| // Modified from chromium/src/webkit/glue/gl_bindings_skia_cmd_buffer.cc |
| |
| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "gl/GrGLExtensions.h" |
| #include "gl/GrGLInterface.h" |
| #include "gl/GrGLUtil.h" |
| |
| #ifndef GL_GLEXT_PROTOTYPES |
| #define GL_GLEXT_PROTOTYPES |
| #endif |
| |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| |
| #include <EGL/egl.h> |
| |
| const GrGLInterface* GrGLCreateNativeInterface() { |
| static SkAutoTUnref<GrGLInterface> glInterface; |
| if (!glInterface.get()) { |
| GrGLExtensions extensions; |
| GrGLGetStringiProc getStringi; |
| #if GL_ES_VERSION_3_0 |
| getStringi = glGetStringi; |
| #else |
| getStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi"); |
| #endif |
| |
| if (!extensions.init(kES_GrGLBinding, glGetString, getStringi, glGetIntegerv)) { |
| return NULL; |
| } |
| const char* verStr = reinterpret_cast<const char*>(glGetString(GR_GL_VERSION)); |
| GrGLVersion version = GrGLGetVersionFromString(verStr); |
| if (version < GR_GL_VER(2,0)) { |
| return NULL; |
| } |
| |
| GrGLInterface* interface = new GrGLInterface; |
| glInterface.reset(interface); |
| interface->fBindingsExported = kES_GrGLBinding; |
| interface->fActiveTexture = glActiveTexture; |
| interface->fAttachShader = glAttachShader; |
| interface->fBindAttribLocation = glBindAttribLocation; |
| interface->fBindBuffer = glBindBuffer; |
| interface->fBindTexture = glBindTexture; |
| interface->fBindVertexArray = glBindVertexArrayOES; |
| interface->fBlendColor = glBlendColor; |
| interface->fBlendFunc = glBlendFunc; |
| 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->fCopyTexSubImage2D = glCopyTexSubImage2D; |
| interface->fCreateProgram = glCreateProgram; |
| interface->fCreateShader = glCreateShader; |
| interface->fCullFace = glCullFace; |
| interface->fDeleteBuffers = glDeleteBuffers; |
| interface->fDeleteProgram = glDeleteProgram; |
| interface->fDeleteShader = glDeleteShader; |
| interface->fDeleteTextures = glDeleteTextures; |
| interface->fDeleteVertexArrays = glDeleteVertexArraysOES; |
| interface->fDepthMask = glDepthMask; |
| interface->fDisable = glDisable; |
| interface->fDisableVertexAttribArray = glDisableVertexAttribArray; |
| interface->fDrawArrays = glDrawArrays; |
| interface->fDrawElements = glDrawElements; |
| interface->fEnable = glEnable; |
| interface->fEnableVertexAttribArray = glEnableVertexAttribArray; |
| interface->fFinish = glFinish; |
| interface->fFlush = glFlush; |
| interface->fFrontFace = glFrontFace; |
| interface->fGenBuffers = glGenBuffers; |
| interface->fGenerateMipmap = glGenerateMipmap; |
| interface->fGenTextures = glGenTextures; |
| interface->fGenVertexArrays = glGenVertexArraysOES; |
| 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->fGetStringi = getStringi; // located above |
| interface->fGetUniformLocation = glGetUniformLocation; |
| interface->fLineWidth = glLineWidth; |
| interface->fLinkProgram = glLinkProgram; |
| interface->fPixelStorei = glPixelStorei; |
| interface->fReadPixels = glReadPixels; |
| interface->fScissor = glScissor; |
| #if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE |
| interface->fShaderSource = (GrGLShaderSourceProc) glShaderSource; |
| #else |
| interface->fShaderSource = glShaderSource; |
| #endif |
| interface->fStencilFunc = glStencilFunc; |
| interface->fStencilFuncSeparate = glStencilFuncSeparate; |
| interface->fStencilMask = glStencilMask; |
| interface->fStencilMaskSeparate = glStencilMaskSeparate; |
| interface->fStencilOp = glStencilOp; |
| interface->fStencilOpSeparate = glStencilOpSeparate; |
| interface->fTexImage2D = glTexImage2D; |
| interface->fTexParameteri = glTexParameteri; |
| interface->fTexParameteriv = glTexParameteriv; |
| interface->fTexSubImage2D = glTexSubImage2D; |
| |
| if (version >= GR_GL_VER(3,0)) { |
| #if GL_ES_VERSION_3_0 |
| interface->fTexStorage2D = glTexStorage2D; |
| #else |
| interface->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2D"); |
| #endif |
| } else { |
| #if GL_EXT_texture_storage |
| interface->fTexStorage2D = glTexStorage2DEXT; |
| #else |
| interface->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2DEXT"); |
| #endif |
| } |
| |
| #if GL_EXT_discard_framebuffer |
| interface->fDiscardFramebuffer = glDiscardFramebufferEXT; |
| #endif |
| 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->fUniformMatrix2fv = glUniformMatrix2fv; |
| interface->fUniformMatrix3fv = glUniformMatrix3fv; |
| interface->fUniformMatrix4fv = glUniformMatrix4fv; |
| interface->fUseProgram = glUseProgram; |
| interface->fVertexAttrib4fv = glVertexAttrib4fv; |
| interface->fVertexAttribPointer = glVertexAttribPointer; |
| interface->fViewport = glViewport; |
| interface->fBindFramebuffer = glBindFramebuffer; |
| interface->fBindRenderbuffer = glBindRenderbuffer; |
| interface->fCheckFramebufferStatus = glCheckFramebufferStatus; |
| interface->fDeleteFramebuffers = glDeleteFramebuffers; |
| interface->fDeleteRenderbuffers = glDeleteRenderbuffers; |
| interface->fFramebufferRenderbuffer = glFramebufferRenderbuffer; |
| interface->fFramebufferTexture2D = glFramebufferTexture2D; |
| if (extensions.has("GL_EXT_multisampled_render_to_texture")) { |
| #if GL_EXT_multisampled_render_to_texture |
| interface->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleEXT; |
| interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisampleEXT; |
| #else |
| interface->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleEXT"); |
| interface->fRenderbufferStorageMultisample = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleEXT"); |
| #endif |
| } else if (extensions.has("GL_IMG_multisampled_render_to_texture")) { |
| #if GL_IMG_multisampled_render_to_texture |
| interface->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleIMG; |
| interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisampleIMG; |
| #else |
| interface->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleIMG"); |
| interface->fRenderbufferStorageMultisample = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleIMG"); |
| #endif |
| } |
| interface->fGenFramebuffers = glGenFramebuffers; |
| interface->fGenRenderbuffers = glGenRenderbuffers; |
| interface->fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameteriv; |
| interface->fGetRenderbufferParameteriv = glGetRenderbufferParameteriv; |
| interface->fRenderbufferStorage = glRenderbufferStorage; |
| #if GL_OES_mapbuffer |
| interface->fMapBuffer = glMapBufferOES; |
| interface->fUnmapBuffer = glUnmapBufferOES; |
| #else |
| interface->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES"); |
| interface->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES"); |
| #endif |
| } |
| glInterface.get()->ref(); |
| return glInterface.get(); |
| } |
