The Tor Browser: gfx/skia/trunk/src/gpu/gl/GrGLContext.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * Copyright 2013 Google Inc.

     3  *

     4  * Use of this source code is governed by a BSD-style license that can be

     5  * found in the LICENSE file.

     6  */

     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();

    21     return *this;

    22 }

    24 bool GrGLContextInfo::initialize(const GrGLInterface* interface) {

    25     this->reset();

    26     // We haven't validated the GrGLInterface yet, so check for GetString

    27     // function pointer

    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);

    41             fGLSLGeneration = GrGetGLSLGeneration(interface);

    43             fVendor = GrGLGetVendor(interface);

    45             fRenderer = GrGLGetRendererFromString(renderer);

    47             fIsMesa = GrGLIsMesaFromVersionString(ver);

    49             fIsChromium = GrGLIsChromiumFromRendererString(renderer);

    51             // This must occur before caps init.

    52             fInterface.reset(SkRef(interface));

    54             fGLCaps->init(*this, interface);

    56             return true;

    57         }

    58     }

    59     return false;

    60 }

    62 bool GrGLContextInfo::isInitialized() const {

    63     return NULL != fInterface.get();

    64 }

    66 void GrGLContextInfo::reset() {

    67     fInterface.reset(NULL);

    68     fGLVersion = GR_GL_VER(0, 0);

    69     fGLSLGeneration = static_cast<GrGLSLGeneration>(0);

    70     fVendor = kOther_GrGLVendor;

    71     fRenderer = kOther_GrGLRenderer;

    72     fIsMesa = false;

    73     fIsChromium = false;

    74     fGLCaps->reset();

    75 }

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