summaryrefslogtreecommitdiffstats
path: root/src/plugins/renderers/rhi/renderer/rhigraphicspipeline_p.h
blob: ff619c56d525b20b2ac7def9d4df569af8cb03d5 (plain)
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
/****************************************************************************
**
** Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QT3DRENDER_RENDER_RHI_RHIGRAPHICSPIPELINE_H
#define QT3DRENDER_RENDER_RHI_RHIGRAPHICSPIPELINE_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 <private/qrhi_p.h>
#include <rhihandle_types_p.h>
#include <pipelineuboset_p.h>
#include <Qt3DCore/qnodeid.h>
#include <Qt3DRender/private/handle_types_p.h>
#include <Qt3DRender/qgeometryrenderer.h>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

namespace Render {

namespace Rhi {

class RHIBuffer;

// Geometry | Shader | RenderStateMask
struct GraphicsPipelineIdentifier
{
    int geometryLayoutKey;
    Qt3DCore::QNodeId shader;
    Qt3DCore::QNodeId renderTarget;
    Qt3DRender::QGeometryRenderer::PrimitiveType primitiveType;
    int renderStatesKey = 0;
};

struct ComputePipelineIdentifier
{
    Qt3DCore::QNodeId shader;
    int renderViewIndex;
};

template<typename Pipeline, typename Key>
class RHIPipelineBase
{
public:
    virtual ~RHIPipelineBase() {}

    PipelineUBOSet* uboSet() { return &m_uboSet; }

    Pipeline *pipeline() const { return m_pipeline; }
    void setPipeline(Pipeline *pipeline) { m_pipeline = pipeline; }

    void setKey(const Key &key) { m_key = key; }
    Key key() const { return m_key; }

    void setShaderResourceBindings(QRhiShaderResourceBindings *shaderResourceBindings) { m_shaderResourceBindings = shaderResourceBindings; }
    QRhiShaderResourceBindings *shaderResourceBindings() const { return m_shaderResourceBindings; }

    int score() const { return m_score; }
    void increaseScore() { m_score += 2; }
    void decreaseScore() { --m_score; }

    bool isComplete() { return m_complete; }
    void markComplete() { m_complete = true; }

    virtual void cleanup()
    {
        delete m_shaderResourceBindings;
        delete m_pipeline;
        m_pipeline = nullptr;
        m_shaderResourceBindings = nullptr;
        m_uboSet.releaseResources();
        m_uboSet.clear();
        m_key = {};
        m_score = 5;
    }

protected:
    RHIPipelineBase() {}

    Pipeline *m_pipeline = nullptr;
    QRhiShaderResourceBindings *m_shaderResourceBindings = nullptr;
    // For user defined uniforms
    PipelineUBOSet m_uboSet;
    Key m_key = {};
    int m_score = 5;
    int m_complete = false;
};

class RHIGraphicsPipeline : public RHIPipelineBase<QRhiGraphicsPipeline, GraphicsPipelineIdentifier>
{
public:
    void setAttributesToBindingHash(const QHash<int, int> &attributeNameToBinding)
    {
        m_attributeNameIdToBindingIndex = attributeNameToBinding;
    }

    int bindingIndexForAttribute(int attributeNameId) const
    {
        return m_attributeNameIdToBindingIndex.value(attributeNameId, -1);
    }

    virtual void cleanup() override
    {
        RHIPipelineBase<QRhiGraphicsPipeline, GraphicsPipelineIdentifier>::cleanup();
        m_attributeNameIdToBindingIndex.clear();
    }

private:
    // For user defined uniforms
    QHash<int, int> m_attributeNameIdToBindingIndex;
};

class RHIComputePipeline : public RHIPipelineBase<QRhiComputePipeline, ComputePipelineIdentifier>
{
};

} // Rhi

} // Render

} // Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_RHI_RHIGRAPHICSPIPELINE_H