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Unified Diff: skia/sgl/SkBlitRow_D16.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/SkBlitRow_D16.cpp
===================================================================
--- skia/sgl/SkBlitRow_D16.cpp (revision 16859)
+++ skia/sgl/SkBlitRow_D16.cpp (working copy)
@@ -1,258 +0,0 @@
-#include "SkBlitRow.h"
-#include "SkColorPriv.h"
-#include "SkDither.h"
-
-///////////////////////////////////////////////////////////////////////////////
-
-static void S32_D565_Opaque(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src, int count,
- U8CPU alpha, int /*x*/, int /*y*/) {
- SkASSERT(255 == alpha);
-
- if (count > 0) {
- do {
- SkPMColor c = *src++;
- SkPMColorAssert(c);
- SkASSERT(SkGetPackedA32(c) == 255);
- *dst++ = SkPixel32ToPixel16_ToU16(c);
- } while (--count != 0);
- }
-}
-
-static void S32_D565_Blend(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src, int count,
- U8CPU alpha, int /*x*/, int /*y*/) {
- SkASSERT(255 > alpha);
-
- if (count > 0) {
- int scale = SkAlpha255To256(alpha);
- do {
- SkPMColor c = *src++;
- SkPMColorAssert(c);
- SkASSERT(SkGetPackedA32(c) == 255);
- uint16_t d = *dst;
- *dst++ = SkPackRGB16(
- SkAlphaBlend(SkPacked32ToR16(c), SkGetPackedR16(d), scale),
- SkAlphaBlend(SkPacked32ToG16(c), SkGetPackedG16(d), scale),
- SkAlphaBlend(SkPacked32ToB16(c), SkGetPackedB16(d), scale));
- } while (--count != 0);
- }
-}
-
-static void S32A_D565_Opaque(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src, int count,
- U8CPU alpha, int /*x*/, int /*y*/) {
- SkASSERT(255 == alpha);
-
- if (count > 0) {
- do {
- SkPMColor c = *src++;
- SkPMColorAssert(c);
-// if (__builtin_expect(c!=0, 1))
- if (c) {
- *dst = SkSrcOver32To16(c, *dst);
- }
- dst += 1;
- } while (--count != 0);
- }
-}
-
-static void S32A_D565_Blend(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src, int count,
- U8CPU alpha, int /*x*/, int /*y*/) {
- SkASSERT(255 > alpha);
-
- if (count > 0) {
- int src_scale = SkAlpha255To256(alpha);
- do {
- SkPMColor sc = *src++;
- SkPMColorAssert(sc);
- if (sc)
- {
- uint16_t dc = *dst;
- unsigned sa = SkGetPackedA32(sc);
- unsigned dr, dg, db;
-
- if (sa == 255) {
- 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);
- }
- dst += 1;
- } while (--count != 0);
- }
-}
-
-/////////////////////////////////////////////////////////////////////////////
-
-static void S32_D565_Opaque_Dither(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src,
- int count, U8CPU alpha, int x, int y) {
- SkASSERT(255 == alpha);
-
- if (count > 0) {
- DITHER_565_SCAN(y);
- do {
- SkPMColor c = *src++;
- SkPMColorAssert(c);
- SkASSERT(SkGetPackedA32(c) == 255);
-
- unsigned dither = DITHER_VALUE(x);
- *dst++ = SkDitherRGB32To565(c, dither);
- DITHER_INC_X(x);
- } while (--count != 0);
- }
-}
-
-static void S32_D565_Blend_Dither(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src,
- int count, U8CPU alpha, int x, int y) {
- SkASSERT(255 > alpha);
-
- if (count > 0) {
- int scale = SkAlpha255To256(alpha);
- DITHER_565_SCAN(y);
- do {
- SkPMColor c = *src++;
- SkPMColorAssert(c);
- SkASSERT(SkGetPackedA32(c) == 255);
-
- int dither = DITHER_VALUE(x);
- int sr = SkGetPackedR32(c);
- int sg = SkGetPackedG32(c);
- int sb = SkGetPackedB32(c);
- sr = SkDITHER_R32To565(sr, dither);
- sg = SkDITHER_G32To565(sg, dither);
- sb = SkDITHER_B32To565(sb, dither);
-
- uint16_t d = *dst;
- *dst++ = SkPackRGB16(SkAlphaBlend(sr, SkGetPackedR16(d), scale),
- SkAlphaBlend(sg, SkGetPackedG16(d), scale),
- SkAlphaBlend(sb, SkGetPackedB16(d), scale));
- DITHER_INC_X(x);
- } while (--count != 0);
- }
-}
-
-static void S32A_D565_Opaque_Dither(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src,
- int count, U8CPU alpha, int x, int y) {
- SkASSERT(255 == alpha);
-
- if (count > 0) {
- DITHER_565_SCAN(y);
- do {
- SkPMColor c = *src++;
- SkPMColorAssert(c);
- if (c) {
- unsigned a = SkGetPackedA32(c);
-
- int d = SkAlphaMul(DITHER_VALUE(x), SkAlpha255To256(a));
-
- unsigned sr = SkGetPackedR32(c);
- unsigned sg = SkGetPackedG32(c);
- unsigned sb = SkGetPackedB32(c);
- sr = SkDITHER_R32_FOR_565(sr, d);
- sg = SkDITHER_G32_FOR_565(sg, d);
- sb = SkDITHER_B32_FOR_565(sb, d);
-
- uint32_t src_expanded = (sg << 24) | (sr << 13) | (sb << 2);
- uint32_t dst_expanded = SkExpand_rgb_16(*dst);
- dst_expanded = dst_expanded * (SkAlpha255To256(255 - a) >> 3);
- // now src and dst expanded are in g:11 r:10 x:1 b:10
- *dst = SkCompact_rgb_16((src_expanded + dst_expanded) >> 5);
- }
- dst += 1;
- DITHER_INC_X(x);
- } while (--count != 0);
- }
-}
-
-static void S32A_D565_Blend_Dither(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src,
- int count, U8CPU alpha, int x, int y) {
- SkASSERT(255 > alpha);
-
- if (count > 0) {
- int src_scale = SkAlpha255To256(alpha);
- DITHER_565_SCAN(y);
- do {
- SkPMColor c = *src++;
- SkPMColorAssert(c);
- if (c)
- {
- unsigned d = *dst;
- int sa = SkGetPackedA32(c);
- int dst_scale = SkAlpha255To256(255 - SkAlphaMul(sa, src_scale));
- int dither = DITHER_VALUE(x);
-
- int sr = SkGetPackedR32(c);
- int sg = SkGetPackedG32(c);
- int sb = SkGetPackedB32(c);
- sr = SkDITHER_R32To565(sr, dither);
- sg = SkDITHER_G32To565(sg, dither);
- sb = SkDITHER_B32To565(sb, dither);
-
- int dr = (sr * src_scale + SkGetPackedR16(d) * dst_scale) >> 8;
- int dg = (sg * src_scale + SkGetPackedG16(d) * dst_scale) >> 8;
- int db = (sb * src_scale + SkGetPackedB16(d) * dst_scale) >> 8;
-
- *dst = SkPackRGB16(dr, dg, db);
- }
- dst += 1;
- DITHER_INC_X(x);
- } while (--count != 0);
- }
-}
-
-///////////////////////////////////////////////////////////////////////////////
-///////////////////////////////////////////////////////////////////////////////
-
-#ifdef USE_T32CB16BLEND_ASM
- extern "C" void scanline_t32cb16blend_arm(uint16_t*, uint32_t*, size_t);
-#endif
-
-static const SkBlitRow::Proc gProcs16[] = {
- // no dither
- S32_D565_Opaque,
- S32_D565_Blend,
-
-#ifdef USE_T32CB16BLEND_ASM
- (SkBlitRow::Proc)scanline_t32cb16blend_arm,
-#else
- S32A_D565_Opaque,
-#endif
-
- S32A_D565_Blend,
-
- // dither
- S32_D565_Opaque_Dither,
- S32_D565_Blend_Dither,
-
- S32A_D565_Opaque_Dither,
- S32A_D565_Blend_Dither
-};
-
-extern SkBlitRow::Proc SkBlitRow_Factory_4444(unsigned flags);
-
-SkBlitRow::Proc SkBlitRow::Factory(unsigned flags, SkBitmap::Config config) {
- SkASSERT(flags < SK_ARRAY_COUNT(gProcs16));
-
- switch (config) {
- case SkBitmap::kRGB_565_Config:
- return gProcs16[flags];
- case SkBitmap::kARGB_4444_Config:
- return SkBlitRow_Factory_4444(flags);
- default:
- break;
- }
- return NULL;
-}
-
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