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Diffstat (limited to 'libs/graphics/animator/SkTDArray_Experimental.h')
| -rw-r--r-- | libs/graphics/animator/SkTDArray_Experimental.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/libs/graphics/animator/SkTDArray_Experimental.h b/libs/graphics/animator/SkTDArray_Experimental.h new file mode 100644 index 0000000000..9511d4ed52 --- /dev/null +++ b/libs/graphics/animator/SkTDArray_Experimental.h @@ -0,0 +1,133 @@ +#ifndef SkTDArray_Experimental_DEFINED +#define SkTDArray_Experimental_DEFINED + +#include "SkTypes.h" + +#ifdef SK_BUILD_FOR_UNIX +#define SK_BUILD_FOR_ADS_12 +#endif + +#ifndef SK_BUILD_FOR_ADS_12 +#define SK_SMALLER_ARRAY_TEMPLATE_EXPERIMENT 1 +#else +#define SK_SMALLER_ARRAY_TEMPLATE_EXPERIMENT 0 +#endif + +#if SK_SMALLER_ARRAY_TEMPLATE_EXPERIMENT == 0 +#include "SkTDArray.h" +#define SkIntArray(type) SkTDArray<type> +#define SkLongArray(type) SkTDArray<type> +#else + +class SkDS32Array { +protected: + SkDS32Array(); + SkDS32Array(const SkDS32Array& src); + SkDS32Array(const int32_t src[], U16CPU count); + SkDS32Array& operator=(const SkDS32Array& src); + friend int operator==(const SkDS32Array& a, const SkDS32Array& b); + int32_t* append() { return this->append(1, nil); } + int32_t* append(U16CPU count, const int32_t* src = nil); + + int32_t* appendClear() + { + int32_t* result = this->append(); + *result = 0; + return result; + } + + int find(const int32_t& elem) const; + int32_t* insert(U16CPU index, U16CPU count, const int32_t* src); + int rfind(const int32_t& elem) const; + void swap(SkDS32Array& other); +public: + bool isEmpty() const { return fCount == 0; } + int count() const { return fCount; } + + void remove(U16CPU index, U16CPU count = 1) + { + SkASSERT(index + count <= fCount); + fCount = SkToU16(fCount - count); + memmove(fArray + index, fArray + index + count, sizeof(int32_t) * (fCount - index)); + } + + void reset() + { + if (fArray) + { + sk_free(fArray); + fArray = nil; +#ifdef SK_DEBUG + fData = nil; +#endif + fReserve = fCount = 0; + } + else + { + SkASSERT(fReserve == 0 && fCount == 0); + } + } + + void setCount(U16CPU count) + { + if (count > fReserve) + this->growBy(count - fCount); + else + fCount = SkToU16(count); + } +protected: +#ifdef SK_DEBUG + enum { + kDebugArraySize = 24 + }; + int32_t(* fData)[kDebugArraySize]; +#endif + int32_t* fArray; + uint16_t fReserve, fCount; + void growBy(U16CPU extra); +}; + +#ifdef SK_DEBUG + #define SYNC() fTData = (T (*)[kDebugArraySize]) fArray +#else + #define SYNC() +#endif + +template <typename T> class SkTDS32Array : public SkDS32Array { +public: + SkTDS32Array() { SkDEBUGCODE(fTData=nil); SkASSERT(sizeof(T) == sizeof(int32_t)); } + SkTDS32Array(const SkTDS32Array<T>& src) : SkDS32Array(src) {} + ~SkTDS32Array() { sk_free(fArray); } + T& operator[](int index) const { SYNC(); SkASSERT((unsigned)index < fCount); return ((T*) fArray)[index]; } + SkTDS32Array<T>& operator=(const SkTDS32Array<T>& src) { + return (SkTDS32Array<T>&) SkDS32Array::operator=(src); } + friend int operator==(const SkTDS32Array<T>& a, const SkTDS32Array<T>& b) { + return operator==((const SkDS32Array&) a, (const SkDS32Array&) b); } + T* append() { return (T*) SkDS32Array::append(); } + T* appendClear() { return (T*) SkDS32Array::appendClear(); } + T* append(U16CPU count, const T* src = nil) { return (T*) SkDS32Array::append(count, (const int32_t*) src); } + T* begin() const { SYNC(); return (T*) fArray; } + T* end() const { return (T*) (fArray ? fArray + fCount : nil); } + int find(const T& elem) const { return SkDS32Array::find((const int32_t&) elem); } + T* insert(U16CPU index) { return this->insert(index, 1, nil); } + T* insert(U16CPU index, U16CPU count, const T* src = nil) { + return (T*) SkDS32Array::insert(index, count, (const int32_t*) src); } + int rfind(const T& elem) const { return SkDS32Array::rfind((const int32_t&) elem); } + T* push() { return this->append(); } + void push(T& elem) { *this->append() = elem; } + const T& top() const { return (*this)[fCount - 1]; } + T& top() { return (*this)[fCount - 1]; } + void pop(T* elem) { if (elem) *elem = (*this)[fCount - 1]; --fCount; } + void pop() { --fCount; } +private: +#ifdef SK_DEBUG + mutable T(* fTData)[kDebugArraySize]; +#endif +}; + +#define SkIntArray(type) SkTDS32Array<type> // holds 32 bit data types +#define SkLongArray(type) SkTDS32Array<type> // holds 32/64 bit data types depending on pointer size + +#endif // SK_SMALLER_ARRAY_TEMPLATE_EXPERIMENT + +#endif // SkTDArray_Experimental_DEFINED |