bd3fe475b8
This allows us to change the underlying pointer without rebuilding the pipeline, e.g. when moving the blitter from scanline to scanline. The extra overhead when not needed is measurable but small, <2%. We can always add back direct stages later for cases where we know the context pointer will not change. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3943 Change-Id: I827d7e6e4e67d02dd2802610f898f98c5f36f8cb Reviewed-on: https://skia-review.googlesource.com/3943 Reviewed-by: Herb Derby <herb@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
50 lines
1.5 KiB
C++
50 lines
1.5 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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uint64_t red = 0x3c00000000003c00ull,
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blue = 0x3800380000000000ull,
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result;
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void* load_s_ctx = &blue;
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void* load_d_ctx = &red;
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void* store_ctx = &result;
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SkRasterPipeline p;
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p.append(SkRasterPipeline::load_s_f16, &load_s_ctx);
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p.append(SkRasterPipeline::load_d_f16, &load_d_ctx);
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p.append(SkRasterPipeline::srcover);
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p.append(SkRasterPipeline::store_f16, &store_ctx);
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p.compile()(0, 1);
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// We should see half-intensity magenta.
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REPORTER_ASSERT(r, ((result >> 0) & 0xffff) == 0x3800);
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REPORTER_ASSERT(r, ((result >> 16) & 0xffff) == 0x0000);
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REPORTER_ASSERT(r, ((result >> 32) & 0xffff) == 0x3800);
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REPORTER_ASSERT(r, ((result >> 48) & 0xffff) == 0x3c00);
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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.compile()(0,20);
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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.compile()(0, 20);
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}
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