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// Copyright (C) 2017 Jolla Ltd, author: <giulio.camuffo@jollamobile.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "libhybriseglserverbufferintegration.h"
#include <QtGui/QOpenGLContext>
#include <QtGui/QOpenGLTexture>
#include <hybris/eglplatformcommon/hybris_nativebufferext.h>
#include <wayland-server-core.h>
QT_BEGIN_NAMESPACE
LibHybrisEglServerBuffer::LibHybrisEglServerBuffer(LibHybrisEglServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format)
: QtWayland::ServerBuffer(qimage.size(),format)
, m_integration(integration)
{
m_format = format;
EGLint egl_format;
switch (m_format) {
case RGBA32:
m_hybris_format = QtWaylandServer::qt_libhybris_egl_server_buffer::format_RGBA32;
egl_format = HYBRIS_PIXEL_FORMAT_RGBA_8888;
break;
default:
qWarning("LibHybrisEglServerBuffer: unsupported format");
m_hybris_format = QtWaylandServer::qt_libhybris_egl_server_buffer::format_RGBA32;
egl_format = HYBRIS_PIXEL_FORMAT_RGBA_8888;
break;
}
if (!m_integration->eglHybrisCreateNativeBuffer(m_size.width(), m_size.height(), HYBRIS_USAGE_HW_TEXTURE, egl_format, &m_stride, &m_buffer)) {
qWarning("LibHybrisEglServerBuffer: Failed to create egl buffer");
return;
}
int numInts;
int numFds;
m_integration->eglHybrisGetNativeBufferInfo(m_buffer, &numInts, &numFds);
m_ints.resize(numInts);
m_fds.resize(numFds);
m_integration->eglHybrisSerializeNativeBuffer(m_buffer, m_ints.data(), m_fds.data());
m_image = m_integration->eglCreateImageKHR(EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID, m_buffer, 0);
if (!QOpenGLContext::currentContext()) {
qWarning("LibHybrisEglServerBuffer: No current context when creating buffer. Texture loading will fail");
return;
}
m_texture = new QOpenGLTexture(QOpenGLTexture::Target2D);
m_texture->create();
m_texture->bind();
m_integration->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_image);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, qimage.width(), qimage.height(), GL_RGBA, GL_UNSIGNED_BYTE, qimage.constBits());
m_texture->release();
m_texture->setSize(m_size.width(), m_size.height());
}
struct ::wl_resource *LibHybrisEglServerBuffer::resourceForClient(struct ::wl_client *client)
{
auto *bufferResource = resourceMap().value(client);
if (!bufferResource) {
auto integrationResource = m_integration->resourceMap().value(client);
if (!integrationResource) {
qWarning("LibHybrisEglServerBuffer::resourceForClient: Trying to get resource for ServerBuffer. But client is not bound to the libhybris_egl interface");
return 0;
}
struct ::wl_resource *egl_integration_resource = integrationResource->handle;
Resource *resource = add(client, 1);
wl_resource *bufRes = wl_resource_create(client, &qt_libhybris_buffer_interface,-1, 0);
m_integration->send_server_buffer_created(egl_integration_resource, resource->handle, bufRes, m_fds.size(), QByteArray((char *)m_ints.data(), m_ints.size() * sizeof(int32_t)),
m_name, m_size.width(), m_size.height(), m_stride, m_format);
for (int i = 0; i < m_fds.size(); ++i) {
send_add_fd(resource->handle, m_fds.at(i));
}
return resource->handle;
}
return bufferResource->handle;
}
QOpenGLTexture *LibHybrisEglServerBuffer::toOpenGlTexture()
{
return m_texture;
}
LibHybrisEglServerBufferIntegration::LibHybrisEglServerBufferIntegration()
{
}
LibHybrisEglServerBufferIntegration::~LibHybrisEglServerBufferIntegration()
{
}
bool LibHybrisEglServerBufferIntegration::initializeHardware(QWaylandCompositor *compositor)
{
Q_ASSERT(QGuiApplication::platformNativeInterface());
m_egl_display = static_cast<EGLDisplay>(QGuiApplication::platformNativeInterface()->nativeResourceForIntegration("egldisplay"));
if (!m_egl_display) {
qWarning("Can't initialize libhybris egl server buffer integration. Missing egl display from platform plugin");
return false;
}
m_egl_create_buffer = reinterpret_cast<PFNEGLHYBRISCREATENATIVEBUFFERPROC>(eglGetProcAddress("eglHybrisCreateNativeBuffer"));
if (!m_egl_create_buffer) {
qWarning("Failed to initialize libhybris egl server buffer integration. Could not find eglHybrisCreateNativeBuffer.\n");
return false;
}
m_egl_get_buffer_info = reinterpret_cast<PFNEGLHYBRISGETNATIVEBUFFERINFOPROC>(eglGetProcAddress("eglHybrisGetNativeBufferInfo"));
if (!m_egl_get_buffer_info) {
qWarning("Failed to initialize libhybris egl server buffer integration. Could not find eglHybrisGetNativeBufferInfo.\n");
return false;
}
m_egl_serialize_buffer = reinterpret_cast<PFNEGLHYBRISSERIALIZENATIVEBUFFERPROC>(eglGetProcAddress("eglHybrisSerializeNativeBuffer"));
if (!m_egl_serialize_buffer) {
qWarning("Failed to initialize libhybris egl server buffer integration. Could not find eglHybrisSerializeNativeBuffer.\n");
return false;
}
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 false;
}
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 false;
}
m_gl_egl_image_target_texture_2d = reinterpret_cast<PFNGLEGLIMAGETARGETTEXTURE2DOESPROC>(eglGetProcAddress("glEGLImageTargetTexture2DOES"));
if (!m_gl_egl_image_target_texture_2d) {
qWarning("Failed to initialize libhybris egl server buffer integration. Could not find glEGLImageTargetTexture2DOES.\n");
return false;
}
QtWaylandServer::qt_libhybris_egl_server_buffer::init(compositor->display(), 1);
return true;
}
bool LibHybrisEglServerBufferIntegration::supportsFormat(QtWayland::ServerBuffer::Format format) const
{
switch (format) {
case QtWayland::ServerBuffer::RGBA32:
return true;
case QtWayland::ServerBuffer::A8:
return false;
default:
return false;
}
}
QtWayland::ServerBuffer *LibHybrisEglServerBufferIntegration::createServerBufferFromImage(const QImage &qimage, QtWayland::ServerBuffer::Format format)
{
return new LibHybrisEglServerBuffer(this, qimage, format);
}
QT_END_NAMESPACE
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