OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkBitmapProcShader_DEFINED | 8 #ifndef SkBitmapProcShader_DEFINED |
9 #define SkBitmapProcShader_DEFINED | 9 #define SkBitmapProcShader_DEFINED |
10 | 10 |
11 #include "SkShader.h" | 11 #include "SkShader.h" |
12 #include "SkSmallAllocator.h" | 12 #include "SkSmallAllocator.h" |
13 | 13 |
14 struct SkBitmapProcState; | 14 struct SkBitmapProcState; |
15 class SkBitmapProvider; | 15 class SkBitmapProvider; |
16 | 16 |
17 class SkBitmapProcShader : public SkShader { | 17 class SkBitmapProcShader : public SkShader { |
18 public: | 18 public: |
19 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty, | 19 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty, |
20 const SkMatrix* localMatrix = nullptr); | 20 const SkMatrix* localMatrix = nullptr); |
21 | 21 |
22 bool isOpaque() const override; | 22 bool isOpaque() const override; |
23 | 23 |
24 size_t contextSize(const ContextRec& rec) const override { | 24 size_t contextSize(const ContextRec& rec) const override { return ContextSiz
e(rec); } |
25 return ContextSize(rec, fRawBitmap.info()); | |
26 } | |
27 | 25 |
28 SK_TO_STRING_OVERRIDE() | 26 SK_TO_STRING_OVERRIDE() |
29 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) | 27 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) |
30 | 28 |
31 #if SK_SUPPORT_GPU | 29 #if SK_SUPPORT_GPU |
32 const GrFragmentProcessor* asFragmentProcessor(GrContext*, const SkMatrix& v
iewM, | 30 const GrFragmentProcessor* asFragmentProcessor(GrContext*, const SkMatrix& v
iewM, |
33 const SkMatrix*, SkFilterQual
ity) const override; | 31 const SkMatrix*, SkFilterQual
ity) const override; |
34 #endif | 32 #endif |
35 | 33 |
36 protected: | 34 protected: |
37 void flatten(SkWriteBuffer&) const override; | 35 void flatten(SkWriteBuffer&) const override; |
38 Context* onCreateContext(const ContextRec&, void* storage) const override; | 36 Context* onCreateContext(const ContextRec&, void* storage) const override; |
39 bool onIsABitmap(SkBitmap*, SkMatrix*, TileMode*) const override; | 37 bool onIsABitmap(SkBitmap*, SkMatrix*, TileMode*) const override; |
40 | 38 |
41 SkBitmap fRawBitmap; | 39 SkBitmap fRawBitmap; // experimental for RLE encoding |
42 uint8_t fTileModeX, fTileModeY; | 40 uint8_t fTileModeX, fTileModeY; |
43 | 41 |
44 private: | 42 private: |
45 friend class SkImageShader; | 43 friend class SkImageShader; |
46 | 44 |
47 static size_t ContextSize(const ContextRec&, const SkImageInfo& srcInfo); | 45 static size_t ContextSize(const ContextRec&); |
48 static Context* MakeContext(const SkShader&, TileMode tmx, TileMode tmy, | 46 static Context* MakeContext(const SkShader&, TileMode tmx, TileMode tmy, |
49 const SkBitmapProvider&, const ContextRec&, void
* storage); | 47 const SkBitmapProvider&, const ContextRec&, void
* storage); |
50 | 48 |
51 typedef SkShader INHERITED; | 49 typedef SkShader INHERITED; |
52 }; | 50 }; |
53 | 51 |
54 // Commonly used allocator. It currently is only used to allocate up to 3 object
s. The total | 52 // Commonly used allocator. It currently is only used to allocate up to 3 object
s. The total |
55 // bytes requested is calculated using one of our large shaders, its context siz
e plus the size of | 53 // bytes requested is calculated using one of our large shaders, its context siz
e plus the size of |
56 // an Sk3DBlitter in SkDraw.cpp | 54 // an Sk3DBlitter in SkDraw.cpp |
57 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not | 55 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not |
58 // yet found a situation where the size below isn't big enough. | 56 // yet found a situation where the size below isn't big enough. |
59 typedef SkSmallAllocator<3, 2100> SkTBlitterAllocator; | 57 typedef SkSmallAllocator<3, 1500> SkTBlitterAllocator; |
60 | 58 |
61 // If alloc is non-nullptr, it will be used to allocate the returned SkShader, a
nd MUST outlive | 59 // If alloc is non-nullptr, it will be used to allocate the returned SkShader, a
nd MUST outlive |
62 // the SkShader. | 60 // the SkShader. |
63 SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader
::TileMode, | 61 SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader
::TileMode, |
64 const SkMatrix* localMatrix, SkTBlitterAllocator*
alloc); | 62 const SkMatrix* localMatrix, SkTBlitterAllocator*
alloc); |
65 | 63 |
66 #endif | 64 #endif |
OLD | NEW |