mtklein | ac41bac | 2016-07-08 06:33:16 -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 | |
Mike Klein | ca2194b | 2017-05-15 18:03:52 -0400 | [diff] [blame] | 8 | #include "SkRasterPipeline.h" |
mtklein | ac41bac | 2016-07-08 06:33:16 -0700 | [diff] [blame] | 9 | #include "SkTypes.h" |
| 10 | #include "Test.h" |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame] | 11 | #include "../src/jumper/SkJumper.h" |
mtklein | ac41bac | 2016-07-08 06:33:16 -0700 | [diff] [blame] | 12 | |
Hal Canary | 8a00144 | 2018-09-19 11:31:27 -0400 | [diff] [blame] | 13 | #include <math.h> |
| 14 | |
Mike Klein | ca2194b | 2017-05-15 18:03:52 -0400 | [diff] [blame] | 15 | DEF_TEST(sk_pipeline_srgb_roundtrip, r) { |
| 16 | uint32_t reds[256]; |
| 17 | for (int i = 0; i < 256; i++) { |
| 18 | reds[i] = i; |
| 19 | } |
| 20 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame] | 21 | SkJumper_MemoryCtx ptr = { reds, 0 }; |
Mike Klein | ca2194b | 2017-05-15 18:03:52 -0400 | [diff] [blame] | 22 | |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 23 | SkRasterPipeline_<256> p; |
Mike Klein | ca2194b | 2017-05-15 18:03:52 -0400 | [diff] [blame] | 24 | p.append(SkRasterPipeline::load_8888, &ptr); |
Mike Klein | f1f1162 | 2017-12-18 14:07:31 -0500 | [diff] [blame] | 25 | p.append(SkRasterPipeline::from_srgb); |
Mike Klein | ca2194b | 2017-05-15 18:03:52 -0400 | [diff] [blame] | 26 | p.append(SkRasterPipeline::to_srgb); |
| 27 | p.append(SkRasterPipeline::store_8888, &ptr); |
| 28 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame] | 29 | p.run(0,0,256,1); |
Mike Klein | ca2194b | 2017-05-15 18:03:52 -0400 | [diff] [blame] | 30 | |
| 31 | for (int i = 0; i < 256; i++) { |
| 32 | if (reds[i] != (uint32_t)i) { |
| 33 | ERRORF(r, "%d doesn't round trip, %d", i, reds[i]); |
| 34 | } |
| 35 | } |
| 36 | } |
Mike Klein | c998f73 | 2017-05-24 19:00:47 -0400 | [diff] [blame] | 37 | |
| 38 | DEF_TEST(sk_pipeline_srgb_edge_cases, r) { |
| 39 | // We need to run at least 4 pixels to make sure we hit all specializations. |
Brian Osman | 1cf418b | 2018-09-20 13:10:49 -0400 | [diff] [blame] | 40 | float colors[4][4] = { {0,1,1,1}, {0,0,0,0}, {0,0,0,0}, {0,0,0,0} }; |
Mike Klein | c998f73 | 2017-05-24 19:00:47 -0400 | [diff] [blame] | 41 | auto& color = colors[0]; |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame] | 42 | |
| 43 | SkJumper_MemoryCtx dst = { &color, 0 }; |
Mike Klein | c998f73 | 2017-05-24 19:00:47 -0400 | [diff] [blame] | 44 | |
Mike Klein | 16776df | 2017-08-03 10:22:42 -0400 | [diff] [blame] | 45 | SkSTArenaAlloc<256> alloc; |
| 46 | SkRasterPipeline p(&alloc); |
| 47 | p.append_constant_color(&alloc, color); |
Mike Klein | c998f73 | 2017-05-24 19:00:47 -0400 | [diff] [blame] | 48 | p.append(SkRasterPipeline::to_srgb); |
| 49 | p.append(SkRasterPipeline::store_f32, &dst); |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame] | 50 | p.run(0,0,4,1); |
Mike Klein | c998f73 | 2017-05-24 19:00:47 -0400 | [diff] [blame] | 51 | |
Brian Osman | 1cf418b | 2018-09-20 13:10:49 -0400 | [diff] [blame] | 52 | if (color[0] != 0.0f) { |
| 53 | ERRORF(r, "expected to_srgb() to map 0.0f to 0.0f, got %f", color[0]); |
Mike Klein | c998f73 | 2017-05-24 19:00:47 -0400 | [diff] [blame] | 54 | } |
Brian Osman | 1cf418b | 2018-09-20 13:10:49 -0400 | [diff] [blame] | 55 | if (color[1] != 1.0f) { |
| 56 | float f = color[1]; |
Mike Klein | c998f73 | 2017-05-24 19:00:47 -0400 | [diff] [blame] | 57 | uint32_t x; |
| 58 | memcpy(&x, &f, 4); |
Brian Osman | 1cf418b | 2018-09-20 13:10:49 -0400 | [diff] [blame] | 59 | ERRORF(r, "expected to_srgb() to map 1.0f to 1.0f, got %f (%08x)", color[1], x); |
Mike Klein | c998f73 | 2017-05-24 19:00:47 -0400 | [diff] [blame] | 60 | } |
| 61 | } |