82 lines
1.5 KiB
C
82 lines
1.5 KiB
C
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#pragma once
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#include "pxl8_lights.h"
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#include "pxl8_math.h"
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#include "pxl8_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct pxl8_vertex_in {
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pxl8_vec3 a_position;
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pxl8_vec3 a_normal;
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pxl8_vec2 a_uv;
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u8 a_color;
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u8 a_light;
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} pxl8_vertex_in;
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typedef struct pxl8_vertex_out {
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pxl8_vec4 gl_Position;
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pxl8_vec2 v_uv;
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pxl8_vec3 v_world;
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pxl8_vec3 v_normal;
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f32 v_light;
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f32 v_depth;
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} pxl8_vertex_out;
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typedef struct pxl8_shader_uniforms {
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u8 ambient;
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bool baked_lighting;
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pxl8_vec3 celestial_dir;
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f32 celestial_intensity;
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bool dither;
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bool dynamic_lighting;
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bool emissive;
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u8 fog_color;
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f32 fog_density;
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const pxl8_light* lights;
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u32 lights_count;
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bool textures;
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f32 time;
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} pxl8_shader_uniforms;
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typedef struct pxl8_shader_bindings {
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const u8* colormap;
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const u32* palette;
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const u8* atlas;
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u32 width, height;
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bool use_tiled;
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union {
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struct {
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u32 stride;
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u32 x, y;
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} linear;
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struct {
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u32 base;
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u8 log2_w;
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} tiled;
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};
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} pxl8_shader_bindings;
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typedef struct pxl8_shader_ctx {
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i32 x, y;
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pxl8_vec2 v_uv;
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pxl8_vec3 v_world;
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pxl8_vec3 v_normal;
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f32 v_color;
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f32 v_light;
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f32 v_depth;
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u32 out_light_color;
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} pxl8_shader_ctx;
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typedef u8 (*pxl8_shader_fn)(
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pxl8_shader_ctx* ctx,
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const pxl8_shader_bindings* bindings,
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const pxl8_shader_uniforms* uniforms
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);
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#ifdef __cplusplus
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}
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#endif
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