diff options
Diffstat (limited to 'gpu/gl/GrGLAssembleInterface.cpp')
| -rw-r--r-- | gpu/gl/GrGLAssembleInterface.cpp | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/gpu/gl/GrGLAssembleInterface.cpp b/gpu/gl/GrGLAssembleInterface.cpp new file mode 100644 index 00000000..aed11e53 --- /dev/null +++ b/gpu/gl/GrGLAssembleInterface.cpp @@ -0,0 +1,289 @@ + +/* + * Copyright 2014 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + + +#include "GrGLAssembleInterface.h" +#include "GrGLUtil.h" + +#define GET_PROC(F) functions->f ## F = (GrGL ## F ## Proc) get(ctx, "gl" #F) +#define GET_PROC_SUFFIX(F, S) functions->f ## F = (GrGL ## F ## Proc) get(ctx, "gl" #F #S) +#define GET_PROC_LOCAL(F) GrGL ## F ## Proc F = (GrGL ## F ## Proc) get(ctx, "gl" #F) + +const GrGLInterface* GrGLAssembleGLInterface(void* ctx, GrGLGetProc get) { + GET_PROC_LOCAL(GetString); + GET_PROC_LOCAL(GetStringi); + GET_PROC_LOCAL(GetIntegerv); + + // GetStringi may be NULL depending on the GL version. + if (NULL == GetString || NULL == GetIntegerv) { + return NULL; + } + + const char* versionString = (const char*) GetString(GR_GL_VERSION); + GrGLVersion glVer = GrGLGetVersionFromString(versionString); + + if (glVer < GR_GL_VER(1,5) || GR_GL_INVALID_VER == glVer) { + // We must have array and element_array buffer objects. + return NULL; + } + + GrGLExtensions extensions; + if (!extensions.init(kGL_GrGLStandard, GetString, GetStringi, GetIntegerv)) { + return NULL; + } + + GrGLInterface* interface = SkNEW(GrGLInterface()); + GrGLInterface::Functions* functions = &interface->fFunctions; + + GET_PROC(ActiveTexture); + GET_PROC(AttachShader); + GET_PROC(BindAttribLocation); + GET_PROC(BindBuffer); + if (glVer >= GR_GL_VER(3,0)) { + GET_PROC(BindFragDataLocation); + } + GET_PROC(BeginQuery); + GET_PROC(BindTexture); + GET_PROC(BlendFunc); + + if (glVer >= GR_GL_VER(1,4) || + extensions.has("GL_ARB_imaging") || + extensions.has("GL_EXT_blend_color")) { + GET_PROC(BlendColor); + } + + GET_PROC(BufferData); + GET_PROC(BufferSubData); + GET_PROC(Clear); + GET_PROC(ClearColor); + GET_PROC(ClearStencil); + GET_PROC(ColorMask); + GET_PROC(CompileShader); + GET_PROC(CompressedTexImage2D); + GET_PROC(CopyTexSubImage2D); + GET_PROC(CreateProgram); + GET_PROC(CreateShader); + GET_PROC(CullFace); + GET_PROC(DeleteBuffers); + GET_PROC(DeleteProgram); + GET_PROC(DeleteQueries); + GET_PROC(DeleteShader); + GET_PROC(DeleteTextures); + GET_PROC(DepthMask); + GET_PROC(Disable); + GET_PROC(DisableVertexAttribArray); + GET_PROC(DrawArrays); + GET_PROC(DrawBuffer); + GET_PROC(DrawBuffers); + GET_PROC(DrawElements); + GET_PROC(Enable); + GET_PROC(EnableVertexAttribArray); + GET_PROC(EndQuery); + GET_PROC(Finish); + GET_PROC(Flush); + GET_PROC(FrontFace); + GET_PROC(GenBuffers); + GET_PROC(GenerateMipmap); + GET_PROC(GetBufferParameteriv); + GET_PROC(GetError); + GET_PROC(GetIntegerv); + GET_PROC(GetQueryObjectiv); + GET_PROC(GetQueryObjectuiv); + if (glVer >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) { + GET_PROC(GetQueryObjecti64v); + GET_PROC(GetQueryObjectui64v); + GET_PROC(QueryCounter); + } else if (extensions.has("GL_EXT_timer_query")) { + GET_PROC_SUFFIX(GetQueryObjecti64v, EXT); + GET_PROC_SUFFIX(GetQueryObjectui64v, EXT); + } + GET_PROC(GetQueryiv); + GET_PROC(GetProgramInfoLog); + GET_PROC(GetProgramiv); + GET_PROC(GetShaderInfoLog); + GET_PROC(GetShaderiv); + GET_PROC(GetString); + GET_PROC(GetStringi); + GET_PROC(GetTexLevelParameteriv); + GET_PROC(GenQueries); + GET_PROC(GenTextures); + GET_PROC(GetUniformLocation); + GET_PROC(LineWidth); + GET_PROC(LinkProgram); + GET_PROC(MapBuffer); + if (extensions.has("GL_EXT_direct_state_access")) { + GET_PROC_SUFFIX(MatrixLoadf, EXT); + GET_PROC_SUFFIX(MatrixLoadIdentity, EXT); + } + GET_PROC(PixelStorei); + GET_PROC(ReadBuffer); + GET_PROC(ReadPixels); + GET_PROC(Scissor); + GET_PROC(ShaderSource); + GET_PROC(StencilFunc); + GET_PROC(StencilFuncSeparate); + GET_PROC(StencilMask); + GET_PROC(StencilMaskSeparate); + GET_PROC(StencilOp); + GET_PROC(StencilOpSeparate); + GET_PROC(TexImage2D); + GET_PROC(TexParameteri); + GET_PROC(TexParameteriv); + if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) { + GET_PROC(TexStorage2D); + } else if (extensions.has("GL_EXT_texture_storage")) { + GET_PROC_SUFFIX(TexStorage2D, EXT); + } + GET_PROC(TexSubImage2D); + GET_PROC(Uniform1f); + GET_PROC(Uniform1i); + GET_PROC(Uniform1fv); + GET_PROC(Uniform1iv); + GET_PROC(Uniform2f); + GET_PROC(Uniform2i); + GET_PROC(Uniform2fv); + GET_PROC(Uniform2iv); + GET_PROC(Uniform3f); + GET_PROC(Uniform3i); + GET_PROC(Uniform3fv); + GET_PROC(Uniform3iv); + GET_PROC(Uniform4f); + GET_PROC(Uniform4i); + GET_PROC(Uniform4fv); + GET_PROC(Uniform4iv); + GET_PROC(UniformMatrix2fv); + GET_PROC(UniformMatrix3fv); + GET_PROC(UniformMatrix4fv); + GET_PROC(UnmapBuffer); + GET_PROC(UseProgram); + GET_PROC(VertexAttrib4fv); + GET_PROC(VertexAttribPointer); + GET_PROC(Viewport); + GET_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 + GET_PROC(BindVertexArray); + GET_PROC(GenVertexArrays); + GET_PROC(DeleteVertexArrays); + } + + // 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")) { + GET_PROC(GenFramebuffers); + GET_PROC(GetFramebufferAttachmentParameteriv); + GET_PROC(GetRenderbufferParameteriv); + GET_PROC(BindFramebuffer); + GET_PROC(FramebufferTexture2D); + GET_PROC(CheckFramebufferStatus); + GET_PROC(DeleteFramebuffers); + GET_PROC(RenderbufferStorage); + GET_PROC(GenRenderbuffers); + GET_PROC(DeleteRenderbuffers); + GET_PROC(FramebufferRenderbuffer); + GET_PROC(BindRenderbuffer); + GET_PROC(RenderbufferStorageMultisample); + GET_PROC(BlitFramebuffer); + } else if (extensions.has("GL_EXT_framebuffer_object")) { + GET_PROC_SUFFIX(GenFramebuffers, EXT); + GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); + GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); + GET_PROC_SUFFIX(BindFramebuffer, EXT); + GET_PROC_SUFFIX(FramebufferTexture2D, EXT); + GET_PROC_SUFFIX(CheckFramebufferStatus, EXT); + GET_PROC_SUFFIX(DeleteFramebuffers, EXT); + GET_PROC_SUFFIX(RenderbufferStorage, EXT); + GET_PROC_SUFFIX(GenRenderbuffers, EXT); + GET_PROC_SUFFIX(DeleteRenderbuffers, EXT); + GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); + GET_PROC_SUFFIX(BindRenderbuffer, EXT); + if (extensions.has("GL_EXT_framebuffer_multisample")) { + GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); + } + if (extensions.has("GL_EXT_framebuffer_blit")) { + GET_PROC_SUFFIX(BlitFramebuffer, EXT); + } + } else { + // we must have FBOs + delete interface; + return NULL; + } + + if (extensions.has("GL_NV_path_rendering")) { + GET_PROC_SUFFIX(PathCommands, NV); + GET_PROC_SUFFIX(PathCoords, NV); + GET_PROC_SUFFIX(PathSubCommands, NV); + GET_PROC_SUFFIX(PathSubCoords, NV); + GET_PROC_SUFFIX(PathString, NV); + GET_PROC_SUFFIX(PathGlyphs, NV); + GET_PROC_SUFFIX(PathGlyphRange, NV); + GET_PROC_SUFFIX(WeightPaths, NV); + GET_PROC_SUFFIX(CopyPath, NV); + GET_PROC_SUFFIX(InterpolatePaths, NV); + GET_PROC_SUFFIX(TransformPath, NV); + GET_PROC_SUFFIX(PathParameteriv, NV); + GET_PROC_SUFFIX(PathParameteri, NV); + GET_PROC_SUFFIX(PathParameterfv, NV); + GET_PROC_SUFFIX(PathParameterf, NV); + GET_PROC_SUFFIX(PathDashArray, NV); + GET_PROC_SUFFIX(GenPaths, NV); + GET_PROC_SUFFIX(DeletePaths, NV); + GET_PROC_SUFFIX(IsPath, NV); + GET_PROC_SUFFIX(PathStencilFunc, NV); + GET_PROC_SUFFIX(PathStencilDepthOffset, NV); + GET_PROC_SUFFIX(StencilFillPath, NV); + GET_PROC_SUFFIX(StencilStrokePath, NV); + GET_PROC_SUFFIX(StencilFillPathInstanced, NV); + GET_PROC_SUFFIX(StencilStrokePathInstanced, NV); + GET_PROC_SUFFIX(PathCoverDepthFunc, NV); + GET_PROC_SUFFIX(PathColorGen, NV); + GET_PROC_SUFFIX(PathTexGen, NV); + GET_PROC_SUFFIX(PathFogGen, NV); + GET_PROC_SUFFIX(CoverFillPath, NV); + GET_PROC_SUFFIX(CoverStrokePath, NV); + GET_PROC_SUFFIX(CoverFillPathInstanced, NV); + GET_PROC_SUFFIX(CoverStrokePathInstanced, NV); + GET_PROC_SUFFIX(GetPathParameteriv, NV); + GET_PROC_SUFFIX(GetPathParameterfv, NV); + GET_PROC_SUFFIX(GetPathCommands, NV); + GET_PROC_SUFFIX(GetPathCoords, NV); + GET_PROC_SUFFIX(GetPathDashArray, NV); + GET_PROC_SUFFIX(GetPathMetrics, NV); + GET_PROC_SUFFIX(GetPathMetricRange, NV); + GET_PROC_SUFFIX(GetPathSpacing, NV); + GET_PROC_SUFFIX(GetPathColorGeniv, NV); + GET_PROC_SUFFIX(GetPathColorGenfv, NV); + GET_PROC_SUFFIX(GetPathTexGeniv, NV); + GET_PROC_SUFFIX(GetPathTexGenfv, NV); + GET_PROC_SUFFIX(IsPointInFillPath, NV); + GET_PROC_SUFFIX(IsPointInStrokePath, NV); + GET_PROC_SUFFIX(GetPathLength, NV); + GET_PROC_SUFFIX(PointAlongPath, NV); + } + + if (extensions.has("GL_EXT_debug_marker")) { + GET_PROC_SUFFIX(InsertEventMarker, EXT); + GET_PROC_SUFFIX(PushGroupMarker, EXT); + GET_PROC_SUFFIX(PopGroupMarker, EXT); + } + + if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_invalidate_subdata")) { + GET_PROC(InvalidateBufferData); + GET_PROC(InvalidateBufferSubData); + GET_PROC(InvalidateFramebuffer); + GET_PROC(InvalidateSubFramebuffer); + GET_PROC(InvalidateTexImage); + GET_PROC(InvalidateTexSubImage); + } + + interface->fStandard = kGL_GrGLStandard; + interface->fExtensions.swap(&extensions); + + return interface; +} |