| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkRasterPipeline.h" |
| #include "Test.h" |
| #include "../src/jumper/SkJumper.h" |
| |
| DEF_TEST(F16Stages, r) { |
| // Make sure SkRasterPipeline::load_f16 and store_f16 can handle a range of |
| // ordinary (0<=x<=1) and interesting (x<0, x>1) values. |
| float floats[16] = { |
| 0.0f, 0.25f, 0.5f, 1.0f, |
| -1.25f, -0.5f, 1.25f, 2.0f, |
| 0,0,0,0, 0,0,0,0, // pad a bit to make sure we qualify for platform-specific code |
| }; |
| uint64_t halfs[4] = {0,0,0,0}; |
| |
| SkJumper_MemoryCtx f32 = { floats, 0 }, |
| f16 = { halfs, 0 }; |
| |
| { |
| SkRasterPipeline_<256> p; |
| p.append(SkRasterPipeline:: load_f32, &f32); |
| p.append(SkRasterPipeline::store_f16, &f16); |
| p.run(0,0,16/4,1); |
| } |
| REPORTER_ASSERT(r, ((halfs[0] >> 0) & 0xffff) == 0x0000); |
| REPORTER_ASSERT(r, ((halfs[0] >> 16) & 0xffff) == 0x3400); |
| REPORTER_ASSERT(r, ((halfs[0] >> 32) & 0xffff) == 0x3800); |
| REPORTER_ASSERT(r, ((halfs[0] >> 48) & 0xffff) == 0x3c00); |
| REPORTER_ASSERT(r, ((halfs[1] >> 0) & 0xffff) == 0xbd00); |
| REPORTER_ASSERT(r, ((halfs[1] >> 16) & 0xffff) == 0xb800); |
| REPORTER_ASSERT(r, ((halfs[1] >> 32) & 0xffff) == 0x3d00); |
| REPORTER_ASSERT(r, ((halfs[1] >> 48) & 0xffff) == 0x4000); |
| |
| { |
| SkRasterPipeline_<256> p; |
| p.append(SkRasterPipeline:: load_f16, &f16); |
| p.append(SkRasterPipeline::store_f32, &f32); |
| p.run(0,0,16/4,1); |
| } |
| REPORTER_ASSERT(r, floats[0] == 0.00f); |
| REPORTER_ASSERT(r, floats[1] == 0.25f); |
| REPORTER_ASSERT(r, floats[2] == 0.50f); |
| REPORTER_ASSERT(r, floats[3] == 1.00f); |
| REPORTER_ASSERT(r, floats[4] == -1.25f); |
| REPORTER_ASSERT(r, floats[5] == -0.50f); |
| REPORTER_ASSERT(r, floats[6] == 1.25f); |
| REPORTER_ASSERT(r, floats[7] == 2.00f); |
| } |