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// Copyright (C) 2016 Jolla Ltd, author: <giulio.camuffo@jollamobile.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "libhybriseglserverbufferintegration.h"
#include <QtWaylandClient/private/qwaylanddisplay_p.h>
#include <QDebug>
#include <QtGui/QOpenGLContext>
#include <QtGui/QOpenGLTexture>
#include <hybris/eglplatformcommon/hybris_nativebufferext.h>
#include <EGL/egl.h>
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
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);
}
QOpenGLTexture * LibHybrisServerBuffer::toOpenGlTexture()
{
if (!QOpenGLContext::currentContext()) {
qWarning("LibHybrisServerBuffer: creating texture with no current context");
}
if (!m_texture) {
m_texture = new QOpenGLTexture(QOpenGLTexture::Target2D);
m_texture->create();
}
m_texture->bind();
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);
m_texture->release();
m_texture->setSize(m_size.width(), m_size.height());
return m_texture;
}
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::initializeEgl()
{
if (m_egl_initialized)
return;
m_egl_initialized = true;
m_egl_display = eglGetDisplay((EGLNativeDisplayType) m_display->wl_display());
if (m_egl_display == 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;
}
m_egl_initialized = true;
}
void LibHybrisEglServerBufferIntegration::initialize(QWaylandDisplay *display)
{
m_display = display;
display->addRegistryListener(&wlDisplayHandleGlobal, this);
}
QWaylandServerBuffer *LibHybrisEglServerBufferIntegration::serverBuffer(struct qt_server_buffer *buffer)
{
return static_cast<QWaylandServerBuffer *>(qt_server_buffer_get_user_data(buffer));
}
void LibHybrisEglServerBufferIntegration::wlDisplayHandleGlobal(void *data, ::wl_registry *registry, uint32_t id, const QString &interface, uint32_t version)
{
Q_UNUSED(version);
if (interface == QStringLiteral("qt_libhybris_egl_server_buffer")) {
auto *integration = static_cast<LibHybrisEglServerBufferIntegration *>(data);
integration->QtWayland::qt_libhybris_egl_server_buffer::init(registry, id, 1);
}
}
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
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