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1 #ifndef _VKSHADERPROGRAM_HPP
2 #define _VKSHADERPROGRAM_HPP
3 /*-------------------------------------------------------------------------
4  * Vulkan CTS Framework
5  * --------------------
6  *
7  * Copyright (c) 2017 Google 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  * \file
23  * \brief Shader (GLSL/HLSL) source program.
24  *//*--------------------------------------------------------------------*/
25 
26 #include "vkDefs.hpp"
27 #include "gluShaderProgram.hpp"
28 #include "vkValidatorOptions.hpp"
29 
30 #include <string>
31 
32 namespace tcu
33 {
34 class TestLog;
35 } // tcu
36 
37 namespace vk
38 {
39 
40 struct ShaderBuildOptions
41 {
42 	enum Flags
43 	{
44 		FLAG_USE_STORAGE_BUFFER_STORAGE_CLASS	= (1u<<0),
45 		FLAG_ALLOW_RELAXED_OFFSETS				= (1u<<1),	// allow block offsets to follow VK_KHR_relaxed_block_layout
46 		FLAG_ALLOW_SCALAR_OFFSETS				= (1u<<2)	// allow block offsets to follow VK_EXT_scalar_block_layout
47 	};
48 
49 	deUint32		vulkanVersion;
50 	SpirvVersion	targetVersion;
51 	deUint32		flags;
52 
ShaderBuildOptionsvk::ShaderBuildOptions53 	ShaderBuildOptions (deUint32 vulkanVersion_, SpirvVersion targetVersion_, deUint32 flags_)
54 		: vulkanVersion	(vulkanVersion_)
55 		, targetVersion	(targetVersion_)
56 		, flags			(flags_)
57 	{}
58 
ShaderBuildOptionsvk::ShaderBuildOptions59 	ShaderBuildOptions (void)
60 		: vulkanVersion	(VK_MAKE_VERSION(1, 0, 0))
61 		, targetVersion	(SPIRV_VERSION_1_0)
62 		, flags			(0u)
63 	{}
64 
getSpirvValidatorOptionsvk::ShaderBuildOptions65 	SpirvValidatorOptions getSpirvValidatorOptions() const
66 	{
67 		SpirvValidatorOptions::BlockLayoutRules rules = SpirvValidatorOptions::kDefaultBlockLayout;
68 
69 		if (flags & FLAG_ALLOW_SCALAR_OFFSETS)
70 		{
71 			rules = SpirvValidatorOptions::kScalarBlockLayout;
72 		}
73 		else if (flags & FLAG_ALLOW_RELAXED_OFFSETS)
74 		{
75 			rules = SpirvValidatorOptions::kRelaxedBlockLayout;
76 		}
77 
78 		return SpirvValidatorOptions(vulkanVersion, rules);
79 	}
80 };
81 
82 enum ShaderLanguage
83 {
84 	SHADER_LANGUAGE_GLSL = 0,
85 	SHADER_LANGUAGE_HLSL,
86 
87 	SHADER_LANGUAGE_LAST
88 };
89 
90 struct GlslSource
91 {
92 	static const ShaderLanguage	shaderLanguage = SHADER_LANGUAGE_GLSL;
93 	std::vector<std::string>	sources[glu::SHADERTYPE_LAST];
94 	ShaderBuildOptions			buildOptions;
95 
96 	GlslSource&					operator<<		(const glu::ShaderSource& shaderSource);
97 	GlslSource&					operator<<		(const ShaderBuildOptions& buildOptions_);
98 };
99 
100 struct HlslSource
101 {
102 	static const ShaderLanguage	shaderLanguage = SHADER_LANGUAGE_HLSL;
103 	std::vector<std::string>	sources[glu::SHADERTYPE_LAST];
104 	ShaderBuildOptions			buildOptions;
105 
106 	HlslSource&					operator<<		(const glu::ShaderSource& shaderSource);
107 	HlslSource&					operator<<		(const ShaderBuildOptions& buildOptions_);
108 };
109 
110 tcu::TestLog&	operator<<		(tcu::TestLog& log, const GlslSource& shaderSource);
111 tcu::TestLog&	operator<<		(tcu::TestLog& log, const HlslSource& shaderSource);
112 
113 } // vk
114 
115 #endif // _VKSHADERPROGRAM_HPP
116