const GrGLInterface* GrGLCreateNativeInterface() {
    // The gl functions are not context-specific so we create one global
    // interface
    static SkAutoTUnref<GrGLInterface> glInterface;
    if (!glInterface.get()) {
        GrGLInterface* interface = new GrGLInterface;
        glInterface.reset(interface);
        const char* verStr = (const char*) glGetString(GL_VERSION);
        GrGLVersion ver = GrGLGetVersionFromString(verStr);
        const char* extStr = (const char*) glGetString(GL_EXTENSIONS);

        interface->fBindingsExported = kDesktop_GrGLBinding;
        interface->fActiveTexture = glActiveTexture;
        interface->fAttachShader = glAttachShader;
        interface->fBeginQuery = glBeginQuery;
        interface->fBindAttribLocation = glBindAttribLocation;
        interface->fBindBuffer = glBindBuffer;
        if (ver >= GR_GL_VER(3,0)) {
            #if GL_VERSION_3_0
                interface->fBindFragDataLocation = glBindFragDataLocation;
            #else
                interface->fBindFragDataLocation = GET_PROC(BindFragDataLocation);
            #endif
        }
        interface->fBindTexture = glBindTexture;
        interface->fBlendFunc = glBlendFunc;

        if (ver >= GR_GL_VER(1,4)) {
            interface->fBlendColor = glBlendColor;
        } else if (GrGLHasExtensionFromString("GL_ARB_imaging", extStr) ||
                   GrGLHasExtensionFromString("GL_EXT_blend_color", extStr)) {
            GET_PROC(BlendColor);
        }

        interface->fBufferData = glBufferData;
        interface->fBufferSubData = glBufferSubData;
        interface->fClear = glClear;
        interface->fClearColor = glClearColor;
        interface->fClearStencil = glClearStencil;
        interface->fColorMask = glColorMask;
        interface->fCompileShader = glCompileShader;
        interface->fCompressedTexImage2D = glCompressedTexImage2D;
        interface->fCreateProgram = glCreateProgram;
        interface->fCreateShader = glCreateShader;
        interface->fCullFace = glCullFace;
        interface->fDeleteBuffers = glDeleteBuffers;
        interface->fDeleteProgram = glDeleteProgram;
        interface->fDeleteQueries = glDeleteQueries;
        interface->fDeleteShader = glDeleteShader;
        interface->fDeleteTextures = glDeleteTextures;
        interface->fDepthMask = glDepthMask;
        interface->fDisable = glDisable;
        interface->fDisableVertexAttribArray =
                                            glDisableVertexAttribArray;
        interface->fDrawArrays = glDrawArrays;
        interface->fDrawBuffer = glDrawBuffer;
        interface->fDrawBuffers = glDrawBuffers;
        interface->fDrawElements = glDrawElements;
        interface->fEnable = glEnable;
        interface->fEnableVertexAttribArray = glEnableVertexAttribArray;
        interface->fEndQuery = glEndQuery;
        interface->fFinish = glFinish;
        interface->fFlush = glFlush;
        interface->fFrontFace = glFrontFace;
        interface->fGenBuffers = glGenBuffers;
        interface->fGenQueries = glGenQueries;
        interface->fGetBufferParameteriv = glGetBufferParameteriv;
        interface->fGetError = glGetError;
        interface->fGetIntegerv = glGetIntegerv;
        interface->fGetProgramInfoLog = glGetProgramInfoLog;
        interface->fGetProgramiv = glGetProgramiv;
        interface->fGetQueryiv = glGetQueryiv;
        interface->fGetQueryObjectiv = glGetQueryObjectiv;
        interface->fGetQueryObjectuiv = glGetQueryObjectuiv;
        interface->fGetShaderInfoLog = glGetShaderInfoLog;
        interface->fGetShaderiv = glGetShaderiv;
        interface->fGetString = glGetString;
        interface->fGetTexLevelParameteriv = glGetTexLevelParameteriv;
        interface->fGenTextures = glGenTextures;
        interface->fGetUniformLocation = glGetUniformLocation;
        interface->fLineWidth = glLineWidth;
        interface->fLinkProgram = glLinkProgram;
        interface->fMapBuffer = glMapBuffer;
        interface->fPixelStorei = glPixelStorei;
        interface->fReadBuffer = glReadBuffer;
        interface->fReadPixels = glReadPixels;
        interface->fScissor = glScissor;
        interface->fShaderSource = glShaderSource;
        interface->fStencilFunc = glStencilFunc;
        interface->fStencilFuncSeparate = glStencilFuncSeparate;
        interface->fStencilMask = glStencilMask;
        interface->fStencilMaskSeparate = glStencilMaskSeparate;
        interface->fStencilOp = glStencilOp;
        interface->fStencilOpSeparate = glStencilOpSeparate;
        // mac uses GLenum for internalFormat param (non-standard)
        // amounts to int vs. uint.
        interface->fTexImage2D = (GrGLTexImage2DProc)glTexImage2D;
        interface->fTexParameteri = glTexParameteri;
        interface->fTexParameteriv = glTexParameteriv;
    #if GL_ARB_texture_storage || GL_VERSION_4_2
        interface->fTexStorage2D = glTexStorage2D
    #elif GL_EXT_texture_storage
        interface->fTexStorage2D = glTexStorage2DEXT;
    #else
        if (ver >= GR_GL_VER(4,2) ||
            GrGLHasExtensionFromString("GL_ARB_texture_storage", extStr)) {
            GET_PROC(TexStorage2D);
        } else if (GrGLHasExtensionFromString("GL_EXT_texture_storage", extStr)) {
            GET_PROC_SUFFIX(TexStorage2D, EXT);
        }
    #endif
        interface->fTexSubImage2D = glTexSubImage2D;
        interface->fUniform1f = glUniform1f;
        interface->fUniform1i = glUniform1i;
        interface->fUniform1fv = glUniform1fv;
        interface->fUniform1iv = glUniform1iv;
        interface->fUniform2f = glUniform2f;
        interface->fUniform2i = glUniform2i;
        interface->fUniform2fv = glUniform2fv;
        interface->fUniform2iv = glUniform2iv;
        interface->fUniform3f = glUniform3f;
        interface->fUniform3i = glUniform3i;
        interface->fUniform3fv = glUniform3fv;
        interface->fUniform3iv = glUniform3iv;
        interface->fUniform4f = glUniform4f;
        interface->fUniform4i = glUniform4i;
        interface->fUniform4fv = glUniform4fv;
        interface->fUniform4iv = glUniform4iv;
        interface->fUniform4fv = glUniform4fv;
        interface->fUniformMatrix2fv = glUniformMatrix2fv;
        interface->fUniformMatrix3fv = glUniformMatrix3fv;
        interface->fUniformMatrix4fv = glUniformMatrix4fv;
        interface->fUnmapBuffer = glUnmapBuffer;
        interface->fUseProgram = glUseProgram;
        interface->fVertexAttrib4fv = glVertexAttrib4fv;
        interface->fVertexAttribPointer = glVertexAttribPointer;
        interface->fViewport = glViewport;

        if (ver >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_timer_query", extStr)) {
            // ARB extension doesn't use the ARB suffix on the function name
            #if GL_ARB_timer_query || GL_VERSION_3_3
                interface->fQueryCounter = glQueryCounter;
                interface->fGetQueryObjecti64v = glGetQueryObjecti64v;
                interface->fGetQueryObjectui64v = glGetQueryObjectui64v;
            #else
                interface->fQueryCounter = GET_PROC(QueryCounter);
                interface->fGetQueryObjecti64v = GET_PROC(GetQueryObjecti64v);
                interface->fGetQueryObjectui64v = GET_PROC(GetQueryObjectui64v);
            #endif
        } else if (GrGLHasExtensionFromString("GL_EXT_timer_query", extStr)) {
            #if GL_EXT_timer_query
                interface->fGetQueryObjecti64v = glGetQueryObjecti64vEXT;
                interface->fGetQueryObjectui64v = glGetQueryObjectui64vEXT;
            #else
                interface->fGetQueryObjecti64v = GET_PROC_SUFFIX(GetQueryObjecti64v, EXT);
                interface->fGetQueryObjectui64v = GET_PROC_SUFFIX(GetQueryObjectui64v, EXT);
            #endif
        }

        if (ver >= GR_GL_VER(3,0) || GrGLHasExtensionFromString("GL_ARB_framebuffer_object", extStr)) {
            // ARB extension doesn't use the ARB suffix on the function names
            #if GL_VERSION_3_0 || GL_ARB_framebuffer_object
                interface->fGenFramebuffers = glGenFramebuffers;
                interface->fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameteriv;
                interface->fGetRenderbufferParameteriv = glGetRenderbufferParameteriv;
                interface->fBindFramebuffer = glBindFramebuffer;
                interface->fFramebufferTexture2D = glFramebufferTexture2D;
                interface->fCheckFramebufferStatus = glCheckFramebufferStatus;
                interface->fDeleteFramebuffers = glDeleteFramebuffers;
                interface->fRenderbufferStorage = glRenderbufferStorage;
                interface->fGenRenderbuffers = glGenRenderbuffers;
                interface->fDeleteRenderbuffers = glDeleteRenderbuffers;
                interface->fFramebufferRenderbuffer = glFramebufferRenderbuffer;
                interface->fBindRenderbuffer = glBindRenderbuffer;
                interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisample;
                interface->fBlitFramebuffer = glBlitFramebuffer;
            #else
                interface->fGenFramebuffers = GET_PROC(GenFramebuffers);
                interface->fGetFramebufferAttachmentParameteriv = GET_PROC(GetFramebufferAttachmentParameteriv);
                interface->fGetRenderbufferParameteriv = GET_PROC(GetRenderbufferParameteriv);
                interface->fBindFramebuffer = GET_PROC(BindFramebuffer);
                interface->fFramebufferTexture2D = GET_PROC(FramebufferTexture2D);
                interface->fCheckFramebufferStatus = GET_PROC(CheckFramebufferStatus);
                interface->fDeleteFramebuffers = GET_PROC(DeleteFramebuffers);
                interface->fRenderbufferStorage = GET_PROC(RenderbufferStorage);
                interface->fGenRenderbuffers = GET_PROC(GenRenderbuffers);
                interface->fDeleteRenderbuffers = GET_PROC(DeleteRenderbuffers);
                interface->fFramebufferRenderbuffer = GET_PROC(FramebufferRenderbuffer);
                interface->fBindRenderbuffer = GET_PROC(BindRenderbuffer);
                interface->fRenderbufferStorageMultisample = GET_PROC(RenderbufferStorageMultisample);
                interface->fBlitFramebuffer = GET_PROC(BlitFramebuffer);
            #endif
        } else {
            if (GrGLHasExtensionFromString("GL_EXT_framebuffer_object", extStr)) {
                #if GL_EXT_framebuffer_object
                    interface->fGenFramebuffers = glGenFramebuffersEXT;
                    interface->fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameterivEXT;
                    interface->fGetRenderbufferParameteriv = glGetRenderbufferParameterivEXT;
                    interface->fBindFramebuffer = glBindFramebufferEXT;
                    interface->fFramebufferTexture2D = glFramebufferTexture2DEXT;
                    interface->fCheckFramebufferStatus = glCheckFramebufferStatusEXT;
                    interface->fDeleteFramebuffers = glDeleteFramebuffersEXT;
                    interface->fRenderbufferStorage = glRenderbufferStorageEXT;
                    interface->fGenRenderbuffers = glGenRenderbuffersEXT;
                    interface->fDeleteRenderbuffers = glDeleteRenderbuffersEXT;
                    interface->fFramebufferRenderbuffer = glFramebufferRenderbufferEXT;
                    interface->fBindRenderbuffer = glBindRenderbufferEXT;
                #else
                    interface->fGenFramebuffers = GET_PROC_SUFFIX(GenFramebuffers, EXT);
                    interface->fGetFramebufferAttachmentParameteriv = GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT);
                    interface->fGetRenderbufferParameteriv = GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT);
                    interface->fBindFramebuffer = GET_PROC_SUFFIX(BindFramebuffer, EXT);
                    interface->fFramebufferTexture2D = GET_PROC_SUFFIX(FramebufferTexture2D, EXT);
                    interface->fCheckFramebufferStatus = GET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
                    interface->fDeleteFramebuffers = GET_PROC_SUFFIX(DeleteFramebuffers, EXT);
                    interface->fRenderbufferStorage = GET_PROC_SUFFIX(RenderbufferStorage, EXT);
                    interface->fGenRenderbuffers = GET_PROC_SUFFIX(GenRenderbuffers, EXT);
                    interface->fDeleteRenderbuffers = GET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
                    interface->fFramebufferRenderbuffer = GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
                    interface->fBindRenderbuffer = GET_PROC_SUFFIX(BindRenderbuffer, EXT);
                #endif
            }
            if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample", extStr)) {
                #if GL_EXT_framebuffer_multisample
                    interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisampleEXT;
                #else
                    interface->fRenderbufferStorageMultisample = GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
                #endif
            }
            if (GrGLHasExtensionFromString("", extStr)) {
                #if GL_EXT_framebuffer_blit
                    interface->fBlitFramebuffer = glBlitFramebufferEXT;
                #else
                    interface->fBlitFramebuffer = GET_PROC_SUFFIX(BlitFramebuffer, EXT);
                #endif
            }
        }
        if (ver >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_blend_func_extended", extStr)) {
            // ARB extension doesn't use the ARB suffix on the function name
            #if GL_VERSION_3_3 || GL_ARB_blend_func_extended
                interface->fBindFragDataLocationIndexed = glBindFragDataLocationIndexed;
            #else
                interface->fBindFragDataLocationIndexed = GET_PROC(BindFragDataLocationIndexed);
            #endif
        }

        interface->fBindingsExported = kDesktop_GrGLBinding;
    }
    glInterface.get()->ref();
    return glInterface.get();
}
Esempio n. 2
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const GrGLInterface* GrGLAssembleGLInterface(void* ctx, GrGLGetProc get) {
    GET_PROC_LOCAL(GetString);
    GET_PROC_LOCAL(GetStringi);
    GET_PROC_LOCAL(GetIntegerv);

    // GetStringi may be nullptr depending on the GL version.
    if (nullptr == GetString || nullptr == GetIntegerv) {
        return nullptr;
    }

    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 nullptr;
    }

    GrEGLQueryStringProc queryString;
    GrEGLDisplay display;
    get_egl_query_and_display(&queryString, &display, ctx, get);
    GrGLExtensions extensions;
    if (!extensions.init(kGL_GrGLStandard, GetString, GetStringi, GetIntegerv, queryString,
                         display)) {
        return nullptr;
    }

    GrGLInterface* interface = new 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);

    if (extensions.has("GL_KHR_blend_equation_advanced")) {
        GET_PROC_SUFFIX(BlendBarrier, KHR);
    } else if (extensions.has("GL_NV_blend_equation_advanced")) {
        GET_PROC_SUFFIX(BlendBarrier, NV);
    }

    if (glVer >= GR_GL_VER(1,4) ||
        extensions.has("GL_ARB_imaging")) {
        GET_PROC(BlendColor);
    } else if (extensions.has("GL_EXT_blend_color")) {
        GET_PROC_SUFFIX(BlendColor, EXT);
    }

    if (glVer >= GR_GL_VER(1,4) ||
        extensions.has("GL_ARB_imaging")) {
        GET_PROC(BlendEquation);
    } else if (extensions.has("GL_EXT_blend_subtract")) {
        GET_PROC_SUFFIX(BlendEquation, EXT);
    }

    GET_PROC(BlendFunc);
    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(CompressedTexSubImage2D);
    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);

    if (glVer >= GR_GL_VER(3,1) || extensions.has("GL_ARB_draw_instanced") ||
        extensions.has("GL_EXT_draw_instanced")) {
        GET_PROC(DrawArraysInstanced);
        GET_PROC(DrawElementsInstanced);
    }

    if (glVer >= GR_GL_VER(4,0)) {
        // We don't use ARB_draw_indirect because it does not support a base instance.
        GET_PROC(DrawArraysIndirect);
        GET_PROC(DrawElementsIndirect);
    }

    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(GetShaderPrecisionFormat);
    GET_PROC(GetTexLevelParameteriv);
    GET_PROC(GenQueries);
    GET_PROC(GenTextures);
    GET_PROC(GetUniformLocation);
    GET_PROC(IsTexture);
    GET_PROC(LineWidth);
    GET_PROC(LinkProgram);
    GET_PROC(MapBuffer);
    GET_PROC(PixelStorei);
    if (extensions.has("GL_EXT_raster_multisample")) {
        GET_PROC_SUFFIX(RasterSamples, EXT);
    }
    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);
    if (glVer >= GR_GL_VER(4,5) || extensions.has("GL_ARB_texture_barrier")) {
        GET_PROC(TextureBarrier);
    } else if (extensions.has("GL_NV_texture_barrier")) {
        GET_PROC_SUFFIX(TextureBarrier, NV);
    }
    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(VertexAttrib1f);
    GET_PROC(VertexAttrib2fv);
    GET_PROC(VertexAttrib3fv);
    GET_PROC(VertexAttrib4fv);

    if (glVer >= GR_GL_VER(3,2) || extensions.has("GL_ARB_instanced_arrays")) {
        GET_PROC(VertexAttribDivisor);
    }

    if (glVer >= GR_GL_VER(3,0)) {
        GET_PROC(VertexAttribIPointer);
    }

    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);
    } else if (extensions.has("GL_APPLE_vertex_array_object")) {
        GET_PROC_SUFFIX(BindVertexArray, APPLE);
        GET_PROC_SUFFIX(GenVertexArrays, APPLE);
        GET_PROC_SUFFIX(DeleteVertexArrays, APPLE);
    }

    if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_map_buffer_range")) {
        GET_PROC(MapBufferRange);
        GET_PROC(FlushMappedBufferRange);
    }

    // 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 nullptr;
    }

    if (extensions.has("GL_NV_path_rendering")) {
        GET_PROC_SUFFIX(MatrixLoadf, EXT);
        GET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
        GET_PROC_SUFFIX(PathCommands, NV);
        GET_PROC_SUFFIX(PathParameteri, NV);
        GET_PROC_SUFFIX(PathParameterf, NV);
        GET_PROC_SUFFIX(GenPaths, NV);
        GET_PROC_SUFFIX(DeletePaths, NV);
        GET_PROC_SUFFIX(IsPath, NV);
        GET_PROC_SUFFIX(PathStencilFunc, NV);
        GET_PROC_SUFFIX(StencilFillPath, NV);
        GET_PROC_SUFFIX(StencilStrokePath, NV);
        GET_PROC_SUFFIX(StencilFillPathInstanced, NV);
        GET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
        GET_PROC_SUFFIX(CoverFillPath, NV);
        GET_PROC_SUFFIX(CoverStrokePath, NV);
        GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
        GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
        GET_PROC_SUFFIX(StencilThenCoverFillPath, NV);
        GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV);
        GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV);
        GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV);
        GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV);
    }

    if (extensions.has("GL_NV_framebuffer_mixed_samples")) {
        GET_PROC_SUFFIX(CoverageModulation, 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);
    }

    if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_program_interface_query")) {
        GET_PROC(GetProgramResourceLocation);
    }

    if (glVer >= GR_GL_VER(4,3)) {
        // We don't use ARB_multi_draw_indirect because it does not support GL_DRAW_INDIRECT_BUFFER.
        GET_PROC(MultiDrawArraysIndirect);
        GET_PROC(MultiDrawElementsIndirect);
    }

    if (extensions.has("GL_NV_bindless_texture")) {
        GET_PROC_SUFFIX(GetTextureHandle, NV);
        GET_PROC_SUFFIX(GetTextureSamplerHandle, NV);
        GET_PROC_SUFFIX(MakeTextureHandleResident, NV);
        GET_PROC_SUFFIX(MakeTextureHandleNonResident, NV);
        GET_PROC_SUFFIX(GetImageHandle, NV);
        GET_PROC_SUFFIX(MakeImageHandleResident, NV);
        GET_PROC_SUFFIX(MakeImageHandleNonResident, NV);
        GET_PROC_SUFFIX(IsTextureHandleResident, NV);
        GET_PROC_SUFFIX(IsImageHandleResident, NV);
        GET_PROC_SUFFIX(UniformHandleui64, NV);
        GET_PROC_SUFFIX(UniformHandleui64v, NV);
        GET_PROC_SUFFIX(ProgramUniformHandleui64, NV);
        GET_PROC_SUFFIX(ProgramUniformHandleui64v, NV);
    }

    if (extensions.has("GL_EXT_direct_state_access")) {
        GET_PROC_SUFFIX(TextureParameteri, EXT);
        GET_PROC_SUFFIX(TextureParameteriv, EXT);
        GET_PROC_SUFFIX(TextureParameterf, EXT);
        GET_PROC_SUFFIX(TextureParameterfv, EXT);
        GET_PROC_SUFFIX(TextureImage1D, EXT);
        GET_PROC_SUFFIX(TextureImage2D, EXT);
        GET_PROC_SUFFIX(TextureSubImage1D, EXT);
        GET_PROC_SUFFIX(TextureSubImage2D, EXT);
        GET_PROC_SUFFIX(CopyTextureImage1D, EXT);
        GET_PROC_SUFFIX(CopyTextureImage2D, EXT);
        GET_PROC_SUFFIX(CopyTextureSubImage1D, EXT);
        GET_PROC_SUFFIX(CopyTextureSubImage2D, EXT);
        GET_PROC_SUFFIX(GetTextureImage, EXT);
        GET_PROC_SUFFIX(GetTextureParameterfv, EXT);
        GET_PROC_SUFFIX(GetTextureParameteriv, EXT);
        GET_PROC_SUFFIX(GetTextureLevelParameterfv, EXT);
        GET_PROC_SUFFIX(GetTextureLevelParameteriv, EXT);
        if (glVer >= GR_GL_VER(1,2)) {
            GET_PROC_SUFFIX(TextureImage3D, EXT);
            GET_PROC_SUFFIX(TextureSubImage3D, EXT);
            GET_PROC_SUFFIX(CopyTextureSubImage3D, EXT);
            GET_PROC_SUFFIX(CompressedTextureImage3D, EXT);
            GET_PROC_SUFFIX(CompressedTextureImage2D, EXT);
            GET_PROC_SUFFIX(CompressedTextureImage1D, EXT);
            GET_PROC_SUFFIX(CompressedTextureSubImage3D, EXT);
            GET_PROC_SUFFIX(CompressedTextureSubImage2D, EXT);
            GET_PROC_SUFFIX(CompressedTextureSubImage1D, EXT);
            GET_PROC_SUFFIX(GetCompressedTextureImage, EXT);
        }
        if (glVer >= GR_GL_VER(1,5)) {
            GET_PROC_SUFFIX(NamedBufferData, EXT);
            GET_PROC_SUFFIX(NamedBufferSubData, EXT);
            GET_PROC_SUFFIX(MapNamedBuffer, EXT);
            GET_PROC_SUFFIX(UnmapNamedBuffer, EXT);
            GET_PROC_SUFFIX(GetNamedBufferParameteriv, EXT);
            GET_PROC_SUFFIX(GetNamedBufferPointerv, EXT);
            GET_PROC_SUFFIX(GetNamedBufferSubData, EXT);
        }
        if (glVer >= GR_GL_VER(2,0)) {
            GET_PROC_SUFFIX(ProgramUniform1f, EXT);
            GET_PROC_SUFFIX(ProgramUniform2f, EXT);
            GET_PROC_SUFFIX(ProgramUniform3f, EXT);
            GET_PROC_SUFFIX(ProgramUniform4f, EXT);
            GET_PROC_SUFFIX(ProgramUniform1i, EXT);
            GET_PROC_SUFFIX(ProgramUniform2i, EXT);
            GET_PROC_SUFFIX(ProgramUniform3i, EXT);
            GET_PROC_SUFFIX(ProgramUniform4i, EXT);
            GET_PROC_SUFFIX(ProgramUniform1fv, EXT);
            GET_PROC_SUFFIX(ProgramUniform2fv, EXT);
            GET_PROC_SUFFIX(ProgramUniform3fv, EXT);
            GET_PROC_SUFFIX(ProgramUniform4fv, EXT);
            GET_PROC_SUFFIX(ProgramUniform1iv, EXT);
            GET_PROC_SUFFIX(ProgramUniform2iv, EXT);
            GET_PROC_SUFFIX(ProgramUniform3iv, EXT);
            GET_PROC_SUFFIX(ProgramUniform4iv, EXT);
            GET_PROC_SUFFIX(ProgramUniformMatrix2fv, EXT);
            GET_PROC_SUFFIX(ProgramUniformMatrix3fv, EXT);
            GET_PROC_SUFFIX(ProgramUniformMatrix4fv, EXT);
        }
        if (glVer >= GR_GL_VER(2,1)) {
            GET_PROC_SUFFIX(ProgramUniformMatrix2x3fv, EXT);
            GET_PROC_SUFFIX(ProgramUniformMatrix3x2fv, EXT);
            GET_PROC_SUFFIX(ProgramUniformMatrix2x4fv, EXT);
            GET_PROC_SUFFIX(ProgramUniformMatrix4x2fv, EXT);
            GET_PROC_SUFFIX(ProgramUniformMatrix3x4fv, EXT);
            GET_PROC_SUFFIX(ProgramUniformMatrix4x3fv, EXT);
        }
        if (glVer >= GR_GL_VER(3,0)) {
            GET_PROC_SUFFIX(NamedRenderbufferStorage, EXT);
            GET_PROC_SUFFIX(GetNamedRenderbufferParameteriv, EXT);
            GET_PROC_SUFFIX(NamedRenderbufferStorageMultisample, EXT);
            GET_PROC_SUFFIX(CheckNamedFramebufferStatus, EXT);
            GET_PROC_SUFFIX(NamedFramebufferTexture1D, EXT);
            GET_PROC_SUFFIX(NamedFramebufferTexture2D, EXT);
            GET_PROC_SUFFIX(NamedFramebufferTexture3D, EXT);
            GET_PROC_SUFFIX(NamedFramebufferRenderbuffer, EXT);
            GET_PROC_SUFFIX(GetNamedFramebufferAttachmentParameteriv, EXT);
            GET_PROC_SUFFIX(GenerateTextureMipmap, EXT);
            GET_PROC_SUFFIX(FramebufferDrawBuffer, EXT);
            GET_PROC_SUFFIX(FramebufferDrawBuffers, EXT);
            GET_PROC_SUFFIX(FramebufferReadBuffer, EXT);
            GET_PROC_SUFFIX(GetFramebufferParameteriv, EXT);
            GET_PROC_SUFFIX(NamedCopyBufferSubData, EXT);
            GET_PROC_SUFFIX(VertexArrayVertexOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayColorOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayEdgeFlagOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayIndexOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayNormalOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayTexCoordOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayMultiTexCoordOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayFogCoordOffset, EXT);
            GET_PROC_SUFFIX(VertexArraySecondaryColorOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayVertexAttribOffset, EXT);
            GET_PROC_SUFFIX(VertexArrayVertexAttribIOffset, EXT);
            GET_PROC_SUFFIX(EnableVertexArray, EXT);
            GET_PROC_SUFFIX(DisableVertexArray, EXT);
            GET_PROC_SUFFIX(EnableVertexArrayAttrib, EXT);
            GET_PROC_SUFFIX(DisableVertexArrayAttrib, EXT);
            GET_PROC_SUFFIX(GetVertexArrayIntegerv, EXT);
            GET_PROC_SUFFIX(GetVertexArrayPointerv, EXT);
            GET_PROC_SUFFIX(GetVertexArrayIntegeri_v, EXT);
            GET_PROC_SUFFIX(GetVertexArrayPointeri_v, EXT);
            GET_PROC_SUFFIX(MapNamedBufferRange, EXT);
            GET_PROC_SUFFIX(FlushMappedNamedBufferRange, EXT);
        }
    }

    if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_KHR_debug")) {
        // KHR_debug defines these methods to have no suffix in an OpenGL (not ES) context.
        GET_PROC(DebugMessageControl);
        GET_PROC(DebugMessageInsert);
        GET_PROC(DebugMessageCallback);
        GET_PROC(GetDebugMessageLog);
        GET_PROC(PushDebugGroup);
        GET_PROC(PopDebugGroup);
        GET_PROC(ObjectLabel);
    }

    if (extensions.has("EGL_KHR_image") || extensions.has("EGL_KHR_image_base")) {
        GET_EGL_PROC_SUFFIX(CreateImage, KHR);
        GET_EGL_PROC_SUFFIX(DestroyImage, KHR);
    }

    interface->fStandard = kGL_GrGLStandard;
    interface->fExtensions.swap(&extensions);

    return interface;
}
Esempio n. 3
0
const GrGLInterface* GrGLAssembleGLESInterface(void* ctx, GrGLGetProc get) {
    GET_PROC_LOCAL(GetString);
    if (nullptr == GetString) {
        return nullptr;
    }

    const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION));
    GrGLVersion version = GrGLGetVersionFromString(verStr);

    if (version < GR_GL_VER(2,0)) {
        return nullptr;
    }

    GET_PROC_LOCAL(GetIntegerv);
    GET_PROC_LOCAL(GetStringi);
    GrEGLQueryStringProc queryString;
    GrEGLDisplay display;
    get_egl_query_and_display(&queryString, &display, ctx, get);
    GrGLExtensions extensions;
    if (!extensions.init(kGLES_GrGLStandard, GetString, GetStringi, GetIntegerv, queryString,
                         display)) {
        return nullptr;
    }

    GrGLInterface* interface = new GrGLInterface;
    GrGLInterface::Functions* functions = &interface->fFunctions;

    GET_PROC(ActiveTexture);
    GET_PROC(AttachShader);
    GET_PROC(BindAttribLocation);
    GET_PROC(BindBuffer);
    GET_PROC(BindTexture);
    GET_PROC_SUFFIX(BindVertexArray, OES);

    if (version >= GR_GL_VER(3,0) && extensions.has("GL_EXT_blend_func_extended")) {
        GET_PROC_SUFFIX(BindFragDataLocation, EXT);
        GET_PROC_SUFFIX(BindFragDataLocationIndexed, EXT);
    }

    if (extensions.has("GL_KHR_blend_equation_advanced")) {
        GET_PROC_SUFFIX(BlendBarrier, KHR);
    } else if (extensions.has("GL_NV_blend_equation_advanced")) {
        GET_PROC_SUFFIX(BlendBarrier, NV);
    }

    GET_PROC(BlendColor);
    GET_PROC(BlendEquation);
    GET_PROC(BlendFunc);
    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(CompressedTexSubImage2D);
    GET_PROC(CopyTexSubImage2D);
    GET_PROC(CreateProgram);
    GET_PROC(CreateShader);
    GET_PROC(CullFace);
    GET_PROC(DeleteBuffers);
    GET_PROC(DeleteProgram);
    GET_PROC(DeleteShader);
    GET_PROC(DeleteTextures);
    GET_PROC_SUFFIX(DeleteVertexArrays, OES);
    GET_PROC(DepthMask);
    GET_PROC(Disable);
    GET_PROC(DisableVertexAttribArray);
    GET_PROC(DrawArrays);

    if (version >= GR_GL_VER(3,0)) {
        GET_PROC(DrawArraysInstanced);
        GET_PROC(DrawElementsInstanced);
    } else if (extensions.has("GL_EXT_draw_instanced")) {
        GET_PROC_SUFFIX(DrawArraysInstanced, EXT);
        GET_PROC_SUFFIX(DrawElementsInstanced, EXT);
    }

    if (version >= GR_GL_VER(3,1)) {
        GET_PROC(DrawArraysIndirect);
        GET_PROC(DrawElementsIndirect);
    }

    GET_PROC(DrawElements);
    GET_PROC(Enable);
    GET_PROC(EnableVertexAttribArray);
    GET_PROC(Finish);
    GET_PROC(Flush);
    GET_PROC(FrontFace);
    GET_PROC(GenBuffers);
    GET_PROC(GenerateMipmap);
    GET_PROC(GenTextures);
    GET_PROC_SUFFIX(GenVertexArrays, OES);
    GET_PROC(GetBufferParameteriv);
    GET_PROC(GetError);
    GET_PROC(GetIntegerv);
    GET_PROC(GetProgramInfoLog);
    GET_PROC(GetProgramiv);
    GET_PROC(GetShaderInfoLog);
    GET_PROC(GetShaderPrecisionFormat);
    GET_PROC(GetShaderiv);
    GET_PROC(GetString);
    GET_PROC(GetStringi);
    GET_PROC(GetUniformLocation);
    GET_PROC(IsTexture);
    GET_PROC(LineWidth);
    GET_PROC(LinkProgram);
    GET_PROC(PixelStorei);

    if (extensions.has("GL_EXT_raster_multisample")) {
        GET_PROC_SUFFIX(RasterSamples, EXT);
    }

    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);
    GET_PROC(TexSubImage2D);

    if (version >= GR_GL_VER(3,0)) {
        GET_PROC(TexStorage2D);
    } else {
        GET_PROC_SUFFIX(TexStorage2D, EXT);
    }

    if (extensions.has("GL_NV_texture_barrier")) {
        GET_PROC_SUFFIX(TextureBarrier, NV);
    }

    GET_PROC_SUFFIX(DiscardFramebuffer, EXT);
    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(UseProgram);
    GET_PROC(VertexAttrib1f);
    GET_PROC(VertexAttrib2fv);
    GET_PROC(VertexAttrib3fv);
    GET_PROC(VertexAttrib4fv);

    if (version >= GR_GL_VER(3,0)) {
        GET_PROC(VertexAttribDivisor);
    } else if (extensions.has("GL_EXT_instanced_arrays")) {
        GET_PROC_SUFFIX(VertexAttribDivisor, EXT);
    }

    if (version >= GR_GL_VER(3,0)) {
        GET_PROC(VertexAttribIPointer);
    }

    GET_PROC(VertexAttribPointer);
    GET_PROC(Viewport);
    GET_PROC(BindFramebuffer);
    GET_PROC(BindRenderbuffer);
    GET_PROC(CheckFramebufferStatus);
    GET_PROC(DeleteFramebuffers);
    GET_PROC(DeleteRenderbuffers);
    GET_PROC(FramebufferRenderbuffer);
    GET_PROC(FramebufferTexture2D);

    if (extensions.has("GL_CHROMIUM_framebuffer_multisample")) {
        GET_PROC_SUFFIX(RenderbufferStorageMultisample, CHROMIUM);
        GET_PROC_SUFFIX(BlitFramebuffer, CHROMIUM);
    } else if (version >= GR_GL_VER(3,0)) {
        GET_PROC(RenderbufferStorageMultisample);
        GET_PROC(BlitFramebuffer);
    }

    if (extensions.has("GL_CHROMIUM_map_sub")) {
        GET_PROC_SUFFIX(MapBufferSubData, CHROMIUM);
        GET_PROC_SUFFIX(MapTexSubImage2D, CHROMIUM);
        GET_PROC_SUFFIX(UnmapBufferSubData, CHROMIUM);
        GET_PROC_SUFFIX(UnmapTexSubImage2D, CHROMIUM);
    }

    if (extensions.has("GL_EXT_multisampled_render_to_texture")) {
        GET_PROC_SUFFIX(FramebufferTexture2DMultisample, EXT);
        functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleEXT");
    } else if (extensions.has("GL_IMG_multisampled_render_to_texture")) {
        GET_PROC_SUFFIX(FramebufferTexture2DMultisample, IMG);
        functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleIMG");
    } else if (extensions.has("GL_APPLE_framebuffer_multisample")) {
        functions->fRenderbufferStorageMultisampleES2APPLE = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleAPPLE");
        GET_PROC_SUFFIX(ResolveMultisampleFramebuffer, APPLE);
    }

    GET_PROC(GenFramebuffers);
    GET_PROC(GenRenderbuffers);
    GET_PROC(GetFramebufferAttachmentParameteriv);
    GET_PROC(GetRenderbufferParameteriv);
    GET_PROC(RenderbufferStorage);

    GET_PROC_SUFFIX(MapBuffer, OES);
    GET_PROC_SUFFIX(UnmapBuffer, OES);

    if (version >= GR_GL_VER(3,0)) {
        GET_PROC(MapBufferRange);
        GET_PROC(FlushMappedBufferRange);
    } else if (extensions.has("GL_EXT_map_buffer_range")) {
        GET_PROC_SUFFIX(MapBufferRange, EXT);
        GET_PROC_SUFFIX(FlushMappedBufferRange, EXT);
    }

    if (extensions.has("GL_EXT_debug_marker")) {
        GET_PROC(InsertEventMarker);
        GET_PROC(PushGroupMarker);
        GET_PROC(PopGroupMarker);
        // The below check is here because a device has been found that has the extension string but
        // returns nullptr from the eglGetProcAddress for the functions
        if (nullptr == functions->fInsertEventMarker ||
            nullptr == functions->fPushGroupMarker ||
            nullptr == functions->fPopGroupMarker) {
            extensions.remove("GL_EXT_debug_marker");
        }
    }

    GET_PROC(InvalidateFramebuffer);
    GET_PROC(InvalidateSubFramebuffer);
    GET_PROC(InvalidateBufferData);
    GET_PROC(InvalidateBufferSubData);
    GET_PROC(InvalidateTexImage);
    GET_PROC(InvalidateTexSubImage);

    if (version >= GR_GL_VER(3,1)) {
        GET_PROC(GetProgramResourceLocation);
    }

    if (extensions.has("GL_NV_path_rendering")) {
        GET_PROC_SUFFIX(MatrixLoadf, EXT);
        GET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
        GET_PROC_SUFFIX(PathCommands, NV);
        GET_PROC_SUFFIX(PathParameteri, NV);
        GET_PROC_SUFFIX(PathParameterf, NV);
        GET_PROC_SUFFIX(GenPaths, NV);
        GET_PROC_SUFFIX(DeletePaths, NV);
        GET_PROC_SUFFIX(IsPath, NV);
        GET_PROC_SUFFIX(PathStencilFunc, NV);
        GET_PROC_SUFFIX(StencilFillPath, NV);
        GET_PROC_SUFFIX(StencilStrokePath, NV);
        GET_PROC_SUFFIX(StencilFillPathInstanced, NV);
        GET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
        GET_PROC_SUFFIX(CoverFillPath, NV);
        GET_PROC_SUFFIX(CoverStrokePath, NV);
        GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
        GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
        GET_PROC_SUFFIX(StencilThenCoverFillPath, NV);
        GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV);
        GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV);
        GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV);
        GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV);
    }

    if (extensions.has("GL_CHROMIUM_path_rendering")) {
        GET_PROC_SUFFIX(MatrixLoadf, CHROMIUM);
        GET_PROC_SUFFIX(MatrixLoadIdentity, CHROMIUM);
        GET_PROC_SUFFIX(PathCommands, CHROMIUM);
        GET_PROC_SUFFIX(PathParameteri, CHROMIUM);
        GET_PROC_SUFFIX(PathParameterf, CHROMIUM);
        GET_PROC_SUFFIX(GenPaths, CHROMIUM);
        GET_PROC_SUFFIX(DeletePaths, CHROMIUM);
        GET_PROC_SUFFIX(IsPath, CHROMIUM);
        GET_PROC_SUFFIX(PathStencilFunc, CHROMIUM);
        GET_PROC_SUFFIX(StencilFillPath, CHROMIUM);
        GET_PROC_SUFFIX(StencilStrokePath, CHROMIUM);
        GET_PROC_SUFFIX(StencilFillPathInstanced, CHROMIUM);
        GET_PROC_SUFFIX(StencilStrokePathInstanced, CHROMIUM);
        GET_PROC_SUFFIX(CoverFillPath, CHROMIUM);
        GET_PROC_SUFFIX(CoverStrokePath, CHROMIUM);
        GET_PROC_SUFFIX(CoverFillPathInstanced, CHROMIUM);
        GET_PROC_SUFFIX(CoverStrokePathInstanced, CHROMIUM);
        GET_PROC_SUFFIX(StencilThenCoverFillPath, CHROMIUM);
        GET_PROC_SUFFIX(StencilThenCoverStrokePath, CHROMIUM);
        GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, CHROMIUM);
        GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, CHROMIUM);
        GET_PROC_SUFFIX(ProgramPathFragmentInputGen, CHROMIUM);
        // GL_CHROMIUM_path_rendering additions:
        GET_PROC_SUFFIX(BindFragmentInputLocation, CHROMIUM);
    }

    if (extensions.has("GL_NV_framebuffer_mixed_samples")) {
        GET_PROC_SUFFIX(CoverageModulation, NV);
    }
    if (extensions.has("GL_CHROMIUM_framebuffer_mixed_samples")) {
        GET_PROC_SUFFIX(CoverageModulation, CHROMIUM);
    }

    if (extensions.has("GL_EXT_multi_draw_indirect")) {
        GET_PROC_SUFFIX(MultiDrawArraysIndirect, EXT);
        GET_PROC_SUFFIX(MultiDrawElementsIndirect, EXT);
    }

    if (extensions.has("GL_NV_bindless_texture")) {
        GET_PROC_SUFFIX(GetTextureHandle, NV);
        GET_PROC_SUFFIX(GetTextureSamplerHandle, NV);
        GET_PROC_SUFFIX(MakeTextureHandleResident, NV);
        GET_PROC_SUFFIX(MakeTextureHandleNonResident, NV);
        GET_PROC_SUFFIX(GetImageHandle, NV);
        GET_PROC_SUFFIX(MakeImageHandleResident, NV);
        GET_PROC_SUFFIX(MakeImageHandleNonResident, NV);
        GET_PROC_SUFFIX(IsTextureHandleResident, NV);
        GET_PROC_SUFFIX(IsImageHandleResident, NV);
        GET_PROC_SUFFIX(UniformHandleui64, NV);
        GET_PROC_SUFFIX(UniformHandleui64v, NV);
        GET_PROC_SUFFIX(ProgramUniformHandleui64, NV);
        GET_PROC_SUFFIX(ProgramUniformHandleui64v, NV);
    }

    if (extensions.has("GL_KHR_debug")) {
        GET_PROC_SUFFIX(DebugMessageControl, KHR);
        GET_PROC_SUFFIX(DebugMessageInsert, KHR);
        GET_PROC_SUFFIX(DebugMessageCallback, KHR);
        GET_PROC_SUFFIX(GetDebugMessageLog, KHR);
        GET_PROC_SUFFIX(PushDebugGroup, KHR);
        GET_PROC_SUFFIX(PopDebugGroup, KHR);
        GET_PROC_SUFFIX(ObjectLabel, KHR);
        // In general we have a policy against removing extension strings when the driver does
        // not provide function pointers for an advertised extension. However, because there is a
        // known device that advertises GL_KHR_debug but fails to provide the functions and this is
        // a debugging- only extension we've made an exception. This also can happen when using
        // APITRACE.
        if (!interface->fFunctions.fDebugMessageControl) {
            extensions.remove("GL_KHR_debug");
        }
    }

    if (extensions.has("GL_CHROMIUM_bind_uniform_location")) {
        GET_PROC_SUFFIX(BindUniformLocation, CHROMIUM);
    }

    if (extensions.has("EGL_KHR_image") || extensions.has("EGL_KHR_image_base")) {
        GET_EGL_PROC_SUFFIX(CreateImage, KHR);
        GET_EGL_PROC_SUFFIX(DestroyImage, KHR);
    }

    interface->fStandard = kGLES_GrGLStandard;
    interface->fExtensions.swap(&extensions);

    return interface;
}
Esempio n. 4
0
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(CompressedTexSubImage2D);
    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(VertexAttrib1f);
    GET_PROC(VertexAttrib2fv);
    GET_PROC(VertexAttrib3fv);
    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);
    }

    if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_map_buffer_range")) {
        GET_PROC(MapBufferRange);
        GET_PROC(FlushMappedBufferRange);
    }

    // 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(PathParameteri, NV);
        GET_PROC_SUFFIX(PathParameterf, NV);
        GET_PROC_SUFFIX(GenPaths, NV);
        GET_PROC_SUFFIX(DeletePaths, NV);
        GET_PROC_SUFFIX(IsPath, NV);
        GET_PROC_SUFFIX(PathStencilFunc, NV);
        GET_PROC_SUFFIX(StencilFillPath, NV);
        GET_PROC_SUFFIX(StencilStrokePath, NV);
        GET_PROC_SUFFIX(StencilFillPathInstanced, NV);
        GET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
        GET_PROC_SUFFIX(PathTexGen, NV);
        GET_PROC_SUFFIX(CoverFillPath, NV);
        GET_PROC_SUFFIX(CoverStrokePath, NV);
        GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
        GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
        // NV_path_rendering v1.2 (These methods may not be present)
        GET_PROC_SUFFIX(StencilThenCoverFillPath, NV);
        GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV);
        GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV);
        GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV);
        // NV_path_rendering v1.3 (These methods may not be present)
        GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV);
        GET_PROC_SUFFIX(PathMemoryGlyphIndexArray, 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);
    }

    if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_program_interface_query")) {
        GET_PROC(GetProgramResourceLocation);
    }

    interface->fStandard = kGL_GrGLStandard;
    interface->fExtensions.swap(&extensions);

    return interface;
}
Esempio n. 5
0
const GrGLInterface* GrGLAssembleGLESInterface(void* ctx, GrGLGetProc get) {
    GET_PROC_LOCAL(GetString);
    if (NULL == GetString) {
        return NULL;
    }

    const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION));
    GrGLVersion version = GrGLGetVersionFromString(verStr);

    if (version < GR_GL_VER(2,0)) {
        return NULL;
    }

    GET_PROC_LOCAL(GetIntegerv);
    GET_PROC_LOCAL(GetStringi);
    GrGLExtensions extensions;
    if (!extensions.init(kGLES_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);
    GET_PROC(BindTexture);
    GET_PROC_SUFFIX(BindVertexArray, OES);
    GET_PROC(BlendColor);
    GET_PROC(BlendFunc);
    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(CompressedTexSubImage2D);
    GET_PROC(CopyTexSubImage2D);
    GET_PROC(CreateProgram);
    GET_PROC(CreateShader);
    GET_PROC(CullFace);
    GET_PROC(DeleteBuffers);
    GET_PROC(DeleteProgram);
    GET_PROC(DeleteShader);
    GET_PROC(DeleteTextures);
    GET_PROC_SUFFIX(DeleteVertexArrays, OES);
    GET_PROC(DepthMask);
    GET_PROC(Disable);
    GET_PROC(DisableVertexAttribArray);
    GET_PROC(DrawArrays);
    GET_PROC(DrawElements);
    GET_PROC(Enable);
    GET_PROC(EnableVertexAttribArray);
    GET_PROC(Finish);
    GET_PROC(Flush);
    GET_PROC(FrontFace);
    GET_PROC(GenBuffers);
    GET_PROC(GenerateMipmap);
    GET_PROC(GenTextures);
    GET_PROC_SUFFIX(GenVertexArrays, OES);
    GET_PROC(GetBufferParameteriv);
    GET_PROC(GetError);
    GET_PROC(GetIntegerv);
    GET_PROC(GetProgramInfoLog);
    GET_PROC(GetProgramiv);
    GET_PROC(GetShaderInfoLog);
    GET_PROC(GetShaderiv);
    GET_PROC(GetString);
    GET_PROC(GetStringi);
    GET_PROC(GetUniformLocation);
    GET_PROC(LineWidth);
    GET_PROC(LinkProgram);
    GET_PROC(PixelStorei);
    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);
    GET_PROC(TexSubImage2D);

    if (version >= GR_GL_VER(3,0)) {
        GET_PROC(TexStorage2D);
    } else {
        GET_PROC_SUFFIX(TexStorage2D, EXT);
    }

    GET_PROC_SUFFIX(DiscardFramebuffer, EXT);
    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(UseProgram);
    GET_PROC(VertexAttrib1f);
    GET_PROC(VertexAttrib2fv);
    GET_PROC(VertexAttrib3fv);
    GET_PROC(VertexAttrib4fv);
    GET_PROC(VertexAttribPointer);
    GET_PROC(Viewport);
    GET_PROC(BindFramebuffer);
    GET_PROC(BindRenderbuffer);
    GET_PROC(CheckFramebufferStatus);
    GET_PROC(DeleteFramebuffers);
    GET_PROC(DeleteRenderbuffers);
    GET_PROC(FramebufferRenderbuffer);
    GET_PROC(FramebufferTexture2D);

    if (version >= GR_GL_VER(3,0)) {
        GET_PROC(RenderbufferStorageMultisample);
        GET_PROC(BlitFramebuffer);
    }

    if (extensions.has("GL_EXT_multisampled_render_to_texture")) {
        GET_PROC_SUFFIX(FramebufferTexture2DMultisample, EXT);
        functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleEXT");
    } else if (extensions.has("GL_IMG_multisampled_render_to_texture")) {
        GET_PROC_SUFFIX(FramebufferTexture2DMultisample, IMG);
        functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleIMG");
    } else if (extensions.has("GL_APPLE_framebuffer_multisample")) {
        functions->fRenderbufferStorageMultisampleES2APPLE = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleAPPLE");
        GET_PROC_SUFFIX(ResolveMultisampleFramebuffer, APPLE);
    }

    GET_PROC(GenFramebuffers);
    GET_PROC(GenRenderbuffers);
    GET_PROC(GetFramebufferAttachmentParameteriv);
    GET_PROC(GetRenderbufferParameteriv);
    GET_PROC(RenderbufferStorage);

    GET_PROC_SUFFIX(MapBuffer, OES);
    GET_PROC_SUFFIX(UnmapBuffer, OES);

    if (version >= GR_GL_VER(3,0)) {
        GET_PROC(MapBufferRange);
        GET_PROC(FlushMappedBufferRange);
    } else if (extensions.has("GL_EXT_map_buffer_range")) {
        GET_PROC_SUFFIX(MapBufferRange, EXT);
        GET_PROC_SUFFIX(FlushMappedBufferRange, EXT);
    }

    if (extensions.has("GL_EXT_debug_marker")) {
        GET_PROC(InsertEventMarker);
        GET_PROC(PushGroupMarker);
        GET_PROC(PopGroupMarker);
        // The below check is here because a device has been found that has the extension string but
        // returns NULL from the eglGetProcAddress for the functions
        if (NULL == functions->fInsertEventMarker ||
            NULL == functions->fPushGroupMarker ||
            NULL == functions->fPopGroupMarker) {
            extensions.remove("GL_EXT_debug_marker");
        }
    }

    GET_PROC(InvalidateFramebuffer);
    GET_PROC(InvalidateSubFramebuffer);
    GET_PROC(InvalidateBufferData);
    GET_PROC(InvalidateBufferSubData);
    GET_PROC(InvalidateTexImage);
    GET_PROC(InvalidateTexSubImage);

    if (version >= GR_GL_VER(3,1)) {
        GET_PROC(GetProgramResourceLocation);
    }

    if (extensions.has("GL_NV_path_rendering")) {
        GET_PROC_SUFFIX(MatrixLoadf, EXT);
        GET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
        GET_PROC_SUFFIX(PathCommands, NV);
        GET_PROC_SUFFIX(PathCoords, NV);
        GET_PROC_SUFFIX(PathParameteri, NV);
        GET_PROC_SUFFIX(PathParameterf, NV);
        GET_PROC_SUFFIX(GenPaths, NV);
        GET_PROC_SUFFIX(DeletePaths, NV);
        GET_PROC_SUFFIX(IsPath, NV);
        GET_PROC_SUFFIX(PathStencilFunc, NV);
        GET_PROC_SUFFIX(StencilFillPath, NV);
        GET_PROC_SUFFIX(StencilStrokePath, NV);
        GET_PROC_SUFFIX(StencilFillPathInstanced, NV);
        GET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
        GET_PROC_SUFFIX(CoverFillPath, NV);
        GET_PROC_SUFFIX(CoverStrokePath, NV);
        GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
        GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
        GET_PROC_SUFFIX(StencilThenCoverFillPath, NV);
        GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV);
        GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV);
        GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV);
        GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV);
        GET_PROC_SUFFIX(PathMemoryGlyphIndexArray, NV);
    }

    interface->fStandard = kGLES_GrGLStandard;
    interface->fExtensions.swap(&extensions);

    return interface;
}
Esempio n. 6
0
sk_sp<const GrGLInterface> GrGLMakeAssembledWebGLInterface(void *ctx, GrGLGetProc get) {
    GET_PROC_LOCAL(GetString);
    if (nullptr == GetString) {
        return nullptr;
    }

    const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION));
    GrGLVersion glVer = GrGLGetVersionFromString(verStr);

    if (glVer < GR_GL_VER(1,0)) {
        return nullptr;
    }

    GET_PROC_LOCAL(GetIntegerv);
    GET_PROC_LOCAL(GetStringi);
    GrEGLQueryStringFn* queryString;
    GrEGLDisplay display;
    GrGetEGLQueryAndDisplay(&queryString, &display, ctx, get);
    GrGLExtensions extensions;
    if (!extensions.init(kWebGL_GrGLStandard, GetString, GetStringi, GetIntegerv, queryString,
                         display)) {
        return nullptr;
    }

    sk_sp<GrGLInterface> interface(new GrGLInterface);
    GrGLInterface::Functions* functions = &interface->fFunctions;

    // Autogenerated content follows
    GET_PROC(ActiveTexture);
    GET_PROC(AttachShader);
    GET_PROC(BindAttribLocation);
    GET_PROC(BindBuffer);
    GET_PROC(BindTexture);
    GET_PROC(BlendColor);
    GET_PROC(BlendEquation);
    GET_PROC(BlendFunc);
    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(CompressedTexSubImage2D);
    GET_PROC(CopyTexSubImage2D);
    GET_PROC(CreateProgram);
    GET_PROC(CreateShader);
    GET_PROC(CullFace);
    GET_PROC(DeleteBuffers);
    GET_PROC(DeleteProgram);
    GET_PROC(DeleteShader);
    GET_PROC(DeleteTextures);
    GET_PROC(DepthMask);
    GET_PROC(Disable);
    GET_PROC(DisableVertexAttribArray);
    GET_PROC(DrawArrays);
    GET_PROC(DrawElements);
    GET_PROC(Enable);
    GET_PROC(EnableVertexAttribArray);
    GET_PROC(Finish);
    GET_PROC(Flush);
    GET_PROC(FrontFace);
    GET_PROC(GenBuffers);
    GET_PROC(GenTextures);
    GET_PROC(GetBufferParameteriv);
    GET_PROC(GetError);
    GET_PROC(GetIntegerv);
    GET_PROC(GetProgramInfoLog);
    GET_PROC(GetProgramiv);
    GET_PROC(GetShaderInfoLog);
    GET_PROC(GetShaderiv);
    GET_PROC(GetString);
    GET_PROC(GetUniformLocation);
    GET_PROC(IsTexture);
    GET_PROC(LineWidth);
    GET_PROC(LinkProgram);
    GET_PROC(PixelStorei);
    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(TexParameterf);
    GET_PROC(TexParameterfv);
    GET_PROC(TexParameteri);
    GET_PROC(TexParameteriv);
    GET_PROC(TexSubImage2D);
    GET_PROC(Uniform1f);
    GET_PROC(Uniform1fv);
    GET_PROC(Uniform1i);
    GET_PROC(Uniform1iv);
    GET_PROC(Uniform2f);
    GET_PROC(Uniform2fv);
    GET_PROC(Uniform2i);
    GET_PROC(Uniform2iv);
    GET_PROC(Uniform3f);
    GET_PROC(Uniform3fv);
    GET_PROC(Uniform3i);
    GET_PROC(Uniform3iv);
    GET_PROC(Uniform4f);
    GET_PROC(Uniform4fv);
    GET_PROC(Uniform4i);
    GET_PROC(Uniform4iv);
    GET_PROC(UniformMatrix2fv);
    GET_PROC(UniformMatrix3fv);
    GET_PROC(UniformMatrix4fv);
    GET_PROC(UseProgram);
    GET_PROC(VertexAttrib1f);
    GET_PROC(VertexAttrib2fv);
    GET_PROC(VertexAttrib3fv);
    GET_PROC(VertexAttrib4fv);
    GET_PROC(VertexAttribPointer);
    GET_PROC(Viewport);

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(GetStringi);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(BindVertexArray);
        GET_PROC(DeleteVertexArrays);
        GET_PROC(GenVertexArrays);
    } else if (extensions.has("GL_OES_vertex_array_object")) {
        GET_PROC_SUFFIX(BindVertexArray, OES);
        GET_PROC_SUFFIX(DeleteVertexArrays, OES);
        GET_PROC_SUFFIX(GenVertexArrays, OES);
    } else if (extensions.has("OES_vertex_array_object")) {
        GET_PROC_SUFFIX(BindVertexArray, OES);
        GET_PROC_SUFFIX(DeleteVertexArrays, OES);
        GET_PROC_SUFFIX(GenVertexArrays, OES);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(DrawArraysInstanced);
        GET_PROC(DrawElementsInstanced);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(DrawBuffers);
        GET_PROC(ReadBuffer);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(DrawRangeElements);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(TexStorage2D);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(VertexAttribIPointer);
    }

    GET_PROC(BindFramebuffer);
    GET_PROC(BindRenderbuffer);
    GET_PROC(CheckFramebufferStatus);
    GET_PROC(DeleteFramebuffers);
    GET_PROC(DeleteRenderbuffers);
    GET_PROC(FramebufferRenderbuffer);
    GET_PROC(FramebufferTexture2D);
    GET_PROC(GenFramebuffers);
    GET_PROC(GenRenderbuffers);
    GET_PROC(GenerateMipmap);
    GET_PROC(GetFramebufferAttachmentParameteriv);
    GET_PROC(GetRenderbufferParameteriv);
    GET_PROC(RenderbufferStorage);

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(RenderbufferStorageMultisample);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(ClientWaitSync);
        GET_PROC(DeleteSync);
        GET_PROC(FenceSync);
        GET_PROC(IsSync);
        GET_PROC(WaitSync);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(BindSampler);
        GET_PROC(DeleteSamplers);
        GET_PROC(GenSamplers);
        GET_PROC(SamplerParameteri);
        GET_PROC(SamplerParameteriv);
    }

    if (glVer >= GR_GL_VER(2,0)) {
        GET_PROC(InvalidateFramebuffer);
        GET_PROC(InvalidateSubFramebuffer);
    }

    GET_PROC(GetShaderPrecisionFormat);


    // End autogenerated content

    interface->fStandard = kWebGL_GrGLStandard;
    interface->fExtensions.swap(&extensions);

    return std::move(interface);
}