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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Display.h: Defines the egl::Display class, representing the abstract
// display on which graphics are drawn. Implements EGLDisplay.
// [EGL 1.4] section 2.1.2 page 3.
#ifndef INCLUDE_DISPLAY_H_
#define INCLUDE_DISPLAY_H_
#include "Config.h"
#include "Common/MutexLock.hpp"
#include "Sync.hpp"
#include "common/NameSpace.hpp"
#include <set>
#ifndef EGL_ANGLE_iosurface_client_buffer
#define EGL_ANGLE_iosurface_client_buffer 1
#define EGL_IOSURFACE_ANGLE 0x3454
#define EGL_IOSURFACE_PLANE_ANGLE 0x345A
#define EGL_TEXTURE_RECTANGLE_ANGLE 0x345B
#define EGL_TEXTURE_TYPE_ANGLE 0x345C
#define EGL_TEXTURE_INTERNAL_FORMAT_ANGLE 0x345D
#endif // EGL_ANGLE_iosurface_client_buffer
namespace egl
{
class Surface;
class Context;
class Image;
const EGLDisplay PRIMARY_DISPLAY = reinterpret_cast<EGLDisplay>((intptr_t)1);
const EGLDisplay HEADLESS_DISPLAY = reinterpret_cast<EGLDisplay>((intptr_t)0xFACE1E55);
class [[clang::lto_visibility_public]] Display
{
protected:
explicit Display(EGLDisplay eglDisplay, void *nativeDisplay);
virtual ~Display() = 0;
public:
static Display *get(EGLDisplay dpy);
bool initialize();
void terminate();
bool getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig);
bool getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value);
EGLSurface createWindowSurface(EGLNativeWindowType window, EGLConfig config, const EGLAttrib *attribList);
EGLSurface createPBufferSurface(EGLConfig config, const EGLint *attribList, EGLClientBuffer clientBuffer = nullptr);
EGLContext createContext(EGLConfig configHandle, const Context *shareContext, EGLint clientVersion);
EGLSyncKHR createSync(Context *context);
void destroySurface(Surface *surface);
void destroyContext(Context *context);
void destroySync(FenceSync *sync);
bool isInitialized() const;
bool isValidConfig(EGLConfig config);
bool isValidContext(Context *context);
bool isValidSurface(Surface *surface);
bool isValidWindow(EGLNativeWindowType window);
bool hasExistingWindowSurface(EGLNativeWindowType window);
bool isValidSync(FenceSync *sync);
EGLint getMinSwapInterval() const;
EGLint getMaxSwapInterval() const;
EGLDisplay getEGLDisplay() const;
void *getNativeDisplay() const;
EGLImageKHR createSharedImage(Image *image);
bool destroySharedImage(EGLImageKHR);
virtual Image *getSharedImage(EGLImageKHR name) = 0;
sw::MutexLock *getLock() { return &mApiMutex; }
private:
sw::Format getDisplayFormat() const;
const EGLDisplay eglDisplay;
void *const nativeDisplay;
EGLint mMaxSwapInterval;
EGLint mMinSwapInterval;
typedef std::set<Surface*> SurfaceSet;
SurfaceSet mSurfaceSet;
ConfigSet mConfigSet;
typedef std::set<Context*> ContextSet;
ContextSet mContextSet;
typedef std::set<FenceSync*> SyncSet;
SyncSet mSyncSet;
gl::NameSpace<Image> mSharedImageNameSpace;
sw::MutexLock mApiMutex;
};
}
#endif // INCLUDE_DISPLAY_H_