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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qwaylandbrcmeglwindow.h"
#include <QtWaylandClient/private/qwaylandbuffer_p.h>
#include <QtWaylandClient/private/qwaylandscreen_p.h>
#include "qwaylandbrcmglcontext.h"
#include <QtGui/private/qeglconvenience_p.h>
#include <QtGui/QWindow>
#include <qpa/qwindowsysteminterface.h>
#include <EGL/eglext_brcm.h>
#include "wayland-brcm-client-protocol.h"
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
class QWaylandBrcmBuffer : public QWaylandBuffer
{
public:
QWaylandBrcmBuffer(QWaylandDisplay *display,
struct qt_brcm *brcm,
const QSize &size,
EGLint *data,
int count,
struct wl_event_queue *eventQueue)
: m_size(size)
, m_display(display)
, m_eventQueue(eventQueue)
{
wl_array_init(&m_array);
m_data = static_cast<EGLint *>(wl_array_add(&m_array, count * sizeof(EGLint)));
for (int i = 0; i < count; ++i)
m_data[i] = data[i];
mBuffer = qt_brcm_create_buffer(brcm, size.width(), size.height(), &m_array);
wl_proxy_set_queue(reinterpret_cast<struct wl_proxy*>(mBuffer), m_eventQueue);
static const struct wl_buffer_listener buffer_listener = {
QWaylandBrcmBuffer::buffer_release
};
wl_buffer_add_listener(mBuffer, &buffer_listener, this);
}
~QWaylandBrcmBuffer()
{
wl_array_release(&m_array);
wl_buffer_destroy(mBuffer);
mBuffer = nullptr;
}
QSize size() const { return m_size; }
void bind()
{
m_released = false;
}
void waitForRelease()
{
if (m_released)
return;
while (!m_released) {
wl_display_dispatch_queue(m_display->wl_display(), m_eventQueue);
}
}
static void buffer_release(void *data, wl_buffer *buffer)
{
Q_UNUSED(buffer);
static_cast<QWaylandBrcmBuffer *>(data)->m_released = true;
}
private:
QSize m_size;
bool m_released = true;
wl_array m_array;
EGLint *m_data = nullptr;
QWaylandDisplay *m_display = nullptr;
struct wl_event_queue *m_eventQueue = nullptr;
};
QWaylandBrcmEglWindow::QWaylandBrcmEglWindow(QWindow *window, QWaylandDisplay *display)
: QWaylandWindow(window, display)
, m_eglIntegration(static_cast<QWaylandBrcmEglIntegration *>(mDisplay->clientBufferIntegration()))
, m_format(window->format())
, m_eventQueue(wl_display_create_queue(mDisplay->wl_display()))
{
}
QWaylandBrcmEglWindow::~QWaylandBrcmEglWindow()
{
destroyEglSurfaces();
}
QWaylandWindow::WindowType QWaylandBrcmEglWindow::windowType() const
{
return QWaylandWindow::Egl;
}
void QWaylandBrcmEglWindow::setGeometry(const QRect &rect)
{
destroyEglSurfaces();
QWaylandWindow::setGeometry(rect);
}
QSurfaceFormat QWaylandBrcmEglWindow::format() const
{
return m_format;
}
void QWaylandBrcmEglWindow::destroyEglSurfaces()
{
for (int i = 0; i < m_count; ++i) {
if (m_eglSurfaces[i]) {
eglDestroySurface(m_eglIntegration->eglDisplay(), m_eglSurfaces[i]);
m_eglSurfaces[i] = 0;
// the server does this
//m_eglIntegration->eglDestroyGlobalImageBRCM(&m_globalImages[5*i]);
delete m_buffers[i];
}
}
m_count = 0;
m_current = 0;
}
QSurfaceFormat brcmFixFormat(const QSurfaceFormat &f)
{
QSurfaceFormat format = f;
format.setRedBufferSize(8);
format.setGreenBufferSize(8);
format.setBlueBufferSize(8);
format.setAlphaBufferSize(8);
return format;
}
void QWaylandBrcmEglWindow::createEglSurfaces()
{
QSize size(geometry().size());
m_count = window()->format().swapBehavior() == QSurfaceFormat::TripleBuffer ? 3 : 2;
EGLConfig eglConfig = q_configFromGLFormat(m_eglIntegration->eglDisplay(), brcmFixFormat(window()->format()), true, EGL_PIXMAP_BIT);
m_format = q_glFormatFromConfig(m_eglIntegration->eglDisplay(), eglConfig);
EGLint pixel_format = EGL_PIXEL_FORMAT_ARGB_8888_BRCM;
EGLint rt;
eglGetConfigAttrib(m_eglIntegration->eglDisplay(), eglConfig, EGL_RENDERABLE_TYPE, &rt);
if (rt & EGL_OPENGL_ES_BIT) {
pixel_format |= EGL_PIXEL_FORMAT_RENDER_GLES_BRCM;
pixel_format |= EGL_PIXEL_FORMAT_GLES_TEXTURE_BRCM;
}
if (rt & EGL_OPENGL_ES2_BIT) {
pixel_format |= EGL_PIXEL_FORMAT_RENDER_GLES2_BRCM;
pixel_format |= EGL_PIXEL_FORMAT_GLES2_TEXTURE_BRCM;
}
if (rt & EGL_OPENVG_BIT) {
pixel_format |= EGL_PIXEL_FORMAT_RENDER_VG_BRCM;
pixel_format |= EGL_PIXEL_FORMAT_VG_IMAGE_BRCM;
}
if (rt & EGL_OPENGL_BIT) {
pixel_format |= EGL_PIXEL_FORMAT_RENDER_GL_BRCM;
}
memset(m_globalImages, 0, 5 * m_count * sizeof(EGLint));
for (int i = 0; i < m_count; ++i) {
m_eglIntegration->eglCreateGlobalImageBRCM(size.width(), size.height(), pixel_format,
0, size.width() * 4, &m_globalImages[5*i]);
m_globalImages[5*i+2] = size.width();
m_globalImages[5*i+3] = size.height();
m_globalImages[5*i+4] = pixel_format;
EGLint attrs[] = {
EGL_VG_COLORSPACE, EGL_VG_COLORSPACE_sRGB,
EGL_VG_ALPHA_FORMAT, pixel_format & EGL_PIXEL_FORMAT_ARGB_8888_PRE_BRCM ? EGL_VG_ALPHA_FORMAT_PRE : EGL_VG_ALPHA_FORMAT_NONPRE,
EGL_NONE
};
m_eglSurfaces[i] = eglCreatePixmapSurface(m_eglIntegration->eglDisplay(), eglConfig, (EGLNativePixmapType)&m_globalImages[5*i], attrs);
if (m_eglSurfaces[i] == EGL_NO_SURFACE)
qFatal("eglCreatePixmapSurface failed: %x, global image id: %d %d\n", eglGetError(), m_globalImages[5*i], m_globalImages[5*i+1]);
m_buffers[i] = new QWaylandBrcmBuffer(mDisplay, m_eglIntegration->waylandBrcm(), size, &m_globalImages[5*i], 5, m_eventQueue);
}
}
void QWaylandBrcmEglWindow::swapBuffers()
{
if (m_eglIntegration->eglFlushBRCM) {
m_eglIntegration->eglFlushBRCM();
} else {
glFlush();
glFinish();
}
if (!m_count)
return;
m_buffers[m_current]->bind();
commit(m_buffers[m_current], QRegion(0, 0, geometry().size().width(), geometry().size().height()));
m_current = (m_current + 1) % m_count;
m_buffers[m_current]->waitForRelease();
}
bool QWaylandBrcmEglWindow::makeCurrent(EGLContext context)
{
if (!m_count)
const_cast<QWaylandBrcmEglWindow *>(this)->createEglSurfaces();
return eglMakeCurrent(m_eglIntegration->eglDisplay(), m_eglSurfaces[m_current], m_eglSurfaces[m_current], context);
}
}
QT_END_NAMESPACE
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