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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrGLInterface.h"
#import <OpenGLES/ES2/gl.h>
#import <OpenGLES/ES2/glext.h>
const GrGLInterface* GrGLDefaultInterface() {
static SkAutoTUnref<GrGLInterface> glInterface;
if (!glInterface.get()) {
GrGLInteface* interface = new GrGLInterface;
glInterface.reset(interface);
interface->fActiveTexture = glActiveTexture;
interface->fAttachShader = glAttachShader;
interface->fBindAttribLocation = glBindAttribLocation;
interface->fBindBuffer = glBindBuffer;
interface->fBindTexture = glBindTexture;
interface->fBlendColor = glBlendColor;
interface->fBlendFunc = glBlendFunc;
interface->fBufferData = (GrGLBufferDataProc)glBufferData;
interface->fBufferSubData = (GrGLBufferSubDataProc)glBufferSubData;
interface->fClear = glClear;
interface->fClearColor = glClearColor;
interface->fClearStencil = glClearStencil;
interface->fColorMask = glColorMask;
interface->fColorPointer = glColorPointer;
interface->fCompileShader = glCompileShader;
interface->fCompressedTexImage2D = glCompressedTexImage2D;
interface->fCreateProgram = glCreateProgram;
interface->fCreateShader = glCreateShader;
interface->fCullFace = glCullFace;
interface->fDeleteBuffers = glDeleteBuffers;
interface->fDeleteProgram = glDeleteProgram;
interface->fDeleteShader = glDeleteShader;
interface->fDeleteTextures = glDeleteTextures;
interface->fDepthMask = glDepthMask;
interface->fDisable = glDisable;
interface->fDisableVertexAttribArray = glDisableVertexAttribArray;
interface->fDrawArrays = glDrawArrays;
interface->fDrawBuffer = NULL;
interface->fDrawBuffers = NULL;
interface->fDrawElements = glDrawElements;
interface->fEnable = glEnable;
interface->fEnableVertexAttribArray = glEnableVertexAttribArray;
interface->fFrontFace = glFrontFace;
interface->fGenBuffers = glGenBuffers;
interface->fGetBufferParameteriv = glGetBufferParameteriv;
interface->fGetError = glGetError;
interface->fGetIntegerv = glGetIntegerv;
interface->fGetProgramInfoLog = glGetProgramInfoLog;
interface->fGetProgramiv = glGetProgramiv;
interface->fGetShaderInfoLog = glGetShaderInfoLog;
interface->fGetShaderiv = glGetShaderiv;
interface->fGetString = glGetString;
interface->fGenTextures = glGenTextures;
interface->fGetUniformLocation = glGetUniformLocation;
interface->fLineWidth = glLineWidth;
interface->fLinkProgram = glLinkProgram;
interface->fPixelStorei = glPixelStorei;
interface->fReadBuffer = NULL;
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;
#if GL_ARB_texture_storage
interface->fTexStorage2D = glTexStorage2D;
#elif GL_EXT_texture_storage
interface->fTexStorage2D = glTexStorage2DEXT;
#endif
interface->fTexParameteri = glTexParameteri;
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->fUseProgram = glUseProgram;
interface->fVertexAttrib4fv = glVertexAttrib4fv;
interface->fVertexAttribPointer = glVertexAttribPointer;
interface->fViewport = glViewport;
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;
#if GL_OES_mapbuffer
interface->fMapBuffer = glMapBufferOES;
interface->fUnmapBuffer = glUnmapBufferOES;
#endif
#if GL_APPLE_framebuffer_multisample
interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisampleAPPLE;
interface->fResolveMultisampleFramebuffer = glResolveMultisampleFramebufferAPPLE;
#endif
interface->fBindFragDataLocationIndexed = NULL;
interface->fBindingsExported = kES2_GrGLBinding;
}
glInterface.get()->ref();
return glInterface.get();
}
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