diff options
Diffstat (limited to 'chromium/third_party/skia/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp')
| -rw-r--r-- | chromium/third_party/skia/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp | 316 |
1 files changed, 35 insertions, 281 deletions
diff --git a/chromium/third_party/skia/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp b/chromium/third_party/skia/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp index 06e406f8597..6adaf1964fc 100644 --- a/chromium/third_party/skia/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp +++ b/chromium/third_party/skia/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp @@ -6,24 +6,11 @@ * found in the LICENSE file. */ - -#include "gl/GrGLExtensions.h" #include "gl/GrGLInterface.h" -#include "gl/GrGLUtil.h" +#include "gl/GrGLAssembleInterface.h" #define WIN32_LEAN_AND_MEAN #include <windows.h> -/* - * Windows makes the GL funcs all be __stdcall instead of __cdecl :( - * This implementation will only work if GR_GL_FUNCTION_TYPE is __stdcall. - * Otherwise, a springboard would be needed that hides the calling convention. - */ - -#define SET_PROC(F) interface->f ## F = (GrGL ## F ## Proc) GetProcAddress(alu.get(), "gl" #F); -#define WGL_SET_PROC(F) interface->f ## F = (GrGL ## F ## Proc) wglGetProcAddress("gl" #F); -#define WGL_SET_PROC_SUFFIX(F, S) interface->f ## F = \ - (GrGL ## F ## Proc) wglGetProcAddress("gl" #F #S); - class AutoLibraryUnload { public: AutoLibraryUnload(const char* moduleName) { @@ -40,281 +27,48 @@ private: HMODULE fModule; }; -const GrGLInterface* GrGLCreateNativeInterface() { - // wglGetProcAddress requires a context. - // GL Function pointers retrieved in one context may not be valid in another - // context. For that reason we create a new GrGLInterface each time we're - // called. - AutoLibraryUnload alu("opengl32.dll"); - if (NULL == alu.get()) { - return NULL; - } - - if (NULL != wglGetCurrentContext()) { - - // These should always be present and don't require wglGetProcAddress - GrGLGetStringProc glGetString = - (GrGLGetStringProc) GetProcAddress(alu.get(), "glGetString"); - GrGLGetIntegervProc glGetIntegerv = - (GrGLGetIntegervProc) GetProcAddress(alu.get(), "glGetIntegerv"); - if (NULL == glGetString || NULL == glGetIntegerv) { - return NULL; - } - - // This may or may not succeed depending on the gl version. - GrGLGetStringiProc glGetStringi = (GrGLGetStringiProc) wglGetProcAddress("glGetStringi"); - - GrGLExtensions extensions; - if (!extensions.init(kDesktop_GrGLBinding, glGetString, glGetStringi, glGetIntegerv)) { - return NULL; - } - const char* versionString = (const char*) glGetString(GR_GL_VERSION); - GrGLVersion glVer = GrGLGetVersionFromString(versionString); - - if (glVer < GR_GL_VER(1,5)) { - // We must have array and element_array buffer objects. - return NULL; - } - GrGLInterface* interface = new GrGLInterface(); - - // Functions that are part of GL 1.1 will return NULL in - // wglGetProcAddress - SET_PROC(BindTexture) - SET_PROC(BlendFunc) - - if (glVer >= GR_GL_VER(1,4) || - extensions.has("GL_ARB_imaging") || - extensions.has("GL_EXT_blend_color")) { - WGL_SET_PROC(BlendColor); - } +class GLProcGetter { +public: + GLProcGetter() : fGLLib("opengl32.dll") {} - SET_PROC(Clear) - SET_PROC(ClearColor) - SET_PROC(ClearStencil) - SET_PROC(ColorMask) - SET_PROC(CopyTexSubImage2D) - SET_PROC(CullFace) - SET_PROC(DeleteTextures) - SET_PROC(DepthMask) - SET_PROC(Disable) - SET_PROC(DisableClientState) - SET_PROC(DrawArrays) - SET_PROC(DrawElements) - SET_PROC(DrawBuffer) - SET_PROC(Enable) - SET_PROC(EnableClientState) - SET_PROC(FrontFace) - SET_PROC(Finish) - SET_PROC(Flush) - SET_PROC(GenTextures) - SET_PROC(GetError) - SET_PROC(GetIntegerv) - SET_PROC(GetString) - SET_PROC(GetTexLevelParameteriv) - SET_PROC(LineWidth) - SET_PROC(LoadIdentity) - SET_PROC(LoadMatrixf) - SET_PROC(MatrixMode) - SET_PROC(PixelStorei) - SET_PROC(ReadBuffer) - SET_PROC(ReadPixels) - SET_PROC(Scissor) - SET_PROC(StencilFunc) - SET_PROC(StencilMask) - SET_PROC(StencilOp) - SET_PROC(TexGenf) - SET_PROC(TexGenfv) - SET_PROC(TexGeni) - SET_PROC(TexImage2D) - SET_PROC(TexParameteri) - SET_PROC(TexParameteriv) - if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) { - WGL_SET_PROC(TexStorage2D); - } else if (extensions.has("GL_EXT_texture_storage")) { - WGL_SET_PROC_SUFFIX(TexStorage2D, EXT); - } - SET_PROC(TexSubImage2D) - SET_PROC(Viewport) - SET_PROC(VertexPointer) + bool isInitialized() const { return NULL != fGLLib.get(); } - WGL_SET_PROC(ActiveTexture); - WGL_SET_PROC(AttachShader); - WGL_SET_PROC(BeginQuery); - WGL_SET_PROC(BindAttribLocation); - WGL_SET_PROC(BindBuffer); - WGL_SET_PROC(BindFragDataLocation); - WGL_SET_PROC(BufferData); - WGL_SET_PROC(BufferSubData); - WGL_SET_PROC(ClientActiveTexture); - WGL_SET_PROC(CompileShader); - WGL_SET_PROC(CompressedTexImage2D); - WGL_SET_PROC(CreateProgram); - WGL_SET_PROC(CreateShader); - WGL_SET_PROC(DeleteBuffers); - WGL_SET_PROC(DeleteQueries); - WGL_SET_PROC(DeleteProgram); - WGL_SET_PROC(DeleteShader); - WGL_SET_PROC(DisableVertexAttribArray); - WGL_SET_PROC(DrawBuffers); - WGL_SET_PROC(EnableVertexAttribArray); - WGL_SET_PROC(EndQuery); - WGL_SET_PROC(GenBuffers); - WGL_SET_PROC(GenerateMipmap); - WGL_SET_PROC(GenQueries); - WGL_SET_PROC(GetBufferParameteriv); - WGL_SET_PROC(GetQueryiv); - WGL_SET_PROC(GetQueryObjectiv); - WGL_SET_PROC(GetQueryObjectuiv); - if (glVer > GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) { - WGL_SET_PROC(GetQueryObjecti64v); - WGL_SET_PROC(GetQueryObjectui64v); - WGL_SET_PROC(QueryCounter); - } else if (extensions.has("GL_EXT_timer_query")) { - WGL_SET_PROC_SUFFIX(GetQueryObjecti64v, EXT); - WGL_SET_PROC_SUFFIX(GetQueryObjectui64v, EXT); + GrGLFuncPtr getProc(const char name[]) const { + GrGLFuncPtr proc; + if (NULL != (proc = (GrGLFuncPtr) GetProcAddress(fGLLib.get(), name))) { + return proc; } - WGL_SET_PROC(GetProgramInfoLog); - WGL_SET_PROC(GetProgramiv); - WGL_SET_PROC(GetShaderInfoLog); - WGL_SET_PROC(GetShaderiv); - WGL_SET_PROC(GetStringi) - WGL_SET_PROC(GetUniformLocation); - WGL_SET_PROC(LinkProgram); - WGL_SET_PROC(ShaderSource); - WGL_SET_PROC(StencilFuncSeparate); - WGL_SET_PROC(StencilMaskSeparate); - WGL_SET_PROC(StencilOpSeparate); - WGL_SET_PROC(Uniform1f); - WGL_SET_PROC(Uniform1i); - WGL_SET_PROC(Uniform1fv); - WGL_SET_PROC(Uniform1iv); - WGL_SET_PROC(Uniform2f); - WGL_SET_PROC(Uniform2i); - WGL_SET_PROC(Uniform2fv); - WGL_SET_PROC(Uniform2iv); - WGL_SET_PROC(Uniform3f); - WGL_SET_PROC(Uniform3i); - WGL_SET_PROC(Uniform3fv); - WGL_SET_PROC(Uniform3iv); - WGL_SET_PROC(Uniform4f); - WGL_SET_PROC(Uniform4i); - WGL_SET_PROC(Uniform4fv); - WGL_SET_PROC(Uniform4iv); - WGL_SET_PROC(UniformMatrix2fv); - WGL_SET_PROC(UniformMatrix3fv); - WGL_SET_PROC(UniformMatrix4fv); - WGL_SET_PROC(UseProgram); - WGL_SET_PROC(VertexAttrib4fv); - WGL_SET_PROC(VertexAttribPointer); - WGL_SET_PROC(BindFragDataLocationIndexed); - - if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) { - // no ARB suffix for GL_ARB_vertex_array_object - WGL_SET_PROC(BindVertexArray); - WGL_SET_PROC(DeleteVertexArrays); - WGL_SET_PROC(GenVertexArrays); + if (NULL != (proc = (GrGLFuncPtr) wglGetProcAddress(name))) { + return proc; } + return NULL; + } - // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since - // GL_ARB_framebuffer_object doesn't use ARB suffix.) - if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) { - WGL_SET_PROC(GenFramebuffers); - WGL_SET_PROC(GetFramebufferAttachmentParameteriv); - WGL_SET_PROC(GetRenderbufferParameteriv); - WGL_SET_PROC(BindFramebuffer); - WGL_SET_PROC(FramebufferTexture2D); - WGL_SET_PROC(CheckFramebufferStatus); - WGL_SET_PROC(DeleteFramebuffers); - WGL_SET_PROC(RenderbufferStorage); - WGL_SET_PROC(GenRenderbuffers); - WGL_SET_PROC(DeleteRenderbuffers); - WGL_SET_PROC(FramebufferRenderbuffer); - WGL_SET_PROC(BindRenderbuffer); - WGL_SET_PROC(RenderbufferStorageMultisample); - WGL_SET_PROC(BlitFramebuffer); - } else if (extensions.has("GL_EXT_framebuffer_object")) { - WGL_SET_PROC_SUFFIX(GenFramebuffers, EXT); - WGL_SET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); - WGL_SET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); - WGL_SET_PROC_SUFFIX(BindFramebuffer, EXT); - WGL_SET_PROC_SUFFIX(FramebufferTexture2D, EXT); - WGL_SET_PROC_SUFFIX(CheckFramebufferStatus, EXT); - WGL_SET_PROC_SUFFIX(DeleteFramebuffers, EXT); - WGL_SET_PROC_SUFFIX(RenderbufferStorage, EXT); - WGL_SET_PROC_SUFFIX(GenRenderbuffers, EXT); - WGL_SET_PROC_SUFFIX(DeleteRenderbuffers, EXT); - WGL_SET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); - WGL_SET_PROC_SUFFIX(BindRenderbuffer, EXT); - if (extensions.has("GL_EXT_framebuffer_multisample")) { - WGL_SET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); - } - if (extensions.has("GL_EXT_framebuffer_blit")) { - WGL_SET_PROC_SUFFIX(BlitFramebuffer, EXT); - } - } else { - // we must have FBOs - delete interface; - return NULL; - } - WGL_SET_PROC(MapBuffer); - WGL_SET_PROC(UnmapBuffer); +private: + AutoLibraryUnload fGLLib; +}; - if (extensions.has("GL_NV_path_rendering")) { - WGL_SET_PROC_SUFFIX(PathCommands, NV); - WGL_SET_PROC_SUFFIX(PathCoords, NV); - WGL_SET_PROC_SUFFIX(PathSubCommands, NV); - WGL_SET_PROC_SUFFIX(PathSubCoords, NV); - WGL_SET_PROC_SUFFIX(PathString, NV); - WGL_SET_PROC_SUFFIX(PathGlyphs, NV); - WGL_SET_PROC_SUFFIX(PathGlyphRange, NV); - WGL_SET_PROC_SUFFIX(WeightPaths, NV); - WGL_SET_PROC_SUFFIX(CopyPath, NV); - WGL_SET_PROC_SUFFIX(InterpolatePaths, NV); - WGL_SET_PROC_SUFFIX(TransformPath, NV); - WGL_SET_PROC_SUFFIX(PathParameteriv, NV); - WGL_SET_PROC_SUFFIX(PathParameteri, NV); - WGL_SET_PROC_SUFFIX(PathParameterfv, NV); - WGL_SET_PROC_SUFFIX(PathParameterf, NV); - WGL_SET_PROC_SUFFIX(PathDashArray, NV); - WGL_SET_PROC_SUFFIX(GenPaths, NV); - WGL_SET_PROC_SUFFIX(DeletePaths, NV); - WGL_SET_PROC_SUFFIX(IsPath, NV); - WGL_SET_PROC_SUFFIX(PathStencilFunc, NV); - WGL_SET_PROC_SUFFIX(PathStencilDepthOffset, NV); - WGL_SET_PROC_SUFFIX(StencilFillPath, NV); - WGL_SET_PROC_SUFFIX(StencilStrokePath, NV); - WGL_SET_PROC_SUFFIX(StencilFillPathInstanced, NV); - WGL_SET_PROC_SUFFIX(StencilStrokePathInstanced, NV); - WGL_SET_PROC_SUFFIX(PathCoverDepthFunc, NV); - WGL_SET_PROC_SUFFIX(PathColorGen, NV); - WGL_SET_PROC_SUFFIX(PathTexGen, NV); - WGL_SET_PROC_SUFFIX(PathFogGen, NV); - WGL_SET_PROC_SUFFIX(CoverFillPath, NV); - WGL_SET_PROC_SUFFIX(CoverStrokePath, NV); - WGL_SET_PROC_SUFFIX(CoverFillPathInstanced, NV); - WGL_SET_PROC_SUFFIX(CoverStrokePathInstanced, NV); - WGL_SET_PROC_SUFFIX(GetPathParameteriv, NV); - WGL_SET_PROC_SUFFIX(GetPathParameterfv, NV); - WGL_SET_PROC_SUFFIX(GetPathCommands, NV); - WGL_SET_PROC_SUFFIX(GetPathCoords, NV); - WGL_SET_PROC_SUFFIX(GetPathDashArray, NV); - WGL_SET_PROC_SUFFIX(GetPathMetrics, NV); - WGL_SET_PROC_SUFFIX(GetPathMetricRange, NV); - WGL_SET_PROC_SUFFIX(GetPathSpacing, NV); - WGL_SET_PROC_SUFFIX(GetPathColorGeniv, NV); - WGL_SET_PROC_SUFFIX(GetPathColorGenfv, NV); - WGL_SET_PROC_SUFFIX(GetPathTexGeniv, NV); - WGL_SET_PROC_SUFFIX(GetPathTexGenfv, NV); - WGL_SET_PROC_SUFFIX(IsPointInFillPath, NV); - WGL_SET_PROC_SUFFIX(IsPointInStrokePath, NV); - WGL_SET_PROC_SUFFIX(GetPathLength, NV); - WGL_SET_PROC_SUFFIX(PointAlongPath, NV); - } +static GrGLFuncPtr win_get_gl_proc(void* ctx, const char name[]) { + SkASSERT(NULL != ctx); + SkASSERT(NULL != wglGetCurrentContext()); + const GLProcGetter* getter = (const GLProcGetter*) ctx; + return getter->getProc(name); +} - interface->fBindingsExported = kDesktop_GrGLBinding; +/* + * Windows makes the GL funcs all be __stdcall instead of __cdecl :( + * This implementation will only work if GR_GL_FUNCTION_TYPE is __stdcall. + * Otherwise, a springboard would be needed that hides the calling convention. + */ +const GrGLInterface* GrGLCreateNativeInterface() { + if (NULL == wglGetCurrentContext()) { + return NULL; + } - return interface; - } else { + GLProcGetter getter; + if (!getter.isInitialized()) { return NULL; } + + return GrGLAssembleGLInterface(&getter, win_get_gl_proc); } |