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// Copyright 2016 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/init/gl_factory.h"
#include "base/logging.h"
#include "base/trace_event/trace_event.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_context_stub.h"
#include "ui/gl/gl_egl_api_implementation.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_share_group.h"
#include "ui/gl/gl_surface.h"
#include "ui/gl/gl_surface_stub.h"
#include "ui/gl/init/ozone_util.h"
namespace gl {
namespace init {
std::vector<GLImplementation> GetAllowedGLImplementations() {
DCHECK(GetSurfaceFactoryOzone());
return GetSurfaceFactoryOzone()->GetAllowedGLImplementations();
}
bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) {
if (HasGLOzone())
return GetGLOzone()->GetGLWindowSystemBindingInfo(info);
return false;
}
scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group,
GLSurface* compatible_surface,
const GLContextAttribs& attribs) {
TRACE_EVENT0("gpu", "gl::init::CreateGLContext");
if (HasGLOzone()) {
return GetGLOzone()->CreateGLContext(share_group, compatible_surface,
attribs);
}
switch (GetGLImplementation()) {
case kGLImplementationMockGL:
return scoped_refptr<GLContext>(new GLContextStub(share_group));
case kGLImplementationStubGL: {
scoped_refptr<GLContextStub> stub_context =
new GLContextStub(share_group);
stub_context->SetUseStubApi(true);
return stub_context;
}
default:
NOTREACHED();
}
return nullptr;
}
scoped_refptr<GLSurface> CreateViewGLSurface(gfx::AcceleratedWidget window) {
TRACE_EVENT0("gpu", "gl::init::CreateViewGLSurface");
if (HasGLOzone())
return GetGLOzone()->CreateViewGLSurface(window);
switch (GetGLImplementation()) {
case kGLImplementationMockGL:
case kGLImplementationStubGL:
return InitializeGLSurface(new GLSurfaceStub());
default:
NOTREACHED();
}
return nullptr;
}
scoped_refptr<GLSurface> CreateSurfacelessViewGLSurface(
gfx::AcceleratedWidget window) {
TRACE_EVENT0("gpu", "gl::init::CreateSurfacelessViewGLSurface");
if (HasGLOzone())
return GetGLOzone()->CreateSurfacelessViewGLSurface(window);
return nullptr;
}
scoped_refptr<GLSurface> CreateOffscreenGLSurfaceWithFormat(
const gfx::Size& size, GLSurfaceFormat format) {
TRACE_EVENT0("gpu", "gl::init::CreateOffscreenGLSurface");
if (!format.IsCompatible(GLSurfaceFormat())) {
NOTREACHED() << "FATAL: Ozone only supports default-format surfaces.";
return nullptr;
}
if (HasGLOzone())
return GetGLOzone()->CreateOffscreenGLSurface(size);
switch (GetGLImplementation()) {
case kGLImplementationMockGL:
case kGLImplementationStubGL:
return InitializeGLSurface(new GLSurfaceStub);
default:
NOTREACHED();
}
return nullptr;
}
void SetDisabledExtensionsPlatform(const std::string& disabled_extensions) {
if (HasGLOzone()) {
GetGLOzone()->SetDisabledExtensionsPlatform(disabled_extensions);
return;
}
switch (GetGLImplementation()) {
case kGLImplementationMockGL:
case kGLImplementationStubGL:
break;
default:
NOTREACHED();
}
}
bool InitializeExtensionSettingsOneOffPlatform() {
if (HasGLOzone())
return GetGLOzone()->InitializeExtensionSettingsOneOffPlatform();
switch (GetGLImplementation()) {
case kGLImplementationMockGL:
case kGLImplementationStubGL:
return true;
default:
NOTREACHED();
return false;
}
}
} // namespace init
} // namespace gl
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