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39
40#ifndef QT3DRENDER_RENDER_COMMANDTHREAD_P_H
41#define QT3DRENDER_RENDER_COMMANDTHREAD_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtCore/QThread>
55#include <QtCore/QSemaphore>
56#include <QtCore/QMutex>
57
58QT_BEGIN_NAMESPACE
59
60class QOpenGLContext;
61
62namespace Qt3DRender {
63
64namespace Render {
65
66class Renderer;
67class GLCommand;
68class OffscreenSurfaceHelper;
69class GraphicsContext;
70class ShaderCache;
71
72class CommandThread : public QThread
73{
74 Q_OBJECT
75public:
76 explicit CommandThread(Renderer *renderer);
77 ~CommandThread();
78
79 Render::Renderer* renderer() const { return m_renderer; }
80
81 void setShaderCache(ShaderCache *shaderCache);
82 ShaderCache *shaderCache() const { return m_shaderCache; }
83
84 void initialize(QOpenGLContext *mainContext, OffscreenSurfaceHelper *offsreenSurfaceHelper);
85 void shutdown();
86
87 void executeCommand(GLCommand *command);
88
89private:
90 void run() override;
91 void executeCommandInternal(Qt3DRender::Render::GLCommand *command);
92
93private:
94 Renderer* m_renderer;
95 QSemaphore m_waitForStartSemaphore;
96 QSemaphore m_initializedSemaphore;
97 QSemaphore m_commandRequestedSemaphore;
98 QSemaphore m_commandExecutionSemaphore;
99 QMutex m_blockingCallerMutex;
100 QOpenGLContext *m_mainContext;
101 ShaderCache *m_shaderCache;
102 OffscreenSurfaceHelper *m_offsreenSurfaceHelper;
103 QScopedPointer<QOpenGLContext> m_localContext;
104 QScopedPointer<GraphicsContext> m_graphicsContext;
105 GLCommand *m_currentCommand;
106 QAtomicInt m_running;
107};
108
109} // Render
110
111} // Qt3DRender
112
113QT_END_NAMESPACE
114
115#endif // QT3DRENDER_RENDER_COMMANDTHREAD_P_H
116