diff options
Diffstat (limited to 'src/Authoring/Studio/Render/StudioSubPresentationRenderer.cpp')
| -rw-r--r-- | src/Authoring/Studio/Render/StudioSubPresentationRenderer.cpp | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/src/Authoring/Studio/Render/StudioSubPresentationRenderer.cpp b/src/Authoring/Studio/Render/StudioSubPresentationRenderer.cpp deleted file mode 100644 index 76e5f3c3..00000000 --- a/src/Authoring/Studio/Render/StudioSubPresentationRenderer.cpp +++ /dev/null @@ -1,387 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** 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 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** 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 "StudioSubPresentationRenderer.h" -#include "render/Qt3DSRenderContext.h" -#include "q3dspresentation.h" -#include "q3dsviewersettings.h" - -#include <QtCore/qfileinfo.h> -#include <qxmlstream.h> - -using namespace qt3ds::render; - -class RendererThread : public QThread -{ -public: - RendererThread(QThread *mainThread) - : m_running(false) - , m_updated(false) - , m_initialized(false) - , m_mainThread(mainThread) - , m_semaphore(0) - { - } - - QSize readPresentationSize(const QString &url) - { - QFile file(url); - file.open(QFile::Text | QFile::ReadOnly); - if (!file.isOpen()) { - qWarning () << file.errorString(); - return QSize(); - } - QXmlStreamReader reader(&file); - reader.setNamespaceProcessing(false); - - if (reader.readNextStartElement() && reader.qualifiedName() == QLatin1String("UIP")) { - if (reader.readNextStartElement() - && reader.qualifiedName() == QLatin1String("Project")) { - if (reader.readNextStartElement() - && reader.qualifiedName() == QLatin1String("ProjectSettings")) { - const auto attrib = reader.attributes(); - return QSize(attrib.value(QLatin1String("presentationWidth")).toInt(), - attrib.value(QLatin1String("presentationHeight")).toInt()); - } - } - } - return QSize(); - } - - void initialize(const QString &id, const QString &presentation, const QString &path) - { - m_path = path; - m_presentation = presentation; - - m_surfaceViewer.reset(new Q3DSSurfaceViewer); - m_surfaceViewer->setPresentationId(id); - m_context.reset(new QT_PREPEND_NAMESPACE(QOpenGLContext)); - m_surface.reset(new QOffscreenSurface); - - QSurfaceFormat format = QSurfaceFormat::defaultFormat(); - if (QT_PREPEND_NAMESPACE(QOpenGLContext)::currentContext()) - format = QT_PREPEND_NAMESPACE(QOpenGLContext)::currentContext()->format(); - m_context->setShareContext(QT_PREPEND_NAMESPACE(QOpenGLContext)::currentContext()); - m_context->setFormat(format); - m_surface->setFormat(format); - m_context->create(); - m_surface->create(); - m_context->moveToThread(this); - m_surface->moveToThread(this); - m_surfaceViewer->moveToThread(this); - - QObject::connect(m_surfaceViewer.data(), &Q3DSSurfaceViewer::frameUpdate, - this, &RendererThread::frameRendered); - m_initialized = true; - } - - void run() override - { - QFileInfo info(m_path + "/" + m_presentation); - m_size = readPresentationSize(m_path + "/" + m_presentation); - - m_context->makeCurrent(m_surface.data()); - - m_fbo.reset(new QOpenGLFramebufferObject(m_size, - QOpenGLFramebufferObject::CombinedDepthStencil)); - - m_surfaceViewer->setSize(m_size); - m_surfaceViewer->setAutoSize(false); - m_surfaceViewer->setUpdateInterval(-1); - m_surfaceViewer->presentation()->setSource(QUrl::fromLocalFile(info.absoluteFilePath())); - m_surfaceViewer->settings()->setMatteColor(Qt::transparent); - m_surfaceViewer->create(m_surface.data(), m_context.data(), m_fbo->handle()); - m_running = true; - m_semaphore.release(); - -#ifdef Q_OS_LINUX - // TODO: Updating the subpresentation on loop crashes or hangs on Linux, this hack fixes - // it for now - m_surfaceViewer->update(); -#endif - - m_context->doneCurrent(); - -#ifndef Q_OS_LINUX - // TODO: Updating the subpresentation on loop crashes or hangs on Linux, this hack fixes - // it for now - while (true) { - QMutexLocker lock(&m_mutex); - if (!m_running) - break; - m_context->makeCurrent(m_surface.data()); - if (!m_surfaceViewer->isRunning()) { - qWarning () << "Subpresentation stopped running. Stopping updating."; - break; - } - - m_surfaceViewer->update(); - m_context->functions()->glFlush(); - m_updated = true; - m_context->doneCurrent(); - lock.unlock(); - - // Update approx 30 fps - QThread::usleep(33000); - } - m_fbo.reset(); - m_context->doneCurrent(); - m_context.reset(); -#endif - m_surfaceViewer->destroy(); - m_surfaceViewer.reset(); - m_surface->moveToThread(m_mainThread); - m_semaphore.release(); - } - - void frameRendered() - { - m_updated = true; - } - - QScopedPointer<Q3DSSurfaceViewer> m_surfaceViewer; - QScopedPointer<QT_PREPEND_NAMESPACE(QOpenGLContext)> m_context; - QScopedPointer<QOffscreenSurface> m_surface; - QScopedPointer<QOpenGLFramebufferObject> m_fbo; - QString m_path; - QString m_presentation; - QMutex m_mutex; - bool m_running, m_updated, m_initialized; - QThread *m_mainThread; - QSemaphore m_semaphore; - QSize m_size; -}; - -StudioSubpresentationRenderer::StudioSubpresentationRenderer( - IQt3DSRenderContext &inRenderContext, const QString &id, - const QString &presentation, const QString &path) - : m_renderContext(inRenderContext), m_id(id), m_presentation(presentation), m_path(path) - , m_program(nullptr) - , m_vao(nullptr) - , m_vertices(nullptr) - , m_callback(nullptr) - , m_rendererType(inRenderContext.GetStringTable().RegisterStr("StudioPresentationRenderer")) - , mRefCount(0) -{ - m_thread.reset(new RendererThread(QThread::currentThread())); -} - -StudioSubpresentationRenderer::~StudioSubpresentationRenderer() -{ - QMutexLocker lock(&m_thread->m_mutex); - if (m_thread->m_running) { - m_thread->m_running = false; - lock.unlock(); - m_thread->m_semaphore.acquire(); - } -} - -CRegisteredString StudioSubpresentationRenderer::GetOffscreenRendererType() -{ - return m_rendererType; -} - -SOffscreenRendererEnvironment -StudioSubpresentationRenderer::GetDesiredEnvironment(QT3DSVec2 inPresentationScaleFactor) -{ - // If we aren't using a clear color, then we are expected to blend with the background - if (!m_thread->m_initialized) { - initialize(); - } - bool hasTransparency = true; - NVRenderTextureFormats::Enum format = - hasTransparency ? NVRenderTextureFormats::RGBA8 : NVRenderTextureFormats::RGB8; - return SOffscreenRendererEnvironment( - QT3DSU32(m_thread->m_size.width() * inPresentationScaleFactor.x), - QT3DSU32(m_thread->m_size.height() * inPresentationScaleFactor.y), - format, OffscreenRendererDepthValues::Depth24, false, - AAModeValues::NoAA); -} - -SOffscreenRenderFlags StudioSubpresentationRenderer::NeedsRender( - const SOffscreenRendererEnvironment &inEnvironment, - QT3DSVec2 inPresentationScaleFactor, - const SRenderInstanceId instanceId) -{ - Q_UNUSED(inEnvironment) - Q_UNUSED(inPresentationScaleFactor) - Q_UNUSED(instanceId) - return SOffscreenRenderFlags(true, true); -} - -void StudioSubpresentationRenderer::initialize() -{ - m_thread->initialize(m_id, m_presentation, m_path); - m_thread->start(); - m_thread->m_semaphore.acquire(); - if (m_callback) - m_callback->onOffscreenRendererInitialized(m_id); -} - -void StudioSubpresentationRenderer::Render(const SOffscreenRendererEnvironment &inEnvironment, - NVRenderContext &inRenderContext, QT3DSVec2 inPresentationScaleFactor, - SScene::RenderClearCommand inColorBufferNeedsClear, - const SRenderInstanceId instanceId) -{ - Q_UNUSED(inEnvironment) - Q_UNUSED(inPresentationScaleFactor) - Q_UNUSED(instanceId) - inRenderContext.PushPropertySet(); - if (!m_thread->m_initialized) { - initialize(); - } - QMutexLocker lock(&m_thread->m_mutex); - if (m_thread->m_initialized && m_thread->m_updated) { - QT_PREPEND_NAMESPACE(QOpenGLContext) *context - = QT_PREPEND_NAMESPACE(QOpenGLContext)::currentContext(); - QOpenGLFunctions *func = context->functions(); - GLuint texture = m_thread->m_fbo->texture(); - func->glDisable(GL_DEPTH_TEST); - if (inColorBufferNeedsClear == SScene::RenderClearCommand::AlwaysClear) - func->glDisable(GL_BLEND); - else - func->glEnable(GL_BLEND); - func->glBlendEquation(GL_FUNC_ADD); - func->glBlendFunc(GL_SRC_ALPHA, 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), nullptr); - func->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 6 * sizeof(float), - reinterpret_cast<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); - func->glBindTexture(GL_TEXTURE_2D, 0); - - m_program->release(); - m_vao->release(); - - if (m_callback) - m_callback->onOffscreenRendererFrame(m_id); - } - inRenderContext.PopPropertySet(true); -} - -void StudioSubpresentationRenderer::RenderWithClear( - const SOffscreenRendererEnvironment &inEnvironment, - NVRenderContext &inRenderContext, QT3DSVec2 inPresentationScaleFactor, - SScene::RenderClearCommand inColorBufferNeedsClear, - QT3DSVec4 inclearColor, - const SRenderInstanceId instanceId) -{ - inRenderContext.SetClearColor(inclearColor); - Render(inEnvironment, inRenderContext, inPresentationScaleFactor, - inColorBufferNeedsClear, instanceId); -} - -void StudioSubpresentationRenderer::initializeFboCopy() -{ - m_program = new QOpenGLShaderProgram; - if (m_thread->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(); -} |