1 #ifndef _RSGPARAMETERS_HPP
2 #define _RSGPARAMETERS_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 Shader generator parameters.
24  *//*--------------------------------------------------------------------*/
25 
26 #include "rsgDefs.hpp"
27 
28 #include <set>
29 #include <string>
30 #include <vector>
31 
32 namespace rsg
33 {
34 
35 enum
36 {
37 	NUM_RESERVED_SHADER_INPUTS = 1 // Taken by dEQP_Position
38 };
39 
40 enum Version
41 {
42 	VERSION_100,		//!< GLSL ES 1.0
43 	VERSION_300,		//!< GLSL ES 3.0
44 
45 	VERSION_LAST
46 };
47 
48 class ShaderParameters
49 {
50 public:
ShaderParameters(void)51 	ShaderParameters (void)
52 		: randomize						(false)
53 		, maxStatementDepth				(2)
54 		, maxStatementsPerBlock			(10)
55 		, maxExpressionDepth			(5)
56 		, maxCombinedVariableScalars	(32)
57 		, maxUniformScalars				(512)
58 		, maxInputVariables				(8)
59 		, texLookupBaseWeight			(0.0f)
60 		, maxSamplers					(8)
61 		, useTexture2D					(false)
62 		, useTextureCube				(false)
63 	{
64 	}
65 
66 	bool					randomize;					//!< If not enabled, only simple passthrough will be generated
67 	int						maxStatementDepth;
68 	int						maxStatementsPerBlock;
69 	int						maxExpressionDepth;
70 	int						maxCombinedVariableScalars;
71 	int						maxUniformScalars;
72 	int						maxInputVariables;
73 
74 	float					texLookupBaseWeight;
75 	int						maxSamplers;
76 	bool					useTexture2D;
77 	bool					useTextureCube;
78 };
79 
80 class ProgramParameters
81 {
82 public:
ProgramParameters(void)83 	ProgramParameters (void)
84 		: seed								(0)
85 		, version							(VERSION_100)
86 		, declarationStatementBaseWeight	(1.0f)
87 		, useScalarConversions				(false)
88 		, useSwizzle						(false)
89 		, useComparisonOps					(false)
90 		, useConditionals					(false)
91 		, trigonometricBaseWeight			(0.0f)
92 		, exponentialBaseWeight				(0.0f)
93 	{
94 	}
95 
96 	deUint32				seed;
97 	Version					version;
98 	ShaderParameters		vertexParameters;
99 	ShaderParameters		fragmentParameters;
100 
101 	bool					declarationStatementBaseWeight;
102 	bool					useScalarConversions;
103 	bool					useSwizzle;
104 	bool					useComparisonOps;
105 	bool					useConditionals;
106 
107 	float					trigonometricBaseWeight;
108 	float					exponentialBaseWeight;
109 };
110 
111 } // rsg
112 
113 #endif // _RSGPARAMETERS_HPP
114