| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkPipeFormat_DEFINED |
| #define SkPipeFormat_DEFINED |
| |
| #include "SkTypes.h" |
| |
| #define kDefinePicture_ExtPipeVerb SkSetFourByteTag('s', 'k', 'p', 'i') |
| |
| enum class SkPipeVerb : uint8_t { |
| kSave, // extra == 0 |
| kSaveLayer, |
| kRestore, // extra == 0 |
| kConcat, // extra == SkMatrix::MaskType |
| |
| kClipRect, // extra == (SkRegion::Op << 1) | isAntiAlias:1 |
| kClipRRect, // extra == (SkRegion::Op << 1) | isAntiAlias:1 |
| kClipPath, // extra == (SkRegion::Op << 1) | isAntiAlias:1 |
| kClipRegion, // extra == (SkRegion::Op << 1) |
| |
| kDrawArc, // extra == useCenter |
| kDrawAtlas, // extra == has_colors | has_cull | has_paint | mode |
| kDrawDRRect, |
| kDrawText, // extra == byteLength:24 else next 32 |
| kDrawPosText, // extra == byteLength:24 else next 32 |
| kDrawPosTextH, // extra == byteLength:24 else next 32 |
| kDrawRegion, // extra == size:24 of region, or 0 means next 32 |
| kDrawTextOnPath, |
| kDrawTextBlob, |
| kDrawTextRSXform, // extra == (byteLength:23 << 1) else next 32 | has_cull_rect:1 |
| kDrawPatch, |
| kDrawPaint, // extra == 0 |
| kDrawPoints, // extra == PointMode |
| kDrawRect, // extra == 0 |
| kDrawPath, // extra == 0 |
| kDrawOval, // extra == 0 |
| kDrawRRect, // extra == 0 |
| |
| kDrawImage, // extra == has_paint:1 |
| kDrawImageRect, // extra == constraint | has_src_rect | has_paint |
| kDrawImageNine, // extra == has_paint:1 |
| kDrawImageLattice, // extra == x_count:8 | y_count:8 | has_paint:1 |
| |
| kDrawVertices, |
| |
| kDrawPicture, // extra == picture_index |
| kDrawAnnotation, // extra == (key_len_plus_1:23 << 1) else next 32 | has_data:1 |
| |
| kDefineImage, // extra == image_index |
| kDefineTypeface, |
| kDefineFactory, // extra == factory_index (followed by padded getTypeName string) |
| kDefinePicture, // extra == 0 or forget_index + 1 (0 means we're defining a new picture) |
| kEndPicture, // extra == picture_index |
| kWriteImage, // extra == image_index |
| kWritePicture, // extra == picture_index |
| }; |
| |
| enum PaintUsage { |
| kText_PaintUsage = 1 << 0, |
| kTextBlob_PaintUsage = 1 << 1, |
| kGeometry_PaintUsage = 1 << 2, |
| kImage_PaintUsage = 1 << 3, |
| kSaveLayer_PaintUsage = 1 << 4, |
| kDrawPaint_PaintUsage = 1 << 5, |
| kVertices_PaintUsage = 1 << 6, |
| kRespectsStroke_PaintUsage = 1 << 7, |
| kUnknown_PaintUsage = 0xFF, |
| }; |
| |
| // must sum to <= 32 |
| enum BitsPerField { |
| kFlags_BPF = 16, |
| kFilter_BPF = 2, |
| kStyle_BPF = 2, |
| kCaps_BPF = 2, |
| kJoins_BPF = 2, |
| kHint_BPF = 2, |
| kAlign_BPF = 2, |
| kEncoding_BPF = 2, |
| }; |
| |
| enum { |
| kTextSize_NonDef = 1 << 0, |
| kTextScaleX_NonDef = 1 << 1, |
| kTextSkewX_NonDef = 1 << 2, |
| kStrokeWidth_NonDef = 1 << 3, |
| kStrokeMiter_NonDef = 1 << 4, |
| kColor_NonDef = 1 << 5, |
| kTypeface_NonDef = 1 << 6, |
| kPathEffect_NonDef = 1 << 7, |
| kShader_NonDef = 1 << 8, |
| kMaskFilter_NonDef = 1 << 9, |
| kColorFilter_NonDef = 1 << 10, |
| kRasterizer_NonDef = 1 << 11, |
| kImageFilter_NonDef = 1 << 12, |
| kDrawLooper_NonDef = 1 << 13, |
| }; |
| |
| enum { |
| kFlags_SaveLayerMask = 0xFF, |
| kHasBounds_SaveLayerMask = 1 << 8, |
| kHasPaint_SaveLayerMask = 1 << 9, |
| kHasBackdrop_SaveLayerMask = 1 << 10, |
| kDontClipToLayer_SaveLayerMask = 1 << 11, |
| kHasClipMask_SaveLayerMask = 1 << 12, |
| kHasClipMatrix_SaveLayerMask = 1 << 13, |
| }; |
| |
| enum { |
| kObjectDefinitionBits = 20, |
| kIndex_ObjectDefinitionMask = ((1 << kObjectDefinitionBits) - 1), |
| kUser_ObjectDefinitionMask = 0x7 << kObjectDefinitionBits, |
| kUndef_ObjectDefinitionMask = 1 << 23, |
| // (Undef:1 | User:3 | Index:20) must fit in extra:24 |
| }; |
| |
| enum { |
| kTypeMask_ConcatMask = 0xF, |
| kSetMatrix_ConcatMask = 1 << 4, |
| }; |
| |
| enum { |
| kMode_DrawAtlasMask = 0xFF, |
| kHasColors_DrawAtlasMask = 1 << 8, |
| kHasCull_DrawAtlasMask = 1 << 9, |
| kHasPaint_DrawAtlasMask = 1 << 10, |
| }; |
| |
| enum { |
| kHasPaint_DrawImageMask = 1 << 0, |
| }; |
| |
| enum { |
| kConstraint_DrawImageRectMask = 1 << 0, |
| kHasPaint_DrawImageRectMask = 1 << 1, |
| kHasSrcRect_DrawImageRectMask = 1 << 2, |
| }; |
| |
| enum { |
| kHasPaint_DrawImageNineMask = 1 << 0, |
| }; |
| |
| enum { |
| // picture_index takes the first kObjectDefinitionBits bits |
| kHasMatrix_DrawPictureExtra = 1 << 21, |
| kHasPaint_DrawPictureExtra = 1 << 22, |
| }; |
| |
| enum { |
| kIndex_DefineFactoryExtraBits = 10, |
| kNameLength_DefineFactoryExtraBits = 14, // includes trailing 0 |
| kNameLength_DefineFactoryExtraMask = (1 << kNameLength_DefineFactoryExtraBits) - 1, |
| }; |
| |
| enum { |
| kModeEnum_DrawPatchExtraMask = 0xFF, |
| kExplicitXfer_DrawPatchExtraValue = 0xFF, |
| kHasColors_DrawPatchExtraMask = 0x100, |
| kHasTexture_DrawPatchExtraMask = 0x200, |
| }; |
| |
| enum { |
| // if we store a zero for VCount, then read an int after the packedverb for the vcount |
| kVCount_DrawVerticesMask = (1 << 11) - 1, |
| |
| kVMode_DrawVerticesShift = 11, |
| kVMode_DrawVerticesMask = 3 << kVMode_DrawVerticesShift, |
| |
| kXMode_DrawVerticesShift = 13, |
| kXMode_DrawVerticesMask = 0xFF << kXMode_DrawVerticesShift, |
| |
| kHasTex_DrawVerticesMask = 1 << 21, |
| kHasColors_DrawVerticesMask = 1 << 22, |
| kHasIndices_DrawVerticesMask = 1 << 23, |
| }; |
| |
| enum { |
| kTextLength_DrawTextOnPathMask = (1 << 16) - 1, |
| kMatrixType_DrawTextOnPathShift = 16, |
| kMatrixType_DrawTextOnPathMask = 0xF << kMatrixType_DrawTextOnPathShift, |
| }; |
| |
| enum { |
| kHasPaint_DrawImageLatticeMask = 1 << 0, |
| kHasFlags_DrawImageLatticeMask = 1 << 1, |
| kXCount_DrawImageLatticeShift = 2, // bits 2:9 are xcount or FF means 32bits follow |
| kYCount_DrawImageLatticeShift = 10, // bits 10:17 are ycount or FF means 32bits follow |
| kCount_DrawImageLatticeMask = 0xFF, // sentinel for 32bits follow, |
| // thus max inline count is 254 |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| static inline bool fits_in(int value, int bits) { |
| return value >= 0 && value < (1 << bits); |
| } |
| |
| static inline void ASSERT_FITS_IN(int value, int bits) { |
| SkASSERT(fits_in(value, bits)); |
| } |
| |
| static inline uint32_t pack_verb(SkPipeVerb verb, unsigned extra = 0) { |
| //SkDebugf("pack [%d] %d\n", verb, extra); |
| ASSERT_FITS_IN((unsigned)verb, 8); |
| ASSERT_FITS_IN(extra, 24); |
| return ((uint32_t)verb << 24) | extra; |
| } |
| |
| static inline SkPipeVerb unpack_verb(uint32_t data) { |
| return (SkPipeVerb)(data >> 24); |
| } |
| |
| static inline unsigned unpack_verb_extra(uint32_t data) { |
| return data & 0xFFFFFF; |
| } |
| |
| #endif |