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better lighting

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This commit is contained in:
asrael 2026-01-31 09:31:17 -06:00
parent 805a2713a3
commit 6ed4e17065
75 changed files with 6417 additions and 3667 deletions
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38
src/gfx/pxl8_gfx.c
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@ -27,6 +27,7 @@ typedef struct pxl8_sprite_cache_entry {
struct pxl8_gfx {
pxl8_atlas* atlas;
pxl8_gfx_backend backend;
const pxl8_bsp* bsp;
pxl8_colormap* colormap;
u8* framebuffer;
i32 framebuffer_height;
@ -38,6 +39,7 @@ struct pxl8_gfx {
pxl8_palette_cube* palette_cube;
pxl8_pixel_mode pixel_mode;
void* platform_data;
const pxl8_sdf* sdf;
pxl8_sprite_cache_entry* sprite_cache;
u32 sprite_cache_capacity;
u32 sprite_cache_count;
@ -61,6 +63,9 @@ pxl8_pixel_mode pxl8_gfx_get_pixel_mode(pxl8_gfx* gfx) {
u8* pxl8_gfx_get_framebuffer_indexed(pxl8_gfx* gfx) {
if (!gfx || gfx->pixel_mode == PXL8_PIXEL_HICOLOR) return NULL;
if (gfx->backend.type == PXL8_GFX_BACKEND_CPU) {
return pxl8_cpu_get_framebuffer(gfx->backend.cpu);
}
return gfx->framebuffer;
}
@ -73,6 +78,27 @@ i32 pxl8_gfx_get_height(const pxl8_gfx* gfx) {
return gfx ? gfx->framebuffer_height : 0;
}
u32* pxl8_gfx_get_light_accum(pxl8_gfx* gfx) {
if (!gfx) return NULL;
if (gfx->backend.type == PXL8_GFX_BACKEND_CPU) {
return pxl8_cpu_get_light_accum(gfx->backend.cpu);
}
return NULL;
}
const u32* pxl8_gfx_palette_colors(pxl8_gfx* gfx) {
if (!gfx || !gfx->palette) return NULL;
return pxl8_palette_colors(gfx->palette);
}
u16* pxl8_gfx_get_zbuffer(pxl8_gfx* gfx) {
if (!gfx) return NULL;
if (gfx->backend.type == PXL8_GFX_BACKEND_CPU) {
return pxl8_cpu_get_zbuffer(gfx->backend.cpu);
}
return NULL;
}
i32 pxl8_gfx_get_width(const pxl8_gfx* gfx) {
return gfx ? gfx->framebuffer_width : 0;
}
@ -608,12 +634,24 @@ pxl8_3d_frame pxl8_3d_frame_from_camera(const pxl8_3d_camera* camera, const pxl8
return frame;
}
void pxl8_3d_set_bsp(pxl8_gfx* gfx, const pxl8_bsp* bsp) {
if (!gfx) return;
gfx->bsp = bsp;
}
void pxl8_3d_set_sdf(pxl8_gfx* gfx, const pxl8_sdf* sdf) {
if (!gfx) return;
gfx->sdf = sdf;
}
void pxl8_3d_begin_frame(pxl8_gfx* gfx, const pxl8_3d_camera* camera, const pxl8_lights* lights, const pxl8_3d_uniforms* uniforms) {
if (!gfx || !camera) return;
pxl8_3d_frame frame = pxl8_3d_frame_from_camera(camera, uniforms);
frame.bsp = gfx->bsp;
frame.lights = lights ? pxl8_lights_data(lights) : NULL;
frame.lights_count = lights ? pxl8_lights_count(lights) : 0;
frame.sdf = gfx->sdf;
pxl8_mat4 vp = pxl8_mat4_multiply(frame.projection, frame.view);