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40
41#ifndef QT3DRENDER_RENDER_RENDERCOMMAND_H
42#define QT3DRENDER_RENDER_RENDERCOMMAND_H
43
44//
45// W A R N I N G
46// -------------
47//
48// This file is not part of the Qt API. It exists for the convenience
49// of other Qt classes. This header file may change from version to
50// version without notice, or even be removed.
51//
52// We mean it.
53//
54
55#include <qglobal.h>
56#include <Qt3DRender/private/shaderparameterpack_p.h>
57#include <Qt3DRender/private/handle_types_p.h>
58#include <Qt3DRender/qgeometryrenderer.h>
59#include <QOpenGLShaderProgram>
60#include <QOpenGLTexture>
61#include <QMatrix4x4>
62
63QT_BEGIN_NAMESPACE
64
65class QOpenGLVertexArrayObject;
66
67namespace Qt3DRender {
68
69namespace Render {
70
71class RenderStateSet;
72
73class Q_AUTOTEST_EXPORT RenderCommand
74{
75public:
76 RenderCommand();
77
78 HVao m_vao; // VAO used during the submission step to store all states and VBOs
79 HShader m_shader; // Shader for given pass and mesh
80 HMaterial m_material; // Purely used to ease sorting (minimize stage changes, binding changes ....)
81 ShaderParameterPack m_parameterPack; // Might need to be reworked so as to be able to destroy the
82 // Texture while submission is happening.
83 RenderStateSet *m_stateSet;
84
85 HGeometry m_geometry;
86 HGeometryRenderer m_geometryRenderer;
87
88 HBuffer m_indirectDrawBuffer; // Reference to indirect draw buffer (valid only m_drawIndirect == true)
89
90 // A QAttribute pack might be interesting
91 // This is a temporary fix in the meantime, to remove the hacked methods in Technique
92 QVector<int> m_attributes;
93
94 float m_depth;
95 int m_changeCost;
96 uint m_shaderDna;
97
98 enum CommandType {
99 Draw,
100 Compute
101 };
102
103 CommandType m_type;
104 int m_workGroups[3];
105
106 // Values filled for draw calls
107 GLsizei m_primitiveCount;
108 QGeometryRenderer::PrimitiveType m_primitiveType;
109 int m_restartIndexValue;
110 int m_firstInstance;
111 int m_firstVertex;
112 int m_verticesPerPatch;
113 int m_instanceCount;
114 int m_indexOffset;
115 uint m_indexAttributeByteOffset;
116 GLint m_indexAttributeDataType;
117 uint m_indirectAttributeByteOffset;
118 bool m_drawIndexed;
119 bool m_drawIndirect;
120 bool m_primitiveRestartEnabled;
121 bool m_isValid;
122};
123
124} // namespace Render
125
126} // namespace Qt3DRender
127
128QT_END_NAMESPACE
129
130#endif // QT3DRENDER_RENDER_RENDERCOMMAND_H
131