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//
// Copyright 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 <unordered_map>
#include "libANGLE/renderer/gl/DisplayGL.h"
#include <GL/wglext.h>
namespace rx
{
class FunctionsWGL;
class RendererWGL;
class WorkerContext;
class DisplayWGL : public DisplayGL
{
public:
DisplayWGL(const egl::DisplayState &state);
~DisplayWGL() override;
egl::Error initialize(egl::Display *display) override;
void terminate() override;
// Surface creation
SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
EGLNativeWindowType window,
const egl::AttributeMap &attribs) override;
SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
const egl::AttributeMap &attribs) override;
SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
EGLenum buftype,
EGLClientBuffer clientBuffer,
const egl::AttributeMap &attribs) override;
SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
NativePixmapType nativePixmap,
const egl::AttributeMap &attribs) override;
ContextImpl *createContext(const gl::State &state,
gl::ErrorSet *errorSet,
const egl::Config *configuration,
const gl::Context *shareContext,
const egl::AttributeMap &attribs) override;
egl::ConfigSet generateConfigs() override;
bool testDeviceLost() override;
egl::Error restoreLostDevice(const egl::Display *display) 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 waitClient(const gl::Context *context) override;
egl::Error waitNative(const gl::Context *context, EGLint engine) override;
egl::Error makeCurrent(egl::Display *display,
egl::Surface *drawSurface,
egl::Surface *readSurface,
gl::Context *context) override;
egl::Error registerD3DDevice(IUnknown *device, HANDLE *outHandle);
void releaseD3DDevice(HANDLE handle);
gl::Version getMaxSupportedESVersion() const override;
void destroyNativeContext(HGLRC context);
WorkerContext *createWorkerContext(std::string *infoLog,
HGLRC sharedContext,
const std::vector<int> &workerContextAttribs);
void initializeFrontendFeatures(angle::FrontendFeatures *features) const override;
void populateFeatureList(angle::FeatureList *features) override;
RendererGL *getRenderer() const override;
private:
egl::Error initializeImpl(egl::Display *display);
void destroy();
egl::Error initializeD3DDevice();
void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
void generateCaps(egl::Caps *outCaps) const override;
egl::Error makeCurrentSurfaceless(gl::Context *context) override;
HGLRC initializeContextAttribs(const egl::AttributeMap &eglAttributes,
HGLRC &sharedContext,
bool &useARBShare,
std::vector<int> &workerContextAttribs) const;
HGLRC createContextAttribs(const gl::Version &version,
int profileMask,
HGLRC &sharedContext,
bool &useARBShare,
std::vector<int> &workerContextAttribs) const;
egl::Error createRenderer(std::shared_ptr<RendererWGL> *outRenderer);
std::shared_ptr<RendererWGL> mRenderer;
struct CurrentNativeContext
{
HDC dc = nullptr;
HGLRC glrc = nullptr;
};
angle::HashMap<uint64_t, CurrentNativeContext> mCurrentNativeContexts;
HMODULE mOpenGLModule;
FunctionsWGL *mFunctionsWGL;
bool mHasWGLCreateContextRobustness;
bool mHasRobustness;
egl::AttributeMap mDisplayAttributes;
ATOM mWindowClass;
HWND mWindow;
HDC mDeviceContext;
int mPixelFormat;
bool mUseDXGISwapChains;
bool mHasDXInterop;
HMODULE mDxgiModule;
HMODULE mD3d11Module;
HANDLE mD3D11DeviceHandle;
ID3D11Device *mD3D11Device;
ID3D11Device1 *mD3D11Device1;
struct D3DObjectHandle
{
HANDLE handle;
size_t refCount;
};
std::map<IUnknown *, D3DObjectHandle> mRegisteredD3DDevices;
bool mUseARBShare;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_