michael@0: /*
michael@0:  * Copyright 2013 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: #include "GrGLContext.h"
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: GrGLContextInfo& GrGLContextInfo::operator= (const GrGLContextInfo& that) {
michael@0:     fInterface.reset(SkSafeRef(that.fInterface.get()));
michael@0:     fGLVersion      = that.fGLVersion;
michael@0:     fGLSLGeneration = that.fGLSLGeneration;
michael@0:     fVendor         = that.fVendor;
michael@0:     fRenderer       = that.fRenderer;
michael@0:     fIsMesa         = that.fIsMesa;
michael@0:     fIsChromium     = that.fIsChromium;
michael@0:     *fGLCaps        = *that.fGLCaps.get();
michael@0:     return *this;
michael@0: }
michael@0: 
michael@0: bool GrGLContextInfo::initialize(const GrGLInterface* interface) {
michael@0:     this->reset();
michael@0:     // We haven't validated the GrGLInterface yet, so check for GetString
michael@0:     // function pointer
michael@0:     if (interface->fFunctions.fGetString) {
michael@0:         const GrGLubyte* verUByte;
michael@0:         GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION));
michael@0:         const char* ver = reinterpret_cast<const char*>(verUByte);
michael@0: 
michael@0:         const GrGLubyte* rendererUByte;
michael@0:         GR_GL_CALL_RET(interface, rendererUByte, GetString(GR_GL_RENDERER));
michael@0:         const char* renderer = reinterpret_cast<const char*>(rendererUByte);
michael@0: 
michael@0:         if (interface->validate()) {
michael@0: 
michael@0:             fGLVersion = GrGLGetVersionFromString(ver);
michael@0: 
michael@0:             fGLSLGeneration = GrGetGLSLGeneration(interface);
michael@0: 
michael@0:             fVendor = GrGLGetVendor(interface);
michael@0: 
michael@0:             fRenderer = GrGLGetRendererFromString(renderer);
michael@0: 
michael@0:             fIsMesa = GrGLIsMesaFromVersionString(ver);
michael@0: 
michael@0:             fIsChromium = GrGLIsChromiumFromRendererString(renderer);
michael@0: 
michael@0:             // This must occur before caps init.
michael@0:             fInterface.reset(SkRef(interface));
michael@0: 
michael@0:             fGLCaps->init(*this, interface);
michael@0: 
michael@0:             return true;
michael@0:         }
michael@0:     }
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: bool GrGLContextInfo::isInitialized() const {
michael@0:     return NULL != fInterface.get();
michael@0: }
michael@0: 
michael@0: void GrGLContextInfo::reset() {
michael@0:     fInterface.reset(NULL);
michael@0:     fGLVersion = GR_GL_VER(0, 0);
michael@0:     fGLSLGeneration = static_cast<GrGLSLGeneration>(0);
michael@0:     fVendor = kOther_GrGLVendor;
michael@0:     fRenderer = kOther_GrGLRenderer;
michael@0:     fIsMesa = false;
michael@0:     fIsChromium = false;
michael@0:     fGLCaps->reset();
michael@0: }