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39
40#include "clearbuffers_p.h"
41#include <Qt3DRender/private/qclearbuffers_p.h>
42
43QT_BEGIN_NAMESPACE
44
45using namespace Qt3DCore;
46
47namespace Qt3DRender {
48namespace Render {
49
50static QVector4D vec4dFromColor(const QColor &color)
51{
52 if (!color.isValid())
53 return QVector4D(0.0f, 0.0f, 0.0f, 1.0f);
54 return QVector4D(float(color.redF()), float(color.greenF()), float(color.blueF()), float(color.alphaF()));
55}
56
57ClearBuffers::ClearBuffers()
58 : FrameGraphNode(FrameGraphNode::ClearBuffers)
59 , m_type(QClearBuffers::None)
60 , m_clearColorAsColor(Qt::black)
61 , m_clearColor(vec4dFromColor(color: m_clearColorAsColor))
62 , m_clearDepthValue(1.f)
63 , m_clearStencilValue(0)
64{
65}
66
67void ClearBuffers::syncFromFrontEnd(const QNode *frontEnd, bool firstTime)
68{
69 const QClearBuffers *node = qobject_cast<const QClearBuffers *>(object: frontEnd);
70 if (!node)
71 return;
72
73 FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime);
74
75 if (m_clearColorAsColor != node->clearColor()) {
76 m_clearColorAsColor = node->clearColor();
77 m_clearColor = vec4dFromColor(color: node->clearColor());
78 markDirty(changes: AbstractRenderer::FrameGraphDirty);
79 }
80
81 if (!qFuzzyCompare(p1: m_clearDepthValue, p2: node->clearDepthValue())) {
82 m_clearDepthValue = node->clearDepthValue();
83 markDirty(changes: AbstractRenderer::FrameGraphDirty);
84 }
85
86 if (m_clearStencilValue != node->clearStencilValue()) {
87 m_clearStencilValue = node->clearStencilValue();
88 markDirty(changes: AbstractRenderer::FrameGraphDirty);
89 }
90
91 const QNodeId colorBufferId = qIdForNode(node: node->colorBuffer());
92 if (m_colorBufferId != colorBufferId) {
93 m_colorBufferId = colorBufferId;
94 markDirty(changes: AbstractRenderer::FrameGraphDirty);
95 }
96
97 if (m_type != node->buffers()) {
98 m_type = node->buffers();
99 markDirty(changes: AbstractRenderer::FrameGraphDirty);
100 }
101}
102
103QClearBuffers::BufferType ClearBuffers::type() const
104{
105 return m_type;
106}
107
108QColor ClearBuffers::clearColorAsColor() const
109{
110 return m_clearColorAsColor;
111}
112
113QVector4D ClearBuffers::clearColor() const
114{
115 return m_clearColor;
116}
117
118float ClearBuffers::clearDepthValue() const
119{
120 return m_clearDepthValue;
121}
122
123int ClearBuffers::clearStencilValue() const
124{
125 return m_clearStencilValue;
126}
127
128Qt3DCore::QNodeId ClearBuffers::bufferId() const
129{
130 return m_colorBufferId;
131}
132
133bool ClearBuffers::clearsAllColorBuffers() const
134{
135 return m_colorBufferId.isNull();
136}
137
138} // namespace Render
139} // namespace Qt3DRender
140
141QT_END_NAMESPACE
142

source code of qt3d/src/render/framegraph/clearbuffers.cpp