epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2006 The Android Open Source Project |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 9 | |
| 10 | #include "SkBlitRow.h" |
| 11 | #include "SkCoreBlitters.h" |
| 12 | #include "SkColorPriv.h" |
| 13 | #include "SkDither.h" |
| 14 | #include "SkShader.h" |
| 15 | #include "SkUtils.h" |
djsollen@google.com | e552dc8 | 2014-03-21 13:13:22 +0000 | [diff] [blame] | 16 | #include "SkUtilsArm.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 17 | #include "SkXfermode.h" |
| 18 | |
djordje.pesut | 6336f7c | 2014-07-14 07:48:11 -0700 | [diff] [blame] | 19 | #if SK_MIPS_HAS_DSP |
| 20 | extern void blitmask_d565_opaque_mips(int width, int height, uint16_t* device, |
| 21 | unsigned deviceRB, const uint8_t* alpha, |
| 22 | uint32_t expanded32, unsigned maskRB); |
| 23 | #endif |
| 24 | |
commit-bot@chromium.org | 89351ec | 2014-03-20 18:37:06 +0000 | [diff] [blame] | 25 | #if SK_ARM_NEON_IS_ALWAYS && defined(SK_CPU_LENDIAN) |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 26 | #include <arm_neon.h> |
| 27 | #else |
| 28 | // if we don't have neon, then our black blitter is worth the extra code |
| 29 | #define USE_BLACK_BLITTER |
| 30 | #endif |
| 31 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 32 | void sk_dither_memset16(uint16_t dst[], uint16_t value, uint16_t other, |
| 33 | int count) { |
| 34 | if (count > 0) { |
| 35 | // see if we need to write one short before we can cast to an 4byte ptr |
| 36 | // (we do this subtract rather than (unsigned)dst so we don't get warnings |
| 37 | // on 64bit machines) |
| 38 | if (((char*)dst - (char*)0) & 2) { |
| 39 | *dst++ = value; |
| 40 | count -= 1; |
| 41 | SkTSwap(value, other); |
| 42 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 43 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 44 | // fast way to set [value,other] pairs |
| 45 | #ifdef SK_CPU_BENDIAN |
| 46 | sk_memset32((uint32_t*)dst, (value << 16) | other, count >> 1); |
| 47 | #else |
| 48 | sk_memset32((uint32_t*)dst, (other << 16) | value, count >> 1); |
| 49 | #endif |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 50 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 51 | if (count & 1) { |
| 52 | dst[count - 1] = value; |
| 53 | } |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | /////////////////////////////////////////////////////////////////////////////// |
| 58 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 59 | class SkRGB16_Blitter : public SkRasterBlitter { |
| 60 | public: |
| 61 | SkRGB16_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 62 | virtual void blitH(int x, int y, int width); |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 63 | virtual void blitAntiH(int x, int y, const SkAlpha* antialias, |
| 64 | const int16_t* runs); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 65 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| 66 | virtual void blitRect(int x, int y, int width, int height); |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 67 | virtual void blitMask(const SkMask&, |
| 68 | const SkIRect&); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 69 | virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 70 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 71 | protected: |
| 72 | SkPMColor fSrcColor32; |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 73 | uint32_t fExpandedRaw16; |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 74 | unsigned fScale; |
| 75 | uint16_t fColor16; // already scaled by fScale |
| 76 | uint16_t fRawColor16; // unscaled |
| 77 | uint16_t fRawDither16; // unscaled |
| 78 | SkBool8 fDoDither; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 79 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 80 | // illegal |
| 81 | SkRGB16_Blitter& operator=(const SkRGB16_Blitter&); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 82 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 83 | typedef SkRasterBlitter INHERITED; |
| 84 | }; |
| 85 | |
| 86 | class SkRGB16_Opaque_Blitter : public SkRGB16_Blitter { |
| 87 | public: |
| 88 | SkRGB16_Opaque_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 89 | virtual void blitH(int x, int y, int width); |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 90 | virtual void blitAntiH(int x, int y, const SkAlpha* antialias, |
| 91 | const int16_t* runs); |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 92 | virtual void blitV(int x, int y, int height, SkAlpha alpha); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 93 | virtual void blitRect(int x, int y, int width, int height); |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 94 | virtual void blitMask(const SkMask&, |
| 95 | const SkIRect&); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 96 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 97 | private: |
| 98 | typedef SkRGB16_Blitter INHERITED; |
| 99 | }; |
| 100 | |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 101 | #ifdef USE_BLACK_BLITTER |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 102 | class SkRGB16_Black_Blitter : public SkRGB16_Opaque_Blitter { |
| 103 | public: |
| 104 | SkRGB16_Black_Blitter(const SkBitmap& device, const SkPaint& paint); |
| 105 | virtual void blitMask(const SkMask&, const SkIRect&); |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 106 | virtual void blitAntiH(int x, int y, const SkAlpha* antialias, |
| 107 | const int16_t* runs); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 108 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 109 | private: |
| 110 | typedef SkRGB16_Opaque_Blitter INHERITED; |
| 111 | }; |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 112 | #endif |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 113 | |
| 114 | class SkRGB16_Shader_Blitter : public SkShaderBlitter { |
| 115 | public: |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 116 | SkRGB16_Shader_Blitter(const SkBitmap& device, const SkPaint& paint, |
| 117 | SkShader::Context* shaderContext); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 118 | virtual ~SkRGB16_Shader_Blitter(); |
| 119 | virtual void blitH(int x, int y, int width); |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 120 | virtual void blitAntiH(int x, int y, const SkAlpha* antialias, |
| 121 | const int16_t* runs); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 122 | virtual void blitRect(int x, int y, int width, int height); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 123 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 124 | protected: |
| 125 | SkPMColor* fBuffer; |
| 126 | SkBlitRow::Proc fOpaqueProc; |
| 127 | SkBlitRow::Proc fAlphaProc; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 128 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 129 | private: |
| 130 | // illegal |
| 131 | SkRGB16_Shader_Blitter& operator=(const SkRGB16_Shader_Blitter&); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 132 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 133 | typedef SkShaderBlitter INHERITED; |
| 134 | }; |
| 135 | |
| 136 | // used only if the shader can perform shadSpan16 |
| 137 | class SkRGB16_Shader16_Blitter : public SkRGB16_Shader_Blitter { |
| 138 | public: |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 139 | SkRGB16_Shader16_Blitter(const SkBitmap& device, const SkPaint& paint, |
| 140 | SkShader::Context* shaderContext); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 141 | virtual void blitH(int x, int y, int width); |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 142 | virtual void blitAntiH(int x, int y, const SkAlpha* antialias, |
| 143 | const int16_t* runs); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 144 | virtual void blitRect(int x, int y, int width, int height); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 145 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 146 | private: |
| 147 | typedef SkRGB16_Shader_Blitter INHERITED; |
| 148 | }; |
| 149 | |
| 150 | class SkRGB16_Shader_Xfermode_Blitter : public SkShaderBlitter { |
| 151 | public: |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 152 | SkRGB16_Shader_Xfermode_Blitter(const SkBitmap& device, const SkPaint& paint, |
| 153 | SkShader::Context* shaderContext); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 154 | virtual ~SkRGB16_Shader_Xfermode_Blitter(); |
| 155 | virtual void blitH(int x, int y, int width); |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 156 | virtual void blitAntiH(int x, int y, const SkAlpha* antialias, |
| 157 | const int16_t* runs); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 158 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 159 | private: |
| 160 | SkXfermode* fXfermode; |
| 161 | SkPMColor* fBuffer; |
| 162 | uint8_t* fAAExpand; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 163 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 164 | // illegal |
| 165 | SkRGB16_Shader_Xfermode_Blitter& operator=(const SkRGB16_Shader_Xfermode_Blitter&); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 166 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 167 | typedef SkShaderBlitter INHERITED; |
| 168 | }; |
| 169 | |
| 170 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 171 | #ifdef USE_BLACK_BLITTER |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 172 | SkRGB16_Black_Blitter::SkRGB16_Black_Blitter(const SkBitmap& device, const SkPaint& paint) |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 173 | : INHERITED(device, paint) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 174 | SkASSERT(paint.getShader() == NULL); |
| 175 | SkASSERT(paint.getColorFilter() == NULL); |
| 176 | SkASSERT(paint.getXfermode() == NULL); |
| 177 | SkASSERT(paint.getColor() == SK_ColorBLACK); |
| 178 | } |
| 179 | |
| 180 | #if 1 |
| 181 | #define black_8_pixels(mask, dst) \ |
| 182 | do { \ |
| 183 | if (mask & 0x80) dst[0] = 0; \ |
| 184 | if (mask & 0x40) dst[1] = 0; \ |
| 185 | if (mask & 0x20) dst[2] = 0; \ |
| 186 | if (mask & 0x10) dst[3] = 0; \ |
| 187 | if (mask & 0x08) dst[4] = 0; \ |
| 188 | if (mask & 0x04) dst[5] = 0; \ |
| 189 | if (mask & 0x02) dst[6] = 0; \ |
| 190 | if (mask & 0x01) dst[7] = 0; \ |
| 191 | } while (0) |
| 192 | #else |
| 193 | static inline black_8_pixels(U8CPU mask, uint16_t dst[]) |
| 194 | { |
| 195 | if (mask & 0x80) dst[0] = 0; |
| 196 | if (mask & 0x40) dst[1] = 0; |
| 197 | if (mask & 0x20) dst[2] = 0; |
| 198 | if (mask & 0x10) dst[3] = 0; |
| 199 | if (mask & 0x08) dst[4] = 0; |
| 200 | if (mask & 0x04) dst[5] = 0; |
| 201 | if (mask & 0x02) dst[6] = 0; |
| 202 | if (mask & 0x01) dst[7] = 0; |
| 203 | } |
| 204 | #endif |
| 205 | |
| 206 | #define SK_BLITBWMASK_NAME SkRGB16_Black_BlitBW |
| 207 | #define SK_BLITBWMASK_ARGS |
| 208 | #define SK_BLITBWMASK_BLIT8(mask, dst) black_8_pixels(mask, dst) |
| 209 | #define SK_BLITBWMASK_GETADDR getAddr16 |
| 210 | #define SK_BLITBWMASK_DEVTYPE uint16_t |
| 211 | #include "SkBlitBWMaskTemplate.h" |
| 212 | |
tomhudson@google.com | 333d6cb | 2011-07-12 19:19:03 +0000 | [diff] [blame] | 213 | void SkRGB16_Black_Blitter::blitMask(const SkMask& mask, |
| 214 | const SkIRect& clip) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 215 | if (mask.fFormat == SkMask::kBW_Format) { |
| 216 | SkRGB16_Black_BlitBW(fDevice, mask, clip); |
| 217 | } else { |
| 218 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(clip.fLeft, clip.fTop); |
reed@google.com | 7989186 | 2011-10-18 15:44:57 +0000 | [diff] [blame] | 219 | const uint8_t* SK_RESTRICT alpha = mask.getAddr8(clip.fLeft, clip.fTop); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 220 | unsigned width = clip.width(); |
| 221 | unsigned height = clip.height(); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame] | 222 | size_t deviceRB = fDevice.rowBytes() - (width << 1); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 223 | unsigned maskRB = mask.fRowBytes - width; |
| 224 | |
| 225 | SkASSERT((int)height > 0); |
| 226 | SkASSERT((int)width > 0); |
| 227 | SkASSERT((int)deviceRB >= 0); |
| 228 | SkASSERT((int)maskRB >= 0); |
| 229 | |
| 230 | do { |
| 231 | unsigned w = width; |
| 232 | do { |
| 233 | unsigned aa = *alpha++; |
| 234 | *device = SkAlphaMulRGB16(*device, SkAlpha255To256(255 - aa)); |
| 235 | device += 1; |
| 236 | } while (--w != 0); |
| 237 | device = (uint16_t*)((char*)device + deviceRB); |
| 238 | alpha += maskRB; |
| 239 | } while (--height != 0); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | void SkRGB16_Black_Blitter::blitAntiH(int x, int y, |
| 244 | const SkAlpha* SK_RESTRICT antialias, |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 245 | const int16_t* SK_RESTRICT runs) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 246 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
| 247 | |
| 248 | for (;;) { |
| 249 | int count = runs[0]; |
| 250 | SkASSERT(count >= 0); |
| 251 | if (count <= 0) { |
| 252 | return; |
| 253 | } |
| 254 | runs += count; |
| 255 | |
| 256 | unsigned aa = antialias[0]; |
| 257 | antialias += count; |
| 258 | if (aa) { |
| 259 | if (aa == 255) { |
| 260 | memset(device, 0, count << 1); |
| 261 | } else { |
| 262 | aa = SkAlpha255To256(255 - aa); |
| 263 | do { |
| 264 | *device = SkAlphaMulRGB16(*device, aa); |
| 265 | device += 1; |
| 266 | } while (--count != 0); |
| 267 | continue; |
| 268 | } |
| 269 | } |
| 270 | device += count; |
| 271 | } |
| 272 | } |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 273 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 274 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 275 | /////////////////////////////////////////////////////////////////////////////// |
| 276 | /////////////////////////////////////////////////////////////////////////////// |
| 277 | |
| 278 | SkRGB16_Opaque_Blitter::SkRGB16_Opaque_Blitter(const SkBitmap& device, |
| 279 | const SkPaint& paint) |
| 280 | : INHERITED(device, paint) {} |
| 281 | |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 282 | void SkRGB16_Opaque_Blitter::blitH(int x, int y, int width) { |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 283 | SkASSERT(width > 0); |
| 284 | SkASSERT(x + width <= fDevice.width()); |
| 285 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
| 286 | uint16_t srcColor = fColor16; |
reed@android.com | 31d1c64 | 2009-06-15 18:45:19 +0000 | [diff] [blame] | 287 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 288 | SkASSERT(fRawColor16 == srcColor); |
| 289 | if (fDoDither) { |
| 290 | uint16_t ditherColor = fRawDither16; |
| 291 | if ((x ^ y) & 1) { |
| 292 | SkTSwap(ditherColor, srcColor); |
| 293 | } |
| 294 | sk_dither_memset16(device, srcColor, ditherColor, width); |
| 295 | } else { |
| 296 | sk_memset16(device, srcColor, width); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | // return 1 or 0 from a bool |
reed@android.com | 63debae | 2009-12-16 17:25:43 +0000 | [diff] [blame] | 301 | static inline int Bool2Int(int value) { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 302 | return !!value; |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | void SkRGB16_Opaque_Blitter::blitAntiH(int x, int y, |
| 306 | const SkAlpha* SK_RESTRICT antialias, |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 307 | const int16_t* SK_RESTRICT runs) { |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 308 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
| 309 | uint16_t srcColor = fRawColor16; |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 310 | uint32_t srcExpanded = fExpandedRaw16; |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 311 | int ditherInt = Bool2Int(fDoDither); |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 312 | uint16_t ditherColor = fRawDither16; |
| 313 | // if we have no dithering, this will always fail |
| 314 | if ((x ^ y) & ditherInt) { |
| 315 | SkTSwap(ditherColor, srcColor); |
| 316 | } |
| 317 | for (;;) { |
| 318 | int count = runs[0]; |
| 319 | SkASSERT(count >= 0); |
| 320 | if (count <= 0) { |
| 321 | return; |
| 322 | } |
| 323 | runs += count; |
reed@android.com | 31d1c64 | 2009-06-15 18:45:19 +0000 | [diff] [blame] | 324 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 325 | unsigned aa = antialias[0]; |
| 326 | antialias += count; |
| 327 | if (aa) { |
| 328 | if (aa == 255) { |
| 329 | if (ditherInt) { |
| 330 | sk_dither_memset16(device, srcColor, |
| 331 | ditherColor, count); |
| 332 | } else { |
| 333 | sk_memset16(device, srcColor, count); |
| 334 | } |
| 335 | } else { |
| 336 | // TODO: respect fDoDither |
| 337 | unsigned scale5 = SkAlpha255To256(aa) >> 3; |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 338 | uint32_t src32 = srcExpanded * scale5; |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 339 | scale5 = 32 - scale5; // now we can use it on the device |
| 340 | int n = count; |
| 341 | do { |
| 342 | uint32_t dst32 = SkExpand_rgb_16(*device) * scale5; |
| 343 | *device++ = SkCompact_rgb_16((src32 + dst32) >> 5); |
| 344 | } while (--n != 0); |
| 345 | goto DONE; |
| 346 | } |
| 347 | } |
| 348 | device += count; |
reed@android.com | 31d1c64 | 2009-06-15 18:45:19 +0000 | [diff] [blame] | 349 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 350 | DONE: |
| 351 | // if we have no dithering, this will always fail |
| 352 | if (count & ditherInt) { |
| 353 | SkTSwap(ditherColor, srcColor); |
| 354 | } |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | #define solid_8_pixels(mask, dst, color) \ |
| 359 | do { \ |
| 360 | if (mask & 0x80) dst[0] = color; \ |
| 361 | if (mask & 0x40) dst[1] = color; \ |
| 362 | if (mask & 0x20) dst[2] = color; \ |
| 363 | if (mask & 0x10) dst[3] = color; \ |
| 364 | if (mask & 0x08) dst[4] = color; \ |
| 365 | if (mask & 0x04) dst[5] = color; \ |
| 366 | if (mask & 0x02) dst[6] = color; \ |
| 367 | if (mask & 0x01) dst[7] = color; \ |
| 368 | } while (0) |
| 369 | |
| 370 | #define SK_BLITBWMASK_NAME SkRGB16_BlitBW |
| 371 | #define SK_BLITBWMASK_ARGS , uint16_t color |
| 372 | #define SK_BLITBWMASK_BLIT8(mask, dst) solid_8_pixels(mask, dst, color) |
| 373 | #define SK_BLITBWMASK_GETADDR getAddr16 |
| 374 | #define SK_BLITBWMASK_DEVTYPE uint16_t |
| 375 | #include "SkBlitBWMaskTemplate.h" |
| 376 | |
djordje.pesut | 6336f7c | 2014-07-14 07:48:11 -0700 | [diff] [blame] | 377 | #if !defined(SK_MIPS_HAS_DSP) |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 378 | static U16CPU blend_compact(uint32_t src32, uint32_t dst32, unsigned scale5) { |
| 379 | return SkCompact_rgb_16(dst32 + ((src32 - dst32) * scale5 >> 5)); |
| 380 | } |
djordje.pesut | 6336f7c | 2014-07-14 07:48:11 -0700 | [diff] [blame] | 381 | #endif |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 382 | |
tomhudson@google.com | 333d6cb | 2011-07-12 19:19:03 +0000 | [diff] [blame] | 383 | void SkRGB16_Opaque_Blitter::blitMask(const SkMask& mask, |
| 384 | const SkIRect& clip) { |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 385 | if (mask.fFormat == SkMask::kBW_Format) { |
| 386 | SkRGB16_BlitBW(fDevice, mask, clip, fColor16); |
| 387 | return; |
| 388 | } |
reed@android.com | 31d1c64 | 2009-06-15 18:45:19 +0000 | [diff] [blame] | 389 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 390 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(clip.fLeft, clip.fTop); |
reed@google.com | 7989186 | 2011-10-18 15:44:57 +0000 | [diff] [blame] | 391 | const uint8_t* SK_RESTRICT alpha = mask.getAddr8(clip.fLeft, clip.fTop); |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 392 | int width = clip.width(); |
| 393 | int height = clip.height(); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame] | 394 | size_t deviceRB = fDevice.rowBytes() - (width << 1); |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 395 | unsigned maskRB = mask.fRowBytes - width; |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 396 | uint32_t expanded32 = fExpandedRaw16; |
reed@android.com | 31d1c64 | 2009-06-15 18:45:19 +0000 | [diff] [blame] | 397 | |
commit-bot@chromium.org | 89351ec | 2014-03-20 18:37:06 +0000 | [diff] [blame] | 398 | #if SK_ARM_NEON_IS_ALWAYS && defined(SK_CPU_LENDIAN) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 399 | #define UNROLL 8 |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 400 | do { |
| 401 | int w = width; |
| 402 | if (w >= UNROLL) { |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 403 | uint32x4_t color, dev_lo, dev_hi; |
| 404 | uint32x4_t wn1, wn2, tmp; |
| 405 | uint32x4_t vmask_g16, vmask_ng16; |
| 406 | uint16x8_t valpha, vdev; |
| 407 | uint16x4_t odev_lo, odev_hi, valpha_lo, valpha_hi; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 408 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 409 | // prepare constants |
| 410 | vmask_g16 = vdupq_n_u32(SK_G16_MASK_IN_PLACE); |
| 411 | vmask_ng16 = vdupq_n_u32(~SK_G16_MASK_IN_PLACE); |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 412 | color = vdupq_n_u32(expanded32); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 413 | |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 414 | do { |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 415 | // alpha is 8x8, widen and split to get a pair of 16x4 |
| 416 | valpha = vaddw_u8(vdupq_n_u16(1), vld1_u8(alpha)); |
| 417 | valpha = vshrq_n_u16(valpha, 3); |
| 418 | valpha_lo = vget_low_u16(valpha); |
| 419 | valpha_hi = vget_high_u16(valpha); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 420 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 421 | // load pixels |
| 422 | vdev = vld1q_u16(device); |
| 423 | dev_lo = vmovl_u16(vget_low_u16(vdev)); |
| 424 | dev_hi = vmovl_u16(vget_high_u16(vdev)); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 425 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 426 | // unpack them in 32 bits |
| 427 | dev_lo = (dev_lo & vmask_ng16) | vshlq_n_u32(dev_lo & vmask_g16, 16); |
| 428 | dev_hi = (dev_hi & vmask_ng16) | vshlq_n_u32(dev_hi & vmask_g16, 16); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 429 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 430 | // blend with color |
| 431 | tmp = (color - dev_lo) * vmovl_u16(valpha_lo); |
| 432 | tmp = vshrq_n_u32(tmp, 5); |
| 433 | dev_lo += tmp; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 434 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 435 | tmp = vmulq_u32(color - dev_hi, vmovl_u16(valpha_hi)); |
| 436 | tmp = vshrq_n_u32(tmp, 5); |
| 437 | dev_hi += tmp; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 438 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 439 | // re-compact |
| 440 | wn1 = dev_lo & vmask_ng16; |
| 441 | wn2 = vshrq_n_u32(dev_lo, 16) & vmask_g16; |
| 442 | odev_lo = vmovn_u32(wn1 | wn2); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 443 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 444 | wn1 = dev_hi & vmask_ng16; |
| 445 | wn2 = vshrq_n_u32(dev_hi, 16) & vmask_g16; |
| 446 | odev_hi = vmovn_u32(wn1 | wn2); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 447 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 448 | // store |
| 449 | vst1q_u16(device, vcombine_u16(odev_lo, odev_hi)); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 450 | |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 451 | device += UNROLL; |
| 452 | alpha += UNROLL; |
| 453 | w -= UNROLL; |
| 454 | } while (w >= UNROLL); |
| 455 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 456 | |
commit-bot@chromium.org | 641a249 | 2013-08-08 10:51:45 +0000 | [diff] [blame] | 457 | // residuals |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 458 | while (w > 0) { |
| 459 | *device = blend_compact(expanded32, SkExpand_rgb_16(*device), |
| 460 | SkAlpha255To256(*alpha++) >> 3); |
| 461 | device += 1; |
| 462 | --w; |
| 463 | } |
| 464 | device = (uint16_t*)((char*)device + deviceRB); |
| 465 | alpha += maskRB; |
| 466 | } while (--height != 0); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 467 | #undef UNROLL |
djordje.pesut | 6336f7c | 2014-07-14 07:48:11 -0700 | [diff] [blame] | 468 | #elif SK_MIPS_HAS_DSP |
| 469 | blitmask_d565_opaque_mips(width, height, device, deviceRB, alpha, expanded32, maskRB); |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 470 | #else // non-neon code |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 471 | do { |
| 472 | int w = width; |
| 473 | do { |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 474 | *device = blend_compact(expanded32, SkExpand_rgb_16(*device), |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 475 | SkAlpha255To256(*alpha++) >> 3); |
| 476 | device += 1; |
| 477 | } while (--w != 0); |
| 478 | device = (uint16_t*)((char*)device + deviceRB); |
| 479 | alpha += maskRB; |
| 480 | } while (--height != 0); |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 481 | #endif |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 482 | } |
| 483 | |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 484 | void SkRGB16_Opaque_Blitter::blitV(int x, int y, int height, SkAlpha alpha) { |
| 485 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame] | 486 | size_t deviceRB = fDevice.rowBytes(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 487 | |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 488 | // TODO: respect fDoDither |
| 489 | unsigned scale5 = SkAlpha255To256(alpha) >> 3; |
| 490 | uint32_t src32 = fExpandedRaw16 * scale5; |
| 491 | scale5 = 32 - scale5; |
| 492 | do { |
| 493 | uint32_t dst32 = SkExpand_rgb_16(*device) * scale5; |
| 494 | *device = SkCompact_rgb_16((src32 + dst32) >> 5); |
| 495 | device = (uint16_t*)((char*)device + deviceRB); |
| 496 | } while (--height != 0); |
| 497 | } |
| 498 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 499 | void SkRGB16_Opaque_Blitter::blitRect(int x, int y, int width, int height) { |
| 500 | SkASSERT(x + width <= fDevice.width() && y + height <= fDevice.height()); |
| 501 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame] | 502 | size_t deviceRB = fDevice.rowBytes(); |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 503 | uint16_t color16 = fColor16; |
reed@android.com | 31d1c64 | 2009-06-15 18:45:19 +0000 | [diff] [blame] | 504 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 505 | if (fDoDither) { |
| 506 | uint16_t ditherColor = fRawDither16; |
| 507 | if ((x ^ y) & 1) { |
| 508 | SkTSwap(ditherColor, color16); |
| 509 | } |
| 510 | while (--height >= 0) { |
| 511 | sk_dither_memset16(device, color16, ditherColor, width); |
| 512 | SkTSwap(ditherColor, color16); |
| 513 | device = (uint16_t*)((char*)device + deviceRB); |
| 514 | } |
| 515 | } else { // no dither |
| 516 | while (--height >= 0) { |
| 517 | sk_memset16(device, color16, width); |
| 518 | device = (uint16_t*)((char*)device + deviceRB); |
| 519 | } |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 524 | |
| 525 | SkRGB16_Blitter::SkRGB16_Blitter(const SkBitmap& device, const SkPaint& paint) |
| 526 | : INHERITED(device) { |
| 527 | SkColor color = paint.getColor(); |
| 528 | |
| 529 | fSrcColor32 = SkPreMultiplyColor(color); |
| 530 | fScale = SkAlpha255To256(SkColorGetA(color)); |
| 531 | |
| 532 | int r = SkColorGetR(color); |
| 533 | int g = SkColorGetG(color); |
| 534 | int b = SkColorGetB(color); |
| 535 | |
| 536 | fRawColor16 = fRawDither16 = SkPack888ToRGB16(r, g, b); |
| 537 | // if we're dithered, use fRawDither16 to hold that. |
| 538 | if ((fDoDither = paint.isDither()) != false) { |
| 539 | fRawDither16 = SkDitherPack888ToRGB16(r, g, b); |
| 540 | } |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 541 | |
| 542 | fExpandedRaw16 = SkExpand_rgb_16(fRawColor16); |
| 543 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 544 | fColor16 = SkPackRGB16( SkAlphaMul(r, fScale) >> (8 - SK_R16_BITS), |
| 545 | SkAlphaMul(g, fScale) >> (8 - SK_G16_BITS), |
| 546 | SkAlphaMul(b, fScale) >> (8 - SK_B16_BITS)); |
| 547 | } |
| 548 | |
| 549 | const SkBitmap* SkRGB16_Blitter::justAnOpaqueColor(uint32_t* value) { |
| 550 | if (!fDoDither && 256 == fScale) { |
| 551 | *value = fRawColor16; |
| 552 | return &fDevice; |
| 553 | } |
| 554 | return NULL; |
| 555 | } |
| 556 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 557 | static uint32_t pmcolor_to_expand16(SkPMColor c) { |
| 558 | unsigned r = SkGetPackedR32(c); |
| 559 | unsigned g = SkGetPackedG32(c); |
| 560 | unsigned b = SkGetPackedB32(c); |
| 561 | return (g << 24) | (r << 13) | (b << 2); |
| 562 | } |
| 563 | |
| 564 | static inline void blend32_16_row(SkPMColor src, uint16_t dst[], int count) { |
| 565 | SkASSERT(count > 0); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 566 | uint32_t src_expand = pmcolor_to_expand16(src); |
reed@android.com | b602b8e | 2009-07-10 15:58:53 +0000 | [diff] [blame] | 567 | unsigned scale = SkAlpha255To256(0xFF - SkGetPackedA32(src)) >> 3; |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 568 | do { |
| 569 | uint32_t dst_expand = SkExpand_rgb_16(*dst) * scale; |
| 570 | *dst = SkCompact_rgb_16((src_expand + dst_expand) >> 5); |
| 571 | dst += 1; |
| 572 | } while (--count != 0); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 573 | } |
| 574 | |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 575 | void SkRGB16_Blitter::blitH(int x, int y, int width) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 576 | SkASSERT(width > 0); |
| 577 | SkASSERT(x + width <= fDevice.width()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 578 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 579 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 580 | // TODO: respect fDoDither |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 581 | blend32_16_row(fSrcColor32, device, width); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | void SkRGB16_Blitter::blitAntiH(int x, int y, |
| 585 | const SkAlpha* SK_RESTRICT antialias, |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 586 | const int16_t* SK_RESTRICT runs) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 587 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 588 | uint32_t srcExpanded = fExpandedRaw16; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 589 | unsigned scale = fScale; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 590 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 591 | // TODO: respect fDoDither |
| 592 | for (;;) { |
| 593 | int count = runs[0]; |
| 594 | SkASSERT(count >= 0); |
| 595 | if (count <= 0) { |
| 596 | return; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 597 | } |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 598 | runs += count; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 599 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 600 | unsigned aa = antialias[0]; |
| 601 | antialias += count; |
| 602 | if (aa) { |
| 603 | unsigned scale5 = SkAlpha255To256(aa) * scale >> (8 + 3); |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 604 | uint32_t src32 = srcExpanded * scale5; |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 605 | scale5 = 32 - scale5; |
| 606 | do { |
| 607 | uint32_t dst32 = SkExpand_rgb_16(*device) * scale5; |
| 608 | *device++ = SkCompact_rgb_16((src32 + dst32) >> 5); |
| 609 | } while (--count != 0); |
| 610 | continue; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 611 | } |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 612 | device += count; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 613 | } |
| 614 | } |
| 615 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 616 | static inline void blend_8_pixels(U8CPU bw, uint16_t dst[], unsigned dst_scale, |
| 617 | U16CPU srcColor) { |
| 618 | if (bw & 0x80) dst[0] = srcColor + SkAlphaMulRGB16(dst[0], dst_scale); |
| 619 | if (bw & 0x40) dst[1] = srcColor + SkAlphaMulRGB16(dst[1], dst_scale); |
| 620 | if (bw & 0x20) dst[2] = srcColor + SkAlphaMulRGB16(dst[2], dst_scale); |
| 621 | if (bw & 0x10) dst[3] = srcColor + SkAlphaMulRGB16(dst[3], dst_scale); |
| 622 | if (bw & 0x08) dst[4] = srcColor + SkAlphaMulRGB16(dst[4], dst_scale); |
| 623 | if (bw & 0x04) dst[5] = srcColor + SkAlphaMulRGB16(dst[5], dst_scale); |
| 624 | if (bw & 0x02) dst[6] = srcColor + SkAlphaMulRGB16(dst[6], dst_scale); |
| 625 | if (bw & 0x01) dst[7] = srcColor + SkAlphaMulRGB16(dst[7], dst_scale); |
| 626 | } |
| 627 | |
| 628 | #define SK_BLITBWMASK_NAME SkRGB16_BlendBW |
| 629 | #define SK_BLITBWMASK_ARGS , unsigned dst_scale, U16CPU src_color |
| 630 | #define SK_BLITBWMASK_BLIT8(mask, dst) blend_8_pixels(mask, dst, dst_scale, src_color) |
| 631 | #define SK_BLITBWMASK_GETADDR getAddr16 |
| 632 | #define SK_BLITBWMASK_DEVTYPE uint16_t |
| 633 | #include "SkBlitBWMaskTemplate.h" |
| 634 | |
tomhudson@google.com | 333d6cb | 2011-07-12 19:19:03 +0000 | [diff] [blame] | 635 | void SkRGB16_Blitter::blitMask(const SkMask& mask, |
| 636 | const SkIRect& clip) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 637 | if (mask.fFormat == SkMask::kBW_Format) { |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 638 | SkRGB16_BlendBW(fDevice, mask, clip, 256 - fScale, fColor16); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 639 | return; |
| 640 | } |
| 641 | |
| 642 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(clip.fLeft, clip.fTop); |
reed@google.com | 7989186 | 2011-10-18 15:44:57 +0000 | [diff] [blame] | 643 | const uint8_t* SK_RESTRICT alpha = mask.getAddr8(clip.fLeft, clip.fTop); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 644 | int width = clip.width(); |
| 645 | int height = clip.height(); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame] | 646 | size_t deviceRB = fDevice.rowBytes() - (width << 1); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 647 | unsigned maskRB = mask.fRowBytes - width; |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 648 | uint32_t color32 = fExpandedRaw16; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 649 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 650 | unsigned scale256 = fScale; |
| 651 | do { |
| 652 | int w = width; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 653 | do { |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 654 | unsigned aa = *alpha++; |
| 655 | unsigned scale = SkAlpha255To256(aa) * scale256 >> (8 + 3); |
| 656 | uint32_t src32 = color32 * scale; |
| 657 | uint32_t dst32 = SkExpand_rgb_16(*device) * (32 - scale); |
| 658 | *device++ = SkCompact_rgb_16((src32 + dst32) >> 5); |
| 659 | } while (--w != 0); |
| 660 | device = (uint16_t*)((char*)device + deviceRB); |
| 661 | alpha += maskRB; |
| 662 | } while (--height != 0); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | void SkRGB16_Blitter::blitV(int x, int y, int height, SkAlpha alpha) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 666 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame] | 667 | size_t deviceRB = fDevice.rowBytes(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 668 | |
reed@android.com | ea16cfa | 2009-10-02 19:11:02 +0000 | [diff] [blame] | 669 | // TODO: respect fDoDither |
| 670 | unsigned scale5 = SkAlpha255To256(alpha) * fScale >> (8 + 3); |
| 671 | uint32_t src32 = fExpandedRaw16 * scale5; |
| 672 | scale5 = 32 - scale5; |
| 673 | do { |
| 674 | uint32_t dst32 = SkExpand_rgb_16(*device) * scale5; |
| 675 | *device = SkCompact_rgb_16((src32 + dst32) >> 5); |
| 676 | device = (uint16_t*)((char*)device + deviceRB); |
| 677 | } while (--height != 0); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 678 | } |
| 679 | |
| 680 | void SkRGB16_Blitter::blitRect(int x, int y, int width, int height) { |
| 681 | SkASSERT(x + width <= fDevice.width() && y + height <= fDevice.height()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 682 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
scroggo@google.com | e5f4824 | 2013-02-25 21:47:41 +0000 | [diff] [blame] | 683 | size_t deviceRB = fDevice.rowBytes(); |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 684 | SkPMColor src32 = fSrcColor32; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 685 | |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 686 | while (--height >= 0) { |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 687 | blend32_16_row(src32, device, width); |
reed@android.com | 9a74d31 | 2009-06-15 15:56:35 +0000 | [diff] [blame] | 688 | device = (uint16_t*)((char*)device + deviceRB); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 689 | } |
| 690 | } |
| 691 | |
| 692 | /////////////////////////////////////////////////////////////////////////////// |
| 693 | |
| 694 | SkRGB16_Shader16_Blitter::SkRGB16_Shader16_Blitter(const SkBitmap& device, |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 695 | const SkPaint& paint, |
| 696 | SkShader::Context* shaderContext) |
| 697 | : SkRGB16_Shader_Blitter(device, paint, shaderContext) { |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 698 | SkASSERT(SkShader::CanCallShadeSpan16(fShaderFlags)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 699 | } |
| 700 | |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 701 | void SkRGB16_Shader16_Blitter::blitH(int x, int y, int width) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 702 | SkASSERT(x + width <= fDevice.width()); |
| 703 | |
| 704 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 705 | SkShader::Context* shaderContext = fShaderContext; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 706 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 707 | int alpha = shaderContext->getSpan16Alpha(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 708 | if (0xFF == alpha) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 709 | shaderContext->shadeSpan16(x, y, device, width); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 710 | } else { |
| 711 | uint16_t* span16 = (uint16_t*)fBuffer; |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 712 | shaderContext->shadeSpan16(x, y, span16, width); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 713 | SkBlendRGB16(span16, device, SkAlpha255To256(alpha), width); |
| 714 | } |
| 715 | } |
| 716 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 717 | void SkRGB16_Shader16_Blitter::blitRect(int x, int y, int width, int height) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 718 | SkShader::Context* shaderContext = fShaderContext; |
| 719 | uint16_t* dst = fDevice.getAddr16(x, y); |
| 720 | size_t dstRB = fDevice.rowBytes(); |
| 721 | int alpha = shaderContext->getSpan16Alpha(); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 722 | |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 723 | if (0xFF == alpha) { |
reed@android.com | 3c9b2a4 | 2009-08-27 19:28:37 +0000 | [diff] [blame] | 724 | if (fShaderFlags & SkShader::kConstInY16_Flag) { |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 725 | // have the shader blit directly into the device the first time |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 726 | shaderContext->shadeSpan16(x, y, dst, width); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 727 | // and now just memcpy that line on the subsequent lines |
| 728 | if (--height > 0) { |
| 729 | const uint16_t* orig = dst; |
| 730 | do { |
| 731 | dst = (uint16_t*)((char*)dst + dstRB); |
| 732 | memcpy(dst, orig, width << 1); |
| 733 | } while (--height); |
| 734 | } |
| 735 | } else { // need to call shadeSpan16 for every line |
| 736 | do { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 737 | shaderContext->shadeSpan16(x, y, dst, width); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 738 | y += 1; |
| 739 | dst = (uint16_t*)((char*)dst + dstRB); |
| 740 | } while (--height); |
| 741 | } |
| 742 | } else { |
| 743 | int scale = SkAlpha255To256(alpha); |
| 744 | uint16_t* span16 = (uint16_t*)fBuffer; |
reed@android.com | 3c9b2a4 | 2009-08-27 19:28:37 +0000 | [diff] [blame] | 745 | if (fShaderFlags & SkShader::kConstInY16_Flag) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 746 | shaderContext->shadeSpan16(x, y, span16, width); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 747 | do { |
| 748 | SkBlendRGB16(span16, dst, scale, width); |
| 749 | dst = (uint16_t*)((char*)dst + dstRB); |
| 750 | } while (--height); |
| 751 | } else { |
| 752 | do { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 753 | shaderContext->shadeSpan16(x, y, span16, width); |
reed@android.com | dafaf7a | 2009-07-10 03:05:59 +0000 | [diff] [blame] | 754 | SkBlendRGB16(span16, dst, scale, width); |
| 755 | y += 1; |
| 756 | dst = (uint16_t*)((char*)dst + dstRB); |
| 757 | } while (--height); |
| 758 | } |
| 759 | } |
| 760 | } |
| 761 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 762 | void SkRGB16_Shader16_Blitter::blitAntiH(int x, int y, |
| 763 | const SkAlpha* SK_RESTRICT antialias, |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 764 | const int16_t* SK_RESTRICT runs) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 765 | SkShader::Context* shaderContext = fShaderContext; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 766 | SkPMColor* SK_RESTRICT span = fBuffer; |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 767 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 768 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 769 | int alpha = shaderContext->getSpan16Alpha(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 770 | uint16_t* span16 = (uint16_t*)span; |
| 771 | |
| 772 | if (0xFF == alpha) { |
| 773 | for (;;) { |
| 774 | int count = *runs; |
| 775 | if (count <= 0) { |
| 776 | break; |
| 777 | } |
| 778 | SkASSERT(count <= fDevice.width()); // don't overrun fBuffer |
| 779 | |
| 780 | int aa = *antialias; |
| 781 | if (aa == 255) { |
| 782 | // go direct to the device! |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 783 | shaderContext->shadeSpan16(x, y, device, count); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 784 | } else if (aa) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 785 | shaderContext->shadeSpan16(x, y, span16, count); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 786 | SkBlendRGB16(span16, device, SkAlpha255To256(aa), count); |
| 787 | } |
| 788 | device += count; |
| 789 | runs += count; |
| 790 | antialias += count; |
| 791 | x += count; |
| 792 | } |
| 793 | } else { // span alpha is < 255 |
| 794 | alpha = SkAlpha255To256(alpha); |
| 795 | for (;;) { |
| 796 | int count = *runs; |
| 797 | if (count <= 0) { |
| 798 | break; |
| 799 | } |
| 800 | SkASSERT(count <= fDevice.width()); // don't overrun fBuffer |
| 801 | |
| 802 | int aa = SkAlphaMul(*antialias, alpha); |
| 803 | if (aa) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 804 | shaderContext->shadeSpan16(x, y, span16, count); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 805 | SkBlendRGB16(span16, device, SkAlpha255To256(aa), count); |
| 806 | } |
| 807 | |
| 808 | device += count; |
| 809 | runs += count; |
| 810 | antialias += count; |
| 811 | x += count; |
| 812 | } |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | /////////////////////////////////////////////////////////////////////////////// |
| 817 | |
| 818 | SkRGB16_Shader_Blitter::SkRGB16_Shader_Blitter(const SkBitmap& device, |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 819 | const SkPaint& paint, |
| 820 | SkShader::Context* shaderContext) |
| 821 | : INHERITED(device, paint, shaderContext) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 822 | SkASSERT(paint.getXfermode() == NULL); |
| 823 | |
| 824 | fBuffer = (SkPMColor*)sk_malloc_throw(device.width() * sizeof(SkPMColor)); |
| 825 | |
| 826 | // compute SkBlitRow::Procs |
| 827 | unsigned flags = 0; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 828 | |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 829 | uint32_t shaderFlags = fShaderFlags; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 830 | // shaders take care of global alpha, so we never set it in SkBlitRow |
| 831 | if (!(shaderFlags & SkShader::kOpaqueAlpha_Flag)) { |
| 832 | flags |= SkBlitRow::kSrcPixelAlpha_Flag; |
commit-bot@chromium.org | c2050e3 | 2013-07-15 13:10:31 +0000 | [diff] [blame] | 833 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 834 | // don't dither if the shader is really 16bit |
| 835 | if (paint.isDither() && !(shaderFlags & SkShader::kIntrinsicly16_Flag)) { |
| 836 | flags |= SkBlitRow::kDither_Flag; |
| 837 | } |
| 838 | // used when we know our global alpha is 0xFF |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 839 | fOpaqueProc = SkBlitRow::Factory(flags, kRGB_565_SkColorType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 840 | // used when we know our global alpha is < 0xFF |
| 841 | fAlphaProc = SkBlitRow::Factory(flags | SkBlitRow::kGlobalAlpha_Flag, |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 842 | kRGB_565_SkColorType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | SkRGB16_Shader_Blitter::~SkRGB16_Shader_Blitter() { |
| 846 | sk_free(fBuffer); |
| 847 | } |
| 848 | |
| 849 | void SkRGB16_Shader_Blitter::blitH(int x, int y, int width) { |
| 850 | SkASSERT(x + width <= fDevice.width()); |
| 851 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 852 | fShaderContext->shadeSpan(x, y, fBuffer, width); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 853 | // shaders take care of global alpha, so we pass 0xFF (should be ignored) |
| 854 | fOpaqueProc(fDevice.getAddr16(x, y), fBuffer, width, 0xFF, x, y); |
| 855 | } |
| 856 | |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 857 | void SkRGB16_Shader_Blitter::blitRect(int x, int y, int width, int height) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 858 | SkShader::Context* shaderContext = fShaderContext; |
| 859 | SkBlitRow::Proc proc = fOpaqueProc; |
| 860 | SkPMColor* buffer = fBuffer; |
| 861 | uint16_t* dst = fDevice.getAddr16(x, y); |
| 862 | size_t dstRB = fDevice.rowBytes(); |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 863 | |
reed@android.com | 3c9b2a4 | 2009-08-27 19:28:37 +0000 | [diff] [blame] | 864 | if (fShaderFlags & SkShader::kConstInY32_Flag) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 865 | shaderContext->shadeSpan(x, y, buffer, width); |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 866 | do { |
| 867 | proc(dst, buffer, width, 0xFF, x, y); |
| 868 | y += 1; |
| 869 | dst = (uint16_t*)((char*)dst + dstRB); |
| 870 | } while (--height); |
| 871 | } else { |
| 872 | do { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 873 | shaderContext->shadeSpan(x, y, buffer, width); |
reed@android.com | 5119bdb | 2009-06-12 21:27:03 +0000 | [diff] [blame] | 874 | proc(dst, buffer, width, 0xFF, x, y); |
| 875 | y += 1; |
| 876 | dst = (uint16_t*)((char*)dst + dstRB); |
| 877 | } while (--height); |
| 878 | } |
| 879 | } |
| 880 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 881 | static inline int count_nonzero_span(const int16_t runs[], const SkAlpha aa[]) { |
| 882 | int count = 0; |
| 883 | for (;;) { |
| 884 | int n = *runs; |
| 885 | if (n == 0 || *aa == 0) { |
| 886 | break; |
| 887 | } |
| 888 | runs += n; |
| 889 | aa += n; |
| 890 | count += n; |
| 891 | } |
| 892 | return count; |
| 893 | } |
| 894 | |
| 895 | void SkRGB16_Shader_Blitter::blitAntiH(int x, int y, |
| 896 | const SkAlpha* SK_RESTRICT antialias, |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 897 | const int16_t* SK_RESTRICT runs) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 898 | SkShader::Context* shaderContext = fShaderContext; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 899 | SkPMColor* SK_RESTRICT span = fBuffer; |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 900 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 901 | |
| 902 | for (;;) { |
| 903 | int count = *runs; |
| 904 | if (count <= 0) { |
| 905 | break; |
| 906 | } |
| 907 | int aa = *antialias; |
| 908 | if (0 == aa) { |
| 909 | device += count; |
| 910 | runs += count; |
| 911 | antialias += count; |
| 912 | x += count; |
| 913 | continue; |
| 914 | } |
| 915 | |
| 916 | int nonZeroCount = count + count_nonzero_span(runs + count, antialias + count); |
| 917 | |
| 918 | SkASSERT(nonZeroCount <= fDevice.width()); // don't overrun fBuffer |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 919 | shaderContext->shadeSpan(x, y, span, nonZeroCount); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 920 | |
| 921 | SkPMColor* localSpan = span; |
| 922 | for (;;) { |
| 923 | SkBlitRow::Proc proc = (aa == 0xFF) ? fOpaqueProc : fAlphaProc; |
| 924 | proc(device, localSpan, count, aa, x, y); |
| 925 | |
| 926 | x += count; |
| 927 | device += count; |
| 928 | runs += count; |
| 929 | antialias += count; |
| 930 | nonZeroCount -= count; |
| 931 | if (nonZeroCount == 0) { |
| 932 | break; |
| 933 | } |
| 934 | localSpan += count; |
| 935 | SkASSERT(nonZeroCount > 0); |
| 936 | count = *runs; |
| 937 | SkASSERT(count > 0); |
| 938 | aa = *antialias; |
| 939 | } |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | /////////////////////////////////////////////////////////////////////// |
| 944 | |
| 945 | SkRGB16_Shader_Xfermode_Blitter::SkRGB16_Shader_Xfermode_Blitter( |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 946 | const SkBitmap& device, const SkPaint& paint, |
| 947 | SkShader::Context* shaderContext) |
| 948 | : INHERITED(device, paint, shaderContext) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 949 | fXfermode = paint.getXfermode(); |
| 950 | SkASSERT(fXfermode); |
| 951 | fXfermode->ref(); |
| 952 | |
| 953 | int width = device.width(); |
| 954 | fBuffer = (SkPMColor*)sk_malloc_throw((width + (SkAlign4(width) >> 2)) * sizeof(SkPMColor)); |
| 955 | fAAExpand = (uint8_t*)(fBuffer + width); |
| 956 | } |
| 957 | |
| 958 | SkRGB16_Shader_Xfermode_Blitter::~SkRGB16_Shader_Xfermode_Blitter() { |
| 959 | fXfermode->unref(); |
| 960 | sk_free(fBuffer); |
| 961 | } |
| 962 | |
| 963 | void SkRGB16_Shader_Xfermode_Blitter::blitH(int x, int y, int width) { |
| 964 | SkASSERT(x + width <= fDevice.width()); |
| 965 | |
| 966 | uint16_t* device = fDevice.getAddr16(x, y); |
| 967 | SkPMColor* span = fBuffer; |
| 968 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 969 | fShaderContext->shadeSpan(x, y, span, width); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 970 | fXfermode->xfer16(device, span, width, NULL); |
| 971 | } |
| 972 | |
| 973 | void SkRGB16_Shader_Xfermode_Blitter::blitAntiH(int x, int y, |
| 974 | const SkAlpha* SK_RESTRICT antialias, |
tomhudson@google.com | a87cd2a | 2011-06-15 16:50:27 +0000 | [diff] [blame] | 975 | const int16_t* SK_RESTRICT runs) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 976 | SkShader::Context* shaderContext = fShaderContext; |
| 977 | SkXfermode* mode = fXfermode; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 978 | SkPMColor* SK_RESTRICT span = fBuffer; |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 979 | uint8_t* SK_RESTRICT aaExpand = fAAExpand; |
| 980 | uint16_t* SK_RESTRICT device = fDevice.getAddr16(x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 981 | |
| 982 | for (;;) { |
| 983 | int count = *runs; |
| 984 | if (count <= 0) { |
| 985 | break; |
| 986 | } |
| 987 | int aa = *antialias; |
| 988 | if (0 == aa) { |
| 989 | device += count; |
| 990 | runs += count; |
| 991 | antialias += count; |
| 992 | x += count; |
| 993 | continue; |
| 994 | } |
| 995 | |
| 996 | int nonZeroCount = count + count_nonzero_span(runs + count, |
| 997 | antialias + count); |
| 998 | |
| 999 | SkASSERT(nonZeroCount <= fDevice.width()); // don't overrun fBuffer |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 1000 | shaderContext->shadeSpan(x, y, span, nonZeroCount); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1001 | |
| 1002 | x += nonZeroCount; |
| 1003 | SkPMColor* localSpan = span; |
| 1004 | for (;;) { |
| 1005 | if (aa == 0xFF) { |
| 1006 | mode->xfer16(device, localSpan, count, NULL); |
| 1007 | } else { |
| 1008 | SkASSERT(aa); |
| 1009 | memset(aaExpand, aa, count); |
| 1010 | mode->xfer16(device, localSpan, count, aaExpand); |
| 1011 | } |
| 1012 | device += count; |
| 1013 | runs += count; |
| 1014 | antialias += count; |
| 1015 | nonZeroCount -= count; |
| 1016 | if (nonZeroCount == 0) { |
| 1017 | break; |
| 1018 | } |
| 1019 | localSpan += count; |
| 1020 | SkASSERT(nonZeroCount > 0); |
| 1021 | count = *runs; |
| 1022 | SkASSERT(count > 0); |
| 1023 | aa = *antialias; |
| 1024 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1025 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1026 | } |
| 1027 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1028 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1029 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1030 | SkBlitter* SkBlitter_ChooseD565(const SkBitmap& device, const SkPaint& paint, |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 1031 | SkShader::Context* shaderContext, |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame] | 1032 | SkTBlitterAllocator* allocator) { |
| 1033 | SkASSERT(allocator != NULL); |
| 1034 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1035 | SkBlitter* blitter; |
| 1036 | SkShader* shader = paint.getShader(); |
| 1037 | SkXfermode* mode = paint.getXfermode(); |
| 1038 | |
| 1039 | // we require a shader if there is an xfermode, handled by our caller |
| 1040 | SkASSERT(NULL == mode || NULL != shader); |
| 1041 | |
| 1042 | if (shader) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 1043 | SkASSERT(shaderContext != NULL); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1044 | if (mode) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 1045 | blitter = allocator->createT<SkRGB16_Shader_Xfermode_Blitter>(device, paint, |
| 1046 | shaderContext); |
| 1047 | } else if (shaderContext->canCallShadeSpan16()) { |
| 1048 | blitter = allocator->createT<SkRGB16_Shader16_Blitter>(device, paint, shaderContext); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1049 | } else { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 1050 | blitter = allocator->createT<SkRGB16_Shader_Blitter>(device, paint, shaderContext); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1051 | } |
| 1052 | } else { |
| 1053 | // no shader, no xfermode, (and we always ignore colorfilter) |
| 1054 | SkColor color = paint.getColor(); |
| 1055 | if (0 == SkColorGetA(color)) { |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame] | 1056 | blitter = allocator->createT<SkNullBlitter>(); |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 1057 | #ifdef USE_BLACK_BLITTER |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1058 | } else if (SK_ColorBLACK == color) { |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame] | 1059 | blitter = allocator->createT<SkRGB16_Black_Blitter>(device, paint); |
reed@android.com | 867ee80 | 2009-10-20 13:55:41 +0000 | [diff] [blame] | 1060 | #endif |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1061 | } else if (0xFF == SkColorGetA(color)) { |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame] | 1062 | blitter = allocator->createT<SkRGB16_Opaque_Blitter>(device, paint); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1063 | } else { |
commit-bot@chromium.org | a5572e5 | 2014-03-07 03:24:41 +0000 | [diff] [blame] | 1064 | blitter = allocator->createT<SkRGB16_Blitter>(device, paint); |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1065 | } |
| 1066 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1067 | |
reed@android.com | 1fc4c60 | 2009-10-02 16:34:57 +0000 | [diff] [blame] | 1068 | return blitter; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1069 | } |