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Diffstat (limited to 'src/compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp')
| -rw-r--r-- | src/compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp b/src/compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp new file mode 100644 index 000000000..a232c4876 --- /dev/null +++ b/src/compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp @@ -0,0 +1,184 @@ +/**************************************************************************** +** +** This file is part of QtCompositor** +** +** Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** +** Contact: Nokia Corporation qt-info@nokia.com +** +** 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 Nokia Corporation 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. +** +****************************************************************************/ + +#include "waylandeglintegration.h" +#include "wayland_wrapper/wlcompositor.h" +#include "wayland_wrapper/wlsurface.h" +#include "compositor_api/waylandsurface.h" +#include <QtGui/QPlatformNativeInterface> +#include <QtGui/QGuiApplication> +#include <QtGui/QOpenGLContext> +#include <QtGui/QPlatformScreen> +#include <QtGui/QWindow> +#include <QtCore/QWeakPointer> + +#include <QDebug> + +#define EGL_EGLEXT_PROTOTYPES +#include <EGL/egl.h> +#include <EGL/eglext.h> + +#define GL_GLEXT_PROTOTYPES +#include <GLES2/gl2.h> +#include <GLES2/gl2ext.h> + +GraphicsHardwareIntegration * GraphicsHardwareIntegration::createGraphicsHardwareIntegration(WaylandCompositor *compositor) +{ + return new WaylandEglIntegration(compositor); +} + +class WaylandEglIntegrationPrivate +{ +public: + WaylandEglIntegrationPrivate() + : egl_display(EGL_NO_DISPLAY), valid(false), flipperConnected(false) + { } + EGLDisplay egl_display; + bool valid; + bool flipperConnected; +#ifdef EGL_WL_request_client_buffer_format + QWeakPointer<WaylandSurface> directRenderSurface; +#endif +}; + +WaylandEglIntegration::WaylandEglIntegration(WaylandCompositor *compositor) + : GraphicsHardwareIntegration(compositor) + , d_ptr(new WaylandEglIntegrationPrivate) +{ +} + +void WaylandEglIntegration::initializeHardware(Wayland::Display *waylandDisplay) +{ + Q_D(WaylandEglIntegration); + + QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface(); + if (nativeInterface) { + d->egl_display = nativeInterface->nativeResourceForWindow("EglDisplay", m_compositor->window()); + if (d->egl_display) { + const char *extensionString = eglQueryString(d->egl_display, EGL_EXTENSIONS); + if (extensionString && strstr(extensionString, "EGL_WL_bind_wayland_display") + && eglBindWaylandDisplayWL(d->egl_display, waylandDisplay->handle())) + { + d->valid = true; + } + } + + if (!d->valid) + qWarning("Failed to initialize egl display\n"); + } +} + +GLuint WaylandEglIntegration::createTextureFromBuffer(wl_buffer *buffer, QOpenGLContext *context) +{ + Q_D(WaylandEglIntegration); + if (!d->valid) { + qWarning("createTextureFromBuffer() failed\n"); + return 0; + } + + QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface(); + EGLContext egl_context = nativeInterface->nativeResourceForContext("EglContext", context); + + EGLImageKHR image = eglCreateImageKHR(d->egl_display, egl_context, + EGL_WAYLAND_BUFFER_WL, + buffer, NULL); + + GLuint textureId; + glGenTextures(1,&textureId); + + glBindTexture(GL_TEXTURE_2D, textureId); + + glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image); + + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + eglDestroyImageKHR(d->egl_display, image); + + return textureId; +} + +bool WaylandEglIntegration::isYInverted(struct wl_buffer *buffer) const +{ +#ifdef EGL_WL_request_client_buffer_format + return eglGetBufferYInvertedWL(buffer); +#else + return GraphicsHardwareIntegration::isYInverted(buffer); +#endif +} + + +bool WaylandEglIntegration::setDirectRenderSurface(WaylandSurface *surface) +{ + Q_D(WaylandEglIntegration); + + QPlatformScreen *screen = QPlatformScreen::platformScreenForWindow(m_compositor->window()); + QPlatformScreenPageFlipper *flipper = screen ? screen->pageFlipper() : 0; + if (flipper && !d->flipperConnected) { + QObject::connect(flipper, SIGNAL(bufferReleased(void*)), m_compositor->handle(), SLOT(releaseBuffer(void*))); + d->flipperConnected = true; + } +#ifdef EGL_WL_request_client_buffer_format + int buffer_format = surface ? EGL_SCANOUT_FORMAT_WL : EGL_RENDER_FORMAT_WL; + struct wl_client *client = 0; + if (surface) { + client = surface->handle()->clientHandle(); + } else { + WaylandSurface *oldSurface = d->directRenderSurface.data(); + if (oldSurface) + client = oldSurface->handle()->clientHandle(); + } + if (client) + eglRequestClientBufferFormatWL(d->egl_display, client, buffer_format); + d->directRenderSurface = surface; +#endif + return flipper; +} + + +bool WaylandEglIntegration::postBuffer(struct wl_buffer *buffer) +{ + QPlatformScreen *screen = QPlatformScreen::platformScreenForWindow(m_compositor->window()); + QPlatformScreenPageFlipper *flipper = screen->pageFlipper(); + + return flipper ? flipper->displayBuffer(buffer) : false; +} |