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Side by Side Diff: src/core/SkBitmapProcShader.h

Issue 261773005: Remove SkShader virtual method validContext (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: correctly call shaderA/B in composeshader Created 6 years, 7 months ago
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1 1
2 /* 2 /*
3 * Copyright 2006 The Android Open Source Project 3 * Copyright 2006 The Android Open Source Project
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #ifndef SkBitmapProcShader_DEFINED 10 #ifndef SkBitmapProcShader_DEFINED
11 #define SkBitmapProcShader_DEFINED 11 #define SkBitmapProcShader_DEFINED
12 12
13 #include "SkShader.h" 13 #include "SkShader.h"
14 #include "SkBitmapProcState.h" 14 #include "SkBitmapProcState.h"
15 #include "SkSmallAllocator.h" 15 #include "SkSmallAllocator.h"
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 = NULL); 20 const SkMatrix* localMatrix = NULL);
21 21
22 // overrides from SkShader 22 // overrides from SkShader
23 virtual bool isOpaque() const SK_OVERRIDE; 23 virtual bool isOpaque() const SK_OVERRIDE;
24 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERR IDE; 24 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERR IDE;
25 25
26 virtual bool validContext(const ContextRec&, SkMatrix* totalInverse) const S K_OVERRIDE;
27 virtual SkShader::Context* createContext(const ContextRec&, void* storage) c onst SK_OVERRIDE;
28 virtual size_t contextSize() const SK_OVERRIDE; 26 virtual size_t contextSize() const SK_OVERRIDE;
29 27
30 static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); 28 static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty);
31 29
32 SK_TO_STRING_OVERRIDE() 30 SK_TO_STRING_OVERRIDE()
33 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) 31 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader)
34 32
35 #if SK_SUPPORT_GPU 33 #if SK_SUPPORT_GPU
36 GrEffectRef* asNewEffect(GrContext*, const SkPaint&) const SK_OVERRIDE; 34 GrEffectRef* asNewEffect(GrContext*, const SkPaint&) const SK_OVERRIDE;
37 #endif 35 #endif
(...skipping 14 matching lines...) Expand all
52 private: 50 private:
53 SkBitmapProcState* fState; 51 SkBitmapProcState* fState;
54 uint32_t fFlags; 52 uint32_t fFlags;
55 53
56 typedef SkShader::Context INHERITED; 54 typedef SkShader::Context INHERITED;
57 }; 55 };
58 56
59 protected: 57 protected:
60 SkBitmapProcShader(SkReadBuffer& ); 58 SkBitmapProcShader(SkReadBuffer& );
61 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; 59 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
60 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_ OVERRIDE;
62 61
63 SkBitmap fRawBitmap; // experimental for RLE encoding 62 SkBitmap fRawBitmap; // experimental for RLE encoding
64 uint8_t fTileModeX, fTileModeY; 63 uint8_t fTileModeX, fTileModeY;
65 64
66 private: 65 private:
67 bool validInternal(const ContextRec&, SkMatrix* totalInverse, SkBitmapProcSt ate*) const;
68
69 typedef SkShader INHERITED; 66 typedef SkShader INHERITED;
70 }; 67 };
71 68
72 // Commonly used allocator. It currently is only used to allocate up to 3 object s. The total 69 // Commonly used allocator. It currently is only used to allocate up to 3 object s. The total
73 // bytes requested is calculated using one of our large shaders, its context siz e plus the size of 70 // bytes requested is calculated using one of our large shaders, its context siz e plus the size of
74 // an Sk3DBlitter in SkDraw.cpp 71 // an Sk3DBlitter in SkDraw.cpp
75 // Note that some contexts may contain other contexts (e.g. for compose shaders) , but we've not 72 // Note that some contexts may contain other contexts (e.g. for compose shaders) , but we've not
76 // yet found a situation where the size below isn't big enough. 73 // yet found a situation where the size below isn't big enough.
77 typedef SkSmallAllocator<3, sizeof(SkBitmapProcShader) + 74 typedef SkSmallAllocator<3, sizeof(SkBitmapProcShader) +
78 sizeof(SkBitmapProcShader::BitmapProcShaderContext) + 75 sizeof(SkBitmapProcShader::BitmapProcShaderContext) +
79 sizeof(SkBitmapProcState) + 76 sizeof(SkBitmapProcState) +
80 sizeof(void*) * 2> SkTBlitterAllocator; 77 sizeof(void*) * 2> SkTBlitterAllocator;
81 78
82 // If alloc is non-NULL, it will be used to allocate the returned SkShader, and MUST outlive 79 // If alloc is non-NULL, it will be used to allocate the returned SkShader, and MUST outlive
83 // the SkShader. 80 // the SkShader.
84 SkShader* CreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader:: TileMode, 81 SkShader* CreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader:: TileMode,
85 const SkMatrix* localMatrix, SkTBlitterAllocator* a lloc); 82 const SkMatrix* localMatrix, SkTBlitterAllocator* a lloc);
86 83
87 #endif 84 #endif
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