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; |
-} |
- |