1/*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 2.0 Module
3 * -------------------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *      http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief GLES2 shader constant expression tests
22 *//*--------------------------------------------------------------------*/
23
24#include "es2fShaderConstExprTests.hpp"
25
26#include "glsShaderLibrary.hpp"
27#include "glsShaderConstExprTests.hpp"
28
29#include "tcuStringTemplate.hpp"
30
31#include "deStringUtil.hpp"
32#include "deMath.h"
33
34namespace deqp
35{
36namespace gles2
37{
38namespace Functional
39{
40
41// builtins
42class ShaderConstExprBuiltinTests : public TestCaseGroup
43{
44public:
45				ShaderConstExprBuiltinTests		(Context& context) : TestCaseGroup (context, "builtin_functions", "Builtin functions") {}
46	virtual		~ShaderConstExprBuiltinTests	(void) {}
47
48	void		init							(void);
49
50	void		addChildGroup					(const char* name, const char* desc, const gls::ShaderConstExpr::TestParams* cases, int numCases);
51};
52
53void ShaderConstExprBuiltinTests::addChildGroup (const char* name, const char* desc, const gls::ShaderConstExpr::TestParams* cases, int numCases)
54{
55	const std::vector<tcu::TestNode*>	children = createTests(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(), cases, numCases, glu::GLSL_VERSION_100_ES);
56	tcu::TestCaseGroup*					group	 = new tcu::TestCaseGroup(m_testCtx, name, desc);
57
58	addChild(group);
59
60	for (int i = 0; i < (int)children.size(); i++)
61		group->addChild(children[i]);
62}
63
64void ShaderConstExprBuiltinTests::init (void)
65{
66	using namespace gls::ShaderConstExpr;
67
68	// ${T} => final type, ${MT} => final type but with scalar version usable even when T is a vector
69
70	// Trigonometry
71	{
72		const TestParams cases[] =
73		{
74			{"radians",			"radians(${T} (90.0))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatRadians(90.0f)		},
75			{"degrees",			"degrees(${T} (2.0))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatDegrees(2.0f)		},
76			{"sin",				"sin(${T} (3.0))",										glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatSin(3.0f)			},
77			{"cos",				"cos(${T} (3.2))",										glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatCos(3.2f)			},
78			{"tan",				"tan(${T} (1.5))",										glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatTan(1.5f)			},
79			{"asin",			"asin(${T} (0.0))",										glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatAsin(0.0f)			},
80			{"acos",			"acos(${T} (1.0))",										glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatAcos(1.0f)			},
81			{"atan_separate",	"atan(${T} (-1.0), ${T} (-1.0))",						glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatAtan2(-1.0f, -1.0f)	},
82			{"atan_combined",	"atan(${T} (2.0))",										glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatAtanOver(2.0f)		},
83		};
84
85		addChildGroup("trigonometry", "Trigonometry", cases, DE_LENGTH_OF_ARRAY(cases));
86	}
87	// Exponential
88	{
89		const TestParams cases[] =
90		{
91			{"pow",				"pow(${T} (1.7), ${T} (3.5))",							glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatPow(1.7f, 3.5f)		},
92			{"exp",				"exp(${T} (4.2))",										glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatExp(4.2f)			},
93			{"log",				"log(${T} (42.12))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatLog(42.12f)			},
94			{"exp2",			"exp2(${T} (6.7))",										glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatExp2(6.7f)			},
95			{"log2",			"log2(${T} (100.0))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatLog2(100.0f)			},
96			{"sqrt",			"sqrt(${T} (10.0))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatSqrt(10.0f)			},
97			{"inversesqrt",		"inversesqrt(${T} (10.0))",								glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatRsq(10.0f)			},
98		};
99
100		addChildGroup("exponential", "Exponential", cases, DE_LENGTH_OF_ARRAY(cases));
101	}
102	// Common
103	{
104		const TestParams cases[] =
105		{
106			{"abs",				"abs(${T} (-42.0))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, 42.0f						},
107			{"sign",			"sign(${T} (-18.0))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, -1.0f						},
108			{"floor",			"floor(${T} (37.3))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatFloor(37.3f)			},
109			{"ceil",			"ceil(${T} (82.2))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatCeil(82.2f)			},
110			{"fract",			"fract(${T} (17.75))",									glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatFrac(17.75f)			},
111			{"mod",				"mod(${T} (87.65), ${MT} (3.7))",						glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, deFloatMod(87.65f, 3.7f)	},
112			{"min",				"min(${T} (12.3), ${MT} (32.1))",						glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, 12.3f						},
113			{"max",				"max(${T} (12.3), ${MT} (32.1))",						glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, 32.1f						},
114			{"clamp",			"clamp(${T} (42.1),	${MT} (10.0), ${MT} (15.0))",		glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, 15.0f						},
115			{"mix",				"mix(${T} (10.0), ${T} (20.0), ${MT}(0.75))",			glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, 17.5f						},
116			{"step",			"step(${MT} (3.2), ${T} (4.2))",						glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, 1.0f						},
117			{"smoothstep",		"smoothstep(${MT} (3.0), ${MT} (5.0), ${T} (4.0))",		glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, 0.5f						},
118		};
119
120		addChildGroup("common", "Common", cases, DE_LENGTH_OF_ARRAY(cases));
121	}
122	// Geometric
123	{
124		const TestParams cases[] =
125		{
126			{"length_float",	"length(1.0)",											glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 1.0f						},
127			{"length_vec2",		"length(vec2(1.0))",									glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatSqrt(2.0f)			},
128			{"length_vec3",		"length(vec3(1.0))",									glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatSqrt(3.0f)			},
129			{"length_vec4",		"length(vec4(1.0))",									glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatSqrt(4.0f)			},
130
131			{"distance_float",	"distance(1.0, 2.0)",									glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 1.0f						},
132			{"distance_vec2",	"distance(vec2(1.0), vec2(2.0))",						glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatSqrt(2.0f)			},
133			{"distance_vec3",	"distance(vec3(1.0), vec3(2.0))",						glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatSqrt(3.0f)			},
134			{"distance_vec4",	"distance(vec4(1.0), vec4(2.0))",						glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatSqrt(4.0f)			},
135
136			{"dot_float",		"dot(1.0, 1.0)",										glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 1.0f						},
137			{"dot_vec2",		"dot(vec2(1.0), vec2(1.0))",							glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 2.0f						},
138			{"dot_vec3",		"dot(vec3(1.0), vec3(1.0))",							glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 3.0f						},
139			{"dot_vec4",		"dot(vec4(1.0), vec4(1.0))",							glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 4.0f						},
140
141			{"normalize_float",	"normalize(1.0)",										glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 1.0f						},
142			{"normalize_vec2",	"normalize(vec2(1.0)).x",								glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatRsq(2.0f)			},
143			{"normalize_vec3",	"normalize(vec3(1.0)).x",								glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatRsq(3.0f)			},
144			{"normalize_vec4",	"normalize(vec4(1.0)).x",								glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, deFloatRsq(4.0f)			},
145
146			{"faceforward",		"faceforward(${T} (1.0), ${T} (1.0), ${T} (1.0))",		glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, -1.0f						},
147
148			// reflect(I, N) => I - 2*dot(N, I)*N
149			{"reflect_float",	"reflect(1.0, 1.0)",									glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, -1.0f						},
150			{"reflect_vec2",	"reflect(vec2(1.0), vec2(1.0, 0.0)).x",					glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, -1.0f						},
151			{"reflect_vec3",	"reflect(vec3(1.0), vec3(1.0, 0.0, 0.0)).x",			glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, -1.0f						},
152			{"reflect_vec4",	"reflect(vec4(1.0), vec4(1.0, 0.0, 0.0, 0.0)).x",		glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, -1.0f						},
153
154			/*
155			genType refract(genType I, genType N, float eta) =>
156				k = 1.0 - (eta^2)*(1.0-dot(N,I)^2)
157				if k < 0 return 0.0
158				else return eta*I - (eta*dot(N,I) + sqrt(k))*N
159			*/
160			{"refract_float",	"refract(1.0, 1.0, 0.5)",								glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, -1.0f						},
161			{"refract_vec2",	"refract(vec2(1.0), vec2(1.0, 0.0), 0.5).x",			glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, -1.0f						},
162			{"refract_vec3",	"refract(vec3(1.0), vec3(1.0, 0.0, 0.0), 0.5).x",		glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, -1.0f						},
163			{"refract_vec4",	"refract(vec4(1.0), vec4(1.0, 0.0, 0.0, 0.0), 0.5).x",	glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, -1.0f						},
164		};
165
166		addChildGroup("geometric", "Geometric", cases, DE_LENGTH_OF_ARRAY(cases));
167	}
168	// Matrix
169	{
170		const TestParams cases[] =
171		{
172			{"compMult_mat2",	"matrixCompMult(mat2(1.0), mat2(1.0))[0][0]",			glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 1.0f						},
173			{"compMult_mat3",	"matrixCompMult(mat3(1.0), mat3(1.0))[0][0]",			glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 1.0f						},
174			{"compMult_mat4",	"matrixCompMult(mat4(1.0), mat4(1.0))[0][0]",			glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, 1.0f						},
175		};
176
177		addChildGroup("matrix", "Matrix", cases, DE_LENGTH_OF_ARRAY(cases));
178	}
179	// Vector relational
180	{
181		const TestParams cases[] =
182		{
183			{"lessThan",		"lessThan(${T} (1.0), ${T} (2.0))",						glu::TYPE_FLOAT, 2, 4, glu::TYPE_BOOL,  1.0f						},
184			{"lessThan",		"lessThan(${T} (1), ${T} (2))",							glu::TYPE_INT,   2, 4, glu::TYPE_BOOL,  1.0f						},
185			{"lessThanEqual",	"lessThanEqual(${T} (1.0), ${T} (1.0))",				glu::TYPE_FLOAT, 2, 4, glu::TYPE_BOOL,  1.0f						},
186			{"lessThanEqual",	"lessThanEqual(${T} (1), ${T} (1))",					glu::TYPE_INT,   2, 4, glu::TYPE_BOOL,  1.0f						},
187			{"greaterThan",		"greaterThan(${T} (1.0), ${T} (2.0))",					glu::TYPE_FLOAT, 2, 4, glu::TYPE_BOOL,  0.0f						},
188			{"greaterThan",		"greaterThan(${T} (1), ${T} (2))",						glu::TYPE_INT,   2, 4, glu::TYPE_BOOL,  0.0f						},
189			{"greaterThanEqual","greaterThanEqual(${T} (1.0), ${T} (2.0))",				glu::TYPE_FLOAT, 2, 4, glu::TYPE_BOOL,  0.0f						},
190			{"greaterThanEqual","greaterThanEqual(${T} (1), ${T} (2))",					glu::TYPE_INT,   2, 4, glu::TYPE_BOOL,  0.0f						},
191			{"equal",			"equal(${T} (1.0), ${T} (1.2))",						glu::TYPE_FLOAT, 2, 4, glu::TYPE_BOOL,  0.0f						},
192			{"equal",			"equal(${T} (1), ${T} (2))",							glu::TYPE_INT,   2, 4, glu::TYPE_BOOL,  0.0f						},
193			{"equal",			"equal(${T} (true), ${T} (false))",						glu::TYPE_BOOL,  2, 4, glu::TYPE_BOOL,  0.0f						},
194			{"notEqual",		"notEqual(${T} (1.0), ${T} (1.2))",						glu::TYPE_FLOAT, 2, 4, glu::TYPE_BOOL,  1.0f						},
195			{"notEqual",		"notEqual(${T} (1), ${T} (2))",							glu::TYPE_INT,   2, 4, glu::TYPE_BOOL,  1.0f						},
196			{"notEqual",		"notEqual(${T} (true), ${T} (false))",					glu::TYPE_BOOL,  2, 4, glu::TYPE_BOOL,  1.0f						},
197			{"any_bvec2",		"any(bvec2(true, false))",								glu::TYPE_BOOL,  1, 1, glu::TYPE_BOOL,  1.0f						},
198			{"any_bvec3",		"any(bvec3(true, false, false))",						glu::TYPE_BOOL,  1, 1, glu::TYPE_BOOL,  1.0f						},
199			{"any_bvec4",		"any(bvec4(true, false, false, false))",				glu::TYPE_BOOL,  1, 1, glu::TYPE_BOOL,  1.0f						},
200			{"all_bvec2",		"all(bvec2(true, false))",								glu::TYPE_BOOL,  1, 1, glu::TYPE_BOOL,  0.0f						},
201			{"all_bvec3",		"all(bvec3(true, false, false))",						glu::TYPE_BOOL,  1, 1, glu::TYPE_BOOL,  0.0f						},
202			{"all_bvec4",		"all(bvec4(true, false, false, false))",				glu::TYPE_BOOL,  1, 1, glu::TYPE_BOOL,  0.0f						},
203			{"not",				"not(${T} (false))",									glu::TYPE_BOOL,  2, 4, glu::TYPE_BOOL,  1.0f						}
204		};
205
206		addChildGroup("vector_relational", "Vector relational", cases, DE_LENGTH_OF_ARRAY(cases));
207	}
208}
209
210ShaderConstExprTests::ShaderConstExprTests (Context& context)
211	: TestCaseGroup	(context, "constant_expressions", "Constant expressions")
212{
213}
214
215ShaderConstExprTests::~ShaderConstExprTests (void)
216{
217}
218
219// all
220void ShaderConstExprTests::init (void)
221{
222	const std::vector<tcu::TestNode*> children = gls::ShaderLibrary(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo()).loadShaderFile("shaders/constant_expressions.test");
223
224	for (int i = 0; i < (int)children.size(); i++)
225		addChild(children[i]);
226
227	addChild(new ShaderConstExprBuiltinTests(m_context));
228}
229
230} // Functional
231} // gles2
232} // deqp
233