| Index: skia/sgl/SkBlitBWMaskTemplate.h
|
| ===================================================================
|
| --- skia/sgl/SkBlitBWMaskTemplate.h (revision 16859)
|
| +++ skia/sgl/SkBlitBWMaskTemplate.h (working copy)
|
| @@ -1,137 +0,0 @@
|
| -/* libs/graphics/sgl/SkBlitBWMaskTemplate.h
|
| -**
|
| -** Copyright 2006, The Android Open Source Project
|
| -**
|
| -** Licensed under the Apache License, Version 2.0 (the "License");
|
| -** you may not use this file except in compliance with the License.
|
| -** You may obtain a copy of the License at
|
| -**
|
| -** http://www.apache.org/licenses/LICENSE-2.0
|
| -**
|
| -** Unless required by applicable law or agreed to in writing, software
|
| -** distributed under the License is distributed on an "AS IS" BASIS,
|
| -** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| -** See the License for the specific language governing permissions and
|
| -** limitations under the License.
|
| -*/
|
| -
|
| -#include "SkBitmap.h"
|
| -#include "SkMask.h"
|
| -
|
| -#ifndef ClearLow3Bits_DEFINED
|
| -#define ClearLow3Bits_DEFINED
|
| - #define ClearLow3Bits(x) ((unsigned)(x) >> 3 << 3)
|
| -#endif
|
| -
|
| -/*
|
| - SK_BLITBWMASK_NAME name of function(const SkBitmap& bitmap, const SkMask& mask, const SkIRect& clip, SK_BLITBWMASK_ARGS)
|
| - SK_BLITBWMASK_ARGS list of additional arguments to SK_BLITBWMASK_NAME, beginning with a comma
|
| - SK_BLITBWMASK_BLIT8 name of function(U8CPU byteMask, SK_BLITBWMASK_DEVTYPE* dst, int x, int y)
|
| - SK_BLITBWMASK_GETADDR either getAddr32 or getAddr16 or getAddr8
|
| - SK_BLITBWMASK_DEVTYPE either U32 or U16 or U8
|
| -*/
|
| -
|
| -static void SK_BLITBWMASK_NAME(const SkBitmap& bitmap, const SkMask& srcMask, const SkIRect& clip SK_BLITBWMASK_ARGS)
|
| -{
|
| - SkASSERT(clip.fRight <= srcMask.fBounds.fRight);
|
| -
|
| - int cx = clip.fLeft;
|
| - int cy = clip.fTop;
|
| - int maskLeft = srcMask.fBounds.fLeft;
|
| - unsigned mask_rowBytes = srcMask.fRowBytes;
|
| - unsigned bitmap_rowBytes = bitmap.rowBytes();
|
| - unsigned height = clip.height();
|
| -
|
| - SkASSERT(mask_rowBytes != 0);
|
| - SkASSERT(bitmap_rowBytes != 0);
|
| - SkASSERT(height != 0);
|
| -
|
| - const uint8_t* bits = srcMask.getAddr1(cx, cy);
|
| - SK_BLITBWMASK_DEVTYPE* device = bitmap.SK_BLITBWMASK_GETADDR(cx, cy);
|
| -
|
| - if (cx == maskLeft && clip.fRight == srcMask.fBounds.fRight)
|
| - {
|
| - do {
|
| - SK_BLITBWMASK_DEVTYPE* dst = device;
|
| - unsigned rb = mask_rowBytes;
|
| - do {
|
| - U8CPU mask = *bits++;
|
| - SK_BLITBWMASK_BLIT8(mask, dst);
|
| - dst += 8;
|
| - } while (--rb != 0);
|
| - device = (SK_BLITBWMASK_DEVTYPE*)((char*)device + bitmap_rowBytes);
|
| - } while (--height != 0);
|
| - }
|
| - else
|
| - {
|
| - int left_edge = cx - maskLeft;
|
| - SkASSERT(left_edge >= 0);
|
| - int rite_edge = clip.fRight - maskLeft;
|
| - SkASSERT(rite_edge > left_edge);
|
| -
|
| - int left_mask = 0xFF >> (left_edge & 7);
|
| - int rite_mask = 0xFF << (8 - (rite_edge & 7));
|
| - int full_runs = (rite_edge >> 3) - ((left_edge + 7) >> 3);
|
| -
|
| - // check for empty right mask, so we don't read off the end (or go slower than we need to)
|
| - if (rite_mask == 0)
|
| - {
|
| - SkASSERT(full_runs >= 0);
|
| - full_runs -= 1;
|
| - rite_mask = 0xFF;
|
| - }
|
| - if (left_mask == 0xFF)
|
| - full_runs -= 1;
|
| -
|
| - // back up manually so we can keep in sync with our byte-aligned src
|
| - // and not trigger an assert from the getAddr## function
|
| - device -= left_edge & 7;
|
| - // have cx reflect our actual starting x-coord
|
| - cx -= left_edge & 7;
|
| -
|
| - if (full_runs < 0)
|
| - {
|
| - left_mask &= rite_mask;
|
| - SkASSERT(left_mask != 0);
|
| - do {
|
| - U8CPU mask = *bits & left_mask;
|
| - SK_BLITBWMASK_BLIT8(mask, device);
|
| - bits += mask_rowBytes;
|
| - device = (SK_BLITBWMASK_DEVTYPE*)((char*)device + bitmap_rowBytes);
|
| - } while (--height != 0);
|
| - }
|
| - else
|
| - {
|
| - do {
|
| - int runs = full_runs;
|
| - SK_BLITBWMASK_DEVTYPE* dst = device;
|
| - const uint8_t* b = bits;
|
| - U8CPU mask;
|
| -
|
| - mask = *b++ & left_mask;
|
| - SK_BLITBWMASK_BLIT8(mask, dst);
|
| - dst += 8;
|
| -
|
| - while (--runs >= 0)
|
| - {
|
| - mask = *b++;
|
| - SK_BLITBWMASK_BLIT8(mask, dst);
|
| - dst += 8;
|
| - }
|
| -
|
| - mask = *b & rite_mask;
|
| - SK_BLITBWMASK_BLIT8(mask, dst);
|
| -
|
| - bits += mask_rowBytes;
|
| - device = (SK_BLITBWMASK_DEVTYPE*)((char*)device + bitmap_rowBytes);
|
| - } while (--height != 0);
|
| - }
|
| - }
|
| -}
|
| -
|
| -#undef SK_BLITBWMASK_NAME
|
| -#undef SK_BLITBWMASK_ARGS
|
| -#undef SK_BLITBWMASK_BLIT8
|
| -#undef SK_BLITBWMASK_GETADDR
|
| -#undef SK_BLITBWMASK_DEVTYPE
|
| -#undef SK_BLITBWMASK_DOROWSETUP
|
|
|