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(SoftFilters) 2xBR - big-endian code fixes for XRGB8888 codepath

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twinaphex 2014-04-19 01:56:42 +02:00
parent b3c44061b2
commit 71cdc3b6ba
1 changed files with 32 additions and 13 deletions
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45
gfx/filters/2xbr.c
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@ -103,17 +103,24 @@ const static uint16_t tbl_6_to_8[64]={0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40,
//---------------------------------------------------------------------------------------------------------------------------
#define RED_MASK565 0xF800
#define GREEN_MASK565 0x07E0
#define BLUE_MASK565 0x001F
#define PG_LBMASK565 0xF7DE
#define RED_MASK565 0xF800
#define GREEN_MASK565 0x07E0
#define BLUE_MASK565 0x001F
#define PG_LBMASK565 0xF7DE
#define RED_MASK8888 0x000000FF
#define GREEN_MASK8888 0x0000FF00
#define BLUE_MASK8888 0x00FF0000
#define PG_LBMASK8888 0xFEFEFEFE
#define ALPHA_MASK8888 0xFF000000
#ifdef MSB_FIRST
#define RED_MASK8888 0xFF000000
#define GREEN_MASK8888 0x00FF0000
#define BLUE_MASK8888 0x0000FF00
#define PG_LBMASK8888 0xFEFEFEFE
#define ALPHA_MASK8888 0x000000FF
#else
#define RED_MASK8888 0x000000FF
#define GREEN_MASK8888 0x0000FF00
#define BLUE_MASK8888 0x00FF0000
#define PG_LBMASK8888 0xFEFEFEFE
#define ALPHA_MASK8888 0xFF000000
#endif
#define ALPHA_BLEND_128_W(dst, src) dst = ((src & pg_lbmask) >> 1) + ((dst & pg_lbmask) >> 1)
@ -272,9 +279,15 @@ float df8(uint32_t A, uint32_t B, uint32_t pg_red_mask, uint32_t pg_green_mask,
uint32_t r, g, b;
uint32_t y, u, v;
#ifdef MSB_FIRST
r = abs((int)(((A & pg_red_mask )>>24) - ((B & pg_red_mask )>> 24)));
g = abs((int)(((A & pg_green_mask )>>16) - ((B & pg_green_mask )>> 16)));
b = abs((int)(((A & pg_blue_mask )>>8 ) - ((B & pg_blue_mask )>> 8 )));
#else
b = abs((int)(((A & pg_blue_mask )>>16) - ((B & pg_blue_mask )>> 16)));
g = abs((int)(((A & pg_green_mask)>>8 ) - ((B & pg_green_mask )>> 8)));
r = abs((int)(((A & pg_red_mask ) - (B & pg_red_mask ))));
#endif
y = abs(0.299*r + 0.587*g + 0.114*b);
u = abs(-0.169*r - 0.331*g + 0.500*b);
@ -288,9 +301,15 @@ int eq8(uint32_t A, uint32_t B, uint32_t pg_red_mask, uint32_t pg_green_mask, ui
uint32_t r, g, b;
uint32_t y, u, v;
b = abs((int)(((A & pg_blue_mask )>>16) - ((B & pg_blue_mask )>> 16)));
g = abs((int)(((A & pg_green_mask)>>8 ) - ((B & pg_green_mask )>> 8)));
r = abs((int)(( A & pg_red_mask ) - ( B & pg_red_mask )));
#ifdef MSB_FIRST
r = abs((int)(((A & pg_red_mask )>>24) - ((B & pg_red_mask )>> 24)));
g = abs((int)(((A & pg_green_mask )>>16) - ((B & pg_green_mask )>> 16)));
b = abs((int)(((A & pg_blue_mask )>>8 ) - ((B & pg_blue_mask )>> 8 )));
#else
b = abs((int)(((A & pg_blue_mask )>>16) - ((B & pg_blue_mask )>> 16)));
g = abs((int)(((A & pg_green_mask)>>8 ) - ((B & pg_green_mask )>> 8)));
r = abs((int)(((A & pg_red_mask ) - (B & pg_red_mask ))));
#endif
y = abs(0.299*r + 0.587*g + 0.114*b);
u = abs(-0.169*r - 0.331*g + 0.500*b);