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//
// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// DisplayWGL.h: WGL implementation of egl::Display
#ifndef LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_
#define LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_
#include "libANGLE/renderer/gl/DisplayGL.h"
#include <GL/wglext.h>
namespace rx
{
class FunctionsWGL;
class DisplayWGL : public DisplayGL
{
public:
DisplayWGL();
~DisplayWGL() override;
egl::Error initialize(egl::Display *display) override;
void terminate() override;
// Surface creation
SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
const egl::Config *configuration,
EGLNativeWindowType window,
const egl::AttributeMap &attribs) override;
SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
const egl::Config *configuration,
const egl::AttributeMap &attribs) override;
SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
const egl::Config *configuration,
EGLenum buftype,
EGLClientBuffer clientBuffer,
const egl::AttributeMap &attribs) override;
SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
const egl::Config *configuration,
NativePixmapType nativePixmap,
const egl::AttributeMap &attribs) override;
egl::ConfigSet generateConfigs() override;
bool testDeviceLost() override;
egl::Error restoreLostDevice() override;
bool isValidNativeWindow(EGLNativeWindowType window) const override;
egl::Error validateClientBuffer(const egl::Config *configuration,
EGLenum buftype,
EGLClientBuffer clientBuffer,
const egl::AttributeMap &attribs) const override;
egl::Error getDevice(DeviceImpl **device) override;
std::string getVendorString() const override;
egl::Error waitClient() const override;
egl::Error waitNative(EGLint engine,
egl::Surface *drawSurface,
egl::Surface *readSurface) const override;
egl::Error getDriverVersion(std::string *version) const override;
egl::Error registerD3DDevice(IUnknown *device, HANDLE *outHandle);
void releaseD3DDevice(HANDLE handle);
private:
const FunctionsGL *getFunctionsGL() const override;
egl::Error initializeD3DDevice();
void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
void generateCaps(egl::Caps *outCaps) const override;
HMODULE mOpenGLModule;
FunctionsWGL *mFunctionsWGL;
FunctionsGL *mFunctionsGL;
bool mHasRobustness;
ATOM mWindowClass;
HWND mWindow;
HDC mDeviceContext;
int mPixelFormat;
HGLRC mWGLContext;
bool mUseDXGISwapChains;
HMODULE mDxgiModule;
HMODULE mD3d11Module;
HANDLE mD3D11DeviceHandle;
ID3D11Device *mD3D11Device;
struct D3DObjectHandle
{
HANDLE handle;
size_t refCount;
};
std::map<IUnknown *, D3DObjectHandle> mRegisteredD3DDevices;
egl::Display *mDisplay;
};
}
#endif // LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_
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