457f966bf1
The stride of the mapping is not necessarily the same as the stride of the underlying buffer
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*
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SPDX-FileCopyrightText: 2023 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
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*/
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#pragma once
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#include "core/graphicsbuffer.h"
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#include "wayland/shmclientbuffer.h"
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#include "utils/filedescriptor.h"
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#include "utils/memorymap.h"
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#include "qwayland-server-wayland.h"
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namespace KWaylandServer
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{
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class ShmClientBufferIntegrationPrivate : public QtWaylandServer::wl_shm
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{
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public:
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ShmClientBufferIntegrationPrivate(Display *display, ShmClientBufferIntegration *q);
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ShmClientBufferIntegration *q;
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protected:
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void shm_bind_resource(Resource *resource) override;
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void shm_create_pool(Resource *resource, uint32_t id, int32_t fd, int32_t size) override;
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};
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class ShmPool : public QtWaylandServer::wl_shm_pool
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{
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public:
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ShmPool(ShmClientBufferIntegration *integration, wl_client *client, int id, uint32_t version, KWin::FileDescriptor &&fd, KWin::MemoryMap &&mapping);
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void ref();
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void unref();
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ShmClientBufferIntegration *integration;
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KWin::MemoryMap mapping;
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KWin::FileDescriptor fd;
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int refCount = 1;
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bool sigbusImpossible = false;
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protected:
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void shm_pool_destroy_resource(Resource *resource) override;
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void shm_pool_create_buffer(Resource *resource, uint32_t id, int32_t offset, int32_t width, int32_t height, int32_t stride, uint32_t format) override;
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void shm_pool_destroy(Resource *resource) override;
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void shm_pool_resize(Resource *resource, int32_t size) override;
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};
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class KWIN_EXPORT ShmClientBuffer : public KWin::GraphicsBuffer
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{
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Q_OBJECT
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public:
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ShmClientBuffer(ShmPool *pool, KWin::ShmAttributes attributes, wl_client *client, uint32_t id);
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~ShmClientBuffer() override;
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Map map(MapFlags flags) override;
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void unmap() override;
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QSize size() const override;
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bool hasAlphaChannel() const override;
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const KWin::ShmAttributes *shmAttributes() const override;
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static ShmClientBuffer *get(wl_resource *resource);
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private:
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static void buffer_destroy_resource(wl_resource *resource);
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static void buffer_destroy(wl_client *client, wl_resource *resource);
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static const struct wl_buffer_interface implementation;
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wl_resource *m_resource = nullptr;
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ShmPool *m_shmPool;
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KWin::ShmAttributes m_shmAttributes;
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};
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} // namespace KWaylandServer
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