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/*
* Copyright (C) 2012 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#pragma once
#if USE(EGL)
#include "GLContext.h"
#if PLATFORM(X11)
#include "XUniqueResource.h"
#endif
#if PLATFORM(WAYLAND)
#include "WlUniquePtr.h"
struct wl_egl_window;
#endif
#if USE(WPE_RENDERER)
struct wpe_renderer_backend_egl_offscreen_target;
#endif
typedef intptr_t EGLAttrib;
typedef unsigned EGLBoolean;
typedef void *EGLClientBuffer;
typedef void *EGLConfig;
typedef void *EGLContext;
typedef void *EGLDisplay;
typedef void *EGLImage;
typedef void *EGLImageKHR;
typedef void *EGLSurface;
typedef unsigned EGLenum;
typedef int32_t EGLint;
#if !defined(PFNEGLCREATEIMAGEPROC)
typedef EGLImage (*PFNEGLCREATEIMAGEPROC) (EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, const EGLAttrib*);
#endif
#if !defined(PFNEGLDESTROYIMAGEPROC)
typedef EGLBoolean (*PFNEGLDESTROYIMAGEPROC) (EGLDisplay, EGLImage);
#endif
#if !defined(PFNEGLCREATEIMAGEKHRPROC)
typedef EGLImageKHR (*PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay, EGLContext, EGLenum target, EGLClientBuffer, const EGLint* attribList);
#endif
#if !defined(PFNEGLDESTROYIMAGEKHRPROC)
typedef EGLBoolean (*PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay, EGLImageKHR);
#endif
namespace WebCore {
class GLContextEGL final : public GLContext {
WTF_MAKE_NONCOPYABLE(GLContextEGL);
public:
static std::unique_ptr<GLContextEGL> createContext(GLNativeWindowType, PlatformDisplay&);
static std::unique_ptr<GLContextEGL> createSharingContext(PlatformDisplay&);
static const char* errorString(int statusCode);
static const char* lastErrorString();
EGLConfig config() const { return m_config; }
EGLImage createImage(EGLenum target, EGLClientBuffer, const Vector<EGLAttrib>&) const;
bool destroyImage(EGLImage) const;
virtual ~GLContextEGL();
private:
static EGLContext createContextForEGLVersion(PlatformDisplay&, EGLConfig, EGLContext);
bool makeContextCurrent() override;
void swapBuffers() override;
void waitNative() override;
bool canRenderToDefaultFramebuffer() override;
IntSize defaultFrameBufferSize() override;
void swapInterval(int) override;
bool isEGLContext() const override { return true; }
GCGLContext platformContext() override;
enum EGLSurfaceType { PbufferSurface, WindowSurface, PixmapSurface, Surfaceless };
GLContextEGL(PlatformDisplay&, EGLContext, EGLSurface, EGLConfig, EGLSurfaceType);
#if PLATFORM(X11)
GLContextEGL(PlatformDisplay&, EGLContext, EGLSurface, EGLConfig, XUniquePixmap&&);
#endif
#if PLATFORM(WAYLAND)
GLContextEGL(PlatformDisplay&, EGLContext, EGLSurface, EGLConfig, WlUniquePtr<struct wl_surface>&&, struct wl_egl_window*);
void destroyWaylandWindow();
#endif
#if USE(WPE_RENDERER)
GLContextEGL(PlatformDisplay&, EGLContext, EGLSurface, EGLConfig, struct wpe_renderer_backend_egl_offscreen_target*);
void destroyWPETarget();
#endif
static std::unique_ptr<GLContextEGL> createWindowContext(GLNativeWindowType, PlatformDisplay&, EGLContext sharingContext = nullptr);
static std::unique_ptr<GLContextEGL> createPbufferContext(PlatformDisplay&, EGLContext sharingContext = nullptr);
static std::unique_ptr<GLContextEGL> createSurfacelessContext(PlatformDisplay&, EGLContext sharingContext = nullptr);
#if PLATFORM(X11)
static std::unique_ptr<GLContextEGL> createPixmapContext(PlatformDisplay&, EGLContext sharingContext = nullptr);
static EGLSurface createWindowSurfaceX11(EGLDisplay, EGLConfig, GLNativeWindowType);
#endif
#if PLATFORM(WAYLAND)
static std::unique_ptr<GLContextEGL> createWaylandContext(PlatformDisplay&, EGLContext sharingContext = nullptr);
static EGLSurface createWindowSurfaceWayland(EGLDisplay, EGLConfig, GLNativeWindowType);
#endif
#if USE(WPE_RENDERER)
static std::unique_ptr<GLContextEGL> createWPEContext(PlatformDisplay&, EGLContext sharingContext = nullptr);
static EGLSurface createWindowSurfaceWPE(EGLDisplay, EGLConfig, GLNativeWindowType);
#endif
static bool getEGLConfig(EGLDisplay, EGLConfig*, EGLSurfaceType);
EGLContext m_context { nullptr };
EGLSurface m_surface { nullptr };
EGLConfig m_config { nullptr };
EGLSurfaceType m_type;
PFNEGLCREATEIMAGEPROC m_eglCreateImage { nullptr };
PFNEGLDESTROYIMAGEPROC m_eglDestroyImage { nullptr };
PFNEGLCREATEIMAGEKHRPROC m_eglCreateImageKHR { nullptr };
PFNEGLDESTROYIMAGEKHRPROC m_eglDestroyImageKHR { nullptr };
#if PLATFORM(X11)
XUniquePixmap m_pixmap;
#endif
#if PLATFORM(WAYLAND)
WlUniquePtr<struct wl_surface> m_wlSurface;
struct wl_egl_window* m_wlWindow { nullptr };
#endif
#if USE(WPE_RENDERER)
struct wpe_renderer_backend_egl_offscreen_target* m_wpeTarget { nullptr };
#endif
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_GLCONTEXT(GLContextEGL, isEGLContext());
#endif // USE(EGL)
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