| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #include "gl/GrGLInterface.h" |
| #include "gl/GrGLExtensions.h" |
| #include "gl/GrGLUtil.h" |
| |
| #include <stdio.h> |
| |
| GrGLInterface::GrGLInterface() { |
| fStandard = kNone_GrGLStandard; |
| } |
| |
| #ifdef SK_DEBUG |
| static int kIsDebug = 1; |
| #else |
| static int kIsDebug = 0; |
| #endif |
| |
| #define RETURN_FALSE_INTERFACE \ |
| if (kIsDebug) { SkDebugf("%s:%d GrGLInterface::validate() failed.\n", __FILE__, __LINE__); } \ |
| return false; |
| |
| bool GrGLInterface::validate() const { |
| |
| if (kNone_GrGLStandard == fStandard) { |
| RETURN_FALSE_INTERFACE |
| } |
| |
| if (!fExtensions.isInitialized()) { |
| RETURN_FALSE_INTERFACE |
| } |
| |
| // functions that are always required |
| if (!fFunctions.fActiveTexture || |
| !fFunctions.fAttachShader || |
| !fFunctions.fBindAttribLocation || |
| !fFunctions.fBindBuffer || |
| !fFunctions.fBindTexture || |
| !fFunctions.fBlendColor || // -> GL >= 1.4 or extension, ES >= 2.0 |
| !fFunctions.fBlendEquation || // -> GL >= 1.4 or extension, ES >= 2.0 |
| !fFunctions.fBlendFunc || |
| !fFunctions.fBufferData || |
| !fFunctions.fBufferSubData || |
| !fFunctions.fClear || |
| !fFunctions.fClearColor || |
| !fFunctions.fClearStencil || |
| !fFunctions.fColorMask || |
| !fFunctions.fCompileShader || |
| !fFunctions.fCompressedTexImage2D || |
| !fFunctions.fCompressedTexSubImage2D || |
| !fFunctions.fCopyTexSubImage2D || |
| !fFunctions.fCreateProgram || |
| !fFunctions.fCreateShader || |
| !fFunctions.fCullFace || |
| !fFunctions.fDeleteBuffers || |
| !fFunctions.fDeleteProgram || |
| !fFunctions.fDeleteShader || |
| !fFunctions.fDeleteTextures || |
| !fFunctions.fDepthMask || |
| !fFunctions.fDisable || |
| !fFunctions.fDisableVertexAttribArray || |
| !fFunctions.fDrawArrays || |
| !fFunctions.fDrawElements || |
| !fFunctions.fEnable || |
| !fFunctions.fEnableVertexAttribArray || |
| !fFunctions.fFrontFace || |
| !fFunctions.fGenBuffers || |
| !fFunctions.fGenTextures || |
| !fFunctions.fGetBufferParameteriv || |
| !fFunctions.fGenerateMipmap || |
| !fFunctions.fGetError || |
| !fFunctions.fGetIntegerv || |
| !fFunctions.fGetProgramInfoLog || |
| !fFunctions.fGetProgramiv || |
| !fFunctions.fGetShaderInfoLog || |
| !fFunctions.fGetShaderiv || |
| !fFunctions.fGetString || |
| !fFunctions.fGetUniformLocation || |
| !fFunctions.fIsTexture || |
| !fFunctions.fLinkProgram || |
| !fFunctions.fLineWidth || |
| !fFunctions.fPixelStorei || |
| !fFunctions.fReadPixels || |
| !fFunctions.fScissor || |
| !fFunctions.fShaderSource || |
| !fFunctions.fStencilFunc || |
| !fFunctions.fStencilFuncSeparate || |
| !fFunctions.fStencilMask || |
| !fFunctions.fStencilMaskSeparate || |
| !fFunctions.fStencilOp || |
| !fFunctions.fStencilOpSeparate || |
| !fFunctions.fTexImage2D || |
| !fFunctions.fTexParameteri || |
| !fFunctions.fTexParameteriv || |
| !fFunctions.fTexSubImage2D || |
| !fFunctions.fUniform1f || |
| !fFunctions.fUniform1i || |
| !fFunctions.fUniform1fv || |
| !fFunctions.fUniform1iv || |
| !fFunctions.fUniform2f || |
| !fFunctions.fUniform2i || |
| !fFunctions.fUniform2fv || |
| !fFunctions.fUniform2iv || |
| !fFunctions.fUniform3f || |
| !fFunctions.fUniform3i || |
| !fFunctions.fUniform3fv || |
| !fFunctions.fUniform3iv || |
| !fFunctions.fUniform4f || |
| !fFunctions.fUniform4i || |
| !fFunctions.fUniform4fv || |
| !fFunctions.fUniform4iv || |
| !fFunctions.fUniformMatrix2fv || |
| !fFunctions.fUniformMatrix3fv || |
| !fFunctions.fUniformMatrix4fv || |
| !fFunctions.fUseProgram || |
| !fFunctions.fVertexAttrib1f || |
| !fFunctions.fVertexAttrib2fv || |
| !fFunctions.fVertexAttrib3fv || |
| !fFunctions.fVertexAttrib4fv || |
| !fFunctions.fVertexAttribPointer || |
| !fFunctions.fViewport || |
| !fFunctions.fBindFramebuffer || |
| !fFunctions.fBindRenderbuffer || |
| !fFunctions.fCheckFramebufferStatus || |
| !fFunctions.fDeleteFramebuffers || |
| !fFunctions.fDeleteRenderbuffers || |
| !fFunctions.fFinish || |
| !fFunctions.fFlush || |
| !fFunctions.fFramebufferRenderbuffer || |
| !fFunctions.fFramebufferTexture2D || |
| !fFunctions.fGetFramebufferAttachmentParameteriv || |
| !fFunctions.fGetRenderbufferParameteriv || |
| !fFunctions.fGenFramebuffers || |
| !fFunctions.fGenRenderbuffers || |
| !fFunctions.fRenderbufferStorage) { |
| RETURN_FALSE_INTERFACE |
| } |
| |
| GrGLVersion glVer = GrGLGetVersion(this); |
| if (GR_GL_INVALID_VER == glVer) { |
| RETURN_FALSE_INTERFACE |
| } |
| |
| // Now check that baseline ES/Desktop fns not covered above are present |
| // and that we have fn pointers for any advertised fExtensions that we will |
| // try to use. |
| |
| // these functions are part of ES2, we assume they are available |
| // On the desktop we assume they are available if the extension |
| // is present or GL version is high enough. |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3,0) && !fFunctions.fBindFragDataLocation) { |
| RETURN_FALSE_INTERFACE |
| } |
| |
| if (glVer >= GR_GL_VER(3,3) || |
| fExtensions.has("GL_ARB_timer_query") || |
| fExtensions.has("GL_EXT_timer_query")) { |
| if (!fFunctions.fGetQueryObjecti64v || |
| !fFunctions.fGetQueryObjectui64v) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| if (glVer >= GR_GL_VER(3,3) || fExtensions.has("GL_ARB_timer_query")) { |
| if (!fFunctions.fQueryCounter) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } |
| |
| // part of desktop GL, but not ES |
| if (kGL_GrGLStandard == fStandard && |
| (!fFunctions.fDrawBuffer || |
| !fFunctions.fPolygonMode)) { |
| RETURN_FALSE_INTERFACE |
| } |
| |
| // ES 3.0 (or ES 2.0 extended) has glDrawBuffers but not glDrawBuffer |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,0)) { |
| if (!fFunctions.fDrawBuffers) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,0)) { |
| if (!fFunctions.fReadBuffer) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| // glGetTexLevelParameteriv was added to ES in 3.1. |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,1)) { |
| if (!fFunctions.fGetTexLevelParameteriv) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| // GL_EXT_texture_storage is part of desktop 4.2 |
| // There is a desktop ARB extension and an ES+desktop EXT extension |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(4,2) || |
| fExtensions.has("GL_ARB_texture_storage") || |
| fExtensions.has("GL_EXT_texture_storage")) { |
| if (!fFunctions.fTexStorage2D) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } else if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_EXT_texture_storage")) { |
| if (!fFunctions.fTexStorage2D) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| // glTextureBarrier is part of desktop 4.5. There are also ARB and NV extensions. |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(4,5) || |
| fExtensions.has("GL_ARB_texture_barrier") || |
| fExtensions.has("GL_NV_texture_barrier")) { |
| if (!fFunctions.fTextureBarrier) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } else if (fExtensions.has("GL_NV_texture_barrier")) { |
| if (!fFunctions.fTextureBarrier) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (fExtensions.has("GL_KHR_blend_equation_advanced") || |
| fExtensions.has("GL_NV_blend_equation_advanced")) { |
| if (!fFunctions.fBlendBarrier) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (fExtensions.has("GL_EXT_discard_framebuffer")) { |
| if (!fFunctions.fDiscardFramebuffer) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| // Required since OpenGL 1.5 and ES 3.0 or with GL_EXT_occlusion_query_boolean |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,0) || |
| fExtensions.has("GL_EXT_occlusion_query_boolean")) { |
| #if 0 // Not yet added to chrome's bindings. |
| if (!fFunctions.fGenQueries || |
| !fFunctions.fDeleteQueries || |
| !fFunctions.fBeginQuery || |
| !fFunctions.fEndQuery || |
| !fFunctions.fGetQueryiv || |
| !fFunctions.fGetQueryObjectuiv) { |
| RETURN_FALSE_INTERFACE |
| } |
| #endif |
| } |
| // glGetQueryObjectiv doesn't exist in ES. |
| if (kGL_GrGLStandard == fStandard && !fFunctions.fGetQueryObjectiv) { |
| RETURN_FALSE_INTERFACE |
| } |
| |
| // FBO MSAA |
| if (kGL_GrGLStandard == fStandard) { |
| // GL 3.0 and the ARB extension have multisample + blit |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_ARB_framebuffer_object")) { |
| if (!fFunctions.fRenderbufferStorageMultisample || |
| !fFunctions.fBlitFramebuffer) { |
| RETURN_FALSE_INTERFACE |
| } |
| } else { |
| if (fExtensions.has("GL_EXT_framebuffer_blit") && |
| !fFunctions.fBlitFramebuffer) { |
| RETURN_FALSE_INTERFACE |
| } |
| if (fExtensions.has("GL_EXT_framebuffer_multisample") && |
| !fFunctions.fRenderbufferStorageMultisample) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } else { |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_CHROMIUM_framebuffer_multisample")) { |
| if (!fFunctions.fRenderbufferStorageMultisample || |
| !fFunctions.fBlitFramebuffer) { |
| RETURN_FALSE_INTERFACE |
| } |
| } else { |
| if (fExtensions.has("GL_ANGLE_framebuffer_multisample") && |
| !fFunctions.fRenderbufferStorageMultisample) { |
| RETURN_FALSE_INTERFACE |
| } |
| if (fExtensions.has("GL_ANGLE_framebuffer_blit") && |
| !fFunctions.fBlitFramebuffer) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| if (fExtensions.has("GL_APPLE_framebuffer_multisample")) { |
| if (!fFunctions.fRenderbufferStorageMultisampleES2APPLE || |
| !fFunctions.fResolveMultisampleFramebuffer) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| if (fExtensions.has("GL_IMG_multisampled_render_to_texture") || |
| fExtensions.has("GL_EXT_multisampled_render_to_texture")) { |
| if (!fFunctions.fRenderbufferStorageMultisampleES2EXT || |
| !fFunctions.fFramebufferTexture2DMultisample) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } |
| |
| // On ES buffer mapping is an extension. On Desktop |
| // buffer mapping was part of original VBO extension |
| // which we require. |
| if (kGL_GrGLStandard == fStandard || fExtensions.has("GL_OES_mapbuffer")) { |
| if (!fFunctions.fMapBuffer || |
| !fFunctions.fUnmapBuffer) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| // Dual source blending |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3,3) || fExtensions.has("GL_ARB_blend_func_extended")) { |
| if (!fFunctions.fBindFragDataLocationIndexed) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } else { |
| if (glVer >= GR_GL_VER(3,0) && fExtensions.has("GL_EXT_blend_func_extended")) { |
| if (!fFunctions.fBindFragDataLocation || |
| !fFunctions.fBindFragDataLocationIndexed) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } |
| |
| |
| // glGetStringi was added in version 3.0 of both desktop and ES. |
| if (glVer >= GR_GL_VER(3, 0)) { |
| if (!fFunctions.fGetStringi) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| // glVertexAttribIPointer was added in version 3.0 of both desktop and ES. |
| if (glVer >= GR_GL_VER(3, 0)) { |
| if (!fFunctions.fVertexAttribIPointer) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3,1)) { |
| if (!fFunctions.fTexBuffer) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| if (glVer >= GR_GL_VER(4,3)) { |
| if (!fFunctions.fTexBufferRange) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| } else { |
| if (glVer >= GR_GL_VER(3,2) || fExtensions.has("GL_OES_texture_buffer") || |
| fExtensions.has("GL_EXT_texture_buffer")) { |
| if (!fFunctions.fTexBuffer || |
| !fFunctions.fTexBufferRange) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| } |
| |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3, 0) || fExtensions.has("GL_ARB_vertex_array_object")) { |
| if (!fFunctions.fBindVertexArray || |
| !fFunctions.fDeleteVertexArrays || |
| !fFunctions.fGenVertexArrays) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } else { |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_OES_vertex_array_object")) { |
| if (!fFunctions.fBindVertexArray || |
| !fFunctions.fDeleteVertexArrays || |
| !fFunctions.fGenVertexArrays) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } |
| |
| if (fExtensions.has("GL_EXT_debug_marker")) { |
| if (!fFunctions.fInsertEventMarker || |
| !fFunctions.fPushGroupMarker || |
| !fFunctions.fPopGroupMarker) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if ((kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(4,3)) || |
| fExtensions.has("GL_ARB_invalidate_subdata")) { |
| if (!fFunctions.fInvalidateBufferData || |
| !fFunctions.fInvalidateBufferSubData || |
| !fFunctions.fInvalidateFramebuffer || |
| !fFunctions.fInvalidateSubFramebuffer || |
| !fFunctions.fInvalidateTexImage || |
| !fFunctions.fInvalidateTexSubImage) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } else if (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,0)) { |
| // ES 3.0 adds the framebuffer functions but not the others. |
| if (!fFunctions.fInvalidateFramebuffer || |
| !fFunctions.fInvalidateSubFramebuffer) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| |
| if (kGLES_GrGLStandard == fStandard && fExtensions.has("GL_CHROMIUM_map_sub")) { |
| if (!fFunctions.fMapBufferSubData || |
| !fFunctions.fMapTexSubImage2D || |
| !fFunctions.fUnmapBufferSubData || |
| !fFunctions.fUnmapTexSubImage2D) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| |
| // These functions are added to the 3.0 version of both GLES and GL. |
| if (glVer >= GR_GL_VER(3,0) || |
| (kGLES_GrGLStandard == fStandard && fExtensions.has("GL_EXT_map_buffer_range")) || |
| (kGL_GrGLStandard == fStandard && fExtensions.has("GL_ARB_map_buffer_range"))) { |
| if (!fFunctions.fMapBufferRange || |
| !fFunctions.fFlushMappedBufferRange) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| |
| if ((kGL_GrGLStandard == fStandard && |
| (glVer >= GR_GL_VER(3,2) || fExtensions.has("GL_ARB_texture_multisample"))) || |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1))) { |
| if (!fFunctions.fGetMultisamplefv) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if ((kGL_GrGLStandard == fStandard && |
| (glVer >= GR_GL_VER(4,3) || fExtensions.has("GL_ARB_program_interface_query"))) || |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1))) { |
| if (!fFunctions.fGetProgramResourceLocation) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (kGLES_GrGLStandard == fStandard || glVer >= GR_GL_VER(4,1) || |
| fExtensions.has("GL_ARB_ES2_compatibility")) { |
| if (!fFunctions.fGetShaderPrecisionFormat) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (fExtensions.has("GL_NV_path_rendering") || fExtensions.has("GL_CHROMIUM_path_rendering")) { |
| if (!fFunctions.fMatrixLoadf || |
| !fFunctions.fMatrixLoadIdentity || |
| !fFunctions.fPathCommands || |
| !fFunctions.fPathParameteri || |
| !fFunctions.fPathParameterf || |
| !fFunctions.fGenPaths || |
| !fFunctions.fDeletePaths || |
| !fFunctions.fIsPath || |
| !fFunctions.fPathStencilFunc || |
| !fFunctions.fStencilFillPath || |
| !fFunctions.fStencilStrokePath || |
| !fFunctions.fStencilFillPathInstanced || |
| !fFunctions.fStencilStrokePathInstanced || |
| !fFunctions.fCoverFillPath || |
| !fFunctions.fCoverStrokePath || |
| !fFunctions.fCoverFillPathInstanced || |
| !fFunctions.fCoverStrokePathInstanced |
| #if 0 |
| // List of functions that Skia uses, but which have been added since the initial release |
| // of NV_path_rendering driver. We do not want to fail interface validation due to |
| // missing features, we will just not use the extension. |
| // Update this list -> update GrGLCaps::hasPathRenderingSupport too. |
| || !fFunctions.fStencilThenCoverFillPath || |
| !fFunctions.fStencilThenCoverStrokePath || |
| !fFunctions.fStencilThenCoverFillPathInstanced || |
| !fFunctions.fStencilThenCoverStrokePathInstanced || |
| !fFunctions.fProgramPathFragmentInputGen |
| #endif |
| ) { |
| RETURN_FALSE_INTERFACE |
| } |
| if (fExtensions.has("GL_CHROMIUM_path_rendering")) { |
| if (!fFunctions.fBindFragmentInputLocation) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } |
| |
| if (fExtensions.has("GL_EXT_raster_multisample")) { |
| if (!fFunctions.fRasterSamples) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (fExtensions.has("GL_NV_framebuffer_mixed_samples") || |
| fExtensions.has("GL_CHROMIUM_framebuffer_mixed_samples")) { |
| if (!fFunctions.fCoverageModulation) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3,1) || |
| fExtensions.has("GL_EXT_draw_instanced") || fExtensions.has("GL_ARB_draw_instanced")) { |
| if (!fFunctions.fDrawArraysInstanced || |
| !fFunctions.fDrawElementsInstanced) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } else if (kGLES_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_EXT_draw_instanced")) { |
| if (!fFunctions.fDrawArraysInstanced || |
| !fFunctions.fDrawElementsInstanced) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } |
| |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3,2) || fExtensions.has("GL_ARB_instanced_arrays")) { |
| if (!fFunctions.fVertexAttribDivisor) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } else if (kGLES_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_EXT_instanced_arrays")) { |
| if (!fFunctions.fVertexAttribDivisor) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } |
| |
| if ((kGL_GrGLStandard == fStandard && |
| (glVer >= GR_GL_VER(4,0) || fExtensions.has("GL_ARB_draw_indirect"))) || |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1))) { |
| if (!fFunctions.fDrawArraysIndirect || |
| !fFunctions.fDrawElementsIndirect) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if ((kGL_GrGLStandard == fStandard && |
| (glVer >= GR_GL_VER(4,3) || fExtensions.has("GL_ARB_multi_draw_indirect"))) || |
| (kGLES_GrGLStandard == fStandard && fExtensions.has("GL_EXT_multi_draw_indirect"))) { |
| if (!fFunctions.fMultiDrawArraysIndirect || |
| !fFunctions.fMultiDrawElementsIndirect) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if ((kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(4,3)) || |
| fExtensions.has("GL_KHR_debug")) { |
| if (!fFunctions.fDebugMessageControl || |
| !fFunctions.fDebugMessageInsert || |
| !fFunctions.fDebugMessageCallback || |
| !fFunctions.fGetDebugMessageLog || |
| !fFunctions.fPushDebugGroup || |
| !fFunctions.fPopDebugGroup || |
| !fFunctions.fObjectLabel) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (fExtensions.has("GL_EXT_window_rectangles")) { |
| if (!fFunctions.fWindowRectangles) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if ((kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(4,0)) || |
| fExtensions.has("GL_ARB_sample_shading")) { |
| if (!fFunctions.fMinSampleShading) { |
| RETURN_FALSE_INTERFACE |
| } |
| } else if (kGLES_GrGLStandard == fStandard && fExtensions.has("GL_OES_sample_shading")) { |
| if (!fFunctions.fMinSampleShading) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3, 2) || fExtensions.has("GL_ARB_sync")) { |
| if (!fFunctions.fFenceSync || |
| !fFunctions.fIsSync || |
| !fFunctions.fClientWaitSync || |
| !fFunctions.fWaitSync || |
| !fFunctions.fDeleteSync) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } else if (kGLES_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3, 0) || fExtensions.has("GL_APPLE_sync")) { |
| if (!fFunctions.fFenceSync || |
| !fFunctions.fIsSync || |
| !fFunctions.fClientWaitSync || |
| !fFunctions.fWaitSync || |
| !fFunctions.fDeleteSync) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| } |
| |
| if (fExtensions.has("EGL_KHR_image") || fExtensions.has("EGL_KHR_image_base")) { |
| if (!fFunctions.fEGLCreateImage || |
| !fFunctions.fEGLDestroyImage) { |
| RETURN_FALSE_INTERFACE |
| } |
| } |
| |
| // glDrawRangeElements was added to ES in 3.0. |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,0)) { |
| if (!fFunctions.fDrawRangeElements) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| |
| // getInternalformativ was added in GL 4.2, ES 3.0, and with extension ARB_internalformat_query |
| if ((kGL_GrGLStandard == fStandard && |
| (glVer >= GR_GL_VER(4,2) || fExtensions.has("GL_ARB_internalformat_query"))) || |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,0))) { |
| if (!fFunctions.fGetInternalformativ) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| |
| if ((kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(4,1)) || |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,0))) { |
| if (!fFunctions.fGetProgramBinary || |
| !fFunctions.fProgramBinary || |
| !fFunctions.fProgramParameteri) { |
| RETURN_FALSE_INTERFACE; |
| } |
| } |
| |
| return true; |
| } |
