Support ARB extensions for indirect drawing

include/gpu/gl/GrGLInterface.h

 /*
  * 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
 
@@ skipping 188 matching lines @@
         GrGLFunction<GrGLInvalidateSubFramebufferProc> fInvalidateSubFramebuffer;
         GrGLFunction<GrGLInvalidateTexImageProc> fInvalidateTexImage;
         GrGLFunction<GrGLInvalidateTexSubImageProc> fInvalidateTexSubImage;
         GrGLFunction<GrGLIsTextureProc> fIsTexture;
         GrGLFunction<GrGLLineWidthProc> fLineWidth;
         GrGLFunction<GrGLLinkProgramProc> fLinkProgram;
         GrGLFunction<GrGLMapBufferProc> fMapBuffer;
         GrGLFunction<GrGLMapBufferRangeProc> fMapBufferRange;
         GrGLFunction<GrGLMapBufferSubDataProc> fMapBufferSubData;
         GrGLFunction<GrGLMapTexSubImage2DProc> fMapTexSubImage2D;
+        GrGLFunction<GrGLMultiDrawArraysIndirectProc> fMultiDrawArraysIndirect;
+        GrGLFunction<GrGLMultiDrawElementsIndirectProc> fMultiDrawElementsIndirect;
         GrGLFunction<GrGLPixelStoreiProc> fPixelStorei;
         GrGLFunction<GrGLPopGroupMarkerProc> fPopGroupMarker;
         GrGLFunction<GrGLPushGroupMarkerProc> fPushGroupMarker;
         GrGLFunction<GrGLQueryCounterProc> fQueryCounter;
         GrGLFunction<GrGLRasterSamplesProc> fRasterSamples;
         GrGLFunction<GrGLReadBufferProc> fReadBuffer;
         GrGLFunction<GrGLReadPixelsProc> fReadPixels;
         GrGLFunction<GrGLRenderbufferStorageProc> fRenderbufferStorage;
 
         //  On OpenGL ES there are multiple incompatible extensions that add support for MSAA
@@ skipping 97 matching lines @@
         GrGLFunction<GrGLStencilThenCoverFillPathInstancedProc> fStencilThenCoverFillPathInstanced;
         GrGLFunction<GrGLStencilThenCoverStrokePathInstancedProc> fStencilThenCoverStrokePathInstanced;
         // NV_path_rendering v1.3
         GrGLFunction<GrGLProgramPathFragmentInputGenProc> fProgramPathFragmentInputGen;
         // CHROMIUM_path_rendering
         GrGLFunction<GrGLBindFragmentInputLocationProc> fBindFragmentInputLocation;
 
         /* NV_framebuffer_mixed_samples */
         GrGLFunction<GrGLCoverageModulationProc> fCoverageModulation;
 
-        /* EXT_multi_draw_indirect */
-        GrGLFunction<GrGLMultiDrawArraysIndirectProc> fMultiDrawArraysIndirect;
-        GrGLFunction<GrGLMultiDrawElementsIndirectProc> fMultiDrawElementsIndirect;
-
         /* 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.
         GrGLFunction<GrGLGetTextureHandleProc> fGetTextureHandle;
         GrGLFunction<GrGLGetTextureSamplerHandleProc> fGetTextureSamplerHandle;
         GrGLFunction<GrGLMakeTextureHandleResidentProc> fMakeTextureHandleResident;
         GrGLFunction<GrGLMakeTextureHandleNonResidentProc> fMakeTextureHandleNonResident;
         GrGLFunction<GrGLGetImageHandleProc> fGetImageHandle;
         GrGLFunction<GrGLMakeImageHandleResidentProc> fMakeImageHandleResident;
         GrGLFunction<GrGLMakeImageHandleNonResidentProc> fMakeImageHandleNonResident;
@@ skipping 125 matching lines @@
         /* EGL functions */
         GrGLFunction<GrEGLCreateImageProc> fEGLCreateImage;
         GrGLFunction<GrEGLDestroyImageProc> fEGLDestroyImage;
     } fFunctions;
 
     // This exists for internal testing.
     virtual void abandon() const {}
 };
 
 #endif