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30
31 #include <QtQuick3DRender/private/qssgrenderbasetypes_p.h>
32 #include <QtQuick3DRender/private/qssgrenderprogrampipeline_p.h>
33 #include <QtQuick3DRender/private/qssgrendershaderprogram_p.h>
34
35 QT_BEGIN_NAMESPACE
36
QSSGRenderProgramPipeline(const QSSGRef<QSSGRenderContext> & context)37 QSSGRenderProgramPipeline::QSSGRenderProgramPipeline(const QSSGRef<QSSGRenderContext> &context)
38 : m_context(context)
39 , m_backend(context->backend())
40 , m_program(nullptr)
41 , m_vertexProgram(nullptr)
42 , m_fragmentProgram(nullptr)
43 , m_tessControlProgram(nullptr)
44 , m_tessEvalProgram(nullptr)
45 , m_geometryProgram(nullptr)
46 , m_computProgram(nullptr)
47 {
48 m_handle = m_backend->createProgramPipeline();
49 }
50
~QSSGRenderProgramPipeline()51 QSSGRenderProgramPipeline::~QSSGRenderProgramPipeline()
52 {
53 if (m_handle) {
54 m_backend->releaseProgramPipeline(m_handle);
55 }
56
57 if (m_vertexProgram)
58 m_vertexProgram.clear();
59 if (m_fragmentProgram)
60 m_fragmentProgram.clear();
61 if (m_tessControlProgram)
62 m_tessControlProgram.clear();
63 if (m_tessEvalProgram)
64 m_tessEvalProgram.clear();
65 if (m_geometryProgram)
66 m_geometryProgram.clear();
67 }
68
isValid()69 bool QSSGRenderProgramPipeline::isValid()
70 {
71 return (m_handle != nullptr);
72 }
73
setProgramStages(const QSSGRef<QSSGRenderShaderProgram> & inProgram,QSSGRenderShaderTypeFlags flags)74 void QSSGRenderProgramPipeline::setProgramStages(const QSSGRef<QSSGRenderShaderProgram> &inProgram, QSSGRenderShaderTypeFlags flags)
75 {
76 bool bDirty = false;
77
78 if (flags & QSSGRenderShaderTypeValue::Vertex && inProgram != m_vertexProgram) {
79 m_vertexProgram = inProgram;
80 bDirty = true;
81 }
82 if (flags & QSSGRenderShaderTypeValue::Fragment && inProgram != m_fragmentProgram) {
83 m_fragmentProgram = inProgram;
84 bDirty = true;
85 }
86 if (flags & QSSGRenderShaderTypeValue::TessControl && inProgram != m_tessControlProgram) {
87 m_tessControlProgram = inProgram;
88 bDirty = true;
89 }
90 if (flags & QSSGRenderShaderTypeValue::TessEvaluation && inProgram != m_tessEvalProgram) {
91 m_tessEvalProgram = inProgram;
92 bDirty = true;
93 }
94 if (flags & QSSGRenderShaderTypeValue::Geometry && inProgram != m_geometryProgram) {
95 m_geometryProgram = inProgram;
96 bDirty = true;
97 }
98
99 if (bDirty) {
100 m_backend->setProgramStages(m_handle, flags, (inProgram) ? inProgram->handle() : nullptr);
101 }
102 }
103
bind()104 void QSSGRenderProgramPipeline::bind()
105 {
106 m_backend->setActiveProgramPipeline(m_handle);
107 }
108
vertexStage()109 QSSGRef<QSSGRenderShaderProgram> QSSGRenderProgramPipeline::vertexStage()
110 {
111 return m_vertexProgram;
112 }
113
114 QT_END_NAMESPACE
115