+++ /dev/null
-/*
- * Copyright 2017 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 "SkHalf.h"
-#include "SkNx.h"
-#include "SkRasterPipeline.h"
-
-static void hand_written(uint64_t* buf, int n) {
- while (n --> 0) {
- Sk4f rgba = SkHalfToFloat_finite_ftz(*buf);
-
- float a = rgba[3],
- scale = a == 0 ? 1 : 1.0f/a;
- rgba *= Sk4f{scale,scale,scale,1};
-
- SkFloatToHalf_finite_ftz(rgba).store(buf++);
- }
-}
-
-class SkXbyakBench : public Benchmark {
-public:
- enum Mode { kHandWritten, kInterpreted, kJITCompiled };
-
- SkXbyakBench(Mode mode) : fMode(mode) {
- memset(fBuf, 0, sizeof(fBuf));
- if (mode == kInterpreted || mode == kJITCompiled) {
- fPtr = &fBuf;
- fP.append(SkRasterPipeline::load_f16, &fPtr);
- fP.append(SkRasterPipeline::unpremul);
- fP.append(SkRasterPipeline::store_f16, &fPtr);
- }
-
- if (mode == kJITCompiled) {
- fFn = fP.compile();
- }
- }
- bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
-
- const char* onGetName() override {
- switch(fMode) {
- case kHandWritten: return "SkXbyak_HandWritten";
- case kInterpreted: return "SkXbyak_Interpreted";
- case kJITCompiled: return "SkXbyak_JITCompiled";
- }
- return "";
- }
-
- void onDraw(int loops, SkCanvas*) override {
- switch (fMode) {
- case kHandWritten:
- while (loops --> 0) { hand_written(fBuf, N); }
- break;
- case kInterpreted:
- while (loops --> 0) { fP.run(0,0,N); }
- break;
- case kJITCompiled:
- while (loops --> 0) { fFn(0,0,N); }
- break;
- }
- }
-
-private:
- static const int N = 1024; // TODO: 1023, making the tail jagged
-
- SkRasterPipeline fP;
- Mode fMode;
- uint64_t fBuf[N];
- void* fPtr;
- std::function<void(size_t, size_t, size_t)> fFn;
-};
-
-DEF_BENCH( return new SkXbyakBench(SkXbyakBench::kHandWritten); )
-DEF_BENCH( return new SkXbyakBench(SkXbyakBench::kInterpreted); )
-DEF_BENCH( return new SkXbyakBench(SkXbyakBench::kJITCompiled); )
"src/opts/SkBitmapProcState_opts_none.cpp",
"src/opts/SkBlitMask_opts_none.cpp",
"src/opts/SkBlitRow_opts_none.cpp",
- # Experiment. Google3 doesn't have the library it needs.
- "src/opts/SkXbyak.cpp",
"src/ports/*CG*",
"src/ports/*WIC*",
"src/ports/*android*",
"src/opts/*x86*",
"src/opts/SkBlitMask_opts_none.cpp",
"src/opts/SkBlitRow_opts_none.cpp",
- # Experiment. Google3 doesn't have the library it needs.
- "src/opts/SkXbyak.cpp",
"src/ports/*CG*",
"src/ports/*FontConfig*",
"src/ports/*WIC*",
"src/opts/*x86*",
"src/opts/SkBlitMask_opts_arm*.cpp",
"src/opts/SkBlitRow_opts_arm*.cpp",
- # Experiment. Google3 doesn't have the library it needs.
- "src/opts/SkXbyak.cpp",
"src/ports/*CG*",
"src/ports/*FontConfig*",
"src/ports/*FreeType*",
+++ /dev/null
-/*
- * 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 "SkCpu.h"
-#include "SkRasterPipeline.h"
-#include <memory>
-
-#if defined(__clang__)
- #pragma clang diagnostic ignored "-Wduplicate-enum"
-#endif
-#define XBYAK_NO_OP_NAMES // xor(), not(), etc. -> xor_(), not_(), etc.
-#include "xbyak/xbyak.h"
-
-namespace {
-
- struct Pipeline : public Xbyak::CodeGenerator {
-
- static std::shared_ptr<Pipeline> Create(const SkRasterPipeline::Stage* stages, int n) {
- if (!SkCpu::Supports(SkCpu::HSW)) {
- // TODO: other targets?
- return nullptr;
- }
-
- bool supported = true;
- auto pipeline = std::make_shared<Pipeline>(stages, n, &supported);
- if (supported) {
- return pipeline;
- }
- return nullptr;
- }
-
- Pipeline(const SkRasterPipeline::Stage* stages, int nstages, bool* supported) {
- // Set up some register name aliases.
- // y = rsi
- auto x = rdi, n = rdx;
- auto r = ymm0, g = ymm1, b = ymm2, a = ymm3,
- dr = ymm4, dg = ymm5, db = ymm6, da = ymm7;
-
- Xbyak::Label floatOneStorage,
- start;
-
- // TODO: set up (x+0.5,y+0.5) in (r,g)
- vxorps(r,r);
- vxorps(g,g);
- vxorps(b,b);
- vxorps(a,a);
- vxorps(dr,dr);
- vxorps(dg,dg);
- vxorps(db,db);
- vxorps(da,da);
-
- auto zero = ymm14,
- one = ymm15;
- vxorps(zero, zero);
- vbroadcastss(one, ptr[rip + floatOneStorage]);
-
- L(start);
- //trap();
- for (int i = 0; i < nstages; i++) {
- switch(stages[i].stage) {
- case SkRasterPipeline::load_f16:
- mov(rax, (size_t)stages[i].ctx);
- mov(rax, ptr[rax]);
-
- vmovdqu(xmm0, ptr[rax+x*8+ 0]);
- vmovdqu(xmm1, ptr[rax+x*8+16]);
- vmovdqu(xmm2, ptr[rax+x*8+32]);
- vmovdqu(xmm3, ptr[rax+x*8+48]);
-
- vpunpcklwd(xmm8, xmm1, xmm0); vpunpckhwd(xmm0 , xmm1, xmm0);
- vpunpcklwd(xmm1, xmm3, xmm2); vpunpckhwd(xmm2 , xmm3, xmm2);
- vpunpcklwd(xmm9, xmm0, xmm8); vpunpckhwd(xmm8 , xmm0, xmm8);
- vpunpcklwd(xmm3, xmm2, xmm1); vpunpckhwd(xmm10, xmm2, xmm1);
-
- vpunpcklqdq(xmm0, xmm3, xmm9); vcvtph2ps(ymm0, xmm0);
- vpunpckhqdq(xmm1, xmm3, xmm9); vcvtph2ps(ymm1, xmm1);
- vpunpcklqdq(xmm2, xmm10, xmm8); vcvtph2ps(ymm2, xmm2);
- vpunpckhqdq(xmm3, xmm10, xmm8); vcvtph2ps(ymm3, xmm3);
- break;
-
- case SkRasterPipeline::unpremul:
- vcmpeqps(ymm10, zero, a); // ymm10: a == 0
- vdivps(ymm11, one, a); // ymm11: 1/a
- vblendvps(ymm10, ymm10, zero, ymm11); // ymm10: (a==0) ? 0 : 1/a
- vmulps(r, r, ymm10);
- vmulps(g, g, ymm10);
- vmulps(b, b, ymm10);
- break;
-
- case SkRasterPipeline::store_f16:
- mov(rax, (size_t)stages[i].ctx);
- mov(rax, ptr[rax]);
-
- vcvtps2ph(xmm8 , ymm0, 4);
- vcvtps2ph(xmm9 , ymm1, 4);
- vcvtps2ph(xmm10, ymm2, 4);
- vcvtps2ph(xmm11, ymm3, 4);
-
- vpunpcklwd(xmm12, xmm9 , xmm8 );
- vpunpckhwd(xmm8 , xmm9 , xmm8 );
- vpunpcklwd(xmm9 , xmm11, xmm10);
- vpunpckhwd(xmm10, xmm11, xmm10);
-
- vpunpckldq(xmm11, xmm9 , xmm12); vmovdqu(ptr[rax+x*8+ 0], xmm11);
- vpunpckhdq(xmm9 , xmm9 , xmm12); vmovdqu(ptr[rax+x*8+16], xmm9 );
- vpunpckldq(xmm9 , xmm10, xmm8 ); vmovdqu(ptr[rax+x*8+32], xmm9 );
- vpunpckhdq(xmm8 , xmm10, xmm8 ); vmovdqu(ptr[rax+x*8+48], xmm8 );
- break;
-
- default:
- *supported = false;
- return;
- }
- }
- add(x, 8);
- cmp(x, n);
- jl(start);
-
- vzeroupper();
- ret();
- L(floatOneStorage); df(1.0f);
- }
-
- void df(float f) {
- union { float f; uint32_t x; } pun = {f};
- dd(pun.x);
- }
- void dp(void* p) {
- union { void* p; uint64_t x; } pun = {p};
- dq(pun.x);
- }
-
- void trap() {
- dw(0x0b0f);
- }
- };
-
-} // namespace
-
-std::function<void(size_t, size_t, size_t)> SkRasterPipeline::jit() const {
- try {
- if (auto pipeline = Pipeline::Create(fStages.data(), SkToInt(fStages.size()))) {
- return [pipeline] (size_t x, size_t y, size_t n) {
- auto call = pipeline->getCode<void(*)(size_t, size_t, size_t)>();
- //printf("fn addr: %p\n", (void*)call);
- call(x,y,n);
- };
- }
-#if 0
- SkDebugf("Cannot yet JIT with xbyak:\n");
- this->dump();
-#endif
- return nullptr;
- } catch(...) {
- SkDebugf("caught exception\n");
- return nullptr;
- }
-}
projects / platform / upstream / libSkiaSharp.git / commitdiff