1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
// Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
// Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QT3DRENDER_RENDER_RHI_RENDERCOMMAND_H
#define QT3DRENDER_RENDER_RHI_RENDERCOMMAND_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <qglobal.h>
#include <shaderparameterpack_p.h>
#include <rhihandle_types_p.h>
#include <Qt3DCore/private/vector_helper_p.h>
#include <Qt3DRender/private/renderviewjobutils_p.h>
#include <Qt3DRender/private/handle_types_p.h>
#include <Qt3DRender/qgeometryrenderer.h>
#include <QOpenGLShaderProgram>
#include <QOpenGLTexture>
#include <QMatrix4x4>
#include <QtGui/private/qrhi_p.h>
#include <Qt3DCore/qattribute.h>
#include <variant>
QT_BEGIN_NAMESPACE
class QRhiGraphicsPipeline;
class QRhiShaderResourceBindings;
namespace Qt3DRender {
namespace Render {
class RenderStateSet;
using RenderStateSetPtr = QSharedPointer<RenderStateSet>;
namespace Rhi {
class RHIShader;
class RHIGraphicsPipeline;
class RHIComputePipeline;
struct CommandUBO
{
float modelMatrix[16];
float inverseModelMatrix[16];
float modelViewMatrix[16];
float modelNormalMatrix[12];
float inverseModelViewMatrix[16];
float mvp[16];
float inverseModelViewProjectionMatrix[16];
float modelViewNormalMatrix[12];
};
static_assert(sizeof(CommandUBO) == 6 * (16 * sizeof(float)) + 2 * (12 * sizeof(float)),
"UBO doesn't match std140");
struct Q_AUTOTEST_EXPORT AttributeInfo
{
int nameId = -1;
QRhiVertexInputBinding::Classification classification = QRhiVertexInputBinding::PerVertex;
size_t stride = 0;
size_t offset = 0;
size_t divisor = 0;
};
Q_AUTOTEST_EXPORT bool operator==(const AttributeInfo &a, const AttributeInfo &b);
Q_AUTOTEST_EXPORT bool operator!=(const AttributeInfo &a, const AttributeInfo &b);
class Q_AUTOTEST_EXPORT RenderCommand
{
public:
RenderCommand();
~RenderCommand();
bool isValid() const noexcept;
HMaterial m_material; // Purely used to ease sorting (minimize stage changes, binding changes
// ....)
RHIShader *m_rhiShader; // Shader to be used at render time
Qt3DCore::QNodeId m_shaderId; // Shader for given pass and mesh
ShaderParameterPack m_parameterPack; // Might need to be reworked so as to be able to destroy
// the Texture while submission is happening.
RenderStateSetPtr m_stateSet;
HGeometry m_geometry;
HGeometryRenderer m_geometryRenderer;
HBuffer m_indirectDrawBuffer; // Reference to indirect draw buffer (valid only m_drawIndirect ==
// true)
HComputeCommand m_computeCommand;
// A QAttribute pack might be interesting
// This is a temporary fix in the meantime, to remove the hacked methods in Technique
std::vector<int> m_activeAttributes;
float m_depth;
int m_changeCost;
enum CommandType { Draw, Compute };
CommandType m_type;
int m_workGroups[3];
// Values filled for draw calls by Renderer (in prepare Submission)
GLsizei m_primitiveCount;
QGeometryRenderer::PrimitiveType m_primitiveType;
int m_restartIndexValue;
int m_firstInstance;
int m_firstVertex;
int m_verticesPerPatch;
int m_instanceCount;
int m_indexOffset;
uint m_indexAttributeByteOffset;
Qt3DCore::QAttribute::VertexBaseType m_indexAttributeDataType;
uint m_indirectAttributeByteOffset;
bool m_drawIndexed;
bool m_drawIndirect;
bool m_primitiveRestartEnabled;
bool m_isValid;
std::vector<AttributeInfo> m_attributeInfo;
QVarLengthArray<QRhiCommandBuffer::VertexInput, 8> vertex_input;
const Attribute *indexAttribute {};
QRhiBuffer *indexBuffer {};
CommandUBO m_commandUBO;
QRhiShaderResourceBindings *shaderResourceBindings = nullptr;
std::vector<QRhiShaderResourceBinding> resourcesBindings;
struct Pipeline : std::variant<std::monostate, RHIGraphicsPipeline *, RHIComputePipeline*>
{
using variant::variant;
bool isValid() const noexcept;
RHIGraphicsPipeline* graphics() const noexcept
{
auto ptr = std::get_if<RHIGraphicsPipeline*>(this);
return ptr ? *ptr : nullptr;
}
RHIComputePipeline* compute() const noexcept
{
auto ptr = std::get_if<RHIComputePipeline*>(this);
return ptr ? *ptr : nullptr;
}
template<typename F>
auto visit(F&& f) const
{
return std::visit(f, (const variant&) *this);
}
};
Pipeline pipeline {};
};
Q_AUTOTEST_EXPORT bool operator==(const RenderCommand &a, const RenderCommand &b) noexcept;
inline bool operator!=(const RenderCommand &lhs, const RenderCommand &rhs) noexcept
{
return !operator==(lhs, rhs);
}
} // namespace Rhi
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_RHI_RENDERCOMMAND_H
|
