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39
40#include "renderviewcommandupdaterjob_p.h"
41#include <Qt3DRender/private/job_common_p.h>
42#include <renderer_p.h>
43#include <renderview_p.h>
44
45QT_BEGIN_NAMESPACE
46
47namespace Qt3DRender {
48
49namespace Render {
50
51namespace OpenGL {
52
53namespace {
54int renderViewInstanceCounter = 0;
55} // anonymous
56
57class RenderViewCommandUpdaterJobPrivate : public Qt3DCore::QAspectJobPrivate
58{
59public:
60 RenderViewCommandUpdaterJobPrivate(RenderViewCommandUpdaterJob *q) : q_ptr(q) { }
61 ~RenderViewCommandUpdaterJobPrivate() override = default;
62
63 bool isRequired() const override;
64 void postFrame(Qt3DCore::QAspectManager *manager) override;
65
66 RenderViewCommandUpdaterJob *q_ptr;
67 Q_DECLARE_PUBLIC(RenderViewCommandUpdaterJob)
68};
69
70bool RenderViewCommandUpdaterJobPrivate::isRequired() const
71{
72 Q_Q(const RenderViewCommandUpdaterJob);
73 return q->m_renderView && !q->m_renderView->noDraw() && q->m_renderablesSubView.count > 0;
74}
75
76void RenderViewCommandUpdaterJobPrivate::postFrame(Qt3DCore::QAspectManager *manager)
77{
78 Q_UNUSED(manager)
79
80 // reset to 0 after every frame, stops the number growing indefinitely
81 renderViewInstanceCounter = 0;
82}
83
84RenderViewCommandUpdaterJob::RenderViewCommandUpdaterJob()
85 : Qt3DCore::QAspectJob(*new RenderViewCommandUpdaterJobPrivate(this))
86 , m_renderView(nullptr)
87 , m_renderer(nullptr)
88 , m_renderablesSubView()
89{
90 SET_JOB_RUN_STAT_TYPE(this, JobTypes::RenderCommandUpdater, renderViewInstanceCounter++)
91}
92
93void RenderViewCommandUpdaterJob::run()
94{
95 // Build RenderCommand should perform the culling as we have no way to determine
96 // if a child has a mesh in the view frustum while its parent isn't contained in it.
97 if (!m_renderView->noDraw()) {
98 if (m_renderablesSubView.count == 0)
99 return;
100 // Update Render Commands (Uniform Change, Depth Change)
101 m_renderView->updateRenderCommand(subView: m_renderablesSubView);
102 }
103}
104
105} // OpenGL
106
107} // Render
108
109} // Qt3DRender
110
111QT_END_NAMESPACE
112

source code of qt3d/src/plugins/renderers/opengl/jobs/renderviewcommandupdaterjob.cpp