d0ccb57ec4
BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3001 CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Mac-Clang-MacMini6.2-CPU-AVX-x86_64-Release-GN-Trybot Change-Id: I8d26b5484a2bf67d5d5891475640970046e470d8 Reviewed-on: https://skia-review.googlesource.com/3001 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Mike Klein <mtklein@chromium.org>
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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* Copyright 2016 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 "Test.h"
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#include "SkHalf.h"
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#include "SkRasterPipeline.h"
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DEF_TEST(SkRasterPipeline, r) {
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// Build and run a simple pipeline to exercise SkRasterPipeline,
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// drawing 50% transparent blue over opaque red in half-floats.
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Sk4h red = SkFloatToHalf_finite_ftz({ 1.0f, 0.0f, 0.0f, 1.0f }),
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blue = SkFloatToHalf_finite_ftz({ 0.0f, 0.0f, 0.5f, 0.5f }),
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result = { 1, 2, 3, 4 };
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uint64_t bits;
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memcpy(&bits, &red, 8);
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SkDebugf("SkRasterPipeline red: 0x%016llx, want 0x3c00000000003c00\n", bits);
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memcpy(&bits, &blue, 8);
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SkDebugf("SkRasterPipeline blue: 0x%016llx, want 0x3800380000000000\n", bits);
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SkRasterPipeline p;
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p.append(SkRasterPipeline::load_s_f16, &blue);
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p.append(SkRasterPipeline::load_d_f16, &red);
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p.append(SkRasterPipeline::srcover);
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p.append(SkRasterPipeline::store_f16, &result);
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p.run(1);
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Sk4f f = SkHalfToFloat_finite_ftz(result);
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memcpy(&bits, &result, 8);
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SkDebugf("SkRasterPipeline result: 0x%016llx, want 0x3c00380000003800\n", bits);
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// We should see half-intensity magenta.
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REPORTER_ASSERT(r, f[0] == 0.5f);
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REPORTER_ASSERT(r, f[1] == 0.0f);
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REPORTER_ASSERT(r, f[2] == 0.5f);
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REPORTER_ASSERT(r, f[3] == 1.0f);
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}
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DEF_TEST(SkRasterPipeline_empty, r) {
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// No asserts... just a test that this is safe to run.
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SkRasterPipeline p;
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p.run(20);
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}
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DEF_TEST(SkRasterPipeline_nonsense, r) {
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// No asserts... just a test that this is safe to run and terminates.
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// srcover() calls st->next(); this makes sure we've always got something there to call.
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SkRasterPipeline p;
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p.append(SkRasterPipeline::srcover);
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p.run(20);
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}
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