| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef LINUXDMABUFCLIENTBUFFERINTEGRATION_H |
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| 5 | #define LINUXDMABUFCLIENTBUFFERINTEGRATION_H |
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| 6 | |
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| 7 | #include "linuxdmabuf.h" |
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| 8 | |
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| 9 | #include <QtWaylandCompositor/private/qwlclientbufferintegration_p.h> |
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| 10 | #include <QtWaylandCompositor/private/qwlclientbuffer_p.h> |
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| 11 | #include <QtWaylandCompositor/private/qwayland-server-wayland.h> |
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| 12 | #include <QtCore/QMutex> |
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| 13 | |
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| 14 | #include <drm_fourcc.h> |
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| 15 | |
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| 16 | QT_BEGIN_NAMESPACE |
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| 17 | |
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| 18 | typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYWAYLANDBUFFERWL_compat) (EGLDisplay dpy, struct wl_resource *buffer, EGLint attribute, EGLint *value); |
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| 19 | typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDMABUFFORMATSEXTPROC) (EGLDisplay dpy, EGLint max_formats, EGLint *formats, EGLint *num_formats); |
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| 20 | typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDMABUFMODIFIERSEXTPROC) (EGLDisplay dpy, EGLint format, EGLint max_modifiers, EGLuint64KHR *modifiers, EGLBoolean *external_only, EGLint *num_modifiers); |
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| 21 | |
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| 22 | class LinuxDmabufClientBufferIntegrationPrivate; |
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| 23 | class LinuxDmabufParams; |
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| 24 | class LinuxDmabufClientBuffer; |
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| 25 | |
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| 26 | // buffer conversion definitions to import YUV buffers |
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| 27 | struct YuvPlaneConversion { |
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| 28 | EGLint format = DRM_FORMAT_YUYV; |
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| 29 | EGLint widthDivisor = 1; |
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| 30 | EGLint heightDivisor = 1; |
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| 31 | EGLint planeIndex = 0; |
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| 32 | }; |
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| 33 | struct YuvFormatConversion { |
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| 34 | uint32_t inputPlanes = 1; |
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| 35 | uint32_t outputPlanes = 1; |
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| 36 | struct YuvPlaneConversion plane[LinuxDmabufWlBuffer::MaxDmabufPlanes]; |
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| 37 | }; |
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| 38 | |
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| 39 | class LinuxDmabufClientBufferIntegration : public QtWayland::ClientBufferIntegration |
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| 40 | { |
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| 41 | public: |
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| 42 | LinuxDmabufClientBufferIntegration(); |
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| 43 | ~LinuxDmabufClientBufferIntegration() override; |
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| 44 | |
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| 45 | void initializeHardware(struct ::wl_display *display) override; |
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| 46 | QtWayland::ClientBuffer *createBufferFor(wl_resource *resource) override; |
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| 47 | bool importBuffer(wl_resource *resource, LinuxDmabufWlBuffer *linuxDmabufBuffer); |
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| 48 | void removeBuffer(wl_resource *resource); |
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| 49 | void deleteImage(EGLImageKHR image); |
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| 50 | PFNGLEGLIMAGETARGETTEXTURE2DOESPROC gl_egl_image_target_texture_2d = nullptr; |
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| 51 | |
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| 52 | private: |
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| 53 | Q_DISABLE_COPY(LinuxDmabufClientBufferIntegration) |
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| 54 | |
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| 55 | PFNEGLBINDWAYLANDDISPLAYWL egl_bind_wayland_display = nullptr; |
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| 56 | PFNEGLUNBINDWAYLANDDISPLAYWL egl_unbind_wayland_display = nullptr; |
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| 57 | PFNEGLCREATEIMAGEKHRPROC egl_create_image = nullptr; |
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| 58 | PFNEGLDESTROYIMAGEKHRPROC egl_destroy_image = nullptr; |
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| 59 | PFNEGLQUERYDMABUFMODIFIERSEXTPROC egl_query_dmabuf_modifiers_ext = nullptr; |
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| 60 | PFNEGLQUERYDMABUFFORMATSEXTPROC egl_query_dmabuf_formats_ext = nullptr; |
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| 61 | |
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| 62 | bool initSimpleTexture(LinuxDmabufWlBuffer *dmabufBuffer); |
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| 63 | bool initYuvTexture(LinuxDmabufWlBuffer *dmabufBuffer); |
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| 64 | QList<uint32_t> supportedDrmFormats(); |
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| 65 | QList<uint64_t> supportedDrmModifiers(uint32_t format); |
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| 66 | |
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| 67 | EGLDisplay m_eglDisplay = EGL_NO_DISPLAY; |
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| 68 | ::wl_display *m_wlDisplay = nullptr; |
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| 69 | bool m_displayBound = false; |
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| 70 | |
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| 71 | QHash<EGLint, YuvFormatConversion> m_yuvFormats; |
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| 72 | bool m_supportsDmabufModifiers = false; |
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| 73 | QHash<struct ::wl_resource *, LinuxDmabufWlBuffer *> m_importedBuffers; |
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| 74 | QScopedPointer<LinuxDmabuf> m_linuxDmabuf; |
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| 75 | }; |
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| 76 | |
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| 77 | class LinuxDmabufClientBuffer : public QtWayland::ClientBuffer |
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| 78 | { |
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| 79 | public: |
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| 80 | ~LinuxDmabufClientBuffer() override; |
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| 81 | |
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| 82 | QWaylandBufferRef::BufferFormatEgl bufferFormatEgl() const override; |
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| 83 | QSize size() const override; |
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| 84 | QWaylandSurface::Origin origin() const override; |
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| 85 | QOpenGLTexture *toOpenGlTexture(int plane) override; |
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| 86 | |
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| 87 | protected: |
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| 88 | void setDestroyed() override; |
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| 89 | |
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| 90 | private: |
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| 91 | friend class LinuxDmabufClientBufferIntegration; |
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| 92 | friend class LinuxDmabufClientBufferIntegrationPrivate; |
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| 93 | |
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| 94 | LinuxDmabufClientBuffer(LinuxDmabufClientBufferIntegration* integration, wl_resource *bufferResource, LinuxDmabufWlBuffer *dmabufBuffer); |
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| 95 | |
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| 96 | LinuxDmabufWlBuffer *d = nullptr; |
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| 97 | LinuxDmabufClientBufferIntegration *m_integration = nullptr; |
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| 98 | }; |
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| 99 | |
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| 100 | QT_END_NAMESPACE |
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| 101 | |
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| 102 | #endif // LINUXDMABUFCLIENTBUFFERINTEGRATION_H |
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| 103 | |
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