epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
reed | 0461713 | 2014-08-21 09:46:49 -0700 | [diff] [blame] | 7 | |
| 8 | #include "SkBitmapCache.h" |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 9 | #include "SkBitmapController.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 10 | #include "SkBitmapProcState.h" |
| 11 | #include "SkColorPriv.h" |
| 12 | #include "SkFilterProc.h" |
| 13 | #include "SkPaint.h" |
| 14 | #include "SkShader.h" // for tilemodes |
digit@google.com | 3ada0ef | 2012-08-13 14:06:34 +0000 | [diff] [blame] | 15 | #include "SkUtilsArm.h" |
humper@google.com | 138ebc3 | 2013-07-19 20:20:04 +0000 | [diff] [blame] | 16 | #include "SkBitmapScaler.h" |
reed@google.com | d94697c | 2013-07-24 14:31:33 +0000 | [diff] [blame] | 17 | #include "SkMipMap.h" |
reed@google.com | cee9dcb | 2013-09-13 16:04:49 +0000 | [diff] [blame] | 18 | #include "SkPixelRef.h" |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 19 | #include "SkImageEncoder.h" |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 20 | #include "SkResourceCache.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 21 | |
digit@google.com | 3ada0ef | 2012-08-13 14:06:34 +0000 | [diff] [blame] | 22 | #if !SK_ARM_NEON_IS_NONE |
| 23 | // These are defined in src/opts/SkBitmapProcState_arm_neon.cpp |
digit@google.com | 3ada0ef | 2012-08-13 14:06:34 +0000 | [diff] [blame] | 24 | extern const SkBitmapProcState::SampleProc32 gSkBitmapProcStateSample32_neon[]; |
| 25 | extern void S16_D16_filter_DX_neon(const SkBitmapProcState&, const uint32_t*, int, uint16_t*); |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 26 | extern void Clamp_S16_D16_filter_DX_shaderproc_neon(const void *, int, int, uint16_t*, int); |
| 27 | extern void Repeat_S16_D16_filter_DX_shaderproc_neon(const void *, int, int, uint16_t*, int); |
digit@google.com | 3ada0ef | 2012-08-13 14:06:34 +0000 | [diff] [blame] | 28 | extern void SI8_opaque_D32_filter_DX_neon(const SkBitmapProcState&, const uint32_t*, int, SkPMColor*); |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 29 | extern void SI8_opaque_D32_filter_DX_shaderproc_neon(const void *, int, int, uint32_t*, int); |
| 30 | extern void Clamp_SI8_opaque_D32_filter_DX_shaderproc_neon(const void*, int, int, uint32_t*, int); |
digit@google.com | 3ada0ef | 2012-08-13 14:06:34 +0000 | [diff] [blame] | 31 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 32 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 33 | extern void Clamp_S32_opaque_D32_nofilter_DX_shaderproc(const void*, int, int, uint32_t*, int); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 34 | |
digit@google.com | 3ada0ef | 2012-08-13 14:06:34 +0000 | [diff] [blame] | 35 | #define NAME_WRAP(x) x |
| 36 | #include "SkBitmapProcState_filter.h" |
| 37 | #include "SkBitmapProcState_procs.h" |
reed@android.com | b577b41 | 2009-10-27 17:49:32 +0000 | [diff] [blame] | 38 | |
reed | 7a4d847 | 2015-09-15 13:33:58 -0700 | [diff] [blame] | 39 | SkBitmapProcState::SkBitmapProcState(const SkBitmapProvider& provider, |
| 40 | SkShader::TileMode tmx, SkShader::TileMode tmy) |
| 41 | : fProvider(provider) |
| 42 | , fBMState(nullptr) |
| 43 | { |
| 44 | fTileModeX = tmx; |
| 45 | fTileModeY = tmy; |
| 46 | } |
| 47 | |
| 48 | SkBitmapProcState::SkBitmapProcState(const SkBitmap& bm, |
| 49 | SkShader::TileMode tmx, SkShader::TileMode tmy) |
| 50 | : fProvider(SkBitmapProvider(bm)) |
| 51 | , fBMState(nullptr) |
| 52 | { |
| 53 | fTileModeX = tmx; |
| 54 | fTileModeY = tmy; |
| 55 | } |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 56 | |
| 57 | SkBitmapProcState::~SkBitmapProcState() { |
| 58 | SkInPlaceDeleteCheck(fBMState, fBMStateStorage.get()); |
| 59 | } |
| 60 | |
reed@android.com | a44b4cc | 2009-07-16 02:03:58 +0000 | [diff] [blame] | 61 | /////////////////////////////////////////////////////////////////////////////// |
| 62 | |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 63 | // true iff the matrix contains, at most, scale and translate elements |
| 64 | static bool matrix_only_scale_translate(const SkMatrix& m) { |
| 65 | return m.getType() <= (SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask); |
| 66 | } |
| 67 | |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 68 | /** |
| 69 | * For the purposes of drawing bitmaps, if a matrix is "almost" translate |
| 70 | * go ahead and treat it as if it were, so that subsequent code can go fast. |
| 71 | */ |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 72 | static bool just_trans_clamp(const SkMatrix& matrix, const SkPixmap& pixmap) { |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 73 | SkASSERT(matrix_only_scale_translate(matrix)); |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 74 | |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 75 | if (matrix.getType() & SkMatrix::kScale_Mask) { |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 76 | SkRect dst; |
| 77 | SkRect src = SkRect::Make(pixmap.bounds()); |
reed@google.com | f707adc | 2013-04-18 15:37:14 +0000 | [diff] [blame] | 78 | |
| 79 | // Can't call mapRect(), since that will fix up inverted rectangles, |
| 80 | // e.g. when scale is negative, and we don't want to return true for |
| 81 | // those. |
| 82 | matrix.mapPoints(SkTCast<SkPoint*>(&dst), |
| 83 | SkTCast<const SkPoint*>(&src), |
| 84 | 2); |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 85 | |
| 86 | // Now round all 4 edges to device space, and then compare the device |
| 87 | // width/height to the original. Note: we must map all 4 and subtract |
| 88 | // rather than map the "width" and compare, since we care about the |
| 89 | // phase (in pixel space) that any translate in the matrix might impart. |
| 90 | SkIRect idst; |
| 91 | dst.round(&idst); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 92 | return idst.width() == pixmap.width() && idst.height() == pixmap.height(); |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 93 | } |
| 94 | // if we got here, we're either kTranslate_Mask or identity |
| 95 | return true; |
| 96 | } |
| 97 | |
| 98 | static bool just_trans_general(const SkMatrix& matrix) { |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 99 | SkASSERT(matrix_only_scale_translate(matrix)); |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 100 | |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 101 | if (matrix.getType() & SkMatrix::kScale_Mask) { |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 102 | const SkScalar tol = SK_Scalar1 / 32768; |
skia.committer@gmail.com | 989a95e | 2012-10-18 02:01:23 +0000 | [diff] [blame] | 103 | |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 104 | if (!SkScalarNearlyZero(matrix[SkMatrix::kMScaleX] - SK_Scalar1, tol)) { |
| 105 | return false; |
| 106 | } |
| 107 | if (!SkScalarNearlyZero(matrix[SkMatrix::kMScaleY] - SK_Scalar1, tol)) { |
| 108 | return false; |
| 109 | } |
| 110 | } |
| 111 | // if we got here, treat us as either kTranslate_Mask or identity |
| 112 | return true; |
| 113 | } |
| 114 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 115 | static bool valid_for_filtering(unsigned dimension) { |
| 116 | // for filtering, width and height must fit in 14bits, since we use steal |
| 117 | // 2 bits from each to store our 4bit subpixel data |
| 118 | return (dimension & ~0x3FFF) == 0; |
| 119 | } |
| 120 | |
reed | f7094c4 | 2015-01-16 12:05:19 -0800 | [diff] [blame] | 121 | /* |
| 122 | * Analyze filter-quality and matrix, and decide how to implement that. |
| 123 | * |
| 124 | * In general, we cascade down the request level [ High ... None ] |
| 125 | * - for a given level, if we can fulfill it, fine, else |
| 126 | * - else we downgrade to the next lower level and try again. |
| 127 | * We can always fulfill requests for Low and None |
| 128 | * - sometimes we will "ignore" Low and give None, but this is likely a legacy perf hack |
| 129 | * and may be removed. |
| 130 | */ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 131 | bool SkBitmapProcState::chooseProcs(const SkMatrix& inv, const SkPaint& paint) { |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 132 | fPixmap.reset(); |
reed@google.com | ef0e319 | 2013-09-09 13:42:39 +0000 | [diff] [blame] | 133 | fInvMatrix = inv; |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 134 | fFilterLevel = paint.getFilterQuality(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 135 | |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 136 | const int origW = fProvider.info().width(); |
| 137 | const int origH = fProvider.info().height(); |
| 138 | bool allow_ignore_fractional_translate = true; // historical default |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 139 | if (kMedium_SkFilterQuality == fFilterLevel) { |
| 140 | allow_ignore_fractional_translate = false; |
| 141 | } |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 142 | |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 143 | SkDefaultBitmapController controller; |
reed | 7a4d847 | 2015-09-15 13:33:58 -0700 | [diff] [blame] | 144 | fBMState = controller.requestBitmap(fProvider, inv, paint.getFilterQuality(), |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 145 | fBMStateStorage.get(), fBMStateStorage.size()); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 146 | // Note : we allow the controller to return an empty (zero-dimension) result. Should we? |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 147 | if (nullptr == fBMState || fBMState->pixmap().info().isEmpty()) { |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 148 | return false; |
reed | f7094c4 | 2015-01-16 12:05:19 -0800 | [diff] [blame] | 149 | } |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 150 | fPixmap = fBMState->pixmap(); |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 151 | fInvMatrix = fBMState->invMatrix(); |
| 152 | fFilterLevel = fBMState->quality(); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 153 | SkASSERT(fPixmap.addr()); |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 154 | |
reed@google.com | ef0e319 | 2013-09-09 13:42:39 +0000 | [diff] [blame] | 155 | bool trivialMatrix = (fInvMatrix.getType() & ~SkMatrix::kTranslate_Mask) == 0; |
| 156 | bool clampClamp = SkShader::kClamp_TileMode == fTileModeX && |
| 157 | SkShader::kClamp_TileMode == fTileModeY; |
skia.committer@gmail.com | 9a070f2 | 2013-09-10 07:01:44 +0000 | [diff] [blame] | 158 | |
humper | 535e3b2 | 2014-10-27 10:32:06 -0700 | [diff] [blame] | 159 | // Most of the scanline procs deal with "unit" texture coordinates, as this |
| 160 | // makes it easy to perform tiling modes (repeat = (x & 0xFFFF)). To generate |
| 161 | // those, we divide the matrix by its dimensions here. |
| 162 | // |
| 163 | // We don't do this if we're either trivial (can ignore the matrix) or clamping |
| 164 | // in both X and Y since clamping to width,height is just as easy as to 0xFFFF. |
| 165 | |
| 166 | if (!(clampClamp || trivialMatrix)) { |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 167 | fInvMatrix.postIDiv(fPixmap.width(), fPixmap.height()); |
reed@google.com | ef0e319 | 2013-09-09 13:42:39 +0000 | [diff] [blame] | 168 | } |
| 169 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 170 | // Now that all possible changes to the matrix have taken place, check |
| 171 | // to see if we're really close to a no-scale matrix. If so, explicitly |
| 172 | // set it to be so. Subsequent code may inspect this matrix to choose |
| 173 | // a faster path in this case. |
| 174 | |
| 175 | // This code will only execute if the matrix has some scale component; |
| 176 | // if it's already pure translate then we won't do this inversion. |
| 177 | |
| 178 | if (matrix_only_scale_translate(fInvMatrix)) { |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 179 | SkMatrix forward; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 180 | if (fInvMatrix.invert(&forward)) { |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 181 | if ((clampClamp && allow_ignore_fractional_translate) |
| 182 | ? just_trans_clamp(forward, fPixmap) |
reed | f7094c4 | 2015-01-16 12:05:19 -0800 | [diff] [blame] | 183 | : just_trans_general(forward)) { |
reed | f2e2ad0 | 2016-01-19 13:33:32 -0800 | [diff] [blame] | 184 | fInvMatrix.setTranslate(-forward.getTranslateX(), -forward.getTranslateY()); |
reed@google.com | ce1f3cc | 2013-01-05 14:37:48 +0000 | [diff] [blame] | 185 | } |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 186 | } |
| 187 | } |
| 188 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 189 | fInvProc = fInvMatrix.getMapXYProc(); |
| 190 | fInvType = fInvMatrix.getType(); |
| 191 | fInvSx = SkScalarToFixed(fInvMatrix.getScaleX()); |
| 192 | fInvSxFractionalInt = SkScalarToFractionalInt(fInvMatrix.getScaleX()); |
| 193 | fInvKy = SkScalarToFixed(fInvMatrix.getSkewY()); |
| 194 | fInvKyFractionalInt = SkScalarToFractionalInt(fInvMatrix.getSkewY()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 195 | |
| 196 | fAlphaScale = SkAlpha255To256(paint.getAlpha()); |
skia.committer@gmail.com | fa1bd5f | 2013-07-13 07:00:56 +0000 | [diff] [blame] | 197 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 198 | fShaderProc32 = nullptr; |
| 199 | fShaderProc16 = nullptr; |
| 200 | fSampleProc32 = nullptr; |
mtklein | 96d68b7 | 2015-02-20 12:40:40 -0800 | [diff] [blame] | 201 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 202 | // recompute the triviality of the matrix here because we may have |
| 203 | // changed it! |
| 204 | |
| 205 | trivialMatrix = (fInvMatrix.getType() & ~SkMatrix::kTranslate_Mask) == 0; |
| 206 | |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 207 | // If our target pixmap is the same as the original, then we revert back to legacy behavior |
| 208 | // and allow the code to ignore fractional translate. |
| 209 | // |
| 210 | // The width/height check allows allow_ignore_fractional_translate to stay false if we |
| 211 | // previously set it that way (e.g. we started in kMedium). |
| 212 | // |
| 213 | if (fPixmap.width() == origW && fPixmap.height() == origH) { |
| 214 | allow_ignore_fractional_translate = true; |
| 215 | } |
| 216 | |
| 217 | if (kLow_SkFilterQuality == fFilterLevel && allow_ignore_fractional_translate) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 218 | // Only try bilerp if the matrix is "interesting" and |
| 219 | // the image has a suitable size. |
| 220 | |
| 221 | if (fInvType <= SkMatrix::kTranslate_Mask || |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 222 | !valid_for_filtering(fPixmap.width() | fPixmap.height())) |
reed | f7094c4 | 2015-01-16 12:05:19 -0800 | [diff] [blame] | 223 | { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 224 | fFilterLevel = kNone_SkFilterQuality; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 225 | } |
| 226 | } |
| 227 | |
reed | 26feeba | 2015-01-14 12:28:22 -0800 | [diff] [blame] | 228 | return this->chooseScanlineProcs(trivialMatrix, clampClamp, paint); |
| 229 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 230 | |
reed | 26feeba | 2015-01-14 12:28:22 -0800 | [diff] [blame] | 231 | bool SkBitmapProcState::chooseScanlineProcs(bool trivialMatrix, bool clampClamp, |
| 232 | const SkPaint& paint) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 233 | fMatrixProc = this->chooseMatrixProc(trivialMatrix); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 234 | // TODO(dominikg): SkASSERT(fMatrixProc) instead? chooseMatrixProc never returns nullptr. |
| 235 | if (nullptr == fMatrixProc) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 236 | return false; |
| 237 | } |
| 238 | |
| 239 | /////////////////////////////////////////////////////////////////////// |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 240 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 241 | const SkAlphaType at = fPixmap.alphaType(); |
reed | 00adc75 | 2014-07-12 21:10:52 -0700 | [diff] [blame] | 242 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 243 | // No need to do this if we're doing HQ sampling; if filter quality is |
| 244 | // still set to HQ by the time we get here, then we must have installed |
mtklein@google.com | 0dc546c | 2013-08-26 16:21:35 +0000 | [diff] [blame] | 245 | // the shader procs above and can skip all this. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 246 | |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 247 | if (fFilterLevel < kHigh_SkFilterQuality) { |
skia.committer@gmail.com | fa1bd5f | 2013-07-13 07:00:56 +0000 | [diff] [blame] | 248 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 249 | int index = 0; |
| 250 | if (fAlphaScale < 256) { // note: this distinction is not used for D16 |
| 251 | index |= 1; |
reed@android.com | aa9152a | 2009-07-17 21:24:56 +0000 | [diff] [blame] | 252 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 253 | if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) { |
| 254 | index |= 2; |
| 255 | } |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 256 | if (fFilterLevel > kNone_SkFilterQuality) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 257 | index |= 4; |
| 258 | } |
| 259 | // bits 3,4,5 encoding the source bitmap format |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 260 | switch (fPixmap.colorType()) { |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 261 | case kN32_SkColorType: |
reed | 00adc75 | 2014-07-12 21:10:52 -0700 | [diff] [blame] | 262 | if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) { |
| 263 | return false; |
| 264 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 265 | index |= 0; |
| 266 | break; |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 267 | case kRGB_565_SkColorType: |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 268 | index |= 8; |
| 269 | break; |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 270 | case kIndex_8_SkColorType: |
reed | 00adc75 | 2014-07-12 21:10:52 -0700 | [diff] [blame] | 271 | if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) { |
| 272 | return false; |
| 273 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 274 | index |= 16; |
| 275 | break; |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 276 | case kARGB_4444_SkColorType: |
reed | 00adc75 | 2014-07-12 21:10:52 -0700 | [diff] [blame] | 277 | if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) { |
| 278 | return false; |
| 279 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 280 | index |= 24; |
| 281 | break; |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 282 | case kAlpha_8_SkColorType: |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 283 | index |= 32; |
| 284 | fPaintPMColor = SkPreMultiplyColor(paint.getColor()); |
| 285 | break; |
reed | 0c9b1a8 | 2015-03-17 17:44:06 -0700 | [diff] [blame] | 286 | case kGray_8_SkColorType: |
| 287 | index |= 40; |
| 288 | fPaintPMColor = SkPreMultiplyColor(paint.getColor()); |
| 289 | break; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 290 | default: |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 291 | // TODO(dominikg): Should we ever get here? SkASSERT(false) instead? |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 292 | return false; |
| 293 | } |
reed@android.com | c9a1d4b | 2009-08-03 15:05:55 +0000 | [diff] [blame] | 294 | |
reed | 26feeba | 2015-01-14 12:28:22 -0800 | [diff] [blame] | 295 | #if !SK_ARM_NEON_IS_ALWAYS |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 296 | static const SampleProc32 gSkBitmapProcStateSample32[] = { |
| 297 | S32_opaque_D32_nofilter_DXDY, |
| 298 | S32_alpha_D32_nofilter_DXDY, |
| 299 | S32_opaque_D32_nofilter_DX, |
| 300 | S32_alpha_D32_nofilter_DX, |
| 301 | S32_opaque_D32_filter_DXDY, |
| 302 | S32_alpha_D32_filter_DXDY, |
| 303 | S32_opaque_D32_filter_DX, |
| 304 | S32_alpha_D32_filter_DX, |
skia.committer@gmail.com | 3e2345a | 2013-05-24 07:01:26 +0000 | [diff] [blame] | 305 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 306 | S16_opaque_D32_nofilter_DXDY, |
| 307 | S16_alpha_D32_nofilter_DXDY, |
| 308 | S16_opaque_D32_nofilter_DX, |
| 309 | S16_alpha_D32_nofilter_DX, |
| 310 | S16_opaque_D32_filter_DXDY, |
| 311 | S16_alpha_D32_filter_DXDY, |
| 312 | S16_opaque_D32_filter_DX, |
| 313 | S16_alpha_D32_filter_DX, |
| 314 | |
| 315 | SI8_opaque_D32_nofilter_DXDY, |
| 316 | SI8_alpha_D32_nofilter_DXDY, |
| 317 | SI8_opaque_D32_nofilter_DX, |
| 318 | SI8_alpha_D32_nofilter_DX, |
| 319 | SI8_opaque_D32_filter_DXDY, |
| 320 | SI8_alpha_D32_filter_DXDY, |
| 321 | SI8_opaque_D32_filter_DX, |
| 322 | SI8_alpha_D32_filter_DX, |
| 323 | |
| 324 | S4444_opaque_D32_nofilter_DXDY, |
| 325 | S4444_alpha_D32_nofilter_DXDY, |
| 326 | S4444_opaque_D32_nofilter_DX, |
| 327 | S4444_alpha_D32_nofilter_DX, |
| 328 | S4444_opaque_D32_filter_DXDY, |
| 329 | S4444_alpha_D32_filter_DXDY, |
| 330 | S4444_opaque_D32_filter_DX, |
| 331 | S4444_alpha_D32_filter_DX, |
reed | 0c9b1a8 | 2015-03-17 17:44:06 -0700 | [diff] [blame] | 332 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 333 | // A8 treats alpha/opaque the same (equally efficient) |
| 334 | SA8_alpha_D32_nofilter_DXDY, |
| 335 | SA8_alpha_D32_nofilter_DXDY, |
| 336 | SA8_alpha_D32_nofilter_DX, |
| 337 | SA8_alpha_D32_nofilter_DX, |
| 338 | SA8_alpha_D32_filter_DXDY, |
| 339 | SA8_alpha_D32_filter_DXDY, |
| 340 | SA8_alpha_D32_filter_DX, |
reed | 0c9b1a8 | 2015-03-17 17:44:06 -0700 | [diff] [blame] | 341 | SA8_alpha_D32_filter_DX, |
| 342 | |
| 343 | // todo: possibly specialize on opaqueness |
| 344 | SG8_alpha_D32_nofilter_DXDY, |
| 345 | SG8_alpha_D32_nofilter_DXDY, |
| 346 | SG8_alpha_D32_nofilter_DX, |
| 347 | SG8_alpha_D32_nofilter_DX, |
| 348 | SG8_alpha_D32_filter_DXDY, |
| 349 | SG8_alpha_D32_filter_DXDY, |
| 350 | SG8_alpha_D32_filter_DX, |
| 351 | SG8_alpha_D32_filter_DX |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 352 | }; |
reed | 26feeba | 2015-01-14 12:28:22 -0800 | [diff] [blame] | 353 | #endif |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 354 | |
| 355 | fSampleProc32 = SK_ARM_NEON_WRAP(gSkBitmapProcStateSample32)[index]; |
| 356 | index >>= 1; // shift away any opaque/alpha distinction |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 357 | |
| 358 | // our special-case shaderprocs |
reed | 4e5a758 | 2016-01-05 05:10:33 -0800 | [diff] [blame] | 359 | if (SK_ARM_NEON_WRAP(SI8_opaque_D32_filter_DX) == fSampleProc32 && clampClamp) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 360 | fShaderProc32 = SK_ARM_NEON_WRAP(Clamp_SI8_opaque_D32_filter_DX_shaderproc); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 361 | } else if (S32_opaque_D32_nofilter_DX == fSampleProc32 && clampClamp) { |
| 362 | fShaderProc32 = Clamp_S32_opaque_D32_nofilter_DX_shaderproc; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 363 | } |
| 364 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 365 | if (nullptr == fShaderProc32) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 366 | fShaderProc32 = this->chooseShaderProc32(); |
| 367 | } |
humper@google.com | b088947 | 2013-07-09 21:37:14 +0000 | [diff] [blame] | 368 | } |
mtklein | 96d68b7 | 2015-02-20 12:40:40 -0800 | [diff] [blame] | 369 | |
reed@android.com | c9a1d4b | 2009-08-03 15:05:55 +0000 | [diff] [blame] | 370 | // see if our platform has any accelerated overrides |
| 371 | this->platformProcs(); |
mtklein | 96d68b7 | 2015-02-20 12:40:40 -0800 | [diff] [blame] | 372 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 373 | return true; |
| 374 | } |
| 375 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 376 | static void Clamp_S32_D32_nofilter_trans_shaderproc(const void* sIn, |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 377 | int x, int y, |
| 378 | SkPMColor* SK_RESTRICT colors, |
| 379 | int count) { |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 380 | const SkBitmapProcState& s = *static_cast<const SkBitmapProcState*>(sIn); |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 381 | SkASSERT(((s.fInvType & ~SkMatrix::kTranslate_Mask)) == 0); |
| 382 | SkASSERT(s.fInvKy == 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 383 | SkASSERT(count > 0 && colors != nullptr); |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 384 | SkASSERT(kNone_SkFilterQuality == s.fFilterLevel); |
skia.committer@gmail.com | 20c301b | 2012-10-17 02:01:13 +0000 | [diff] [blame] | 385 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 386 | const int maxX = s.fPixmap.width() - 1; |
| 387 | const int maxY = s.fPixmap.height() - 1; |
reed@google.com | f7698de | 2012-10-12 20:50:24 +0000 | [diff] [blame] | 388 | int ix = s.fFilterOneX + x; |
| 389 | int iy = SkClampMax(s.fFilterOneY + y, maxY); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 390 | const SkPMColor* row = s.fPixmap.addr32(0, iy); |
skia.committer@gmail.com | 20c301b | 2012-10-17 02:01:13 +0000 | [diff] [blame] | 391 | |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 392 | // clamp to the left |
| 393 | if (ix < 0) { |
| 394 | int n = SkMin32(-ix, count); |
| 395 | sk_memset32(colors, row[0], n); |
| 396 | count -= n; |
| 397 | if (0 == count) { |
| 398 | return; |
| 399 | } |
| 400 | colors += n; |
| 401 | SkASSERT(-ix == n); |
| 402 | ix = 0; |
| 403 | } |
| 404 | // copy the middle |
| 405 | if (ix <= maxX) { |
| 406 | int n = SkMin32(maxX - ix + 1, count); |
| 407 | memcpy(colors, row + ix, n * sizeof(SkPMColor)); |
| 408 | count -= n; |
| 409 | if (0 == count) { |
| 410 | return; |
| 411 | } |
| 412 | colors += n; |
| 413 | } |
| 414 | SkASSERT(count > 0); |
| 415 | // clamp to the right |
| 416 | sk_memset32(colors, row[maxX], count); |
| 417 | } |
| 418 | |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 419 | static inline int sk_int_mod(int x, int n) { |
| 420 | SkASSERT(n > 0); |
| 421 | if ((unsigned)x >= (unsigned)n) { |
| 422 | if (x < 0) { |
| 423 | x = n + ~(~x % n); |
| 424 | } else { |
| 425 | x = x % n; |
| 426 | } |
| 427 | } |
| 428 | return x; |
| 429 | } |
| 430 | |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 431 | static inline int sk_int_mirror(int x, int n) { |
| 432 | x = sk_int_mod(x, 2 * n); |
| 433 | if (x >= n) { |
| 434 | x = n + ~(x - n); |
| 435 | } |
| 436 | return x; |
| 437 | } |
| 438 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 439 | static void Repeat_S32_D32_nofilter_trans_shaderproc(const void* sIn, |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 440 | int x, int y, |
| 441 | SkPMColor* SK_RESTRICT colors, |
| 442 | int count) { |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 443 | const SkBitmapProcState& s = *static_cast<const SkBitmapProcState*>(sIn); |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 444 | SkASSERT(((s.fInvType & ~SkMatrix::kTranslate_Mask)) == 0); |
| 445 | SkASSERT(s.fInvKy == 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 446 | SkASSERT(count > 0 && colors != nullptr); |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 447 | SkASSERT(kNone_SkFilterQuality == s.fFilterLevel); |
skia.committer@gmail.com | 20c301b | 2012-10-17 02:01:13 +0000 | [diff] [blame] | 448 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 449 | const int stopX = s.fPixmap.width(); |
| 450 | const int stopY = s.fPixmap.height(); |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 451 | int ix = s.fFilterOneX + x; |
| 452 | int iy = sk_int_mod(s.fFilterOneY + y, stopY); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 453 | const SkPMColor* row = s.fPixmap.addr32(0, iy); |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 454 | |
| 455 | ix = sk_int_mod(ix, stopX); |
| 456 | for (;;) { |
| 457 | int n = SkMin32(stopX - ix, count); |
| 458 | memcpy(colors, row + ix, n * sizeof(SkPMColor)); |
| 459 | count -= n; |
| 460 | if (0 == count) { |
| 461 | return; |
| 462 | } |
| 463 | colors += n; |
| 464 | ix = 0; |
| 465 | } |
| 466 | } |
| 467 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 468 | static void S32_D32_constX_shaderproc(const void* sIn, |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 469 | int x, int y, |
| 470 | SkPMColor* SK_RESTRICT colors, |
| 471 | int count) { |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 472 | const SkBitmapProcState& s = *static_cast<const SkBitmapProcState*>(sIn); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 473 | SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) == 0); |
| 474 | SkASSERT(s.fInvKy == 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 475 | SkASSERT(count > 0 && colors != nullptr); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 476 | SkASSERT(1 == s.fPixmap.width()); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 477 | |
scroggo@google.com | ad51132 | 2013-02-22 15:50:37 +0000 | [diff] [blame] | 478 | int iY0; |
| 479 | int iY1 SK_INIT_TO_AVOID_WARNING; |
| 480 | int iSubY SK_INIT_TO_AVOID_WARNING; |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 481 | |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 482 | if (kNone_SkFilterQuality != s.fFilterLevel) { |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 483 | SkBitmapProcState::MatrixProc mproc = s.getMatrixProc(); |
| 484 | uint32_t xy[2]; |
| 485 | |
| 486 | mproc(s, xy, 1, x, y); |
| 487 | |
| 488 | iY0 = xy[0] >> 18; |
| 489 | iY1 = xy[0] & 0x3FFF; |
| 490 | iSubY = (xy[0] >> 14) & 0xF; |
| 491 | } else { |
| 492 | int yTemp; |
| 493 | |
| 494 | if (s.fInvType > SkMatrix::kTranslate_Mask) { |
| 495 | SkPoint pt; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 496 | s.fInvProc(s.fInvMatrix, |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 497 | SkIntToScalar(x) + SK_ScalarHalf, |
skia.committer@gmail.com | 36df7ed | 2013-01-19 07:05:38 +0000 | [diff] [blame] | 498 | SkIntToScalar(y) + SK_ScalarHalf, |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 499 | &pt); |
robertphillips@google.com | 1e30523 | 2013-01-22 20:29:16 +0000 | [diff] [blame] | 500 | // When the matrix has a scale component the setup code in |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 501 | // chooseProcs multiples the inverse matrix by the inverse of the |
robertphillips@google.com | 1e30523 | 2013-01-22 20:29:16 +0000 | [diff] [blame] | 502 | // bitmap's width and height. Since this method is going to do |
| 503 | // its own tiling and sampling we need to undo that here. |
robertphillips@google.com | d507775 | 2013-01-23 00:36:02 +0000 | [diff] [blame] | 504 | if (SkShader::kClamp_TileMode != s.fTileModeX || |
| 505 | SkShader::kClamp_TileMode != s.fTileModeY) { |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 506 | yTemp = SkScalarFloorToInt(pt.fY * s.fPixmap.height()); |
robertphillips@google.com | d507775 | 2013-01-23 00:36:02 +0000 | [diff] [blame] | 507 | } else { |
| 508 | yTemp = SkScalarFloorToInt(pt.fY); |
| 509 | } |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 510 | } else { |
| 511 | yTemp = s.fFilterOneY + y; |
| 512 | } |
| 513 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 514 | const int stopY = s.fPixmap.height(); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 515 | switch (s.fTileModeY) { |
| 516 | case SkShader::kClamp_TileMode: |
| 517 | iY0 = SkClampMax(yTemp, stopY-1); |
| 518 | break; |
| 519 | case SkShader::kRepeat_TileMode: |
| 520 | iY0 = sk_int_mod(yTemp, stopY); |
| 521 | break; |
| 522 | case SkShader::kMirror_TileMode: |
| 523 | default: |
| 524 | iY0 = sk_int_mirror(yTemp, stopY); |
| 525 | break; |
| 526 | } |
| 527 | |
| 528 | #ifdef SK_DEBUG |
| 529 | { |
| 530 | SkPoint pt; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 531 | s.fInvProc(s.fInvMatrix, |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 532 | SkIntToScalar(x) + SK_ScalarHalf, |
skia.committer@gmail.com | 36df7ed | 2013-01-19 07:05:38 +0000 | [diff] [blame] | 533 | SkIntToScalar(y) + SK_ScalarHalf, |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 534 | &pt); |
robertphillips@google.com | d507775 | 2013-01-23 00:36:02 +0000 | [diff] [blame] | 535 | if (s.fInvType > SkMatrix::kTranslate_Mask && |
| 536 | (SkShader::kClamp_TileMode != s.fTileModeX || |
| 537 | SkShader::kClamp_TileMode != s.fTileModeY)) { |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 538 | pt.fY *= s.fPixmap.height(); |
robertphillips@google.com | 1e30523 | 2013-01-22 20:29:16 +0000 | [diff] [blame] | 539 | } |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 540 | int iY2; |
| 541 | |
| 542 | switch (s.fTileModeY) { |
| 543 | case SkShader::kClamp_TileMode: |
| 544 | iY2 = SkClampMax(SkScalarFloorToInt(pt.fY), stopY-1); |
| 545 | break; |
| 546 | case SkShader::kRepeat_TileMode: |
| 547 | iY2 = sk_int_mod(SkScalarFloorToInt(pt.fY), stopY); |
| 548 | break; |
| 549 | case SkShader::kMirror_TileMode: |
| 550 | default: |
| 551 | iY2 = sk_int_mirror(SkScalarFloorToInt(pt.fY), stopY); |
| 552 | break; |
| 553 | } |
| 554 | |
| 555 | SkASSERT(iY0 == iY2); |
| 556 | } |
| 557 | #endif |
| 558 | } |
| 559 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 560 | const SkPMColor* row0 = s.fPixmap.addr32(0, iY0); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 561 | SkPMColor color; |
| 562 | |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 563 | if (kNone_SkFilterQuality != s.fFilterLevel) { |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 564 | const SkPMColor* row1 = s.fPixmap.addr32(0, iY1); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 565 | |
| 566 | if (s.fAlphaScale < 256) { |
| 567 | Filter_32_alpha(iSubY, *row0, *row1, &color, s.fAlphaScale); |
| 568 | } else { |
| 569 | Filter_32_opaque(iSubY, *row0, *row1, &color); |
| 570 | } |
| 571 | } else { |
| 572 | if (s.fAlphaScale < 256) { |
| 573 | color = SkAlphaMulQ(*row0, s.fAlphaScale); |
| 574 | } else { |
| 575 | color = *row0; |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | sk_memset32(colors, color, count); |
| 580 | } |
| 581 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 582 | static void DoNothing_shaderproc(const void*, int x, int y, |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 583 | SkPMColor* SK_RESTRICT colors, int count) { |
| 584 | // if we get called, the matrix is too tricky, so we just draw nothing |
| 585 | sk_memset32(colors, 0, count); |
| 586 | } |
| 587 | |
| 588 | bool SkBitmapProcState::setupForTranslate() { |
fmalita | 653c12d | 2016-01-30 10:06:46 -0800 | [diff] [blame^] | 589 | #ifdef SK_SUPPORT_LEGACY_SAMPLER_BIAS |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 590 | SkPoint pt; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 591 | fInvProc(fInvMatrix, SK_ScalarHalf, SK_ScalarHalf, &pt); |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 592 | |
fmalita | 653c12d | 2016-01-30 10:06:46 -0800 | [diff] [blame^] | 593 | const SkScalar too_big = SkIntToScalar(1 << 30); |
| 594 | if (SkScalarAbs(pt.fX) > too_big || SkScalarAbs(pt.fY) > too_big) { |
| 595 | return false; |
| 596 | } |
| 597 | |
| 598 | fFilterOneX = SkScalarFloorToInt(pt.fX); |
| 599 | fFilterOneY = SkScalarFloorToInt(pt.fY); |
| 600 | #else |
| 601 | SkBitmapProcStateAutoMapper mapper(*this, 0, 0); |
| 602 | |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 603 | /* |
| 604 | * if the translate is larger than our ints, we can get random results, or |
| 605 | * worse, we might get 0x80000000, which wreaks havoc on us, since we can't |
| 606 | * negate it. |
| 607 | */ |
fmalita | 653c12d | 2016-01-30 10:06:46 -0800 | [diff] [blame^] | 608 | if (mapper.isOverflow()) { |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 609 | return false; |
| 610 | } |
| 611 | |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 612 | // Since we know we're not filtered, we re-purpose these fields allow |
| 613 | // us to go from device -> src coordinates w/ just an integer add, |
| 614 | // rather than running through the inverse-matrix |
fmalita | 653c12d | 2016-01-30 10:06:46 -0800 | [diff] [blame^] | 615 | fFilterOneX = SkFractionalIntToInt(mapper.x()); |
| 616 | fFilterOneY = SkFractionalIntToInt(mapper.y()); |
| 617 | #endif |
| 618 | |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 619 | return true; |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 620 | } |
| 621 | |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 622 | SkBitmapProcState::ShaderProc32 SkBitmapProcState::chooseShaderProc32() { |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 623 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 624 | if (kN32_SkColorType != fPixmap.colorType()) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 625 | return nullptr; |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 626 | } |
| 627 | |
| 628 | static const unsigned kMask = SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask; |
| 629 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 630 | if (1 == fPixmap.width() && 0 == (fInvType & ~kMask)) { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 631 | if (kNone_SkFilterQuality == fFilterLevel && |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 632 | fInvType <= SkMatrix::kTranslate_Mask && |
| 633 | !this->setupForTranslate()) { |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 634 | return DoNothing_shaderproc; |
| 635 | } |
| 636 | return S32_D32_constX_shaderproc; |
| 637 | } |
| 638 | |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 639 | if (fAlphaScale < 256) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 640 | return nullptr; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 641 | } |
| 642 | if (fInvType > SkMatrix::kTranslate_Mask) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 643 | return nullptr; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 644 | } |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 645 | if (kNone_SkFilterQuality != fFilterLevel) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 646 | return nullptr; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 647 | } |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 648 | |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 649 | SkShader::TileMode tx = (SkShader::TileMode)fTileModeX; |
| 650 | SkShader::TileMode ty = (SkShader::TileMode)fTileModeY; |
| 651 | |
| 652 | if (SkShader::kClamp_TileMode == tx && SkShader::kClamp_TileMode == ty) { |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 653 | if (this->setupForTranslate()) { |
| 654 | return Clamp_S32_D32_nofilter_trans_shaderproc; |
| 655 | } |
| 656 | return DoNothing_shaderproc; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 657 | } |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 658 | if (SkShader::kRepeat_TileMode == tx && SkShader::kRepeat_TileMode == ty) { |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 659 | if (this->setupForTranslate()) { |
| 660 | return Repeat_S32_D32_nofilter_trans_shaderproc; |
| 661 | } |
| 662 | return DoNothing_shaderproc; |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 663 | } |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 664 | return nullptr; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 665 | } |
| 666 | |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 667 | /////////////////////////////////////////////////////////////////////////////// |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 668 | |
| 669 | #ifdef SK_DEBUG |
| 670 | |
| 671 | static void check_scale_nofilter(uint32_t bitmapXY[], int count, |
| 672 | unsigned mx, unsigned my) { |
| 673 | unsigned y = *bitmapXY++; |
| 674 | SkASSERT(y < my); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 675 | |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 676 | const uint16_t* xptr = reinterpret_cast<const uint16_t*>(bitmapXY); |
| 677 | for (int i = 0; i < count; ++i) { |
| 678 | SkASSERT(xptr[i] < mx); |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | static void check_scale_filter(uint32_t bitmapXY[], int count, |
| 683 | unsigned mx, unsigned my) { |
| 684 | uint32_t YY = *bitmapXY++; |
| 685 | unsigned y0 = YY >> 18; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 686 | unsigned y1 = YY & 0x3FFF; |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 687 | SkASSERT(y0 < my); |
| 688 | SkASSERT(y1 < my); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 689 | |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 690 | for (int i = 0; i < count; ++i) { |
| 691 | uint32_t XX = bitmapXY[i]; |
| 692 | unsigned x0 = XX >> 18; |
| 693 | unsigned x1 = XX & 0x3FFF; |
| 694 | SkASSERT(x0 < mx); |
| 695 | SkASSERT(x1 < mx); |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | static void check_affine_nofilter(uint32_t bitmapXY[], int count, |
| 700 | unsigned mx, unsigned my) { |
| 701 | for (int i = 0; i < count; ++i) { |
| 702 | uint32_t XY = bitmapXY[i]; |
| 703 | unsigned x = XY & 0xFFFF; |
| 704 | unsigned y = XY >> 16; |
| 705 | SkASSERT(x < mx); |
| 706 | SkASSERT(y < my); |
| 707 | } |
| 708 | } |
| 709 | |
| 710 | static void check_affine_filter(uint32_t bitmapXY[], int count, |
| 711 | unsigned mx, unsigned my) { |
| 712 | for (int i = 0; i < count; ++i) { |
| 713 | uint32_t YY = *bitmapXY++; |
| 714 | unsigned y0 = YY >> 18; |
| 715 | unsigned y1 = YY & 0x3FFF; |
| 716 | SkASSERT(y0 < my); |
| 717 | SkASSERT(y1 < my); |
| 718 | |
| 719 | uint32_t XX = *bitmapXY++; |
| 720 | unsigned x0 = XX >> 18; |
| 721 | unsigned x1 = XX & 0x3FFF; |
| 722 | SkASSERT(x0 < mx); |
| 723 | SkASSERT(x1 < mx); |
| 724 | } |
| 725 | } |
| 726 | |
| 727 | void SkBitmapProcState::DebugMatrixProc(const SkBitmapProcState& state, |
| 728 | uint32_t bitmapXY[], int count, |
| 729 | int x, int y) { |
| 730 | SkASSERT(bitmapXY); |
| 731 | SkASSERT(count > 0); |
| 732 | |
| 733 | state.fMatrixProc(state, bitmapXY, count, x, y); |
| 734 | |
| 735 | void (*proc)(uint32_t bitmapXY[], int count, unsigned mx, unsigned my); |
| 736 | |
| 737 | // There are four formats possible: |
| 738 | // scale -vs- affine |
| 739 | // filter -vs- nofilter |
| 740 | if (state.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 741 | proc = state.fFilterLevel != kNone_SkFilterQuality ? check_scale_filter : check_scale_nofilter; |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 742 | } else { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 743 | proc = state.fFilterLevel != kNone_SkFilterQuality ? check_affine_filter : check_affine_nofilter; |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 744 | } |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 745 | proc(bitmapXY, count, state.fPixmap.width(), state.fPixmap.height()); |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 746 | } |
| 747 | |
| 748 | SkBitmapProcState::MatrixProc SkBitmapProcState::getMatrixProc() const { |
| 749 | return DebugMatrixProc; |
| 750 | } |
| 751 | |
| 752 | #endif |
| 753 | |
| 754 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 755 | /* |
| 756 | The storage requirements for the different matrix procs are as follows, |
| 757 | where each X or Y is 2 bytes, and N is the number of pixels/elements: |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 758 | |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 759 | scale/translate nofilter Y(4bytes) + N * X |
| 760 | affine/perspective nofilter N * (X Y) |
| 761 | scale/translate filter Y Y + N * (X X) |
| 762 | affine/perspective filter N * (Y Y X X) |
| 763 | */ |
| 764 | int SkBitmapProcState::maxCountForBufferSize(size_t bufferSize) const { |
| 765 | int32_t size = static_cast<int32_t>(bufferSize); |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 766 | |
| 767 | size &= ~3; // only care about 4-byte aligned chunks |
| 768 | if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) { |
| 769 | size -= 4; // the shared Y (or YY) coordinate |
| 770 | if (size < 0) { |
| 771 | size = 0; |
| 772 | } |
reed@android.com | 258cb22 | 2010-04-14 13:36:33 +0000 | [diff] [blame] | 773 | size >>= 1; |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 774 | } else { |
reed@android.com | 258cb22 | 2010-04-14 13:36:33 +0000 | [diff] [blame] | 775 | size >>= 2; |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 776 | } |
| 777 | |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 778 | if (fFilterLevel != kNone_SkFilterQuality) { |
reed@android.com | 258cb22 | 2010-04-14 13:36:33 +0000 | [diff] [blame] | 779 | size >>= 1; |
| 780 | } |
| 781 | |
| 782 | return size; |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 783 | } |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 784 | |
| 785 | /////////////////////// |
| 786 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 787 | void Clamp_S32_opaque_D32_nofilter_DX_shaderproc(const void* sIn, int x, int y, |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 788 | SkPMColor* SK_RESTRICT dst, int count) { |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 789 | const SkBitmapProcState& s = *static_cast<const SkBitmapProcState*>(sIn); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 790 | SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask | |
| 791 | SkMatrix::kScale_Mask)) == 0); |
| 792 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 793 | const unsigned maxX = s.fPixmap.width() - 1; |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 794 | SkFractionalInt fx; |
| 795 | int dstY; |
| 796 | { |
fmalita | b3a8358 | 2016-01-04 10:28:11 -0800 | [diff] [blame] | 797 | const SkBitmapProcStateAutoMapper mapper(s, x, y); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 798 | const unsigned maxY = s.fPixmap.height() - 1; |
fmalita | b3a8358 | 2016-01-04 10:28:11 -0800 | [diff] [blame] | 799 | dstY = SkClampMax(SkFractionalIntToInt(mapper.y()), maxY); |
| 800 | fx = mapper.x(); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 801 | } |
| 802 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 803 | const SkPMColor* SK_RESTRICT src = s.fPixmap.addr32(0, dstY); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 804 | const SkFractionalInt dx = s.fInvSxFractionalInt; |
| 805 | |
| 806 | // Check if we're safely inside [0...maxX] so no need to clamp each computed index. |
| 807 | // |
| 808 | if ((uint64_t)SkFractionalIntToInt(fx) <= maxX && |
| 809 | (uint64_t)SkFractionalIntToInt(fx + dx * (count - 1)) <= maxX) |
| 810 | { |
| 811 | int count4 = count >> 2; |
| 812 | for (int i = 0; i < count4; ++i) { |
| 813 | SkPMColor src0 = src[SkFractionalIntToInt(fx)]; fx += dx; |
| 814 | SkPMColor src1 = src[SkFractionalIntToInt(fx)]; fx += dx; |
| 815 | SkPMColor src2 = src[SkFractionalIntToInt(fx)]; fx += dx; |
| 816 | SkPMColor src3 = src[SkFractionalIntToInt(fx)]; fx += dx; |
| 817 | dst[0] = src0; |
| 818 | dst[1] = src1; |
| 819 | dst[2] = src2; |
| 820 | dst[3] = src3; |
| 821 | dst += 4; |
| 822 | } |
| 823 | for (int i = (count4 << 2); i < count; ++i) { |
| 824 | unsigned index = SkFractionalIntToInt(fx); |
| 825 | SkASSERT(index <= maxX); |
| 826 | *dst++ = src[index]; |
| 827 | fx += dx; |
| 828 | } |
| 829 | } else { |
| 830 | for (int i = 0; i < count; ++i) { |
| 831 | dst[i] = src[SkClampMax(SkFractionalIntToInt(fx), maxX)]; |
| 832 | fx += dx; |
| 833 | } |
| 834 | } |
| 835 | } |
fmalita | 3e6be16 | 2015-12-18 09:36:18 -0800 | [diff] [blame] | 836 | |