1/*
2 * Copyright (C) 2016 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "AcceleratedBackingStore.h"
29
30#if PLATFORM(WAYLAND)
31
32#include <WebCore/RefPtrCairo.h>
33#include <gtk/gtk.h>
34#include <wtf/glib/GRefPtr.h>
35
36#if USE(WPE_RENDERER)
37#include <wpe/fdo.h>
38#endif
39
40typedef void* EGLImageKHR;
41typedef struct _GdkGLContext GdkGLContext;
42struct wpe_fdo_egl_exported_image;
43
44namespace WebCore {
45class GLContext;
46}
47
48namespace WebKit {
49
50class WebPageProxy;
51
52class AcceleratedBackingStoreWayland final : public AcceleratedBackingStore {
53 WTF_MAKE_NONCOPYABLE(AcceleratedBackingStoreWayland); WTF_MAKE_FAST_ALLOCATED;
54public:
55 static std::unique_ptr<AcceleratedBackingStoreWayland> create(WebPageProxy&);
56 ~AcceleratedBackingStoreWayland();
57
58private:
59 AcceleratedBackingStoreWayland(WebPageProxy&);
60
61 void tryEnsureGLContext();
62#if USE(WPE_RENDERER)
63 void displayBuffer(struct wpe_fdo_egl_exported_image*);
64#endif
65
66 bool paint(cairo_t*, const WebCore::IntRect&) override;
67 bool makeContextCurrent() override;
68#if USE(WPE_RENDERER)
69 void update(const LayerTreeContext&) override;
70 int renderHostFileDescriptor() override;
71#endif
72
73 RefPtr<cairo_surface_t> m_surface;
74 bool m_glContextInitialized { false };
75#if GTK_CHECK_VERSION(3, 16, 0)
76 GRefPtr<GdkGLContext> m_gdkGLContext;
77#endif
78 std::unique_ptr<WebCore::GLContext> m_glContext;
79
80#if USE(WPE_RENDERER)
81 struct wpe_view_backend_exportable_fdo* m_exportable { nullptr };
82 uint64_t m_surfaceID { 0 };
83 unsigned m_viewTexture { 0 };
84 struct wpe_fdo_egl_exported_image* m_committedImage { nullptr };
85 struct wpe_fdo_egl_exported_image* m_pendingImage { nullptr };
86#endif
87};
88
89} // namespace WebKit
90
91#endif // PLATFORM(WAYLAND)
92