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39
40#ifndef QT3DRENDER_RENDER_CLEARBUFFERS_P_H
41#define QT3DRENDER_RENDER_CLEARBUFFERS_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 <Qt3DRender/private/framegraphnode_p.h>
55#include <Qt3DRender/qclearbuffers.h>
56
57QT_BEGIN_NAMESPACE
58
59namespace Qt3DRender {
60
61namespace Render {
62
63class FrameGraphManager;
64
65class Q_3DRENDERSHARED_PRIVATE_EXPORT ClearBuffers : public FrameGraphNode
66{
67public:
68 ClearBuffers();
69
70 QClearBuffers::BufferType type() const;
71 float clearDepthValue() const;
72 int clearStencilValue() const;
73 Qt3DCore::QNodeId bufferId() const;
74
75 // in the backend we store this as a QVector4D, as the clearBuffer
76 // functions do support all float values (also those not clamped to [0,1])
77 // (for non-clamped float or int buffer types)
78 // we don't support this in the frontend yet, but let's keep our options for now
79 // and avoid QColor->QVector4D conversion every frame.
80 QVector4D clearColor() const;
81
82 // some clear operations only accept clamped values
83 QColor clearColorAsColor() const;
84
85 bool clearsAllColorBuffers() const;
86 void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
87
88private:
89 QClearBuffers::BufferType m_type;
90 QColor m_clearColorAsColor;
91 QVector4D m_clearColor;
92 float m_clearDepthValue;
93 int m_clearStencilValue;
94 Qt3DCore::QNodeId m_colorBufferId;
95};
96
97} // namespace Render
98
99} // namespace Qt3DRender
100
101QT_END_NAMESPACE
102
103#endif // QT3DRENDER_RENDER_CLEARBUFFERS_P_H
104

source code of qt3d/src/render/framegraph/clearbuffers_p.h