| 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 #include "SkBlitter.h" | 8 #include "SkBlitter.h" |
| 9 #include "SkAntiRun.h" | 9 #include "SkAntiRun.h" |
| 10 #include "SkColor.h" | 10 #include "SkColor.h" |
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| 585 class Sk3DShader : public SkShader { | 585 class Sk3DShader : public SkShader { |
| 586 public: | 586 public: |
| 587 Sk3DShader(SkShader* proxy) : fProxy(proxy) { | 587 Sk3DShader(SkShader* proxy) : fProxy(proxy) { |
| 588 SkSafeRef(proxy); | 588 SkSafeRef(proxy); |
| 589 } | 589 } |
| 590 | 590 |
| 591 virtual ~Sk3DShader() { | 591 virtual ~Sk3DShader() { |
| 592 SkSafeUnref(fProxy); | 592 SkSafeUnref(fProxy); |
| 593 } | 593 } |
| 594 | 594 |
| 595 size_t contextSize() const override { | 595 size_t contextSize(const ContextRec& rec) const override { |
| 596 size_t size = sizeof(Sk3DShaderContext); | 596 size_t size = sizeof(Sk3DShaderContext); |
| 597 if (fProxy) { | 597 if (fProxy) { |
| 598 size += fProxy->contextSize(); | 598 size += fProxy->contextSize(rec); |
| 599 } | 599 } |
| 600 return size; | 600 return size; |
| 601 } | 601 } |
| 602 | 602 |
| 603 Context* onCreateContext(const ContextRec& rec, void* storage) const overrid
e { | 603 Context* onCreateContext(const ContextRec& rec, void* storage) const overrid
e { |
| 604 SkShader::Context* proxyContext = nullptr; | 604 SkShader::Context* proxyContext = nullptr; |
| 605 if (fProxy) { | 605 if (fProxy) { |
| 606 char* proxyContextStorage = (char*) storage + sizeof(Sk3DShaderConte
xt); | 606 char* proxyContextStorage = (char*) storage + sizeof(Sk3DShaderConte
xt); |
| 607 proxyContext = fProxy->createContext(rec, proxyContextStorage); | 607 proxyContext = fProxy->createContext(rec, proxyContextStorage); |
| 608 if (!proxyContext) { | 608 if (!proxyContext) { |
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| 868 paint.writable()->setShader(shader)->unref(); | 868 paint.writable()->setShader(shader)->unref(); |
| 869 // blitters should ignore the presence/absence of a filter, since | 869 // blitters should ignore the presence/absence of a filter, since |
| 870 // if there is one, the shader will take care of it. | 870 // if there is one, the shader will take care of it. |
| 871 } | 871 } |
| 872 | 872 |
| 873 /* | 873 /* |
| 874 * We create a SkShader::Context object, and store it on the blitter. | 874 * We create a SkShader::Context object, and store it on the blitter. |
| 875 */ | 875 */ |
| 876 SkShader::Context* shaderContext = nullptr; | 876 SkShader::Context* shaderContext = nullptr; |
| 877 if (shader) { | 877 if (shader) { |
| 878 SkShader::ContextRec rec(*paint, matrix, nullptr); | 878 SkShader::ContextRec rec(*paint, matrix, nullptr, |
| 879 size_t contextSize = shader->contextSize(); | 879 device.colorType(), |
| 880 device.info().profileType()); |
| 881 size_t contextSize = shader->contextSize(rec); |
| 880 if (contextSize) { | 882 if (contextSize) { |
| 881 // Try to create the ShaderContext | 883 // Try to create the ShaderContext |
| 882 void* storage = allocator->reserveT<SkShader::Context>(contextSize); | 884 void* storage = allocator->reserveT<SkShader::Context>(contextSize); |
| 883 shaderContext = shader->createContext(rec, storage); | 885 shaderContext = shader->createContext(rec, storage); |
| 884 if (!shaderContext) { | 886 if (!shaderContext) { |
| 885 allocator->freeLast(); | 887 allocator->freeLast(); |
| 886 return allocator->createT<SkNullBlitter>(); | 888 return allocator->createT<SkNullBlitter>(); |
| 887 } | 889 } |
| 888 SkASSERT(shaderContext); | 890 SkASSERT(shaderContext); |
| 889 SkASSERT((void*) shaderContext == storage); | 891 SkASSERT((void*) shaderContext == storage); |
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| 952 } | 954 } |
| 953 return blitter; | 955 return blitter; |
| 954 } | 956 } |
| 955 | 957 |
| 956 /////////////////////////////////////////////////////////////////////////////// | 958 /////////////////////////////////////////////////////////////////////////////// |
| 957 | 959 |
| 958 class SkZeroShaderContext : public SkShader::Context { | 960 class SkZeroShaderContext : public SkShader::Context { |
| 959 public: | 961 public: |
| 960 SkZeroShaderContext(const SkShader& shader, const SkShader::ContextRec& rec) | 962 SkZeroShaderContext(const SkShader& shader, const SkShader::ContextRec& rec) |
| 961 // Override rec with the identity matrix, so it is guaranteed to be inve
rtible. | 963 // Override rec with the identity matrix, so it is guaranteed to be inve
rtible. |
| 962 : INHERITED(shader, SkShader::ContextRec(*rec.fPaint, SkMatrix::I(), nul
lptr)) {} | 964 : INHERITED(shader, SkShader::ContextRec(*rec.fPaint, SkMatrix::I(), nul
lptr, |
| 965 rec.fDeviceColorType, rec.fDevi
ceColorProfile)) {} |
| 963 | 966 |
| 964 void shadeSpan(int x, int y, SkPMColor colors[], int count) override { | 967 void shadeSpan(int x, int y, SkPMColor colors[], int count) override { |
| 965 sk_bzero(colors, count * sizeof(SkPMColor)); | 968 sk_bzero(colors, count * sizeof(SkPMColor)); |
| 966 } | 969 } |
| 967 | 970 |
| 968 private: | 971 private: |
| 969 typedef SkShader::Context INHERITED; | 972 typedef SkShader::Context INHERITED; |
| 970 }; | 973 }; |
| 971 | 974 |
| 972 SkShaderBlitter::SkShaderBlitter(const SkPixmap& device, const SkPaint& paint, | 975 SkShaderBlitter::SkShaderBlitter(const SkPixmap& device, const SkPaint& paint, |
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| 995 fShaderContext->~Context(); | 998 fShaderContext->~Context(); |
| 996 SkShader::Context* ctx = fShader->createContext(rec, (void*)fShaderContext); | 999 SkShader::Context* ctx = fShader->createContext(rec, (void*)fShaderContext); |
| 997 if (nullptr == ctx) { | 1000 if (nullptr == ctx) { |
| 998 // Need a valid context in fShaderContext's storage, so we can later (or
our caller) call | 1001 // Need a valid context in fShaderContext's storage, so we can later (or
our caller) call |
| 999 // the in-place destructor. | 1002 // the in-place destructor. |
| 1000 new (fShaderContext) SkZeroShaderContext(*fShader, rec); | 1003 new (fShaderContext) SkZeroShaderContext(*fShader, rec); |
| 1001 return false; | 1004 return false; |
| 1002 } | 1005 } |
| 1003 return true; | 1006 return true; |
| 1004 } | 1007 } |
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