mtklein | 281b33f | 2016-07-12 15:01:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "Test.h" |
Mike Klein | 9161ef0 | 2016-10-04 14:03:27 -0400 | [diff] [blame] | 9 | #include "SkHalf.h" |
mtklein | 281b33f | 2016-07-12 15:01:26 -0700 | [diff] [blame] | 10 | #include "SkRasterPipeline.h" |
| 11 | |
mtklein | 281b33f | 2016-07-12 15:01:26 -0700 | [diff] [blame] | 12 | DEF_TEST(SkRasterPipeline, r) { |
Mike Klein | 9161ef0 | 2016-10-04 14:03:27 -0400 | [diff] [blame] | 13 | // Build and run a simple pipeline to exercise SkRasterPipeline, |
| 14 | // drawing 50% transparent blue over opaque red in half-floats. |
Mike Klein | 26bea5d | 2016-10-05 10:36:38 -0400 | [diff] [blame] | 15 | uint64_t red = 0x3c00000000003c00ull, |
| 16 | blue = 0x3800380000000000ull, |
| 17 | result; |
Mike Klein | d0ccb57 | 2016-10-05 09:36:26 -0400 | [diff] [blame] | 18 | |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 19 | void* load_s_ctx = &blue; |
| 20 | void* load_d_ctx = &red; |
| 21 | void* store_ctx = &result; |
| 22 | |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 23 | SkRasterPipeline_<256> p; |
Mike Klein | 9f2b3d1 | 2017-06-27 17:26:50 -0400 | [diff] [blame^] | 24 | p.append(SkRasterPipeline::load_f16, &load_s_ctx); |
| 25 | p.append(SkRasterPipeline::load_f16_dst, &load_d_ctx); |
Mike Klein | 9161ef0 | 2016-10-04 14:03:27 -0400 | [diff] [blame] | 26 | p.append(SkRasterPipeline::srcover); |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 27 | p.append(SkRasterPipeline::store_f16, &store_ctx); |
Mike Klein | 761d27c | 2017-06-01 12:37:08 -0400 | [diff] [blame] | 28 | p.run(0,0,1); |
mtklein | 281b33f | 2016-07-12 15:01:26 -0700 | [diff] [blame] | 29 | |
Mike Klein | 9161ef0 | 2016-10-04 14:03:27 -0400 | [diff] [blame] | 30 | // We should see half-intensity magenta. |
Mike Klein | 26bea5d | 2016-10-05 10:36:38 -0400 | [diff] [blame] | 31 | REPORTER_ASSERT(r, ((result >> 0) & 0xffff) == 0x3800); |
| 32 | REPORTER_ASSERT(r, ((result >> 16) & 0xffff) == 0x0000); |
| 33 | REPORTER_ASSERT(r, ((result >> 32) & 0xffff) == 0x3800); |
| 34 | REPORTER_ASSERT(r, ((result >> 48) & 0xffff) == 0x3c00); |
mtklein | 281b33f | 2016-07-12 15:01:26 -0700 | [diff] [blame] | 35 | } |
mtklein | 0abddf7 | 2016-07-13 08:22:20 -0700 | [diff] [blame] | 36 | |
| 37 | DEF_TEST(SkRasterPipeline_empty, r) { |
| 38 | // No asserts... just a test that this is safe to run. |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 39 | SkRasterPipeline_<256> p; |
Mike Klein | 761d27c | 2017-06-01 12:37:08 -0400 | [diff] [blame] | 40 | p.run(0,0,20); |
mtklein | 0abddf7 | 2016-07-13 08:22:20 -0700 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | DEF_TEST(SkRasterPipeline_nonsense, r) { |
| 44 | // No asserts... just a test that this is safe to run and terminates. |
Mike Klein | 9161ef0 | 2016-10-04 14:03:27 -0400 | [diff] [blame] | 45 | // srcover() calls st->next(); this makes sure we've always got something there to call. |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 46 | SkRasterPipeline_<256> p; |
Mike Klein | 9161ef0 | 2016-10-04 14:03:27 -0400 | [diff] [blame] | 47 | p.append(SkRasterPipeline::srcover); |
Mike Klein | 761d27c | 2017-06-01 12:37:08 -0400 | [diff] [blame] | 48 | p.run(0,0,20); |
mtklein | 0abddf7 | 2016-07-13 08:22:20 -0700 | [diff] [blame] | 49 | } |
Mike Klein | 7ba89a1 | 2017-01-10 13:42:51 -0500 | [diff] [blame] | 50 | |
| 51 | DEF_TEST(SkRasterPipeline_JIT, r) { |
| 52 | // This tests a couple odd corners that a JIT backend can stumble over. |
| 53 | |
| 54 | uint32_t buf[72] = { |
| 55 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 56 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, |
| 57 | 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, |
| 58 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 59 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 60 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 61 | }; |
| 62 | |
| 63 | const uint32_t* src = buf + 0; |
| 64 | uint32_t* dst = buf + 36; |
| 65 | |
| 66 | // Copy buf[x] to buf[x+36] for x in [15,35). |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 67 | SkRasterPipeline_<256> p; |
Mike Klein | 7ba89a1 | 2017-01-10 13:42:51 -0500 | [diff] [blame] | 68 | p.append(SkRasterPipeline:: load_8888, &src); |
| 69 | p.append(SkRasterPipeline::store_8888, &dst); |
Mike Klein | 761d27c | 2017-06-01 12:37:08 -0400 | [diff] [blame] | 70 | p.run(15,0, 20); |
Mike Klein | 7ba89a1 | 2017-01-10 13:42:51 -0500 | [diff] [blame] | 71 | |
| 72 | for (int i = 0; i < 36; i++) { |
| 73 | if (i < 15 || i == 35) { |
| 74 | REPORTER_ASSERT(r, dst[i] == 0); |
| 75 | } else { |
| 76 | REPORTER_ASSERT(r, dst[i] == (uint32_t)(i - 11)); |
| 77 | } |
| 78 | } |
| 79 | } |
Herb Derby | d1f0830 | 2017-05-26 15:42:28 -0400 | [diff] [blame] | 80 | |
| 81 | static uint16_t h(float f) { |
| 82 | // Remember, a float is 1-8-23 (sign-exponent-mantissa) with 127 exponent bias. |
| 83 | uint32_t sem; |
| 84 | memcpy(&sem, &f, sizeof(sem)); |
| 85 | uint32_t s = sem & 0x80000000, |
| 86 | em = sem ^ s; |
| 87 | |
| 88 | // Convert to 1-5-10 half with 15 bias, flushing denorm halfs (including zero) to zero. |
| 89 | auto denorm = (int32_t)em < 0x38800000; // I32 comparison is often quicker, and always safe |
| 90 | // here. |
| 91 | return denorm ? SkTo<uint16_t>(0) |
| 92 | : SkTo<uint16_t>((s>>16) + (em>>13) - ((127-15)<<10)); |
| 93 | } |
| 94 | |
| 95 | static uint16_t n(uint16_t x) { |
| 96 | return (x<<8) | (x>>8); |
| 97 | } |
| 98 | |
| 99 | static float a(uint16_t x) { |
| 100 | return (1/65535.0f) * x; |
| 101 | } |
| 102 | |
| 103 | DEF_TEST(SkRasterPipeline_tail, r) { |
| 104 | { |
| 105 | float data[][4] = { |
| 106 | {00, 01, 02, 03}, |
| 107 | {10, 11, 12, 13}, |
| 108 | {20, 21, 22, 23}, |
| 109 | {30, 31, 32, 33}, |
| 110 | }; |
| 111 | |
| 112 | float buffer[4][4]; |
| 113 | float* src = &data[0][0]; |
| 114 | float* dst = &buffer[0][0]; |
| 115 | |
Herb Derby | 84dcac3 | 2017-05-30 16:56:32 -0400 | [diff] [blame] | 116 | for (unsigned i = 1; i <= 4; i++) { |
Herb Derby | d1f0830 | 2017-05-26 15:42:28 -0400 | [diff] [blame] | 117 | memset(buffer, 0xff, sizeof(buffer)); |
| 118 | SkRasterPipeline_<256> p; |
| 119 | p.append(SkRasterPipeline::load_f32, &src); |
| 120 | p.append(SkRasterPipeline::store_f32, &dst); |
Mike Klein | 761d27c | 2017-06-01 12:37:08 -0400 | [diff] [blame] | 121 | p.run(0,0, i); |
Herb Derby | d1f0830 | 2017-05-26 15:42:28 -0400 | [diff] [blame] | 122 | for (unsigned j = 0; j < i; j++) { |
Herb Derby | 84dcac3 | 2017-05-30 16:56:32 -0400 | [diff] [blame] | 123 | for (unsigned k = 0; k < 4; k++) { |
| 124 | if (buffer[j][k] != data[j][k]) { |
| 125 | ERRORF(r, "(%u, %u) - a: %g r: %g\n", j, k, data[j][k], buffer[j][k]); |
| 126 | } |
| 127 | } |
Herb Derby | d1f0830 | 2017-05-26 15:42:28 -0400 | [diff] [blame] | 128 | } |
| 129 | for (int j = i; j < 4; j++) { |
| 130 | for (auto f : buffer[j]) { |
| 131 | REPORTER_ASSERT(r, SkScalarIsNaN(f)); |
| 132 | } |
| 133 | } |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | { |
| 138 | uint16_t data[][4] = { |
| 139 | {h(00), h(01), h(02), h(03)}, |
| 140 | {h(10), h(11), h(12), h(13)}, |
| 141 | {h(20), h(21), h(22), h(23)}, |
| 142 | {h(30), h(31), h(32), h(33)}, |
| 143 | }; |
| 144 | uint16_t buffer[4][4]; |
| 145 | uint16_t* src = &data[0][0]; |
| 146 | uint16_t* dst = &buffer[0][0]; |
| 147 | |
Herb Derby | 84dcac3 | 2017-05-30 16:56:32 -0400 | [diff] [blame] | 148 | for (unsigned i = 1; i <= 4; i++) { |
Herb Derby | d1f0830 | 2017-05-26 15:42:28 -0400 | [diff] [blame] | 149 | memset(buffer, 0xff, sizeof(buffer)); |
| 150 | SkRasterPipeline_<256> p; |
| 151 | p.append(SkRasterPipeline::load_f16, &src); |
| 152 | p.append(SkRasterPipeline::store_f16, &dst); |
Mike Klein | 761d27c | 2017-06-01 12:37:08 -0400 | [diff] [blame] | 153 | p.run(0,0, i); |
Herb Derby | d1f0830 | 2017-05-26 15:42:28 -0400 | [diff] [blame] | 154 | for (unsigned j = 0; j < i; j++) { |
| 155 | REPORTER_ASSERT(r, |
| 156 | !memcmp(&data[j][0], &buffer[j][0], sizeof(buffer[j]))); |
| 157 | } |
| 158 | for (int j = i; j < 4; j++) { |
| 159 | for (auto f : buffer[j]) { |
| 160 | REPORTER_ASSERT(r, f == 0xffff); |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | { |
| 167 | uint16_t data[][3] = { |
| 168 | {n(00), n(01), n(02)}, |
| 169 | {n(10), n(11), n(12)}, |
| 170 | {n(20), n(21), n(22)}, |
| 171 | {n(30), n(31), n(32)} |
| 172 | }; |
| 173 | |
| 174 | float answer[][4] = { |
| 175 | {a(00), a(01), a(02), 1.0f}, |
| 176 | {a(10), a(11), a(12), 1.0f}, |
| 177 | {a(20), a(21), a(22), 1.0f}, |
| 178 | {a(30), a(31), a(32), 1.0f} |
| 179 | }; |
| 180 | |
| 181 | float buffer[4][4]; |
| 182 | uint16_t* src = &data[0][0]; |
| 183 | float* dst = &buffer[0][0]; |
| 184 | |
Herb Derby | 84dcac3 | 2017-05-30 16:56:32 -0400 | [diff] [blame] | 185 | for (unsigned i = 1; i <= 4; i++) { |
Herb Derby | d1f0830 | 2017-05-26 15:42:28 -0400 | [diff] [blame] | 186 | memset(buffer, 0xff, sizeof(buffer)); |
| 187 | SkRasterPipeline_<256> p; |
| 188 | p.append(SkRasterPipeline::load_rgb_u16_be, &src); |
| 189 | p.append(SkRasterPipeline::store_f32, &dst); |
Mike Klein | 761d27c | 2017-06-01 12:37:08 -0400 | [diff] [blame] | 190 | p.run(0,0, i); |
Herb Derby | d1f0830 | 2017-05-26 15:42:28 -0400 | [diff] [blame] | 191 | for (unsigned j = 0; j < i; j++) { |
| 192 | for (unsigned k = 0; k < 4; k++) { |
| 193 | if (buffer[j][k] != answer[j][k]) { |
| 194 | ERRORF(r, "(%u, %u) - a: %g r: %g\n", j, k, answer[j][k], buffer[j][k]); |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | for (int j = i; j < 4; j++) { |
| 199 | for (auto f : buffer[j]) { |
| 200 | REPORTER_ASSERT(r, SkScalarIsNaN(f)); |
| 201 | } |
| 202 | } |
| 203 | } |
| 204 | } |
| 205 | } |
Mike Klein | bba02c2 | 2017-06-02 10:03:30 -0400 | [diff] [blame] | 206 | |
| 207 | DEF_TEST(SkRasterPipeline_lowp, r) { |
| 208 | uint32_t rgba[64]; |
| 209 | for (int i = 0; i < 64; i++) { |
| 210 | rgba[i] = (4*i+0) << 0 |
| 211 | | (4*i+1) << 8 |
| 212 | | (4*i+2) << 16 |
| 213 | | (4*i+3) << 24; |
| 214 | } |
| 215 | |
| 216 | void* ptr = rgba; |
| 217 | |
| 218 | SkRasterPipeline_<256> p; |
| 219 | p.append(SkRasterPipeline::load_8888, &ptr); |
| 220 | p.append(SkRasterPipeline::swap_rb); |
| 221 | p.append(SkRasterPipeline::store_8888, &ptr); |
| 222 | p.run(0,0,64); |
| 223 | |
| 224 | for (int i = 0; i < 64; i++) { |
| 225 | uint32_t want = (4*i+0) << 16 |
| 226 | | (4*i+1) << 8 |
| 227 | | (4*i+2) << 0 |
| 228 | | (4*i+3) << 24; |
| 229 | if (rgba[i] != want) { |
| 230 | ERRORF(r, "got %08x, want %08x\n", rgba[i], want); |
| 231 | } |
| 232 | } |
| 233 | } |