1 2 /* 3 * Copyright 2012 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 10 #include "gl/GrGLInterface.h" 11 12 #ifndef GL_GLEXT_PROTOTYPES 13 #define GL_GLEXT_PROTOTYPES 14 #endif 15 16 #include "GLES2/gl2.h" 17 #include "GLES2/gl2ext.h" 18 #include "EGL/egl.h" 19 20 #define GET_PROC(name) \ 21 interface->f ## name = (GrGL ## name ## Proc) GetProcAddress(ghANGLELib, "gl" #name); 22 23 const GrGLInterface* GrGLCreateANGLEInterface() { 24 25 static SkAutoTUnref<GrGLInterface> glInterface; 26 static HMODULE ghANGLELib = NULL; 27 28 if (NULL == ghANGLELib) { 29 // We load the ANGLE library and never let it go 30 ghANGLELib = LoadLibrary("libGLESv2.dll"); 31 } 32 if (NULL == ghANGLELib) { 33 // We can't setup the interface correctly w/o the DLL 34 return NULL; 35 } 36 37 if (!glInterface.get()) { 38 GrGLInterface* interface = new GrGLInterface; 39 glInterface.reset(interface); 40 interface->fBindingsExported = kES2_GrGLBinding; 41 42 GET_PROC(ActiveTexture); 43 GET_PROC(AttachShader); 44 GET_PROC(BindAttribLocation); 45 GET_PROC(BindBuffer); 46 GET_PROC(BindTexture); 47 interface->fBindVertexArray = 48 (GrGLBindVertexArrayProc) eglGetProcAddress("glBindVertexArrayOES"); 49 GET_PROC(BlendColor); 50 GET_PROC(BlendFunc); 51 GET_PROC(BufferData); 52 GET_PROC(BufferSubData); 53 GET_PROC(Clear); 54 GET_PROC(ClearColor); 55 GET_PROC(ClearStencil); 56 GET_PROC(ColorMask); 57 GET_PROC(CompileShader); 58 GET_PROC(CompressedTexImage2D); 59 GET_PROC(CopyTexSubImage2D); 60 GET_PROC(CreateProgram); 61 GET_PROC(CreateShader); 62 GET_PROC(CullFace); 63 GET_PROC(DeleteBuffers); 64 GET_PROC(DeleteProgram); 65 GET_PROC(DeleteShader); 66 GET_PROC(DeleteTextures); 67 interface->fDeleteVertexArrays = 68 (GrGLDeleteVertexArraysProc) eglGetProcAddress("glDeleteVertexArraysOES"); 69 GET_PROC(DepthMask); 70 GET_PROC(Disable); 71 GET_PROC(DisableVertexAttribArray); 72 GET_PROC(DrawArrays); 73 GET_PROC(DrawElements); 74 GET_PROC(Enable); 75 GET_PROC(EnableVertexAttribArray); 76 GET_PROC(Finish); 77 GET_PROC(Flush); 78 GET_PROC(FrontFace); 79 GET_PROC(GenBuffers); 80 GET_PROC(GenerateMipmap); 81 GET_PROC(GenTextures); 82 interface->fGenVertexArrays = 83 (GrGLGenVertexArraysProc) eglGetProcAddress("glGenVertexArraysOES"); 84 GET_PROC(GetBufferParameteriv); 85 GET_PROC(GetError); 86 GET_PROC(GetIntegerv); 87 GET_PROC(GetProgramInfoLog); 88 GET_PROC(GetProgramiv); 89 GET_PROC(GetShaderInfoLog); 90 GET_PROC(GetShaderiv); 91 GET_PROC(GetString); 92 GET_PROC(GetUniformLocation); 93 GET_PROC(LineWidth); 94 GET_PROC(LinkProgram); 95 GET_PROC(PixelStorei); 96 GET_PROC(ReadPixels); 97 GET_PROC(Scissor); 98 GET_PROC(ShaderSource); 99 GET_PROC(StencilFunc); 100 GET_PROC(StencilFuncSeparate); 101 GET_PROC(StencilMask); 102 GET_PROC(StencilMaskSeparate); 103 GET_PROC(StencilOp); 104 GET_PROC(StencilOpSeparate); 105 GET_PROC(TexImage2D); 106 GET_PROC(TexParameteri); 107 GET_PROC(TexParameteriv); 108 GET_PROC(TexSubImage2D); 109 #if GL_ARB_texture_storage 110 GET_PROC(TexStorage2D); 111 #elif GL_EXT_texture_storage 112 interface->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2DEXT"); 113 #endif 114 GET_PROC(Uniform1f); 115 GET_PROC(Uniform1i); 116 GET_PROC(Uniform1fv); 117 GET_PROC(Uniform1iv); 118 119 GET_PROC(Uniform2f); 120 GET_PROC(Uniform2i); 121 GET_PROC(Uniform2fv); 122 GET_PROC(Uniform2iv); 123 124 GET_PROC(Uniform3f); 125 GET_PROC(Uniform3i); 126 GET_PROC(Uniform3fv); 127 GET_PROC(Uniform3iv); 128 129 GET_PROC(Uniform4f); 130 GET_PROC(Uniform4i); 131 GET_PROC(Uniform4fv); 132 GET_PROC(Uniform4iv); 133 134 GET_PROC(UniformMatrix2fv); 135 GET_PROC(UniformMatrix3fv); 136 GET_PROC(UniformMatrix4fv); 137 GET_PROC(UseProgram); 138 GET_PROC(VertexAttrib4fv); 139 GET_PROC(VertexAttribPointer); 140 GET_PROC(Viewport); 141 GET_PROC(BindFramebuffer); 142 GET_PROC(BindRenderbuffer); 143 GET_PROC(CheckFramebufferStatus); 144 GET_PROC(DeleteFramebuffers); 145 GET_PROC(DeleteRenderbuffers); 146 GET_PROC(FramebufferRenderbuffer); 147 GET_PROC(FramebufferTexture2D); 148 GET_PROC(GenFramebuffers); 149 GET_PROC(GenRenderbuffers); 150 GET_PROC(GetFramebufferAttachmentParameteriv); 151 GET_PROC(GetRenderbufferParameteriv); 152 GET_PROC(RenderbufferStorage); 153 154 interface->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES"); 155 interface->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES"); 156 } 157 glInterface.get()->ref(); 158 return glInterface.get(); 159 } 160
