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39
40#include "renderthread_p.h"
41#include <Qt3DRender/private/abstractrenderer_p.h>
42#include <Qt3DRender/private/renderlogging_p.h>
43#include <QEventLoop>
44#include <QTime>
45#include <QMutexLocker>
46
47QT_BEGIN_NAMESPACE
48
49namespace Qt3DRender {
50
51namespace Render {
52
53RenderThread::RenderThread(AbstractRenderer *renderer)
54 : QThread(),
55 m_renderer(renderer),
56 m_semaphore(0)
57{
58}
59
60RenderThread::~RenderThread()
61{
62}
63
64// Called by Renderer in the context of the Aspect Thread
65void RenderThread::waitForStart( Priority priority )
66{
67 qCDebug(Render::Backend) << "Starting Render thread and then going to sleep until it is ready for us...";
68 start( priority );
69 m_semaphore.acquire();
70 qCDebug(Render::Backend) << "Render thread is now ready & calling thread is now awake again";
71}
72
73// RenderThread context
74void RenderThread::run()
75{
76 // return control to the aspect thread that created us.
77 m_semaphore.release();
78
79 // This call to Renderer::initialize() waits for a surface to be set on the
80 // renderer in the context of the Aspect Thread
81 m_renderer->initialize();
82
83 // Enter the main OpenGL submission loop.
84 m_renderer->render();
85
86 // Clean up any OpenGL resources
87 m_renderer->releaseGraphicsResources();
88
89 qCDebug(Render::Backend) << "Exiting RenderThread";
90}
91
92} // namespace Render
93
94} // namespace Qt3DRender
95
96QT_END_NAMESPACE
97

source code of qt3d/src/render/backend/renderthread.cpp