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- /*
- * 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 "src/core/SkRasterPipeline.h"
- #include "tests/Test.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};
- SkRasterPipeline_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);
- }
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