diff options
Diffstat (limited to 'src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp')
| -rw-r--r-- | src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp b/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp new file mode 100644 index 000000000..9c7440dc6 --- /dev/null +++ b/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp @@ -0,0 +1,193 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Compositor. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "drmeglserverbufferintegration.h" + +#include <QtGui/QOpenGLContext> + +QT_BEGIN_NAMESPACE + +DrmEglServerBuffer::DrmEglServerBuffer(DrmEglServerBufferIntegration *integration, const QSize &size, QWaylandServerBuffer::Format format) + : QWaylandServerBuffer(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"); + } + +} + +struct ::wl_resource *DrmEglServerBuffer::resourceForClient(struct ::wl_client *client) +{ + QMultiMap<struct ::wl_client *, Resource *>::iterator it = resourceMap().find(client); + if (it == resourceMap().end()) { + QMultiMap<struct ::wl_client *, QtWaylandServer::qt_drm_egl_server_buffer::Resource *>::iterator drm_egl_it = m_integration->resourceMap().find(client); + if (drm_egl_it == m_integration->resourceMap().end()) { + qWarning("DrmEglServerBuffer::resourceForClient: Trying to get resource for ServerBuffer. But client is not bound to the drm_egl interface"); + return 0; + } + struct ::wl_resource *drm_egl_resource = (*drm_egl_it)->handle; + Resource *resource = add(client); + m_integration->send_server_buffer_created(drm_egl_resource, resource->handle, m_name, m_size.width(), m_size.height(), m_stride, m_drm_format); + return resource->handle; + } + return (*it)->handle; +} + +void DrmEglServerBuffer::bindTextureToBuffer() +{ + if (!QOpenGLContext::currentContext()) { + qWarning("DrmEglServerBuffer: No current context when creating buffer. Texture loading will fail"); + return; + } + + m_integration->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_image); + + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); +} + +DrmEglServerBufferIntegration::DrmEglServerBufferIntegration() +{ +} + +DrmEglServerBufferIntegration::~DrmEglServerBufferIntegration() +{ +} + +void DrmEglServerBufferIntegration::initializeHardware(QWaylandCompositor *compositor) +{ + QWindow *window = compositor->window(); + Q_ASSERT(QGuiApplication::platformNativeInterface()); + + m_egl_display = static_cast<EGLDisplay>(QGuiApplication::platformNativeInterface()->nativeResourceForWindow("egldisplay", window)); + if (!m_egl_display) { + qWarning("Cant initialize drm egl server buffer integration. Missing egl display from platformplugin"); + return; + } + + 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; + } + 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; + } + + 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; + } + + 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; + } + + 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; + } + + QtWaylandServer::qt_drm_egl_server_buffer::init(compositor->waylandDisplay()); +} + +bool DrmEglServerBufferIntegration::supportsFormat(QWaylandServerBuffer::Format format) const +{ + switch (format) { + case QWaylandServerBuffer::RGBA32: + return true; + case QWaylandServerBuffer::A8: +#ifdef EGL_DRM_BUFFER_FORMAT_A8_MESA + return true; +#else + return false; +#endif + default: + return false; + } +} + +QWaylandServerBuffer *DrmEglServerBufferIntegration::createServerBuffer(const QSize &size, QWaylandServerBuffer::Format format) +{ + return new DrmEglServerBuffer(this, size, format); +} + +QT_END_NAMESPACE |