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/*
* Copyright 2012 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"
#ifndef GL_GLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES
#endif
#include "GLES2/gl2.h"
#include "GLES2/gl2ext.h"
#include "EGL/egl.h"
#define GET_PROC(name) \
interface->fFunctions.f ## name = (GrGL ## name ## Proc) GetProcAddress(ghANGLELib, "gl" #name);
const GrGLInterface* GrGLCreateANGLEInterface() {
static HMODULE ghANGLELib = NULL;
if (NULL == ghANGLELib) {
// We load the ANGLE library and never let it go
ghANGLELib = LoadLibrary("libGLESv2.dll");
}
if (NULL == ghANGLELib) {
// We can't setup the interface correctly w/o the DLL
return NULL;
}
GrGLInterface* interface = SkNEW(GrGLInterface);
interface->fStandard = kGLES_GrGLStandard;
GrGLInterface::Functions* functions = &interface->fFunctions;
GET_PROC(ActiveTexture);
GET_PROC(AttachShader);
GET_PROC(BindAttribLocation);
GET_PROC(BindBuffer);
GET_PROC(BindTexture);
functions->fBindVertexArray =
(GrGLBindVertexArrayProc) eglGetProcAddress("glBindVertexArrayOES");
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(CopyTexSubImage2D);
GET_PROC(CreateProgram);
GET_PROC(CreateShader);
GET_PROC(CullFace);
GET_PROC(DeleteBuffers);
GET_PROC(DeleteProgram);
GET_PROC(DeleteShader);
GET_PROC(DeleteTextures);
functions->fDeleteVertexArrays =
(GrGLDeleteVertexArraysProc) eglGetProcAddress("glDeleteVertexArraysOES");
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);
functions->fGenVertexArrays =
(GrGLGenVertexArraysProc) eglGetProcAddress("glGenVertexArraysOES");
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 GL_ARB_texture_storage
GET_PROC(TexStorage2D);
#elif GL_EXT_texture_storage
functions->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2DEXT");
#endif
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(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);
GET_PROC(GenFramebuffers);
GET_PROC(GenRenderbuffers);
GET_PROC(GetFramebufferAttachmentParameteriv);
GET_PROC(GetRenderbufferParameteriv);
GET_PROC(RenderbufferStorage);
functions->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES");
functions->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES");
#if GL_ES_VERSION_3_0
functions->fMapBufferRange = GET_PROC(glMapBufferRange);
functions->fFlushMappedBufferRange = GET_PROC(glFlushMappedBufferRange);
#else
functions->fMapBufferRange = (GrGLMapBufferRangeProc) eglGetProcAddress("glMapBufferRange");
functions->fFlushMappedBufferRange = (GrGLFlushMappedBufferRangeProc) eglGetProcAddress("glFlushMappedBufferRange");
#endif
functions->fInsertEventMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glInsertEventMarkerEXT");
functions->fPushGroupMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glPushGroupMarkerEXT");
functions->fPopGroupMarker = (GrGLPopGroupMarkerProc) eglGetProcAddress("glPopGroupMarkerEXT");
#if GL_ES_VERSION_3_0
GET_PROC(InvalidateFramebuffer);
GET_PROC(InvalidateSubFramebuffer);
#else
functions->fInvalidateFramebuffer = (GrGLInvalidateFramebufferProc) eglGetProcAddress("glInvalidateFramebuffer");
functions->fInvalidateSubFramebuffer = (GrGLInvalidateSubFramebufferProc) eglGetProcAddress("glInvalidateSubFramebuffer");
#endif
functions->fInvalidateBufferData = (GrGLInvalidateBufferDataProc) eglGetProcAddress("glInvalidateBufferData");
functions->fInvalidateBufferSubData = (GrGLInvalidateBufferSubDataProc) eglGetProcAddress("glInvalidateBufferSubData");
functions->fInvalidateTexImage = (GrGLInvalidateTexImageProc) eglGetProcAddress("glInvalidateTexImage");
functions->fInvalidateTexSubImage = (GrGLInvalidateTexSubImageProc) eglGetProcAddress("glInvalidateTexSubImage");
interface->fExtensions.init(kGLES_GrGLStandard,
functions->fGetString,
functions->fGetStringi,
functions->fGetIntegerv);
return interface;
}
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