skia2/include/gpu/gl/GrGLInterface.h
benjaminwagner f49c75a8f1 Move Google3-specific stack limitation logic to template classes.
Remove #ifdefs in other files.

Reapplies https://codereview.chromium.org/1656143003; removing the implicit constructors for GLPtr and GLPtrAlias resolves the build issue on Android.

Also reverts https://codereview.chromium.org/1663013004

Does not change the public API.

TBR=reed
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1666203002

Review URL: https://codereview.chromium.org/1666203002
2016-02-05 07:02:38 -08:00

518 lines
26 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrGLInterface_DEFINED
#define GrGLInterface_DEFINED
#include "GrGLFunctions.h"
#include "GrGLExtensions.h"
#include "SkRefCnt.h"
////////////////////////////////////////////////////////////////////////////////
/**
* Rather than depend on platform-specific GL headers and libraries, we require
* the client to provide a struct of GL function pointers. This struct can be
* specified per-GrContext as a parameter to GrContext::Create. If NULL is
* passed to Create then a "default" GL interface is created. If the default is
* also NULL GrContext creation will fail.
*
* The default interface is returned by GrGLDefaultInterface. This function's
* implementation is platform-specific. Several have been provided, along with
* an implementation that simply returns NULL.
*
* By defining GR_GL_PER_GL_CALL_IFACE_CALLBACK to 1 the client can specify a
* callback function that will be called prior to each GL function call. See
* comments in GrGLConfig.h
*/
typedef void(*GrGLFuncPtr)();
struct GrGLInterface;
const GrGLInterface* GrGLDefaultInterface();
/**
* Creates a GrGLInterface for a "native" GL context (e.g. WGL on windows,
* GLX on linux, AGL on Mac). The interface is only valid for the GL context
* that is current when the interface is created.
*/
SK_API const GrGLInterface* GrGLCreateNativeInterface();
#if SK_MESA
/**
* Creates a GrGLInterface for an OSMesa context.
*/
SK_API const GrGLInterface* GrGLCreateMesaInterface();
#endif
#if SK_ANGLE
/**
* Creates a GrGLInterface for an ANGLE context.
*/
SK_API const GrGLInterface* GrGLCreateANGLEInterface();
#endif
#if SK_COMMAND_BUFFER
/**
* Creates a GrGLInterface for a Command Buffer context.
*/
SK_API const GrGLInterface* GrGLCreateCommandBufferInterface();
#endif
/**
* Creates a null GrGLInterface that doesn't draw anything. Used for measuring
* CPU overhead.
*/
const SK_API GrGLInterface* GrGLCreateNullInterface();
/**
* Creates a debugging GrGLInterface that doesn't draw anything. Used for
* finding memory leaks and invalid memory accesses.
*/
const GrGLInterface* GrGLCreateDebugInterface();
#if GR_GL_PER_GL_FUNC_CALLBACK
typedef void (*GrGLInterfaceCallbackProc)(const GrGLInterface*);
typedef intptr_t GrGLInterfaceCallbackData;
#endif
/** Function that returns a new interface identical to "interface" but without support for
GL_NV_path_rendering. */
const GrGLInterface* GrGLInterfaceRemoveNVPR(const GrGLInterface*);
/** Function that returns a new interface identical to "interface" but with support for
test version of GL_EXT_debug_marker. */
const GrGLInterface* GrGLInterfaceAddTestDebugMarker(const GrGLInterface*,
GrGLInsertEventMarkerProc insertEventMarkerFn,
GrGLPushGroupMarkerProc pushGroupMarkerFn,
GrGLPopGroupMarkerProc popGroupMarkerFn);
/**
* GrContext uses the following interface to make all calls into OpenGL. When a
* GrContext is created it is given a GrGLInterface. The interface's function
* pointers must be valid for the OpenGL context associated with the GrContext.
* On some platforms, such as Windows, function pointers for OpenGL extensions
* may vary between OpenGL contexts. So the caller must be careful to use a
* GrGLInterface initialized for the correct context. All functions that should
* be available based on the OpenGL's version and extension string must be
* non-NULL or GrContext creation will fail. This can be tested with the
* validate() method when the OpenGL context has been made current.
*/
struct SK_API GrGLInterface : public SkRefCnt {
private:
// simple wrapper class that exists only to initialize a pointer to NULL
template <typename FNPTR_TYPE> class GLPtr {
public:
GLPtr() : fPtr(NULL) {}
GLPtr(const GLPtr&) = delete;
GLPtr& operator=(FNPTR_TYPE ptr) { fPtr = ptr; return *this; }
operator FNPTR_TYPE() const { return fPtr; }
private:
FNPTR_TYPE fPtr;
};
// This is a temporary workaround to keep Chromium's GrGLInterface factories compiling until
// they're updated to use the Functions struct.
template <typename FNPTR_TYPE> class GLPtrAlias {
public:
explicit GLPtrAlias(GLPtr<FNPTR_TYPE>* base) : fBase(base) {}
GLPtrAlias(const GLPtrAlias&) = delete;
void operator=(FNPTR_TYPE ptr) { *fBase = ptr; }
private:
GLPtr<FNPTR_TYPE>* fBase;
};
typedef SkRefCnt INHERITED;
public:
GrGLInterface();
static GrGLInterface* NewClone(const GrGLInterface*);
// Validates that the GrGLInterface supports its advertised standard. This means the necessary
// function pointers have been initialized for both the GL version and any advertised
// extensions.
bool validate() const;
// Indicates the type of GL implementation
union {
GrGLStandard fStandard;
GrGLStandard fBindingsExported; // Legacy name, will be remove when Chromium is updated.
};
GrGLExtensions fExtensions;
bool hasExtension(const char ext[]) const { return fExtensions.has(ext); }
/**
* The function pointers are in a struct so that we can have a compiler generated assignment
* operator.
*/
struct Functions {
GLPtr<GrGLActiveTextureProc> fActiveTexture;
GLPtr<GrGLAttachShaderProc> fAttachShader;
GLPtr<GrGLBeginQueryProc> fBeginQuery;
GLPtr<GrGLBindAttribLocationProc> fBindAttribLocation;
GLPtr<GrGLBindBufferProc> fBindBuffer;
GLPtr<GrGLBindFragDataLocationProc> fBindFragDataLocation;
GLPtr<GrGLBindFragDataLocationIndexedProc> fBindFragDataLocationIndexed;
GLPtr<GrGLBindFramebufferProc> fBindFramebuffer;
GLPtr<GrGLBindRenderbufferProc> fBindRenderbuffer;
GLPtr<GrGLBindTextureProc> fBindTexture;
GLPtr<GrGLBindVertexArrayProc> fBindVertexArray;
GLPtr<GrGLBlendBarrierProc> fBlendBarrier;
GLPtr<GrGLBlendColorProc> fBlendColor;
GLPtr<GrGLBlendEquationProc> fBlendEquation;
GLPtr<GrGLBlendFuncProc> fBlendFunc;
GLPtr<GrGLBlitFramebufferProc> fBlitFramebuffer;
GLPtr<GrGLBufferDataProc> fBufferData;
GLPtr<GrGLBufferSubDataProc> fBufferSubData;
GLPtr<GrGLCheckFramebufferStatusProc> fCheckFramebufferStatus;
GLPtr<GrGLClearProc> fClear;
GLPtr<GrGLClearColorProc> fClearColor;
GLPtr<GrGLClearStencilProc> fClearStencil;
GLPtr<GrGLColorMaskProc> fColorMask;
GLPtr<GrGLCompileShaderProc> fCompileShader;
GLPtr<GrGLCompressedTexImage2DProc> fCompressedTexImage2D;
GLPtr<GrGLCompressedTexSubImage2DProc> fCompressedTexSubImage2D;
GLPtr<GrGLCopyTexSubImage2DProc> fCopyTexSubImage2D;
GLPtr<GrGLCreateProgramProc> fCreateProgram;
GLPtr<GrGLCreateShaderProc> fCreateShader;
GLPtr<GrGLCullFaceProc> fCullFace;
GLPtr<GrGLDeleteBuffersProc> fDeleteBuffers;
GLPtr<GrGLDeleteFramebuffersProc> fDeleteFramebuffers;
GLPtr<GrGLDeleteProgramProc> fDeleteProgram;
GLPtr<GrGLDeleteQueriesProc> fDeleteQueries;
GLPtr<GrGLDeleteRenderbuffersProc> fDeleteRenderbuffers;
GLPtr<GrGLDeleteShaderProc> fDeleteShader;
GLPtr<GrGLDeleteTexturesProc> fDeleteTextures;
GLPtr<GrGLDeleteVertexArraysProc> fDeleteVertexArrays;
GLPtr<GrGLDepthMaskProc> fDepthMask;
GLPtr<GrGLDisableProc> fDisable;
GLPtr<GrGLDisableVertexAttribArrayProc> fDisableVertexAttribArray;
GLPtr<GrGLDrawArraysProc> fDrawArrays;
GLPtr<GrGLDrawBufferProc> fDrawBuffer;
GLPtr<GrGLDrawBuffersProc> fDrawBuffers;
GLPtr<GrGLDrawElementsProc> fDrawElements;
GLPtr<GrGLEnableProc> fEnable;
GLPtr<GrGLEnableVertexAttribArrayProc> fEnableVertexAttribArray;
GLPtr<GrGLEndQueryProc> fEndQuery;
GLPtr<GrGLFinishProc> fFinish;
GLPtr<GrGLFlushProc> fFlush;
GLPtr<GrGLFlushMappedBufferRangeProc> fFlushMappedBufferRange;
GLPtr<GrGLFramebufferRenderbufferProc> fFramebufferRenderbuffer;
GLPtr<GrGLFramebufferTexture2DProc> fFramebufferTexture2D;
GLPtr<GrGLFramebufferTexture2DMultisampleProc> fFramebufferTexture2DMultisample;
GLPtr<GrGLFrontFaceProc> fFrontFace;
GLPtr<GrGLGenBuffersProc> fGenBuffers;
GLPtr<GrGLGenFramebuffersProc> fGenFramebuffers;
GLPtr<GrGLGenerateMipmapProc> fGenerateMipmap;
GLPtr<GrGLGenQueriesProc> fGenQueries;
GLPtr<GrGLGenRenderbuffersProc> fGenRenderbuffers;
GLPtr<GrGLGenTexturesProc> fGenTextures;
GLPtr<GrGLGenVertexArraysProc> fGenVertexArrays;
GLPtr<GrGLGetBufferParameterivProc> fGetBufferParameteriv;
GLPtr<GrGLGetErrorProc> fGetError;
GLPtr<GrGLGetFramebufferAttachmentParameterivProc> fGetFramebufferAttachmentParameteriv;
GLPtr<GrGLGetIntegervProc> fGetIntegerv;
GLPtr<GrGLGetQueryObjecti64vProc> fGetQueryObjecti64v;
GLPtr<GrGLGetQueryObjectivProc> fGetQueryObjectiv;
GLPtr<GrGLGetQueryObjectui64vProc> fGetQueryObjectui64v;
GLPtr<GrGLGetQueryObjectuivProc> fGetQueryObjectuiv;
GLPtr<GrGLGetQueryivProc> fGetQueryiv;
GLPtr<GrGLGetProgramInfoLogProc> fGetProgramInfoLog;
GLPtr<GrGLGetProgramivProc> fGetProgramiv;
GLPtr<GrGLGetRenderbufferParameterivProc> fGetRenderbufferParameteriv;
GLPtr<GrGLGetShaderInfoLogProc> fGetShaderInfoLog;
GLPtr<GrGLGetShaderivProc> fGetShaderiv;
GLPtr<GrGLGetShaderPrecisionFormatProc> fGetShaderPrecisionFormat;
GLPtr<GrGLGetStringProc> fGetString;
GLPtr<GrGLGetStringiProc> fGetStringi;
GLPtr<GrGLGetTexLevelParameterivProc> fGetTexLevelParameteriv;
GLPtr<GrGLGetUniformLocationProc> fGetUniformLocation;
GLPtr<GrGLInsertEventMarkerProc> fInsertEventMarker;
GLPtr<GrGLInvalidateBufferDataProc> fInvalidateBufferData;
GLPtr<GrGLInvalidateBufferSubDataProc> fInvalidateBufferSubData;
GLPtr<GrGLInvalidateFramebufferProc> fInvalidateFramebuffer;
GLPtr<GrGLInvalidateSubFramebufferProc> fInvalidateSubFramebuffer;
GLPtr<GrGLInvalidateTexImageProc> fInvalidateTexImage;
GLPtr<GrGLInvalidateTexSubImageProc> fInvalidateTexSubImage;
GLPtr<GrGLIsTextureProc> fIsTexture;
GLPtr<GrGLLineWidthProc> fLineWidth;
GLPtr<GrGLLinkProgramProc> fLinkProgram;
GLPtr<GrGLMapBufferProc> fMapBuffer;
GLPtr<GrGLMapBufferRangeProc> fMapBufferRange;
GLPtr<GrGLMapBufferSubDataProc> fMapBufferSubData;
GLPtr<GrGLMapTexSubImage2DProc> fMapTexSubImage2D;
GLPtr<GrGLPixelStoreiProc> fPixelStorei;
GLPtr<GrGLPopGroupMarkerProc> fPopGroupMarker;
GLPtr<GrGLPushGroupMarkerProc> fPushGroupMarker;
GLPtr<GrGLQueryCounterProc> fQueryCounter;
GLPtr<GrGLRasterSamplesProc> fRasterSamples;
GLPtr<GrGLReadBufferProc> fReadBuffer;
GLPtr<GrGLReadPixelsProc> fReadPixels;
GLPtr<GrGLRenderbufferStorageProc> fRenderbufferStorage;
// On OpenGL ES there are multiple incompatible extensions that add support for MSAA
// and ES3 adds MSAA support to the standard. On an ES3 driver we may still use the
// older extensions for performance reasons or due to ES3 driver bugs. We want the function
// that creates the GrGLInterface to provide all available functions and internally
// we will select among them. They all have a method called glRenderbufferStorageMultisample*.
// So we have separate function pointers for GL_IMG/EXT_multisampled_to_texture,
// GL_CHROMIUM/ANGLE_framebuffer_multisample/ES3, and GL_APPLE_framebuffer_multisample
// variations.
//
// If a driver supports multiple GL_ARB_framebuffer_multisample-style extensions then we will
// assume the function pointers for the standard (or equivalent GL_ARB) version have
// been preferred over GL_EXT, GL_CHROMIUM, or GL_ANGLE variations that have reduced
// functionality.
// GL_EXT_multisampled_render_to_texture (preferred) or GL_IMG_multisampled_render_to_texture
GLPtr<GrGLRenderbufferStorageMultisampleProc> fRenderbufferStorageMultisampleES2EXT;
// GL_APPLE_framebuffer_multisample
GLPtr<GrGLRenderbufferStorageMultisampleProc> fRenderbufferStorageMultisampleES2APPLE;
// This is used to store the pointer for GL_ARB/EXT/ANGLE/CHROMIUM_framebuffer_multisample or
// the standard function in ES3+ or GL 3.0+.
GLPtr<GrGLRenderbufferStorageMultisampleProc> fRenderbufferStorageMultisample;
// Pointer to BindUniformLocationCHROMIUM from the GL_CHROMIUM_bind_uniform_location extension.
GLPtr<GrGLBindUniformLocationProc> fBindUniformLocation;
GLPtr<GrGLResolveMultisampleFramebufferProc> fResolveMultisampleFramebuffer;
GLPtr<GrGLScissorProc> fScissor;
GLPtr<GrGLShaderSourceProc> fShaderSource;
GLPtr<GrGLStencilFuncProc> fStencilFunc;
GLPtr<GrGLStencilFuncSeparateProc> fStencilFuncSeparate;
GLPtr<GrGLStencilMaskProc> fStencilMask;
GLPtr<GrGLStencilMaskSeparateProc> fStencilMaskSeparate;
GLPtr<GrGLStencilOpProc> fStencilOp;
GLPtr<GrGLStencilOpSeparateProc> fStencilOpSeparate;
GLPtr<GrGLTexImage2DProc> fTexImage2D;
GLPtr<GrGLTexParameteriProc> fTexParameteri;
GLPtr<GrGLTexParameterivProc> fTexParameteriv;
GLPtr<GrGLTexSubImage2DProc> fTexSubImage2D;
GLPtr<GrGLTexStorage2DProc> fTexStorage2D;
GLPtr<GrGLTextureBarrierProc> fTextureBarrier;
GLPtr<GrGLDiscardFramebufferProc> fDiscardFramebuffer;
GLPtr<GrGLUniform1fProc> fUniform1f;
GLPtr<GrGLUniform1iProc> fUniform1i;
GLPtr<GrGLUniform1fvProc> fUniform1fv;
GLPtr<GrGLUniform1ivProc> fUniform1iv;
GLPtr<GrGLUniform2fProc> fUniform2f;
GLPtr<GrGLUniform2iProc> fUniform2i;
GLPtr<GrGLUniform2fvProc> fUniform2fv;
GLPtr<GrGLUniform2ivProc> fUniform2iv;
GLPtr<GrGLUniform3fProc> fUniform3f;
GLPtr<GrGLUniform3iProc> fUniform3i;
GLPtr<GrGLUniform3fvProc> fUniform3fv;
GLPtr<GrGLUniform3ivProc> fUniform3iv;
GLPtr<GrGLUniform4fProc> fUniform4f;
GLPtr<GrGLUniform4iProc> fUniform4i;
GLPtr<GrGLUniform4fvProc> fUniform4fv;
GLPtr<GrGLUniform4ivProc> fUniform4iv;
GLPtr<GrGLUniformMatrix2fvProc> fUniformMatrix2fv;
GLPtr<GrGLUniformMatrix3fvProc> fUniformMatrix3fv;
GLPtr<GrGLUniformMatrix4fvProc> fUniformMatrix4fv;
GLPtr<GrGLUnmapBufferProc> fUnmapBuffer;
GLPtr<GrGLUnmapBufferSubDataProc> fUnmapBufferSubData;
GLPtr<GrGLUnmapTexSubImage2DProc> fUnmapTexSubImage2D;
GLPtr<GrGLUseProgramProc> fUseProgram;
GLPtr<GrGLVertexAttrib1fProc> fVertexAttrib1f;
GLPtr<GrGLVertexAttrib2fvProc> fVertexAttrib2fv;
GLPtr<GrGLVertexAttrib3fvProc> fVertexAttrib3fv;
GLPtr<GrGLVertexAttrib4fvProc> fVertexAttrib4fv;
GLPtr<GrGLVertexAttribPointerProc> fVertexAttribPointer;
GLPtr<GrGLViewportProc> fViewport;
/* GL_NV_path_rendering */
GLPtr<GrGLMatrixLoadfProc> fMatrixLoadf;
GLPtr<GrGLMatrixLoadIdentityProc> fMatrixLoadIdentity;
GLPtr<GrGLGetProgramResourceLocationProc> fGetProgramResourceLocation;
GLPtr<GrGLPathCommandsProc> fPathCommands;
GLPtr<GrGLPathParameteriProc> fPathParameteri;
GLPtr<GrGLPathParameterfProc> fPathParameterf;
GLPtr<GrGLGenPathsProc> fGenPaths;
GLPtr<GrGLDeletePathsProc> fDeletePaths;
GLPtr<GrGLIsPathProc> fIsPath;
GLPtr<GrGLPathStencilFuncProc> fPathStencilFunc;
GLPtr<GrGLStencilFillPathProc> fStencilFillPath;
GLPtr<GrGLStencilStrokePathProc> fStencilStrokePath;
GLPtr<GrGLStencilFillPathInstancedProc> fStencilFillPathInstanced;
GLPtr<GrGLStencilStrokePathInstancedProc> fStencilStrokePathInstanced;
GLPtr<GrGLCoverFillPathProc> fCoverFillPath;
GLPtr<GrGLCoverStrokePathProc> fCoverStrokePath;
GLPtr<GrGLCoverFillPathInstancedProc> fCoverFillPathInstanced;
GLPtr<GrGLCoverStrokePathInstancedProc> fCoverStrokePathInstanced;
// NV_path_rendering v1.2
GLPtr<GrGLStencilThenCoverFillPathProc> fStencilThenCoverFillPath;
GLPtr<GrGLStencilThenCoverStrokePathProc> fStencilThenCoverStrokePath;
GLPtr<GrGLStencilThenCoverFillPathInstancedProc> fStencilThenCoverFillPathInstanced;
GLPtr<GrGLStencilThenCoverStrokePathInstancedProc> fStencilThenCoverStrokePathInstanced;
// NV_path_rendering v1.3
GLPtr<GrGLProgramPathFragmentInputGenProc> fProgramPathFragmentInputGen;
// CHROMIUM_path_rendering
GLPtr<GrGLBindFragmentInputLocationProc> fBindFragmentInputLocation;
/* NV_framebuffer_mixed_samples */
GLPtr<GrGLCoverageModulationProc> fCoverageModulation;
/* ARB_draw_instanced */
GLPtr<GrGLDrawArraysInstancedProc> fDrawArraysInstanced;
GLPtr<GrGLDrawElementsInstancedProc> fDrawElementsInstanced;
/* ARB_instanced_arrays */
GLPtr<GrGLVertexAttribDivisorProc> fVertexAttribDivisor;
/* NV_bindless_texture */
// We use the NVIDIA verson for now because it does not require dynamically uniform handles.
// We may switch the the ARB version and/or omit methods in the future.
GLPtr<GrGLGetTextureHandleProc> fGetTextureHandle;
GLPtr<GrGLGetTextureSamplerHandleProc> fGetTextureSamplerHandle;
GLPtr<GrGLMakeTextureHandleResidentProc> fMakeTextureHandleResident;
GLPtr<GrGLMakeTextureHandleNonResidentProc> fMakeTextureHandleNonResident;
GLPtr<GrGLGetImageHandleProc> fGetImageHandle;
GLPtr<GrGLMakeImageHandleResidentProc> fMakeImageHandleResident;
GLPtr<GrGLMakeImageHandleNonResidentProc> fMakeImageHandleNonResident;
GLPtr<GrGLIsTextureHandleResidentProc> fIsTextureHandleResident;
GLPtr<GrGLIsImageHandleResidentProc> fIsImageHandleResident;
GLPtr<GrGLUniformHandleui64Proc> fUniformHandleui64;
GLPtr<GrGLUniformHandleui64vProc> fUniformHandleui64v;
GLPtr<GrGLProgramUniformHandleui64Proc> fProgramUniformHandleui64;
GLPtr<GrGLProgramUniformHandleui64vProc> fProgramUniformHandleui64v;
/* EXT_direct_state_access */
// We use the EXT verson because it is more expansive and interacts with more extensions
// than the ARB or core (4.5) versions. We may switch and/or omit methods in the future.
GLPtr<GrGLTextureParameteriProc> fTextureParameteri;
GLPtr<GrGLTextureParameterivProc> fTextureParameteriv;
GLPtr<GrGLTextureParameterfProc> fTextureParameterf;
GLPtr<GrGLTextureParameterfvProc> fTextureParameterfv;
GLPtr<GrGLTextureImage1DProc> fTextureImage1D;
GLPtr<GrGLTextureImage2DProc> fTextureImage2D;
GLPtr<GrGLTextureSubImage1DProc> fTextureSubImage1D;
GLPtr<GrGLTextureSubImage2DProc> fTextureSubImage2D;
GLPtr<GrGLCopyTextureImage1DProc> fCopyTextureImage1D;
GLPtr<GrGLCopyTextureImage2DProc> fCopyTextureImage2D;
GLPtr<GrGLCopyTextureSubImage1DProc> fCopyTextureSubImage1D;
GLPtr<GrGLCopyTextureSubImage2DProc> fCopyTextureSubImage2D;
GLPtr<GrGLGetTextureImageProc> fGetTextureImage;
GLPtr<GrGLGetTextureParameterfvProc> fGetTextureParameterfv;
GLPtr<GrGLGetTextureParameterivProc> fGetTextureParameteriv;
GLPtr<GrGLGetTextureLevelParameterfvProc> fGetTextureLevelParameterfv;
GLPtr<GrGLGetTextureLevelParameterivProc> fGetTextureLevelParameteriv;
// OpenGL 1.2
GLPtr<GrGLTextureImage3DProc> fTextureImage3D;
GLPtr<GrGLTextureSubImage3DProc> fTextureSubImage3D;
GLPtr<GrGLCopyTextureSubImage3DProc> fCopyTextureSubImage3D;
GLPtr<GrGLCompressedTextureImage3DProc> fCompressedTextureImage3D;
GLPtr<GrGLCompressedTextureImage2DProc> fCompressedTextureImage2D;
GLPtr<GrGLCompressedTextureImage1DProc> fCompressedTextureImage1D;
GLPtr<GrGLCompressedTextureSubImage3DProc> fCompressedTextureSubImage3D;
GLPtr<GrGLCompressedTextureSubImage2DProc> fCompressedTextureSubImage2D;
GLPtr<GrGLCompressedTextureSubImage1DProc> fCompressedTextureSubImage1D;
GLPtr<GrGLGetCompressedTextureImageProc> fGetCompressedTextureImage;
// OpenGL 1.5
GLPtr<GrGLNamedBufferDataProc> fNamedBufferData;
GLPtr<GrGLNamedBufferSubDataProc> fNamedBufferSubData;
GLPtr<GrGLMapNamedBufferProc> fMapNamedBuffer;
GLPtr<GrGLUnmapNamedBufferProc> fUnmapNamedBuffer;
GLPtr<GrGLGetNamedBufferParameterivProc> fGetNamedBufferParameteriv;
GLPtr<GrGLGetNamedBufferPointervProc> fGetNamedBufferPointerv;
GLPtr<GrGLGetNamedBufferSubDataProc> fGetNamedBufferSubData;
// OpenGL 2.0
GLPtr<GrGLProgramUniform1fProc> fProgramUniform1f;
GLPtr<GrGLProgramUniform2fProc> fProgramUniform2f;
GLPtr<GrGLProgramUniform3fProc> fProgramUniform3f;
GLPtr<GrGLProgramUniform4fProc> fProgramUniform4f;
GLPtr<GrGLProgramUniform1iProc> fProgramUniform1i;
GLPtr<GrGLProgramUniform2iProc> fProgramUniform2i;
GLPtr<GrGLProgramUniform3iProc> fProgramUniform3i;
GLPtr<GrGLProgramUniform4iProc> fProgramUniform4i;
GLPtr<GrGLProgramUniform1fvProc> fProgramUniform1fv;
GLPtr<GrGLProgramUniform2fvProc> fProgramUniform2fv;
GLPtr<GrGLProgramUniform3fvProc> fProgramUniform3fv;
GLPtr<GrGLProgramUniform4fvProc> fProgramUniform4fv;
GLPtr<GrGLProgramUniform1ivProc> fProgramUniform1iv;
GLPtr<GrGLProgramUniform2ivProc> fProgramUniform2iv;
GLPtr<GrGLProgramUniform3ivProc> fProgramUniform3iv;
GLPtr<GrGLProgramUniform4ivProc> fProgramUniform4iv;
GLPtr<GrGLProgramUniformMatrix2fvProc> fProgramUniformMatrix2fv;
GLPtr<GrGLProgramUniformMatrix3fvProc> fProgramUniformMatrix3fv;
GLPtr<GrGLProgramUniformMatrix4fvProc> fProgramUniformMatrix4fv;
// OpenGL 2.1
GLPtr<GrGLProgramUniformMatrix2x3fvProc> fProgramUniformMatrix2x3fv;
GLPtr<GrGLProgramUniformMatrix3x2fvProc> fProgramUniformMatrix3x2fv;
GLPtr<GrGLProgramUniformMatrix2x4fvProc> fProgramUniformMatrix2x4fv;
GLPtr<GrGLProgramUniformMatrix4x2fvProc> fProgramUniformMatrix4x2fv;
GLPtr<GrGLProgramUniformMatrix3x4fvProc> fProgramUniformMatrix3x4fv;
GLPtr<GrGLProgramUniformMatrix4x3fvProc> fProgramUniformMatrix4x3fv;
// OpenGL 3.0
GLPtr<GrGLNamedRenderbufferStorageProc> fNamedRenderbufferStorage;
GLPtr<GrGLGetNamedRenderbufferParameterivProc> fGetNamedRenderbufferParameteriv;
GLPtr<GrGLNamedRenderbufferStorageMultisampleProc> fNamedRenderbufferStorageMultisample;
GLPtr<GrGLCheckNamedFramebufferStatusProc> fCheckNamedFramebufferStatus;
GLPtr<GrGLNamedFramebufferTexture1DProc> fNamedFramebufferTexture1D;
GLPtr<GrGLNamedFramebufferTexture2DProc> fNamedFramebufferTexture2D;
GLPtr<GrGLNamedFramebufferTexture3DProc> fNamedFramebufferTexture3D;
GLPtr<GrGLNamedFramebufferRenderbufferProc> fNamedFramebufferRenderbuffer;
GLPtr<GrGLGetNamedFramebufferAttachmentParameterivProc> fGetNamedFramebufferAttachmentParameteriv;
GLPtr<GrGLGenerateTextureMipmapProc> fGenerateTextureMipmap;
GLPtr<GrGLFramebufferDrawBufferProc> fFramebufferDrawBuffer;
GLPtr<GrGLFramebufferDrawBuffersProc> fFramebufferDrawBuffers;
GLPtr<GrGLFramebufferReadBufferProc> fFramebufferReadBuffer;
GLPtr<GrGLGetFramebufferParameterivProc> fGetFramebufferParameteriv;
GLPtr<GrGLNamedCopyBufferSubDataProc> fNamedCopyBufferSubData;
GLPtr<GrGLVertexArrayVertexOffsetProc> fVertexArrayVertexOffset;
GLPtr<GrGLVertexArrayColorOffsetProc> fVertexArrayColorOffset;
GLPtr<GrGLVertexArrayEdgeFlagOffsetProc> fVertexArrayEdgeFlagOffset;
GLPtr<GrGLVertexArrayIndexOffsetProc> fVertexArrayIndexOffset;
GLPtr<GrGLVertexArrayNormalOffsetProc> fVertexArrayNormalOffset;
GLPtr<GrGLVertexArrayTexCoordOffsetProc> fVertexArrayTexCoordOffset;
GLPtr<GrGLVertexArrayMultiTexCoordOffsetProc> fVertexArrayMultiTexCoordOffset;
GLPtr<GrGLVertexArrayFogCoordOffsetProc> fVertexArrayFogCoordOffset;
GLPtr<GrGLVertexArraySecondaryColorOffsetProc> fVertexArraySecondaryColorOffset;
GLPtr<GrGLVertexArrayVertexAttribOffsetProc> fVertexArrayVertexAttribOffset;
GLPtr<GrGLVertexArrayVertexAttribIOffsetProc> fVertexArrayVertexAttribIOffset;
GLPtr<GrGLEnableVertexArrayProc> fEnableVertexArray;
GLPtr<GrGLDisableVertexArrayProc> fDisableVertexArray;
GLPtr<GrGLEnableVertexArrayAttribProc> fEnableVertexArrayAttrib;
GLPtr<GrGLDisableVertexArrayAttribProc> fDisableVertexArrayAttrib;
GLPtr<GrGLGetVertexArrayIntegervProc> fGetVertexArrayIntegerv;
GLPtr<GrGLGetVertexArrayPointervProc> fGetVertexArrayPointerv;
GLPtr<GrGLGetVertexArrayIntegeri_vProc> fGetVertexArrayIntegeri_v;
GLPtr<GrGLGetVertexArrayPointeri_vProc> fGetVertexArrayPointeri_v;
GLPtr<GrGLMapNamedBufferRangeProc> fMapNamedBufferRange;
GLPtr<GrGLFlushMappedNamedBufferRangeProc> fFlushMappedNamedBufferRange;
/* KHR_debug */
GLPtr<GrGLDebugMessageControlProc> fDebugMessageControl;
GLPtr<GrGLDebugMessageInsertProc> fDebugMessageInsert;
GLPtr<GrGLDebugMessageCallbackProc> fDebugMessageCallback;
GLPtr<GrGLGetDebugMessageLogProc> fGetDebugMessageLog;
GLPtr<GrGLPushDebugGroupProc> fPushDebugGroup;
GLPtr<GrGLPopDebugGroupProc> fPopDebugGroup;
GLPtr<GrGLObjectLabelProc> fObjectLabel;
/* EGL functions */
GLPtr<GrEGLCreateImageProc> fEGLCreateImage;
GLPtr<GrEGLDestroyImageProc> fEGLDestroyImage;
} fFunctions;
// Per-GL func callback
#if GR_GL_PER_GL_FUNC_CALLBACK
GrGLInterfaceCallbackProc fCallback;
GrGLInterfaceCallbackData fCallbackData;
#endif
// This exists for internal testing.
virtual void abandon() const {}
};
#endif