File indexing completed on 2025-04-20 10:57:34

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2017 Martin Flöser <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #pragma once
 
 #include <QVector>
 #include <cstdint>
 #include <epoxy/egl.h>
 #include <memory>
 #include <variant>
 
 #include "drm_buffer_gbm.h"
 #include "utils/damagejournal.h"
 
 struct gbm_device;
 struct gbm_surface;
 
 namespace KWin
 {
 
 class GLFramebuffer;
 class EglGbmBackend;
 
 class GbmSurface : public std::enable_shared_from_this<GbmSurface>
 {
 public:
     explicit GbmSurface(EglGbmBackend *backend, const QSize &size, uint32_t format, const QVector<uint64_t> &modifiers, uint32_t flags, gbm_surface *surface, EGLSurface eglSurface);
     ~GbmSurface();
 
     bool makeContextCurrent() const;
 
     std::shared_ptr<GbmBuffer> swapBuffers(const QRegion &dirty);
     void releaseBuffer(GbmBuffer *buffer);
 
     GLFramebuffer *fbo() const;
 
     EGLSurface eglSurface() const;
     QSize size() const;
     bool isValid() const;
     uint32_t format() const;
     QVector<uint64_t> modifiers() const;
     uint32_t flags() const;
     int bufferAge() const;
     QRegion repaintRegion() const;
 
     enum class Error {
         ModifiersUnsupported,
         EglError,
         Unknown
     };
     static std::variant<std::shared_ptr<GbmSurface>, Error> createSurface(EglGbmBackend *backend, const QSize &size, uint32_t format, uint32_t flags, EGLConfig config);
     static std::variant<std::shared_ptr<GbmSurface>, Error> createSurface(EglGbmBackend *backend, const QSize &size, uint32_t format, QVector<uint64_t> modifiers, EGLConfig config);
 
 private:
     gbm_surface *m_surface;
     EglGbmBackend *const m_eglBackend;
     EGLSurface m_eglSurface = EGL_NO_SURFACE;
     QSize m_size;
     const uint32_t m_format;
     const QVector<uint64_t> m_modifiers;
     const uint32_t m_flags;
     int m_bufferAge = 0;
     DamageJournal m_damageJournal;
 
     std::unique_ptr<GLFramebuffer> m_fbo;
 };
 
 }