv")); + glGetProgramiv = reinterpret_cast<void (APIENTRY *)(GLuint , GLenum , GLint* )>(resolve("glGetProgramiv")); + glGetProgramInfoLog = reinterpret_cast<void (APIENTRY *)(GLuint , GLsizei , GLsizei* , GLchar* )>(resolve("glGetProgramInfoLog")); + glGetRenderbufferParameteriv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLint* )>(resolve("glGetRenderbufferParameteriv")); + glGetShaderiv = reinterpret_cast<void (APIENTRY *)(GLuint , GLenum , GLint* )>(resolve("glGetShaderiv")); + glGetShaderInfoLog = reinterpret_cast<void (APIENTRY *)(GLuint , GLsizei , GLsizei*, GLchar*)>(resolve("glGetShaderInfoLog")); + glGetShaderPrecisionFormat = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLint* , GLint* )>(resolve("glGetShaderPrecisionFormat")); + glGetShaderSource = reinterpret_cast<void (APIENTRY *)(GLuint , GLsizei , GLsizei* , GLchar* )>(resolve("glGetShaderSource")); + glGetUniformfv = reinterpret_cast<void (APIENTRY *)(GLuint , GLint , GLfloat*)>(resolve("glGetUniformfv")); + glGetUniformiv = reinterpret_cast<void (APIENTRY *)(GLuint , GLint , GLint*)>(resolve("glGetUniformiv")); + glGetUniformLocation = reinterpret_cast<int (APIENTRY *)(GLuint , const GLchar* )>(resolve("glGetUniformLocation")); + glGetVertexAttribfv = reinterpret_cast<void (APIENTRY *)(GLuint , GLenum , GLfloat* )>(resolve("glGetVertexAttribfv")); + glGetVertexAttribiv = reinterpret_cast<void (APIENTRY *)(GLuint , GLenum , GLint* )>(resolve("glGetVertexAttribiv")); + glGetVertexAttribPointerv = reinterpret_cast<void (APIENTRY *)(GLuint , GLenum , GLvoid** pointer)>(resolve("glGetVertexAttribPointerv")); + glIsBuffer = reinterpret_cast<GLboolean (APIENTRY *)(GLuint )>(resolve("glIsBuffer")); + glIsFramebuffer = reinterpret_cast<GLboolean (APIENTRY *)(GLuint )>(resolve("glIsFramebuffer")); + glIsProgram = reinterpret_cast<GLboolean (APIENTRY *)(GLuint )>(resolve("glIsProgram")); + glIsRenderbuffer = reinterpret_cast<GLboolean (APIENTRY *)(GLuint )>(resolve("glIsRenderbuffer")); + glIsShader = reinterpret_cast<GLboolean (APIENTRY *)(GLuint )>(resolve("glIsShader")); + glLinkProgram = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glLinkProgram")); + glReleaseShaderCompiler = reinterpret_cast<void (APIENTRY *)(void)>(resolve("glReleaseShaderCompiler")); + glRenderbufferStorage = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLsizei , GLsizei )>(resolve("glRenderbufferStorage")); + glSampleCoverage = reinterpret_cast<void (APIENTRY *)(GLclampf , GLboolean )>(resolve("glSampleCoverage")); + glShaderBinary = reinterpret_cast<void (APIENTRY *)(GLsizei , const GLuint*, GLenum , const GLvoid* , GLsizei )>(resolve("glShaderBinary")); + glShaderSource = reinterpret_cast<void (APIENTRY *)(GLuint , GLsizei , const GLchar* *, const GLint* )>(resolve("glShaderSource")); + glStencilFuncSeparate = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLint , GLuint )>(resolve("glStencilFuncSeparate")); + glStencilMaskSeparate = reinterpret_cast<void (APIENTRY *)(GLenum , GLuint )>(resolve("glStencilMaskSeparate")); + glStencilOpSeparate = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLenum , GLenum )>(resolve("glStencilOpSeparate")); + glUniform1f = reinterpret_cast<void (APIENTRY *)(GLint , GLfloat )>(resolve("glUniform1f")); + glUniform1fv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , const GLfloat* )>(resolve("glUniform1fv")); + glUniform1i = reinterpret_cast<void (APIENTRY *)(GLint , GLint )>(resolve("glUniform1i")); + glUniform1iv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , const GLint* )>(resolve("glUniform1iv")); + glUniform2f = reinterpret_cast<void (APIENTRY *)(GLint , GLfloat , GLfloat )>(resolve("glUniform2f")); + glUniform2fv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , const GLfloat* )>(resolve("glUniform2fv")); + glUniform2i = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLint )>(resolve("glUniform2i")); + glUniform2iv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , const GLint* )>(resolve("glUniform2iv")); + glUniform3f = reinterpret_cast<void (APIENTRY *)(GLint , GLfloat , GLfloat , GLfloat )>(resolve("glUniform3f")); + glUniform3fv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , const GLfloat* )>(resolve("glUniform3fv")); + glUniform3i = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLint , GLint )>(resolve("glUniform3i")); + glUniform3iv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , const GLint* )>(resolve("glUniform3iv")); + glUniform4f = reinterpret_cast<void (APIENTRY *)(GLint , GLfloat , GLfloat , GLfloat , GLfloat )>(resolve("glUniform4f")); + glUniform4fv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , const GLfloat* )>(resolve("glUniform4fv")); + glUniform4i = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLint , GLint , GLint )>(resolve("glUniform4i")); + glUniform4iv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , const GLint* )>(resolve("glUniform4iv")); + glUniformMatrix2fv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , GLboolean , const GLfloat* )>(resolve("glUniformMatrix2fv")); + glUniformMatrix3fv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , GLboolean , const GLfloat* )>(resolve("glUniformMatrix3fv")); + glUniformMatrix4fv = reinterpret_cast<void (APIENTRY *)(GLint , GLsizei , GLboolean , const GLfloat* )>(resolve("glUniformMatrix4fv")); + glUseProgram = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glUseProgram")); + glValidateProgram = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glValidateProgram")); + glVertexAttrib1f = reinterpret_cast<void (APIENTRY *)(GLuint , GLfloat )>(resolve("glVertexAttrib1f")); + glVertexAttrib1fv = reinterpret_cast<void (APIENTRY *)(GLuint , const GLfloat* )>(resolve("glVertexAttrib1fv")); + glVertexAttrib2f = reinterpret_cast<void (APIENTRY *)(GLuint , GLfloat , GLfloat )>(resolve("glVertexAttrib2f")); + glVertexAttrib2fv = reinterpret_cast<void (APIENTRY *)(GLuint , const GLfloat* )>(resolve("glVertexAttrib2fv")); + glVertexAttrib3f = reinterpret_cast<void (APIENTRY *)(GLuint , GLfloat , GLfloat , GLfloat )>(resolve("glVertexAttrib3f")); + glVertexAttrib3fv = reinterpret_cast<void (APIENTRY *)(GLuint , const GLfloat* )>(resolve("glVertexAttrib3fv")); + glVertexAttrib4f = reinterpret_cast<void (APIENTRY *)(GLuint , GLfloat , GLfloat , GLfloat , GLfloat )>(resolve("glVertexAttrib4f")); + glVertexAttrib4fv = reinterpret_cast<void (APIENTRY *)(GLuint , const GLfloat* )>(resolve("glVertexAttrib4fv")); + glVertexAttribPointer = reinterpret_cast<void (APIENTRY *)(GLuint , GLint, GLenum, GLboolean, GLsizei, const GLvoid* )>(resolve("glVertexAttribPointer")); + + glClearDepthf = reinterpret_cast<void (APIENTRY *)(GLclampf )>(resolve("glClearDepthf")); + glDepthRangef = reinterpret_cast<void (APIENTRY *)(GLclampf , GLclampf )>(resolve("glDepthRangef")); + + return glBindTexture && glCreateShader && glClearDepthf; +} + QWindowsEGLStaticContext::QWindowsEGLStaticContext(EGLDisplay display, int version) : m_display(display), m_version(version) { @@ -76,7 +335,16 @@ QWindowsEGLStaticContext *QWindowsEGLStaticContext::create() return 0; } - EGLDisplay display = eglGetDisplay((EGLNativeDisplayType)dc); + if (!libEGL.init()) { + qWarning("%s: Failed to load and resolve libEGL functions", Q_FUNC_INFO); + return 0; + } + if (!libGLESv2.init()) { + qWarning("%s: Failed to load and resolve libGLESv2 functions", Q_FUNC_INFO); + return 0; + } + + EGLDisplay display = libEGL.eglGetDisplay((EGLNativeDisplayType)dc); if (!display) { qWarning("%s: Could not obtain EGL display", Q_FUNC_INFO); return 0; @@ -84,9 +352,11 @@ QWindowsEGLStaticContext *QWindowsEGLStaticContext::create() EGLint major; EGLint minor; - if (!eglInitialize(display, &major, &minor)) { - qWarning("%s: Could not initialize egl display: error %d\n", - Q_FUNC_INFO, eglGetError()); + if (!libEGL.eglInitialize(display, &major, &minor)) { + int err = libEGL.eglGetError(); + qWarning("%s: Could not initialize EGL display: error 0x%x\n", Q_FUNC_INFO, err); + if (err == 0x3001) + qWarning("%s: When using ANGLE, check if d3dcompiler_4x.dll is available", Q_FUNC_INFO); return 0; } @@ -97,7 +367,70 @@ QWindowsEGLStaticContext *QWindowsEGLStaticContext::create() QWindowsEGLStaticContext::~QWindowsEGLStaticContext() { qCDebug(lcQpaGl) << __FUNCTION__ << "Releasing EGL display " << m_display; - eglTerminate(m_display); + libEGL.eglTerminate(m_display); +} + +QWindowsOpenGLContext *QWindowsEGLStaticContext::createContext(QOpenGLContext *context) +{ + return new QWindowsEGLContext(this, context->format(), context->shareHandle()); +} + +void *QWindowsEGLStaticContext::createWindowSurface(void *nativeWindow, void *nativeConfig) +{ + EGLSurface surface = libEGL.eglCreateWindowSurface(m_display, (EGLConfig) nativeConfig, + (EGLNativeWindowType) nativeWindow, 0); + if (surface == EGL_NO_SURFACE) + qWarning("%s: Could not create the EGL window surface: 0x%x\n", Q_FUNC_INFO, libEGL.eglGetError()); + + return surface; +} + +void QWindowsEGLStaticContext::destroyWindowSurface(void *nativeSurface) +{ + libEGL.eglDestroySurface(m_display, (EGLSurface) nativeSurface); +} + +QSurfaceFormat QWindowsEGLStaticContext::formatFromConfig(EGLDisplay display, EGLConfig config, + const QSurfaceFormat &referenceFormat) +{ + QSurfaceFormat format; + EGLint redSize = 0; + EGLint greenSize = 0; + EGLint blueSize = 0; + EGLint alphaSize = 0; + EGLint depthSize = 0; + EGLint stencilSize = 0; + EGLint sampleCount = 0; + + libEGL.eglGetConfigAttrib(display, config, EGL_RED_SIZE, &redSize); + libEGL.eglGetConfigAttrib(display, config, EGL_GREEN_SIZE, &greenSize); + libEGL.eglGetConfigAttrib(display, config, EGL_BLUE_SIZE, &blueSize); + libEGL.eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE, &alphaSize); + libEGL.eglGetConfigAttrib(display, config, EGL_DEPTH_SIZE, &depthSize); + libEGL.eglGetConfigAttrib(display, config, EGL_STENCIL_SIZE, &stencilSize); + libEGL.eglGetConfigAttrib(display, config, EGL_SAMPLES, &sampleCount); + + format.setRenderableType(QSurfaceFormat::OpenGLES); + format.setVersion(referenceFormat.majorVersion(), referenceFormat.minorVersion()); + format.setProfile(referenceFormat.profile()); + format.setOptions(referenceFormat.options()); + + format.setRedBufferSize(redSize); + format.setGreenBufferSize(greenSize); + format.setBlueBufferSize(blueSize); + format.setAlphaBufferSize(alphaSize); + format.setDepthBufferSize(depthSize); + format.setStencilBufferSize(stencilSize); + format.setSamples(sampleCount); + format.setStereo(false); + format.setSwapInterval(referenceFormat.swapInterval()); + + // Clear the EGL error state because some of the above may + // have errored out because the attribute is not applicable + // to the surface type. Such errors don't matter. + libEGL.eglGetError(); + + return format; } /*! @@ -121,40 +454,465 @@ QWindowsEGLStaticContext::~QWindowsEGLStaticContext() \ingroup qt-lighthouse-win */ -QWindowsEGLContext::QWindowsEGLContext(const QWindowsEGLStaticContextPtr &staticContext, +QWindowsEGLContext::QWindowsEGLContext(QWindowsEGLStaticContext *staticContext, const QSurfaceFormat &format, QPlatformOpenGLContext *share) - : QEGLPlatformContext(format, share, staticContext->display()) - , m_staticContext(staticContext) + : m_staticContext(staticContext) + , m_eglDisplay(staticContext->display()) + , m_api(EGL_OPENGL_ES_API) + , m_swapInterval(-1) { + if (!m_staticContext) + return; + + m_eglConfig = chooseConfig(format); + m_format = m_staticContext->formatFromConfig(m_eglDisplay, m_eglConfig, format); + m_shareContext = share ? static_cast<QWindowsEGLContext *>(share)->m_eglContext : 0; + + QVector<EGLint> contextAttrs; + contextAttrs.append(EGL_CONTEXT_CLIENT_VERSION); + contextAttrs.append(m_format.majorVersion()); + contextAttrs.append(EGL_NONE); + + QWindowsEGLStaticContext::libEGL.eglBindAPI(m_api); + m_eglContext = QWindowsEGLStaticContext::libEGL.eglCreateContext(m_eglDisplay, m_eglConfig, m_shareContext, contextAttrs.constData()); + if (m_eglContext == EGL_NO_CONTEXT && m_shareContext != EGL_NO_CONTEXT) { + m_shareContext = 0; + m_eglContext = QWindowsEGLStaticContext::libEGL.eglCreateContext(m_eglDisplay, m_eglConfig, 0, contextAttrs.constData()); + } + + if (m_eglContext == EGL_NO_CONTEXT) { + qWarning("QWindowsEGLContext: eglError: %x, this: %p \n", QWindowsEGLStaticContext::libEGL.eglGetError(), this); + return; + } + + // Make the context current to ensure the GL version query works. This needs a surface too. + const EGLint pbufferAttributes[] = { + EGL_WIDTH, 1, + EGL_HEIGHT, 1, + EGL_LARGEST_PBUFFER, EGL_FALSE, + EGL_NONE + }; + EGLSurface pbuffer = QWindowsEGLStaticContext::libEGL.eglCreatePbufferSurface(m_eglDisplay, m_eglConfig, pbufferAttributes); + if (pbuffer == EGL_NO_SURFACE) + return; + + if (QWindowsEGLStaticContext::libEGL.eglMakeCurrent(m_eglDisplay, pbuffer, pbuffer, m_eglContext)) { + const GLubyte *s = QWindowsEGLStaticContext::libGLESv2.glGetString(GL_VERSION); + if (s) { + QByteArray version = QByteArray(reinterpret_cast<const char *>(s)); + int major, minor; + if (QPlatformOpenGLContext::parseOpenGLVersion(version, major, minor)) { + m_format.setMajorVersion(major); + m_format.setMinorVersion(minor); + } + } + m_format.setProfile(QSurfaceFormat::NoProfile); + m_format.setOptions(QSurfaceFormat::FormatOptions()); + QWindowsEGLStaticContext::libEGL.eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + } + QWindowsEGLStaticContext::libEGL.eglDestroySurface(m_eglDisplay, pbuffer); } QWindowsEGLContext::~QWindowsEGLContext() { + if (m_eglContext != EGL_NO_CONTEXT) { + QWindowsEGLStaticContext::libEGL.eglDestroyContext(m_eglDisplay, m_eglContext); + m_eglContext = EGL_NO_CONTEXT; + } } -bool QWindowsEGLContext::hasThreadedOpenGLCapability() +bool QWindowsEGLContext::makeCurrent(QPlatformSurface *surface) { - return false; + Q_ASSERT(surface->surface()->supportsOpenGL()); + + QWindowsEGLStaticContext::libEGL.eglBindAPI(m_api); + + QWindowsWindow *window = static_cast<QWindowsWindow *>(surface); + EGLSurface eglSurface = static_cast<EGLSurface>(window->surface(m_eglConfig)); + Q_ASSERT(eglSurface); + + // shortcut: on some GPUs, eglMakeCurrent is not a cheap operation + if (QWindowsEGLStaticContext::libEGL.eglGetCurrentContext() == m_eglContext && + QWindowsEGLStaticContext::libEGL.eglGetCurrentDisplay() == m_eglDisplay && + QWindowsEGLStaticContext::libEGL.eglGetCurrentSurface(EGL_READ) == eglSurface && + QWindowsEGLStaticContext::libEGL.eglGetCurrentSurface(EGL_DRAW) == eglSurface) { + return true; + } + + const bool ok = QWindowsEGLStaticContext::libEGL.eglMakeCurrent(m_eglDisplay, eglSurface, eglSurface, m_eglContext); + if (ok) { + const int requestedSwapInterval = surface->format().swapInterval(); + if (requestedSwapInterval >= 0 && m_swapInterval != requestedSwapInterval) { + m_swapInterval = requestedSwapInterval; + QWindowsEGLStaticContext::libEGL.eglSwapInterval(m_staticContext->display(), m_swapInterval); + } + } else { + qWarning("QWindowsEGLContext::makeCurrent: eglError: %x, this: %p \n", QWindowsEGLStaticContext::libEGL.eglGetError(), this); + } + + return ok; } -EGLSurface QWindowsEGLContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface) +void QWindowsEGLContext::doneCurrent() { - const QWindowsWindow *window = static_cast<const QWindowsWindow *>(surface); - return window->eglSurfaceHandle(); + QWindowsEGLStaticContext::libEGL.eglBindAPI(m_api); + bool ok = QWindowsEGLStaticContext::libEGL.eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + if (!ok) + qWarning("QWindowsEGLContext::doneCurrent: eglError: %d, this: %p \n", QWindowsEGLStaticContext::libEGL.eglGetError(), this); } -bool QWindowsEGLContext::makeCurrent(QPlatformSurface *surface) +void QWindowsEGLContext::swapBuffers(QPlatformSurface *surface) { - bool ok = false; + QWindowsEGLStaticContext::libEGL.eglBindAPI(m_api); QWindowsWindow *window = static_cast<QWindowsWindow *>(surface); - if (EGLSurface eglSurface = window->ensureEglSurfaceHandle(m_staticContext, eglConfig())) { - ok = eglMakeCurrent(eglDisplay(), eglSurface, eglSurface, eglContext()); - if (!ok) - qWarning("%s: eglMakeCurrent() failed, eglError: 0x%x, this: %p \n", - Q_FUNC_INFO, eglGetError(), this); + EGLSurface eglSurface = static_cast<EGLSurface>(window->surface(m_eglConfig)); + Q_ASSERT(eglSurface); + + bool ok = QWindowsEGLStaticContext::libEGL.eglSwapBuffers(m_eglDisplay, eglSurface); + if (!ok) + qWarning("QWindowsEGLContext::swapBuffers: eglError: %d, this: %p \n", QWindowsEGLStaticContext::libEGL.eglGetError(), this); +} + +QFunctionPointer QWindowsEGLContext::getProcAddress(const QByteArray &procName) +{ + // We support AllGLFunctionsQueryable, which means this function must be able to + // return a function pointer for standard GLES2 functions too. These are not + // guaranteed to be queryable via eglGetProcAddress(). + static struct StdFunc { + const char *name; + void *func; + } standardFuncs[] = { + { "glBindTexture", (void *) QWindowsEGLStaticContext::libGLESv2.glBindTexture }, + { "glBlendFunc", (void *) QWindowsEGLStaticContext::libGLESv2.glBlendFunc }, + { "glClear", (void *) QWindowsEGLStaticContext::libGLESv2.glClear }, + { "glClearColor", (void *) QWindowsEGLStaticContext::libGLESv2.glClearColor }, + { "glClearStencil", (void *) QWindowsEGLStaticContext::libGLESv2.glClearStencil }, + { "glColorMask", (void *) QWindowsEGLStaticContext::libGLESv2.glColorMask }, + { "glCopyTexImage2D", (void *) QWindowsEGLStaticContext::libGLESv2.glCopyTexImage2D }, + { "glCopyTexSubImage2D", (void *) QWindowsEGLStaticContext::libGLESv2.glCopyTexSubImage2D }, + { "glCullFace", (void *) QWindowsEGLStaticContext::libGLESv2.glCullFace }, + { "glDeleteTextures", (void *) QWindowsEGLStaticContext::libGLESv2.glDeleteTextures }, + { "glDepthFunc", (void *) QWindowsEGLStaticContext::libGLESv2.glDepthFunc }, + { "glDepthMask", (void *) QWindowsEGLStaticContext::libGLESv2.glDepthMask }, + { "glDisable", (void *) QWindowsEGLStaticContext::libGLESv2.glDisable }, + { "glDrawArrays", (void *) QWindowsEGLStaticContext::libGLESv2.glDrawArrays }, + { "glDrawElements", (void *) QWindowsEGLStaticContext::libGLESv2.glDrawElements }, + { "glEnable", (void *) QWindowsEGLStaticContext::libGLESv2.glEnable }, + { "glFinish", (void *) QWindowsEGLStaticContext::libGLESv2.glFinish }, + { "glFlush", (void *) QWindowsEGLStaticContext::libGLESv2.glFlush }, + { "glFrontFace", (void *) QWindowsEGLStaticContext::libGLESv2.glFrontFace }, + { "glGenTextures", (void *) QWindowsEGLStaticContext::libGLESv2.glGenTextures }, + { "glGetBooleanv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetBooleanv }, + { "glGetError", (void *) QWindowsEGLStaticContext::libGLESv2.glGetError }, + { "glGetFloatv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetFloatv }, + { "glGetIntegerv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetIntegerv }, + { "glGetString", (void *) QWindowsEGLStaticContext::libGLESv2.glGetString }, + { "glGetTexParameterfv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetTexParameterfv }, + { "glGetTexParameteriv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetTexParameteriv }, + { "glHint", (void *) QWindowsEGLStaticContext::libGLESv2.glHint }, + { "glIsEnabled", (void *) QWindowsEGLStaticContext::libGLESv2.glIsEnabled }, + { "glIsTexture", (void *) QWindowsEGLStaticContext::libGLESv2.glIsTexture }, + { "glLineWidth", (void *) QWindowsEGLStaticContext::libGLESv2.glLineWidth }, + { "glPixelStorei", (void *) QWindowsEGLStaticContext::libGLESv2.glPixelStorei }, + { "glPolygonOffset", (void *) QWindowsEGLStaticContext::libGLESv2.glPolygonOffset }, + { "glReadPixels", (void *) QWindowsEGLStaticContext::libGLESv2.glReadPixels }, + { "glScissor", (void *) QWindowsEGLStaticContext::libGLESv2.glScissor }, + { "glStencilFunc", (void *) QWindowsEGLStaticContext::libGLESv2.glStencilFunc }, + { "glStencilMask", (void *) QWindowsEGLStaticContext::libGLESv2.glStencilMask }, + { "glStencilOp", (void *) QWindowsEGLStaticContext::libGLESv2.glStencilOp }, + { "glTexImage2D", (void *) QWindowsEGLStaticContext::libGLESv2.glTexImage2D }, + { "glTexParameterf", (void *) QWindowsEGLStaticContext::libGLESv2.glTexParameterf }, + { "glTexParameterfv", (void *) QWindowsEGLStaticContext::libGLESv2.glTexParameterfv }, + { "glTexParameteri", (void *) QWindowsEGLStaticContext::libGLESv2.glTexParameteri }, + { "glTexParameteriv", (void *) QWindowsEGLStaticContext::libGLESv2.glTexParameteriv }, + { "glTexSubImage2D", (void *) QWindowsEGLStaticContext::libGLESv2.glTexSubImage2D }, + { "glViewport", (void *) QWindowsEGLStaticContext::libGLESv2.glViewport }, + + { "glActiveTexture", (void *) QWindowsEGLStaticContext::libGLESv2.glActiveTexture }, + { "glAttachShader", (void *) QWindowsEGLStaticContext::libGLESv2.glAttachShader }, + { "glBindAttribLocation", (void *) QWindowsEGLStaticContext::libGLESv2.glBindAttribLocation }, + { "glBindBuffer", (void *) QWindowsEGLStaticContext::libGLESv2.glBindBuffer }, + { "glBindFramebuffer", (void *) QWindowsEGLStaticContext::libGLESv2.glBindFramebuffer }, + { "glBindRenderbuffer", (void *) QWindowsEGLStaticContext::libGLESv2.glBindRenderbuffer }, + { "glBlendColor", (void *) QWindowsEGLStaticContext::libGLESv2.glBlendColor }, + { "glBlendEquation", (void *) QWindowsEGLStaticContext::libGLESv2.glBlendEquation }, + { "glBlendEquationSeparate", (void *) QWindowsEGLStaticContext::libGLESv2.glBlendEquationSeparate }, + { "glBlendFuncSeparate", (void *) QWindowsEGLStaticContext::libGLESv2.glBlendFuncSeparate }, + { "glBufferData", (void *) QWindowsEGLStaticContext::libGLESv2.glBufferData }, + { "glBufferSubData", (void *) QWindowsEGLStaticContext::libGLESv2.glBufferSubData }, + { "glCheckFramebufferStatus", (void *) QWindowsEGLStaticContext::libGLESv2.glCheckFramebufferStatus }, + { "glCompileShader", (void *) QWindowsEGLStaticContext::libGLESv2.glCompileShader }, + { "glCompressedTexImage2D", (void *) QWindowsEGLStaticContext::libGLESv2.glCompressedTexImage2D }, + { "glCompressedTexSubImage2D", (void *) QWindowsEGLStaticContext::libGLESv2.glCompressedTexSubImage2D }, + { "glCreateProgram", (void *) QWindowsEGLStaticContext::libGLESv2.glCreateProgram }, + { "glCreateShader", (void *) QWindowsEGLStaticContext::libGLESv2.glCreateShader }, + { "glDeleteBuffers", (void *) QWindowsEGLStaticContext::libGLESv2.glDeleteBuffers }, + { "glDeleteFramebuffers", (void *) QWindowsEGLStaticContext::libGLESv2.glDeleteFramebuffers }, + { "glDeleteProgram", (void *) QWindowsEGLStaticContext::libGLESv2.glDeleteProgram }, + { "glDeleteRenderbuffers", (void *) QWindowsEGLStaticContext::libGLESv2.glDeleteRenderbuffers }, + { "glDeleteShader", (void *) QWindowsEGLStaticContext::libGLESv2.glDeleteShader }, + { "glDetachShader", (void *) QWindowsEGLStaticContext::libGLESv2.glDetachShader }, + { "glDisableVertexAttribArray", (void *) QWindowsEGLStaticContext::libGLESv2.glDisableVertexAttribArray }, + { "glEnableVertexAttribArray", (void *) QWindowsEGLStaticContext::libGLESv2.glEnableVertexAttribArray }, + { "glFramebufferRenderbuffer", (void *) QWindowsEGLStaticContext::libGLESv2.glFramebufferRenderbuffer }, + { "glFramebufferTexture2D", (void *) QWindowsEGLStaticContext::libGLESv2.glFramebufferTexture2D }, + { "glGenBuffers", (void *) QWindowsEGLStaticContext::libGLESv2.glGenBuffers }, + { "glGenerateMipmap", (void *) QWindowsEGLStaticContext::libGLESv2.glGenerateMipmap }, + { "glGenFramebuffers", (void *) QWindowsEGLStaticContext::libGLESv2.glGenFramebuffers }, + { "glGenRenderbuffers", (void *) QWindowsEGLStaticContext::libGLESv2.glGenRenderbuffers }, + { "glGetActiveAttrib", (void *) QWindowsEGLStaticContext::libGLESv2.glGetActiveAttrib }, + { "glGetActiveUniform", (void *) QWindowsEGLStaticContext::libGLESv2.glGetActiveUniform }, + { "glGetAttachedShaders", (void *) QWindowsEGLStaticContext::libGLESv2.glGetAttachedShaders }, + { "glGetAttribLocation", (void *) QWindowsEGLStaticContext::libGLESv2.glGetAttribLocation }, + { "glGetBufferParameteriv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetBufferParameteriv }, + { "glGetFramebufferAttachmentParameteriv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetFramebufferAttachmentParameteriv }, + { "glGetProgramiv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetProgramiv }, + { "glGetProgramInfoLog", (void *) QWindowsEGLStaticContext::libGLESv2.glGetProgramInfoLog }, + { "glGetRenderbufferParameteriv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetRenderbufferParameteriv }, + { "glGetShaderiv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetShaderiv }, + { "glGetShaderInfoLog", (void *) QWindowsEGLStaticContext::libGLESv2.glGetShaderInfoLog }, + { "glGetShaderPrecisionFormat", (void *) QWindowsEGLStaticContext::libGLESv2.glGetShaderPrecisionFormat }, + { "glGetShaderSource", (void *) QWindowsEGLStaticContext::libGLESv2.glGetShaderSource }, + { "glGetUniformfv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetUniformfv }, + { "glGetUniformiv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetUniformiv }, + { "glGetUniformLocation", (void *) QWindowsEGLStaticContext::libGLESv2.glGetUniformLocation }, + { "glGetVertexAttribfv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetVertexAttribfv }, + { "glGetVertexAttribiv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetVertexAttribiv }, + { "glGetVertexAttribPointerv", (void *) QWindowsEGLStaticContext::libGLESv2.glGetVertexAttribPointerv }, + { "glIsBuffer", (void *) QWindowsEGLStaticContext::libGLESv2.glIsBuffer }, + { "glIsFramebuffer", (void *) QWindowsEGLStaticContext::libGLESv2.glIsFramebuffer }, + { "glIsProgram", (void *) QWindowsEGLStaticContext::libGLESv2.glIsProgram }, + { "glIsRenderbuffer", (void *) QWindowsEGLStaticContext::libGLESv2.glIsRenderbuffer }, + { "glIsShader", (void *) QWindowsEGLStaticContext::libGLESv2.glIsShader }, + { "glLinkProgram", (void *) QWindowsEGLStaticContext::libGLESv2.glLinkProgram }, + { "glReleaseShaderCompiler", (void *) QWindowsEGLStaticContext::libGLESv2.glReleaseShaderCompiler }, + { "glRenderbufferStorage", (void *) QWindowsEGLStaticContext::libGLESv2.glRenderbufferStorage }, + { "glSampleCoverage", (void *) QWindowsEGLStaticContext::libGLESv2.glSampleCoverage }, + { "glShaderBinary", (void *) QWindowsEGLStaticContext::libGLESv2.glShaderBinary }, + { "glShaderSource", (void *) QWindowsEGLStaticContext::libGLESv2.glShaderSource }, + { "glStencilFuncSeparate", (void *) QWindowsEGLStaticContext::libGLESv2.glStencilFuncSeparate }, + { "glStencilMaskSeparate", (void *) QWindowsEGLStaticContext::libGLESv2.glStencilMaskSeparate }, + { "glStencilOpSeparate", (void *) QWindowsEGLStaticContext::libGLESv2.glStencilOpSeparate }, + { "glUniform1f", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform1f }, + { "glUniform1fv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform1fv }, + { "glUniform1i", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform1i }, + { "glUniform1iv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform1iv }, + { "glUniform2f", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform2f }, + { "glUniform2fv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform2fv }, + { "glUniform2i", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform2i }, + { "glUniform2iv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform2iv }, + { "glUniform3f", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform3f }, + { "glUniform3fv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform3fv }, + { "glUniform3i", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform3i }, + { "glUniform3iv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform3iv }, + { "glUniform4f", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform4f }, + { "glUniform4fv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform4fv }, + { "glUniform4i", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform4i }, + { "glUniform4iv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniform4iv }, + { "glUniformMatrix2fv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniformMatrix2fv }, + { "glUniformMatrix3fv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniformMatrix3fv }, + { "glUniformMatrix4fv", (void *) QWindowsEGLStaticContext::libGLESv2.glUniformMatrix4fv }, + { "glUseProgram", (void *) QWindowsEGLStaticContext::libGLESv2.glUseProgram }, + { "glValidateProgram", (void *) QWindowsEGLStaticContext::libGLESv2.glValidateProgram }, + { "glVertexAttrib1f", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttrib1f }, + { "glVertexAttrib1fv", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttrib1fv }, + { "glVertexAttrib2f", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttrib2f }, + { "glVertexAttrib2fv", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttrib2fv }, + { "glVertexAttrib3f", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttrib3f }, + { "glVertexAttrib3fv", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttrib3fv }, + { "glVertexAttrib4f", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttrib4f }, + { "glVertexAttrib4fv", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttrib4fv }, + { "glVertexAttribPointer", (void *) QWindowsEGLStaticContext::libGLESv2.glVertexAttribPointer }, + + { "glClearDepthf", (void *) QWindowsEGLStaticContext::libGLESv2.glClearDepthf }, + { "glDepthRangef", (void *) QWindowsEGLStaticContext::libGLESv2.glDepthRangef } + }; + for (size_t i = 0; i < sizeof(standardFuncs) / sizeof(StdFunc); ++i) + if (procName == standardFuncs[i].name) + return reinterpret_cast<QFunctionPointer>(standardFuncs[i].func); + + QWindowsEGLStaticContext::libEGL.eglBindAPI(m_api); + QFunctionPointer procAddress = reinterpret_cast<QFunctionPointer>(QWindowsEGLStaticContext::libEGL.eglGetProcAddress(procName.constData())); + if (QWindowsContext::verbose > 1) + qCDebug(lcQpaGl) << __FUNCTION__ << procName << QWindowsEGLStaticContext::libEGL.eglGetCurrentContext() << "returns" << procAddress; + if (!procAddress) + qWarning("%s: Unable to resolve '%s'", __FUNCTION__, procName.constData()); + return procAddress; +} + +static QVector<EGLint> createConfigAttributesFromFormat(const QSurfaceFormat &format) +{ + int redSize = format.redBufferSize(); + int greenSize = format.greenBufferSize(); + int blueSize = format.blueBufferSize(); + int alphaSize = format.alphaBufferSize(); + int depthSize = format.depthBufferSize(); + int stencilSize = format.stencilBufferSize(); + int sampleCount = format.samples(); + + QVector<EGLint> configAttributes; + configAttributes.reserve(16); + + configAttributes.append(EGL_RED_SIZE); + configAttributes.append(redSize > 0 ? redSize : 0); + + configAttributes.append(EGL_GREEN_SIZE); + configAttributes.append(greenSize > 0 ? greenSize : 0); + + configAttributes.append(EGL_BLUE_SIZE); + configAttributes.append(blueSize > 0 ? blueSize : 0); + + configAttributes.append(EGL_ALPHA_SIZE); + configAttributes.append(alphaSize > 0 ? alphaSize : 0); + + configAttributes.append(EGL_DEPTH_SIZE); + configAttributes.append(depthSize > 0 ? depthSize : 0); + + configAttributes.append(EGL_STENCIL_SIZE); + configAttributes.append(stencilSize > 0 ? stencilSize : 0); + + configAttributes.append(EGL_SAMPLES); + configAttributes.append(sampleCount > 0 ? sampleCount : 0); + + configAttributes.append(EGL_SAMPLE_BUFFERS); + configAttributes.append(sampleCount > 0); + + return configAttributes; +} + +static bool reduceConfigAttributes(QVector<EGLint> *configAttributes) +{ + int i = -1; + + i = configAttributes->indexOf(EGL_SWAP_BEHAVIOR); + if (i >= 0) { + configAttributes->remove(i,2); } - return ok; + + i = configAttributes->indexOf(EGL_BUFFER_SIZE); + if (i >= 0) { + if (configAttributes->at(i+1) == 16) { + configAttributes->remove(i,2); + return true; + } + } + + i = configAttributes->indexOf(EGL_SAMPLES); + if (i >= 0) { + EGLint value = configAttributes->value(i+1, 0); + if (value > 1) + configAttributes->replace(i+1, qMin(EGLint(16), value / 2)); + else + configAttributes->remove(i, 2); + return true; + } + + i = configAttributes->indexOf(EGL_SAMPLE_BUFFERS); + if (i >= 0) { + configAttributes->remove(i,2); + return true; + } + + i = configAttributes->indexOf(EGL_ALPHA_SIZE); + if (i >= 0) { + configAttributes->remove(i,2); +#if defined(EGL_BIND_TO_TEXTURE_RGBA) && defined(EGL_BIND_TO_TEXTURE_RGB) + i = configAttributes->indexOf(EGL_BIND_TO_TEXTURE_RGBA); + if (i >= 0) { + configAttributes->replace(i,EGL_BIND_TO_TEXTURE_RGB); + configAttributes->replace(i+1,true); + + } +#endif + return true; + } + + i = configAttributes->indexOf(EGL_STENCIL_SIZE); + if (i >= 0) { + if (configAttributes->at(i + 1) > 1) + configAttributes->replace(i + 1, 1); + else + configAttributes->remove(i, 2); + return true; + } + + i = configAttributes->indexOf(EGL_DEPTH_SIZE); + if (i >= 0) { + if (configAttributes->at(i + 1) > 1) + configAttributes->replace(i + 1, 1); + else + configAttributes->remove(i, 2); + return true; + } +#ifdef EGL_BIND_TO_TEXTURE_RGB + i = configAttributes->indexOf(EGL_BIND_TO_TEXTURE_RGB); + if (i >= 0) { + configAttributes->remove(i,2); + return true; + } +#endif + + return false; +} + +EGLConfig QWindowsEGLContext::chooseConfig(const QSurfaceFormat &format) +{ + QVector<EGLint> configureAttributes = createConfigAttributesFromFormat(format); + configureAttributes.append(EGL_SURFACE_TYPE); + configureAttributes.append(EGL_WINDOW_BIT); + configureAttributes.append(EGL_RENDERABLE_TYPE); + configureAttributes.append(EGL_OPENGL_ES2_BIT); + configureAttributes.append(EGL_NONE); + + EGLDisplay display = m_staticContext->display(); + EGLConfig cfg = 0; + do { + // Get the number of matching configurations for this set of properties. + EGLint matching = 0; + if (!QWindowsEGLStaticContext::libEGL.eglChooseConfig(display, configureAttributes.constData(), 0, 0, &matching) || !matching) + continue; + + // Fetch all of the matching configurations and find the + // first that matches the pixel format we wanted. + int i = configureAttributes.indexOf(EGL_RED_SIZE); + int confAttrRed = configureAttributes.at(i+1); + i = configureAttributes.indexOf(EGL_GREEN_SIZE); + int confAttrGreen = configureAttributes.at(i+1); + i = configureAttributes.indexOf(EGL_BLUE_SIZE); + int confAttrBlue = configureAttributes.at(i+1); + i = configureAttributes.indexOf(EGL_ALPHA_SIZE); + int confAttrAlpha = i == -1 ? 0 : configureAttributes.at(i+1); + + QVector<EGLConfig> configs(matching); + QWindowsEGLStaticContext::libEGL.eglChooseConfig(display, configureAttributes.constData(), configs.data(), configs.size(), &matching); + if (!cfg && matching > 0) + cfg = configs.first(); + + EGLint red = 0; + EGLint green = 0; + EGLint blue = 0; + EGLint alpha = 0; + for (int i = 0; i < configs.size(); ++i) { + if (confAttrRed) + QWindowsEGLStaticContext::libEGL.eglGetConfigAttrib(display, configs[i], EGL_RED_SIZE, &red); + if (confAttrGreen) + QWindowsEGLStaticContext::libEGL.eglGetConfigAttrib(display, configs[i], EGL_GREEN_SIZE, &green); + if (confAttrBlue) + QWindowsEGLStaticContext::libEGL.eglGetConfigAttrib(display, configs[i], EGL_BLUE_SIZE, &blue); + if (confAttrAlpha) + QWindowsEGLStaticContext::libEGL.eglGetConfigAttrib(display, configs[i], EGL_ALPHA_SIZE, &alpha); + + if (red == confAttrRed && green == confAttrGreen + && blue == confAttrBlue && alpha == confAttrAlpha) + return configs[i]; + } + } while (reduceConfigAttributes(&configureAttributes)); + + if (!cfg) + qWarning("Cannot find EGLConfig, returning null config"); + + return cfg; } QT_END_NAMESPACE diff --git a/src/plugins/platforms/windows/qwindowseglcontext.h b/src/plugins/platforms/windows/qwindowseglcontext.h index 33653b2f2e..813c605396 100644 --- a/src/plugins/platforms/windows/qwindowseglcontext.h +++ b/src/plugins/platforms/windows/qwindowseglcontext.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. @@ -42,20 +42,229 @@ #ifndef QWINDOWSEGLCONTEXT_H #define QWINDOWSEGLCONTEXT_H -#include <QtPlatformSupport/private/qeglplatformcontext_p.h> -#include <QSharedPointer> +#include "qwindowsopenglcontext.h" +#include <EGL/egl.h> QT_BEGIN_NAMESPACE -class QWindowsEGLStaticContext +struct QWindowsLibEGL +{ + bool init(); + + EGLint (EGLAPIENTRY * eglGetError)(void); + EGLDisplay (EGLAPIENTRY * eglGetDisplay)(EGLNativeDisplayType display_id); + EGLBoolean (EGLAPIENTRY * eglInitialize)(EGLDisplay dpy, EGLint *major, EGLint *minor); + EGLBoolean (EGLAPIENTRY * eglTerminate)(EGLDisplay dpy); + EGLBoolean (EGLAPIENTRY * eglChooseConfig)(EGLDisplay dpy, const EGLint *attrib_list, + EGLConfig *configs, EGLint config_size, + EGLint *num_config); + EGLBoolean (EGLAPIENTRY * eglGetConfigAttrib)(EGLDisplay dpy, EGLConfig config, + EGLint attribute, EGLint *value); + EGLSurface (EGLAPIENTRY * eglCreateWindowSurface)(EGLDisplay dpy, EGLConfig config, + EGLNativeWindowType win, + const EGLint *attrib_list); + EGLSurface (EGLAPIENTRY * eglCreatePbufferSurface)(EGLDisplay dpy, EGLConfig config, + const EGLint *attrib_list); + EGLBoolean (EGLAPIENTRY * eglDestroySurface)(EGLDisplay dpy, EGLSurface surface); + EGLBoolean (EGLAPIENTRY * eglBindAPI)(EGLenum api); + EGLBoolean (EGLAPIENTRY * eglSwapInterval)(EGLDisplay dpy, EGLint interval); + EGLContext (EGLAPIENTRY * eglCreateContext)(EGLDisplay dpy, EGLConfig config, + EGLContext share_context, + const EGLint *attrib_list); + EGLBoolean (EGLAPIENTRY * eglDestroyContext)(EGLDisplay dpy, EGLContext ctx); + EGLBoolean (EGLAPIENTRY * eglMakeCurrent)(EGLDisplay dpy, EGLSurface draw, + EGLSurface read, EGLContext ctx); + EGLContext (EGLAPIENTRY * eglGetCurrentContext)(void); + EGLSurface (EGLAPIENTRY * eglGetCurrentSurface)(EGLint readdraw); + EGLDisplay (EGLAPIENTRY * eglGetCurrentDisplay)(void); + EGLBoolean (EGLAPIENTRY * eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface); + __eglMustCastToProperFunctionPointerType (EGLAPIENTRY * eglGetProcAddress)(const char *procname); + +private: + void *resolve(const char *name); + HMODULE m_lib; +}; + +struct QWindowsLibGLESv2 +{ + bool init(); + void *moduleHandle() const { return m_lib; } + + // GL1+GLES2 common + void (APIENTRY * glBindTexture)(GLenum target, GLuint texture); + void (APIENTRY * glBlendFunc)(GLenum sfactor, GLenum dfactor); + void (APIENTRY * glClear)(GLbitfield mask); + void (APIENTRY * glClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); + void (APIENTRY * glClearStencil)(GLint s); + void (APIENTRY * glColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); + void (APIENTRY * glCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); + void (APIENTRY * glCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); + void (APIENTRY * glCullFace)(GLenum mode); + void (APIENTRY * glDeleteTextures)(GLsizei n, const GLuint* textures); + void (APIENTRY * glDepthFunc)(GLenum func); + void (APIENTRY * glDepthMask)(GLboolean flag); + void (APIENTRY * glDisable)(GLenum cap); + void (APIENTRY * glDrawArrays)(GLenum mode, GLint first, GLsizei count); + void (APIENTRY * glDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices); + void (APIENTRY * glEnable)(GLenum cap); + void (APIENTRY * glFinish)(); + void (APIENTRY * glFlush)(); + void (APIENTRY * glFrontFace)(GLenum mode); + void (APIENTRY * glGenTextures)(GLsizei n, GLuint* textures); + void (APIENTRY * glGetBooleanv)(GLenum pname, GLboolean* params); + GLenum (APIENTRY * glGetError)(); + void (APIENTRY * glGetFloatv)(GLenum pname, GLfloat* params); + void (APIENTRY * glGetIntegerv)(GLenum pname, GLint* params); + const GLubyte * (APIENTRY * glGetString)(GLenum name); + void (APIENTRY * glGetTexParameterfv)(GLenum target, GLenum pname, GLfloat* params); + void (APIENTRY * glGetTexParameteriv)(GLenum target, GLenum pname, GLint* params); + void (APIENTRY * glHint)(GLenum target, GLenum mode); + GLboolean (APIENTRY * glIsEnabled)(GLenum cap); + GLboolean (APIENTRY * glIsTexture)(GLuint texture); + void (APIENTRY * glLineWidth)(GLfloat width); + void (APIENTRY * glPixelStorei)(GLenum pname, GLint param); + void (APIENTRY * glPolygonOffset)(GLfloat factor, GLfloat units); + void (APIENTRY * glReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels); + void (APIENTRY * glScissor)(GLint x, GLint y, GLsizei width, GLsizei height); + void (APIENTRY * glStencilFunc)(GLenum func, GLint ref, GLuint mask); + void (APIENTRY * glStencilMask)(GLuint mask); + void (APIENTRY * glStencilOp)(GLenum fail, GLenum zfail, GLenum zpass); + void (APIENTRY * glTexImage2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels); + void (APIENTRY * glTexParameterf)(GLenum target, GLenum pname, GLfloat param); + void (APIENTRY * glTexParameterfv)(GLenum target, GLenum pname, const GLfloat* params); + void (APIENTRY * glTexParameteri)(GLenum target, GLenum pname, GLint param); + void (APIENTRY * glTexParameteriv)(GLenum target, GLenum pname, const GLint* params); + void (APIENTRY * glTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels); + void (APIENTRY * glViewport)(GLint x, GLint y, GLsizei width, GLsizei height); + + // GLES2 + void (APIENTRY * glActiveTexture)(GLenum texture); + void (APIENTRY * glAttachShader)(GLuint program, GLuint shader); + void (APIENTRY * glBindAttribLocation)(GLuint program, GLuint index, const char* name); + void (APIENTRY * glBindBuffer)(GLenum target, GLuint buffer); + void (APIENTRY * glBindFramebuffer)(GLenum target, GLuint framebuffer); + void (APIENTRY * glBindRenderbuffer)(GLenum target, GLuint renderbuffer); + void (APIENTRY * glBlendColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); + void (APIENTRY * glBlendEquation)(GLenum mode); + void (APIENTRY * glBlendEquationSeparate)(GLenum modeRGB, GLenum modeAlpha); + void (APIENTRY * glBlendFuncSeparate)(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); + void (APIENTRY * glBufferData)(GLenum target, qopengl_GLsizeiptr size, const void* data, GLenum usage); + void (APIENTRY * glBufferSubData)(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr size, const void* data); + GLenum (APIENTRY * glCheckFramebufferStatus)(GLenum target); + void (APIENTRY * glCompileShader)(GLuint shader); + void (APIENTRY * glCompressedTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void* data); + void (APIENTRY * glCompressedTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void* data); + GLuint (APIENTRY * glCreateProgram)(); + GLuint (APIENTRY * glCreateShader)(GLenum type); + void (APIENTRY * glDeleteBuffers)(GLsizei n, const GLuint* buffers); + void (APIENTRY * glDeleteFramebuffers)(GLsizei n, const GLuint* framebuffers); + void (APIENTRY * glDeleteProgram)(GLuint program); + void (APIENTRY * glDeleteRenderbuffers)(GLsizei n, const GLuint* renderbuffers); + void (APIENTRY * glDeleteShader)(GLuint shader); + void (APIENTRY * glDetachShader)(GLuint program, GLuint shader); + void (APIENTRY * glDisableVertexAttribArray)(GLuint index); + void (APIENTRY * glEnableVertexAttribArray)(GLuint index); + void (APIENTRY * glFramebufferRenderbuffer)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); + void (APIENTRY * glFramebufferTexture2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); + void (APIENTRY * glGenBuffers)(GLsizei n, GLuint* buffers); + void (APIENTRY * glGenerateMipmap)(GLenum target); + void (APIENTRY * glGenFramebuffers)(GLsizei n, GLuint* framebuffers); + void (APIENTRY * glGenRenderbuffers)(GLsizei n, GLuint* renderbuffers); + void (APIENTRY * glGetActiveAttrib)(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, char* name); + void (APIENTRY * glGetActiveUniform)(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, char* name); + void (APIENTRY * glGetAttachedShaders)(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders); + GLint (APIENTRY * glGetAttribLocation)(GLuint program, const char* name); + void (APIENTRY * glGetBufferParameteriv)(GLenum target, GLenum pname, GLint* params); + void (APIENTRY * glGetFramebufferAttachmentParameteriv)(GLenum target, GLenum attachment, GLenum pname, GLint* params); + void (APIENTRY * glGetProgramiv)(GLuint program, GLenum pname, GLint* params); + void (APIENTRY * glGetProgramInfoLog)(GLuint program, GLsizei bufsize, GLsizei* length, char* infolog); + void (APIENTRY * glGetRenderbufferParameteriv)(GLenum target, GLenum pname, GLint* params); + void (APIENTRY * glGetShaderiv)(GLuint shader, GLenum pname, GLint* params); + void (APIENTRY * glGetShaderInfoLog)(GLuint shader, GLsizei bufsize, GLsizei* length, char* infolog); + void (APIENTRY * glGetShaderPrecisionFormat)(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision); + void (APIENTRY * glGetShaderSource)(GLuint shader, GLsizei bufsize, GLsizei* length, char* source); + void (APIENTRY * glGetUniformfv)(GLuint program, GLint location, GLfloat* params); + void (APIENTRY * glGetUniformiv)(GLuint program, GLint location, GLint* params); + GLint (APIENTRY * glGetUniformLocation)(GLuint program, const char* name); + void (APIENTRY * glGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat* params); + void (APIENTRY * glGetVertexAttribiv)(GLuint index, GLenum pname, GLint* params); + void (APIENTRY * glGetVertexAttribPointerv)(GLuint index, GLenum pname, void** pointer); + GLboolean (APIENTRY * glIsBuffer)(GLuint buffer); + GLboolean (APIENTRY * glIsFramebuffer)(GLuint framebuffer); + GLboolean (APIENTRY * glIsProgram)(GLuint program); + GLboolean (APIENTRY * glIsRenderbuffer)(GLuint renderbuffer); + GLboolean (APIENTRY * glIsShader)(GLuint shader); + void (APIENTRY * glLinkProgram)(GLuint program); + void (APIENTRY * glReleaseShaderCompiler)(); + void (APIENTRY * glRenderbufferStorage)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); + void (APIENTRY * glSampleCoverage)(GLclampf value, GLboolean invert); + void (APIENTRY * glShaderBinary)(GLint n, const GLuint* shaders, GLenum binaryformat, const void* binary, GLint length); + void (APIENTRY * glShaderSource)(GLuint shader, GLsizei count, const char** string, const GLint* length); + void (APIENTRY * glStencilFuncSeparate)(GLenum face, GLenum func, GLint ref, GLuint mask); + void (APIENTRY * glStencilMaskSeparate)(GLenum face, GLuint mask); + void (APIENTRY * glStencilOpSeparate)(GLenum face, GLenum fail, GLenum zfail, GLenum zpass); + void (APIENTRY * glUniform1f)(GLint location, GLfloat x); + void (APIENTRY * glUniform1fv)(GLint location, GLsizei count, const GLfloat* v); + void (APIENTRY * glUniform1i)(GLint location, GLint x); + void (APIENTRY * glUniform1iv)(GLint location, GLsizei count, const GLint* v); + void (APIENTRY * glUniform2f)(GLint location, GLfloat x, GLfloat y); + void (APIENTRY * glUniform2fv)(GLint location, GLsizei count, const GLfloat* v); + void (APIENTRY * glUniform2i)(GLint location, GLint x, GLint y); + void (APIENTRY * glUniform2iv)(GLint location, GLsizei count, const GLint* v); + void (APIENTRY * glUniform3f)(GLint location, GLfloat x, GLfloat y, GLfloat z); + void (APIENTRY * glUniform3fv)(GLint location, GLsizei count, const GLfloat* v); + void (APIENTRY * glUniform3i)(GLint location, GLint x, GLint y, GLint z); + void (APIENTRY * glUniform3iv)(GLint location, GLsizei count, const GLint* v); + void (APIENTRY * glUniform4f)(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w); + void (APIENTRY * glUniform4fv)(GLint location, GLsizei count, const GLfloat* v); + void (APIENTRY * glUniform4i)(GLint location, GLint x, GLint y, GLint z, GLint w); + void (APIENTRY * glUniform4iv)(GLint location, GLsizei count, const GLint* v); + void (APIENTRY * glUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); + void (APIENTRY * glUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); + void (APIENTRY * glUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); + void (APIENTRY * glUseProgram)(GLuint program); + void (APIENTRY * glValidateProgram)(GLuint program); + void (APIENTRY * glVertexAttrib1f)(GLuint indx, GLfloat x); + void (APIENTRY * glVertexAttrib1fv)(GLuint indx, const GLfloat* values); + void (APIENTRY * glVertexAttrib2f)(GLuint indx, GLfloat x, GLfloat y); + void (APIENTRY * glVertexAttrib2fv)(GLuint indx, const GLfloat* values); + void (APIENTRY * glVertexAttrib3f)(GLuint indx, GLfloat x, GLfloat y, GLfloat z); + void (APIENTRY * glVertexAttrib3fv)(GLuint indx, const GLfloat* values); + void (APIENTRY * glVertexAttrib4f)(GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w); + void (APIENTRY * glVertexAttrib4fv)(GLuint indx, const GLfloat* values); + void (APIENTRY * glVertexAttribPointer)(GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void* ptr); + + // ES only + void (APIENTRY * glClearDepthf)(GLclampf depth); + void (APIENTRY * glDepthRangef)(GLclampf nearVal, GLclampf farVal); + +private: + void *resolve(const char *name); + HMODULE m_lib; +}; + +class QWindowsEGLStaticContext : public QWindowsStaticOpenGLContext { Q_DISABLE_COPY(QWindowsEGLStaticContext) + public: static QWindowsEGLStaticContext *create(); ~QWindowsEGLStaticContext(); EGLDisplay display() const { return m_display; } + QWindowsOpenGLContext *createContext(QOpenGLContext *context); + void *moduleHandle() const { return libGLESv2.moduleHandle(); } + QOpenGLContext::OpenGLModuleType moduleType() const { return QOpenGLContext::LibGLES; } + + void *createWindowSurface(void *nativeWindow, void *nativeConfig) Q_DECL_OVERRIDE; + void destroyWindowSurface(void *nativeSurface) Q_DECL_OVERRIDE; + + QSurfaceFormat formatFromConfig(EGLDisplay display, EGLConfig config, const QSurfaceFormat &referenceFormat); + + static QWindowsLibEGL libEGL; + static QWindowsLibGLESv2 libGLESv2; + private: QWindowsEGLStaticContext(EGLDisplay display, int version); @@ -63,26 +272,38 @@ private: const int m_version; //! majorVersion<<8 + minorVersion }; -class QWindowsEGLContext : public QEGLPlatformContext +class QWindowsEGLContext : public QWindowsOpenGLContext { public: - typedef QSharedPointer<QWindowsEGLStaticContext> QWindowsEGLStaticContextPtr; - - QWindowsEGLContext(const QWindowsEGLStaticContextPtr& staticContext, + QWindowsEGLContext(QWindowsEGLStaticContext *staticContext, const QSurfaceFormat &format, QPlatformOpenGLContext *share); - ~QWindowsEGLContext(); - static bool hasThreadedOpenGLCapability(); + bool makeCurrent(QPlatformSurface *surface) Q_DECL_OVERRIDE; + void doneCurrent() Q_DECL_OVERRIDE; + void swapBuffers(QPlatformSurface *surface) Q_DECL_OVERRIDE; + QFunctionPointer getProcAddress(const QByteArray &procName) Q_DECL_OVERRIDE; - bool makeCurrent(QPlatformSurface *surface); + QSurfaceFormat format() const Q_DECL_OVERRIDE { return m_format; } + bool isSharing() const Q_DECL_OVERRIDE { return m_shareContext != EGL_NO_CONTEXT; } + bool isValid() const Q_DECL_OVERRIDE { return m_eglContext != EGL_NO_CONTEXT; } -protected: - EGLSurface eglSurfaceForPlatformSurface(QPlatformSurface *surface); + void *nativeContext() const Q_DECL_OVERRIDE { return m_eglContext; } + void *nativeDisplay() const Q_DECL_OVERRIDE { return m_eglDisplay; } + void *nativeConfig() const Q_DECL_OVERRIDE { return m_eglConfig; } private: - const QWindowsEGLStaticContextPtr m_staticContext; + EGLConfig chooseConfig(const QSurfaceFormat &format); + + QWindowsEGLStaticContext *m_staticContext; + EGLContext m_eglContext; + EGLContext m_shareContext; + EGLDisplay m_eglDisplay; + EGLConfig m_eglConfig; + QSurfaceFormat m_format; + EGLenum m_api; + int m_swapInterval; }; QT_END_NAMESPACE diff --git a/src/plugins/platforms/windows/qwindowsglcontext.cpp b/src/plugins/platforms/windows/qwindowsglcontext.cpp index eaa4eca84e..b1152de854 100644 --- a/src/plugins/platforms/windows/qwindowsglcontext.cpp +++ b/src/plugins/platforms/windows/qwindowsglcontext.cpp @@ -144,6 +144,131 @@ QT_BEGIN_NAMESPACE +QWindowsOpengl32DLL QOpenGLStaticContext::opengl32; + +void *QWindowsOpengl32DLL::resolve(const char *name) +{ +#ifndef Q_OS_WINCE + void *proc = m_lib ? (void *) ::GetProcAddress(m_lib, name) : 0; +#else + void *proc = m_lib ? (void *) ::GetProcAddress(m_lib, (const wchar_t *) QString::fromLatin1(name).utf16()) : 0; +#endif + if (!proc) + qErrnoWarning(::GetLastError(), "Failed to resolve OpenGL function %s", name); + + return proc; +} + +bool QWindowsOpengl32DLL::init(bool softwareRendering) +{ + const QByteArray opengl32 = QByteArrayLiteral("opengl32.dll"); + const QByteArray swopengl = QByteArrayLiteral("QtSoftwareOpenGL.dll"); + + QByteArray openglDll = qgetenv("QT_OPENGL_DLL"); + if (openglDll.isEmpty()) + openglDll = softwareRendering ? swopengl : opengl32; + + openglDll = openglDll.toLower(); + m_nonOpengl32 = openglDll != opengl32; + + qCDebug(lcQpaGl) << "Qt: Using WGL and OpenGL from" << openglDll; + + m_lib = ::LoadLibraryA(openglDll.constData()); + if (!m_lib) { + qErrnoWarning(::GetLastError(), "Failed to load %s", openglDll.constData()); + return false; + } + + if (moduleIsNotOpengl32()) { + // Load opengl32.dll always. GDI functions like ChoosePixelFormat do + // GetModuleHandle for opengl32.dll and behave differently (and call back into + // opengl32) when the module is present. This is fine for dummy contexts and windows. + ::LoadLibraryA("opengl32.dll"); + } + + wglCreateContext = reinterpret_cast<HGLRC (WINAPI *)(HDC)>(resolve("wglCreateContext")); + wglDeleteContext = reinterpret_cast<BOOL (WINAPI *)(HGLRC)>(resolve("wglDeleteContext")); + wglGetCurrentContext = reinterpret_cast<HGLRC (WINAPI *)()>(resolve("wglGetCurrentContext")); + wglGetCurrentDC = reinterpret_cast<HDC (WINAPI *)()>(resolve("wglGetCurrentDC")); + wglGetProcAddress = reinterpret_cast<PROC (WINAPI *)(LPCSTR)>(resolve("wglGetProcAddress")); + wglMakeCurrent = reinterpret_cast<BOOL (WINAPI *)(HDC, HGLRC)>(resolve("wglMakeCurrent")); + wglShareLists = reinterpret_cast<BOOL (WINAPI *)(HGLRC, HGLRC)>(resolve("wglShareLists")); + wglSwapBuffers = reinterpret_cast<BOOL (WINAPI *)(HDC)>(resolve("wglSwapBuffers")); + wglSetPixelFormat = reinterpret_cast<BOOL (WINAPI *)(HDC, int, const PIXELFORMATDESCRIPTOR *)>(resolve("wglSetPixelFormat")); + + glBindTexture = reinterpret_cast<void (APIENTRY *)(GLenum , GLuint )>(resolve("glBindTexture")); + glBlendFunc = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum )>(resolve("glBlendFunc")); + glClear = reinterpret_cast<void (APIENTRY *)(GLbitfield )>(resolve("glClear")); + glClearColor = reinterpret_cast<void (APIENTRY *)(GLfloat , GLfloat , GLfloat , GLfloat )>(resolve("glClearColor")); + glClearStencil = reinterpret_cast<void (APIENTRY *)(GLint )>(resolve("glClearStencil")); + glColorMask = reinterpret_cast<void (APIENTRY *)(GLboolean , GLboolean , GLboolean , GLboolean )>(resolve("glColorMask")); + glCopyTexImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLenum , GLint , GLint , GLsizei , GLsizei , GLint )>(resolve("glCopyTexImage2D")); + glCopyTexSubImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLint , GLint , GLint , GLint , GLsizei , GLsizei )>(resolve("glCopyTexSubImage2D")); + glCullFace = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glCullFace")); + glDeleteTextures = reinterpret_cast<void (APIENTRY *)(GLsizei , const GLuint *)>(resolve("glDeleteTextures")); + glDepthFunc = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glDepthFunc")); + glDepthMask = reinterpret_cast<void (APIENTRY *)(GLboolean )>(resolve("glDepthMask")); + glDisable = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glDisable")); + glDrawArrays = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLsizei )>(resolve("glDrawArrays")); + glDrawElements = reinterpret_cast<void (APIENTRY *)(GLenum , GLsizei , GLenum , const GLvoid *)>(resolve("glDrawElements")); + glEnable = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glEnable")); + glFinish = reinterpret_cast<void (APIENTRY *)()>(resolve("glFinish")); + glFlush = reinterpret_cast<void (APIENTRY *)()>(resolve("glFlush")); + glFrontFace = reinterpret_cast<void (APIENTRY *)(GLenum )>(resolve("glFrontFace")); + glGenTextures = reinterpret_cast<void (APIENTRY *)(GLsizei , GLuint *)>(resolve("glGenTextures")); + glGetBooleanv = reinterpret_cast<void (APIENTRY *)(GLenum , GLboolean *)>(resolve("glGetBooleanv")); + glGetError = reinterpret_cast<GLenum (APIENTRY *)()>(resolve("glGetError")); + glGetFloatv = reinterpret_cast<void (APIENTRY *)(GLenum , GLfloat *)>(resolve("glGetFloatv")); + glGetIntegerv = reinterpret_cast<void (APIENTRY *)(GLenum , GLint *)>(resolve("glGetIntegerv")); + glGetString = reinterpret_cast<const GLubyte * (APIENTRY *)(GLenum )>(resolve("glGetString")); + glGetTexParameterfv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLfloat *)>(resolve("glGetTexParameterfv")); + glGetTexParameteriv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLint *)>(resolve("glGetTexParameteriv")); + glHint = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum )>(resolve("glHint")); + glIsEnabled = reinterpret_cast<GLboolean (APIENTRY *)(GLenum )>(resolve("glIsEnabled")); + glIsTexture = reinterpret_cast<GLboolean (APIENTRY *)(GLuint )>(resolve("glIsTexture")); + glLineWidth = reinterpret_cast<void (APIENTRY *)(GLfloat )>(resolve("glLineWidth")); + glPixelStorei = reinterpret_cast<void (APIENTRY *)(GLenum , GLint )>(resolve("glPixelStorei")); + glPolygonOffset = reinterpret_cast<void (APIENTRY *)(GLfloat , GLfloat )>(resolve("glPolygonOffset")); + glReadPixels = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , GLvoid *)>(resolve("glReadPixels")); + glScissor = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLsizei , GLsizei )>(resolve("glScissor")); + glStencilFunc = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLuint )>(resolve("glStencilFunc")); + glStencilMask = reinterpret_cast<void (APIENTRY *)(GLuint )>(resolve("glStencilMask")); + glStencilOp = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLenum )>(resolve("glStencilOp")); + glTexImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLint , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(resolve("glTexImage2D")); + glTexParameterf = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLfloat )>(resolve("glTexParameterf")); + glTexParameterfv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , const GLfloat *)>(resolve("glTexParameterfv")); + glTexParameteri = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , GLint )>(resolve("glTexParameteri")); + glTexParameteriv = reinterpret_cast<void (APIENTRY *)(GLenum , GLenum , const GLint *)>(resolve("glTexParameteriv")); + glTexSubImage2D = reinterpret_cast<void (APIENTRY *)(GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *)>(resolve("glTexSubImage2D")); + glViewport = reinterpret_cast<void (APIENTRY *)(GLint , GLint , GLsizei , GLsizei )>(resolve("glViewport")); + + glClearDepth = reinterpret_cast<void (APIENTRY *)(GLdouble )>(resolve("glClearDepth")); + glDepthRange = reinterpret_cast<void (APIENTRY *)(GLdouble , GLdouble )>(resolve("glDepthRange")); + + return wglCreateContext && glBindTexture && glClearDepth; +} + +BOOL QWindowsOpengl32DLL::swapBuffers(HDC dc) +{ + if (moduleIsNotOpengl32()) + return wglSwapBuffers(dc); + else + return SwapBuffers(dc); +} + +BOOL QWindowsOpengl32DLL::setPixelFormat(HDC dc, int pf, const PIXELFORMATDESCRIPTOR *pfd) +{ + if (moduleIsNotOpengl32()) + return wglSetPixelFormat(dc, pf, pfd); + else + return SetPixelFormat(dc, pf, pfd); +} + +QWindowsOpenGLContext *QOpenGLStaticContext::createContext(QOpenGLContext *context) +{ + return new QWindowsGLContext(this, context); +} + template <class MaskType, class FlagType> inline bool testFlag(MaskType mask, FlagType flag) { return (mask & MaskType(flag)) != 0; @@ -210,10 +335,11 @@ static inline bool bool ignoreGLSupport = false) // ARB format may not contain it. { const bool pixmapRequested = testFlag(additional.formatFlags, QWindowsGLRenderToPixmap); - return (ignoreGLSupport || testFlag(pfd.dwFlags, PFD_SUPPORT_OPENGL)) - && testFlag(pfd.dwFlags, PFD_DRAW_TO_BITMAP) == pixmapRequested - && hasGLOverlay(pfd) == testFlag(additional.formatFlags, QWindowsGLOverlay) - && (!pixmapRequested || pfd.cColorBits == additional.pixmapDepth); + const bool pixmapOk = !pixmapRequested || testFlag(pfd.dwFlags, PFD_DRAW_TO_BITMAP); + const bool colorOk = !pixmapRequested || pfd.cColorBits == additional.pixmapDepth; + const bool glOk = ignoreGLSupport || testFlag(pfd.dwFlags, PFD_SUPPORT_OPENGL); + const bool overlayOk = hasGLOverlay(pfd) == testFlag(additional.formatFlags, QWindowsGLOverlay); + return pixmapOk && glOk && overlayOk && colorOk; } static void describeFormats(HDC hdc) @@ -299,10 +425,23 @@ static PIXELFORMATDESCRIPTOR // over the available formats to find the best one. // Note: As of Windows 7, it seems direct-rendering is handled, so, // the code might be obsolete? +// +// NB! When using an implementation with a name different than opengl32.dll +// this code path should not be used since it will result in a mess due to GDI +// relying on and possibly calling back into functions in opengl32.dll (and not +// the one we are using). This is not a problem usually since for Mesa, which +// we are most likely to ship with a name other than opengl32.dll, the ARB code +// path should work. Hence the early bail out below. +// static int choosePixelFormat(HDC hdc, const QSurfaceFormat &format, const QWindowsOpenGLAdditionalFormat &additional, PIXELFORMATDESCRIPTOR *obtainedPfd) { + if (QOpenGLStaticContext::opengl32.moduleIsNotOpengl32()) { + qWarning("%s: Attempted to use GDI functions with a non-opengl32.dll library", Q_FUNC_INFO); + return 0; + } + // 1) Try ChoosePixelFormat(). PIXELFORMATDESCRIPTOR requestedPfd = qPixelFormatFromSurfaceFormat(format, QWindowsGLDirectRendering); initPixelFormatDescriptor(obtainedPfd); @@ -352,12 +491,12 @@ static int choosePixelFormat(HDC hdc, const QSurfaceFormat &format, static inline HGLRC createContext(HDC hdc, HGLRC shared) { - HGLRC result = wglCreateContext(hdc); + HGLRC result = QOpenGLStaticContext::opengl32.wglCreateContext(hdc); if (!result) { qErrnoWarning("%s: wglCreateContext failed.", __FUNCTION__); return 0; } - if (shared && !wglShareLists(shared, result)) + if (shared && !QOpenGLStaticContext::opengl32.wglShareLists(shared, result)) qErrnoWarning("%s: wglShareLists() failed.", __FUNCTION__); return result; } @@ -623,7 +762,7 @@ static HGLRC createContext(const QOpenGLStaticContext &staticContext, if (!result) { QString message; QDebug(&message).nospace() << __FUNCTION__ << ": wglCreateContextAttribsARB() failed (GL error code: 0x" - << hex << glGetError() << dec << ") for format: " << format << ", shared context: " << shared; + << hex << staticContext.opengl32.glGetError() << dec << ") for format: " << format << ", shared context: " << shared; qErrnoWarning("%s", qPrintable(message)); } return result; @@ -648,16 +787,17 @@ static inline HGLRC createDummyGLContext(HDC dc) initPixelFormatDescriptor(&pixelFormDescriptor); pixelFormDescriptor.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW | PFD_GENERIC_FORMAT; pixelFormDescriptor.iPixelType = PFD_TYPE_RGBA; + // Use the GDI variant, for the dummy this is fine, even when using something other than opengl32.dll. const int pixelFormat = ChoosePixelFormat(dc, &pixelFormDescriptor); if (!pixelFormat) { qErrnoWarning("%s: ChoosePixelFormat failed.", __FUNCTION__); return 0; } - if (!SetPixelFormat(dc, pixelFormat, &pixelFormDescriptor)) { + if (!QOpenGLStaticContext::opengl32.setPixelFormat(dc, pixelFormat, &pixelFormDescriptor)) { qErrnoWarning("%s: SetPixelFormat failed.", __FUNCTION__); return 0; } - HGLRC rc = wglCreateContext(dc); + HGLRC rc = QOpenGLStaticContext::opengl32.wglCreateContext(dc); if (!rc) { qErrnoWarning("%s: wglCreateContext failed.", __FUNCTION__); return 0; @@ -668,8 +808,8 @@ static inline HGLRC createDummyGLContext(HDC dc) static inline QOpenGLContextData currentOpenGLContextData() { QOpenGLContextData result; - result.hdc = wglGetCurrentDC(); - result.renderingContext = wglGetCurrentContext(); + result.hdc = QOpenGLStaticContext::opengl32.wglGetCurrentDC(); + result.renderingContext = QOpenGLStaticContext::opengl32.wglGetCurrentContext(); return result; } @@ -721,7 +861,7 @@ QWindowsOpenGLContextFormat QWindowsOpenGLContextFormat::current() } // v3 onwards GLint value = 0; - glGetIntegerv(GL_CONTEXT_FLAGS, &value); + QOpenGLStaticContext::opengl32.glGetIntegerv(GL_CONTEXT_FLAGS, &value); if (!(value & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)) result.options |= QSurfaceFormat::DeprecatedFunctions; if (value & GL_CONTEXT_FLAG_DEBUG_BIT) @@ -730,7 +870,7 @@ QWindowsOpenGLContextFormat QWindowsOpenGLContextFormat::current() return result; // v3.2 onwards: Profiles value = 0; - glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &value); + QOpenGLStaticContext::opengl32.glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &value); if (value & GL_CONTEXT_CORE_PROFILE_BIT) result.profile = QSurfaceFormat::CoreProfile; else if (value & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT) @@ -784,15 +924,15 @@ QOpenGLTemporaryContext::QOpenGLTemporaryContext() : m_previous(currentOpenGLContextData()), m_current(createDummyWindowOpenGLContextData()) { - wglMakeCurrent(m_current.hdc, m_current.renderingContext); + QOpenGLStaticContext::opengl32.wglMakeCurrent(m_current.hdc, m_current.renderingContext); } QOpenGLTemporaryContext::~QOpenGLTemporaryContext() { - wglMakeCurrent(m_previous.hdc, m_previous.renderingContext); + QOpenGLStaticContext::opengl32.wglMakeCurrent(m_previous.hdc, m_previous.renderingContext); ReleaseDC(m_current.hwnd, m_current.hdc); DestroyWindow(m_current.hwnd); - wglDeleteContext(m_current.renderingContext); + QOpenGLStaticContext::opengl32.wglDeleteContext(m_current.renderingContext); } /*! @@ -807,6 +947,11 @@ QOpenGLTemporaryContext::~QOpenGLTemporaryContext() Functions pending integration in the next version of OpenGL are post-fixed ARB. + No WGL or OpenGL functions are called directly from the windows plugin. Instead, the + static context loads opengl32.dll and resolves the necessary functions. This allows + building the plugin without linking to opengl32 and enables QT_OPENGL_DYNAMIC builds + where both the EGL and WGL (this) based implementation of the context are built. + \note Initialization requires an active context (see create()). \sa QWindowsGLContext @@ -822,11 +967,11 @@ QOpenGLStaticContext::QOpenGLStaticContext() : extensionNames(QOpenGLStaticContext::getGlString(GL_EXTENSIONS)), extensions(0), defaultFormat(QWindowsOpenGLContextFormat::current()), - wglGetPixelFormatAttribIVARB((WglGetPixelFormatAttribIVARB)wglGetProcAddress("wglGetPixelFormatAttribivARB")), - wglChoosePixelFormatARB((WglChoosePixelFormatARB)wglGetProcAddress("wglChoosePixelFormatARB")), - wglCreateContextAttribsARB((WglCreateContextAttribsARB)wglGetProcAddress("wglCreateContextAttribsARB")), - wglSwapInternalExt((WglSwapInternalExt)wglGetProcAddress("wglSwapIntervalEXT")), - wglGetSwapInternalExt((WglGetSwapInternalExt)wglGetProcAddress("wglGetSwapIntervalEXT")) + wglGetPixelFormatAttribIVARB((WglGetPixelFormatAttribIVARB)QOpenGLStaticContext::opengl32.wglGetProcAddress("wglGetPixelFormatAttribivARB")), + wglChoosePixelFormatARB((WglChoosePixelFormatARB)QOpenGLStaticContext::opengl32.wglGetProcAddress("wglChoosePixelFormatARB")), + wglCreateContextAttribsARB((WglCreateContextAttribsARB)QOpenGLStaticContext::opengl32.wglGetProcAddress("wglCreateContextAttribsARB")), + wglSwapInternalExt((WglSwapInternalExt)QOpenGLStaticContext::opengl32.wglGetProcAddress("wglSwapIntervalEXT")), + wglGetSwapInternalExt((WglGetSwapInternalExt)QOpenGLStaticContext::opengl32.wglGetProcAddress("wglGetSwapIntervalEXT")) { if (extensionNames.startsWith(SAMPLE_BUFFER_EXTENSION " ") || extensionNames.indexOf(" " SAMPLE_BUFFER_EXTENSION " ") != -1) @@ -835,16 +980,21 @@ QOpenGLStaticContext::QOpenGLStaticContext() : QByteArray QOpenGLStaticContext::getGlString(unsigned int which) { - if (const GLubyte *s = glGetString(which)) + if (const GLubyte *s = opengl32.glGetString(which)) return QByteArray((const char*)s); return QByteArray(); } -QOpenGLStaticContext *QOpenGLStaticContext::create() +QOpenGLStaticContext *QOpenGLStaticContext::create(bool softwareRendering) { + if (!opengl32.init(softwareRendering)) { + qWarning("%s: Failed to load and resolve WGL/OpenGL functions", Q_FUNC_INFO); + return 0; + } + // We need a current context for wglGetProcAdress()/getGLString() to work. QScopedPointer<QOpenGLTemporaryContext> temporaryContext; - if (!wglGetCurrentContext()) + if (!QOpenGLStaticContext::opengl32.wglGetCurrentContext()) temporaryContext.reset(new QOpenGLTemporaryContext); QOpenGLStaticContext *result = new QOpenGLStaticContext; qCDebug(lcQpaGl) << __FUNCTION__ << *result; @@ -881,7 +1031,7 @@ QDebug operator<<(QDebug d, const QOpenGLStaticContext &s) \ingroup qt-lighthouse-win */ -QWindowsGLContext::QWindowsGLContext(const QOpenGLStaticContextPtr &staticContext, +QWindowsGLContext::QWindowsGLContext(QOpenGLStaticContext *staticContext, QOpenGLContext *context) : m_staticContext(staticContext), m_context(context), @@ -890,6 +1040,9 @@ QWindowsGLContext::QWindowsGLContext(const QOpenGLStaticContextPtr &staticContex m_extensionsUsed(false), m_swapInterval(-1) { + if (!m_staticContext) // Something went very wrong. Stop here, isValid() will return false. + return; + QSurfaceFormat format = context->format(); if (format.renderableType() == QSurfaceFormat::DefaultRenderableType) format.setRenderableType(QSurfaceFormat::OpenGL); @@ -901,7 +1054,7 @@ QWindowsGLContext::QWindowsGLContext(const QOpenGLStaticContextPtr &staticContex static bool opengl32dll = false; if (!opengl32dll) { GLint params; - glGetIntegerv(GL_DEPTH_BITS, ¶ms); + staticContext->opengl32.glGetIntegerv(GL_DEPTH_BITS, ¶ms); opengl32dll = true; } @@ -954,7 +1107,7 @@ QWindowsGLContext::QWindowsGLContext(const QOpenGLStaticContextPtr &staticContex qWarning("%s: Unable find a suitable pixel format.", __FUNCTION__); break; } - if (!SetPixelFormat(hdc, m_pixelFormat, &m_obtainedPixelFormatDescriptor)) { + if (!QOpenGLStaticContext::opengl32.setPixelFormat(hdc, m_pixelFormat, &m_obtainedPixelFormatDescriptor)) { qErrnoWarning("SetPixelFormat failed."); break; } @@ -978,7 +1131,7 @@ QWindowsGLContext::QWindowsGLContext(const QOpenGLStaticContextPtr &staticContex } // Query obtained parameters and apply swap interval. - if (!wglMakeCurrent(hdc, m_renderingContext)) { + if (!QOpenGLStaticContext::opengl32.wglMakeCurrent(hdc, m_renderingContext)) { qWarning("Failed to make context current."); break; } @@ -988,7 +1141,7 @@ QWindowsGLContext::QWindowsGLContext(const QOpenGLStaticContextPtr &staticContex if (m_staticContext->wglGetSwapInternalExt) obtainedSwapInternal = m_staticContext->wglGetSwapInternalExt(); - wglMakeCurrent(0, 0); + QOpenGLStaticContext::opengl32.wglMakeCurrent(0, 0); } while (false); if (hdc) ReleaseDC(dummyWindow, hdc); @@ -1006,7 +1159,7 @@ QWindowsGLContext::QWindowsGLContext(const QOpenGLStaticContextPtr &staticContex QWindowsGLContext::~QWindowsGLContext() { if (m_renderingContext) - wglDeleteContext(m_renderingContext); + QOpenGLStaticContext::opengl32.wglDeleteContext(m_renderingContext); releaseDCs(); } @@ -1043,11 +1196,11 @@ void QWindowsGLContext::swapBuffers(QPlatformSurface *surface) { if (QWindowsContext::verbose > 1) qCDebug(lcQpaGl) << __FUNCTION__ << surface; - if (const QOpenGLContextData *contextData = findByHWND(m_windowContexts, handleOf(surface))) { - SwapBuffers(contextData->hdc); - } else { + + if (const QOpenGLContextData *contextData = findByHWND(m_windowContexts, handleOf(surface))) + QOpenGLStaticContext::opengl32.swapBuffers(contextData->hdc); + else qWarning("%s: Cannot find window %p", __FUNCTION__, handleOf(surface)); - } } bool QWindowsGLContext::makeCurrent(QPlatformSurface *surface) @@ -1066,11 +1219,11 @@ bool QWindowsGLContext::makeCurrent(QPlatformSurface *surface) // Repeated calls to wglMakeCurrent when vsync is enabled in the driver will // often result in 100% cpuload. This check is cheap and avoids the problem. // This is reproducable on NVidia cards and Intel onboard chips. - if (wglGetCurrentContext() == contextData->renderingContext - && wglGetCurrentDC() == contextData->hdc) { + if (QOpenGLStaticContext::opengl32.wglGetCurrentContext() == contextData->renderingContext + && QOpenGLStaticContext::opengl32.wglGetCurrentDC() == contextData->hdc) { return true; } - return wglMakeCurrent(contextData->hdc, contextData->renderingContext); + return QOpenGLStaticContext::opengl32.wglMakeCurrent(contextData->hdc, contextData->renderingContext); } // Create a new entry. const QOpenGLContextData newContext(m_renderingContext, hwnd, GetDC(hwnd)); @@ -1079,7 +1232,7 @@ bool QWindowsGLContext::makeCurrent(QPlatformSurface *surface) // Initialize pixel format first time. This will apply to // the HWND as well and must be done only once. if (!window->testFlag(QWindowsWindow::OpenGlPixelFormatInitialized)) { - if (!SetPixelFormat(newContext.hdc, m_pixelFormat, &m_obtainedPixelFormatDescriptor)) { + if (!QOpenGLStaticContext::opengl32.setPixelFormat(newContext.hdc, m_pixelFormat, &m_obtainedPixelFormatDescriptor)) { qErrnoWarning("%s: SetPixelFormat() failed", __FUNCTION__); ReleaseDC(newContext.hwnd, newContext.hdc); return false; @@ -1090,7 +1243,7 @@ bool QWindowsGLContext::makeCurrent(QPlatformSurface *surface) } m_windowContexts.append(newContext); - bool success = wglMakeCurrent(newContext.hdc, newContext.renderingContext); + bool success = QOpenGLStaticContext::opengl32.wglMakeCurrent(newContext.hdc, newContext.renderingContext); // Set the swap interval if (m_staticContext->wglSwapInternalExt) { @@ -1110,16 +1263,82 @@ void QWindowsGLContext::doneCurrent() if (QWindowsContext::verbose > 1) qCDebug(lcQpaGl) << __FUNCTION__ << this << m_windowContexts.size() << "contexts"; #endif // DEBUG_GL - wglMakeCurrent(0, 0); + QOpenGLStaticContext::opengl32.wglMakeCurrent(0, 0); releaseDCs(); } -QWindowsGLContext::GL_Proc QWindowsGLContext::getProcAddress(const QByteArray &procName) +QFunctionPointer QWindowsGLContext::getProcAddress(const QByteArray &procName) { - // TODO: Will that work with the calling conventions? - GL_Proc procAddress = reinterpret_cast<GL_Proc>(wglGetProcAddress(procName.constData())); + // We support AllGLFunctionsQueryable, which means this function must be able to + // return a function pointer even for functions that are in GL.h and exported + // normally from opengl32.dll. wglGetProcAddress() is not guaranteed to work for such + // functions, however in QT_OPENGL_DYNAMIC builds QOpenGLFunctions will just blindly + // call into here for _any_ OpenGL function. Hence the need to handle these specially + // here. The list has to match QOpenGLFunctions. See + // QOpenGLFunctionsPrivate::QOpenGLFunctionsPrivate(QOpenGLContext *). + static struct StdFunc { + const char *name; + void *func; + } standardFuncs[] = { + { "glBindTexture", (void *) QOpenGLStaticContext::opengl32.glBindTexture }, + { "glBlendFunc", (void *) QOpenGLStaticContext::opengl32.glBlendFunc }, + { "glClear", (void *) QOpenGLStaticContext::opengl32.glClear }, + { "glClearColor", (void *) QOpenGLStaticContext::opengl32.glClearColor }, + { "glClearStencil", (void *) QOpenGLStaticContext::opengl32.glClearStencil }, + { "glColorMask", (void *) QOpenGLStaticContext::opengl32.glColorMask }, + { "glCopyTexImage2D", (void *) QOpenGLStaticContext::opengl32.glCopyTexImage2D }, + { "glCopyTexSubImage2D", (void *) QOpenGLStaticContext::opengl32.glCopyTexSubImage2D }, + { "glCullFace", (void *) QOpenGLStaticContext::opengl32.glCullFace }, + { "glDeleteTextures", (void *) QOpenGLStaticContext::opengl32.glDeleteTextures }, + { "glDepthFunc", (void *) QOpenGLStaticContext::opengl32.glDepthFunc }, + { "glDepthMask", (void *) QOpenGLStaticContext::opengl32.glDepthMask }, + { "glDisable", (void *) QOpenGLStaticContext::opengl32.glDisable }, + { "glDrawArrays", (void *) QOpenGLStaticContext::opengl32.glDrawArrays }, + { "glDrawElements", (void *) QOpenGLStaticContext::opengl32.glDrawElements }, + { "glEnable", (void *) QOpenGLStaticContext::opengl32.glEnable }, + { "glFinish", (void *) QOpenGLStaticContext::opengl32.glFinish }, + { "glFlush", (void *) QOpenGLStaticContext::opengl32.glFlush }, + { "glFrontFace", (void *) QOpenGLStaticContext::opengl32.glFrontFace }, + { "glGenTextures", (void *) QOpenGLStaticContext::opengl32.glGenTextures }, + { "glGetBooleanv", (void *) QOpenGLStaticContext::opengl32.glGetBooleanv }, + { "glGetError", (void *) QOpenGLStaticContext::opengl32.glGetError }, + { "glGetFloatv", (void *) QOpenGLStaticContext::opengl32.glGetFloatv }, + { "glGetIntegerv", (void *) QOpenGLStaticContext::opengl32.glGetIntegerv }, + { "glGetString", (void *) QOpenGLStaticContext::opengl32.glGetString }, + { "glGetTexParameterfv", (void *) QOpenGLStaticContext::opengl32.glGetTexParameterfv }, + { "glGetTexParameteriv", (void *) QOpenGLStaticContext::opengl32.glGetTexParameteriv }, + { "glHint", (void *) QOpenGLStaticContext::opengl32.glHint }, + { "glIsEnabled", (void *) QOpenGLStaticContext::opengl32.glIsEnabled }, + { "glIsTexture", (void *) QOpenGLStaticContext::opengl32.glIsTexture }, + { "glLineWidth", (void *) QOpenGLStaticContext::opengl32.glLineWidth }, + { "glPixelStorei", (void *) QOpenGLStaticContext::opengl32.glPixelStorei }, + { "glPolygonOffset", (void *) QOpenGLStaticContext::opengl32.glPolygonOffset }, + { "glReadPixels", (void *) QOpenGLStaticContext::opengl32.glReadPixels }, + { "glScissor", (void *) QOpenGLStaticContext::opengl32.glScissor }, + { "glStencilFunc", (void *) QOpenGLStaticContext::opengl32.glStencilFunc }, + { "glStencilMask", (void *) QOpenGLStaticContext::opengl32.glStencilMask }, + { "glStencilOp", (void *) QOpenGLStaticContext::opengl32.glStencilOp }, + { "glTexImage2D", (void *) QOpenGLStaticContext::opengl32.glTexImage2D }, + { "glTexParameterf", (void *) QOpenGLStaticContext::opengl32.glTexParameterf }, + { "glTexParameterfv", (void *) QOpenGLStaticContext::opengl32.glTexParameterfv }, + { "glTexParameteri", (void *) QOpenGLStaticContext::opengl32.glTexParameteri }, + { "glTexParameteriv", (void *) QOpenGLStaticContext::opengl32.glTexParameteriv }, + { "glTexSubImage2D", (void *) QOpenGLStaticContext::opengl32.glTexSubImage2D }, + { "glViewport", (void *) QOpenGLStaticContext::opengl32.glViewport }, + + { "glClearDepth", (void *) QOpenGLStaticContext::opengl32.glClearDepth }, + { "glDepthRange", (void *) QOpenGLStaticContext::opengl32.glDepthRange }, + }; + for (size_t i = 0; i < sizeof(standardFuncs) / sizeof(StdFunc); ++i) + if (procName == standardFuncs[i].name) + return reinterpret_cast<QFunctionPointer>(standardFuncs[i].func); + + // Even though we use QFunctionPointer, it does not mean the function can be called. + // It will need to be cast to the proper function type with the correct calling + // convention. QFunctionPointer is nothing more than a glorified void* here. + QFunctionPointer procAddress = reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress(procName.constData())); if (QWindowsContext::verbose > 1) - qCDebug(lcQpaGl) << __FUNCTION__ << procName << wglGetCurrentContext() << "returns" << procAddress; + qCDebug(lcQpaGl) << __FUNCTION__ << procName << QOpenGLStaticContext::opengl32.wglGetCurrentContext() << "returns" << procAddress; if (!procAddress) qWarning("%s: Unable to resolve '%s'", __FUNCTION__, procName.constData()); return procAddress; diff --git a/src/plugins/platforms/windows/qwindowsglcontext.h b/src/plugins/platforms/windows/qwindowsglcontext.h index c6b477128a..dcc31c6197 100644 --- a/src/plugins/platforms/windows/qwindowsglcontext.h +++ b/src/plugins/platforms/windows/qwindowsglcontext.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. @@ -44,10 +44,9 @@ #include "array.h" #include "qtwindows_additional.h" +#include "qwindowsopenglcontext.h" -#include <qpa/qplatformopenglcontext.h> #include <QtGui/QOpenGLContext> -#include <QtCore/QSharedPointer> QT_BEGIN_NAMESPACE @@ -81,6 +80,8 @@ struct QOpenGLContextData HDC hdc; }; +class QOpenGLStaticContext; + struct QWindowsOpenGLContextFormat { QWindowsOpenGLContextFormat(); @@ -94,7 +95,87 @@ struct QWindowsOpenGLContextFormat QDebug operator<<(QDebug d, const QWindowsOpenGLContextFormat &); -class QOpenGLStaticContext +struct QWindowsOpengl32DLL +{ + bool init(bool softwareRendering); + void *moduleHandle() const { return m_lib; } + bool moduleIsNotOpengl32() const { return m_nonOpengl32; } + + // Wrappers. Always use these instead of SwapBuffers/wglSwapBuffers/etc. + BOOL swapBuffers(HDC dc); + BOOL setPixelFormat(HDC dc, int pf, const PIXELFORMATDESCRIPTOR *pfd); + + // WGL + HGLRC (WINAPI * wglCreateContext)(HDC dc); + BOOL (WINAPI * wglDeleteContext)(HGLRC context); + HGLRC (WINAPI * wglGetCurrentContext)(); + HDC (WINAPI * wglGetCurrentDC)(); + PROC (WINAPI * wglGetProcAddress)(LPCSTR name); + BOOL (WINAPI * wglMakeCurrent)(HDC dc, HGLRC context); + BOOL (WINAPI * wglShareLists)(HGLRC context1, HGLRC context2); + + // GL1+GLES2 common + void (APIENTRY * glBindTexture)(GLenum target, GLuint texture); + void (APIENTRY * glBlendFunc)(GLenum sfactor, GLenum dfactor); + void (APIENTRY * glClear)(GLbitfield mask); + void (APIENTRY * glClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); + void (APIENTRY * glClearStencil)(GLint s); + void (APIENTRY * glColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); + void (APIENTRY * glCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); + void (APIENTRY * glCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); + void (APIENTRY * glCullFace)(GLenum mode); + void (APIENTRY * glDeleteTextures)(GLsizei n, const GLuint* textures); + void (APIENTRY * glDepthFunc)(GLenum func); + void (APIENTRY * glDepthMask)(GLboolean flag); + void (APIENTRY * glDisable)(GLenum cap); + void (APIENTRY * glDrawArrays)(GLenum mode, GLint first, GLsizei count); + void (APIENTRY * glDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices); + void (APIENTRY * glEnable)(GLenum cap); + void (APIENTRY * glFinish)(); + void (APIENTRY * glFlush)(); + void (APIENTRY * glFrontFace)(GLenum mode); + void (APIENTRY * glGenTextures)(GLsizei n, GLuint* textures); + void (APIENTRY * glGetBooleanv)(GLenum pname, GLboolean* params); + GLenum (APIENTRY * glGetError)(); + void (APIENTRY * glGetFloatv)(GLenum pname, GLfloat* params); + void (APIENTRY * glGetIntegerv)(GLenum pname, GLint* params); + const GLubyte * (APIENTRY * glGetString)(GLenum name); + void (APIENTRY * glGetTexParameterfv)(GLenum target, GLenum pname, GLfloat* params); + void (APIENTRY * glGetTexParameteriv)(GLenum target, GLenum pname, GLint* params); + void (APIENTRY * glHint)(GLenum target, GLenum mode); + GLboolean (APIENTRY * glIsEnabled)(GLenum cap); + GLboolean (APIENTRY * glIsTexture)(GLuint texture); + void (APIENTRY * glLineWidth)(GLfloat width); + void (APIENTRY * glPixelStorei)(GLenum pname, GLint param); + void (APIENTRY * glPolygonOffset)(GLfloat factor, GLfloat units); + void (APIENTRY * glReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels); + void (APIENTRY * glScissor)(GLint x, GLint y, GLsizei width, GLsizei height); + void (APIENTRY * glStencilFunc)(GLenum func, GLint ref, GLuint mask); + void (APIENTRY * glStencilMask)(GLuint mask); + void (APIENTRY * glStencilOp)(GLenum fail, GLenum zfail, GLenum zpass); + void (APIENTRY * glTexImage2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels); + void (APIENTRY * glTexParameterf)(GLenum target, GLenum pname, GLfloat param); + void (APIENTRY * glTexParameterfv)(GLenum target, GLenum pname, const GLfloat* params); + void (APIENTRY * glTexParameteri)(GLenum target, GLenum pname, GLint param); + void (APIENTRY * glTexParameteriv)(GLenum target, GLenum pname, const GLint* params); + void (APIENTRY * glTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels); + void (APIENTRY * glViewport)(GLint x, GLint y, GLsizei width, GLsizei height); + + // GL only + void (APIENTRY * glClearDepth)(GLdouble depth); + void (APIENTRY * glDepthRange)(GLdouble zNear, GLdouble zFar); + +private: + void *resolve(const char *name); + HMODULE m_lib; + bool m_nonOpengl32; + + // For Mesa llvmpipe shipped with a name other than opengl32.dll + BOOL (WINAPI * wglSwapBuffers)(HDC dc); + BOOL (WINAPI * wglSetPixelFormat)(HDC dc, int pf, const PIXELFORMATDESCRIPTOR *pfd); +}; + +class QOpenGLStaticContext : public QWindowsStaticOpenGLContext { Q_DISABLE_COPY(QOpenGLStaticContext) QOpenGLStaticContext(); @@ -125,9 +206,17 @@ public: bool hasExtensions() const { return wglGetPixelFormatAttribIVARB && wglChoosePixelFormatARB && wglCreateContextAttribsARB; } - static QOpenGLStaticContext *create(); + static QOpenGLStaticContext *create(bool softwareRendering = false); static QByteArray getGlString(unsigned int which); + QWindowsOpenGLContext *createContext(QOpenGLContext *context); + void *moduleHandle() const { return opengl32.moduleHandle(); } + QOpenGLContext::OpenGLModuleType moduleType() const { return QOpenGLContext::LibGL; } + + // For a regular opengl32.dll report the ThreadedOpenGL capability. + // For others, which are likely to be software-only, don't. + bool supportsThreadedOpenGL() const { return !opengl32.moduleIsNotOpengl32(); } + const QByteArray vendor; const QByteArray renderer; const QByteArray extensionNames; @@ -139,37 +228,38 @@ public: WglCreateContextAttribsARB wglCreateContextAttribsARB; WglSwapInternalExt wglSwapInternalExt; WglGetSwapInternalExt wglGetSwapInternalExt; + + static QWindowsOpengl32DLL opengl32; }; QDebug operator<<(QDebug d, const QOpenGLStaticContext &); -class QWindowsGLContext : public QPlatformOpenGLContext +class QWindowsGLContext : public QWindowsOpenGLContext { public: - typedef QSharedPointer<QOpenGLStaticContext> QOpenGLStaticContextPtr; - - explicit QWindowsGLContext(const QOpenGLStaticContextPtr &staticContext, - QOpenGLContext *context); + explicit QWindowsGLContext(QOpenGLStaticContext *staticContext, QOpenGLContext *context); virtual ~QWindowsGLContext(); - bool isSharing() const { return m_context->shareHandle(); } - bool isValid() const { return m_renderingContext; } - virtual QSurfaceFormat format() const { return m_obtainedFormat; } + bool isSharing() const Q_DECL_OVERRIDE { return m_context->shareHandle(); } + bool isValid() const Q_DECL_OVERRIDE { return m_renderingContext; } + virtual QSurfaceFormat format() const Q_DECL_OVERRIDE { return m_obtainedFormat; } - virtual void swapBuffers(QPlatformSurface *surface); + virtual void swapBuffers(QPlatformSurface *surface) Q_DECL_OVERRIDE; - virtual bool makeCurrent(QPlatformSurface *surface); - virtual void doneCurrent(); + virtual bool makeCurrent(QPlatformSurface *surface) Q_DECL_OVERRIDE; + virtual void doneCurrent() Q_DECL_OVERRIDE; typedef void (*GL_Proc) (); - virtual GL_Proc getProcAddress(const QByteArray &procName); + virtual QFunctionPointer getProcAddress(const QByteArray &procName) Q_DECL_OVERRIDE; + + HGLRC renderingContext() const { return m_renderingContext; } - HGLRC renderingContext() const { return m_renderingContext; } + void *nativeContext() const Q_DECL_OVERRIDE { return m_renderingContext; } private: inline void releaseDCs(); - const QOpenGLStaticContextPtr m_staticContext; + QOpenGLStaticContext *m_staticContext; QOpenGLContext *m_context; QSurfaceFormat m_obtainedFormat; HGLRC m_renderingContext; diff --git a/src/plugins/platforms/windows/qwindowsintegration.cpp b/src/plugins/platforms/windows/qwindowsintegration.cpp index fc59302bf3..529dd75ed5 100644 --- a/src/plugins/platforms/windows/qwindowsintegration.cpp +++ b/src/plugins/platforms/windows/qwindowsintegration.cpp @@ -1,7 +1,7 @@ /**************************************************************************** ** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Copyright (C) 2013 Samuel Gaist <samuel.gaist@edeltech.ch> -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. @@ -43,19 +43,7 @@ #include "qwindowsintegration.h" #include "qwindowswindow.h" #include "qwindowscontext.h" - -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) -# include "qwindowseglcontext.h" -# include <QtGui/QOpenGLContext> -#endif - -#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2) -# include "qwindowsglcontext.h" -#endif - -#if !defined(QT_NO_OPENGL) -# include <QtGui/QOpenGLFunctions> -#endif +#include "qwindowsopenglcontext.h" #include "qwindowsscreen.h" #include "qwindowstheme.h" @@ -91,6 +79,17 @@ #include <limits.h> +#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) +# include "qwindowseglcontext.h" +#endif +#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2) +# include "qwindowsglcontext.h" +#endif + +#ifndef Q_OS_WINCE +# include "qwindowsopengltester.h" +#endif + QT_BEGIN_NAMESPACE /*! @@ -136,15 +135,9 @@ QT_BEGIN_NAMESPACE struct QWindowsIntegrationPrivate { -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - typedef QSharedPointer<QWindowsEGLStaticContext> QEGLStaticContextPtr; -#endif -#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2) - typedef QSharedPointer<QOpenGLStaticContext> QOpenGLStaticContextPtr; -#endif - explicit QWindowsIntegrationPrivate(const QStringList ¶mList); ~QWindowsIntegrationPrivate(); + bool ensureStaticOpenGLContext(); unsigned m_options; QWindowsContext m_context; @@ -155,12 +148,9 @@ struct QWindowsIntegrationPrivate QWindowsDrag m_drag; # endif #endif -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - QEGLStaticContextPtr m_staticEGLContext; -#endif -#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2) - QOpenGLStaticContextPtr m_staticOpenGLContext; -#endif +#ifndef QT_NO_OPENGL + QSharedPointer<QWindowsStaticOpenGLContext> m_staticOpenGLContext; +#endif // QT_NO_OPENGL QScopedPointer<QPlatformInputContext> m_inputContext; #ifndef QT_NO_ACCESSIBILITY QWindowsAccessibility m_accessibility; @@ -273,12 +263,7 @@ bool QWindowsIntegration::hasCapability(QPlatformIntegration::Capability cap) co case OpenGL: return true; case ThreadedOpenGL: -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - return QOpenGLContext::openGLModuleType() != QOpenGLContext::LibGL - ? QWindowsEGLContext::hasThreadedOpenGLCapability() : true; -# else - return true; -# endif // QT_OPENGL_ES_2 + return d->ensureStaticOpenGLContext() ? d->m_staticOpenGLContext->supportsThreadedOpenGL() : false; #endif // !QT_NO_OPENGL case WindowMasks: return true; @@ -288,6 +273,8 @@ bool QWindowsIntegration::hasCapability(QPlatformIntegration::Capability cap) co return true; case RasterGLSurface: return true; + case AllGLFunctionsQueryable: + return true; default: return QPlatformIntegration::hasCapability(cap); } @@ -304,8 +291,7 @@ QWindowsWindowData QWindowsIntegration::createWindowData(QWindow *window) const if (customMarginsV.isValid()) requested.customMargins = qvariant_cast<QMargins>(customMarginsV); - const QWindowsWindowData obtained - = QWindowsWindowData::create(window, requested, window->title()); + QWindowsWindowData obtained = QWindowsWindowData::create(window, requested, window->title()); qCDebug(lcQpaWindows).nospace() << __FUNCTION__ << '<' << window << "\n Requested: " << requested.geometry << "frame incl.: " @@ -323,6 +309,11 @@ QWindowsWindowData QWindowsIntegration::createWindowData(QWindow *window) const QWindowSystemInterface::handleGeometryChange(window, obtained.geometry); } +#ifndef QT_NO_OPENGL + d->ensureStaticOpenGLContext(); + obtained.staticOpenGLContext = d->m_staticOpenGLContext; +#endif // QT_NO_OPENGL + return obtained; } @@ -334,32 +325,80 @@ QPlatformWindow *QWindowsIntegration::createPlatformWindow(QWindow *window) cons } #ifndef QT_NO_OPENGL -QPlatformOpenGLContext - *QWindowsIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const +static QWindowsStaticOpenGLContext *q_staticOpenGLContext = 0; + +QWindowsStaticOpenGLContext *QWindowsStaticOpenGLContext::create() { - qCDebug(lcQpaGl) << __FUNCTION__ << context->format(); -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - if (QOpenGLContext::openGLModuleType() != QOpenGLContext::LibGL) { - if (d->m_staticEGLContext.isNull()) { - QWindowsEGLStaticContext *staticContext = QWindowsEGLStaticContext::create(); - if (!staticContext) - return 0; - d->m_staticEGLContext = QSharedPointer<QWindowsEGLStaticContext>(staticContext); + QWindowsStaticOpenGLContext *ctx = 0; + +#if defined(QT_OPENGL_DYNAMIC) + const QByteArray requested = qgetenv("QT_OPENGL"); // angle, desktop, software + const bool angleRequested = QCoreApplication::testAttribute(Qt::AA_UseOpenGLES) || requested == QByteArrayLiteral("angle"); + const bool desktopRequested = QCoreApplication::testAttribute(Qt::AA_UseDesktopOpenGL) || requested == QByteArrayLiteral("desktop"); + const bool softwareRequested = QCoreApplication::testAttribute(Qt::AA_UseSoftwareOpenGL) || requested == QByteArrayLiteral("software"); + + // If ANGLE is requested, use it, don't try anything else. + if (angleRequested) { + ctx = QWindowsEGLStaticContext::create(); + } else { + // If opengl32.dll seems to be OpenGL 2.x capable, or desktop OpenGL is requested, use it. + if (!softwareRequested && (desktopRequested || QWindowsOpenGLTester::testDesktopGL())) + ctx = QOpenGLStaticContext::create(); + // If failed and desktop OpenGL is not explicitly requested, try ANGLE. + if (!ctx && !desktopRequested && !softwareRequested) + ctx = QWindowsEGLStaticContext::create(); + // Try software. + if (!ctx) { + ctx = QOpenGLStaticContext::create(true); + // If software was explicitly requested but failed, try the regular one. + if (!ctx && softwareRequested && QWindowsOpenGLTester::testDesktopGL()) + ctx = QOpenGLStaticContext::create(); } - return new QWindowsEGLContext(d->m_staticEGLContext, context->format(), context->shareHandle()); } +#elif defined(QT_OPENGL_ES_2) + ctx = QWindowsEGLStaticContext::create(); +#elif !defined(QT_NO_OPENGL) + ctx = QOpenGLStaticContext::create(); #endif -#if !defined(QT_OPENGL_ES_2) - if (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL) { - if (d->m_staticOpenGLContext.isNull()) - d->m_staticOpenGLContext = - QSharedPointer<QOpenGLStaticContext>(QOpenGLStaticContext::create()); - QScopedPointer<QWindowsGLContext> result(new QWindowsGLContext(d->m_staticOpenGLContext, context)); - return result->isValid() ? result.take() : 0; + + q_staticOpenGLContext = ctx; + + return ctx; +} + +bool QWindowsIntegrationPrivate::ensureStaticOpenGLContext() +{ + if (m_staticOpenGLContext.isNull()) + m_staticOpenGLContext = QSharedPointer<QWindowsStaticOpenGLContext>(QWindowsStaticOpenGLContext::create()); + return !m_staticOpenGLContext.isNull(); +} + +QPlatformOpenGLContext *QWindowsIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const +{ + qCDebug(lcQpaGl) << __FUNCTION__ << context->format(); + if (d->ensureStaticOpenGLContext()) { + QScopedPointer<QWindowsOpenGLContext> result(d->m_staticOpenGLContext->createContext(context)); + if (result->isValid()) + return result.take(); } -#endif // !QT_OPENGL_ES_2 return 0; } + +QOpenGLContext::OpenGLModuleType QWindowsIntegration::openGLModuleType() +{ +#if defined(QT_OPENGL_ES_2) + return QOpenGLContext::LibGLES; +#elif !defined(QT_OPENGL_DYNAMIC) + return QOpenGLContext::LibGL; +#else + return d->ensureStaticOpenGLContext() ? d->m_staticOpenGLContext->moduleType() : QOpenGLContext::LibGL; +#endif +} + +QWindowsStaticOpenGLContext *QWindowsIntegration::staticOpenGLContext() +{ + return q_staticOpenGLContext; +} #endif // !QT_NO_OPENGL /* Workaround for QTBUG-24205: In 'Auto', pick the FreeType engine for diff --git a/src/plugins/platforms/windows/qwindowsintegration.h b/src/plugins/platforms/windows/qwindowsintegration.h index 0f417c8239..a5bf5718c1 100644 --- a/src/plugins/platforms/windows/qwindowsintegration.h +++ b/src/plugins/platforms/windows/qwindowsintegration.h @@ -52,6 +52,7 @@ QT_BEGIN_NAMESPACE struct QWindowsIntegrationPrivate; struct QWindowsWindowData; class QWindowsWindow; +class QWindowsStaticOpenGLContext; class QWindowsIntegration : public QPlatformIntegration { @@ -74,6 +75,8 @@ public: QPlatformWindow *createPlatformWindow(QWindow *window) const; #ifndef QT_NO_OPENGL virtual QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const; + QOpenGLContext::OpenGLModuleType openGLModuleType(); + static QWindowsStaticOpenGLContext *staticOpenGLContext(); #endif virtual QAbstractEventDispatcher *createEventDispatcher() const; void initialize() Q_DECL_OVERRIDE; diff --git a/src/plugins/platforms/windows/qwindowsnativeinterface.cpp b/src/plugins/platforms/windows/qwindowsnativeinterface.cpp index 06c0122bbb..7d274f330f 100644 --- a/src/plugins/platforms/windows/qwindowsnativeinterface.cpp +++ b/src/plugins/platforms/windows/qwindowsnativeinterface.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. @@ -42,21 +42,11 @@ #include "qwindowsnativeinterface.h" #include "qwindowswindow.h" #include "qwindowscontext.h" - -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) -# include "qwindowseglcontext.h" -# include <QtGui/QOpenGLContext> -#endif - -#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2) -# include "qwindowsglcontext.h" -#endif - -#if !defined(QT_NO_OPENGL) -# include <QtGui/QOpenGLFunctions> -#endif +#include "qwindowsopenglcontext.h" +#include "qwindowsintegration.h" #include <QtGui/QWindow> +#include <QtGui/QOpenGLContext> QT_BEGIN_NAMESPACE @@ -117,6 +107,16 @@ QVariantMap QWindowsNativeInterface::windowProperties(QPlatformWindow *window) c return result; } +void *QWindowsNativeInterface::nativeResourceForIntegration(const QByteArray &resource) +{ +#ifndef QT_NO_OPENGL + if (resource == QByteArrayLiteral("glhandle")) + return QWindowsIntegration::staticOpenGLContext()->moduleHandle(); +#endif + + return 0; +} + #ifndef QT_NO_OPENGL void *QWindowsNativeInterface::nativeResourceForContext(const QByteArray &resource, QOpenGLContext *context) { @@ -124,24 +124,14 @@ void *QWindowsNativeInterface::nativeResourceForContext(const QByteArray &resour qWarning("%s: '%s' requested for null context or context without handle.", __FUNCTION__, resource.constData()); return 0; } -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - if (QOpenGLContext::openGLModuleType() != QOpenGLContext::LibGL) { - QWindowsEGLContext *windowsEglContext = static_cast<QWindowsEGLContext *>(context->handle()); - if (resource == QByteArrayLiteral("eglDisplay")) - return windowsEglContext->eglDisplay(); - if (resource == QByteArrayLiteral("eglContext")) - return windowsEglContext->eglContext(); - if (resource == QByteArrayLiteral("eglConfig")) - return windowsEglContext->eglConfig(); - } -#endif // QT_OPENGL_ES_2 || QT_OPENGL_DYNAMIC -#if !defined(QT_OPENGL_ES_2) - if (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL) { - QWindowsGLContext *windowsContext = static_cast<QWindowsGLContext *>(context->handle()); - if (resource == QByteArrayLiteral("renderingContext")) - return windowsContext->renderingContext(); - } -#endif // QT_OPENGL_ES_2 || QT_OPENGL_DYNAMIC + + QWindowsOpenGLContext *glcontext = static_cast<QWindowsOpenGLContext *>(context->handle()); + if (resource == QByteArrayLiteral("renderingContext") || resource == QByteArrayLiteral("eglContext")) + return glcontext->nativeContext(); + if (resource == QByteArrayLiteral("eglDisplay")) + return glcontext->nativeDisplay(); + if (resource == QByteArrayLiteral("eglConfig")) + return glcontext->nativeConfig(); qWarning("%s: Invalid key '%s' requested.", __FUNCTION__, resource.constData()); return 0; diff --git a/src/plugins/platforms/windows/qwindowsnativeinterface.h b/src/plugins/platforms/windows/qwindowsnativeinterface.h index 20100d0f49..a8fbf4fd2c 100644 --- a/src/plugins/platforms/windows/qwindowsnativeinterface.h +++ b/src/plugins/platforms/windows/qwindowsnativeinterface.h @@ -66,11 +66,13 @@ class QWindowsNativeInterface : public QPlatformNativeInterface { Q_OBJECT Q_PROPERTY(bool asyncExpose READ asyncExpose WRITE setAsyncExpose) + public: + void *nativeResourceForIntegration(const QByteArray &resource) Q_DECL_OVERRIDE; #ifndef QT_NO_OPENGL - virtual void *nativeResourceForContext(const QByteArray &resource, QOpenGLContext *context); + void *nativeResourceForContext(const QByteArray &resource, QOpenGLContext *context) Q_DECL_OVERRIDE; #endif - virtual void *nativeResourceForWindow(const QByteArray &resource, QWindow *window); + void *nativeResourceForWindow(const QByteArray &resource, QWindow *window) Q_DECL_OVERRIDE; Q_INVOKABLE void *createMessageWindow(const QString &classNameTemplate, const QString &windowName, @@ -83,10 +85,10 @@ public: bool asyncExpose() const; void setAsyncExpose(bool value); - QVariantMap windowProperties(QPlatformWindow *window) const; - QVariant windowProperty(QPlatformWindow *window, const QString &name) const; - QVariant windowProperty(QPlatformWindow *window, const QString &name, const QVariant &defaultValue) const; - void setWindowProperty(QPlatformWindow *window, const QString &name, const QVariant &value); + QVariantMap windowProperties(QPlatformWindow *window) const Q_DECL_OVERRIDE; + QVariant windowProperty(QPlatformWindow *window, const QString &name) const Q_DECL_OVERRIDE; + QVariant windowProperty(QPlatformWindow *window, const QString &name, const QVariant &defaultValue) const Q_DECL_OVERRIDE; + void setWindowProperty(QPlatformWindow *window, const QString &name, const QVariant &value) Q_DECL_OVERRIDE; }; QT_END_NAMESPACE diff --git a/src/plugins/platforms/windows/qwindowsopenglcontext.h b/src/plugins/platforms/windows/qwindowsopenglcontext.h new file mode 100644 index 0000000000..555af72f37 --- /dev/null +++ b/src/plugins/platforms/windows/qwindowsopenglcontext.h @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWINDOWSOPENGLCONTEXT_H +#define QWINDOWSOPENGLCONTEXT_H + +#include <QtGui/QOpenGLContext> +#include <qpa/qplatformopenglcontext.h> + +QT_BEGIN_NAMESPACE + +#ifndef QT_NO_OPENGL + +class QWindowsOpenGLContext; + +class QWindowsStaticOpenGLContext +{ +public: + static QWindowsStaticOpenGLContext *create(); + virtual ~QWindowsStaticOpenGLContext() { } + + virtual QWindowsOpenGLContext *createContext(QOpenGLContext *context) = 0; + virtual void *moduleHandle() const = 0; + virtual QOpenGLContext::OpenGLModuleType moduleType() const = 0; + virtual bool supportsThreadedOpenGL() const { return false; } + + // If the windowing system interface needs explicitly created window surfaces (like EGL), + // reimplement these. + virtual void *createWindowSurface(void * /*nativeWindow*/, void * /*nativeConfig*/) { return 0; } + virtual void destroyWindowSurface(void * /*nativeSurface*/) { } +}; + +class QWindowsOpenGLContext : public QPlatformOpenGLContext +{ +public: + virtual ~QWindowsOpenGLContext() { } + + // Returns the native context handle (e.g. HGLRC for WGL, EGLContext for EGL). + virtual void *nativeContext() const = 0; + + // These should be implemented only for some winsys interfaces, for example EGL. + // For others, like WGL, they are not relevant. + virtual void *nativeDisplay() const { return 0; } + virtual void *nativeConfig() const { return 0; } +}; + +#endif // QT_NO_OPENGL + +QT_END_NAMESPACE + +#endif // QWINDOWSOPENGLCONTEXT_H diff --git a/src/plugins/platforms/windows/qwindowsopengltester.cpp b/src/plugins/platforms/windows/qwindowsopengltester.cpp new file mode 100644 index 0000000000..9ee62e6d56 --- /dev/null +++ b/src/plugins/platforms/windows/qwindowsopengltester.cpp @@ -0,0 +1,146 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwindowsopengltester.h" +#include "qt_windows.h" +#include "qwindowscontext.h" + +QT_BEGIN_NAMESPACE + +bool QWindowsOpenGLTester::testDesktopGL() +{ + HMODULE lib = 0; + HWND wnd = 0; + HDC dc = 0; + HGLRC context = 0; + LPCTSTR className = L"qtopengltest"; + + HGLRC (WINAPI * CreateContext)(HDC dc) = 0; + BOOL (WINAPI * DeleteContext)(HGLRC context) = 0; + BOOL (WINAPI * MakeCurrent)(HDC dc, HGLRC context) = 0; + PROC (WINAPI * WGL_GetProcAddress)(LPCSTR name) = 0; + + bool result = false; + + // Test #1: Load opengl32.dll and try to resolve an OpenGL 2 function. + // This will typically fail on systems that do not have a real OpenGL driver. + lib = LoadLibraryA("opengl32.dll"); + if (lib) { + CreateContext = reinterpret_cast<HGLRC (WINAPI *)(HDC)>(::GetProcAddress(lib, "wglCreateContext")); + if (!CreateContext) + goto cleanup; + DeleteContext = reinterpret_cast<BOOL (WINAPI *)(HGLRC)>(::GetProcAddress(lib, "wglDeleteContext")); + if (!DeleteContext) + goto cleanup; + MakeCurrent = reinterpret_cast<BOOL (WINAPI *)(HDC, HGLRC)>(::GetProcAddress(lib, "wglMakeCurrent")); + if (!MakeCurrent) + goto cleanup; + WGL_GetProcAddress = reinterpret_cast<PROC (WINAPI *)(LPCSTR)>(::GetProcAddress(lib, "wglGetProcAddress")); + if (!WGL_GetProcAddress) + goto cleanup; + + WNDCLASS wclass; + wclass.cbClsExtra = 0; + wclass.cbWndExtra = 0; + wclass.hInstance = (HINSTANCE) GetModuleHandle(0); + wclass.hIcon = 0; + wclass.hCursor = 0; + wclass.hbrBackground = (HBRUSH) (COLOR_BACKGROUND); + wclass.lpszMenuName = 0; + wclass.lpfnWndProc = DefWindowProc; + wclass.lpszClassName = className; + wclass.style = CS_OWNDC; + if (!RegisterClass(&wclass)) + goto cleanup; + wnd = CreateWindow(className, L"qtopenglproxytest", WS_OVERLAPPED, + 0, 0, 640, 480, 0, 0, wclass.hInstance, 0); + if (!wnd) + goto cleanup; + dc = GetDC(wnd); + if (!dc) + goto cleanup; + + PIXELFORMATDESCRIPTOR pfd; + memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); + pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); + pfd.nVersion = 1; + pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW | PFD_GENERIC_FORMAT; + pfd.iPixelType = PFD_TYPE_RGBA; + // Use the GDI functions. Under the hood this will call the wgl variants in opengl32.dll. + int pixelFormat = ChoosePixelFormat(dc, &pfd); + if (!pixelFormat) + goto cleanup; + if (!SetPixelFormat(dc, pixelFormat, &pfd)) + goto cleanup; + context = CreateContext(dc); + if (!context) + goto cleanup; + if (!MakeCurrent(dc, context)) + goto cleanup; + + // Now that there is finally a context current, try doing something useful. + if (WGL_GetProcAddress("glCreateShader")) { + result = true; + qCDebug(lcQpaGl, "OpenGL 2.0 entry points available"); + } else { + qCDebug(lcQpaGl, "OpenGL 2.0 entry points not found"); + } + } else { + qCDebug(lcQpaGl, "Failed to load opengl32.dll"); + } + +cleanup: + if (MakeCurrent) + MakeCurrent(0, 0); + if (context) + DeleteContext(context); + if (dc && wnd) + ReleaseDC(wnd, dc); + if (wnd) { + DestroyWindow(wnd); + UnregisterClass(className, GetModuleHandle(0)); + } + // No FreeLibrary. Some implementations, Mesa in particular, deadlock when trying to unload. + + return result; +} + +QT_END_NAMESPACE diff --git a/src/plugins/platforms/windows/qwindowsopengltester.h b/src/plugins/platforms/windows/qwindowsopengltester.h new file mode 100644 index 0000000000..f7cd7e3005 --- /dev/null +++ b/src/plugins/platforms/windows/qwindowsopengltester.h @@ -0,0 +1,52 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <qtwindowsglobal.h> + +QT_BEGIN_NAMESPACE + +class QWindowsOpenGLTester +{ +public: + static bool testDesktopGL(); +}; + +QT_END_NAMESPACE diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index 2a221e71ca..56f9119459 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. @@ -48,15 +48,11 @@ # include "qwindowscursor.h" #endif -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) -# include "qwindowseglcontext.h" -# include <QtGui/QOpenGLFunctions> -#endif - #include <QtGui/QGuiApplication> #include <QtGui/QScreen> #include <QtGui/QWindow> #include <QtGui/QRegion> +#include <QtGui/QOpenGLContext> #include <private/qsystemlibrary_p.h> #include <private/qwindow_p.h> #include <private/qguiapplication_p.h> @@ -867,15 +863,13 @@ QWindowsWindow::QWindowsWindow(QWindow *aWindow, const QWindowsWindowData &data) m_opacity(1.0), m_dropTarget(0), m_savedStyle(0), - m_format(aWindow->format()), -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - m_eglSurface(0), -#endif + m_format(aWindow->requestedFormat()), #ifdef Q_OS_WINCE m_previouslyHidden(false), #endif m_iconSmall(0), - m_iconBig(0) + m_iconBig(0), + m_surface(0) { // Clear the creation context as the window can be found in QWindowsContext's map. QWindowsContext::instance()->setWindowCreationContext(QSharedPointer<QWindowCreationContext>()); @@ -883,13 +877,14 @@ QWindowsWindow::QWindowsWindow(QWindow *aWindow, const QWindowsWindowData &data) const Qt::WindowType type = aWindow->type(); if (type == Qt::Desktop) return; // No further handling for Qt::Desktop +#ifndef QT_NO_OPENGL if (aWindow->surfaceType() == QWindow::OpenGLSurface) { - setFlag(OpenGLSurface); -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - if (QOpenGLContext::openGLModuleType() != QOpenGLContext::LibGL) + if (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL) + setFlag(OpenGLSurface); + else setFlag(OpenGL_ES2); -#endif } +#endif // QT_NO_OPENGL updateDropSite(); #ifndef Q_OS_WINCE @@ -953,13 +948,10 @@ void QWindowsWindow::destroyWindow() if (hasMouseCapture()) setMouseGrabEnabled(false); setDropSiteEnabled(false); -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - if (m_eglSurface) { - qCDebug(lcQpaGl) << __FUNCTION__ << "Freeing EGL surface " << m_eglSurface << window(); - eglDestroySurface(m_staticEglContext->display(), m_eglSurface); - m_eglSurface = 0; + if (m_surface) { + m_data.staticOpenGLContext->destroyWindowSurface(m_surface); + m_surface = 0; } -#endif #ifdef Q_OS_WINCE if ((m_windowState & Qt::WindowFullScreen) && !m_previouslyHidden) { HWND handle = FindWindow(L"HHTaskBar", L""); @@ -2144,23 +2136,6 @@ void QWindowsWindow::setEnabled(bool enabled) setStyle(newStyle); } -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) -EGLSurface QWindowsWindow::ensureEglSurfaceHandle(const QWindowsWindow::QWindowsEGLStaticContextPtr &staticContext, EGLConfig config) -{ - if (!m_eglSurface) { - m_staticEglContext = staticContext; - m_eglSurface = eglCreateWindowSurface(staticContext->display(), config, (EGLNativeWindowType)m_data.hwnd, NULL); - if (m_eglSurface == EGL_NO_SURFACE) - qWarning("%s: Could not create the egl surface for %s/'%s' (eglCreateWindowSurface failed): error = 0x%x\n", - Q_FUNC_INFO, window()->metaObject()->className(), - qPrintable(window()->objectName()), eglGetError()); - - qCDebug(lcQpaGl) << __FUNCTION__<<"Created EGL surface "<< m_eglSurface <<window(); - } - return m_eglSurface; -} -#endif // QT_OPENGL_ES_2 - QByteArray QWindowsWindow::debugWindowFlags(Qt::WindowFlags wf) { const int iwf = int(wf); @@ -2272,4 +2247,12 @@ void QWindowsWindow::setCustomMargins(const QMargins &newCustomMargins) } } +void *QWindowsWindow::surface(void *nativeConfig) +{ + if (!m_surface) + m_surface = m_data.staticOpenGLContext->createWindowSurface(m_data.hwnd, nativeConfig); + + return m_surface; +} + QT_END_NAMESPACE diff --git a/src/plugins/platforms/windows/qwindowswindow.h b/src/plugins/platforms/windows/qwindowswindow.h index cb437b76d0..d6d671a3e4 100644 --- a/src/plugins/platforms/windows/qwindowswindow.h +++ b/src/plugins/platforms/windows/qwindowswindow.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. @@ -47,23 +47,15 @@ # include "qplatformfunctions_wince.h" #endif #include "qwindowscursor.h" +#include "qwindowsopenglcontext.h" #include <qpa/qplatformwindow.h> -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) -# include <QtCore/QSharedPointer> -# include <EGL/egl.h> -#endif - QT_BEGIN_NAMESPACE class QWindowsOleDropTarget; class QDebug; -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) -class QWindowsEGLStaticContext; -#endif - struct QWindowsGeometryHint { QWindowsGeometryHint() {} @@ -121,6 +113,9 @@ struct QWindowsWindowData QMargins customMargins; // User-defined, additional frame for NCCALCSIZE HWND hwnd; bool embedded; +#ifndef QT_NO_OPENGL + QSharedPointer<QWindowsStaticOpenGLContext> staticOpenGLContext; +#endif // QT_NO_OPENGL static QWindowsWindowData create(const QWindow *w, const QWindowsWindowData ¶meters, @@ -130,10 +125,6 @@ struct QWindowsWindowData class QWindowsWindow : public QPlatformWindow { public: -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - typedef QSharedPointer<QWindowsEGLStaticContext> QWindowsEGLStaticContextPtr; -#endif - enum Flags { AutoMouseCapture = 0x1, //! Automatic mouse capture on button press. @@ -207,11 +198,6 @@ public: QMargins customMargins() const { return m_data.customMargins; } void setCustomMargins(const QMargins &m); -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - EGLSurface eglSurfaceHandle() const { return m_eglSurface;} - EGLSurface ensureEglSurfaceHandle(const QWindowsEGLStaticContextPtr &staticContext, EGLConfig config); -#endif - inline unsigned style() const { return GetWindowLongPtr(m_data.hwnd, GWL_STYLE); } void setStyle(unsigned s) const; @@ -263,6 +249,8 @@ public: bool isEnabled() const; void setWindowIcon(const QIcon &icon); + void *surface(void *nativeConfig); + #ifndef Q_OS_WINCE void setAlertState(bool enabled); bool isAlertState() const { return testFlag(AlertState); } @@ -302,15 +290,12 @@ private: unsigned m_savedStyle; QRect m_savedFrameGeometry; const QSurfaceFormat m_format; -#if defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC) - EGLSurface m_eglSurface; - QSharedPointer<QWindowsEGLStaticContext> m_staticEglContext; -#endif #ifdef Q_OS_WINCE bool m_previouslyHidden; #endif HICON m_iconSmall; HICON m_iconBig; + void *m_surface; }; // Debug diff --git a/src/plugins/platforms/windows/windows.pri b/src/plugins/platforms/windows/windows.pri index 13799ba1ba..fec9af2645 100644 --- a/src/plugins/platforms/windows/windows.pri +++ b/src/plugins/platforms/windows/windows.pri @@ -66,8 +66,12 @@ HEADERS += \ $$PWD/qwindowsnativeimage.h \ $$PWD/qwindowsnativeinterface.h +!wince: HEADERS += $$PWD/qwindowsopengltester.h + INCLUDEPATH += $$PWD +contains(QT_CONFIG,opengl): HEADERS += $$PWD/qwindowsopenglcontext.h + contains(QT_CONFIG, opengles2) { SOURCES += $$PWD/qwindowseglcontext.cpp HEADERS += $$PWD/qwindowseglcontext.h @@ -78,7 +82,8 @@ contains(QT_CONFIG, opengles2) { # Dynamic GL needs both WGL and EGL contains(QT_CONFIG,dynamicgl) { - SOURCES += $$PWD/qwindowseglcontext.cpp + SOURCES += $$PWD/qwindowseglcontext.cpp \ + $$PWD/qwindowsopengltester.cpp HEADERS += $$PWD/qwindowseglcontext.h } |