| /**************************************************************************** |
| ** |
| ** Copyright (C) 2018 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWaylandCompositor module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef DMABUFSERVERBUFFERINTEGRATION_H |
| #define DMABUFSERVERBUFFERINTEGRATION_H |
| |
| #include <QtWaylandCompositor/private/qwlserverbufferintegration_p.h> |
| |
| #include "qwayland-server-qt-dmabuf-server-buffer.h" |
| |
| #include <QtGui/QWindow> |
| #include <QtGui/qpa/qplatformnativeinterface.h> |
| #include <QtGui/QGuiApplication> |
| |
| #include <QtWaylandCompositor/qwaylandcompositor.h> |
| #include <QtWaylandCompositor/private/qwayland-server-server-buffer-extension.h> |
| |
| #include <QtCore/QDebug> |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| |
| #ifndef EGL_KHR_image |
| typedef void *EGLImageKHR; |
| typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list); |
| typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image); |
| #endif |
| |
| #ifndef GL_OES_EGL_image |
| typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image); |
| #endif |
| |
| #ifndef EGL_MESA_image_dma_buf_export |
| typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC) (EGLDisplay dpy, EGLImageKHR image, int *fourcc, int *num_planes, EGLuint64KHR *modifiers); |
| typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDMABUFIMAGEMESAPROC) (EGLDisplay dpy, EGLImageKHR image, int *fds, EGLint *strides, EGLint *offsets); |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| class DmaBufServerBufferIntegration; |
| class QImage; |
| |
| class DmaBufServerBuffer : public QtWayland::ServerBuffer, public QtWaylandServer::qt_server_buffer |
| { |
| public: |
| DmaBufServerBuffer(DmaBufServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format); |
| ~DmaBufServerBuffer() override; |
| |
| struct ::wl_resource *resourceForClient(struct ::wl_client *) override; |
| QOpenGLTexture *toOpenGlTexture() override; |
| bool bufferInUse() override; |
| |
| protected: |
| void server_buffer_release(Resource *resource) override; |
| |
| private: |
| DmaBufServerBufferIntegration *m_integration = nullptr; |
| |
| EGLImageKHR m_image; |
| |
| int32_t m_offset; |
| int32_t m_stride; |
| QOpenGLTexture *m_texture = nullptr; |
| int m_fourcc_format; |
| int m_fd; |
| }; |
| |
| class DmaBufServerBufferIntegration : |
| public QtWayland::ServerBufferIntegration, |
| public QtWaylandServer::qt_dmabuf_server_buffer |
| { |
| public: |
| DmaBufServerBufferIntegration(); |
| ~DmaBufServerBufferIntegration() override; |
| |
| bool initializeHardware(QWaylandCompositor *) override; |
| |
| bool supportsFormat(QtWayland::ServerBuffer::Format format) const override; |
| QtWayland::ServerBuffer *createServerBufferFromImage(const QImage &qimage, QtWayland::ServerBuffer::Format format) override; |
| |
| EGLDisplay display() const { return m_egl_display; } |
| |
| inline EGLImageKHR eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list); |
| inline EGLBoolean eglDestroyImageKHR(EGLImageKHR image); |
| |
| inline EGLBoolean eglExportDMABUFImageQueryMESA(EGLImageKHR image, |
| int *fourcc, |
| int *num_planes, |
| EGLuint64KHR *modifiers); |
| |
| inline EGLBoolean eglExportDMABUFImageMESA(EGLImageKHR image, |
| int *fds, |
| EGLint *strides, |
| EGLint *offsets); |
| |
| inline void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image); |
| |
| private: |
| EGLDisplay m_egl_display; |
| |
| PFNEGLEXPORTDMABUFIMAGEMESAPROC m_egl_export_dmabuf_image = nullptr; |
| PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC m_egl_export_dmabuf_image_query = nullptr; |
| |
| PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_gl_egl_image_target_texture_2d = nullptr; |
| PFNEGLCREATEIMAGEKHRPROC m_egl_create_image = nullptr; |
| PFNEGLDESTROYIMAGEKHRPROC m_egl_destroy_image = nullptr; |
| }; |
| |
| EGLImageKHR DmaBufServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list) |
| { |
| if (!m_egl_create_image) { |
| qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglCreateImageKHR"; |
| return EGL_NO_IMAGE_KHR; |
| } |
| return m_egl_create_image(m_egl_display, ctx, target, buffer, attrib_list); |
| } |
| |
| EGLBoolean DmaBufServerBufferIntegration::eglDestroyImageKHR(EGLImageKHR image) |
| { |
| if (!m_egl_destroy_image) { |
| qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglDestroyImageKHR"; |
| return false; |
| } |
| return m_egl_destroy_image(m_egl_display, image); |
| } |
| |
| EGLBoolean DmaBufServerBufferIntegration::eglExportDMABUFImageQueryMESA(EGLImageKHR image, |
| int *fourcc, |
| int *num_planes, |
| EGLuint64KHR *modifiers) |
| { |
| if (m_egl_export_dmabuf_image_query) |
| return m_egl_export_dmabuf_image_query(m_egl_display, image, fourcc, num_planes, modifiers); |
| else |
| qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglExportDMABUFImageQueryMESA"; |
| return false; |
| } |
| |
| EGLBoolean DmaBufServerBufferIntegration::eglExportDMABUFImageMESA(EGLImageKHR image, |
| int *fds, |
| EGLint *strides, |
| EGLint *offsets) |
| { |
| if (m_egl_export_dmabuf_image) |
| return m_egl_export_dmabuf_image(m_egl_display, image, fds, strides, offsets); |
| else |
| qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglExportDMABUFImageMESA"; |
| return false; |
| } |
| |
| void DmaBufServerBufferIntegration::glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image) |
| { |
| if (m_gl_egl_image_target_texture_2d) |
| return m_gl_egl_image_target_texture_2d(target, image); |
| else |
| qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function glEGLImageTargetTexture2DOES"; |
| } |
| QT_END_NAMESPACE |
| |
| #endif |