| OLD | NEW |
| 1 | |
| 2 /* | 1 /* |
| 3 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
| 4 * | 3 * |
| 5 * 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 |
| 6 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 7 */ | 6 */ |
| 8 | 7 |
| 9 | |
| 10 #ifndef SkBitmapProcShader_DEFINED | 8 #ifndef SkBitmapProcShader_DEFINED |
| 11 #define SkBitmapProcShader_DEFINED | 9 #define SkBitmapProcShader_DEFINED |
| 12 | 10 |
| 13 #include "SkShader.h" | 11 #include "SkShader.h" |
| 14 #include "SkSmallAllocator.h" | 12 #include "SkSmallAllocator.h" |
| 15 | 13 |
| 16 struct SkBitmapProcState; | 14 struct SkBitmapProcState; |
| 17 class SkBitmapProvider; | 15 class SkBitmapProvider; |
| 18 | 16 |
| 19 class SkBitmapProcShader : public SkShader { | 17 class SkBitmapProcShader : public SkShader { |
| 20 public: | 18 public: |
| 21 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty, | 19 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty, |
| 22 const SkMatrix* localMatrix = nullptr); | 20 const SkMatrix* localMatrix = nullptr); |
| 23 | 21 |
| 24 bool isOpaque() const override; | 22 bool isOpaque() const override; |
| 25 | 23 |
| 26 size_t contextSize(const ContextRec&) const override { return ContextSize();
} | 24 size_t contextSize(const ContextRec& rec) const override { return ContextSiz
e(rec); } |
| 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 class BitmapProcShaderContext : public SkShader::Context { | |
| 38 public: | |
| 39 // The context takes ownership of the state. It will call its destructor | |
| 40 // but will NOT free the memory. | |
| 41 BitmapProcShaderContext(const SkShader&, const ContextRec&, SkBitmapProc
State*); | |
| 42 ~BitmapProcShaderContext() override; | |
| 43 | |
| 44 void shadeSpan(int x, int y, SkPMColor dstC[], int count) override; | |
| 45 ShadeProc asAShadeProc(void** ctx) override; | |
| 46 | |
| 47 uint32_t getFlags() const override { return fFlags; } | |
| 48 | |
| 49 private: | |
| 50 SkBitmapProcState* fState; | |
| 51 uint32_t fFlags; | |
| 52 | |
| 53 typedef SkShader::Context INHERITED; | |
| 54 }; | |
| 55 | |
| 56 void flatten(SkWriteBuffer&) const override; | 35 void flatten(SkWriteBuffer&) const override; |
| 57 Context* onCreateContext(const ContextRec&, void* storage) const override; | 36 Context* onCreateContext(const ContextRec&, void* storage) const override; |
| 58 bool onIsABitmap(SkBitmap*, SkMatrix*, TileMode*) const override; | 37 bool onIsABitmap(SkBitmap*, SkMatrix*, TileMode*) const override; |
| 59 | 38 |
| 60 SkBitmap fRawBitmap; // experimental for RLE encoding | 39 SkBitmap fRawBitmap; // experimental for RLE encoding |
| 61 uint8_t fTileModeX, fTileModeY; | 40 uint8_t fTileModeX, fTileModeY; |
| 62 | 41 |
| 63 private: | 42 private: |
| 64 friend class SkImageShader; | 43 friend class SkImageShader; |
| 65 | 44 |
| 66 static size_t ContextSize(); | 45 static size_t ContextSize(const ContextRec&); |
| 67 static Context* MakeContext(const SkShader&, TileMode tmx, TileMode tmy, | 46 static Context* MakeContext(const SkShader&, TileMode tmx, TileMode tmy, |
| 68 const SkBitmapProvider&, const ContextRec&, void
* storage); | 47 const SkBitmapProvider&, const ContextRec&, void
* storage); |
| 69 | 48 |
| 70 typedef SkShader INHERITED; | 49 typedef SkShader INHERITED; |
| 71 }; | 50 }; |
| 72 | 51 |
| 73 // 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 |
| 74 // 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 |
| 75 // an Sk3DBlitter in SkDraw.cpp | 54 // an Sk3DBlitter in SkDraw.cpp |
| 76 // 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 |
| 77 // 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. |
| 78 typedef SkSmallAllocator<3, 1500> SkTBlitterAllocator; | 57 typedef SkSmallAllocator<3, 1500> SkTBlitterAllocator; |
| 79 | 58 |
| 80 // 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 |
| 81 // the SkShader. | 60 // the SkShader. |
| 82 SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader
::TileMode, | 61 SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader
::TileMode, |
| 83 const SkMatrix* localMatrix, SkTBlitterAllocator*
alloc); | 62 const SkMatrix* localMatrix, SkTBlitterAllocator*
alloc); |
| 84 | 63 |
| 85 #endif | 64 #endif |
| OLD | NEW |