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Diffstat (limited to 'src/qt-compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp')
-rw-r--r-- | src/qt-compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/qt-compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp b/src/qt-compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp new file mode 100644 index 0000000..e20c262 --- /dev/null +++ b/src/qt-compositor/hardware_integration/wayland_egl/waylandeglintegration.cpp @@ -0,0 +1,126 @@ +/**************************************************************************** +** +** 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 <QtGui/QPlatformNativeInterface> +#include <QtGui/QGuiApplication> +#include <QtGui/QOpenGLContext> + +#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) + , egl_context(EGL_NO_CONTEXT) + { } + EGLDisplay egl_display; + EGLContext egl_context; + bool valid; +}; + +WaylandEglIntegration::WaylandEglIntegration(WaylandCompositor *compositor) + : GraphicsHardwareIntegration(compositor) + , d_ptr(new WaylandEglIntegrationPrivate) +{ + d_ptr->valid = false; +} + +void WaylandEglIntegration::initializeHardware(Wayland::Display *waylandDisplay) +{ + Q_D(WaylandEglIntegration); + //We need a window id now :) + m_compositor->window()->winId(); + + 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"); + + d->egl_context = nativeInterface->nativeResourceForContext("EglContext", m_compositor->glContext()); + } +} + +GLuint WaylandEglIntegration::createTextureFromBuffer(wl_buffer *buffer) +{ + Q_D(WaylandEglIntegration); + if (!d->valid) { + qWarning("createTextureFromBuffer() failed\n"); + return 0; + } + + EGLImageKHR image = eglCreateImageKHR(d->egl_display, d->egl_context, + EGL_WAYLAND_BUFFER_WL, + buffer, NULL); + + GLuint textureId; + glGenTextures(1,&textureId); + + glBindTexture(GL_TEXTURE_2D, textureId); + + glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image); + + eglDestroyImageKHR(d->egl_display, image); + + return textureId; +} |