1 /*
2 * Copyright (C) 2021 Collabora, Ltd.
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #include "compiler.h"
25 #include "bi_test.h"
26 #include "bi_builder.h"
27
28 #include <gtest/gtest.h>
29
30 #define CASE(shader_stage, instr, expected) do { \
31 bi_builder *A = bit_builder(mem_ctx); \
32 bi_builder *B = bit_builder(mem_ctx); \
33 { \
34 bi_builder *b = A; \
35 bi_index u = bi_temp(b->shader); \
36 bi_index v = bi_temp(b->shader); \
37 A->shader->stage = MESA_SHADER_ ## shader_stage; \
38 instr; \
39 } \
40 { \
41 bi_builder *b = B; \
42 bi_index u = bi_temp(b->shader); \
43 bi_index v = bi_temp(b->shader); \
44 B->shader->stage = MESA_SHADER_ ## shader_stage; \
45 expected; \
46 } \
47 bi_opt_fuse_dual_texture(A->shader); \
48 if (!bit_shader_equal(A->shader, B->shader)) { \
49 ADD_FAILURE(); \
50 fprintf(stderr, "Optimization produce unexpected result"); \
51 fprintf(stderr, " Actual:\n"); \
52 bi_print_shader(A->shader, stderr); \
53 fprintf(stderr, "Expected:\n"); \
54 bi_print_shader(B->shader, stderr); \
55 fprintf(stderr, "\n"); \
56 } \
57 } while(0)
58
59 #define NEGCASE(stage, instr) CASE(stage, instr, instr)
60
61 class DualTexture : public testing::Test {
62 protected:
DualTexture()63 DualTexture() {
64 mem_ctx = ralloc_context(NULL);
65
66 reg = bi_register(0);
67 x = bi_register(4);
68 y = bi_register(8);
69
70 }
71
~DualTexture()72 ~DualTexture() {
73 ralloc_free(mem_ctx);
74 }
75
76 void *mem_ctx;
77
78 bi_index reg, x, y;
79 };
80
81
TEST_F(DualTexture,FuseDualTexFragment)82 TEST_F(DualTexture, FuseDualTexFragment)
83 {
84 CASE(FRAGMENT, {
85 bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
86 bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
87 }, {
88 bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F00144), false, 4, 4);
89 });
90 }
91
TEST_F(DualTexture,FuseDualTexKernel)92 TEST_F(DualTexture, FuseDualTexKernel)
93 {
94 CASE(KERNEL, {
95 bi_texs_2d_f32_to(b, x, u, v, true, 0, 0);
96 bi_texs_2d_f32_to(b, y, u, v, true, 1, 1);
97 }, {
98 bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F00144), true, 4, 4);
99 });
100 }
101
TEST_F(DualTexture,FuseDualTexVertex)102 TEST_F(DualTexture, FuseDualTexVertex)
103 {
104 CASE(VERTEX, {
105 bi_texs_2d_f32_to(b, x, u, v, true, 0, 0);
106 bi_texs_2d_f32_to(b, y, u, v, true, 1, 1);
107 }, {
108 bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F00144), true, 4, 4);
109 });
110 }
111
TEST_F(DualTexture,DontFuseDualTexWrongStage)112 TEST_F(DualTexture, DontFuseDualTexWrongStage)
113 {
114 NEGCASE(FRAGMENT, {
115 bi_texs_2d_f32_to(b, x, u, v, true, 0, 0);
116 bi_texs_2d_f32_to(b, y, u, v, true, 1, 1);
117 });
118
119 NEGCASE(KERNEL, {
120 bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
121 bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
122 });
123
124 NEGCASE(VERTEX, {
125 bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
126 bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
127 });
128 }
129
TEST_F(DualTexture,FuseDualTexMaximumIndex)130 TEST_F(DualTexture, FuseDualTexMaximumIndex)
131 {
132 CASE(FRAGMENT, {
133 bi_texs_2d_f32_to(b, x, u, v, false, 2, 2);
134 bi_texs_2d_f32_to(b, y, u, v, false, 3, 3);
135 }, {
136 bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F003E6), false, 4, 4);
137 });
138 }
139
TEST_F(DualTexture,FuseDualTexMixedIndex)140 TEST_F(DualTexture, FuseDualTexMixedIndex)
141 {
142 CASE(FRAGMENT, {
143 bi_texs_2d_f32_to(b, x, u, v, false, 3, 2);
144 bi_texs_2d_f32_to(b, y, u, v, false, 2, 3);
145 }, {
146 bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F003A7), false, 4, 4);
147 });
148 }
149
TEST_F(DualTexture,DontFuseDualTexOutOfBounds)150 TEST_F(DualTexture, DontFuseDualTexOutOfBounds)
151 {
152 NEGCASE(FRAGMENT, {
153 bi_texs_2d_f32_to(b, x, u, v, false, 4, 0);
154 bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
155 });
156
157 NEGCASE(FRAGMENT, {
158 bi_texs_2d_f32_to(b, x, u, v, false, 0, 4);
159 bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
160 });
161
162 NEGCASE(FRAGMENT, {
163 bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
164 bi_texs_2d_f32_to(b, y, u, v, false, 4, 1);
165 });
166
167 NEGCASE(FRAGMENT, {
168 bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
169 bi_texs_2d_f32_to(b, y, u, v, false, 1, 4);
170 });
171 }
172
TEST_F(DualTexture,FuseDualTexFP16)173 TEST_F(DualTexture, FuseDualTexFP16)
174 {
175 CASE(FRAGMENT, {
176 bi_texs_2d_f16_to(b, x, u, v, false, 0, 0);
177 bi_texs_2d_f16_to(b, y, u, v, false, 1, 1);
178 }, {
179 bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF1E00144), false, 2, 2);
180 });
181 }
182
TEST_F(DualTexture,FuseDualTexMixedSize)183 TEST_F(DualTexture, FuseDualTexMixedSize)
184 {
185 CASE(FRAGMENT, {
186 bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
187 bi_texs_2d_f16_to(b, y, u, v, false, 1, 1);
188 }, {
189 bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0XF9E00144), false, 4, 2);
190 });
191
192 CASE(FRAGMENT, {
193 bi_texs_2d_f16_to(b, x, u, v, false, 0, 0);
194 bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
195 }, {
196 bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF1F00144), false, 2, 4);
197 });
198 }
199
TEST_F(DualTexture,DontFuseMixedCoordinates)200 TEST_F(DualTexture, DontFuseMixedCoordinates)
201 {
202 NEGCASE(FRAGMENT, {
203 bi_texs_2d_f32_to(b, x, bi_neg(u), v, false, 0, 0);
204 bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
205 });
206
207 NEGCASE(FRAGMENT, {
208 bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
209 bi_texs_2d_f32_to(b, y, v, u, false, 1, 1);
210 });
211 }
212