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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 // SkBitmapProcShader stores bitmap coordinates in a 16bit buffer, as it | |
25 // communicates between its matrix-proc and its sampler-proc. Until we can | |
26 // widen that, we have to reject bitmaps that are larger. | |
27 static bool BitmapIsTooBig(const SkBitmap&); | |
28 | |
29 SK_TO_STRING_OVERRIDE() | 24 SK_TO_STRING_OVERRIDE() |
30 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) | 25 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) |
31 | 26 |
32 #if SK_SUPPORT_GPU | 27 #if SK_SUPPORT_GPU |
33 sk_sp<GrFragmentProcessor> asFragmentProcessor(GrContext*, const SkMatrix& v
iewM, | 28 sk_sp<GrFragmentProcessor> asFragmentProcessor(GrContext*, const SkMatrix& v
iewM, |
34 const SkMatrix*, SkFilterQual
ity, | 29 const SkMatrix*, SkFilterQual
ity, |
35 SkSourceGammaTreatment) const
override; | 30 SkSourceGammaTreatment) const
override; |
36 #endif | 31 #endif |
37 | 32 |
38 protected: | 33 protected: |
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64 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not | 59 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not |
65 // yet found a situation where the size below isn't big enough. | 60 // yet found a situation where the size below isn't big enough. |
66 typedef SkSmallAllocator<3, kSkBlitterContextSize> SkTBlitterAllocator; | 61 typedef SkSmallAllocator<3, kSkBlitterContextSize> SkTBlitterAllocator; |
67 | 62 |
68 // If alloc is non-nullptr, it will be used to allocate the returned SkShader, a
nd MUST outlive | 63 // If alloc is non-nullptr, it will be used to allocate the returned SkShader, a
nd MUST outlive |
69 // the SkShader. | 64 // the SkShader. |
70 sk_sp<SkShader> SkMakeBitmapShader(const SkBitmap& src, SkShader::TileMode, SkSh
ader::TileMode, | 65 sk_sp<SkShader> SkMakeBitmapShader(const SkBitmap& src, SkShader::TileMode, SkSh
ader::TileMode, |
71 const SkMatrix* localMatrix, SkTBlitterAlloca
tor* alloc); | 66 const SkMatrix* localMatrix, SkTBlitterAlloca
tor* alloc); |
72 | 67 |
73 #endif | 68 #endif |
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