reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 | */ |
| 7 | |
Hal Canary | 95e3c05 | 2017-01-11 12:44:43 -0500 | [diff] [blame] | 8 | #include "SkAutoMalloc.h" |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 9 | #include "SkColorFilter.h" |
| 10 | #include "SkDrawLooper.h" |
| 11 | #include "SkImageFilter.h" |
| 12 | #include "SkMaskFilter.h" |
Hal Canary | 95e3c05 | 2017-01-11 12:44:43 -0500 | [diff] [blame] | 13 | #include "SkPathEffect.h" |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 14 | #include "SkPipeCanvas.h" |
| 15 | #include "SkPipeFormat.h" |
Mike Reed | 60691a5 | 2017-12-05 15:11:24 -0500 | [diff] [blame^] | 16 | #include "SkPixelSerializer.h" |
Kevin Lubick | c456b73 | 2017-01-11 17:21:57 +0000 | [diff] [blame] | 17 | #include "SkRSXform.h" |
Hal Canary | 95e3c05 | 2017-01-11 12:44:43 -0500 | [diff] [blame] | 18 | #include "SkRasterizer.h" |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 19 | #include "SkShader.h" |
| 20 | #include "SkStream.h" |
| 21 | #include "SkTextBlob.h" |
| 22 | #include "SkTypeface.h" |
| 23 | |
| 24 | template <typename T> void write_rrect(T* writer, const SkRRect& rrect) { |
| 25 | char tmp[SkRRect::kSizeInMemory]; |
| 26 | rrect.writeToMemory(tmp); |
| 27 | writer->write(tmp, SkRRect::kSizeInMemory); |
| 28 | } |
| 29 | |
| 30 | template <typename T> void write_pad(T* writer, const void* buffer, size_t len) { |
| 31 | writer->write(buffer, len & ~3); |
| 32 | if (len & 3) { |
| 33 | const char* src = (const char*)buffer + (len & ~3); |
| 34 | len &= 3; |
| 35 | uint32_t tmp = 0; |
| 36 | memcpy(&tmp, src, len); |
| 37 | writer->write(&tmp, 4); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 42 | |
| 43 | static uint16_t compute_nondef(const SkPaint& paint, PaintUsage usage) { |
| 44 | // kRespectsStroke_PaintUsage is only valid if other bits are also set |
| 45 | SkASSERT(0 != (usage & ~kRespectsStroke_PaintUsage)); |
| 46 | |
| 47 | const SkScalar kTextSize_Default = 12; |
| 48 | const SkScalar kTextScaleX_Default = 1; |
| 49 | const SkScalar kTextSkewX_Default = 0; |
| 50 | const SkScalar kStrokeWidth_Default = 0; |
| 51 | const SkScalar kStrokeMiter_Default = 4; |
| 52 | const SkColor kColor_Default = SK_ColorBLACK; |
| 53 | |
| 54 | unsigned bits = (paint.getColor() != kColor_Default) ? kColor_NonDef : 0; |
| 55 | |
| 56 | if (usage & kText_PaintUsage) { |
| 57 | bits |= (paint.getTextSize() != kTextSize_Default ? kTextSize_NonDef : 0); |
| 58 | bits |= (paint.getTextScaleX() != kTextScaleX_Default ? kTextScaleX_NonDef : 0); |
| 59 | bits |= (paint.getTextSkewX() != kTextSkewX_Default ? kTextSkewX_NonDef : 0); |
| 60 | bits |= (paint.getTypeface() ? kTypeface_NonDef : 0); |
| 61 | } |
| 62 | |
| 63 | // TODO: kImage_PaintUsage only needs the shader/maskfilter IF its colortype is kAlpha_8 |
| 64 | |
| 65 | if (usage & (kVertices_PaintUsage | kDrawPaint_PaintUsage | kImage_PaintUsage | |
| 66 | kText_PaintUsage | kGeometry_PaintUsage | kTextBlob_PaintUsage)) { |
| 67 | bits |= (paint.getShader() ? kShader_NonDef : 0); |
| 68 | } |
| 69 | |
| 70 | if (usage & (kText_PaintUsage | kGeometry_PaintUsage | kTextBlob_PaintUsage)) { |
| 71 | bits |= (paint.getPathEffect() ? kPathEffect_NonDef : 0); |
| 72 | bits |= (paint.getRasterizer() ? kRasterizer_NonDef : 0); |
| 73 | |
| 74 | if (paint.getStyle() != SkPaint::kFill_Style || (usage & kRespectsStroke_PaintUsage)) { |
| 75 | bits |= (paint.getStrokeWidth() != kStrokeWidth_Default ? kStrokeWidth_NonDef : 0); |
| 76 | bits |= (paint.getStrokeMiter() != kStrokeMiter_Default ? kStrokeMiter_NonDef : 0); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | if (usage & |
| 81 | (kText_PaintUsage | kGeometry_PaintUsage | kImage_PaintUsage | kTextBlob_PaintUsage)) |
| 82 | { |
| 83 | bits |= (paint.getMaskFilter() ? kMaskFilter_NonDef : 0); |
| 84 | } |
| 85 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 86 | bits |= (paint.getColorFilter() ? kColorFilter_NonDef : 0); |
| 87 | bits |= (paint.getImageFilter() ? kImageFilter_NonDef : 0); |
| 88 | bits |= (paint.getDrawLooper() ? kDrawLooper_NonDef : 0); |
| 89 | |
| 90 | return SkToU16(bits); |
| 91 | } |
| 92 | |
| 93 | static uint32_t pack_paint_flags(unsigned flags, unsigned hint, unsigned align, |
| 94 | unsigned filter, unsigned style, unsigned caps, unsigned joins, |
| 95 | unsigned encoding) { |
| 96 | SkASSERT(kFlags_BPF + kHint_BPF + kAlign_BPF + kFilter_BPF <= 32); |
| 97 | |
| 98 | ASSERT_FITS_IN(flags, kFlags_BPF); |
| 99 | ASSERT_FITS_IN(filter, kFilter_BPF); |
| 100 | ASSERT_FITS_IN(style, kStyle_BPF); |
| 101 | ASSERT_FITS_IN(caps, kCaps_BPF); |
| 102 | ASSERT_FITS_IN(joins, kJoins_BPF); |
| 103 | ASSERT_FITS_IN(hint, kHint_BPF); |
| 104 | ASSERT_FITS_IN(align, kAlign_BPF); |
| 105 | ASSERT_FITS_IN(encoding, kEncoding_BPF); |
| 106 | |
| 107 | // left-align the fields of "known" size, and right-align the last (flatFlags) so it can easly |
| 108 | // add more bits in the future. |
| 109 | |
| 110 | uint32_t packed = 0; |
| 111 | int shift = 32; |
| 112 | |
| 113 | shift -= kFlags_BPF; packed |= (flags << shift); |
| 114 | shift -= kFilter_BPF; packed |= (filter << shift); |
| 115 | shift -= kStyle_BPF; packed |= (style << shift); |
| 116 | // these are only needed for stroking (geometry or text) |
| 117 | shift -= kCaps_BPF; packed |= (caps << shift); |
| 118 | shift -= kJoins_BPF; packed |= (joins << shift); |
| 119 | // these are only needed for text |
| 120 | shift -= kHint_BPF; packed |= (hint << shift); |
| 121 | shift -= kAlign_BPF; packed |= (align << shift); |
| 122 | shift -= kEncoding_BPF; packed |= (encoding << shift); |
| 123 | |
| 124 | return packed; |
| 125 | } |
| 126 | |
| 127 | #define CHECK_WRITE_SCALAR(writer, nondef, paint, Field) \ |
| 128 | do { if (nondef & (k##Field##_NonDef)) { \ |
| 129 | writer.writeScalar(paint.get##Field()); \ |
| 130 | }} while (0) |
| 131 | |
| 132 | #define CHECK_WRITE_FLATTENABLE(writer, nondef, paint, Field) \ |
| 133 | do { if (nondef & (k##Field##_NonDef)) { \ |
| 134 | SkFlattenable* f = paint.get##Field(); \ |
| 135 | SkASSERT(f != nullptr); \ |
| 136 | writer.writeFlattenable(f); \ |
| 137 | } } while (0) |
| 138 | |
| 139 | /* |
| 140 | * Header: |
| 141 | * paint flags : 32 |
| 142 | * non_def bits : 16 |
| 143 | * xfermode enum : 8 |
| 144 | * pad zeros : 8 |
| 145 | */ |
| 146 | static void write_paint(SkWriteBuffer& writer, const SkPaint& paint, unsigned usage) { |
| 147 | uint32_t packedFlags = pack_paint_flags(paint.getFlags(), paint.getHinting(), |
| 148 | paint.getTextAlign(), paint.getFilterQuality(), |
| 149 | paint.getStyle(), paint.getStrokeCap(), |
| 150 | paint.getStrokeJoin(), paint.getTextEncoding()); |
| 151 | writer.write32(packedFlags); |
| 152 | |
| 153 | unsigned nondef = compute_nondef(paint, (PaintUsage)usage); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 154 | const uint8_t pad = 0; |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 155 | writer.write32((nondef << 16) | ((unsigned)paint.getBlendMode() << 8) | pad); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 156 | |
| 157 | CHECK_WRITE_SCALAR(writer, nondef, paint, TextSize); |
| 158 | CHECK_WRITE_SCALAR(writer, nondef, paint, TextScaleX); |
| 159 | CHECK_WRITE_SCALAR(writer, nondef, paint, TextSkewX); |
| 160 | CHECK_WRITE_SCALAR(writer, nondef, paint, StrokeWidth); |
| 161 | CHECK_WRITE_SCALAR(writer, nondef, paint, StrokeMiter); |
| 162 | |
| 163 | if (nondef & kColor_NonDef) { |
| 164 | writer.write32(paint.getColor()); |
| 165 | } |
| 166 | if (nondef & kTypeface_NonDef) { |
| 167 | // TODO: explore idea of writing bits indicating "use the prev (or prev N) face" |
| 168 | // e.g. 1-N bits is an index into a ring buffer of typefaces |
| 169 | SkTypeface* tf = paint.getTypeface(); |
| 170 | SkASSERT(tf); |
| 171 | writer.writeTypeface(tf); |
| 172 | } |
| 173 | |
| 174 | CHECK_WRITE_FLATTENABLE(writer, nondef, paint, PathEffect); |
| 175 | CHECK_WRITE_FLATTENABLE(writer, nondef, paint, Shader); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 176 | CHECK_WRITE_FLATTENABLE(writer, nondef, paint, MaskFilter); |
| 177 | CHECK_WRITE_FLATTENABLE(writer, nondef, paint, ColorFilter); |
| 178 | CHECK_WRITE_FLATTENABLE(writer, nondef, paint, Rasterizer); |
| 179 | CHECK_WRITE_FLATTENABLE(writer, nondef, paint, ImageFilter); |
| 180 | CHECK_WRITE_FLATTENABLE(writer, nondef, paint, DrawLooper); |
| 181 | } |
| 182 | |
| 183 | class SkPipeWriter : public SkBinaryWriteBuffer { |
| 184 | enum { |
| 185 | N = 1024/4, |
| 186 | }; |
| 187 | uint32_t fStorage[N]; |
| 188 | SkWStream* fStream; |
| 189 | |
| 190 | public: |
| 191 | SkPipeWriter(SkWStream* stream, SkDeduper* deduper) |
| 192 | : SkBinaryWriteBuffer(fStorage, sizeof(fStorage)) |
| 193 | , fStream(stream) |
| 194 | { |
| 195 | this->setDeduper(deduper); |
| 196 | } |
| 197 | |
| 198 | SkPipeWriter(SkPipeCanvas* pc) : SkPipeWriter(pc->fStream, pc->fDeduper) {} |
| 199 | |
| 200 | ~SkPipeWriter() override { |
| 201 | SkASSERT(SkIsAlign4(fStream->bytesWritten())); |
| 202 | this->writeToStream(fStream); |
| 203 | } |
| 204 | |
| 205 | void writePaint(const SkPaint& paint) override { |
| 206 | write_paint(*this, paint, kUnknown_PaintUsage); |
| 207 | } |
| 208 | }; |
| 209 | |
| 210 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 211 | |
| 212 | SkPipeCanvas::SkPipeCanvas(const SkRect& cull, SkPipeDeduper* deduper, SkWStream* stream) |
Florin Malita | 439ace9 | 2016-12-02 12:05:41 -0500 | [diff] [blame] | 213 | : INHERITED(cull.roundOut()) |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 214 | , fDeduper(deduper) |
| 215 | , fStream(stream) |
| 216 | {} |
| 217 | |
| 218 | SkPipeCanvas::~SkPipeCanvas() {} |
| 219 | |
| 220 | void SkPipeCanvas::willSave() { |
| 221 | fStream->write32(pack_verb(SkPipeVerb::kSave)); |
| 222 | this->INHERITED::willSave(); |
| 223 | } |
| 224 | |
| 225 | SkCanvas::SaveLayerStrategy SkPipeCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) { |
| 226 | SkPipeWriter writer(this); |
| 227 | uint32_t extra = rec.fSaveLayerFlags; |
| 228 | |
| 229 | // remap this wacky flag |
| 230 | if (extra & (1 << 31)/*SkCanvas::kDontClipToLayer_PrivateSaveLayerFlag*/) { |
| 231 | extra &= ~(1 << 31); |
| 232 | extra |= kDontClipToLayer_SaveLayerMask; |
| 233 | } |
| 234 | |
| 235 | if (rec.fBounds) { |
| 236 | extra |= kHasBounds_SaveLayerMask; |
| 237 | } |
| 238 | if (rec.fPaint) { |
| 239 | extra |= kHasPaint_SaveLayerMask; |
| 240 | } |
| 241 | if (rec.fBackdrop) { |
| 242 | extra |= kHasBackdrop_SaveLayerMask; |
| 243 | } |
Florin Malita | 53f77bd | 2017-04-28 13:48:37 -0400 | [diff] [blame] | 244 | if (rec.fClipMask) { |
| 245 | extra |= kHasClipMask_SaveLayerMask; |
| 246 | } |
| 247 | if (rec.fClipMatrix) { |
| 248 | extra |= kHasClipMatrix_SaveLayerMask; |
| 249 | } |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 250 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 251 | writer.write32(pack_verb(SkPipeVerb::kSaveLayer, extra)); |
| 252 | if (rec.fBounds) { |
| 253 | writer.writeRect(*rec.fBounds); |
| 254 | } |
| 255 | if (rec.fPaint) { |
| 256 | write_paint(writer, *rec.fPaint, kSaveLayer_PaintUsage); |
| 257 | } |
| 258 | if (rec.fBackdrop) { |
| 259 | writer.writeFlattenable(rec.fBackdrop); |
| 260 | } |
Florin Malita | 53f77bd | 2017-04-28 13:48:37 -0400 | [diff] [blame] | 261 | if (rec.fClipMask) { |
Mike Klein | b34ab04 | 2017-05-01 21:34:14 +0000 | [diff] [blame] | 262 | writer.writeImage(rec.fClipMask); |
Florin Malita | 53f77bd | 2017-04-28 13:48:37 -0400 | [diff] [blame] | 263 | } |
| 264 | if (rec.fClipMatrix) { |
| 265 | writer.writeMatrix(*rec.fClipMatrix); |
| 266 | } |
| 267 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 268 | return kNoLayer_SaveLayerStrategy; |
| 269 | } |
| 270 | |
| 271 | void SkPipeCanvas::willRestore() { |
| 272 | fStream->write32(pack_verb(SkPipeVerb::kRestore)); |
| 273 | this->INHERITED::willRestore(); |
| 274 | } |
| 275 | |
| 276 | template <typename T> void write_sparse_matrix(T* writer, const SkMatrix& matrix) { |
| 277 | SkMatrix::TypeMask tm = matrix.getType(); |
| 278 | SkScalar tmp[9]; |
| 279 | if (tm & SkMatrix::kPerspective_Mask) { |
| 280 | matrix.get9(tmp); |
| 281 | writer->write(tmp, 9 * sizeof(SkScalar)); |
| 282 | } else if (tm & SkMatrix::kAffine_Mask) { |
| 283 | tmp[0] = matrix[SkMatrix::kMScaleX]; |
| 284 | tmp[1] = matrix[SkMatrix::kMSkewX]; |
| 285 | tmp[2] = matrix[SkMatrix::kMTransX]; |
| 286 | tmp[3] = matrix[SkMatrix::kMScaleY]; |
| 287 | tmp[4] = matrix[SkMatrix::kMSkewY]; |
| 288 | tmp[5] = matrix[SkMatrix::kMTransY]; |
| 289 | writer->write(tmp, 6 * sizeof(SkScalar)); |
| 290 | } else if (tm & SkMatrix::kScale_Mask) { |
| 291 | tmp[0] = matrix[SkMatrix::kMScaleX]; |
| 292 | tmp[1] = matrix[SkMatrix::kMTransX]; |
| 293 | tmp[2] = matrix[SkMatrix::kMScaleY]; |
| 294 | tmp[3] = matrix[SkMatrix::kMTransY]; |
| 295 | writer->write(tmp, 4 * sizeof(SkScalar)); |
| 296 | } else if (tm & SkMatrix::kTranslate_Mask) { |
| 297 | tmp[0] = matrix[SkMatrix::kMTransX]; |
| 298 | tmp[1] = matrix[SkMatrix::kMTransY]; |
| 299 | writer->write(tmp, 2 * sizeof(SkScalar)); |
| 300 | } |
| 301 | // else write nothing for Identity |
| 302 | } |
| 303 | |
| 304 | static void do_concat(SkWStream* stream, const SkMatrix& matrix, bool isSetMatrix) { |
| 305 | unsigned mtype = matrix.getType(); |
| 306 | SkASSERT(0 == (mtype & ~kTypeMask_ConcatMask)); |
| 307 | unsigned extra = mtype; |
| 308 | if (isSetMatrix) { |
| 309 | extra |= kSetMatrix_ConcatMask; |
| 310 | } |
| 311 | if (mtype || isSetMatrix) { |
| 312 | stream->write32(pack_verb(SkPipeVerb::kConcat, extra)); |
| 313 | write_sparse_matrix(stream, matrix); |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | void SkPipeCanvas::didConcat(const SkMatrix& matrix) { |
| 318 | do_concat(fStream, matrix, false); |
| 319 | this->INHERITED::didConcat(matrix); |
| 320 | } |
| 321 | |
| 322 | void SkPipeCanvas::didSetMatrix(const SkMatrix& matrix) { |
| 323 | do_concat(fStream, matrix, true); |
| 324 | this->INHERITED::didSetMatrix(matrix); |
| 325 | } |
| 326 | |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 327 | void SkPipeCanvas::onClipRect(const SkRect& rect, SkClipOp op, ClipEdgeStyle edgeStyle) { |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 328 | fStream->write32(pack_verb(SkPipeVerb::kClipRect, ((unsigned)op << 1) | edgeStyle)); |
| 329 | fStream->write(&rect, 4 * sizeof(SkScalar)); |
| 330 | |
| 331 | this->INHERITED::onClipRect(rect, op, edgeStyle); |
| 332 | } |
| 333 | |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 334 | void SkPipeCanvas::onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle edgeStyle) { |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 335 | fStream->write32(pack_verb(SkPipeVerb::kClipRRect, ((unsigned)op << 1) | edgeStyle)); |
| 336 | write_rrect(fStream, rrect); |
| 337 | |
| 338 | this->INHERITED::onClipRRect(rrect, op, edgeStyle); |
| 339 | } |
| 340 | |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 341 | void SkPipeCanvas::onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle edgeStyle) { |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 342 | SkPipeWriter writer(this); |
| 343 | writer.write32(pack_verb(SkPipeVerb::kClipPath, ((unsigned)op << 1) | edgeStyle)); |
| 344 | writer.writePath(path); |
| 345 | |
| 346 | this->INHERITED::onClipPath(path, op, edgeStyle); |
| 347 | } |
| 348 | |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 349 | void SkPipeCanvas::onClipRegion(const SkRegion& deviceRgn, SkClipOp op) { |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 350 | SkPipeWriter writer(this); |
| 351 | writer.write32(pack_verb(SkPipeVerb::kClipRegion, (unsigned)op << 1)); |
| 352 | writer.writeRegion(deviceRgn); |
| 353 | |
| 354 | this->INHERITED::onClipRegion(deviceRgn, op); |
| 355 | } |
| 356 | |
| 357 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 358 | |
| 359 | void SkPipeCanvas::onDrawArc(const SkRect& bounds, SkScalar startAngle, SkScalar sweepAngle, |
| 360 | bool useCenter, const SkPaint& paint) { |
| 361 | SkPipeWriter writer(this); |
| 362 | writer.write32(pack_verb(SkPipeVerb::kDrawArc, (int)useCenter)); |
| 363 | writer.writeRect(bounds); |
| 364 | writer.writeScalar(startAngle); |
| 365 | writer.writeScalar(sweepAngle); |
| 366 | write_paint(writer, paint, kGeometry_PaintUsage); |
| 367 | } |
| 368 | |
| 369 | void SkPipeCanvas::onDrawAtlas(const SkImage* image, const SkRSXform xform[], const SkRect rect[], |
Mike Reed | faba371 | 2016-11-03 14:45:31 -0400 | [diff] [blame] | 370 | const SkColor colors[], int count, SkBlendMode mode, |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 371 | const SkRect* cull, const SkPaint* paint) { |
| 372 | unsigned extra = (unsigned)mode; |
| 373 | SkASSERT(0 == (extra & ~kMode_DrawAtlasMask)); |
| 374 | if (colors) { |
| 375 | extra |= kHasColors_DrawAtlasMask; |
| 376 | } |
| 377 | if (cull) { |
| 378 | extra |= kHasCull_DrawAtlasMask; |
| 379 | } |
| 380 | if (paint) { |
| 381 | extra |= kHasPaint_DrawAtlasMask; |
| 382 | } |
| 383 | |
| 384 | SkPipeWriter writer(this); |
| 385 | writer.write32(pack_verb(SkPipeVerb::kDrawAtlas, extra)); |
| 386 | writer.writeImage(image); |
| 387 | writer.write32(count); |
| 388 | writer.write(xform, count * sizeof(SkRSXform)); |
| 389 | writer.write(rect, count * sizeof(SkRect)); |
| 390 | if (colors) { |
| 391 | writer.write(colors, count * sizeof(SkColor)); |
| 392 | } |
| 393 | if (cull) { |
| 394 | writer.writeRect(*cull); |
| 395 | } |
| 396 | if (paint) { |
| 397 | write_paint(writer, *paint, kImage_PaintUsage); |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | void SkPipeCanvas::onDrawPaint(const SkPaint& paint) { |
| 402 | SkPipeWriter writer(this); |
| 403 | writer.write32(pack_verb(SkPipeVerb::kDrawPaint)); |
| 404 | write_paint(writer, paint, kDrawPaint_PaintUsage); |
| 405 | } |
| 406 | |
| 407 | void SkPipeCanvas::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| 408 | const SkPaint& paint) { |
| 409 | SkPipeWriter writer(this); |
| 410 | writer.write32(pack_verb(SkPipeVerb::kDrawPoints, mode)); |
| 411 | writer.write32(SkToU32(count)); |
| 412 | writer.write(pts, count * sizeof(SkPoint)); |
| 413 | write_paint(writer, paint, kGeometry_PaintUsage | kRespectsStroke_PaintUsage); |
| 414 | } |
| 415 | |
| 416 | void SkPipeCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) { |
| 417 | SkPipeWriter writer(this); |
| 418 | writer.write32(pack_verb(SkPipeVerb::kDrawRect)); |
| 419 | writer.write(&rect, sizeof(SkRect)); |
| 420 | write_paint(writer, paint, kGeometry_PaintUsage); |
| 421 | } |
| 422 | |
| 423 | void SkPipeCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) { |
| 424 | SkPipeWriter writer(this); |
| 425 | writer.write32(pack_verb(SkPipeVerb::kDrawOval)); |
| 426 | writer.write(&rect, sizeof(SkRect)); |
| 427 | write_paint(writer, paint, kGeometry_PaintUsage); |
| 428 | } |
| 429 | |
| 430 | void SkPipeCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| 431 | SkPipeWriter writer(this); |
| 432 | writer.write32(pack_verb(SkPipeVerb::kDrawRRect)); |
| 433 | write_rrect(&writer, rrect); |
| 434 | write_paint(writer, paint, kGeometry_PaintUsage); |
| 435 | } |
| 436 | |
| 437 | void SkPipeCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) { |
| 438 | SkPipeWriter writer(this); |
| 439 | writer.write32(pack_verb(SkPipeVerb::kDrawDRRect)); |
| 440 | write_rrect(&writer, outer); |
| 441 | write_rrect(&writer, inner); |
| 442 | write_paint(writer, paint, kGeometry_PaintUsage); |
| 443 | } |
| 444 | |
| 445 | void SkPipeCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) { |
| 446 | SkPipeWriter writer(this); |
| 447 | writer.write32(pack_verb(SkPipeVerb::kDrawPath)); |
| 448 | writer.writePath(path); |
| 449 | write_paint(writer, paint, kGeometry_PaintUsage); |
| 450 | } |
| 451 | |
| 452 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 453 | |
| 454 | static sk_sp<SkImage> make_from_bitmap(const SkBitmap& bitmap) { |
| 455 | // If we just "make" an image, it will force a CPU copy (if its mutable), only to have |
| 456 | // us then either find it in our cache, or compress and send it. |
| 457 | // |
| 458 | // Better could be to look it up in our cache first, and only create/compress it if we have to. |
| 459 | // |
| 460 | // But for now, just do the dumb thing... |
| 461 | return SkImage::MakeFromBitmap(bitmap); |
| 462 | } |
| 463 | |
| 464 | void SkPipeCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y, |
| 465 | const SkPaint* paint) { |
| 466 | sk_sp<SkImage> image = make_from_bitmap(bitmap); |
| 467 | if (image) { |
| 468 | this->onDrawImage(image.get(), x, y, paint); |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | void SkPipeCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst, |
| 473 | const SkPaint* paint, SrcRectConstraint constraint) { |
| 474 | sk_sp<SkImage> image = make_from_bitmap(bitmap); |
| 475 | if (image) { |
| 476 | this->onDrawImageRect(image.get(), src, dst, paint, constraint); |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | void SkPipeCanvas::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| 481 | const SkRect& dst, const SkPaint* paint) { |
| 482 | sk_sp<SkImage> image = make_from_bitmap(bitmap); |
| 483 | if (image) { |
| 484 | this->onDrawImageNine(image.get(), center, dst, paint); |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | void SkPipeCanvas::onDrawBitmapLattice(const SkBitmap& bitmap, const Lattice& lattice, |
| 489 | const SkRect& dst, const SkPaint* paint) { |
| 490 | sk_sp<SkImage> image = make_from_bitmap(bitmap); |
| 491 | if (image) { |
| 492 | this->onDrawImageLattice(image.get(), lattice, dst, paint); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 497 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 498 | void SkPipeCanvas::onDrawImage(const SkImage* image, SkScalar left, SkScalar top, |
| 499 | const SkPaint* paint) { |
| 500 | unsigned extra = 0; |
| 501 | if (paint) { |
| 502 | extra |= kHasPaint_DrawImageMask; |
| 503 | } |
| 504 | SkPipeWriter writer(this); |
| 505 | writer.write32(pack_verb(SkPipeVerb::kDrawImage, extra)); |
| 506 | writer.writeImage(image); |
| 507 | writer.writeScalar(left); |
| 508 | writer.writeScalar(top); |
| 509 | if (paint) { |
| 510 | write_paint(writer, *paint, kImage_PaintUsage); |
| 511 | } |
| 512 | } |
| 513 | |
| 514 | void SkPipeCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, |
| 515 | const SkPaint* paint, SrcRectConstraint constraint) { |
| 516 | SkASSERT(0 == ((unsigned)constraint & ~1)); |
| 517 | unsigned extra = (unsigned)constraint; |
| 518 | if (paint) { |
| 519 | extra |= kHasPaint_DrawImageRectMask; |
| 520 | } |
| 521 | if (src) { |
| 522 | extra |= kHasSrcRect_DrawImageRectMask; |
| 523 | } |
| 524 | |
| 525 | SkPipeWriter writer(this); |
| 526 | writer.write32(pack_verb(SkPipeVerb::kDrawImageRect, extra)); |
| 527 | writer.writeImage(image); |
| 528 | if (src) { |
| 529 | writer.write(src, sizeof(*src)); |
| 530 | } |
| 531 | writer.write(&dst, sizeof(dst)); |
| 532 | if (paint) { |
| 533 | write_paint(writer, *paint, kImage_PaintUsage); |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | void SkPipeCanvas::onDrawImageNine(const SkImage* image, const SkIRect& center, const SkRect& dst, |
| 538 | const SkPaint* paint) { |
| 539 | unsigned extra = 0; |
| 540 | if (paint) { |
| 541 | extra |= kHasPaint_DrawImageNineMask; |
| 542 | } |
| 543 | SkPipeWriter writer(this); |
| 544 | writer.write32(pack_verb(SkPipeVerb::kDrawImageNine, extra)); |
| 545 | writer.writeImage(image); |
| 546 | writer.write(¢er, sizeof(center)); |
| 547 | writer.write(&dst, sizeof(dst)); |
| 548 | if (paint) { |
| 549 | write_paint(writer, *paint, kImage_PaintUsage); |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | void SkPipeCanvas::onDrawImageLattice(const SkImage* image, const Lattice& lattice, |
| 554 | const SkRect& dst, const SkPaint* paint) { |
| 555 | unsigned extra = 0; |
| 556 | if (paint) { |
| 557 | extra |= kHasPaint_DrawImageLatticeMask; |
| 558 | } |
| 559 | if (lattice.fFlags) { |
| 560 | extra |= kHasFlags_DrawImageLatticeMask; |
| 561 | } |
| 562 | if (lattice.fXCount >= kCount_DrawImageLatticeMask) { |
| 563 | extra |= kCount_DrawImageLatticeMask << kXCount_DrawImageLatticeShift; |
| 564 | } else { |
| 565 | extra |= lattice.fXCount << kXCount_DrawImageLatticeShift; |
| 566 | } |
| 567 | if (lattice.fYCount >= kCount_DrawImageLatticeMask) { |
| 568 | extra |= kCount_DrawImageLatticeMask << kYCount_DrawImageLatticeShift; |
| 569 | } else { |
| 570 | extra |= lattice.fYCount << kYCount_DrawImageLatticeShift; |
| 571 | } |
| 572 | |
| 573 | SkPipeWriter writer(this); |
| 574 | writer.write32(pack_verb(SkPipeVerb::kDrawImageLattice, extra)); |
| 575 | writer.writeImage(image); |
| 576 | if (lattice.fXCount >= kCount_DrawImageLatticeMask) { |
| 577 | writer.write32(lattice.fXCount); |
| 578 | } |
| 579 | if (lattice.fYCount >= kCount_DrawImageLatticeMask) { |
| 580 | writer.write32(lattice.fYCount); |
| 581 | } |
| 582 | // Often these divs will be small (8 or 16 bits). Consider sniffing that and writing a flag |
| 583 | // so we can store them smaller. |
| 584 | writer.write(lattice.fXDivs, lattice.fXCount * sizeof(int32_t)); |
| 585 | writer.write(lattice.fYDivs, lattice.fYCount * sizeof(int32_t)); |
| 586 | if (lattice.fFlags) { |
| 587 | int32_t count = (lattice.fXCount + 1) * (lattice.fYCount + 1); |
| 588 | SkASSERT(count > 0); |
| 589 | write_pad(&writer, lattice.fFlags, count); |
| 590 | } |
msarett | 71df2d7 | 2016-09-30 12:41:42 -0700 | [diff] [blame] | 591 | SkASSERT(lattice.fBounds); |
| 592 | writer.write(&lattice.fBounds, sizeof(*lattice.fBounds)); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 593 | writer.write(&dst, sizeof(dst)); |
| 594 | if (paint) { |
| 595 | write_paint(writer, *paint, kImage_PaintUsage); |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 600 | |
| 601 | void SkPipeCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 602 | const SkPaint& paint) { |
| 603 | SkASSERT(byteLength); |
| 604 | |
| 605 | bool compact = fits_in(byteLength, 24); |
| 606 | |
| 607 | SkPipeWriter writer(this); |
| 608 | writer.write32(pack_verb(SkPipeVerb::kDrawText, compact ? (unsigned)byteLength : 0)); |
| 609 | if (!compact) { |
| 610 | writer.write32(SkToU32(byteLength)); |
| 611 | } |
| 612 | write_pad(&writer, text, byteLength); |
| 613 | writer.writeScalar(x); |
| 614 | writer.writeScalar(y); |
| 615 | write_paint(writer, paint, kText_PaintUsage); |
| 616 | } |
| 617 | |
| 618 | void SkPipeCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 619 | const SkPaint& paint) { |
| 620 | SkASSERT(byteLength); |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 621 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 622 | bool compact = fits_in(byteLength, 24); |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 623 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 624 | SkPipeWriter writer(this); |
| 625 | writer.write32(pack_verb(SkPipeVerb::kDrawPosText, compact ? (unsigned)byteLength : 0)); |
| 626 | if (!compact) { |
| 627 | writer.write32(SkToU32(byteLength)); |
| 628 | } |
| 629 | write_pad(&writer, text, byteLength); |
| 630 | writer.writePointArray(pos, paint.countText(text, byteLength)); |
| 631 | write_paint(writer, paint, kText_PaintUsage); |
| 632 | } |
| 633 | |
| 634 | void SkPipeCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 635 | SkScalar constY, const SkPaint& paint) { |
| 636 | SkASSERT(byteLength); |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 637 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 638 | bool compact = fits_in(byteLength, 24); |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 639 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 640 | SkPipeWriter writer(this); |
| 641 | writer.write32(pack_verb(SkPipeVerb::kDrawPosTextH, compact ? (unsigned)byteLength : 0)); |
| 642 | if (!compact) { |
| 643 | writer.write32(SkToU32(byteLength)); |
| 644 | } |
| 645 | write_pad(&writer, text, byteLength); |
| 646 | writer.writeScalarArray(xpos, paint.countText(text, byteLength)); |
| 647 | writer.writeScalar(constY); |
| 648 | write_paint(writer, paint, kText_PaintUsage); |
| 649 | } |
| 650 | |
| 651 | void SkPipeCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 652 | const SkMatrix* matrix, const SkPaint& paint) { |
| 653 | SkASSERT(byteLength > 0); |
| 654 | |
| 655 | unsigned extra = 0; |
| 656 | if (byteLength <= kTextLength_DrawTextOnPathMask) { |
| 657 | extra |= byteLength; |
| 658 | } // else we will write the length after the packedverb |
| 659 | SkMatrix::TypeMask tm = matrix ? matrix->getType() : SkMatrix::kIdentity_Mask; |
| 660 | extra |= (unsigned)tm << kMatrixType_DrawTextOnPathShift; |
| 661 | |
| 662 | SkPipeWriter writer(this); |
| 663 | writer.write32(pack_verb(SkPipeVerb::kDrawTextOnPath, extra)); |
| 664 | if (byteLength > kTextLength_DrawTextOnPathMask) { |
| 665 | writer.write32(byteLength); |
| 666 | } |
| 667 | write_pad(&writer, text, byteLength); |
| 668 | writer.writePath(path); |
| 669 | if (matrix) { |
| 670 | write_sparse_matrix(&writer, *matrix); |
| 671 | } |
| 672 | write_paint(writer, paint, kText_PaintUsage); |
| 673 | } |
| 674 | |
| 675 | void SkPipeCanvas::onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform xform[], |
| 676 | const SkRect* cull, const SkPaint& paint) { |
| 677 | SkASSERT(byteLength); |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 678 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 679 | bool compact = fits_in(byteLength, 23); |
| 680 | unsigned extra = compact ? (byteLength << 1) : 0; |
| 681 | if (cull) { |
| 682 | extra |= 1; |
| 683 | } |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 684 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 685 | SkPipeWriter writer(this); |
| 686 | writer.write32(pack_verb(SkPipeVerb::kDrawTextRSXform, extra)); |
| 687 | if (!compact) { |
| 688 | writer.write32(SkToU32(byteLength)); |
| 689 | } |
| 690 | write_pad(&writer, text, byteLength); |
| 691 | |
| 692 | int count = paint.countText(text, byteLength); |
| 693 | writer.write32(count); // maybe we can/should store this in extra as well? |
| 694 | writer.write(xform, count * sizeof(SkRSXform)); |
| 695 | if (cull) { |
| 696 | writer.writeRect(*cull); |
| 697 | } |
| 698 | write_paint(writer, paint, kText_PaintUsage); |
| 699 | } |
| 700 | |
| 701 | void SkPipeCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 702 | const SkPaint &paint) { |
| 703 | SkPipeWriter writer(this); |
| 704 | writer.write32(pack_verb(SkPipeVerb::kDrawTextBlob, 0)); |
| 705 | blob->flatten(writer); |
| 706 | writer.writeScalar(x); |
| 707 | writer.writeScalar(y); |
| 708 | write_paint(writer, paint, kTextBlob_PaintUsage); |
| 709 | } |
| 710 | |
| 711 | void SkPipeCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix, |
| 712 | const SkPaint* paint) { |
| 713 | unsigned extra = fDeduper->findOrDefinePicture(const_cast<SkPicture*>(picture)); |
| 714 | if (matrix) { |
| 715 | extra |= kHasMatrix_DrawPictureExtra; |
| 716 | } |
| 717 | if (paint) { |
| 718 | extra |= kHasPaint_DrawPictureExtra; |
| 719 | } |
| 720 | SkPipeWriter writer(this); |
| 721 | writer.write32(pack_verb(SkPipeVerb::kDrawPicture, extra)); |
| 722 | if (matrix) { |
| 723 | writer.writeMatrix(*matrix); |
| 724 | } |
| 725 | if (paint) { |
| 726 | write_paint(writer, *paint, kSaveLayer_PaintUsage); |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | void SkPipeCanvas::onDrawRegion(const SkRegion& region, const SkPaint& paint) { |
| 731 | size_t size = region.writeToMemory(nullptr); |
| 732 | unsigned extra = 0; |
| 733 | if (fits_in(size, 24)) { |
| 734 | extra = SkToUInt(size); |
| 735 | } |
| 736 | |
| 737 | SkPipeWriter writer(this); |
| 738 | writer.write32(pack_verb(SkPipeVerb::kDrawRegion, extra)); |
| 739 | if (0 == extra) { |
| 740 | writer.write32(size); |
| 741 | } |
| 742 | SkAutoSMalloc<2048> storage(size); |
| 743 | region.writeToMemory(storage.get()); |
| 744 | write_pad(&writer, storage.get(), size); |
| 745 | write_paint(writer, paint, kGeometry_PaintUsage); |
| 746 | } |
| 747 | |
Mike Reed | fed9cfd | 2017-03-17 12:09:04 -0400 | [diff] [blame] | 748 | void SkPipeCanvas::onDrawVerticesObject(const SkVertices* vertices, SkBlendMode bmode, |
| 749 | const SkPaint& paint) { |
| 750 | unsigned extra = static_cast<unsigned>(bmode); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 751 | |
| 752 | SkPipeWriter writer(this); |
| 753 | writer.write32(pack_verb(SkPipeVerb::kDrawVertices, extra)); |
Mike Reed | fed9cfd | 2017-03-17 12:09:04 -0400 | [diff] [blame] | 754 | // TODO: dedup vertices? |
| 755 | writer.writeDataAsByteArray(vertices->encode().get()); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 756 | write_paint(writer, paint, kVertices_PaintUsage); |
| 757 | } |
| 758 | |
| 759 | void SkPipeCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
Mike Reed | faba371 | 2016-11-03 14:45:31 -0400 | [diff] [blame] | 760 | const SkPoint texCoords[4], SkBlendMode bmode, |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 761 | const SkPaint& paint) { |
| 762 | SkPipeWriter writer(this); |
| 763 | unsigned extra = 0; |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 764 | SkASSERT(0 == ((int)bmode & ~kModeEnum_DrawPatchExtraMask)); |
| 765 | extra = (unsigned)bmode; |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 766 | if (colors) { |
| 767 | extra |= kHasColors_DrawPatchExtraMask; |
| 768 | } |
| 769 | if (texCoords) { |
| 770 | extra |= kHasTexture_DrawPatchExtraMask; |
| 771 | } |
| 772 | writer.write32(pack_verb(SkPipeVerb::kDrawPatch, extra)); |
| 773 | writer.write(cubics, sizeof(SkPoint) * 12); |
| 774 | if (colors) { |
| 775 | writer.write(colors, sizeof(SkColor) * 4); |
| 776 | } |
| 777 | if (texCoords) { |
| 778 | writer.write(texCoords, sizeof(SkPoint) * 4); |
| 779 | } |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 780 | write_paint(writer, paint, kGeometry_PaintUsage); |
| 781 | } |
| 782 | |
| 783 | void SkPipeCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* data) { |
| 784 | const size_t len = strlen(key) + 1; // must write the trailing 0 |
| 785 | bool compact = fits_in(len, 23); |
| 786 | uint32_t extra = compact ? (unsigned)len : 0; |
| 787 | extra <<= 1; // make room for has_data_sentinel |
| 788 | if (data) { |
| 789 | extra |= 1; |
| 790 | } |
| 791 | |
| 792 | fStream->write32(pack_verb(SkPipeVerb::kDrawAnnotation, extra)); |
| 793 | fStream->write(&rect, sizeof(SkRect)); |
| 794 | if (!compact) { |
| 795 | fStream->write32(SkToU32(len)); |
| 796 | } |
| 797 | write_pad(fStream, key, len); |
| 798 | if (data) { |
| 799 | fStream->write32(SkToU32(data->size())); |
| 800 | write_pad(fStream, data->data(), data->size()); |
| 801 | } |
| 802 | } |
| 803 | |
| 804 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 805 | |
| 806 | class A8Serializer : public SkPixelSerializer { |
| 807 | protected: |
| 808 | bool onUseEncodedData(const void* data, size_t len) { |
| 809 | return true; |
| 810 | } |
| 811 | |
| 812 | SkData* onEncode(const SkPixmap& pmap) { |
| 813 | if (kAlpha_8_SkColorType == pmap.colorType()) { |
| 814 | SkDynamicMemoryWStream stream; |
| 815 | stream.write("skiaimgf", 8); |
| 816 | stream.write32(pmap.width()); |
| 817 | stream.write32(pmap.height()); |
| 818 | stream.write16(pmap.colorType()); |
| 819 | stream.write16(pmap.alphaType()); |
| 820 | stream.write32(0); // no colorspace for now |
| 821 | for (int y = 0; y < pmap.height(); ++y) { |
| 822 | stream.write(pmap.addr8(0, y), pmap.width()); |
| 823 | } |
| 824 | return stream.detachAsData().release(); |
| 825 | } |
| 826 | return nullptr; |
| 827 | } |
| 828 | }; |
| 829 | |
Mike Reed | 3ac64b4 | 2016-10-18 19:34:08 -0400 | [diff] [blame] | 830 | static sk_sp<SkData> default_image_serializer(SkImage* image) { |
| 831 | A8Serializer serial; |
Mike Reed | 6409f84 | 2017-07-11 16:03:13 -0400 | [diff] [blame] | 832 | sk_sp<SkData> data = image->encodeToData(&serial); |
Mike Reed | 3ac64b4 | 2016-10-18 19:34:08 -0400 | [diff] [blame] | 833 | if (!data) { |
Mike Reed | 6409f84 | 2017-07-11 16:03:13 -0400 | [diff] [blame] | 834 | data = image->encodeToData(); |
Mike Reed | 3ac64b4 | 2016-10-18 19:34:08 -0400 | [diff] [blame] | 835 | } |
| 836 | return data; |
| 837 | } |
| 838 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 839 | static bool show_deduper_traffic = false; |
| 840 | |
| 841 | int SkPipeDeduper::findOrDefineImage(SkImage* image) { |
| 842 | int index = fImages.find(image->uniqueID()); |
| 843 | SkASSERT(index >= 0); |
| 844 | if (index) { |
| 845 | if (show_deduper_traffic) { |
| 846 | SkDebugf(" reuseImage(%d)\n", index - 1); |
| 847 | } |
| 848 | return index; |
| 849 | } |
| 850 | |
Mike Reed | 3ac64b4 | 2016-10-18 19:34:08 -0400 | [diff] [blame] | 851 | sk_sp<SkData> data = fIMSerializer ? fIMSerializer->serialize(image) |
| 852 | : default_image_serializer(image); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 853 | if (data) { |
| 854 | index = fImages.add(image->uniqueID()); |
| 855 | SkASSERT(index > 0); |
| 856 | SkASSERT(fits_in(index, 24)); |
| 857 | fStream->write32(pack_verb(SkPipeVerb::kDefineImage, index)); |
| 858 | |
| 859 | uint32_t len = SkToU32(data->size()); |
| 860 | fStream->write32(SkAlign4(len)); |
| 861 | write_pad(fStream, data->data(), len); |
| 862 | |
| 863 | if (show_deduper_traffic) { |
| 864 | int size = image->width() * image->height() << 2; |
| 865 | SkDebugf(" defineImage(%d) %d -> %d\n", index - 1, size, len); |
| 866 | } |
| 867 | return index; |
| 868 | } |
| 869 | SkDebugf("+++ failed to encode image [%d %d]\n", image->width(), image->height()); |
| 870 | return 0; // failed to encode |
| 871 | } |
| 872 | |
| 873 | int SkPipeDeduper::findOrDefinePicture(SkPicture* picture) { |
| 874 | int index = fPictures.find(picture->uniqueID()); |
| 875 | SkASSERT(index >= 0); |
| 876 | if (index) { |
| 877 | if (show_deduper_traffic) { |
| 878 | SkDebugf(" reusePicture(%d)\n", index - 1); |
| 879 | } |
| 880 | return index; |
| 881 | } |
| 882 | |
| 883 | size_t prevWritten = fStream->bytesWritten(); |
| 884 | unsigned extra = 0; // 0 means we're defining a new picture, non-zero means undef_index + 1 |
| 885 | fStream->write32(pack_verb(SkPipeVerb::kDefinePicture, extra)); |
| 886 | const SkRect cull = picture->cullRect(); |
| 887 | fStream->write(&cull, sizeof(cull)); |
| 888 | picture->playback(fPipeCanvas); |
| 889 | // call fPictures.add *after* we're written the picture, so that any nested pictures will have |
| 890 | // already been defined, and we get the "last" index value. |
| 891 | index = fPictures.add(picture->uniqueID()); |
| 892 | ASSERT_FITS_IN(index, kObjectDefinitionBits); |
| 893 | fStream->write32(pack_verb(SkPipeVerb::kEndPicture, index)); |
| 894 | |
Mike Klein | b338484 | 2017-03-27 14:28:07 -0400 | [diff] [blame] | 895 | if (show_deduper_traffic) { |
| 896 | SkDebugf(" definePicture(%d) %d\n", |
| 897 | index - 1, SkToU32(fStream->bytesWritten() - prevWritten)); |
| 898 | } |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 899 | return index; |
| 900 | } |
| 901 | |
| 902 | static sk_sp<SkData> encode(SkTypeface* tf) { |
| 903 | SkDynamicMemoryWStream stream; |
| 904 | tf->serialize(&stream); |
| 905 | return sk_sp<SkData>(stream.detachAsData()); |
| 906 | } |
| 907 | |
| 908 | int SkPipeDeduper::findOrDefineTypeface(SkTypeface* typeface) { |
| 909 | if (!typeface) { |
| 910 | return 0; // default |
| 911 | } |
| 912 | |
| 913 | int index = fTypefaces.find(typeface->uniqueID()); |
| 914 | SkASSERT(index >= 0); |
| 915 | if (index) { |
| 916 | if (show_deduper_traffic) { |
| 917 | SkDebugf(" reuseTypeface(%d)\n", index - 1); |
| 918 | } |
| 919 | return index; |
| 920 | } |
| 921 | |
| 922 | sk_sp<SkData> data = fTFSerializer ? fTFSerializer->serialize(typeface) : encode(typeface); |
| 923 | if (data) { |
| 924 | index = fTypefaces.add(typeface->uniqueID()); |
| 925 | SkASSERT(index > 0); |
| 926 | SkASSERT(fits_in(index, 24)); |
| 927 | fStream->write32(pack_verb(SkPipeVerb::kDefineTypeface, index)); |
| 928 | |
| 929 | uint32_t len = SkToU32(data->size()); |
| 930 | fStream->write32(SkAlign4(len)); |
| 931 | write_pad(fStream, data->data(), len); |
| 932 | |
| 933 | if (show_deduper_traffic) { |
| 934 | SkDebugf(" defineTypeface(%d) %d\n", index - 1, len); |
| 935 | } |
| 936 | return index; |
| 937 | } |
| 938 | SkDebugf("+++ failed to encode typeface %d\n", typeface->uniqueID()); |
| 939 | return 0; // failed to encode |
| 940 | } |
| 941 | |
| 942 | int SkPipeDeduper::findOrDefineFactory(SkFlattenable* flattenable) { |
| 943 | if (!flattenable) { |
| 944 | return 0; |
| 945 | } |
| 946 | |
| 947 | int index = fFactories.find(flattenable->getFactory()); |
| 948 | SkASSERT(index >= 0); |
| 949 | if (index) { |
| 950 | if (show_deduper_traffic) { |
| 951 | SkDebugf(" reuseFactory(%d)\n", index - 1); |
| 952 | } |
| 953 | return index; |
| 954 | } |
| 955 | |
| 956 | index = fFactories.add(flattenable->getFactory()); |
| 957 | ASSERT_FITS_IN(index, kIndex_DefineFactoryExtraBits); |
| 958 | const char* name = flattenable->getTypeName(); |
| 959 | size_t len = strlen(name); |
| 960 | ASSERT_FITS_IN(len, kNameLength_DefineFactoryExtraBits); |
| 961 | unsigned extra = (index << kNameLength_DefineFactoryExtraBits) | len; |
| 962 | size_t prevWritten = fStream->bytesWritten(); |
| 963 | fStream->write32(pack_verb(SkPipeVerb::kDefineFactory, extra)); |
| 964 | write_pad(fStream, name, len + 1); |
| 965 | if (false) { |
| 966 | SkDebugf(" defineFactory(%d) %d %s\n", |
| 967 | index - 1, SkToU32(fStream->bytesWritten() - prevWritten), name); |
| 968 | } |
| 969 | return index; |
| 970 | } |
| 971 | |
| 972 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 973 | #include "SkPipe.h" |
| 974 | |
| 975 | class SkPipeSerializer::Impl { |
| 976 | public: |
| 977 | SkPipeDeduper fDeduper; |
| 978 | std::unique_ptr<SkPipeCanvas> fCanvas; |
| 979 | }; |
| 980 | |
| 981 | SkPipeSerializer::SkPipeSerializer() : fImpl(new Impl) {} |
| 982 | |
| 983 | SkPipeSerializer::~SkPipeSerializer() { |
| 984 | if (fImpl->fCanvas) { |
| 985 | this->endWrite(); |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | void SkPipeSerializer::setTypefaceSerializer(SkTypefaceSerializer* tfs) { |
| 990 | fImpl->fDeduper.setTypefaceSerializer(tfs); |
| 991 | } |
| 992 | |
Mike Reed | 3ac64b4 | 2016-10-18 19:34:08 -0400 | [diff] [blame] | 993 | void SkPipeSerializer::setImageSerializer(SkImageSerializer* ims) { |
| 994 | fImpl->fDeduper.setImageSerializer(ims); |
| 995 | } |
| 996 | |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 997 | void SkPipeSerializer::resetCache() { |
| 998 | fImpl->fDeduper.resetCaches(); |
| 999 | } |
| 1000 | |
reed | 262052c | 2016-09-15 14:24:53 -0700 | [diff] [blame] | 1001 | sk_sp<SkData> SkPipeSerializer::writeImage(SkImage* image) { |
| 1002 | SkDynamicMemoryWStream stream; |
| 1003 | this->writeImage(image, &stream); |
| 1004 | return stream.detachAsData(); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 1005 | } |
| 1006 | |
reed | 262052c | 2016-09-15 14:24:53 -0700 | [diff] [blame] | 1007 | sk_sp<SkData> SkPipeSerializer::writePicture(SkPicture* picture) { |
| 1008 | SkDynamicMemoryWStream stream; |
| 1009 | this->writePicture(picture, &stream); |
| 1010 | return stream.detachAsData(); |
| 1011 | } |
| 1012 | |
| 1013 | void SkPipeSerializer::writePicture(SkPicture* picture, SkWStream* stream) { |
| 1014 | int index = fImpl->fDeduper.findPicture(picture); |
| 1015 | if (0 == index) { |
| 1016 | // Try to define the picture |
| 1017 | this->beginWrite(picture->cullRect(), stream); |
| 1018 | index = fImpl->fDeduper.findOrDefinePicture(picture); |
| 1019 | this->endWrite(); |
| 1020 | } |
| 1021 | stream->write32(pack_verb(SkPipeVerb::kWritePicture, index)); |
| 1022 | } |
| 1023 | |
| 1024 | void SkPipeSerializer::writeImage(SkImage* image, SkWStream* stream) { |
reed | 7e3ba9f | 2016-09-13 17:25:19 -0700 | [diff] [blame] | 1025 | int index = fImpl->fDeduper.findImage(image); |
| 1026 | if (0 == index) { |
| 1027 | // Try to define the image |
| 1028 | fImpl->fDeduper.setStream(stream); |
| 1029 | index = fImpl->fDeduper.findOrDefineImage(image); |
| 1030 | } |
| 1031 | stream->write32(pack_verb(SkPipeVerb::kWriteImage, index)); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 1032 | } |
| 1033 | |
| 1034 | SkCanvas* SkPipeSerializer::beginWrite(const SkRect& cull, SkWStream* stream) { |
| 1035 | SkASSERT(nullptr == fImpl->fCanvas); |
| 1036 | fImpl->fCanvas.reset(new SkPipeCanvas(cull, &fImpl->fDeduper, stream)); |
| 1037 | fImpl->fDeduper.setStream(stream); |
| 1038 | fImpl->fDeduper.setCanvas(fImpl->fCanvas.get()); |
| 1039 | return fImpl->fCanvas.get(); |
| 1040 | } |
| 1041 | |
| 1042 | void SkPipeSerializer::endWrite() { |
| 1043 | fImpl->fCanvas->restoreToCount(1); |
| 1044 | fImpl->fCanvas.reset(nullptr); |
reed | 7e3ba9f | 2016-09-13 17:25:19 -0700 | [diff] [blame] | 1045 | fImpl->fDeduper.setCanvas(nullptr); |
reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 1046 | } |