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// Copyright 2018 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/ozone/platform/windows/windows_surface_factory.h"
#include "base/bind.h"
#include "base/files/file_util.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/post_task.h"
#include "build/build_config.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/skia_util.h"
#include "ui/gfx/vsync_provider.h"
#include "ui/gl/gl_surface_egl.h"
#include "ui/gl/vsync_provider_win.h"
#include "ui/ozone/common/egl_util.h"
#include "ui/ozone/common/gl_ozone_egl.h"
#include "ui/ozone/platform/windows/windows_window.h"
#include "ui/ozone/platform/windows/windows_window_manager.h"
namespace ui {
namespace {
class GLOzoneEGLWindows : public GLOzoneEGL {
public:
GLOzoneEGLWindows() = default;
~GLOzoneEGLWindows() override = default;
// GLOzone:
scoped_refptr<gl::GLSurface> CreateViewGLSurface(
gfx::AcceleratedWidget window) override {
return InitializeGLSurface(base::MakeRefCounted<gl::NativeViewGLSurfaceEGL>(
window, std::make_unique<gl::VSyncProviderWin>(window)));
}
scoped_refptr<gl::GLSurface> CreateOffscreenGLSurface(
const gfx::Size& size) override {
return gl::InitializeGLSurface(
base::MakeRefCounted<gl::PbufferGLSurfaceEGL>(size));
}
protected:
// GLOzoneEGL:
HDC GetNativeDisplay() override {
return GetWindowDC(nullptr);
}
bool LoadGLES2Bindings(gl::GLImplementation implementation) override {
return LoadDefaultEGLGLES2Bindings(implementation);
}
private:
DISALLOW_COPY_AND_ASSIGN(GLOzoneEGLWindows);
};
} // namespace
WindowsSurfaceFactory::WindowsSurfaceFactory()
: egl_implementation_(std::make_unique<GLOzoneEGLWindows>()) {}
WindowsSurfaceFactory::~WindowsSurfaceFactory() = default;
std::vector<gl::GLImplementation>
WindowsSurfaceFactory::GetAllowedGLImplementations() {
return std::vector<gl::GLImplementation>{gl::kGLImplementationEGLGLES2,
gl::kGLImplementationSwiftShaderGL};
}
GLOzone* WindowsSurfaceFactory::GetGLOzone(
gl::GLImplementation implementation) {
switch (implementation) {
case gl::kGLImplementationSwiftShaderGL:
case gl::kGLImplementationEGLGLES2:
return egl_implementation_.get();
default:
return nullptr;
}
}
} // namespace ui
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