1 /* 2 * Copyright 2017 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 "SkRasterPipeline.h" 9 #include "Test.h" 10 11 DEF_TEST(F16Stages, r) { 12 // Make sure SkRasterPipeline::load_f16 and store_f16 can handle a range of 13 // ordinary (0<=x<=1) and interesting (x<0, x>1) values. 14 float floats[16] = { 15 0.0f, 0.25f, 0.5f, 1.0f, 16 -1.25f, -0.5f, 1.25f, 2.0f, 17 0,0,0,0, 0,0,0,0, // pad a bit to make sure we qualify for platform-specific code 18 }; 19 uint64_t halfs[4] = {0,0,0,0}; 20 21 SkRasterPipeline_MemoryCtx f32 = { floats, 0 }, 22 f16 = { halfs, 0 }; 23 24 { 25 SkRasterPipeline_<256> p; 26 p.append(SkRasterPipeline:: load_f32, &f32); 27 p.append(SkRasterPipeline::store_f16, &f16); 28 p.run(0,0,16/4,1); 29 } 30 REPORTER_ASSERT(r, ((halfs[0] >> 0) & 0xffff) == 0x0000); 31 REPORTER_ASSERT(r, ((halfs[0] >> 16) & 0xffff) == 0x3400); 32 REPORTER_ASSERT(r, ((halfs[0] >> 32) & 0xffff) == 0x3800); 33 REPORTER_ASSERT(r, ((halfs[0] >> 48) & 0xffff) == 0x3c00); 34 REPORTER_ASSERT(r, ((halfs[1] >> 0) & 0xffff) == 0xbd00); 35 REPORTER_ASSERT(r, ((halfs[1] >> 16) & 0xffff) == 0xb800); 36 REPORTER_ASSERT(r, ((halfs[1] >> 32) & 0xffff) == 0x3d00); 37 REPORTER_ASSERT(r, ((halfs[1] >> 48) & 0xffff) == 0x4000); 38 39 { 40 SkRasterPipeline_<256> p; 41 p.append(SkRasterPipeline:: load_f16, &f16); 42 p.append(SkRasterPipeline::store_f32, &f32); 43 p.run(0,0,16/4,1); 44 } 45 REPORTER_ASSERT(r, floats[0] == 0.00f); 46 REPORTER_ASSERT(r, floats[1] == 0.25f); 47 REPORTER_ASSERT(r, floats[2] == 0.50f); 48 REPORTER_ASSERT(r, floats[3] == 1.00f); 49 REPORTER_ASSERT(r, floats[4] == -1.25f); 50 REPORTER_ASSERT(r, floats[5] == -0.50f); 51 REPORTER_ASSERT(r, floats[6] == 1.25f); 52 REPORTER_ASSERT(r, floats[7] == 2.00f); 53 } 54
