OLD | NEW |
(Empty) | |
| 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 |
| 8 #ifndef SkPipeFormat_DEFINED |
| 9 #define SkPipeFormat_DEFINED |
| 10 |
| 11 #include "SkTypes.h" |
| 12 |
| 13 #define kDefinePicture_ExtPipeVerb SkSetFourByteTag('s', 'k', 'p', 'i') |
| 14 #define kDefineImage_ExtPipeVerb SkSetFourByteTag('s', 'k', 'i', 'm') |
| 15 |
| 16 enum class SkPipeVerb : uint8_t { |
| 17 kSave, // extra == 0 |
| 18 kSaveLayer, |
| 19 kRestore, // extra == 0 |
| 20 kConcat, // extra == SkMatrix::MaskType |
| 21 |
| 22 kClipRect, // extra == (SkRegion::Op << 1) | isAntiAlias:1 |
| 23 kClipRRect, // extra == (SkRegion::Op << 1) | isAntiAlias:1 |
| 24 kClipPath, // extra == (SkRegion::Op << 1) | isAntiAlias:1 |
| 25 kClipRegion, // extra == (SkRegion::Op << 1) |
| 26 |
| 27 kDrawArc, // extra == useCenter |
| 28 kDrawAtlas, // extra == has_colors | has_cull | has_paint | mode |
| 29 kDrawDRRect, |
| 30 kDrawText, // extra == byteLength:24 else next 32 |
| 31 kDrawPosText, // extra == byteLength:24 else next 32 |
| 32 kDrawPosTextH, // extra == byteLength:24 else next 32 |
| 33 kDrawRegion, // extra == size:24 of region, or 0 means next 32 |
| 34 kDrawTextOnPath, |
| 35 kDrawTextBlob, |
| 36 kDrawTextRSXform, // extra == (byteLength:23 << 1) else next 32 | has_cull
_rect:1 |
| 37 kDrawPatch, |
| 38 kDrawPaint, // extra == 0 |
| 39 kDrawPoints, // extra == PointMode |
| 40 kDrawRect, // extra == 0 |
| 41 kDrawPath, // extra == 0 |
| 42 kDrawOval, // extra == 0 |
| 43 kDrawRRect, // extra == 0 |
| 44 |
| 45 kDrawImage, // extra == has_paint:1 |
| 46 kDrawImageRect, // extra == constraint | has_src_rect | has_paint |
| 47 kDrawImageNine, // extra == has_paint:1 |
| 48 kDrawImageLattice, // extra == x_count:8 | y_count:8 | has_paint:1 |
| 49 |
| 50 kDrawVertices, |
| 51 |
| 52 kDrawPicture, // extra == picture_index |
| 53 kDrawAnnotation, // extra == (key_len_plus_1:23 << 1) else next 32 | has_
data:1 |
| 54 |
| 55 kDefineImage, // extra == image_index |
| 56 kDefineTypeface, |
| 57 kDefineFactory, // extra == factory_index (followed by padded getTypeNam
e string) |
| 58 kDefinePicture, // extra == 0 or forget_index + 1 (0 means we're definin
g a new picture) |
| 59 kEndPicture, // extra == picture_index |
| 60 }; |
| 61 |
| 62 enum PaintUsage { |
| 63 kText_PaintUsage = 1 << 0, |
| 64 kTextBlob_PaintUsage = 1 << 1, |
| 65 kGeometry_PaintUsage = 1 << 2, |
| 66 kImage_PaintUsage = 1 << 3, |
| 67 kSaveLayer_PaintUsage = 1 << 4, |
| 68 kDrawPaint_PaintUsage = 1 << 5, |
| 69 kVertices_PaintUsage = 1 << 6, |
| 70 kRespectsStroke_PaintUsage = 1 << 7, |
| 71 kUnknown_PaintUsage = 0xFF, |
| 72 }; |
| 73 |
| 74 // must sum to <= 32 |
| 75 enum BitsPerField { |
| 76 kFlags_BPF = 16, |
| 77 kFilter_BPF = 2, |
| 78 kStyle_BPF = 2, |
| 79 kCaps_BPF = 2, |
| 80 kJoins_BPF = 2, |
| 81 kHint_BPF = 2, |
| 82 kAlign_BPF = 2, |
| 83 kEncoding_BPF = 2, |
| 84 }; |
| 85 |
| 86 enum { |
| 87 kTextSize_NonDef = 1 << 0, |
| 88 kTextScaleX_NonDef = 1 << 1, |
| 89 kTextSkewX_NonDef = 1 << 2, |
| 90 kStrokeWidth_NonDef = 1 << 3, |
| 91 kStrokeMiter_NonDef = 1 << 4, |
| 92 kColor_NonDef = 1 << 5, |
| 93 kTypeface_NonDef = 1 << 6, |
| 94 kPathEffect_NonDef = 1 << 7, |
| 95 kShader_NonDef = 1 << 8, |
| 96 kXfermode_NonDef = 1 << 9, |
| 97 kMaskFilter_NonDef = 1 << 10, |
| 98 kColorFilter_NonDef = 1 << 11, |
| 99 kRasterizer_NonDef = 1 << 12, |
| 100 kImageFilter_NonDef = 1 << 13, |
| 101 kDrawLooper_NonDef = 1 << 14, |
| 102 }; |
| 103 |
| 104 enum { |
| 105 kFlags_SaveLayerMask = 0xFF, |
| 106 kHasBounds_SaveLayerMask = 1 << 8, |
| 107 kHasPaint_SaveLayerMask = 1 << 9, |
| 108 kHasBackdrop_SaveLayerMask = 1 << 10, |
| 109 kDontClipToLayer_SaveLayerMask = 1 << 11, |
| 110 }; |
| 111 |
| 112 enum { |
| 113 kObjectDefinitionBits = 20, |
| 114 kIndex_ObjectDefinitionMask = ((1 << kObjectDefinitionBits) - 1), |
| 115 kUser_ObjectDefinitionMask = 0x7 << kObjectDefinitionBits, |
| 116 kUndef_ObjectDefinitionMask = 1 << 23, |
| 117 // (Undef:1 | User:3 | Index:20) must fit in extra:24 |
| 118 }; |
| 119 |
| 120 enum { |
| 121 kTypeMask_ConcatMask = 0xF, |
| 122 kSetMatrix_ConcatMask = 1 << 4, |
| 123 }; |
| 124 |
| 125 enum { |
| 126 kMode_DrawAtlasMask = 0xFF, |
| 127 kHasColors_DrawAtlasMask = 1 << 8, |
| 128 kHasCull_DrawAtlasMask = 1 << 9, |
| 129 kHasPaint_DrawAtlasMask = 1 << 10, |
| 130 }; |
| 131 |
| 132 enum { |
| 133 kHasPaint_DrawImageMask = 1 << 0, |
| 134 }; |
| 135 |
| 136 enum { |
| 137 kConstraint_DrawImageRectMask = 1 << 0, |
| 138 kHasPaint_DrawImageRectMask = 1 << 1, |
| 139 kHasSrcRect_DrawImageRectMask = 1 << 2, |
| 140 }; |
| 141 |
| 142 enum { |
| 143 kHasPaint_DrawImageNineMask = 1 << 0, |
| 144 }; |
| 145 |
| 146 enum { |
| 147 // picture_index takes the first kObjectDefinitionBits bits |
| 148 kHasMatrix_DrawPictureExtra = 1 << 21, |
| 149 kHasPaint_DrawPictureExtra = 1 << 22, |
| 150 }; |
| 151 |
| 152 enum { |
| 153 kIndex_DefineFactoryExtraBits = 10, |
| 154 kNameLength_DefineFactoryExtraBits = 14, // includes trailing 0 |
| 155 kNameLength_DefineFactoryExtraMask = (1 << kNameLength_DefineFactoryExtraBi
ts) - 1, |
| 156 }; |
| 157 |
| 158 enum { |
| 159 kModeEnum_DrawPatchExtraMask = 0xFF, |
| 160 kExplicitXfer_DrawPatchExtraValue = 0xFF, |
| 161 kHasColors_DrawPatchExtraMask = 0x100, |
| 162 kHasTexture_DrawPatchExtraMask = 0x200, |
| 163 }; |
| 164 |
| 165 enum { |
| 166 // if we store a zero for VCount, then read an int after the packedverb for
the vcount |
| 167 kVCount_DrawVerticesMask = (1 << 11) - 1, |
| 168 |
| 169 kVMode_DrawVerticesShift = 11, |
| 170 kVMode_DrawVerticesMask = 3 << kVMode_DrawVerticesShift, |
| 171 |
| 172 kXMode_DrawVerticesShift = 13, |
| 173 kXMode_DrawVerticesMask = 0xFF << kXMode_DrawVerticesShift, |
| 174 |
| 175 kHasTex_DrawVerticesMask = 1 << 21, |
| 176 kHasColors_DrawVerticesMask = 1 << 22, |
| 177 kHasIndices_DrawVerticesMask = 1 << 23, |
| 178 }; |
| 179 |
| 180 enum { |
| 181 kTextLength_DrawTextOnPathMask = (1 << 16) - 1, |
| 182 kMatrixType_DrawTextOnPathShift = 16, |
| 183 kMatrixType_DrawTextOnPathMask = 0xF << kMatrixType_DrawTextOnPathShift
, |
| 184 }; |
| 185 |
| 186 enum { |
| 187 kHasPaint_DrawImageLatticeMask = 1 << 0, |
| 188 kHasFlags_DrawImageLatticeMask = 1 << 1, |
| 189 kXCount_DrawImageLatticeShift = 2, // bits 2:9 are xcount or FF m
eans 32bits follow |
| 190 kYCount_DrawImageLatticeShift = 10, // bits 10:17 are ycount or FF m
eans 32bits follow |
| 191 kCount_DrawImageLatticeMask = 0xFF, // sentinel for 32bits follow, |
| 192 // thus max inline count is 254 |
| 193 }; |
| 194 |
| 195 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
| 196 |
| 197 static inline bool fits_in(int value, int bits) { |
| 198 return value >= 0 && value < (1 << bits); |
| 199 } |
| 200 |
| 201 static inline void ASSERT_FITS_IN(int value, int bits) { |
| 202 SkASSERT(fits_in(value, bits)); |
| 203 } |
| 204 |
| 205 static inline uint32_t pack_verb(SkPipeVerb verb, unsigned extra = 0) { |
| 206 //SkDebugf("pack [%d] %d\n", verb, extra); |
| 207 ASSERT_FITS_IN((unsigned)verb, 8); |
| 208 ASSERT_FITS_IN(extra, 24); |
| 209 return ((uint32_t)verb << 24) | extra; |
| 210 } |
| 211 |
| 212 static inline SkPipeVerb unpack_verb(uint32_t data) { |
| 213 return (SkPipeVerb)(data >> 24); |
| 214 } |
| 215 |
| 216 static inline unsigned unpack_verb_extra(uint32_t data) { |
| 217 return data & 0xFFFFFF; |
| 218 } |
| 219 |
| 220 #endif |
OLD | NEW |