2 * Copyright 2013 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
8 #include "GrGLContext.h"
10 ////////////////////////////////////////////////////////////////////////////////
12 GrGLContextInfo& GrGLContextInfo::operator= (const GrGLContextInfo& that) {
13 fInterface.reset(SkSafeRef(that.fInterface.get()));
14 fGLVersion = that.fGLVersion;
15 fGLSLGeneration = that.fGLSLGeneration;
16 fVendor = that.fVendor;
17 fRenderer = that.fRenderer;
18 fIsMesa = that.fIsMesa;
19 fIsChromium = that.fIsChromium;
20 *fGLCaps = *that.fGLCaps.get();
24 bool GrGLContextInfo::initialize(const GrGLInterface* interface) {
26 // We haven't validated the GrGLInterface yet, so check for GetString
28 if (interface->fFunctions.fGetString) {
29 const GrGLubyte* verUByte;
30 GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION));
31 const char* ver = reinterpret_cast<const char*>(verUByte);
33 const GrGLubyte* rendererUByte;
34 GR_GL_CALL_RET(interface, rendererUByte, GetString(GR_GL_RENDERER));
35 const char* renderer = reinterpret_cast<const char*>(rendererUByte);
37 if (interface->validate()) {
39 fGLVersion = GrGLGetVersionFromString(ver);
40 if (GR_GL_INVALID_VER == fGLVersion) {
44 if (!GrGetGLSLGeneration(interface, &fGLSLGeneration)) {
48 fVendor = GrGLGetVendor(interface);
50 fRenderer = GrGLGetRendererFromString(renderer);
52 fIsMesa = GrGLIsMesaFromVersionString(ver);
54 fIsChromium = GrGLIsChromiumFromRendererString(renderer);
56 // This must occur before caps init.
57 fInterface.reset(SkRef(interface));
59 return fGLCaps->init(*this, interface);
65 bool GrGLContextInfo::isInitialized() const {
66 return NULL != fInterface.get();
69 void GrGLContextInfo::reset() {
70 fInterface.reset(NULL);
71 fGLVersion = GR_GL_VER(0, 0);
72 fGLSLGeneration = static_cast<GrGLSLGeneration>(0);
73 fVendor = kOther_GrGLVendor;
74 fRenderer = kOther_GrGLRenderer;