michael@0: 
michael@0: /*
michael@0:  * Copyright 2012 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include "gl/GrGLInterface.h"
michael@0: 
michael@0: #ifndef GL_GLEXT_PROTOTYPES
michael@0: #define GL_GLEXT_PROTOTYPES
michael@0: #endif
michael@0: 
michael@0: #include "GLES2/gl2.h"
michael@0: #include "GLES2/gl2ext.h"
michael@0: #include "EGL/egl.h"
michael@0: 
michael@0: #define GET_PROC(name)             \
michael@0:     interface->fFunctions.f ## name = (GrGL ## name ## Proc) GetProcAddress(ghANGLELib, "gl" #name);
michael@0: 
michael@0: const GrGLInterface* GrGLCreateANGLEInterface() {
michael@0: 
michael@0:     static HMODULE ghANGLELib = NULL;
michael@0: 
michael@0:     if (NULL == ghANGLELib) {
michael@0:         // We load the ANGLE library and never let it go
michael@0:         ghANGLELib = LoadLibrary("libGLESv2.dll");
michael@0:     }
michael@0:     if (NULL == ghANGLELib) {
michael@0:         // We can't setup the interface correctly w/o the DLL
michael@0:         return NULL;
michael@0:     }
michael@0: 
michael@0:     GrGLInterface* interface = SkNEW(GrGLInterface);
michael@0:     interface->fStandard = kGLES_GrGLStandard;
michael@0: 
michael@0:     GrGLInterface::Functions* functions = &interface->fFunctions;
michael@0: 
michael@0:     GET_PROC(ActiveTexture);
michael@0:     GET_PROC(AttachShader);
michael@0:     GET_PROC(BindAttribLocation);
michael@0:     GET_PROC(BindBuffer);
michael@0:     GET_PROC(BindTexture);
michael@0:     functions->fBindVertexArray =
michael@0:         (GrGLBindVertexArrayProc) eglGetProcAddress("glBindVertexArrayOES");
michael@0:     GET_PROC(BlendColor);
michael@0:     GET_PROC(BlendFunc);
michael@0:     GET_PROC(BufferData);
michael@0:     GET_PROC(BufferSubData);
michael@0:     GET_PROC(Clear);
michael@0:     GET_PROC(ClearColor);
michael@0:     GET_PROC(ClearStencil);
michael@0:     GET_PROC(ColorMask);
michael@0:     GET_PROC(CompileShader);
michael@0:     GET_PROC(CompressedTexImage2D);
michael@0:     GET_PROC(CopyTexSubImage2D);
michael@0:     GET_PROC(CreateProgram);
michael@0:     GET_PROC(CreateShader);
michael@0:     GET_PROC(CullFace);
michael@0:     GET_PROC(DeleteBuffers);
michael@0:     GET_PROC(DeleteProgram);
michael@0:     GET_PROC(DeleteShader);
michael@0:     GET_PROC(DeleteTextures);
michael@0:     functions->fDeleteVertexArrays =
michael@0:         (GrGLDeleteVertexArraysProc) eglGetProcAddress("glDeleteVertexArraysOES");
michael@0:     GET_PROC(DepthMask);
michael@0:     GET_PROC(Disable);
michael@0:     GET_PROC(DisableVertexAttribArray);
michael@0:     GET_PROC(DrawArrays);
michael@0:     GET_PROC(DrawElements);
michael@0:     GET_PROC(Enable);
michael@0:     GET_PROC(EnableVertexAttribArray);
michael@0:     GET_PROC(Finish);
michael@0:     GET_PROC(Flush);
michael@0:     GET_PROC(FrontFace);
michael@0:     GET_PROC(GenBuffers);
michael@0:     GET_PROC(GenerateMipmap);
michael@0:     GET_PROC(GenTextures);
michael@0:     functions->fGenVertexArrays =
michael@0:         (GrGLGenVertexArraysProc) eglGetProcAddress("glGenVertexArraysOES");
michael@0:     GET_PROC(GetBufferParameteriv);
michael@0:     GET_PROC(GetError);
michael@0:     GET_PROC(GetIntegerv);
michael@0:     GET_PROC(GetProgramInfoLog);
michael@0:     GET_PROC(GetProgramiv);
michael@0:     GET_PROC(GetShaderInfoLog);
michael@0:     GET_PROC(GetShaderiv);
michael@0:     GET_PROC(GetString);
michael@0:     GET_PROC(GetUniformLocation);
michael@0:     GET_PROC(LineWidth);
michael@0:     GET_PROC(LinkProgram);
michael@0:     GET_PROC(PixelStorei);
michael@0:     GET_PROC(ReadPixels);
michael@0:     GET_PROC(Scissor);
michael@0:     GET_PROC(ShaderSource);
michael@0:     GET_PROC(StencilFunc);
michael@0:     GET_PROC(StencilFuncSeparate);
michael@0:     GET_PROC(StencilMask);
michael@0:     GET_PROC(StencilMaskSeparate);
michael@0:     GET_PROC(StencilOp);
michael@0:     GET_PROC(StencilOpSeparate);
michael@0:     GET_PROC(TexImage2D);
michael@0:     GET_PROC(TexParameteri);
michael@0:     GET_PROC(TexParameteriv);
michael@0:     GET_PROC(TexSubImage2D);
michael@0: #if GL_ARB_texture_storage
michael@0:     GET_PROC(TexStorage2D);
michael@0: #elif GL_EXT_texture_storage
michael@0:     functions->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2DEXT");
michael@0: #endif
michael@0:     GET_PROC(Uniform1f);
michael@0:     GET_PROC(Uniform1i);
michael@0:     GET_PROC(Uniform1fv);
michael@0:     GET_PROC(Uniform1iv);
michael@0: 
michael@0:     GET_PROC(Uniform2f);
michael@0:     GET_PROC(Uniform2i);
michael@0:     GET_PROC(Uniform2fv);
michael@0:     GET_PROC(Uniform2iv);
michael@0: 
michael@0:     GET_PROC(Uniform3f);
michael@0:     GET_PROC(Uniform3i);
michael@0:     GET_PROC(Uniform3fv);
michael@0:     GET_PROC(Uniform3iv);
michael@0: 
michael@0:     GET_PROC(Uniform4f);
michael@0:     GET_PROC(Uniform4i);
michael@0:     GET_PROC(Uniform4fv);
michael@0:     GET_PROC(Uniform4iv);
michael@0: 
michael@0:     GET_PROC(UniformMatrix2fv);
michael@0:     GET_PROC(UniformMatrix3fv);
michael@0:     GET_PROC(UniformMatrix4fv);
michael@0:     GET_PROC(UseProgram);
michael@0:     GET_PROC(VertexAttrib4fv);
michael@0:     GET_PROC(VertexAttribPointer);
michael@0:     GET_PROC(Viewport);
michael@0:     GET_PROC(BindFramebuffer);
michael@0:     GET_PROC(BindRenderbuffer);
michael@0:     GET_PROC(CheckFramebufferStatus);
michael@0:     GET_PROC(DeleteFramebuffers);
michael@0:     GET_PROC(DeleteRenderbuffers);
michael@0:     GET_PROC(FramebufferRenderbuffer);
michael@0:     GET_PROC(FramebufferTexture2D);
michael@0:     GET_PROC(GenFramebuffers);
michael@0:     GET_PROC(GenRenderbuffers);
michael@0:     GET_PROC(GetFramebufferAttachmentParameteriv);
michael@0:     GET_PROC(GetRenderbufferParameteriv);
michael@0:     GET_PROC(RenderbufferStorage);
michael@0: 
michael@0:     functions->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES");
michael@0:     functions->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES");
michael@0: 
michael@0: #if GL_EXT_debug_marker
michael@0:     functions->fInsertEventMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glInsertEventMarkerEXT");
michael@0:     functions->fPushGroupMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glPushGroupMarkerEXT");
michael@0:     functions->fPopGroupMarker = (GrGLPopGroupMarkerProc) eglGetProcAddress("glPopGropuMarkerEXT");
michael@0: #endif
michael@0: 
michael@0:     interface->fExtensions.init(kGLES_GrGLStandard,
michael@0:                                 interface->fFunctions.fGetString,
michael@0:                                 interface->fFunctions.fGetStringi,
michael@0:                                 interface->fFunctions.fGetIntegerv);
michael@0:     return interface;
michael@0: }