1 /*
2 * Copyright © 2015 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 /**
25 * \name mesa_formats.cpp
26 *
27 * Verify that all mesa formats are handled in certain functions and that
28 * the format info table is sane.
29 *
30 */
31
32 #include <gtest/gtest.h>
33
34 #include "main/formats.h"
35 #include "main/glformats.h"
36
37 /**
38 * Debug/test: check that all uncompressed formats are handled in the
39 * _mesa_uncompressed_format_to_type_and_comps() function. When new pixel
40 * formats are added to Mesa, that function needs to be updated.
41 */
TEST(MesaFormatsTest,FormatTypeAndComps)42 TEST(MesaFormatsTest, FormatTypeAndComps)
43 {
44 for (int fi = MESA_FORMAT_NONE + 1; fi < MESA_FORMAT_COUNT; ++fi) {
45 mesa_format f = (mesa_format) fi;
46 SCOPED_TRACE(_mesa_get_format_name(f));
47
48 if (!_mesa_get_format_name(f))
49 continue;
50
51 /* This function will emit a problem/warning if the format is
52 * not handled.
53 */
54 if (!_mesa_is_format_compressed(f)) {
55 GLenum datatype = 0;
56 GLuint comps = 0;
57
58 /* If the datatype is zero, the format was not handled */
59 _mesa_uncompressed_format_to_type_and_comps(f, &datatype, &comps);
60 EXPECT_NE(datatype, (GLenum)0);
61 }
62
63 }
64 }
65
66 /**
67 * Do sanity checking of the format info table.
68 */
TEST(MesaFormatsTest,FormatSanity)69 TEST(MesaFormatsTest, FormatSanity)
70 {
71 for (int fi = 0; fi < MESA_FORMAT_COUNT; ++fi) {
72 mesa_format f = (mesa_format) fi;
73 SCOPED_TRACE(_mesa_get_format_name(f));
74 if (!_mesa_get_format_name(f))
75 continue;
76
77 GLenum datatype = _mesa_get_format_datatype(f);
78 GLint r = _mesa_get_format_bits(f, GL_RED_BITS);
79 GLint g = _mesa_get_format_bits(f, GL_GREEN_BITS);
80 GLint b = _mesa_get_format_bits(f, GL_BLUE_BITS);
81 GLint a = _mesa_get_format_bits(f, GL_ALPHA_BITS);
82 GLint l = _mesa_get_format_bits(f, GL_TEXTURE_LUMINANCE_SIZE);
83 GLint i = _mesa_get_format_bits(f, GL_TEXTURE_INTENSITY_SIZE);
84
85 /* Note: Z32_FLOAT_X24S8 has datatype of GL_NONE */
86 EXPECT_TRUE(datatype == GL_NONE ||
87 datatype == GL_UNSIGNED_NORMALIZED ||
88 datatype == GL_SIGNED_NORMALIZED ||
89 datatype == GL_UNSIGNED_INT ||
90 datatype == GL_INT ||
91 datatype == GL_FLOAT);
92
93 if (r > 0 && !_mesa_is_format_compressed(f)) {
94 GLint bytes = _mesa_get_format_bytes(f);
95 EXPECT_LE((r+g+b+a) / 8, bytes);
96 }
97
98 /* Determines if the base format has a channel [rgba] or property [li].
99 * > indicates existance
100 * == indicates non-existance
101 */
102 #define HAS_PROP(rop,gop,bop,aop,lop,iop) \
103 do { \
104 EXPECT_TRUE(r rop 0); \
105 EXPECT_TRUE(g gop 0); \
106 EXPECT_TRUE(b bop 0); \
107 EXPECT_TRUE(a aop 0); \
108 EXPECT_TRUE(l lop 0); \
109 EXPECT_TRUE(i iop 0); \
110 } while(0)
111
112 switch (_mesa_get_format_base_format(f)) {
113 case GL_RGBA:
114 HAS_PROP(>,>,>,>,==,==);
115 break;
116 case GL_RGB:
117 HAS_PROP(>,>,>,==,==,==);
118 break;
119 case GL_RG:
120 HAS_PROP(>,>,==,==,==,==);
121 break;
122 case GL_RED:
123 HAS_PROP(>,==,==,==,==,==);
124 break;
125 case GL_LUMINANCE:
126 HAS_PROP(==,==,==,==,>,==);
127 break;
128 case GL_INTENSITY:
129 HAS_PROP(==,==,==,==,==,>);
130 break;
131 default:
132 break;
133 }
134
135 #undef HAS_PROP
136
137 }
138 }
139
TEST(MesaFormatsTest,IntensityToRed)140 TEST(MesaFormatsTest, IntensityToRed)
141 {
142 EXPECT_EQ(_mesa_get_intensity_format_red(MESA_FORMAT_I_UNORM8),
143 MESA_FORMAT_R_UNORM8);
144 EXPECT_EQ(_mesa_get_intensity_format_red(MESA_FORMAT_I_SINT32),
145 MESA_FORMAT_R_SINT32);
146 EXPECT_EQ(_mesa_get_intensity_format_red(MESA_FORMAT_R8G8B8A8_UNORM),
147 MESA_FORMAT_R8G8B8A8_UNORM);
148 }
149
fffat_wrap(GLenum format,GLenum type)150 static mesa_format fffat_wrap(GLenum format, GLenum type)
151 {
152 uint32_t f = _mesa_format_from_format_and_type(format, type);
153 if (_mesa_format_is_mesa_array_format(f))
154 f = _mesa_format_from_array_format((mesa_array_format)f);
155 return (mesa_format)f;
156 }
157
TEST(MesaFormatsTest,FormatFromFormatAndType)158 TEST(MesaFormatsTest, FormatFromFormatAndType)
159 {
160 EXPECT_EQ(fffat_wrap(GL_RGBA, GL_SHORT),
161 MESA_FORMAT_RGBA_SNORM16);
162 EXPECT_EQ(fffat_wrap(GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT),
163 MESA_FORMAT_Z_UNORM16);
164 EXPECT_EQ(fffat_wrap(GL_STENCIL_INDEX, GL_UNSIGNED_BYTE),
165 MESA_FORMAT_S_UINT8);
166
167 /* Should return an array format, but not a proper MESA_FORMAT. */
168 EXPECT_TRUE(_mesa_format_is_mesa_array_format(_mesa_format_from_format_and_type(GL_DEPTH_COMPONENT,
169 GL_BYTE)));
170 }
171
TEST(MesaFormatsTest,FormatMatchesFormatAndType)172 TEST(MesaFormatsTest, FormatMatchesFormatAndType)
173 {
174 EXPECT_TRUE(_mesa_format_matches_format_and_type(MESA_FORMAT_RGBA_UNORM16,
175 GL_RGBA,
176 GL_UNSIGNED_SHORT, false,
177 NULL));
178 EXPECT_TRUE(_mesa_format_matches_format_and_type(MESA_FORMAT_S_UINT8,
179 GL_STENCIL_INDEX,
180 GL_UNSIGNED_BYTE, false,
181 NULL));
182 EXPECT_TRUE(_mesa_format_matches_format_and_type(MESA_FORMAT_Z_UNORM16,
183 GL_DEPTH_COMPONENT,
184 GL_UNSIGNED_SHORT, false,
185 NULL));
186 }
187