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// Copyright (c) 2012 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 "ui/gl/gl_context_stub.h"
#include "ui/gl/gl_gl_api_implementation.h"
#include "ui/gl/gl_stub_api.h"
namespace gl {
GLContextStub::GLContextStub() : GLContextStub(nullptr) {}
GLContextStub::GLContextStub(GLShareGroup* share_group)
: GLContextReal(share_group),
use_stub_api_(false),
version_str_("OpenGL ES 3.0") {
SetExtensionsString("GL_EXT_framebuffer_object");
}
bool GLContextStub::Initialize(GLSurface* compatible_surface,
const GLContextAttribs& attribs) {
return true;
}
bool GLContextStub::MakeCurrent(GLSurface* surface) {
BindGLApi();
SetCurrent(surface);
InitializeDynamicBindings();
return true;
}
void GLContextStub::ReleaseCurrent(GLSurface* surface) {
SetCurrent(nullptr);
}
bool GLContextStub::IsCurrent(GLSurface* surface) {
return GetRealCurrent() == this;
}
void* GLContextStub::GetHandle() {
return nullptr;
}
void GLContextStub::OnSetSwapInterval(int interval) {
}
std::string GLContextStub::GetGLVersion() {
return version_str_;
}
std::string GLContextStub::GetGLRenderer() {
return std::string("CHROMIUM");
}
bool GLContextStub::WasAllocatedUsingRobustnessExtension() {
return HasExtension("GL_ARB_robustness") ||
HasExtension("GL_KHR_robustness") || HasExtension("GL_EXT_robustness");
}
void GLContextStub::SetUseStubApi(bool stub_api) {
use_stub_api_ = stub_api;
}
void GLContextStub::SetExtensionsString(const char* extensions) {
SetExtensionsFromString(extensions);
}
void GLContextStub::SetGLVersionString(const char* version_str) {
version_str_ = std::string(version_str ? version_str : "");
}
GLContextStub::~GLContextStub() {}
GLApi* GLContextStub::CreateGLApi(DriverGL* driver) {
if (use_stub_api_) {
GLStubApi* stub_api = new GLStubApi();
if (!version_str_.empty()) {
stub_api->set_version(version_str_);
}
if (!extension_string().empty()) {
stub_api->set_extensions(extension_string());
}
return stub_api;
}
return GLContext::CreateGLApi(driver);
}
} // namespace gl
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