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Diffstat (limited to 'src/plugins/platforms/windows/qwindowsglcontext.cpp')
-rw-r--r--src/plugins/platforms/windows/qwindowsglcontext.cpp40
1 files changed, 26 insertions, 14 deletions
diff --git a/src/plugins/platforms/windows/qwindowsglcontext.cpp b/src/plugins/platforms/windows/qwindowsglcontext.cpp
index 6358778914..2409d70ec9 100644
--- a/src/plugins/platforms/windows/qwindowsglcontext.cpp
+++ b/src/plugins/platforms/windows/qwindowsglcontext.cpp
@@ -153,9 +153,11 @@ QT_BEGIN_NAMESPACE
QWindowsOpengl32DLL QOpenGLStaticContext::opengl32;
-FARPROC QWindowsOpengl32DLL::resolve(const char *name)
+QFunctionPointer QWindowsOpengl32DLL::resolve(const char *name)
{
- return m_lib ? ::GetProcAddress(m_lib, name) : nullptr;
+ return m_lib
+ ? reinterpret_cast<QFunctionPointer>(::GetProcAddress(m_lib, name))
+ : nullptr;
}
bool QWindowsOpengl32DLL::init(bool softwareRendering)
@@ -977,12 +979,18 @@ QOpenGLStaticContext::QOpenGLStaticContext() :
extensionNames(QOpenGLStaticContext::getGlString(GL_EXTENSIONS)),
extensions(0),
defaultFormat(QWindowsOpenGLContextFormat::current()),
- 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")),
- wglGetExtensionsStringARB((WglGetExtensionsStringARB)QOpenGLStaticContext::opengl32.wglGetProcAddress("wglGetExtensionsStringARB"))
+ wglGetPixelFormatAttribIVARB(reinterpret_cast<WglGetPixelFormatAttribIVARB>(
+ reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress("wglGetPixelFormatAttribivARB")))),
+ wglChoosePixelFormatARB(reinterpret_cast<WglChoosePixelFormatARB>(
+ reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress("wglChoosePixelFormatARB")))),
+ wglCreateContextAttribsARB(reinterpret_cast<WglCreateContextAttribsARB>(
+ reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress("wglCreateContextAttribsARB")))),
+ wglSwapInternalExt(reinterpret_cast<WglSwapInternalExt>(
+ reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress("wglSwapIntervalEXT")))),
+ wglGetSwapInternalExt(reinterpret_cast<WglGetSwapInternalExt>(
+ reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress("wglGetSwapIntervalEXT")))),
+ wglGetExtensionsStringARB(reinterpret_cast<WglGetExtensionsStringARB>(
+ reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress("wglGetExtensionsStringARB"))))
{
if (extensionNames.startsWith(SAMPLE_BUFFER_EXTENSION " ")
|| extensionNames.indexOf(" " SAMPLE_BUFFER_EXTENSION " ") != -1)
@@ -1231,7 +1239,8 @@ bool QWindowsGLContext::updateObtainedParams(HDC hdc, int *obtainedSwapInterval)
hasRobustness = exts && strstr(exts, "GL_ARB_robustness");
} else {
typedef const GLubyte * (APIENTRY *glGetStringi_t)(GLenum, GLuint);
- glGetStringi_t glGetStringi = (glGetStringi_t) QOpenGLStaticContext::opengl32.wglGetProcAddress("glGetStringi");
+ glGetStringi_t glGetStringi = reinterpret_cast<glGetStringi_t>(
+ reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress("glGetStringi")));
if (glGetStringi) {
GLint n = 0;
QOpenGLStaticContext::opengl32.glGetIntegerv(GL_NUM_EXTENSIONS, &n);
@@ -1244,8 +1253,10 @@ bool QWindowsGLContext::updateObtainedParams(HDC hdc, int *obtainedSwapInterval)
}
}
}
- if (hasRobustness)
- m_getGraphicsResetStatus = (GLenum (APIENTRY *)()) QOpenGLStaticContext::opengl32.wglGetProcAddress("glGetGraphicsResetStatusARB");
+ if (hasRobustness) {
+ m_getGraphicsResetStatus = reinterpret_cast<GlGetGraphicsResetStatusArbType>(
+ reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress("glGetGraphicsResetStatusARB")));
+ }
QOpenGLStaticContext::opengl32.wglMakeCurrent(prevSurface, prevContext);
return true;
@@ -1369,16 +1380,17 @@ QFunctionPointer QWindowsGLContext::getProcAddress(const char *procName)
// 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.
- PROC procAddress = QOpenGLStaticContext::opengl32.wglGetProcAddress(procName);
+ QFunctionPointer procAddress = reinterpret_cast<QFunctionPointer>(QOpenGLStaticContext::opengl32.wglGetProcAddress(procName));
// 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.
- if (!procAddress || procAddress == reinterpret_cast<PROC>(0x1) || procAddress == reinterpret_cast<PROC>(0x2)
- || procAddress == reinterpret_cast<PROC>(0x3) || procAddress == reinterpret_cast<PROC>(-1))
+ if (procAddress == nullptr || reinterpret_cast<quintptr>(procAddress) < 4u
+ || procAddress == reinterpret_cast<QFunctionPointer>(-1)) {
procAddress = QOpenGLStaticContext::opengl32.resolve(procName);
+ }
if (QWindowsContext::verbose > 1)
qCDebug(lcQpaGl) << __FUNCTION__ << procName << QOpenGLStaticContext::opengl32.wglGetCurrentContext() << "returns" << procAddress;