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(SoftFilter) Add Super2xSaI filter (RGB565 only for now)

This commit is contained in:
twinaphex 2014-04-16 21:15:02 +02:00
parent 2b3624a864
commit e693e93b57
6 changed files with 11 additions and 5 deletions
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2
gfx/filter.c
View File

@ -97,6 +97,8 @@ static softfilter_get_implementation_t softfilter_get_implementation_from_idx(un
return darken_get_implementation;
case SOFTFILTER_TWOXSAI:
return twoxsai_get_implementation;
case SOFTFILTER_SUPERTWOXSAI:
return supertwoxsai_get_implementation;
case SOFTFILTER_HQ2X:
return hq2x_get_implementation;
case SOFTFILTER_SCALE2X:

2
gfx/filter.h
View File

@ -53,6 +53,7 @@ enum
SOFTFILTER_DARKEN,
SOFTFILTER_HQ2X,
SOFTFILTER_TWOXSAI,
SOFTFILTER_SUPERTWOXSAI,
SOFTFILTER_SCALE2X,
SOFTFILTER_LAST,
};
@ -60,6 +61,7 @@ enum
#ifdef HAVE_FILTERS_BUILTIN
const struct softfilter_implementation *hq2x_get_implementation(softfilter_simd_mask_t simd);
const struct softfilter_implementation *twoxsai_get_implementation(softfilter_simd_mask_t simd);
const struct softfilter_implementation *supertwoxsai_get_implementation(softfilter_simd_mask_t simd);
const struct softfilter_implementation *twoxbr_get_implementation(softfilter_simd_mask_t simd);
const struct softfilter_implementation *darken_get_implementation(softfilter_simd_mask_t simd);
const struct softfilter_implementation *scale2x_get_implementation(softfilter_simd_mask_t simd);

7
gfx/filters/2xsai.c
View File

@ -152,9 +152,8 @@ static inline int result2_rgb565(uint16_t A, uint16_t B, uint16_t C, uint16_t D)
return r;
}
static void write2_rgb565(uint16_t *out, uint16_t val0, uint16_t val1)
static void twoxsai_write2_rgb565(uint16_t *out, uint16_t val0, uint16_t val1)
{
/* TODO: swap this for big endian */
*((uint32_t*)out) = ((uint32_t)(val0) | ((uint32_t)(val1) << 16));
}
@ -286,8 +285,8 @@ static void twoxsai_generic_rgb565(unsigned width, unsigned height,
product1 = interpolate_rgb565(colorA, colorC);
}
write2_rgb565(out, colorA, product);
write2_rgb565(out + dst_stride, product1, product2);
twoxsai_write2_rgb565(out, colorA, product);
twoxsai_write2_rgb565(out + dst_stride, product1, product2);
++in;
out += 2;

2
gfx/filters/Makefile
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@ -38,7 +38,7 @@ ASMFLAGS := -INEON/asm
asflags += -mfpu=neon
endif
objects += 2xsai.so 2xbr.so darken.so hq2x.so scale2x.so
objects += 2xsai.so super2xsai.so 2xbr.so darken.so hq2x.so scale2x.so
all: build;

2
gfx/filters/hq2x.c
View File

@ -219,6 +219,8 @@ static uint16_t blend(unsigned colfmt, unsigned rule, uint16_t E, uint16_t A,
{
unsigned shift;
uint32_t mask;
mask = 0;
switch (colfmt)
{
case SOFTFILTER_FMT_RGB565:

1
griffin/griffin.c
View File

@ -478,6 +478,7 @@ FILTERS
#ifdef HAVE_FILTERS_BUILTIN
#include "../gfx/filters/2xsai.c"
#include "../gfx/filters/super2xsai.c"
#include "../gfx/filters/2xbr.c"
#include "../gfx/filters/darken.c"
#include "../gfx/filters/hq2x.c"