1 /*
2  * Copyright © 2013 Chris Forbes
3  * Copyright 2014 Intel Corporation
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  */
24 #include "piglit-util-gl.h"
25 
26 PIGLIT_GL_TEST_CONFIG_BEGIN
27 
28 	config.supports_gl_compat_version = 30;
29 
30 	config.window_visual = PIGLIT_GL_VISUAL_RGBA |
31 			       PIGLIT_GL_VISUAL_DOUBLE;
32 
33 	config.khr_no_error_support = PIGLIT_HAS_ERRORS;
34 
35 PIGLIT_GL_TEST_CONFIG_END
36 
37 /* Exercises GetTexParameter/TexParameter with multisample textures */
38 
39 /* In Section 8.11 Texture Queries, the OpenGL 4.5 core spec (30.10.2014)
40  * says:
41  *	"An INVALID_ENUM error is generated if the effective target is either
42  *	TEXTURE_2D_MULTISAMPLE or TEXTURE_2D_MULTISAMPLE_ARRAY, and pname is
43  *	any sampler state from table 23.18."
44  *
45  *	"An INVALID_OPERATION error is generated if the effective target is
46  *	either TEXTURE_2D_MULTISAMPLE or TEXTURE_2D_MULTISAMPLE_ARRAY, and
47  *	pname TEXTURE_BASE_LEVEL is set to a value other than zero."
48  *
49  * Likewise, Section 8.10 Texture Queries of the OpenGL ES 3.1 spec
50  * (29.10.2014) says:
51  *
52  *	"An INVALID_ENUM error is generated if target is
53  *	TEXTURE_2D_MULTISAMPLE, and pname is any sampler state from table
54  *	20.11."
55  *
56  *	"An INVALID_OPERATION error is generated if target is
57  *	TEXTURE_2D_MULTISAMPLE, and pname TEXTURE_BASE_LEVEL is set to a
58  *	value other than zero."
59  */
60 
61 struct subtest
62 {
63 	GLenum param;
64 	GLint initial_value;
65 	GLint value;
66 	GLenum expected_error;
67 	const char *label;          // if null, the enum name is used as the label
68 } subtests[] =
69 {
70 	/* readonly */
71 	{ GL_TEXTURE_IMMUTABLE_FORMAT, GL_FALSE, GL_TRUE, GL_INVALID_ENUM },
72 
73 	{ GL_TEXTURE_MAG_FILTER, GL_NEAREST, GL_LINEAR, GL_INVALID_ENUM },
74 	{ GL_TEXTURE_MIN_FILTER, GL_NEAREST, GL_LINEAR, GL_INVALID_ENUM },
75 	{ GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE, GL_REPEAT, GL_INVALID_ENUM },
76 	{ GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE, GL_REPEAT, GL_INVALID_ENUM },
77 	{ GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE, GL_REPEAT, GL_INVALID_ENUM },
78 	{ GL_TEXTURE_COMPARE_MODE, GL_NONE, GL_COMPARE_REF_TO_TEXTURE, GL_INVALID_ENUM },
79 	{ GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL, GL_ALWAYS, GL_INVALID_ENUM },
80 	{ GL_TEXTURE_MIN_LOD, -1000, 0, GL_INVALID_ENUM },
81 	{ GL_TEXTURE_MAX_LOD, 1000, 0, GL_INVALID_ENUM },
82 
83 	{ GL_TEXTURE_BASE_LEVEL, 0, 0, GL_NO_ERROR, "GL_TEXTURE_BASE_LEVEL zero" },
84 	{ GL_TEXTURE_BASE_LEVEL, 0, 1, GL_INVALID_OPERATION, "GL_TEXTURE_BASE_LEVEL nonzero" },
85 
86 	{ 0 } /* sentinel */
87 };
88 
89 enum piglit_result
check_subtest(struct subtest * t)90 check_subtest(struct subtest *t)
91 {
92 	GLint val;
93 	const char *test_name = t->label ? t->label : piglit_get_gl_enum_name(t->param);
94 	GLint expected_val;
95 
96 	glGetTexParameteriv(GL_TEXTURE_2D_MULTISAMPLE, t->param, &val);
97 
98 	if (!piglit_check_gl_error(GL_NO_ERROR)) {
99 		printf("GetTexParameteriv failed\n");
100 		piglit_report_subtest_result(PIGLIT_FAIL, "%s", test_name);
101 		return PIGLIT_FAIL;
102 	}
103 
104 	if (t->initial_value != val) {
105 		printf("parameter %s expected initially %d, got %d\n",
106 		       piglit_get_gl_enum_name(t->param),
107 		       t->initial_value,
108 		       val);
109 		piglit_report_subtest_result(PIGLIT_FAIL, "%s", test_name);
110 		return PIGLIT_FAIL;
111 	}
112 
113 	glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, t->param, t->value);
114 
115 	if (!piglit_check_gl_error(t->expected_error)) {
116 		printf("error setting parameter %s\n",
117 		       piglit_get_gl_enum_name(t->param));
118 		piglit_report_subtest_result(PIGLIT_FAIL, "%s", test_name);
119 		return PIGLIT_FAIL;
120 	}
121 
122 	/* verify that the new value stuck (or didnt, if we expected failure) */
123 	glGetTexParameteriv(GL_TEXTURE_2D_MULTISAMPLE, t->param, &val);
124 	expected_val = t->expected_error == GL_NO_ERROR ? t->value : t->initial_value;
125 
126 	if (expected_val != val) {
127 		printf("after setting parameter %s expected %d, got %d\n",
128 		       piglit_get_gl_enum_name(t->param),
129 		       expected_val,
130 		       val);
131 		piglit_report_subtest_result(PIGLIT_FAIL, "%s", test_name);
132 		return PIGLIT_FAIL;
133 	}
134 
135 	piglit_report_subtest_result(PIGLIT_PASS, "%s", test_name);
136 	return PIGLIT_PASS;
137 }
138 
139 void
piglit_init(int argc,char ** argv)140 piglit_init(int argc, char **argv)
141 {
142 	piglit_require_extension("GL_ARB_texture_storage_multisample");
143 }
144 
145 enum piglit_result
piglit_display(void)146 piglit_display(void)
147 {
148 	GLuint tex;
149 	struct subtest *t;
150 	enum piglit_result result = PIGLIT_PASS;
151 	enum piglit_result subtest_result;
152 	GLint num_samples;
153 
154 	/* Use the max number of samples for testing */
155 	glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &num_samples);
156 
157 	glGenTextures(1, &tex);
158 	glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, tex);
159 	glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
160 				num_samples, GL_RGBA, 64, 64, GL_TRUE);
161 
162 	for (t = subtests; t->param; t++) {
163 		subtest_result = check_subtest(t);
164 		if (subtest_result != PIGLIT_PASS)
165 			result = PIGLIT_FAIL;
166 	}
167 
168 	return result;
169 }
170 
171