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mtklein281b33f2016-07-12 15:01:26 -07001/*
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 Klein9161ef02016-10-04 14:03:27 -04009#include "SkHalf.h"
mtklein281b33f2016-07-12 15:01:26 -070010#include "SkRasterPipeline.h"
11
mtklein281b33f2016-07-12 15:01:26 -070012DEF_TEST(SkRasterPipeline, r) {
Mike Klein9161ef02016-10-04 14:03:27 -040013 // Build and run a simple pipeline to exercise SkRasterPipeline,
14 // drawing 50% transparent blue over opaque red in half-floats.
Mike Klein26bea5d2016-10-05 10:36:38 -040015 uint64_t red = 0x3c00000000003c00ull,
16 blue = 0x3800380000000000ull,
17 result;
Mike Kleind0ccb572016-10-05 09:36:26 -040018
Mike Kleinbd3fe472016-10-25 15:43:46 -040019 void* load_s_ctx = &blue;
20 void* load_d_ctx = &red;
21 void* store_ctx = &result;
22
mtklein281b33f2016-07-12 15:01:26 -070023 SkRasterPipeline p;
Mike Klein729b5822016-11-28 18:23:23 -050024 p.append(SkRasterPipeline::load_f16, &load_s_ctx);
Mike Klein8c8cb5b2017-01-06 10:21:56 -050025 p.append(SkRasterPipeline::move_src_dst);
26 p.append(SkRasterPipeline::load_f16, &load_d_ctx);
27 p.append(SkRasterPipeline::swap);
Mike Klein9161ef02016-10-04 14:03:27 -040028 p.append(SkRasterPipeline::srcover);
Mike Kleinbd3fe472016-10-25 15:43:46 -040029 p.append(SkRasterPipeline::store_f16, &store_ctx);
Mike Klein319ba3d2017-01-20 15:11:54 -050030 p.run(0,1);
mtklein281b33f2016-07-12 15:01:26 -070031
Mike Klein9161ef02016-10-04 14:03:27 -040032 // We should see half-intensity magenta.
Mike Klein26bea5d2016-10-05 10:36:38 -040033 REPORTER_ASSERT(r, ((result >> 0) & 0xffff) == 0x3800);
34 REPORTER_ASSERT(r, ((result >> 16) & 0xffff) == 0x0000);
35 REPORTER_ASSERT(r, ((result >> 32) & 0xffff) == 0x3800);
36 REPORTER_ASSERT(r, ((result >> 48) & 0xffff) == 0x3c00);
mtklein281b33f2016-07-12 15:01:26 -070037}
mtklein0abddf72016-07-13 08:22:20 -070038
39DEF_TEST(SkRasterPipeline_empty, r) {
40 // No asserts... just a test that this is safe to run.
41 SkRasterPipeline p;
Mike Klein319ba3d2017-01-20 15:11:54 -050042 p.run(0,20);
mtklein0abddf72016-07-13 08:22:20 -070043}
44
45DEF_TEST(SkRasterPipeline_nonsense, r) {
46 // No asserts... just a test that this is safe to run and terminates.
Mike Klein9161ef02016-10-04 14:03:27 -040047 // srcover() calls st->next(); this makes sure we've always got something there to call.
mtklein0abddf72016-07-13 08:22:20 -070048 SkRasterPipeline p;
Mike Klein9161ef02016-10-04 14:03:27 -040049 p.append(SkRasterPipeline::srcover);
Mike Klein319ba3d2017-01-20 15:11:54 -050050 p.run(0,20);
mtklein0abddf72016-07-13 08:22:20 -070051}
Mike Klein7ba89a12017-01-10 13:42:51 -050052
53DEF_TEST(SkRasterPipeline_JIT, r) {
54 // This tests a couple odd corners that a JIT backend can stumble over.
55
56 uint32_t buf[72] = {
57 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
58 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
59 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
60 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
61 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
62 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
63 };
64
65 const uint32_t* src = buf + 0;
66 uint32_t* dst = buf + 36;
67
68 // Copy buf[x] to buf[x+36] for x in [15,35).
69 SkRasterPipeline p;
70 p.append(SkRasterPipeline:: load_8888, &src);
71 p.append(SkRasterPipeline::store_8888, &dst);
Mike Klein8729e5b2017-02-16 06:51:48 -050072 p.run(15, 20);
Mike Klein7ba89a12017-01-10 13:42:51 -050073
74 for (int i = 0; i < 36; i++) {
75 if (i < 15 || i == 35) {
76 REPORTER_ASSERT(r, dst[i] == 0);
77 } else {
78 REPORTER_ASSERT(r, dst[i] == (uint32_t)(i - 11));
79 }
80 }
81}