xref: /aosp_15_r20/external/deqp/framework/randomshaders/rsgProgramExecutor.hpp (revision 35238bce31c2a825756842865a792f8cf7f89930)
1 #ifndef _RSGPROGRAMEXECUTOR_HPP
2 #define _RSGPROGRAMEXECUTOR_HPP
3 /*-------------------------------------------------------------------------
4  * drawElements Quality Program Random Shader Generator
5  * ----------------------------------------------------
6  *
7  * Copyright 2014 The Android Open Source Project
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  *
21  *//*!
22  * \file
23  * \brief Program Executor.
24  *//*--------------------------------------------------------------------*/
25 
26 #include "rsgDefs.hpp"
27 #include "rsgShader.hpp"
28 #include "rsgVariableValue.hpp"
29 #include "tcuTexture.hpp"
30 #include "rsgSamplers.hpp"
31 
32 #include <vector>
33 
34 namespace tcu
35 {
36 class Surface;
37 }
38 
39 namespace rsg
40 {
41 
42 class ProgramExecutor
43 {
44 public:
45     ProgramExecutor(const tcu::PixelBufferAccess &dst, int gridWidth, int gridHeight);
46     ~ProgramExecutor(void);
47 
48     void setTexture(int samplerNdx, const tcu::Texture2D *texture, const tcu::Sampler &sampler);
49     void setTexture(int samplerNdx, const tcu::TextureCube *texture, const tcu::Sampler &sampler);
50 
51     void execute(const Shader &vertexShader, const Shader &fragmentShader, const std::vector<VariableValue> &uniforms);
52 
53 private:
54     tcu::PixelBufferAccess m_dst;
55     int m_gridWidth;
56     int m_gridHeight;
57 
58     Sampler2DMap m_samplers2D;
59     SamplerCubeMap m_samplersCube;
60 };
61 
getVertexInterpolationCoords(float & xd,float & yd,float x,float y,int inputElementNdx)62 inline void getVertexInterpolationCoords(float &xd, float &yd, float x, float y, int inputElementNdx)
63 {
64     if (inputElementNdx % 4 < 2)
65         xd = x;
66     else
67         xd = 1.0f - x;
68 
69     if (inputElementNdx % 2 == 0)
70         yd = y;
71     else
72         yd = 1.0f - y;
73 }
74 
75 } // namespace rsg
76 
77 #endif // _RSGPROGRAMEXECUTOR_HPP
78