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Diffstat (limited to 'src/Runtime/ogl-runtime/src/qmlstreamer/q3dsqmlstreamrenderer.cpp')
m---------src/Runtime/ogl-runtime0
-rw-r--r--src/Runtime/ogl-runtime/src/qmlstreamer/q3dsqmlstreamrenderer.cpp483
2 files changed, 0 insertions, 483 deletions
diff --git a/src/Runtime/ogl-runtime b/src/Runtime/ogl-runtime
new file mode 160000
+Subproject 2025912174c4cf99270b7439ec3b021e1d089ae
diff --git a/src/Runtime/ogl-runtime/src/qmlstreamer/q3dsqmlstreamrenderer.cpp b/src/Runtime/ogl-runtime/src/qmlstreamer/q3dsqmlstreamrenderer.cpp
deleted file mode 100644
index f1879a6e..00000000
--- a/src/Runtime/ogl-runtime/src/qmlstreamer/q3dsqmlstreamrenderer.cpp
+++ /dev/null
@@ -1,483 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of Qt 3D Studio.
-**
-** $QT_BEGIN_LICENSE:GPL$
-** 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 The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 or (at your option) any later version
-** approved by the KDE Free Qt Foundation. The licenses are as published by
-** the Free Software Foundation and appearing in the file LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "q3dsqmlstreamrenderer.h"
-
-#include <QCoreApplication>
-#include <qdebug.h>
-#include <QOpenGLContext>
-#include <QSurface>
-#include <QPainter>
-#include <QOpenGLFunctions>
-#include <QWindow>
-#include <QQuickWindow>
-#include <QQuickRenderControl>
-#include <QtQml/QQmlEngine>
-#include <QtQml/QQmlContext>
-#include <QQuickWindow>
-#include <QQuickItem>
-#include <QThread>
-#include <QOffscreenSurface>
-#include <QOpenGLFramebufferObject>
-#include <QOpenGLShaderProgram>
-#include <QOpenGLBuffer>
-#include <QOpenGLVertexArrayObject>
-
-Q_GLOBAL_STATIC(QThread, renderThread)
-Q_GLOBAL_STATIC(QAtomicInt, renderThreadClientCount)
-
-#define RenderEvent(name, value) \
- class name : public QEvent \
- { \
- public: \
- name() : QEvent(_type) {} \
- static const QEvent::Type _type; \
- }; \
- const QEvent::Type name::_type = QEvent::Type(value);
-
-RenderEvent(InitializeRender, QEvent::User + 1)
-RenderEvent(RequestUpdate, QEvent::User + 2)
-RenderEvent(InitializeRenderThread, QEvent::User + 3)
-RenderEvent(PrepareRender, QEvent::User + 4)
-RenderEvent(Cleanup, QEvent::User + 5)
-
-#define EventType(e) (e::_type)
-
-class RenderControl : public QQuickRenderControl
-{
-public:
- RenderControl(QWindow *w)
- : m_window(w)
- {
- }
-
- QWindow *renderWindow(QPoint *offset) Q_DECL_OVERRIDE
- {
- if (offset)
- *offset = QPoint(0, 0);
- return m_window;
- }
-
-private:
- QWindow *m_window;
-};
-
-Q3DSQmlStreamEventHandler::Q3DSQmlStreamEventHandler(Q3DSQmlStreamRenderer *renderer)
- : m_renderer(renderer)
-{
-
-}
-
-bool Q3DSQmlStreamEventHandler::event(QEvent *e)
-{
- switch (e->type()) {
-
- case EventType(RequestUpdate): {
- m_renderer->renderTexture();
- return true;
- }
-
- case EventType(InitializeRenderThread): {
- m_renderer->initializeRender();
- return true;
- }
-
- case EventType(Cleanup): {
- m_renderer->cleanup();
- return true;
- }
-
- default:
- break;
- }
- return QObject::event(e);
-}
-
-Q3DSQmlStreamRenderer::Q3DSQmlStreamRenderer()
- : m_renderControl(nullptr)
- , m_quickWindow(nullptr)
- , m_rootItem(nullptr)
- , m_frameBuffer(nullptr)
- , m_program(nullptr)
- , m_vao(nullptr)
- , m_vertices(nullptr)
- , m_context(nullptr)
- , m_offscreenSurface(nullptr)
- , m_renderObject(nullptr)
- , m_renderThread(nullptr)
- , m_requestUpdate(false)
- , m_initialized(false)
- , m_prepared(false)
- , m_update(false)
- , m_delayedUpdateRequest(false)
-{
- renderThreadClientCount->fetchAndAddAcquire(1);
-
- QSurfaceFormat format = QSurfaceFormat::defaultFormat();
- if (QOpenGLContext::currentContext())
- format = QOpenGLContext::currentContext()->format();
- else {
- format.setDepthBufferSize(24);
- format.setStencilBufferSize(8);
- }
-
- m_offscreenSurface = new QOffscreenSurface;
- m_offscreenSurface->setFormat(format);
- m_offscreenSurface->create();
-
- m_renderControl = new RenderControl(nullptr);
-
- connect(m_renderControl, &QQuickRenderControl::renderRequested,
- this, &Q3DSQmlStreamRenderer::requestUpdate);
- connect(m_renderControl, &QQuickRenderControl::sceneChanged,
- this, &Q3DSQmlStreamRenderer::requestUpdate);
-
- m_quickWindow = new QQuickWindow(m_renderControl);
- m_quickWindow->setClearBeforeRendering(true);
- m_quickWindow->setColor(Qt::transparent);
-
- m_renderObject = new Q3DSQmlStreamEventHandler(this);
- renderThread->setObjectName(QStringLiteral("Qt3DSQmlStreamRenderer::renderThread"));
- m_renderThread = renderThread;
-
- m_renderObject->moveToThread(m_renderThread);
- if (!m_renderThread->isRunning())
- m_renderThread->start();
-}
-
-Q3DSQmlStreamRenderer::~Q3DSQmlStreamRenderer()
-{
- QMutexLocker lock(&m_mutex);
- QCoreApplication::postEvent(m_renderObject, new Cleanup());
- m_waitCondition.wait(&m_mutex);
-
- delete m_offscreenSurface;
- delete m_renderControl;
- delete m_quickWindow;
- delete m_renderObject;
-
- renderThreadClientCount->fetchAndSubAcquire(1);
- if (renderThreadClientCount->load() == 0)
- renderThread->quit();
-}
-
-void Q3DSQmlStreamRenderer::cleanup()
-{
- if (m_context)
- m_context->makeCurrent(m_offscreenSurface);
- if (m_renderControl)
- m_renderControl->invalidate();
-
- delete m_frameBuffer;
- delete m_program;
- delete m_vertices;
-
- if (m_context)
- m_context->doneCurrent();
- delete m_context;
-
- if (m_renderObject)
- m_renderObject->moveToThread(QCoreApplication::instance()->thread());
- m_waitCondition.wakeOne();
-}
-
-bool Q3DSQmlStreamRenderer::initialize(QOpenGLContext *context, QSurface *surface)
-{
- Q_UNUSED(surface);
- QMutexLocker lock(&m_renderMutex);
- if (!m_context) {
- m_context = new QOpenGLContext();
- m_context->setShareContext(context);
- m_context->setFormat(context->format());
- m_context->create();
- m_context->moveToThread(m_renderThread);
- }
-
- if (!m_rootItem) {
- return true;
- }
-
- if (m_initialized) {
- Q_ASSERT(QOpenGLContext::areSharing(context, m_context));
- return true;
- }
-
- m_rootItem->setParentItem(m_quickWindow->contentItem());
-
- updateSizes();
-
- m_initialized = true;
- // Initialize render thread
- QCoreApplication::postEvent(m_renderObject,
- new InitializeRenderThread());
- return true;
-}
-void Q3DSQmlStreamRenderer::initializeFboCopy()
-{
- m_program = new QOpenGLShaderProgram;
- if (m_context->format().renderableType() == QSurfaceFormat::OpenGLES) {
- static const char *vsSource =
- "attribute highp vec4 pos;\n"
- "attribute highp vec2 tc;\n"
- "varying lowp vec2 texcoord;\n"
- "void main() {\n"
- " texcoord = tc;\n"
- " gl_Position = pos;\n"
- "}\n";
- static const char *fsSource =
- "varying highp vec2 texcoord;\n"
- "uniform sampler2D sampler;\n"
- "void main() {\n"
- " gl_FragColor = texture2D(sampler, texcoord);\n"
- "}\n";
- m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, vsSource);
- m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, fsSource);
- } else {
- static const char *vsSource =
- "#version 150 core\n"
- "in vec4 pos;\n"
- "in vec2 tc;\n"
- "out vec2 texcoord;\n"
- "void main() {\n"
- " texcoord = tc;\n"
- " gl_Position = pos;\n"
- "}\n";
- static const char *fsSource =
- "#version 150 core\n"
- "in vec2 texcoord;\n"
- "out vec4 fragColor;\n"
- "uniform sampler2D sampler;\n"
- "void main() {\n"
- " fragColor = texture(sampler, texcoord);\n"
- "}\n";
- m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, vsSource);
- m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, fsSource);
- }
-
- m_program->bindAttributeLocation("pos", 0);
- m_program->bindAttributeLocation("tc", 1);
-
- if (!m_program->link()) {
- QByteArray logData(m_program->log().toLocal8Bit());
- const char *log = logData.data();
- qFatal("Failed to create shader program: %s", log);
- }
-
- m_vertices = new QOpenGLBuffer;
- m_vertices->create();
- m_vertices->bind();
-
- static const float vertices[] =
- {
- -1, -1, 0, 1, 0, 0,
- 1, -1, 0, 1, 1, 0,
- 1, 1, 0, 1, 1, 1,
- -1, -1, 0, 1, 0, 0,
- 1, 1, 0, 1, 1, 1,
- -1, 1, 0, 1, 0, 1,
- };
-
- m_vertices->allocate(vertices, sizeof(vertices));
- m_vertices->release();
-}
-
-void Q3DSQmlStreamRenderer::initializeRender()
-{
- QMutexLocker lock(&m_renderMutex);
- m_context->makeCurrent(m_offscreenSurface);
- m_renderControl->initialize(m_context);
- m_context->doneCurrent();
- QCoreApplication::postEvent(this, new PrepareRender());
-}
-
-QSize Q3DSQmlStreamRenderer::getDesiredSize()
-{
- return m_size;
-}
-
-E_TEXTURE_FORMAT Q3DSQmlStreamRenderer::getDesiredFormat()
-{
- return E_TEXTURE_RGBA8;
-}
-
-bool Q3DSQmlStreamRenderer::isUpdateRequested()
-{
- return m_update;
-}
-
-// Called by stream renderer client when it stops using the renderer
-// TODO: We are sharing the context so stop using it.
-void Q3DSQmlStreamRenderer::uninitialize()
-{
-}
-
-void Q3DSQmlStreamRenderer::setItem(QQuickItem *item)
-{
- if (item && m_rootItem && m_initialized) {
- QMutexLocker lock(&m_renderMutex);
- m_rootItem->setParentItem(nullptr);
- m_rootItem = item;
- m_rootItem->setParentItem(m_quickWindow->contentItem());
- updateSizes();
- } else {
- if (item && m_rootItem != item) {
- m_rootItem = item;
-
- if (m_context)
- initialize(m_context, nullptr);
- }
- }
-}
-
-bool Q3DSQmlStreamRenderer::event(QEvent *event)
-{
- switch (event->type()) {
-
- case EventType(PrepareRender): {
-
- m_renderControl->prepareThread(m_renderThread);
- m_prepared = true;
-
- if (m_delayedUpdateRequest) {
- QCoreApplication::postEvent(this, new RequestUpdate());
- m_delayedUpdateRequest = false;
- }
-
- return true;
- }
-
- case EventType(RequestUpdate): {
-
- m_renderControl->polishItems();
- QMutexLocker lock(&m_mutex);
- QCoreApplication::postEvent(m_renderObject, new RequestUpdate());
- m_waitCondition.wait(&m_mutex);
- return true;
- }
-
- default:
- break;
- }
-
- return QObject::event(event);
-}
-
-void Q3DSQmlStreamRenderer::updateSizes()
-{
- if (m_rootItem->width() > 0 && m_rootItem->height() > 0) {
- m_size = QSize(m_rootItem->width(), m_rootItem->height());
- } else {
- m_rootItem->setWidth(256);
- m_rootItem->setHeight(256);
- }
-
- m_quickWindow->setGeometry(0, 0, m_size.width(), m_size.height());
-}
-
-void Q3DSQmlStreamRenderer::requestUpdate()
-{
- if (!m_requestUpdate) {
- m_requestUpdate = true;
- if (m_initialized)
- QCoreApplication::postEvent(this, new RequestUpdate());
- else
- m_delayedUpdateRequest = true;
- }
-}
-
-void Q3DSQmlStreamRenderer::renderTexture()
-{
- QMutexLocker lock(&m_renderMutex);
- m_context->makeCurrent(m_offscreenSurface);
-
- if (!m_frameBuffer || m_frameBuffer->size() != m_size) {
- if (m_frameBuffer)
- delete m_frameBuffer;
-
- m_frameBuffer = new QOpenGLFramebufferObject(m_size);
- m_frameBuffer->setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
- m_quickWindow->setRenderTarget(m_frameBuffer);
- }
-
- {
- QMutexLocker lock(&m_mutex);
- if (m_requestUpdate) {
- m_requestUpdate = false;
- m_renderControl->sync();
- m_renderControl->render();
- m_waitCondition.wakeOne();
- }
- }
-
- m_context->functions()->glFlush();
- m_quickWindow->resetOpenGLState();
- m_context->doneCurrent();
- m_update = true;
-}
-
-void Q3DSQmlStreamRenderer::render()
-{
- QMutexLocker lock(&m_renderMutex);
- if (m_update && m_initialized) {
- QOpenGLContext *context = QOpenGLContext::currentContext();
- QOpenGLFunctions *func = context->functions();
- GLuint texture = m_frameBuffer->texture();
- func->glDisable(GL_DEPTH_TEST);
- func->glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
-
- if (!m_program)
- initializeFboCopy();
-
- m_program->bind();
-
- if (!m_vao) {
- m_vao = new QOpenGLVertexArrayObject;
- m_vao->create();
- m_vao->bind();
- m_vertices->bind();
-
- m_program->enableAttributeArray(0);
- m_program->enableAttributeArray(1);
- func->glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 6 * sizeof(float), 0);
- func->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 6 * sizeof(float),
- (const void *)(4 * sizeof(GLfloat)));
- m_vertices->release();
- } else {
- m_vao->bind();
- }
-
- func->glActiveTexture(GL_TEXTURE0);
- func->glBindTexture(GL_TEXTURE_2D, texture);
- func->glDrawArrays(GL_TRIANGLES, 0, 6);
- func->glEnable(GL_DEPTH_TEST);
-
- m_program->release();
- m_vao->release();
- }
-}
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