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authorGravatar reed <reed@google.com>2016-02-18 17:11:47 -0800
committerGravatar Commit bot <commit-bot@chromium.org>2016-02-18 17:11:47 -0800
commitb187dd3fb34a2368a31f1672c917adf068e8a6d3 (patch)
tree0dfdad94cbbf326e246e1e6de963731d6a694447 /gm
parent4b25cf0bc0ee91fdb9351bbdd284f23c0d9919b1 (diff)
remove xferu64 gm -- not needed now that the blitters are hooked up
Diffstat (limited to 'gm')
-rw-r--r--gm/xferu64.cpp150
1 files changed, 0 insertions, 150 deletions
diff --git a/gm/xferu64.cpp b/gm/xferu64.cpp
deleted file mode 100644
index fef1a44b93..0000000000
--- a/gm/xferu64.cpp
+++ /dev/null
@@ -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);
- }
-}