7f71d8845c
A little JIT proof of concept for SkRasterPipeline, using xbyak, which is a header-only assembler. It's x86-only, but supports x86 very thoroughly, and it's very user friendly (at least as far as assembler libraries go...). CQ_INCLUDE_TRYBOTS=skia.primary:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD Change-Id: Ie17e562b0f3fff5914041badfb2c1fe4f86efab8 Reviewed-on: https://skia-review.googlesource.com/5730 Reviewed-by: Herb Derby <herb@google.com> Reviewed-by: Heather Miller <hcm@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
62 lines
2.0 KiB
C++
62 lines
2.0 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_f16, &load_s_ctx);
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p.append(SkRasterPipeline::move_src_dst);
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p.append(SkRasterPipeline::load_f16, &load_d_ctx);
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p.append(SkRasterPipeline::swap);
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p.append(SkRasterPipeline::srcover);
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p.append(SkRasterPipeline::store_f16, &store_ctx);
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p.run(0,0, 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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// Run again, this time compiling the pipeline.
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result = 0;
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auto fn = p.compile();
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fn(0,0, 1);
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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.run(0,0, 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.run(0,0, 20);
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}
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