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Unified Diff: bench/SkBlend_optsBench.cpp

Issue 1939513002: Add specialized sRGB blitter for SkOpts (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Fix bad assert. Created 4 years, 7 months ago
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Index: bench/SkBlend_optsBench.cpp
diff --git a/bench/SkBlend_optsBench.cpp b/bench/SkBlend_optsBench.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9c34d49f34bc3b60b68321ef1fca748858f34a16
--- /dev/null
+++ b/bench/SkBlend_optsBench.cpp
@@ -0,0 +1,167 @@
+/*
+ * 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 <tuple>
+
+#include "Benchmark.h"
+#include "Resources.h"
+#include "SkCpu.h"
+#include "SkImage.h"
+#include "SkImage_Base.h"
+#include "SkNx.h"
+#include "SkOpts.h"
+#include "SkString.h"
+
+#define INNER_LOOPS 10
+
+namespace sk_default {
+extern void brute_force_srcover_srgb_srgb(
+ uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
+}
+
+class SrcOverVSkOptsBruteForce {
+public:
+ static SkString Name() { return SkString{"VSkOptsBruteForce"}; }
+ static bool WorksOnCpu() { return true; }
+ static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
+ sk_default::brute_force_srcover_srgb_srgb(dst, src, count, count);
+ }
+};
+
+namespace sk_default {
+extern void trivial_srcover_srgb_srgb(
+ uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
+}
+
+class SrcOverVSkOptsTrivial {
+public:
+ static SkString Name() { return SkString{"VSkOptsTrivial"}; }
+ static bool WorksOnCpu() { return true; }
+ static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
+ sk_default::trivial_srcover_srgb_srgb(dst, src, count, count);
+ }
+};
+
+namespace sk_default {
+extern void best_non_simd_srcover_srgb_srgb(
+ uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
+}
+
+class SrcOverVSkOptsNonSimdCore {
+public:
+ static SkString Name() { return SkString{"VSkOptsNonSimdCore"}; }
+ static bool WorksOnCpu() { return true; }
+ static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
+ sk_default::best_non_simd_srcover_srgb_srgb(dst, src, count, count);
+ }
+};
+
+namespace sk_default {
+extern void srcover_srgb_srgb(
+ uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
+}
+
+class SrcOverVSkOptsDefault {
+public:
+ static SkString Name() { return SkString{"VSkOptsDefault"}; }
+ static bool WorksOnCpu() { return true; }
+ static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
+ sk_default::srcover_srgb_srgb(dst, src, count, count);
+ }
+};
+
+namespace sk_sse41 {
+ extern void srcover_srgb_srgb(
+ uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
+}
+
+class SrcOverVSkOptsSSE41 {
+public:
+ static SkString Name() { return SkString{"VSkOptsSSE41"}; }
+ static bool WorksOnCpu() { return SkCpu::Supports(SkCpu::SSE41); }
+ static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
+ sk_sse41::srcover_srgb_srgb(dst, src, count, count);
+ }
+};
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+template <typename Blender>
+class LinearSrcOverBench : public Benchmark {
+public:
+ LinearSrcOverBench(const char* fileName) {
+ fName = "LinearSrcOver";
+ fName.append(fileName);
+ fName.append(Blender::Name());
+
+ sk_sp<SkImage> image = GetResourceAsImage(fileName);
+ SkBitmap bm;
+ if (!as_IB(image)->getROPixels(&bm)) {
+ SkFAIL("Could not read resource");
+ }
+ bm.peekPixels(&fPixmap);
+ fCount = fPixmap.rowBytesAsPixels();
+ fDst.reset(fCount);
+ memset(fDst.get(), 0, fPixmap.rowBytes());
+ }
+
+protected:
+ bool isSuitableFor(Backend backend) override {
+ return backend == kNonRendering_Backend && Blender::WorksOnCpu();
+ }
+ const char* onGetName() override { return fName.c_str(); }
+ void onDraw(int loops, SkCanvas*) override {
+ SkASSERT(fPixmap.colorType() == kN32_SkColorType);
+
+ const int width = fPixmap.rowBytesAsPixels();
+
+ for (int i = 0; i < loops * INNER_LOOPS; ++i) {
+ const uint32_t* src = fPixmap.addr32();
+ for (int y = 0; y < fPixmap.height(); y++) {
+ Blender::BlendN(fDst.get(), width, src);
+ src += width;
+ }
+ }
+ }
+
+ void onPostDraw(SkCanvas*) override {
+ // Make sure the compiler does not optimize away the operation.
+ volatile uint32_t v = 0;
+ for (int i = 0; i < fCount; i++) {
+ v ^= fDst[i];
+ }
+ }
+
+private:
+ int fCount;
+ SkAutoTArray<uint32_t> fDst;
+ SkString fName;
+ SkPixmap fPixmap;
+
+ typedef Benchmark INHERITED;
+};
+
+#if defined(SK_CPU_X86) && !defined(SK_BUILD_FOR_IOS)
+#define BENCHES(fileName) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsBruteForce>(fileName); ) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsTrivial>(fileName); ) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsNonSimdCore>(fileName); ) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsDefault>(fileName); ) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsSSE41>(fileName); )
+#else
+#define BENCHES(fileName) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsBruteForce>(fileName); ) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsTrivial>(fileName); ) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsNonSimdCore>(fileName); ) \
+DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsDefault>(fileName); )
+#endif
+
+BENCHES("yellow_rose.png")
+BENCHES("baby_tux.png")
+BENCHES("plane.png")
+BENCHES("mandrill_512.png")
+BENCHES("iconstrip.png")
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