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only support indexed color mode, get rid of enum/branching on color modes

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asrael 2026-02-27 15:53:25 -06:00
parent 9f657ffcf9
commit e0a5d34d29
25 changed files with 142 additions and 286 deletions
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24
src/gfx/pxl8_color.h
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@ -2,10 +2,6 @@
#include "pxl8_types.h"
static inline i32 pxl8_bytes_per_pixel(pxl8_pixel_mode mode) {
return (i32)mode;
}
static inline u32 pxl8_color_from_rgba(u32 rgba) {
u8 r = (rgba >> 24) & 0xFF;
u8 g = (rgba >> 16) & 0xFF;
@ -76,30 +72,10 @@ static inline void pxl8_rgb332_unpack(u8 c, u8* r, u8* g, u8* b) {
*b = (bi << 6) | (bi << 4) | (bi << 2) | bi;
}
static inline u16 pxl8_rgb565_pack(u8 r, u8 g, u8 b) {
return ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
}
static inline void pxl8_rgb565_unpack(u16 color, u8* r, u8* g, u8* b) {
*r = (color >> 11) << 3;
*g = ((color >> 5) & 0x3F) << 2;
*b = (color & 0x1F) << 3;
}
static inline u32 pxl8_rgb565_to_rgba32(u16 color) {
u8 r, g, b;
pxl8_rgb565_unpack(color, &r, &g, &b);
return r | ((u32)g << 8) | ((u32)b << 16) | 0xFF000000;
}
static inline u32 pxl8_rgba32_pack(u8 r, u8 g, u8 b, u8 a) {
return r | ((u32)g << 8) | ((u32)b << 16) | ((u32)a << 24);
}
static inline u16 pxl8_rgba32_to_rgb565(u32 rgba) {
return pxl8_rgb565_pack(rgba & 0xFF, (rgba >> 8) & 0xFF, (rgba >> 16) & 0xFF);
}
static inline void pxl8_rgba32_unpack(u32 color, u8* r, u8* g, u8* b, u8* a) {
*r = color & 0xFF;
*g = (color >> 8) & 0xFF;