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" 9#include "SkHalf.h" 10#include "SkRasterPipeline.h" 11 12DEF_TEST(SkRasterPipeline, r) { 13 // Build and run a simple pipeline to exercise SkRasterPipeline, 14 // drawing 50% transparent blue over opaque red in half-floats. 15 uint64_t red = 0x3c00000000003c00ull, 16 blue = 0x3800380000000000ull, 17 result; 18 19 void* load_s_ctx = &blue; 20 void* load_d_ctx = &red; 21 void* store_ctx = &result; 22 23 SkRasterPipeline p; 24 p.append(SkRasterPipeline::load_f16, &load_s_ctx); 25 p.append(SkRasterPipeline::move_src_dst); 26 p.append(SkRasterPipeline::load_f16, &load_d_ctx); 27 p.append(SkRasterPipeline::swap); 28 p.append(SkRasterPipeline::srcover); 29 p.append(SkRasterPipeline::store_f16, &store_ctx); 30 p.run(0,1); 31 32 // We should see half-intensity magenta. 33 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); 37} 38 39DEF_TEST(SkRasterPipeline_empty, r) { 40 // No asserts... just a test that this is safe to run. 41 SkRasterPipeline p; 42 p.run(0,20); 43} 44 45DEF_TEST(SkRasterPipeline_nonsense, r) { 46 // No asserts... just a test that this is safe to run and terminates. 47 // srcover() calls st->next(); this makes sure we've always got something there to call. 48 SkRasterPipeline p; 49 p.append(SkRasterPipeline::srcover); 50 p.run(0,20); 51} 52 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); 72 p.run(15, 20); 73 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} 82