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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkHalf.h"
#include "SkRasterPipeline.h"
DEF_TEST(SkRasterPipeline, r) {
// Build and run a simple pipeline to exercise SkRasterPipeline,
// drawing 50% transparent blue over opaque red in half-floats.
Sk4h red = SkFloatToHalf_finite_ftz({ 1.0f, 0.0f, 0.0f, 1.0f }),
blue = SkFloatToHalf_finite_ftz({ 0.0f, 0.0f, 0.5f, 0.5f }),
result;
SkRasterPipeline p;
p.append(SkRasterPipeline::load_s_f16, &blue);
p.append(SkRasterPipeline::load_d_f16, &red);
p.append(SkRasterPipeline::srcover);
p.append(SkRasterPipeline::store_f16, &result);
p.run(1);
Sk4f f = SkHalfToFloat_finite_ftz(result);
uint64_t bits;
memcpy(&bits, &result, 8);
SkDebugf("SkRasterPipeline: 0x%016llx\n", bits);
// We should see half-intensity magenta.
REPORTER_ASSERT(r, f[0] == 0.5f);
REPORTER_ASSERT(r, f[1] == 0.0f);
REPORTER_ASSERT(r, f[2] == 0.5f);
REPORTER_ASSERT(r, f[3] == 1.0f);
}
DEF_TEST(SkRasterPipeline_empty, r) {
// No asserts... just a test that this is safe to run.
SkRasterPipeline p;
p.run(20);
}
DEF_TEST(SkRasterPipeline_nonsense, r) {
// No asserts... just a test that this is safe to run and terminates.
// srcover() calls st->next(); this makes sure we've always got something there to call.
SkRasterPipeline p;
p.append(SkRasterPipeline::srcover);
p.run(20);
}
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