diff options
Diffstat (limited to 'graphics/scaler/scale2x.cpp')
| -rw-r--r-- | graphics/scaler/scale2x.cpp | 110 |
1 files changed, 48 insertions, 62 deletions
diff --git a/graphics/scaler/scale2x.cpp b/graphics/scaler/scale2x.cpp index 877bbb9509..deae44c1c7 100644 --- a/graphics/scaler/scale2x.cpp +++ b/graphics/scaler/scale2x.cpp @@ -37,13 +37,10 @@ #include "graphics/scaler/intern.h" #include "graphics/scaler/scale2x.h" -#include <assert.h> - /***************************************************************************/ /* Scale2x C implementation */ -static inline void scale2x_8_def_single(scale2x_uint8* __restrict__ dst, const scale2x_uint8* __restrict__ src0, const scale2x_uint8* __restrict__ src1, const scale2x_uint8* __restrict__ src2, unsigned count) -{ +static inline void scale2x_8_def_single(scale2x_uint8* __restrict__ dst, const scale2x_uint8* __restrict__ src0, const scale2x_uint8* __restrict__ src1, const scale2x_uint8* __restrict__ src2, unsigned count) { /* central pixels */ while (count) { if (src0[0] != src2[0] && src1[-1] != src1[1]) { @@ -62,8 +59,7 @@ static inline void scale2x_8_def_single(scale2x_uint8* __restrict__ dst, const s } } -static inline void scale2x_16_def_single(scale2x_uint16* __restrict__ dst, const scale2x_uint16* __restrict__ src0, const scale2x_uint16* __restrict__ src1, const scale2x_uint16* __restrict__ src2, unsigned count) -{ +static inline void scale2x_16_def_single(scale2x_uint16* __restrict__ dst, const scale2x_uint16* __restrict__ src0, const scale2x_uint16* __restrict__ src1, const scale2x_uint16* __restrict__ src2, unsigned count) { /* central pixels */ while (count) { if (src0[0] != src2[0] && src1[-1] != src1[1]) { @@ -82,8 +78,7 @@ static inline void scale2x_16_def_single(scale2x_uint16* __restrict__ dst, const } } -static inline void scale2x_32_def_single(scale2x_uint32* __restrict__ dst, const scale2x_uint32* __restrict__ src0, const scale2x_uint32* __restrict__ src1, const scale2x_uint32* __restrict__ src2, unsigned count) -{ +static inline void scale2x_32_def_single(scale2x_uint32* __restrict__ dst, const scale2x_uint32* __restrict__ src0, const scale2x_uint32* __restrict__ src1, const scale2x_uint32* __restrict__ src2, unsigned count) { /* central pixels */ while (count) { if (src0[0] != src2[0] && src1[-1] != src1[1]) { @@ -107,16 +102,15 @@ static inline void scale2x_32_def_single(scale2x_uint32* __restrict__ dst, const * The function is implemented in C. * The pixels over the left and right borders are assumed of the same color of * the pixels on the border. - * \param src0 Pointer at the first pixel of the previous row. - * \param src1 Pointer at the first pixel of the current row. - * \param src2 Pointer at the first pixel of the next row. - * \param count Length in pixels of the src0, src1 and src2 rows. + * @param src0 Pointer at the first pixel of the previous row. + * @param src1 Pointer at the first pixel of the current row. + * @param src2 Pointer at the first pixel of the next row. + * @param count Length in pixels of the src0, src1 and src2 rows. * It must be at least 2. - * \param dst0 First destination row, double length in pixels. - * \param dst1 Second destination row, double length in pixels. + * @param dst0 First destination row, double length in pixels. + * @param dst1 Second destination row, double length in pixels. */ -void scale2x_8_def(scale2x_uint8* dst0, scale2x_uint8* dst1, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count) -{ +void scale2x_8_def(scale2x_uint8* dst0, scale2x_uint8* dst1, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count) { scale2x_8_def_single(dst0, src0, src1, src2, count); scale2x_8_def_single(dst1, src2, src1, src0, count); } @@ -124,16 +118,15 @@ void scale2x_8_def(scale2x_uint8* dst0, scale2x_uint8* dst1, const scale2x_uint8 /** * Scale by a factor of 2 a row of pixels of 16 bits. * This function operates like scale2x_8_def() but for 16 bits pixels. - * \param src0 Pointer at the first pixel of the previous row. - * \param src1 Pointer at the first pixel of the current row. - * \param src2 Pointer at the first pixel of the next row. - * \param count Length in pixels of the src0, src1 and src2 rows. + * @param src0 Pointer at the first pixel of the previous row. + * @param src1 Pointer at the first pixel of the current row. + * @param src2 Pointer at the first pixel of the next row. + * @param count Length in pixels of the src0, src1 and src2 rows. * It must be at least 2. - * \param dst0 First destination row, double length in pixels. - * \param dst1 Second destination row, double length in pixels. + * @param dst0 First destination row, double length in pixels. + * @param dst1 Second destination row, double length in pixels. */ -void scale2x_16_def(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count) -{ +void scale2x_16_def(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count) { scale2x_16_def_single(dst0, src0, src1, src2, count); scale2x_16_def_single(dst1, src2, src1, src0, count); } @@ -141,16 +134,15 @@ void scale2x_16_def(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_ui /** * Scale by a factor of 2 a row of pixels of 32 bits. * This function operates like scale2x_8_def() but for 32 bits pixels. - * \param src0 Pointer at the first pixel of the previous row. - * \param src1 Pointer at the first pixel of the current row. - * \param src2 Pointer at the first pixel of the next row. - * \param count Length in pixels of the src0, src1 and src2 rows. + * @param src0 Pointer at the first pixel of the previous row. + * @param src1 Pointer at the first pixel of the current row. + * @param src2 Pointer at the first pixel of the next row. + * @param count Length in pixels of the src0, src1 and src2 rows. * It must be at least 2. - * \param dst0 First destination row, double length in pixels. - * \param dst1 Second destination row, double length in pixels. + * @param dst0 First destination row, double length in pixels. + * @param dst1 Second destination row, double length in pixels. */ -void scale2x_32_def(scale2x_uint32* dst0, scale2x_uint32* dst1, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count) -{ +void scale2x_32_def(scale2x_uint32* dst0, scale2x_uint32* dst1, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count) { scale2x_32_def_single(dst0, src0, src1, src2, count); scale2x_32_def_single(dst1, src2, src1, src0, count); } @@ -198,8 +190,7 @@ void scale2x_32_def(scale2x_uint32* dst0, scale2x_uint32* dst1, const scale2x_ui * %mm6 -> *current_upper * %mm7 -> *current */ -static inline void scale2x_8_mmx_single(scale2x_uint8* dst, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count) -{ +static inline void scale2x_8_mmx_single(scale2x_uint8* dst, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count) { assert(count >= 16); assert(count % 8 == 0); @@ -276,8 +267,7 @@ static inline void scale2x_8_mmx_single(scale2x_uint8* dst, const scale2x_uint8* ); } -static inline void scale2x_16_mmx_single(scale2x_uint16* dst, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count) -{ +static inline void scale2x_16_mmx_single(scale2x_uint16* dst, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count) { assert(count >= 8); assert(count % 4 == 0); @@ -354,8 +344,7 @@ static inline void scale2x_16_mmx_single(scale2x_uint16* dst, const scale2x_uint ); } -static inline void scale2x_32_mmx_single(scale2x_uint32* dst, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count) -{ +static inline void scale2x_32_mmx_single(scale2x_uint32* dst, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count) { assert(count >= 4); assert(count % 2 == 0); @@ -445,16 +434,15 @@ static inline void scale2x_32_mmx_single(scale2x_uint32* dst, const scale2x_uint * instruction before any floating-point operation. * The pixels over the left and right borders are assumed of the same color of * the pixels on the border. - * \param src0 Pointer at the first pixel of the previous row. - * \param src1 Pointer at the first pixel of the current row. - * \param src2 Pointer at the first pixel of the next row. - * \param count Length in pixels of the src0, src1 and src2 rows. It must + * @param src0 Pointer at the first pixel of the previous row. + * @param src1 Pointer at the first pixel of the current row. + * @param src2 Pointer at the first pixel of the next row. + * @param count Length in pixels of the src0, src1 and src2 rows. It must * be at least 16 and a multiple of 8. - * \param dst0 First destination row, double length in pixels. - * \param dst1 Second destination row, double length in pixels. + * @param dst0 First destination row, double length in pixels. + * @param dst1 Second destination row, double length in pixels. */ -void scale2x_8_mmx(scale2x_uint8* dst0, scale2x_uint8* dst1, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count) -{ +void scale2x_8_mmx(scale2x_uint8* dst0, scale2x_uint8* dst1, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count) { if (count % 8 != 0 || count < 16) { scale2x_8_def(dst0, dst1, src0, src1, src2, count); } else { @@ -469,16 +457,15 @@ void scale2x_8_mmx(scale2x_uint8* dst0, scale2x_uint8* dst1, const scale2x_uint8 /** * Scale by a factor of 2 a row of pixels of 16 bits. * This function operates like scale2x_8_mmx() but for 16 bits pixels. - * \param src0 Pointer at the first pixel of the previous row. - * \param src1 Pointer at the first pixel of the current row. - * \param src2 Pointer at the first pixel of the next row. - * \param count Length in pixels of the src0, src1 and src2 rows. It must + * @param src0 Pointer at the first pixel of the previous row. + * @param src1 Pointer at the first pixel of the current row. + * @param src2 Pointer at the first pixel of the next row. + * @param count Length in pixels of the src0, src1 and src2 rows. It must * be at least 8 and a multiple of 4. - * \param dst0 First destination row, double length in pixels. - * \param dst1 Second destination row, double length in pixels. + * @param dst0 First destination row, double length in pixels. + * @param dst1 Second destination row, double length in pixels. */ -void scale2x_16_mmx(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count) -{ +void scale2x_16_mmx(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count) { if (count % 4 != 0 || count < 8) { scale2x_16_def(dst0, dst1, src0, src1, src2, count); } else { @@ -493,16 +480,15 @@ void scale2x_16_mmx(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_ui /** * Scale by a factor of 2 a row of pixels of 32 bits. * This function operates like scale2x_8_mmx() but for 32 bits pixels. - * \param src0 Pointer at the first pixel of the previous row. - * \param src1 Pointer at the first pixel of the current row. - * \param src2 Pointer at the first pixel of the next row. - * \param count Length in pixels of the src0, src1 and src2 rows. It must + * @param src0 Pointer at the first pixel of the previous row. + * @param src1 Pointer at the first pixel of the current row. + * @param src2 Pointer at the first pixel of the next row. + * @param count Length in pixels of the src0, src1 and src2 rows. It must * be at least 4 and a multiple of 2. - * \param dst0 First destination row, double length in pixels. - * \param dst1 Second destination row, double length in pixels. + * @param dst0 First destination row, double length in pixels. + * @param dst1 Second destination row, double length in pixels. */ -void scale2x_32_mmx(scale2x_uint32* dst0, scale2x_uint32* dst1, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count) -{ +void scale2x_32_mmx(scale2x_uint32* dst0, scale2x_uint32* dst1, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count) { if (count % 2 != 0 || count < 4) { scale2x_32_def(dst0, dst1, src0, src1, src2, count); } else { |