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Unified Diff: skia/sgl/SkSpriteBlitter_RGB16.cpp

Issue 113827: Remove the remainder of the skia source code from the Chromium repo.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 11 years, 7 months ago
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Index: skia/sgl/SkSpriteBlitter_RGB16.cpp
===================================================================
--- skia/sgl/SkSpriteBlitter_RGB16.cpp (revision 16859)
+++ skia/sgl/SkSpriteBlitter_RGB16.cpp (working copy)
@@ -1,320 +0,0 @@
-/* libs/graphics/sgl/SkSpriteBlitter_RGB16.cpp
-**
-** 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 "SkSpriteBlitter.h"
-#include "SkBlitRow.h"
-#include "SkTemplates.h"
-#include "SkUtils.h"
-#include "SkColorPriv.h"
-
-#define D16_S32A_Opaque_Pixel(dst, sc) \
-do { \
- if (sc) { \
- *dst = SkSrcOver32To16(sc, *dst); \
- } \
-} while (0)
-
-static inline void D16_S32A_Blend_Pixel_helper(uint16_t* dst, SkPMColor sc,
- unsigned src_scale) {
- uint16_t dc = *dst;
- unsigned sa = SkGetPackedA32(sc);
- unsigned dr, dg, db;
-
- if (255 == sa) {
- dr = SkAlphaBlend(SkPacked32ToR16(sc), SkGetPackedR16(dc), src_scale);
- dg = SkAlphaBlend(SkPacked32ToG16(sc), SkGetPackedG16(dc), src_scale);
- db = SkAlphaBlend(SkPacked32ToB16(sc), SkGetPackedB16(dc), src_scale);
- } else {
- unsigned dst_scale = 255 - SkAlphaMul(sa, src_scale);
- dr = (SkPacked32ToR16(sc) * src_scale +
- SkGetPackedR16(dc) * dst_scale) >> 8;
- dg = (SkPacked32ToG16(sc) * src_scale +
- SkGetPackedG16(dc) * dst_scale) >> 8;
- db = (SkPacked32ToB16(sc) * src_scale +
- SkGetPackedB16(dc) * dst_scale) >> 8;
- }
- *dst = SkPackRGB16(dr, dg, db);
-}
-
-#define D16_S32A_Blend_Pixel(dst, sc, src_scale) \
- do { if (sc) D16_S32A_Blend_Pixel_helper(dst, sc, src_scale); } while (0)
-
-
-///////////////////////////////////////////////////////////////////////////////
-
-class Sprite_D16_S16_Opaque : public SkSpriteBlitter {
-public:
- Sprite_D16_S16_Opaque(const SkBitmap& source)
- : SkSpriteBlitter(source) {}
-
- // overrides
- virtual void blitRect(int x, int y, int width, int height) {
- SK_RESTRICT uint16_t* dst = fDevice->getAddr16(x, y);
- const SK_RESTRICT uint16_t* src = fSource->getAddr16(x - fLeft,
- y - fTop);
- unsigned dstRB = fDevice->rowBytes();
- unsigned srcRB = fSource->rowBytes();
-
- while (--height >= 0) {
- memcpy(dst, src, width << 1);
- dst = (uint16_t*)((char*)dst + dstRB);
- src = (const uint16_t*)((const char*)src + srcRB);
- }
- }
-};
-
-#define D16_S16_Blend_Pixel(dst, sc, scale) \
- do { \
- uint16_t dc = *dst; \
- *dst = SkBlendRGB16(sc, dc, scale); \
- } while (0)
-
-#define SkSPRITE_CLASSNAME Sprite_D16_S16_Blend
-#define SkSPRITE_ARGS , uint8_t alpha
-#define SkSPRITE_FIELDS uint8_t fSrcAlpha;
-#define SkSPRITE_INIT fSrcAlpha = alpha;
-#define SkSPRITE_DST_TYPE uint16_t
-#define SkSPRITE_SRC_TYPE uint16_t
-#define SkSPRITE_DST_GETADDR getAddr16
-#define SkSPRITE_SRC_GETADDR getAddr16
-#define SkSPRITE_PREAMBLE(srcBM, x, y) int scale = SkAlpha255To256(fSrcAlpha);
-#define SkSPRITE_BLIT_PIXEL(dst, src) D16_S16_Blend_Pixel(dst, src, scale)
-#define SkSPRITE_NEXT_ROW
-#define SkSPRITE_POSTAMBLE(srcBM)
-#include "SkSpriteBlitterTemplate.h"
-
-///////////////////////////////////////////////////////////////////////////////
-
-#define D16_S4444_Opaque(dst, sc) \
- do { \
- uint16_t dc = *dst; \
- *dst = SkSrcOver4444To16(sc, dc); \
- } while (0)
-
-#define SkSPRITE_CLASSNAME Sprite_D16_S4444_Opaque
-#define SkSPRITE_ARGS
-#define SkSPRITE_FIELDS
-#define SkSPRITE_INIT
-#define SkSPRITE_DST_TYPE uint16_t
-#define SkSPRITE_SRC_TYPE SkPMColor16
-#define SkSPRITE_DST_GETADDR getAddr16
-#define SkSPRITE_SRC_GETADDR getAddr16
-#define SkSPRITE_PREAMBLE(srcBM, x, y)
-#define SkSPRITE_BLIT_PIXEL(dst, src) D16_S4444_Opaque(dst, src)
-#define SkSPRITE_NEXT_ROW
-#define SkSPRITE_POSTAMBLE(srcBM)
-#include "SkSpriteBlitterTemplate.h"
-
-#define D16_S4444_Blend(dst, sc, scale16) \
- do { \
- uint16_t dc = *dst; \
- *dst = SkBlend4444To16(sc, dc, scale16); \
- } while (0)
-
-
-#define SkSPRITE_CLASSNAME Sprite_D16_S4444_Blend
-#define SkSPRITE_ARGS , uint8_t alpha
-#define SkSPRITE_FIELDS uint8_t fSrcAlpha;
-#define SkSPRITE_INIT fSrcAlpha = alpha;
-#define SkSPRITE_DST_TYPE uint16_t
-#define SkSPRITE_SRC_TYPE uint16_t
-#define SkSPRITE_DST_GETADDR getAddr16
-#define SkSPRITE_SRC_GETADDR getAddr16
-#define SkSPRITE_PREAMBLE(srcBM, x, y) int scale = SkAlpha15To16(fSrcAlpha);
-#define SkSPRITE_BLIT_PIXEL(dst, src) D16_S4444_Blend(dst, src, scale)
-#define SkSPRITE_NEXT_ROW
-#define SkSPRITE_POSTAMBLE(srcBM)
-#include "SkSpriteBlitterTemplate.h"
-
-///////////////////////////////////////////////////////////////////////////////
-
-#define SkSPRITE_CLASSNAME Sprite_D16_SIndex8A_Opaque
-#define SkSPRITE_ARGS
-#define SkSPRITE_FIELDS
-#define SkSPRITE_INIT
-#define SkSPRITE_DST_TYPE uint16_t
-#define SkSPRITE_SRC_TYPE uint8_t
-#define SkSPRITE_DST_GETADDR getAddr16
-#define SkSPRITE_SRC_GETADDR getAddr8
-#define SkSPRITE_PREAMBLE(srcBM, x, y) const SkPMColor* ctable = srcBM.getColorTable()->lockColors()
-#define SkSPRITE_BLIT_PIXEL(dst, src) D16_S32A_Opaque_Pixel(dst, ctable[src])
-#define SkSPRITE_NEXT_ROW
-#define SkSPRITE_POSTAMBLE(srcBM) srcBM.getColorTable()->unlockColors(false)
-#include "SkSpriteBlitterTemplate.h"
-
-#define SkSPRITE_CLASSNAME Sprite_D16_SIndex8A_Blend
-#define SkSPRITE_ARGS , uint8_t alpha
-#define SkSPRITE_FIELDS uint8_t fSrcAlpha;
-#define SkSPRITE_INIT fSrcAlpha = alpha;
-#define SkSPRITE_DST_TYPE uint16_t
-#define SkSPRITE_SRC_TYPE uint8_t
-#define SkSPRITE_DST_GETADDR getAddr16
-#define SkSPRITE_SRC_GETADDR getAddr8
-#define SkSPRITE_PREAMBLE(srcBM, x, y) const SkPMColor* ctable = srcBM.getColorTable()->lockColors(); unsigned src_scale = SkAlpha255To256(fSrcAlpha);
-#define SkSPRITE_BLIT_PIXEL(dst, src) D16_S32A_Blend_Pixel(dst, ctable[src], src_scale)
-#define SkSPRITE_NEXT_ROW
-#define SkSPRITE_POSTAMBLE(srcBM) srcBM.getColorTable()->unlockColors(false);
-#include "SkSpriteBlitterTemplate.h"
-
-///////////////////////////////////////////////////////////////////////////////
-
-#define SkSPRITE_CLASSNAME Sprite_D16_SIndex8_Opaque
-#define SkSPRITE_ARGS
-#define SkSPRITE_FIELDS
-#define SkSPRITE_INIT
-#define SkSPRITE_DST_TYPE uint16_t
-#define SkSPRITE_SRC_TYPE uint8_t
-#define SkSPRITE_DST_GETADDR getAddr16
-#define SkSPRITE_SRC_GETADDR getAddr8
-#define SkSPRITE_PREAMBLE(srcBM, x, y) const uint16_t* ctable = srcBM.getColorTable()->lock16BitCache()
-#define SkSPRITE_BLIT_PIXEL(dst, src) *dst = ctable[src]
-#define SkSPRITE_NEXT_ROW
-#define SkSPRITE_POSTAMBLE(srcBM) srcBM.getColorTable()->unlock16BitCache()
-#include "SkSpriteBlitterTemplate.h"
-
-#define SkSPRITE_CLASSNAME Sprite_D16_SIndex8_Blend
-#define SkSPRITE_ARGS , uint8_t alpha
-#define SkSPRITE_FIELDS uint8_t fSrcAlpha;
-#define SkSPRITE_INIT fSrcAlpha = alpha;
-#define SkSPRITE_DST_TYPE uint16_t
-#define SkSPRITE_SRC_TYPE uint8_t
-#define SkSPRITE_DST_GETADDR getAddr16
-#define SkSPRITE_SRC_GETADDR getAddr8
-#define SkSPRITE_PREAMBLE(srcBM, x, y) const uint16_t* ctable = srcBM.getColorTable()->lock16BitCache(); unsigned src_scale = SkAlpha255To256(fSrcAlpha);
-#define SkSPRITE_BLIT_PIXEL(dst, src) D16_S16_Blend_Pixel(dst, ctable[src], src_scale)
-#define SkSPRITE_NEXT_ROW
-#define SkSPRITE_POSTAMBLE(srcBM) srcBM.getColorTable()->unlock16BitCache();
-#include "SkSpriteBlitterTemplate.h"
-
-///////////////////////////////////////////////////////////////////////////////
-
-class Sprite_D16_S32_BlitRowProc : public SkSpriteBlitter {
-public:
- Sprite_D16_S32_BlitRowProc(const SkBitmap& source)
- : SkSpriteBlitter(source) {}
-
- // overrides
-
- virtual void setup(const SkBitmap& device, int left, int top,
- const SkPaint& paint) {
- this->INHERITED::setup(device, left, top, paint);
-
- unsigned flags = 0;
-
- if (paint.getAlpha() < 0xFF) {
- flags |= SkBlitRow::kGlobalAlpha_Flag;
- }
- if (!fSource->isOpaque()) {
- flags |= SkBlitRow::kSrcPixelAlpha_Flag;
- }
- if (paint.isDither()) {
- flags |= SkBlitRow::kDither_Flag;
- }
- fProc = SkBlitRow::Factory(flags, SkBitmap::kRGB_565_Config);
- }
-
- virtual void blitRect(int x, int y, int width, int height) {
- SK_RESTRICT uint16_t* dst = fDevice->getAddr16(x, y);
- const SK_RESTRICT SkPMColor* src = fSource->getAddr32(x - fLeft,
- y - fTop);
- unsigned dstRB = fDevice->rowBytes();
- unsigned srcRB = fSource->rowBytes();
- SkBlitRow::Proc proc = fProc;
- U8CPU alpha = fPaint->getAlpha();
-
- while (--height >= 0) {
- proc(dst, src, width, alpha, x, y);
- y += 1;
- dst = (SK_RESTRICT uint16_t*)((char*)dst + dstRB);
- src = (const SK_RESTRICT SkPMColor*)((const char*)src + srcRB);
- }
- }
-
-private:
- SkBlitRow::Proc fProc;
-
- typedef SkSpriteBlitter INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-#include "SkTemplatesPriv.h"
-
-SkSpriteBlitter* SkSpriteBlitter::ChooseD16(const SkBitmap& source,
- const SkPaint& paint,
- void* storage, size_t storageSize) {
- if (paint.getMaskFilter() != NULL) { // may add cases for this
- return NULL;
- }
- if (paint.getXfermode() != NULL) { // may add cases for this
- return NULL;
- }
- if (paint.getColorFilter() != NULL) { // may add cases for this
- return NULL;
- }
-
- SkSpriteBlitter* blitter = NULL;
- unsigned alpha = paint.getAlpha();
-
- switch (source.getConfig()) {
- case SkBitmap::kARGB_8888_Config:
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_S32_BlitRowProc,
- storage, storageSize, (source));
- break;
- case SkBitmap::kARGB_4444_Config:
- if (255 == alpha) {
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_S4444_Opaque,
- storage, storageSize, (source));
- } else {
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_S4444_Blend,
- storage, storageSize, (source, alpha >> 4));
- }
- break;
- case SkBitmap::kRGB_565_Config:
- if (255 == alpha) {
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_S16_Opaque,
- storage, storageSize, (source));
- } else {
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_S16_Blend,
- storage, storageSize, (source, alpha));
- }
- break;
- case SkBitmap::kIndex8_Config:
- if (source.isOpaque()) {
- if (255 == alpha) {
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_SIndex8_Opaque,
- storage, storageSize, (source));
- } else {
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_SIndex8_Blend,
- storage, storageSize, (source, alpha));
- }
- } else {
- if (255 == alpha) {
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_SIndex8A_Opaque,
- storage, storageSize, (source));
- } else {
- SK_PLACEMENT_NEW_ARGS(blitter, Sprite_D16_SIndex8A_Blend,
- storage, storageSize, (source, alpha));
- }
- }
- break;
- default:
- break;
- }
- return blitter;
-}
-
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