Revert "Add tests and benches to support the sRGB blitter for SkOpts"

bench/SkBlend_optsBench.cpp

-/*
- * 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);
-
-    }
-
-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")