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improve sw renderer

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asrael 2026-01-21 23:19:50 -06:00
parent 415d424057
commit 39ee0fefb7
89 changed files with 9380 additions and 2307 deletions
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26
src/gfx/pxl8_atlas.h
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@ -8,28 +8,42 @@ typedef struct pxl8_atlas_entry {
bool active;
u32 texture_id;
i32 x, y, w, h;
u32 tiled_base;
u8 log2_w;
} pxl8_atlas_entry;
static inline u32 pxl8_tile_addr(u32 u, u32 v, u8 log2_w) {
u32 tile_y = v >> 3;
u32 tile_x = u >> 3;
u32 local_y = v & 7;
u32 local_x = u & 7;
return (tile_y << (log2_w + 3)) | (tile_x << 6) | (local_y << 3) | local_x;
}
static inline u8 pxl8_log2(u32 v) {
u8 r = 0;
while (v >>= 1) r++;
return r;
}
#ifdef __cplusplus
extern "C" {
#endif
u32 pxl8_atlas_add_texture(pxl8_atlas* atlas, const u8* pixels, u32 w, u32 h, pxl8_pixel_mode pixel_mode);
void pxl8_atlas_clear(pxl8_atlas* atlas, u32 preserve_count);
pxl8_atlas* pxl8_atlas_create(u32 width, u32 height, pxl8_pixel_mode pixel_mode);
void pxl8_atlas_destroy(pxl8_atlas* atlas);
bool pxl8_atlas_expand(pxl8_atlas* atlas, pxl8_pixel_mode pixel_mode);
const pxl8_atlas_entry* pxl8_atlas_get_entry(const pxl8_atlas* atlas, u32 id);
u32 pxl8_atlas_get_entry_count(const pxl8_atlas* atlas);
u32 pxl8_atlas_get_height(const pxl8_atlas* atlas);
const u8* pxl8_atlas_get_pixels(const pxl8_atlas* atlas);
const u8* pxl8_atlas_get_pixels_tiled(const pxl8_atlas* atlas);
u32 pxl8_atlas_get_width(const pxl8_atlas* atlas);
bool pxl8_atlas_is_dirty(const pxl8_atlas* atlas);
void pxl8_atlas_mark_clean(pxl8_atlas* atlas);
u32 pxl8_atlas_add_texture(pxl8_atlas* atlas, const u8* pixels, u32 w, u32 h, pxl8_pixel_mode pixel_mode);
void pxl8_atlas_clear(pxl8_atlas* atlas, u32 preserve_count);
bool pxl8_atlas_expand(pxl8_atlas* atlas, pxl8_pixel_mode pixel_mode);
#ifdef __cplusplus
}
#endif