1 #ifndef _ESEXTCFRAGMENTSHADINGRATEATTACHMENTTESTS_HPP
2 #define _ESEXTCFRAGMENTSHADINGRATEATTACHMENTTESTS_HPP
3 /*-------------------------------------------------------------------------
4  * OpenGL Conformance Test Suite
5  * -----------------------------
6  *
7  * Copyright (c) 2022-2022 The Khronos Group Inc.
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 
23 /*!
24  * \file
25  * \brief
26  */ /*-------------------------------------------------------------------*/
27 
28 /*!
29  * \file  esextcesextcFragmentShadingRateAttachment.hpp
30  * \brief FragmentShadingRateEXT attachment related tests
31  */ /*-------------------------------------------------------------------*/
32 
33 #include "../esextcTestCaseBase.hpp"
34 #include "gluShaderUtil.hpp"
35 #include "tcuDefs.hpp"
36 
37 #include <vector>
38 
39 namespace glu
40 {
41 class ShaderProgram;
42 }
43 
44 namespace glcts
45 {
46 class FragmentShadingRateAttachment : public TestCaseBase
47 {
48 public:
49     enum class TestKind
50     {
51         Scissor   = 0,
52         MultiView = 1,
53         Count,
54     };
55 
56     struct TestcaseParam
57     {
58         TestKind testKind;
59         bool attachmentShadingRate;
60         bool multiShadingRate;
61         uint32_t framebufferSize;
62         uint32_t layerCount;
63     };
64 
65     struct Box
66     {
inglcts::FragmentShadingRateAttachment::Box67         bool in(uint32_t xIn, uint32_t yIn)
68         {
69             return (xIn >= x && xIn < (x + width) && yIn >= y && yIn < (y + height));
70         }
71         uint32_t x;
72         uint32_t y;
73         uint32_t width;
74         uint32_t height;
75     };
76 
77 public:
78     FragmentShadingRateAttachment(Context &context, const ExtParameters &extParams, const TestcaseParam &testcaseParam,
79                                   const char *name, const char *description);
80 
~FragmentShadingRateAttachment()81     ~FragmentShadingRateAttachment() override
82     {
83     }
84 
85     void init(void) override;
86     void deinit(void) override;
87     IterateResult iterate(void) override;
88 
89 private:
90     std::string genVS() const;
91     std::string genFS() const;
92     glw::GLenum translateCoordsToShadingRate(uint32_t srLayer, uint32_t srx, uint32_t sry) const;
93     glw::GLenum translateDrawIDToShadingRate(uint32_t drawID) const;
94     uint32_t drawIDToViewID(uint32_t drawID) const;
95 
96     void setupTest(void);
97 
98 private:
99     TestcaseParam m_tcParam;
100     glu::ShaderProgram *m_program;
101     glw::GLuint m_to_id;
102     glw::GLuint m_sr_to_id;
103     glw::GLuint m_fbo_id;
104     glw::GLuint m_vbo_id;
105     Box m_scissorBox;
106     std::vector<glw::GLenum> m_availableShadingRates;
107     glw::GLint m_srTexelWidth;
108     glw::GLint m_srTexelHeight;
109 };
110 
111 } // namespace glcts
112 
113 #endif // _ESEXTCFRAGMENTSHADINGRATEATTACHMENTTESTS_HPP
114