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Diffstat (limited to 'src/hardwareintegration/client/libhybris-egl-server/libhybriseglserverbufferintegration.cpp')
| -rw-r--r-- | src/hardwareintegration/client/libhybris-egl-server/libhybriseglserverbufferintegration.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/hardwareintegration/client/libhybris-egl-server/libhybriseglserverbufferintegration.cpp b/src/hardwareintegration/client/libhybris-egl-server/libhybriseglserverbufferintegration.cpp new file mode 100644 index 000000000..0fcfca434 --- /dev/null +++ b/src/hardwareintegration/client/libhybris-egl-server/libhybriseglserverbufferintegration.cpp @@ -0,0 +1,181 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Jolla Ltd, author: <giulio.camuffo@jollamobile.com> +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "libhybriseglserverbufferintegration.h" +#include <QtWaylandClient/private/qwaylanddisplay_p.h> +#include <QDebug> +#include <QtGui/QOpenGLContext> +#include <hybris/eglplatformcommon/hybris_nativebufferext.h> + +#include <EGL/egl.h> + +QT_BEGIN_NAMESPACE + +LibHybrisServerBuffer::LibHybrisServerBuffer(LibHybrisEglServerBufferIntegration *integration + , int32_t numFds + , wl_array *ints + , int32_t name + , int32_t width + , int32_t height + , int32_t stride + , int32_t format) + : QWaylandServerBuffer() + , m_integration(integration) + , m_stride(stride) + , m_hybrisFormat(format) +{ + m_numFds = numFds; + m_fds.reserve(numFds); + m_ints.resize(ints->size / sizeof(int32_t)); + memcpy(m_ints.data(), ints->data, ints->size); + m_image = 0; + + m_size = QSize(width, height); +} + +LibHybrisServerBuffer::~LibHybrisServerBuffer() +{ + m_integration->eglDestroyImageKHR(m_image); +} + +void LibHybrisServerBuffer::bindTextureToBuffer() +{ + if (!QOpenGLContext::currentContext()) { + qWarning("LibHybrisServerBuffer: creating texture with no current context"); + } + + m_integration->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_image); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); +} + +void LibHybrisServerBuffer::libhybris_buffer_add_fd(int32_t fd) +{ + m_fds << fd; + + if (m_fds.size() == m_numFds) { + EGLint egl_format; + switch (m_hybrisFormat) { + case QtWayland::qt_libhybris_egl_server_buffer::format_RGBA32: + m_format = QWaylandServerBuffer::RGBA32; + egl_format = HYBRIS_PIXEL_FORMAT_RGBA_8888; + break; + default: + qWarning("LibHybrisServerBuffer: unknown format"); + m_format = QWaylandServerBuffer::RGBA32; + egl_format = HYBRIS_PIXEL_FORMAT_RGBA_8888; + break; + } + + EGLClientBuffer buf; + m_integration->eglHybrisCreateRemoteBuffer(m_size.width(), m_size.height(), HYBRIS_USAGE_HW_TEXTURE, egl_format, m_stride, m_ints.size(), m_ints.data(), m_fds.size(), m_fds.data(), &buf); + m_image = m_integration->eglCreateImageKHR(EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID, buf, 0); + } +} + +void LibHybrisEglServerBufferIntegration::initialize(QWaylandDisplay *display) +{ + m_egl_display = eglGetDisplay((EGLNativeDisplayType) display->wl_display()); + if (EGL_NO_DISPLAY) { + qWarning("Failed to initialize libhybris egl server buffer integration. Could not get egl display from wl_display."); + return; + } + + const char *extensionString = eglQueryString(m_egl_display, EGL_EXTENSIONS); + if (!extensionString || !strstr(extensionString, "EGL_KHR_image")) { + qWarning("Failed to initialize libhybris 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 libhybris egl server buffer integration. Could not resolve eglCreateImageKHR or eglDestroyImageKHR"); + return; + } + + m_gl_egl_image_target_texture = reinterpret_cast<PFNGLEGLIMAGETARGETTEXTURE2DOESPROC>(eglGetProcAddress("glEGLImageTargetTexture2DOES")); + if (!m_gl_egl_image_target_texture) { + qWarning("Failed to initialize libhybris egl server buffer integration. Could not resolve glEGLImageTargetTexture2DOES"); + return; + } + + m_egl_create_buffer = reinterpret_cast<PFNEGLHYBRISCREATEREMOTEBUFFERPROC>(eglGetProcAddress("eglHybrisCreateRemoteBuffer")); + if (!m_egl_create_buffer) { + qWarning("Failed to initialize libhybris egl server buffer integration. Could not resolve eglHybrisCreateRemoteBuffer"); + return; + } + + QtWayland::wl_registry::init(wl_display_get_registry(display->wl_display())); +} + +QWaylandServerBuffer *LibHybrisEglServerBufferIntegration::serverBuffer(struct qt_server_buffer *buffer) +{ + return static_cast<QWaylandServerBuffer *>(qt_server_buffer_get_user_data(buffer)); +} + +void LibHybrisEglServerBufferIntegration::registry_global(uint32_t name, const QString &interface, uint32_t version) +{ + Q_UNUSED(version); + if (interface == QStringLiteral("qt_libhybris_egl_server_buffer")) { + struct ::wl_registry *registry = QtWayland::wl_registry::object(); + QtWayland::qt_libhybris_egl_server_buffer::init(registry, name); + } +} + +void LibHybrisEglServerBufferIntegration::libhybris_egl_server_buffer_server_buffer_created(struct ::qt_libhybris_buffer *id + , struct ::qt_server_buffer *qid + , int32_t numFds + , wl_array *ints + , int32_t name + , int32_t width + , int32_t height + , int32_t stride + , int32_t format) +{ + LibHybrisServerBuffer *server_buffer = new LibHybrisServerBuffer(this, numFds, ints, name, width, height, stride, format); + server_buffer->QtWayland::qt_libhybris_buffer::init(id); + qt_server_buffer_set_user_data(qid, server_buffer); +} + +QT_END_NAMESPACE |