skia2/bench/SkRasterPipelineBench.cpp
Mike Klein d37d5d9649 Revert "Revert "clamp to premul when reading premul sRGB""
This reverts commit 2e018f548d.

Reason for revert: doesn't appear to have been the roll problem.

Original change's description:
> Revert "clamp to premul when reading premul sRGB"
> 
> This reverts commit 04e10da836.
> 
> Reason for revert: roll?
> 
> Change-Id: Id0a8dcd62763bd6eddde120c513ca97e098a4268
> Reviewed-on: https://skia-review.googlesource.com/6022
> Commit-Queue: Mike Klein <mtklein@chromium.org>
> Reviewed-by: Mike Klein <mtklein@chromium.org>
> 

TBR=mtklein@chromium.org,reviews@skia.org,brianosman@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I399ca5e728ce6766c6707682c4c6b685681ffdeb
Reviewed-on: https://skia-review.googlesource.com/6025
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
2016-12-14 13:38:41 +00:00

65 lines
1.9 KiB
C++

/*
* 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 "Benchmark.h"
#include "SkOpts.h"
#include "SkRasterPipeline.h"
static const int N = 1023;
static uint64_t dst[N]; // sRGB or F16
static uint32_t src[N]; // sRGB
static uint8_t mask[N]; // 8-bit linear
// We'll build up a somewhat realistic useful pipeline:
// - load srgb src
// - scale src by 8-bit mask
// - load srgb/f16 dst
// - src = srcover(dst, src)
// - store src back as srgb/f16
template <bool kF16>
class SkRasterPipelineBench : public Benchmark {
public:
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
const char* onGetName() override {
return kF16 ? "SkRasterPipeline_f16"
: "SkRasterPipeline_srgb";
}
void onDraw(int loops, SkCanvas*) override {
void* mask_ctx = mask;
void* src_ctx = src;
void* dst_ctx = dst;
SkRasterPipeline p;
p.append(SkRasterPipeline::load_8888, &src_ctx);
p.append_from_srgb(kUnpremul_SkAlphaType);
p.append(SkRasterPipeline::scale_u8, &mask_ctx);
if (kF16) {
p.append(SkRasterPipeline::load_f16_d, &dst_ctx);
} else {
p.append(SkRasterPipeline::load_8888_d, &dst_ctx);
p.append_from_srgb_d(kPremul_SkAlphaType);
}
p.append(SkRasterPipeline::srcover);
if (kF16) {
p.append(SkRasterPipeline::store_f16, &dst_ctx);
} else {
p.append(SkRasterPipeline::to_srgb);
p.append(SkRasterPipeline::store_8888, &dst_ctx);
}
auto compiled = p.compile();
while (loops --> 0) {
compiled(0,0, N);
}
}
};
DEF_BENCH( return new SkRasterPipelineBench<true>; )
DEF_BENCH( return new SkRasterPipelineBench<false>; )