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remove xferu64 gm -- not needed now that the blitters are hooked up

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BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1710283002

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Review URL: https://codereview.chromium.org/1710283002
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reed 2016-02-18 17:11:47 -08:00 committed by Commit bot
parent 4b25cf0bc0
commit b187dd3fb3
1 changed files with 0 additions and 150 deletions
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150
gm/xferu64.cpp
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@ -1,150 +0,0 @@
/*
* 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 "gm.h"
#include "SkCanvas.h"
#include "SkImageInfo.h"
#include "SkXfermode.h"
#include "SkHalf.h"
#include "SkImage.h"
#include "SkPM4f.h"
static SkPMColor f16_to_pmcolor(uint64_t src) {
SkPMColor dst;
const SkHalf* sptr = reinterpret_cast<const SkHalf*>(&src);
uint8_t* dptr = reinterpret_cast<uint8_t*>(&dst);
for (int i = 0; i < 4; ++i) {
float f = SkHalfToFloat(sptr[i]);
dptr[i] = SkToU8((int)(f * 255 + 0.5f));
}
return dst;
}
static SkPMColor u16_to_pmcolor(uint64_t src) {
SkPMColor dst;
const uint16_t* sptr = reinterpret_cast<const uint16_t*>(&src);
uint8_t* dptr = reinterpret_cast<uint8_t*>(&dst);
for (int i = 0; i < 4; ++i) {
dptr[i] = sptr[i] >> 8;
}
return dst;
}
static SkImage* new_u64_image(const SkBitmap& src, uint32_t flags) {
SkBitmap dst;
dst.allocN32Pixels(src.width(), src.height());
SkPixmap srcPM, dstPM;
src.peekPixels(&srcPM);
dst.peekPixels(&dstPM);
for (int y = 0; y < srcPM.height(); ++y) {
for (int x = 0; x < srcPM.width(); ++x) {
uint64_t srcP = *srcPM.addr64(x, y);
uint32_t* dstP = dstPM.writable_addr32(x, y);
if (flags & SkXfermode::kDstIsFloat16_U64Flag) {
*dstP = f16_to_pmcolor(srcP);
} else {
*dstP = u16_to_pmcolor(srcP);
}
}
}
return SkImage::NewRasterCopy(dstPM.info(), dstPM.addr(), dstPM.rowBytes());
}
static void draw_rect(SkCanvas* canvas, const SkRect& r, SkColor c, uint32_t u64_flags,
const SkAlpha aa[]) {
const SkIRect ir = r.round();
const SkImageInfo info = SkImageInfo::Make(ir.width(), ir.height(),
kRGBA_F16_SkColorType, kPremul_SkAlphaType);
SkBitmap bm;
bm.allocPixels(info);
SkPixmap pm;
bm.peekPixels(&pm);
memset(pm.writable_addr(), 0, pm.getSafeSize());
if (SkColorGetA(c) == 0xFF) {
u64_flags |= SkXfermode::kSrcIsOpaque_PM4fFlag;
}
const SkXfermode::U64State state { nullptr, u64_flags };
const SkPM4f src = SkColor4f::FromColor(c).premul();
auto proc1 = SkXfermode::GetU64Proc1(SkXfermode::kSrcOver_Mode, u64_flags);
for (int y = 0; y < ir.height()/2; ++y) {
proc1(state, pm.writable_addr64(0, y), src, ir.width(), aa);
}
SkPM4f buffer[1000];
for (int i = 0; i < ir.width(); ++i) {
buffer[i] = src;
}
auto procN = SkXfermode::GetU64ProcN(SkXfermode::kSrcOver_Mode, u64_flags);
for (int y = ir.height()/2 + 1; y < ir.height(); ++y) {
procN(state, pm.writable_addr64(0, y), buffer, ir.width(), aa);
}
SkAutoTUnref<SkImage> image(new_u64_image(bm, u64_flags));
canvas->drawImage(image, r.left(), r.top(), nullptr);
}
/*
* Test SkXfer4fProcs directly for src-over, comparing them to current SkColor blits.
*/
DEF_SIMPLE_GM(xfer_u64_srcover, canvas, 580, 760) {
const int IW = 50;
const SkScalar W = IW;
const SkScalar H = 100;
const int32_t flags[] = {
-1, // normal
0, // U16 components
SkXfermode::kDstIsFloat16_U64Flag, // F16 components
};
const SkColor colors[] = {
SK_ColorBLACK, SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE,
0x88000000, 0x88FF0000, 0x8800FF00, 0x880000FF
};
uint8_t aa_scanline[IW];
for (int i = 0; i < IW; ++i) {
aa_scanline[i] = i * 255 / (IW - 1);
}
uint8_t const* aa_table[] = { nullptr, aa_scanline };
SkBitmap mask;
mask.installPixels(SkImageInfo::MakeA8(IW, 1), aa_scanline, IW);
canvas->translate(20, 20);
const SkRect r = SkRect::MakeWH(W, H);
for (const uint8_t* aa : aa_table) {
canvas->save();
for (auto flag : flags) {
canvas->save();
for (SkColor c : colors) {
if (flag < 0) {
SkPaint p;
p.setColor(c);
if (aa) {
canvas->drawBitmapRect(mask, r, &p);
} else {
canvas->drawRect(r, p);
}
} else {
draw_rect(canvas, r, c, flag, aa);
}
canvas->translate(W + 20, 0);
}
canvas->restore();
canvas->translate(0, H + 20);
}
canvas->restore();
canvas->translate(0, (H + 20) * SK_ARRAY_COUNT(flags) + 20);
}
}