| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 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 |
| ** 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 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "drmeglserverbufferintegration.h" |
| |
| #include <QtGui/QOpenGLContext> |
| #include <QtGui/QOpenGLTexture> |
| |
| QT_BEGIN_NAMESPACE |
| |
| DrmEglServerBuffer::DrmEglServerBuffer(DrmEglServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format) |
| : QtWayland::ServerBuffer(qimage.size(),format) |
| , m_integration(integration) |
| { |
| m_format = format; |
| |
| EGLint egl_format; |
| switch (m_format) { |
| case RGBA32: |
| m_drm_format = QtWaylandServer::qt_drm_egl_server_buffer::format_RGBA32; |
| egl_format = EGL_DRM_BUFFER_FORMAT_ARGB32_MESA; |
| break; |
| #ifdef EGL_DRM_BUFFER_FORMAT_A8_MESA |
| case A8: |
| m_drm_format = QtWaylandServer::qt_drm_egl_server_buffer::format_A8; |
| egl_format = EGL_DRM_BUFFER_FORMAT_A8_MESA; |
| break; |
| #endif |
| default: |
| qWarning("DrmEglServerBuffer: unsupported format"); |
| m_drm_format = QtWaylandServer::qt_drm_egl_server_buffer::format_RGBA32; |
| egl_format = EGL_DRM_BUFFER_FORMAT_ARGB32_MESA; |
| break; |
| } |
| EGLint imageAttribs[] = { |
| EGL_WIDTH, m_size.width(), |
| EGL_HEIGHT, m_size.height(), |
| EGL_DRM_BUFFER_FORMAT_MESA, egl_format, |
| EGL_DRM_BUFFER_USE_MESA, EGL_DRM_BUFFER_USE_SHARE_MESA, |
| EGL_NONE |
| }; |
| |
| m_image = m_integration->eglCreateDRMImageMESA(imageAttribs); |
| |
| EGLint handle; |
| if (!m_integration->eglExportDRMImageMESA(m_image, &m_name, &handle, &m_stride)) { |
| qWarning("DrmEglServerBuffer: Failed to export egl image"); |
| } |
| |
| m_texture = new QOpenGLTexture(QOpenGLTexture::Target2D); |
| m_texture->create(); |
| m_texture->bind(); |
| |
| m_integration->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_image); |
| |
| glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, qimage.width(), qimage.height(), GL_RGBA, GL_UNSIGNED_BYTE, qimage.constBits()); |
| |
| m_texture->release(); |
| m_texture->setSize(m_size.width(), m_size.height()); |
| } |
| |
| struct ::wl_resource *DrmEglServerBuffer::resourceForClient(struct ::wl_client *client) |
| { |
| auto *bufferResource = resourceMap().value(client); |
| if (!bufferResource) { |
| auto integrationResource = m_integration->resourceMap().value(client); |
| if (!integrationResource) { |
| qWarning("DrmEglServerBuffer::resourceForClient: Trying to get resource for ServerBuffer. But client is not bound to the drm_egl interface"); |
| return nullptr; |
| } |
| struct ::wl_resource *drm_egl_integration_resource = integrationResource->handle; |
| Resource *resource = add(client, 1); |
| m_integration->send_server_buffer_created(drm_egl_integration_resource, resource->handle, m_name, m_size.width(), m_size.height(), m_stride, m_drm_format); |
| return resource->handle; |
| } |
| return bufferResource->handle; |
| } |
| |
| |
| QOpenGLTexture *DrmEglServerBuffer::toOpenGlTexture() |
| { |
| if (!m_texture) { |
| qWarning("DrmEglServerBuffer::toOpenGlTexture: no texture defined"); |
| } |
| return m_texture; |
| } |
| |
| bool DrmEglServerBuffer::bufferInUse() |
| { |
| return resourceMap().count() > 0; |
| } |
| |
| DrmEglServerBufferIntegration::DrmEglServerBufferIntegration() |
| { |
| } |
| |
| DrmEglServerBufferIntegration::~DrmEglServerBufferIntegration() |
| { |
| } |
| |
| bool DrmEglServerBufferIntegration::initializeHardware(QWaylandCompositor *compositor) |
| { |
| Q_ASSERT(QGuiApplication::platformNativeInterface()); |
| |
| m_egl_display = static_cast<EGLDisplay>(QGuiApplication::platformNativeInterface()->nativeResourceForIntegration("egldisplay")); |
| if (!m_egl_display) { |
| qWarning("Can't initialize drm egl server buffer integration. Missing egl display from platform plugin"); |
| return false; |
| } |
| |
| const char *extensionString = eglQueryString(m_egl_display, EGL_EXTENSIONS); |
| if (!extensionString || !strstr(extensionString, "EGL_KHR_image")) { |
| qWarning("Failed to initialize drm egl server buffer integration. There is no EGL_KHR_image extension.\n"); |
| return false; |
| } |
| m_egl_create_image = reinterpret_cast<PFNEGLCREATEIMAGEKHRPROC>(eglGetProcAddress("eglCreateImageKHR")); |
| m_egl_destroy_image = reinterpret_cast<PFNEGLDESTROYIMAGEKHRPROC>(eglGetProcAddress("eglDestroyImageKHR")); |
| if (!m_egl_create_image || !m_egl_destroy_image) { |
| qWarning("Failed to initialize drm egl server buffer integration. Could not resolve eglCreateImageKHR or eglDestroyImageKHR"); |
| return false; |
| } |
| |
| if (!extensionString || !strstr(extensionString, "EGL_MESA_drm_image")) { |
| qWarning("Failed to initialize drm egl server buffer integration. There is no EGL_MESA_drm_image extension.\n"); |
| return false; |
| } |
| |
| m_egl_create_drm_image = reinterpret_cast<PFNEGLCREATEDRMIMAGEMESAPROC>(eglGetProcAddress("eglCreateDRMImageMESA")); |
| m_egl_export_drm_image = reinterpret_cast<PFNEGLEXPORTDRMIMAGEMESAPROC>(eglGetProcAddress("eglExportDRMImageMESA")); |
| if (!m_egl_create_drm_image || !m_egl_export_drm_image) { |
| qWarning("Failed to initialize drm egl server buffer integration. Could not find eglCreateDRMImageMESA or eglExportDRMImageMESA.\n"); |
| return false; |
| } |
| |
| m_gl_egl_image_target_texture_2d = reinterpret_cast<PFNGLEGLIMAGETARGETTEXTURE2DOESPROC>(eglGetProcAddress("glEGLImageTargetTexture2DOES")); |
| if (!m_gl_egl_image_target_texture_2d) { |
| qWarning("Failed to initialize drm egl server buffer integration. Could not find glEGLImageTargetTexture2DOES.\n"); |
| return false; |
| } |
| |
| QtWaylandServer::qt_drm_egl_server_buffer::init(compositor->display(), 1); |
| return true; |
| } |
| |
| bool DrmEglServerBufferIntegration::supportsFormat(QtWayland::ServerBuffer::Format format) const |
| { |
| switch (format) { |
| case QtWayland::ServerBuffer::RGBA32: |
| return true; |
| case QtWayland::ServerBuffer::A8: |
| #ifdef EGL_DRM_BUFFER_FORMAT_A8_MESA |
| return true; |
| #else |
| return false; |
| #endif |
| default: |
| return false; |
| } |
| } |
| |
| QtWayland::ServerBuffer *DrmEglServerBufferIntegration::createServerBufferFromImage(const QImage &qimage, QtWayland::ServerBuffer::Format format) |
| { |
| return new DrmEglServerBuffer(this, qimage, format); |
| } |
| |
| QT_END_NAMESPACE |