54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
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/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkRasterPipeline.h"
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#include "Test.h"
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DEF_TEST(F16Stages, r) {
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// Make sure SkRasterPipeline::load_f16 and store_f16 can handle a range of
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// ordinary (0<=x<=1) and interesting (x<0, x>1) values.
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float floats[16] = {
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0.0f, 0.25f, 0.5f, 1.0f,
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-1.25f, -0.5f, 1.25f, 2.0f,
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0,0,0,0, 0,0,0,0, // pad a bit to make sure we qualify for platform-specific code
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};
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uint16_t halfs[16] = {0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0};
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float* f32 = floats;
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uint16_t* f16 = halfs;
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{
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SkRasterPipeline p;
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p.append(SkRasterPipeline:: load_f32, &f32);
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p.append(SkRasterPipeline::store_f16, &f16);
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p.run(0,16/4);
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}
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REPORTER_ASSERT(r, f16[0] == 0x0000);
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REPORTER_ASSERT(r, f16[1] == 0x3400);
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REPORTER_ASSERT(r, f16[2] == 0x3800);
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REPORTER_ASSERT(r, f16[3] == 0x3c00);
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REPORTER_ASSERT(r, f16[4] == 0xbd00);
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REPORTER_ASSERT(r, f16[5] == 0xb800);
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REPORTER_ASSERT(r, f16[6] == 0x3d00);
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REPORTER_ASSERT(r, f16[7] == 0x4000);
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{
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SkRasterPipeline p;
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p.append(SkRasterPipeline:: load_f16, &f16);
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p.append(SkRasterPipeline::store_f32, &f32);
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p.run(0,16/4);
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}
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REPORTER_ASSERT(r, f32[0] == 0.00f);
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REPORTER_ASSERT(r, f32[1] == 0.25f);
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REPORTER_ASSERT(r, f32[2] == 0.50f);
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REPORTER_ASSERT(r, f32[3] == 1.00f);
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REPORTER_ASSERT(r, f32[4] == -1.25f);
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REPORTER_ASSERT(r, f32[5] == -0.50f);
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REPORTER_ASSERT(r, f32[6] == 1.25f);
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REPORTER_ASSERT(r, f32[7] == 2.00f);
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}
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