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Diffstat (limited to 'src/hardwareintegration/compositor/dmabuf-server/dmabufserverbufferintegration.h')
-rw-r--r-- | src/hardwareintegration/compositor/dmabuf-server/dmabufserverbufferintegration.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/hardwareintegration/compositor/dmabuf-server/dmabufserverbufferintegration.h b/src/hardwareintegration/compositor/dmabuf-server/dmabufserverbufferintegration.h new file mode 100644 index 000000000..70e737139 --- /dev/null +++ b/src/hardwareintegration/compositor/dmabuf-server/dmabufserverbufferintegration.h @@ -0,0 +1,195 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or 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.GPL2 and 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-2.0.html and +** 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; + + void 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 |