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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 "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
};
uint16_t halfs[16] = {0,0,0,0, 0,0,0,0, 0,0,0,0, 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] == 0x0000);
REPORTER_ASSERT(r, halfs[1] == 0x3400);
REPORTER_ASSERT(r, halfs[2] == 0x3800);
REPORTER_ASSERT(r, halfs[3] == 0x3c00);
REPORTER_ASSERT(r, halfs[4] == 0xbd00);
REPORTER_ASSERT(r, halfs[5] == 0xb800);
REPORTER_ASSERT(r, halfs[6] == 0x3d00);
REPORTER_ASSERT(r, halfs[7] == 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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