Differential D29015 Diff 82867 plugins/platforms/drm/egl_gbm_backend.h

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plugins/platforms/drm/egl_gbm_backend.h

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16 16​
17You should have received a copy of the GNU General Public License 17​You should have received a copy of the GNU General Public License
18along with this program. If not, see <http://www.gnu.org/licenses/>. 18​along with this program. If not, see <http://www.gnu.org/licenses/>.
19*********************************************************************/ 19​*********************************************************************/
20#ifndef KWIN_EGL_GBM_BACKEND_H 20​#ifndef KWIN_EGL_GBM_BACKEND_H
21#define KWIN_EGL_GBM_BACKEND_H 21​#define KWIN_EGL_GBM_BACKEND_H
22#include "abstract_egl_backend.h" 22​#include "abstract_egl_backend.h"
23#include "remoteaccess_manager.h" 23​#include "remoteaccess_manager.h"
24​#include <KWaylandServer/screencast_interface.h>
24 25​
26​#include <optional>
25#include <memory> 27​#include <memory>
26 28​
27struct gbm_surface; 29​struct gbm_surface;
30​class ScreenCastStream;
28 31​
29namespace KWin 32​namespace KWin
30{ 33​{
31class DrmBackend; 34​class DrmBackend;
32class DrmBuffer; 35​class DrmBuffer;
36​class DrmSurfaceBuffer;
33class DrmOutput; 37​class DrmOutput;
34class GbmSurface; 38​class GbmSurface;
35 39​
36/** 40​/**
37 * @brief OpenGL Backend using Egl on a GBM surface. 41​ * @brief OpenGL Backend using Egl on a GBM surface.
38 */ 42​ */
39class EglGbmBackend : public AbstractEglBackend 43​class EglGbmBackend : public AbstractEglBackend
40{ 44​{
41 Q_OBJECT 45​ Q_OBJECT
42public: 46​public:
43 EglGbmBackend(DrmBackend *drmBackend); 47​ EglGbmBackend(DrmBackend *drmBackend);
44 ~EglGbmBackend() override; 48​ ~EglGbmBackend() override;
45 void screenGeometryChanged(const QSize &size) override; 49​ void screenGeometryChanged(const QSize &size) override;
46 SceneOpenGLTexturePrivate *createBackendTexture(SceneOpenGLTexture *texture) override; 50​ SceneOpenGLTexturePrivate *createBackendTexture(SceneOpenGLTexture *texture) override;
47 QRegion prepareRenderingFrame() override; 51​ QRegion prepareRenderingFrame() override;
48 void endRenderingFrame(const QRegion &renderedRegion, const QRegion &damagedRegion) override; 52​ void endRenderingFrame(const QRegion &renderedRegion, const QRegion &damagedRegion) override;
49 void endRenderingFrameForScreen(int screenId, const QRegion &damage, const QRegion &damagedRegion) override; 53​ void endRenderingFrameForScreen(int screenId, const QRegion &damage, const QRegion &damagedRegion) override;
50 bool usesOverlayWindow() const override; 54​ bool usesOverlayWindow() const override;
51 bool perScreenRendering() const override; 55​ bool perScreenRendering() const override;
52 QRegion prepareRenderingForScreen(int screenId) override; 56​ QRegion prepareRenderingForScreen(int screenId) override;
53 void init() override; 57​ void init() override;
54 58​
59​Q_SIGNALS:
60​ void passBuffer(DrmOutput *output, DrmSurfaceBuffer* gbmbuf);
61​
55protected: 62​protected:
56 void present() override; 63​ void present() override;
57 void cleanupSurfaces() override; 64​ void cleanupSurfaces() override;
58 65​
59private: 66​private:
60 bool initializeEgl(); 67​ bool initializeEgl();
61 bool initBufferConfigs(); 68​ bool initBufferConfigs();
62 bool initRenderingContext(); 69​ bool initRenderingContext();
63 void initRemotePresent(); 70​ void initRemotePresent();
71​
72​ void streamingRequested(KWaylandServer::ScreencastStreamInterface* stream, ::wl_resource *output);
64 struct Output { 73​ struct Output {
65 DrmOutput *output = nullptr; 74​ DrmOutput *output = nullptr;
66 DrmBuffer *buffer = nullptr; 75​ DrmBuffer *buffer = nullptr;
67 std::shared_ptr<GbmSurface> gbmSurface; 76​ std::shared_ptr<GbmSurface> gbmSurface;
68 EGLSurface eglSurface = EGL_NO_SURFACE; 77​ EGLSurface eglSurface = EGL_NO_SURFACE;
69 int bufferAge = 0; 78​ int bufferAge = 0;
70 /** 79​ /**
71 * @brief The damage history for the past 10 frames. 80​ * @brief The damage history for the past 10 frames.
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96 void presentOnOutput(Output &output); 105​ void presentOnOutput(Output &output);
97 106​
98 void removeOutput(DrmOutput *drmOutput); 107​ void removeOutput(DrmOutput *drmOutput);
99 void cleanupOutput(Output &output); 108​ void cleanupOutput(Output &output);
100 void cleanupFramebuffer(Output &output); 109​ void cleanupFramebuffer(Output &output);
101 110​
102 DrmBackend *m_backend; 111​ DrmBackend *m_backend;
103 QVector<Output> m_outputs; 112​ QVector<Output> m_outputs;
113​ QVector<ScreenCastStream*> m_streams;
104 QScopedPointer<RemoteAccessManager> m_remoteaccessManager; 114​ QScopedPointer<RemoteAccessManager> m_remoteaccessManager;
105 friend class EglGbmTexture; 115​ friend class EglGbmTexture;
106}; 116​};
107 117​
108/** 118​/**
109 * @brief Texture using an EGLImageKHR. 119​ * @brief Texture using an EGLImageKHR.
110 */ 120​ */
111class EglGbmTexture : public AbstractEglTexture 121​class EglGbmTexture : public AbstractEglTexture
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