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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 		FLAG_ALLOW_STD430_UBOS					= (1u<<3)	// allow block offsets to follow VK_EXT_uniform_buffer_standard_layout
48 	};
49 
50 	deUint32		vulkanVersion;
51 	SpirvVersion	targetVersion;
52 	deUint32		flags;
53 	bool			supports_VK_KHR_spirv_1_4;
54 
ShaderBuildOptionsvk::ShaderBuildOptions55 	ShaderBuildOptions (deUint32 vulkanVersion_, SpirvVersion targetVersion_, deUint32 flags_, bool allowSpirv14 = false)
56 		: vulkanVersion	(vulkanVersion_)
57 		, targetVersion	(targetVersion_)
58 		, flags			(flags_)
59 		, supports_VK_KHR_spirv_1_4(allowSpirv14)
60 	{}
61 
ShaderBuildOptionsvk::ShaderBuildOptions62 	ShaderBuildOptions (void)
63 		: vulkanVersion	(VK_MAKE_VERSION(1, 0, 0))
64 		, targetVersion	(SPIRV_VERSION_1_0)
65 		, flags			(0u)
66 		, supports_VK_KHR_spirv_1_4 (false)
67 	{}
68 
getSpirvValidatorOptionsvk::ShaderBuildOptions69 	SpirvValidatorOptions getSpirvValidatorOptions() const
70 	{
71 		SpirvValidatorOptions::BlockLayoutRules rules = SpirvValidatorOptions::kDefaultBlockLayout;
72 
73 		if (flags & FLAG_ALLOW_SCALAR_OFFSETS)
74 		{
75 			rules = SpirvValidatorOptions::kScalarBlockLayout;
76 		}
77 		else if (flags & FLAG_ALLOW_STD430_UBOS)
78 		{
79 			rules = SpirvValidatorOptions::kUniformStandardLayout;
80 		}
81 		else if (flags & FLAG_ALLOW_RELAXED_OFFSETS)
82 		{
83 			rules = SpirvValidatorOptions::kRelaxedBlockLayout;
84 		}
85 
86 		return SpirvValidatorOptions(vulkanVersion, rules, supports_VK_KHR_spirv_1_4);
87 	}
88 };
89 
90 enum ShaderLanguage
91 {
92 	SHADER_LANGUAGE_GLSL = 0,
93 	SHADER_LANGUAGE_HLSL,
94 
95 	SHADER_LANGUAGE_LAST
96 };
97 
98 struct GlslSource
99 {
100 	static const ShaderLanguage	shaderLanguage = SHADER_LANGUAGE_GLSL;
101 	std::vector<std::string>	sources[glu::SHADERTYPE_LAST];
102 	ShaderBuildOptions			buildOptions;
103 
104 	GlslSource&					operator<<		(const glu::ShaderSource& shaderSource);
105 	GlslSource&					operator<<		(const ShaderBuildOptions& buildOptions_);
106 };
107 
108 struct HlslSource
109 {
110 	static const ShaderLanguage	shaderLanguage = SHADER_LANGUAGE_HLSL;
111 	std::vector<std::string>	sources[glu::SHADERTYPE_LAST];
112 	ShaderBuildOptions			buildOptions;
113 
114 	HlslSource&					operator<<		(const glu::ShaderSource& shaderSource);
115 	HlslSource&					operator<<		(const ShaderBuildOptions& buildOptions_);
116 };
117 
118 tcu::TestLog&	operator<<		(tcu::TestLog& log, const GlslSource& shaderSource);
119 tcu::TestLog&	operator<<		(tcu::TestLog& log, const HlslSource& shaderSource);
120 
121 } // vk
122 
123 #endif // _VKSHADERPROGRAM_HPP
124