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 | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 39 | SkBitmapProcInfo::SkBitmapProcInfo(const SkBitmapProvider& provider, |
| 40 | SkShader::TileMode tmx, SkShader::TileMode tmy) |
reed | 7a4d847 | 2015-09-15 13:33:58 -0700 | [diff] [blame] | 41 | : fProvider(provider) |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 42 | , fTileModeX(tmx) |
| 43 | , fTileModeY(tmy) |
reed | 7a4d847 | 2015-09-15 13:33:58 -0700 | [diff] [blame] | 44 | , fBMState(nullptr) |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 45 | {} |
reed | 7a4d847 | 2015-09-15 13:33:58 -0700 | [diff] [blame] | 46 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 47 | SkBitmapProcInfo::SkBitmapProcInfo(const SkBitmap& bm, |
| 48 | SkShader::TileMode tmx, SkShader::TileMode tmy) |
reed | 7a4d847 | 2015-09-15 13:33:58 -0700 | [diff] [blame] | 49 | : fProvider(SkBitmapProvider(bm)) |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 50 | , fTileModeX(tmx) |
| 51 | , fTileModeY(tmy) |
reed | 7a4d847 | 2015-09-15 13:33:58 -0700 | [diff] [blame] | 52 | , fBMState(nullptr) |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 53 | {} |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 54 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 55 | SkBitmapProcInfo::~SkBitmapProcInfo() { |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 56 | SkInPlaceDeleteCheck(fBMState, fBMStateStorage.get()); |
| 57 | } |
| 58 | |
reed@android.com | a44b4cc | 2009-07-16 02:03:58 +0000 | [diff] [blame] | 59 | /////////////////////////////////////////////////////////////////////////////// |
| 60 | |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 61 | // true iff the matrix contains, at most, scale and translate elements |
| 62 | static bool matrix_only_scale_translate(const SkMatrix& m) { |
| 63 | return m.getType() <= (SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask); |
| 64 | } |
| 65 | |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 66 | /** |
| 67 | * For the purposes of drawing bitmaps, if a matrix is "almost" translate |
| 68 | * go ahead and treat it as if it were, so that subsequent code can go fast. |
| 69 | */ |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 70 | static bool just_trans_clamp(const SkMatrix& matrix, const SkPixmap& pixmap) { |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 71 | SkASSERT(matrix_only_scale_translate(matrix)); |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 72 | |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 73 | if (matrix.getType() & SkMatrix::kScale_Mask) { |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 74 | SkRect dst; |
| 75 | SkRect src = SkRect::Make(pixmap.bounds()); |
reed@google.com | f707adc | 2013-04-18 15:37:14 +0000 | [diff] [blame] | 76 | |
| 77 | // Can't call mapRect(), since that will fix up inverted rectangles, |
| 78 | // e.g. when scale is negative, and we don't want to return true for |
| 79 | // those. |
| 80 | matrix.mapPoints(SkTCast<SkPoint*>(&dst), |
| 81 | SkTCast<const SkPoint*>(&src), |
| 82 | 2); |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 83 | |
| 84 | // Now round all 4 edges to device space, and then compare the device |
| 85 | // width/height to the original. Note: we must map all 4 and subtract |
| 86 | // rather than map the "width" and compare, since we care about the |
| 87 | // phase (in pixel space) that any translate in the matrix might impart. |
| 88 | SkIRect idst; |
| 89 | dst.round(&idst); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 90 | return idst.width() == pixmap.width() && idst.height() == pixmap.height(); |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 91 | } |
| 92 | // if we got here, we're either kTranslate_Mask or identity |
| 93 | return true; |
| 94 | } |
| 95 | |
| 96 | static bool just_trans_general(const SkMatrix& matrix) { |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 97 | SkASSERT(matrix_only_scale_translate(matrix)); |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 98 | |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 99 | if (matrix.getType() & SkMatrix::kScale_Mask) { |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 100 | const SkScalar tol = SK_Scalar1 / 32768; |
skia.committer@gmail.com | 989a95e | 2012-10-18 02:01:23 +0000 | [diff] [blame] | 101 | |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 102 | if (!SkScalarNearlyZero(matrix[SkMatrix::kMScaleX] - SK_Scalar1, tol)) { |
| 103 | return false; |
| 104 | } |
| 105 | if (!SkScalarNearlyZero(matrix[SkMatrix::kMScaleY] - SK_Scalar1, tol)) { |
| 106 | return false; |
| 107 | } |
| 108 | } |
| 109 | // if we got here, treat us as either kTranslate_Mask or identity |
| 110 | return true; |
| 111 | } |
| 112 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 113 | static bool valid_for_filtering(unsigned dimension) { |
| 114 | // for filtering, width and height must fit in 14bits, since we use steal |
| 115 | // 2 bits from each to store our 4bit subpixel data |
| 116 | return (dimension & ~0x3FFF) == 0; |
| 117 | } |
| 118 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 119 | bool SkBitmapProcInfo::init(const SkMatrix& inv, const SkPaint& paint) { |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 120 | const int origW = fProvider.info().width(); |
| 121 | const int origH = fProvider.info().height(); |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 122 | |
| 123 | fPixmap.reset(); |
| 124 | fInvMatrix = inv; |
| 125 | fFilterQuality = paint.getFilterQuality(); |
| 126 | |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 127 | bool allow_ignore_fractional_translate = true; // historical default |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 128 | if (kMedium_SkFilterQuality == fFilterQuality) { |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 129 | allow_ignore_fractional_translate = false; |
| 130 | } |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 131 | |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 132 | SkDefaultBitmapController controller; |
reed | 7a4d847 | 2015-09-15 13:33:58 -0700 | [diff] [blame] | 133 | fBMState = controller.requestBitmap(fProvider, inv, paint.getFilterQuality(), |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 134 | fBMStateStorage.get(), fBMStateStorage.size()); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 135 | // 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] | 136 | if (nullptr == fBMState || fBMState->pixmap().info().isEmpty()) { |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 137 | return false; |
reed | f7094c4 | 2015-01-16 12:05:19 -0800 | [diff] [blame] | 138 | } |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 139 | fPixmap = fBMState->pixmap(); |
reed | 6404542 | 2015-06-04 06:31:31 -0700 | [diff] [blame] | 140 | fInvMatrix = fBMState->invMatrix(); |
herb | 6eff52a | 2016-03-23 09:00:33 -0700 | [diff] [blame^] | 141 | fRealInvMatrix = fBMState->invMatrix(); |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 142 | fPaintColor = paint.getColor(); |
| 143 | fFilterQuality = fBMState->quality(); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 144 | SkASSERT(fPixmap.addr()); |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 145 | |
reed@google.com | ef0e319 | 2013-09-09 13:42:39 +0000 | [diff] [blame] | 146 | bool trivialMatrix = (fInvMatrix.getType() & ~SkMatrix::kTranslate_Mask) == 0; |
| 147 | bool clampClamp = SkShader::kClamp_TileMode == fTileModeX && |
| 148 | SkShader::kClamp_TileMode == fTileModeY; |
skia.committer@gmail.com | 9a070f2 | 2013-09-10 07:01:44 +0000 | [diff] [blame] | 149 | |
humper | 535e3b2 | 2014-10-27 10:32:06 -0700 | [diff] [blame] | 150 | // Most of the scanline procs deal with "unit" texture coordinates, as this |
| 151 | // makes it easy to perform tiling modes (repeat = (x & 0xFFFF)). To generate |
| 152 | // those, we divide the matrix by its dimensions here. |
| 153 | // |
| 154 | // We don't do this if we're either trivial (can ignore the matrix) or clamping |
| 155 | // in both X and Y since clamping to width,height is just as easy as to 0xFFFF. |
| 156 | |
| 157 | if (!(clampClamp || trivialMatrix)) { |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 158 | fInvMatrix.postIDiv(fPixmap.width(), fPixmap.height()); |
reed@google.com | ef0e319 | 2013-09-09 13:42:39 +0000 | [diff] [blame] | 159 | } |
| 160 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 161 | // Now that all possible changes to the matrix have taken place, check |
| 162 | // to see if we're really close to a no-scale matrix. If so, explicitly |
| 163 | // set it to be so. Subsequent code may inspect this matrix to choose |
| 164 | // a faster path in this case. |
| 165 | |
| 166 | // This code will only execute if the matrix has some scale component; |
| 167 | // if it's already pure translate then we won't do this inversion. |
| 168 | |
| 169 | if (matrix_only_scale_translate(fInvMatrix)) { |
reed@google.com | ee056a8 | 2013-04-18 15:33:27 +0000 | [diff] [blame] | 170 | SkMatrix forward; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 171 | if (fInvMatrix.invert(&forward)) { |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 172 | if ((clampClamp && allow_ignore_fractional_translate) |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 173 | ? just_trans_clamp(forward, fPixmap) |
| 174 | : just_trans_general(forward)) { |
reed | f2e2ad0 | 2016-01-19 13:33:32 -0800 | [diff] [blame] | 175 | fInvMatrix.setTranslate(-forward.getTranslateX(), -forward.getTranslateY()); |
reed@google.com | ce1f3cc | 2013-01-05 14:37:48 +0000 | [diff] [blame] | 176 | } |
reed@google.com | c0e88e0 | 2012-10-17 21:11:56 +0000 | [diff] [blame] | 177 | } |
| 178 | } |
| 179 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 180 | fInvType = fInvMatrix.getType(); |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 181 | |
reed | 2252eda | 2016-01-20 11:04:40 -0800 | [diff] [blame] | 182 | // If our target pixmap is the same as the original, then we revert back to legacy behavior |
| 183 | // and allow the code to ignore fractional translate. |
| 184 | // |
| 185 | // The width/height check allows allow_ignore_fractional_translate to stay false if we |
| 186 | // previously set it that way (e.g. we started in kMedium). |
| 187 | // |
| 188 | if (fPixmap.width() == origW && fPixmap.height() == origH) { |
| 189 | allow_ignore_fractional_translate = true; |
| 190 | } |
| 191 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 192 | if (kLow_SkFilterQuality == fFilterQuality && allow_ignore_fractional_translate) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 193 | // Only try bilerp if the matrix is "interesting" and |
| 194 | // the image has a suitable size. |
| 195 | |
| 196 | if (fInvType <= SkMatrix::kTranslate_Mask || |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 197 | !valid_for_filtering(fPixmap.width() | fPixmap.height())) |
reed | f7094c4 | 2015-01-16 12:05:19 -0800 | [diff] [blame] | 198 | { |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 199 | fFilterQuality = kNone_SkFilterQuality; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 200 | } |
| 201 | } |
herb | 6eff52a | 2016-03-23 09:00:33 -0700 | [diff] [blame^] | 202 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 203 | return true; |
reed | 26feeba | 2015-01-14 12:28:22 -0800 | [diff] [blame] | 204 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 205 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 206 | /* |
| 207 | * Analyze filter-quality and matrix, and decide how to implement that. |
| 208 | * |
| 209 | * In general, we cascade down the request level [ High ... None ] |
| 210 | * - for a given level, if we can fulfill it, fine, else |
| 211 | * - else we downgrade to the next lower level and try again. |
| 212 | * We can always fulfill requests for Low and None |
| 213 | * - sometimes we will "ignore" Low and give None, but this is likely a legacy perf hack |
| 214 | * and may be removed. |
| 215 | */ |
| 216 | bool SkBitmapProcState::chooseProcs() { |
| 217 | fInvProc = fInvMatrix.getMapXYProc(); |
| 218 | fInvSx = SkScalarToFixed(fInvMatrix.getScaleX()); |
| 219 | fInvSxFractionalInt = SkScalarToFractionalInt(fInvMatrix.getScaleX()); |
| 220 | fInvKy = SkScalarToFixed(fInvMatrix.getSkewY()); |
| 221 | fInvKyFractionalInt = SkScalarToFractionalInt(fInvMatrix.getSkewY()); |
| 222 | |
| 223 | fAlphaScale = SkAlpha255To256(SkColorGetA(fPaintColor)); |
| 224 | |
| 225 | fShaderProc32 = nullptr; |
| 226 | fShaderProc16 = nullptr; |
| 227 | fSampleProc32 = nullptr; |
| 228 | |
| 229 | const bool trivialMatrix = (fInvMatrix.getType() & ~SkMatrix::kTranslate_Mask) == 0; |
| 230 | const bool clampClamp = SkShader::kClamp_TileMode == fTileModeX && |
| 231 | SkShader::kClamp_TileMode == fTileModeY; |
| 232 | |
| 233 | return this->chooseScanlineProcs(trivialMatrix, clampClamp); |
| 234 | } |
| 235 | |
| 236 | bool SkBitmapProcState::chooseScanlineProcs(bool trivialMatrix, bool clampClamp) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 237 | fMatrixProc = this->chooseMatrixProc(trivialMatrix); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 238 | // TODO(dominikg): SkASSERT(fMatrixProc) instead? chooseMatrixProc never returns nullptr. |
| 239 | if (nullptr == fMatrixProc) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 240 | return false; |
| 241 | } |
| 242 | |
| 243 | /////////////////////////////////////////////////////////////////////// |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 244 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 245 | const SkAlphaType at = fPixmap.alphaType(); |
reed | 00adc75 | 2014-07-12 21:10:52 -0700 | [diff] [blame] | 246 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 247 | // No need to do this if we're doing HQ sampling; if filter quality is |
| 248 | // 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] | 249 | // the shader procs above and can skip all this. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 250 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 251 | if (fFilterQuality < kHigh_SkFilterQuality) { |
skia.committer@gmail.com | fa1bd5f | 2013-07-13 07:00:56 +0000 | [diff] [blame] | 252 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 253 | int index = 0; |
| 254 | if (fAlphaScale < 256) { // note: this distinction is not used for D16 |
| 255 | index |= 1; |
reed@android.com | aa9152a | 2009-07-17 21:24:56 +0000 | [diff] [blame] | 256 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 257 | if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) { |
| 258 | index |= 2; |
| 259 | } |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 260 | if (fFilterQuality > kNone_SkFilterQuality) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 261 | index |= 4; |
| 262 | } |
| 263 | // bits 3,4,5 encoding the source bitmap format |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 264 | switch (fPixmap.colorType()) { |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 265 | case kN32_SkColorType: |
reed | 00adc75 | 2014-07-12 21:10:52 -0700 | [diff] [blame] | 266 | if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) { |
| 267 | return false; |
| 268 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 269 | index |= 0; |
| 270 | break; |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 271 | case kRGB_565_SkColorType: |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 272 | index |= 8; |
| 273 | break; |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 274 | case kIndex_8_SkColorType: |
reed | 00adc75 | 2014-07-12 21:10:52 -0700 | [diff] [blame] | 275 | if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) { |
| 276 | return false; |
| 277 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 278 | index |= 16; |
| 279 | break; |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 280 | case kARGB_4444_SkColorType: |
reed | 00adc75 | 2014-07-12 21:10:52 -0700 | [diff] [blame] | 281 | if (kPremul_SkAlphaType != at && kOpaque_SkAlphaType != at) { |
| 282 | return false; |
| 283 | } |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 284 | index |= 24; |
| 285 | break; |
commit-bot@chromium.org | cba7378 | 2014-05-29 15:57:47 +0000 | [diff] [blame] | 286 | case kAlpha_8_SkColorType: |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 287 | index |= 32; |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 288 | fPaintPMColor = SkPreMultiplyColor(fPaintColor); |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 289 | break; |
reed | 0c9b1a8 | 2015-03-17 17:44:06 -0700 | [diff] [blame] | 290 | case kGray_8_SkColorType: |
| 291 | index |= 40; |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 292 | fPaintPMColor = SkPreMultiplyColor(fPaintColor); |
reed | 0c9b1a8 | 2015-03-17 17:44:06 -0700 | [diff] [blame] | 293 | break; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 294 | default: |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 295 | // TODO(dominikg): Should we ever get here? SkASSERT(false) instead? |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 296 | return false; |
| 297 | } |
reed@android.com | c9a1d4b | 2009-08-03 15:05:55 +0000 | [diff] [blame] | 298 | |
reed | 26feeba | 2015-01-14 12:28:22 -0800 | [diff] [blame] | 299 | #if !SK_ARM_NEON_IS_ALWAYS |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 300 | static const SampleProc32 gSkBitmapProcStateSample32[] = { |
| 301 | S32_opaque_D32_nofilter_DXDY, |
| 302 | S32_alpha_D32_nofilter_DXDY, |
| 303 | S32_opaque_D32_nofilter_DX, |
| 304 | S32_alpha_D32_nofilter_DX, |
| 305 | S32_opaque_D32_filter_DXDY, |
| 306 | S32_alpha_D32_filter_DXDY, |
| 307 | S32_opaque_D32_filter_DX, |
| 308 | S32_alpha_D32_filter_DX, |
skia.committer@gmail.com | 3e2345a | 2013-05-24 07:01:26 +0000 | [diff] [blame] | 309 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 310 | S16_opaque_D32_nofilter_DXDY, |
| 311 | S16_alpha_D32_nofilter_DXDY, |
| 312 | S16_opaque_D32_nofilter_DX, |
| 313 | S16_alpha_D32_nofilter_DX, |
| 314 | S16_opaque_D32_filter_DXDY, |
| 315 | S16_alpha_D32_filter_DXDY, |
| 316 | S16_opaque_D32_filter_DX, |
| 317 | S16_alpha_D32_filter_DX, |
| 318 | |
| 319 | SI8_opaque_D32_nofilter_DXDY, |
| 320 | SI8_alpha_D32_nofilter_DXDY, |
| 321 | SI8_opaque_D32_nofilter_DX, |
| 322 | SI8_alpha_D32_nofilter_DX, |
| 323 | SI8_opaque_D32_filter_DXDY, |
| 324 | SI8_alpha_D32_filter_DXDY, |
| 325 | SI8_opaque_D32_filter_DX, |
| 326 | SI8_alpha_D32_filter_DX, |
| 327 | |
| 328 | S4444_opaque_D32_nofilter_DXDY, |
| 329 | S4444_alpha_D32_nofilter_DXDY, |
| 330 | S4444_opaque_D32_nofilter_DX, |
| 331 | S4444_alpha_D32_nofilter_DX, |
| 332 | S4444_opaque_D32_filter_DXDY, |
| 333 | S4444_alpha_D32_filter_DXDY, |
| 334 | S4444_opaque_D32_filter_DX, |
| 335 | S4444_alpha_D32_filter_DX, |
herb | 6eff52a | 2016-03-23 09:00:33 -0700 | [diff] [blame^] | 336 | |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 337 | // A8 treats alpha/opaque the same (equally efficient) |
| 338 | SA8_alpha_D32_nofilter_DXDY, |
| 339 | SA8_alpha_D32_nofilter_DXDY, |
| 340 | SA8_alpha_D32_nofilter_DX, |
| 341 | SA8_alpha_D32_nofilter_DX, |
| 342 | SA8_alpha_D32_filter_DXDY, |
| 343 | SA8_alpha_D32_filter_DXDY, |
| 344 | SA8_alpha_D32_filter_DX, |
reed | 0c9b1a8 | 2015-03-17 17:44:06 -0700 | [diff] [blame] | 345 | SA8_alpha_D32_filter_DX, |
herb | 6eff52a | 2016-03-23 09:00:33 -0700 | [diff] [blame^] | 346 | |
reed | 0c9b1a8 | 2015-03-17 17:44:06 -0700 | [diff] [blame] | 347 | // todo: possibly specialize on opaqueness |
| 348 | SG8_alpha_D32_nofilter_DXDY, |
| 349 | SG8_alpha_D32_nofilter_DXDY, |
| 350 | SG8_alpha_D32_nofilter_DX, |
| 351 | SG8_alpha_D32_nofilter_DX, |
| 352 | SG8_alpha_D32_filter_DXDY, |
| 353 | SG8_alpha_D32_filter_DXDY, |
| 354 | SG8_alpha_D32_filter_DX, |
| 355 | SG8_alpha_D32_filter_DX |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 356 | }; |
reed | 26feeba | 2015-01-14 12:28:22 -0800 | [diff] [blame] | 357 | #endif |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 358 | |
| 359 | fSampleProc32 = SK_ARM_NEON_WRAP(gSkBitmapProcStateSample32)[index]; |
| 360 | index >>= 1; // shift away any opaque/alpha distinction |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 361 | |
| 362 | // our special-case shaderprocs |
reed | 4e5a758 | 2016-01-05 05:10:33 -0800 | [diff] [blame] | 363 | 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] | 364 | fShaderProc32 = SK_ARM_NEON_WRAP(Clamp_SI8_opaque_D32_filter_DX_shaderproc); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 365 | } else if (S32_opaque_D32_nofilter_DX == fSampleProc32 && clampClamp) { |
| 366 | fShaderProc32 = Clamp_S32_opaque_D32_nofilter_DX_shaderproc; |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 367 | } |
| 368 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 369 | if (nullptr == fShaderProc32) { |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 370 | fShaderProc32 = this->chooseShaderProc32(); |
| 371 | } |
humper@google.com | b088947 | 2013-07-09 21:37:14 +0000 | [diff] [blame] | 372 | } |
mtklein | 96d68b7 | 2015-02-20 12:40:40 -0800 | [diff] [blame] | 373 | |
reed@android.com | c9a1d4b | 2009-08-03 15:05:55 +0000 | [diff] [blame] | 374 | // see if our platform has any accelerated overrides |
| 375 | this->platformProcs(); |
mtklein | 96d68b7 | 2015-02-20 12:40:40 -0800 | [diff] [blame] | 376 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 377 | return true; |
| 378 | } |
| 379 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 380 | static void Clamp_S32_D32_nofilter_trans_shaderproc(const void* sIn, |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 381 | int x, int y, |
| 382 | SkPMColor* SK_RESTRICT colors, |
| 383 | int count) { |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 384 | const SkBitmapProcState& s = *static_cast<const SkBitmapProcState*>(sIn); |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 385 | SkASSERT(((s.fInvType & ~SkMatrix::kTranslate_Mask)) == 0); |
| 386 | SkASSERT(s.fInvKy == 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 387 | SkASSERT(count > 0 && colors != nullptr); |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 388 | SkASSERT(kNone_SkFilterQuality == s.fFilterQuality); |
skia.committer@gmail.com | 20c301b | 2012-10-17 02:01:13 +0000 | [diff] [blame] | 389 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 390 | const int maxX = s.fPixmap.width() - 1; |
| 391 | const int maxY = s.fPixmap.height() - 1; |
reed@google.com | f7698de | 2012-10-12 20:50:24 +0000 | [diff] [blame] | 392 | int ix = s.fFilterOneX + x; |
| 393 | int iy = SkClampMax(s.fFilterOneY + y, maxY); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 394 | const SkPMColor* row = s.fPixmap.addr32(0, iy); |
skia.committer@gmail.com | 20c301b | 2012-10-17 02:01:13 +0000 | [diff] [blame] | 395 | |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 396 | // clamp to the left |
| 397 | if (ix < 0) { |
| 398 | int n = SkMin32(-ix, count); |
| 399 | sk_memset32(colors, row[0], n); |
| 400 | count -= n; |
| 401 | if (0 == count) { |
| 402 | return; |
| 403 | } |
| 404 | colors += n; |
| 405 | SkASSERT(-ix == n); |
| 406 | ix = 0; |
| 407 | } |
| 408 | // copy the middle |
| 409 | if (ix <= maxX) { |
| 410 | int n = SkMin32(maxX - ix + 1, count); |
| 411 | memcpy(colors, row + ix, n * sizeof(SkPMColor)); |
| 412 | count -= n; |
| 413 | if (0 == count) { |
| 414 | return; |
| 415 | } |
| 416 | colors += n; |
| 417 | } |
| 418 | SkASSERT(count > 0); |
| 419 | // clamp to the right |
| 420 | sk_memset32(colors, row[maxX], count); |
| 421 | } |
| 422 | |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 423 | static inline int sk_int_mod(int x, int n) { |
| 424 | SkASSERT(n > 0); |
| 425 | if ((unsigned)x >= (unsigned)n) { |
| 426 | if (x < 0) { |
| 427 | x = n + ~(~x % n); |
| 428 | } else { |
| 429 | x = x % n; |
| 430 | } |
| 431 | } |
| 432 | return x; |
| 433 | } |
| 434 | |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 435 | static inline int sk_int_mirror(int x, int n) { |
| 436 | x = sk_int_mod(x, 2 * n); |
| 437 | if (x >= n) { |
| 438 | x = n + ~(x - n); |
| 439 | } |
| 440 | return x; |
| 441 | } |
| 442 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 443 | static void Repeat_S32_D32_nofilter_trans_shaderproc(const void* sIn, |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 444 | int x, int y, |
| 445 | SkPMColor* SK_RESTRICT colors, |
| 446 | int count) { |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 447 | const SkBitmapProcState& s = *static_cast<const SkBitmapProcState*>(sIn); |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 448 | SkASSERT(((s.fInvType & ~SkMatrix::kTranslate_Mask)) == 0); |
| 449 | SkASSERT(s.fInvKy == 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 450 | SkASSERT(count > 0 && colors != nullptr); |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 451 | SkASSERT(kNone_SkFilterQuality == s.fFilterQuality); |
skia.committer@gmail.com | 20c301b | 2012-10-17 02:01:13 +0000 | [diff] [blame] | 452 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 453 | const int stopX = s.fPixmap.width(); |
| 454 | const int stopY = s.fPixmap.height(); |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 455 | int ix = s.fFilterOneX + x; |
| 456 | int iy = sk_int_mod(s.fFilterOneY + y, stopY); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 457 | const SkPMColor* row = s.fPixmap.addr32(0, iy); |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 458 | |
| 459 | ix = sk_int_mod(ix, stopX); |
| 460 | for (;;) { |
| 461 | int n = SkMin32(stopX - ix, count); |
| 462 | memcpy(colors, row + ix, n * sizeof(SkPMColor)); |
| 463 | count -= n; |
| 464 | if (0 == count) { |
| 465 | return; |
| 466 | } |
| 467 | colors += n; |
| 468 | ix = 0; |
| 469 | } |
| 470 | } |
| 471 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 472 | static void S32_D32_constX_shaderproc(const void* sIn, |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 473 | int x, int y, |
| 474 | SkPMColor* SK_RESTRICT colors, |
| 475 | int count) { |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 476 | const SkBitmapProcState& s = *static_cast<const SkBitmapProcState*>(sIn); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 477 | SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) == 0); |
| 478 | SkASSERT(s.fInvKy == 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 479 | SkASSERT(count > 0 && colors != nullptr); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 480 | SkASSERT(1 == s.fPixmap.width()); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 481 | |
scroggo@google.com | ad51132 | 2013-02-22 15:50:37 +0000 | [diff] [blame] | 482 | int iY0; |
| 483 | int iY1 SK_INIT_TO_AVOID_WARNING; |
| 484 | int iSubY SK_INIT_TO_AVOID_WARNING; |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 485 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 486 | if (kNone_SkFilterQuality != s.fFilterQuality) { |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 487 | SkBitmapProcState::MatrixProc mproc = s.getMatrixProc(); |
| 488 | uint32_t xy[2]; |
| 489 | |
| 490 | mproc(s, xy, 1, x, y); |
| 491 | |
| 492 | iY0 = xy[0] >> 18; |
| 493 | iY1 = xy[0] & 0x3FFF; |
| 494 | iSubY = (xy[0] >> 14) & 0xF; |
| 495 | } else { |
| 496 | int yTemp; |
| 497 | |
| 498 | if (s.fInvType > SkMatrix::kTranslate_Mask) { |
fmalita | eb54307 | 2016-02-02 10:17:24 -0800 | [diff] [blame] | 499 | const SkBitmapProcStateAutoMapper mapper(s, x, y); |
| 500 | |
robertphillips@google.com | 1e30523 | 2013-01-22 20:29:16 +0000 | [diff] [blame] | 501 | // 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] | 502 | // chooseProcs multiples the inverse matrix by the inverse of the |
robertphillips@google.com | 1e30523 | 2013-01-22 20:29:16 +0000 | [diff] [blame] | 503 | // bitmap's width and height. Since this method is going to do |
| 504 | // its own tiling and sampling we need to undo that here. |
robertphillips@google.com | d507775 | 2013-01-23 00:36:02 +0000 | [diff] [blame] | 505 | if (SkShader::kClamp_TileMode != s.fTileModeX || |
| 506 | SkShader::kClamp_TileMode != s.fTileModeY) { |
fmalita | be5cfa9 | 2016-02-03 10:21:33 -0800 | [diff] [blame] | 507 | yTemp = SkFractionalIntToInt(mapper.fractionalIntY() * s.fPixmap.height()); |
robertphillips@google.com | d507775 | 2013-01-23 00:36:02 +0000 | [diff] [blame] | 508 | } else { |
fmalita | be5cfa9 | 2016-02-03 10:21:33 -0800 | [diff] [blame] | 509 | yTemp = mapper.intY(); |
robertphillips@google.com | d507775 | 2013-01-23 00:36:02 +0000 | [diff] [blame] | 510 | } |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 511 | } else { |
| 512 | yTemp = s.fFilterOneY + y; |
| 513 | } |
| 514 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 515 | const int stopY = s.fPixmap.height(); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 516 | switch (s.fTileModeY) { |
| 517 | case SkShader::kClamp_TileMode: |
| 518 | iY0 = SkClampMax(yTemp, stopY-1); |
| 519 | break; |
| 520 | case SkShader::kRepeat_TileMode: |
| 521 | iY0 = sk_int_mod(yTemp, stopY); |
| 522 | break; |
| 523 | case SkShader::kMirror_TileMode: |
| 524 | default: |
| 525 | iY0 = sk_int_mirror(yTemp, stopY); |
| 526 | break; |
| 527 | } |
| 528 | |
fmalita | d2a4271 | 2016-02-01 04:48:39 -0800 | [diff] [blame] | 529 | #ifdef SK_DEBUG |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 530 | { |
fmalita | eb54307 | 2016-02-02 10:17:24 -0800 | [diff] [blame] | 531 | const SkBitmapProcStateAutoMapper mapper(s, x, y); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 532 | int iY2; |
fmalita | eb54307 | 2016-02-02 10:17:24 -0800 | [diff] [blame] | 533 | |
| 534 | if (s.fInvType > SkMatrix::kTranslate_Mask && |
| 535 | (SkShader::kClamp_TileMode != s.fTileModeX || |
| 536 | SkShader::kClamp_TileMode != s.fTileModeY)) { |
fmalita | be5cfa9 | 2016-02-03 10:21:33 -0800 | [diff] [blame] | 537 | iY2 = SkFractionalIntToInt(mapper.fractionalIntY() * s.fPixmap.height()); |
fmalita | d2a4271 | 2016-02-01 04:48:39 -0800 | [diff] [blame] | 538 | } else { |
fmalita | be5cfa9 | 2016-02-03 10:21:33 -0800 | [diff] [blame] | 539 | iY2 = mapper.intY(); |
fmalita | d2a4271 | 2016-02-01 04:48:39 -0800 | [diff] [blame] | 540 | } |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 541 | |
| 542 | switch (s.fTileModeY) { |
| 543 | case SkShader::kClamp_TileMode: |
fmalita | d2a4271 | 2016-02-01 04:48:39 -0800 | [diff] [blame] | 544 | iY2 = SkClampMax(iY2, stopY-1); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 545 | break; |
| 546 | case SkShader::kRepeat_TileMode: |
fmalita | d2a4271 | 2016-02-01 04:48:39 -0800 | [diff] [blame] | 547 | iY2 = sk_int_mod(iY2, stopY); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 548 | break; |
| 549 | case SkShader::kMirror_TileMode: |
| 550 | default: |
fmalita | d2a4271 | 2016-02-01 04:48:39 -0800 | [diff] [blame] | 551 | iY2 = sk_int_mirror(iY2, stopY); |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 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 | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 563 | if (kNone_SkFilterQuality != s.fFilterQuality) { |
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() { |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 589 | SkPoint pt; |
fmalita | 8a8eb52 | 2016-01-30 18:56:34 -0800 | [diff] [blame] | 590 | const SkBitmapProcStateAutoMapper mapper(*this, 0, 0, &pt); |
fmalita | 653c12d | 2016-01-30 10:06:46 -0800 | [diff] [blame] | 591 | |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 592 | /* |
| 593 | * if the translate is larger than our ints, we can get random results, or |
| 594 | * worse, we might get 0x80000000, which wreaks havoc on us, since we can't |
| 595 | * negate it. |
| 596 | */ |
fmalita | 8a8eb52 | 2016-01-30 18:56:34 -0800 | [diff] [blame] | 597 | const SkScalar too_big = SkIntToScalar(1 << 30); |
| 598 | if (SkScalarAbs(pt.fX) > too_big || SkScalarAbs(pt.fY) > too_big) { |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 599 | return false; |
| 600 | } |
| 601 | |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 602 | // Since we know we're not filtered, we re-purpose these fields allow |
| 603 | // us to go from device -> src coordinates w/ just an integer add, |
| 604 | // rather than running through the inverse-matrix |
fmalita | be5cfa9 | 2016-02-03 10:21:33 -0800 | [diff] [blame] | 605 | fFilterOneX = mapper.intX(); |
| 606 | fFilterOneY = mapper.intY(); |
fmalita | 653c12d | 2016-01-30 10:06:46 -0800 | [diff] [blame] | 607 | |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 608 | return true; |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 609 | } |
| 610 | |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 611 | SkBitmapProcState::ShaderProc32 SkBitmapProcState::chooseShaderProc32() { |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 612 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 613 | if (kN32_SkColorType != fPixmap.colorType()) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 614 | return nullptr; |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | static const unsigned kMask = SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask; |
| 618 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 619 | if (1 == fPixmap.width() && 0 == (fInvType & ~kMask)) { |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 620 | if (kNone_SkFilterQuality == fFilterQuality && |
humper@google.com | 9c96d4b | 2013-07-14 01:44:59 +0000 | [diff] [blame] | 621 | fInvType <= SkMatrix::kTranslate_Mask && |
| 622 | !this->setupForTranslate()) { |
robertphillips@google.com | 8b8bf4d | 2013-01-18 16:38:40 +0000 | [diff] [blame] | 623 | return DoNothing_shaderproc; |
| 624 | } |
| 625 | return S32_D32_constX_shaderproc; |
| 626 | } |
| 627 | |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 628 | if (fAlphaScale < 256) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 629 | return nullptr; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 630 | } |
| 631 | if (fInvType > SkMatrix::kTranslate_Mask) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 632 | return nullptr; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 633 | } |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 634 | if (kNone_SkFilterQuality != fFilterQuality) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 635 | return nullptr; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 636 | } |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 637 | |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 638 | SkShader::TileMode tx = (SkShader::TileMode)fTileModeX; |
| 639 | SkShader::TileMode ty = (SkShader::TileMode)fTileModeY; |
| 640 | |
| 641 | if (SkShader::kClamp_TileMode == tx && SkShader::kClamp_TileMode == ty) { |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 642 | if (this->setupForTranslate()) { |
| 643 | return Clamp_S32_D32_nofilter_trans_shaderproc; |
| 644 | } |
| 645 | return DoNothing_shaderproc; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 646 | } |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 647 | if (SkShader::kRepeat_TileMode == tx && SkShader::kRepeat_TileMode == ty) { |
reed@google.com | 6bb92bc | 2012-11-20 19:45:16 +0000 | [diff] [blame] | 648 | if (this->setupForTranslate()) { |
| 649 | return Repeat_S32_D32_nofilter_trans_shaderproc; |
| 650 | } |
| 651 | return DoNothing_shaderproc; |
reed@google.com | a8d9930 | 2012-10-16 20:23:25 +0000 | [diff] [blame] | 652 | } |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 653 | return nullptr; |
reed@google.com | 9a4c746 | 2012-10-12 18:21:37 +0000 | [diff] [blame] | 654 | } |
| 655 | |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 656 | /////////////////////////////////////////////////////////////////////////////// |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 657 | |
| 658 | #ifdef SK_DEBUG |
| 659 | |
| 660 | static void check_scale_nofilter(uint32_t bitmapXY[], int count, |
| 661 | unsigned mx, unsigned my) { |
| 662 | unsigned y = *bitmapXY++; |
| 663 | SkASSERT(y < my); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 664 | |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 665 | const uint16_t* xptr = reinterpret_cast<const uint16_t*>(bitmapXY); |
| 666 | for (int i = 0; i < count; ++i) { |
| 667 | SkASSERT(xptr[i] < mx); |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | static void check_scale_filter(uint32_t bitmapXY[], int count, |
| 672 | unsigned mx, unsigned my) { |
| 673 | uint32_t YY = *bitmapXY++; |
| 674 | unsigned y0 = YY >> 18; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 675 | unsigned y1 = YY & 0x3FFF; |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 676 | SkASSERT(y0 < my); |
| 677 | SkASSERT(y1 < my); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 678 | |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 679 | for (int i = 0; i < count; ++i) { |
| 680 | uint32_t XX = bitmapXY[i]; |
| 681 | unsigned x0 = XX >> 18; |
| 682 | unsigned x1 = XX & 0x3FFF; |
| 683 | SkASSERT(x0 < mx); |
| 684 | SkASSERT(x1 < mx); |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | static void check_affine_nofilter(uint32_t bitmapXY[], int count, |
| 689 | unsigned mx, unsigned my) { |
| 690 | for (int i = 0; i < count; ++i) { |
| 691 | uint32_t XY = bitmapXY[i]; |
| 692 | unsigned x = XY & 0xFFFF; |
| 693 | unsigned y = XY >> 16; |
| 694 | SkASSERT(x < mx); |
| 695 | SkASSERT(y < my); |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | static void check_affine_filter(uint32_t bitmapXY[], int count, |
| 700 | unsigned mx, unsigned my) { |
| 701 | for (int i = 0; i < count; ++i) { |
| 702 | uint32_t YY = *bitmapXY++; |
| 703 | unsigned y0 = YY >> 18; |
| 704 | unsigned y1 = YY & 0x3FFF; |
| 705 | SkASSERT(y0 < my); |
| 706 | SkASSERT(y1 < my); |
| 707 | |
| 708 | uint32_t XX = *bitmapXY++; |
| 709 | unsigned x0 = XX >> 18; |
| 710 | unsigned x1 = XX & 0x3FFF; |
| 711 | SkASSERT(x0 < mx); |
| 712 | SkASSERT(x1 < mx); |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | void SkBitmapProcState::DebugMatrixProc(const SkBitmapProcState& state, |
| 717 | uint32_t bitmapXY[], int count, |
| 718 | int x, int y) { |
| 719 | SkASSERT(bitmapXY); |
| 720 | SkASSERT(count > 0); |
| 721 | |
| 722 | state.fMatrixProc(state, bitmapXY, count, x, y); |
| 723 | |
| 724 | void (*proc)(uint32_t bitmapXY[], int count, unsigned mx, unsigned my); |
| 725 | |
| 726 | // There are four formats possible: |
| 727 | // scale -vs- affine |
| 728 | // filter -vs- nofilter |
| 729 | if (state.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) { |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 730 | proc = state.fFilterQuality != kNone_SkFilterQuality ? |
| 731 | check_scale_filter : check_scale_nofilter; |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 732 | } else { |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 733 | proc = state.fFilterQuality != kNone_SkFilterQuality ? |
| 734 | check_affine_filter : check_affine_nofilter; |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 735 | } |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 736 | proc(bitmapXY, count, state.fPixmap.width(), state.fPixmap.height()); |
reed@google.com | 9fe287b | 2012-03-27 15:54:28 +0000 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | SkBitmapProcState::MatrixProc SkBitmapProcState::getMatrixProc() const { |
| 740 | return DebugMatrixProc; |
| 741 | } |
| 742 | |
| 743 | #endif |
| 744 | |
| 745 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 746 | /* |
| 747 | The storage requirements for the different matrix procs are as follows, |
| 748 | 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] | 749 | |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 750 | scale/translate nofilter Y(4bytes) + N * X |
| 751 | affine/perspective nofilter N * (X Y) |
| 752 | scale/translate filter Y Y + N * (X X) |
| 753 | affine/perspective filter N * (Y Y X X) |
| 754 | */ |
| 755 | int SkBitmapProcState::maxCountForBufferSize(size_t bufferSize) const { |
| 756 | int32_t size = static_cast<int32_t>(bufferSize); |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 757 | |
| 758 | size &= ~3; // only care about 4-byte aligned chunks |
| 759 | if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) { |
| 760 | size -= 4; // the shared Y (or YY) coordinate |
| 761 | if (size < 0) { |
| 762 | size = 0; |
| 763 | } |
reed@android.com | 258cb22 | 2010-04-14 13:36:33 +0000 | [diff] [blame] | 764 | size >>= 1; |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 765 | } else { |
reed@android.com | 258cb22 | 2010-04-14 13:36:33 +0000 | [diff] [blame] | 766 | size >>= 2; |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 767 | } |
| 768 | |
reed | 05a5647 | 2016-03-02 09:49:02 -0800 | [diff] [blame] | 769 | if (fFilterQuality != kNone_SkFilterQuality) { |
reed@android.com | 258cb22 | 2010-04-14 13:36:33 +0000 | [diff] [blame] | 770 | size >>= 1; |
| 771 | } |
| 772 | |
| 773 | return size; |
reed@android.com | 4c128c4 | 2009-08-14 13:54:37 +0000 | [diff] [blame] | 774 | } |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 775 | |
| 776 | /////////////////////// |
| 777 | |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 778 | 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] | 779 | SkPMColor* SK_RESTRICT dst, int count) { |
herb | c7a784c | 2015-12-18 09:52:15 -0800 | [diff] [blame] | 780 | const SkBitmapProcState& s = *static_cast<const SkBitmapProcState*>(sIn); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 781 | SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask | |
| 782 | SkMatrix::kScale_Mask)) == 0); |
| 783 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 784 | const unsigned maxX = s.fPixmap.width() - 1; |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 785 | SkFractionalInt fx; |
| 786 | int dstY; |
| 787 | { |
fmalita | b3a8358 | 2016-01-04 10:28:11 -0800 | [diff] [blame] | 788 | const SkBitmapProcStateAutoMapper mapper(s, x, y); |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 789 | const unsigned maxY = s.fPixmap.height() - 1; |
fmalita | be5cfa9 | 2016-02-03 10:21:33 -0800 | [diff] [blame] | 790 | dstY = SkClampMax(mapper.intY(), maxY); |
| 791 | fx = mapper.fractionalIntX(); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 792 | } |
| 793 | |
reed | ad7ae6c | 2015-06-04 14:12:25 -0700 | [diff] [blame] | 794 | const SkPMColor* SK_RESTRICT src = s.fPixmap.addr32(0, dstY); |
mtklein | 14e4d39 | 2014-10-23 14:35:01 -0700 | [diff] [blame] | 795 | const SkFractionalInt dx = s.fInvSxFractionalInt; |
| 796 | |
| 797 | // Check if we're safely inside [0...maxX] so no need to clamp each computed index. |
| 798 | // |
| 799 | if ((uint64_t)SkFractionalIntToInt(fx) <= maxX && |
| 800 | (uint64_t)SkFractionalIntToInt(fx + dx * (count - 1)) <= maxX) |
| 801 | { |
| 802 | int count4 = count >> 2; |
| 803 | for (int i = 0; i < count4; ++i) { |
| 804 | SkPMColor src0 = src[SkFractionalIntToInt(fx)]; fx += dx; |
| 805 | SkPMColor src1 = src[SkFractionalIntToInt(fx)]; fx += dx; |
| 806 | SkPMColor src2 = src[SkFractionalIntToInt(fx)]; fx += dx; |
| 807 | SkPMColor src3 = src[SkFractionalIntToInt(fx)]; fx += dx; |
| 808 | dst[0] = src0; |
| 809 | dst[1] = src1; |
| 810 | dst[2] = src2; |
| 811 | dst[3] = src3; |
| 812 | dst += 4; |
| 813 | } |
| 814 | for (int i = (count4 << 2); i < count; ++i) { |
| 815 | unsigned index = SkFractionalIntToInt(fx); |
| 816 | SkASSERT(index <= maxX); |
| 817 | *dst++ = src[index]; |
| 818 | fx += dx; |
| 819 | } |
| 820 | } else { |
| 821 | for (int i = 0; i < count; ++i) { |
| 822 | dst[i] = src[SkClampMax(SkFractionalIntToInt(fx), maxX)]; |
| 823 | fx += dx; |
| 824 | } |
| 825 | } |
| 826 | } |
fmalita | 3e6be16 | 2015-12-18 09:36:18 -0800 | [diff] [blame] | 827 | |