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(SoftFilters) Simplify Super2xSaI code for interpolation/getresult functions- and add 32bpp routines - broken colors for 32bpp

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This commit is contained in:
twinaphex 2014-04-17 11:57:17 +02:00
parent cfb9cbdbd1
commit 08ab8a122f
1 changed files with 67 additions and 58 deletions
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125
gfx/filters/super2xsai.c
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@ -26,7 +26,7 @@
static unsigned supertwoxsai_generic_input_fmts(void)
{
return SOFTFILTER_FMT_RGB565;
return SOFTFILTER_FMT_RGB565 | SOFTFILTER_FMT_XRGB8888;
}
static unsigned supertwoxsai_generic_output_fmts(unsigned input_fmts)
@ -74,75 +74,36 @@ static void supertwoxsai_generic_destroy(void *data)
free(filt);
}
#ifndef result1_body
#define result1_body(A, B, C, D, x, y) \
if (A == C) \
x += 1; \
else if (B == C) \
y += 1; \
if (A == D) \
x += 1; \
else if (B == D) \
y += 1; \
if (x <= 1) \
r += 1; \
if (y <= 1) \
r -= 1
#endif
#ifndef interpolate_body
#define interpolate_body(A, B, r, pack_color) \
A |= (A << 16); /* unpack */ \
A &= pack_color; \
B |= (B << 16); \
B &= pack_color; \
r = (A + B) >> 1; /* mix */ \
r &= pack_color /* repack */
#endif
#ifndef interpolate2_body
#define interpolate2_body(A, B, C, D, r, pack_color) \
A |= (A << 16); /* unpack */ \
A &= pack_color; \
B |= (B << 16); \
B &= pack_color; \
C |= (C << 16); \
C &= pack_color; \
D |= (D << 16); \
D &= pack_color; \
r = (A + B + C + D) >> 2; /* mix */ \
r &= pack_color /* repack */
#endif
static inline uint16_t supertwoxsai_interpolate_rgb565(uint32_t A, uint32_t B)
{
uint32_t r;
interpolate_body(A, B, r, 0x7e0f81f);
return (r | (r >> 16));
return (((A & 0xF7DE) >> 1) + ((B & 0xF7DE) >> 1) + (A & B & 0x0821));
}
static inline uint32_t supertwoxsai_interpolate_xrgb8888(uint32_t A, uint32_t B)
{
return (((A & 0xFEFEFEFE) >> 1) + ((B & 0xFEFEFEFE) >> 1) + (A & B & 0x01010101));
}
static inline uint32_t supertwoxsai_interpolate2_xrgb8888(uint32_t A, uint32_t B, uint32_t C, uint32_t D)
{
return (((A & 0xFCFCFCFC) >> 2) + ((B & 0xFCFCFCFC) >> 2) + ((C & 0xFCFCFCFC) >> 2) + ((D & 0xFCFCFCFC) >> 2)
+ ((((A & 0x03030303) + (B & 0x03030303) + (C & 0x03030303) + (D & 0x03030303)) >> 2) & 0x03030303));
}
static inline uint16_t supertwoxsai_interpolate2_rgb565(uint32_t A, uint32_t B, uint32_t C, uint32_t D)
{
uint32_t r;
interpolate2_body(A, B, C, D, r, 0x7e0f81f);
return (r | (r >> 16));
return (((A & 0xE79C) >> 2) + ((B & 0xE79C) >> 2) + ((C & 0xE79C) >> 2) + ((D & 0xE79C) >> 2)
+ ((((A & 0x1863) + (B & 0x1863) + (C & 0x1863) + (D & 0x1863)) >> 2) & 0x1863));
}
static inline int supertwoxsai_result1_rgb565(uint16_t A, uint16_t B, uint16_t C, uint16_t D)
{
int x, y, r;
x = 0;
y = 0;
r = 0;
return ((A != C || A != D) - (B != C || B != D));
}
result1_body(A, B, C, D, x, y);
return r;
static inline int supertwoxsai_result1_xrgb8888(uint32_t A, uint32_t B, uint32_t C, uint32_t D)
{
return ((A != C || A != D) - (B != C || B != D));
}
static void supertwoxsai_write2_rgb565(uint16_t *out, uint16_t val0, uint16_t val1)
@ -150,6 +111,11 @@ static void supertwoxsai_write2_rgb565(uint16_t *out, uint16_t val0, uint16_t va
*((uint32_t*)out) = ((uint32_t)(val0) | ((uint32_t)(val1) << 16));
}
static void supertwoxsai_write2_xrgb8888(uint32_t *out, uint32_t val0, uint32_t val1)
{
*(out) = val0 | val1;
}
#ifndef supertwoxsai_declare_variables
#define supertwoxsai_declare_variables(typename_t, in, nextline) \
typename_t product1a, product1b, product2a, product2b; \
@ -224,6 +190,35 @@ static void supertwoxsai_write2_rgb565(uint16_t *out, uint16_t val0, uint16_t va
out += 2
#endif
static void supertwoxsai_generic_xrgb8888(unsigned width, unsigned height,
int first, int last, uint32_t *src,
unsigned src_stride, uint32_t *dst, unsigned dst_stride)
{
const unsigned nextline = (last) ? 0 : src_stride;
for (; height; height--)
{
uint32_t *in = (uint32_t*)src;
uint32_t *out = (uint32_t*)dst;
for (unsigned finish = width; finish; finish -= 1)
{
supertwoxsai_declare_variables(uint32_t, in, nextline);
//--------------------------- B1 B2
// 4 5 6 S2
// 1 2 3 S1
// A1 A2
//--------------------------------------
supertwoxsai_function(supertwoxsai_result1_xrgb8888, supertwoxsai_interpolate_xrgb8888, supertwoxsai_interpolate2_xrgb8888, supertwoxsai_write2_xrgb8888);
}
src += src_stride;
dst += 2 * dst_stride;
}
}
static void supertwoxsai_generic_rgb565(unsigned width, unsigned height,
int first, int last, uint16_t *src,
unsigned src_stride, uint16_t *dst, unsigned dst_stride)
@ -265,6 +260,18 @@ static void supertwoxsai_work_cb_rgb565(void *data, void *thread_data)
thr->first, thr->last, input, thr->in_pitch / SOFTFILTER_BPP_RGB565, output, thr->out_pitch / SOFTFILTER_BPP_RGB565);
}
static void supertwoxsai_work_cb_xrgb8888(void *data, void *thread_data)
{
struct softfilter_thread_data *thr = (struct softfilter_thread_data*)thread_data;
uint32_t *input = (uint32_t*)thr->in_data;
uint32_t *output = (uint32_t*)thr->out_data;
unsigned width = thr->width;
unsigned height = thr->height;
supertwoxsai_generic_xrgb8888(width, height,
thr->first, thr->last, input, thr->in_pitch / SOFTFILTER_BPP_XRGB8888, output, thr->out_pitch / SOFTFILTER_BPP_XRGB8888);
}
static void supertwoxsai_generic_packets(void *data,
struct softfilter_work_packet *packets,
void *output, size_t output_stride,
@ -291,6 +298,8 @@ static void supertwoxsai_generic_packets(void *data,
if (filt->in_fmt == SOFTFILTER_FMT_RGB565)
packets[i].work = supertwoxsai_work_cb_rgb565;
else if (filt->in_fmt == SOFTFILTER_FMT_XRGB8888)
packets[i].work = supertwoxsai_work_cb_xrgb8888;
packets[i].thread_data = thr;
}
}