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#include "common.h"
/*uniforms*/
#define object2world UM4(0)
#define light UV3(0)
#define maintex UTEX(0)
/*varyings*/
#define rough reg_num_00
static void vert(UniformCollection* uniforms, VertexShaderIn* in, Vec4* clipcoord) {
static Vec4 p; p.xyz = in->vertex->position; p.w = 1;
mat4_applytovec4(uniforms->mvp, &p, clipcoord);
Vec4 normal = {
in->vertex->normal.x,
in->vertex->normal.y,
in->vertex->normal.z,
1
};
Vec4 worldnormal; mat4_applytovec4(object2world, &normal, &worldnormal);
vec3_normalize(light, light);
*reg_num_00 = 1 - vec3_dot(&worldnormal, light);
}
static bool frag(UniformCollection* uniforms, FragmentShaderIn* in, Color32* color) {
vec3_normalize(light, light);
vec3_normalize(&in->normal, &in->normal);
//float rough = 1- vec3_dot(&in->normal, light);
float roughness = *reg_num_00;
Color32 c = tex2d(maintex, in->texcoord);
//vec3_scale(&c, roughness, &c);
//color32_saturate(&c);
*color = c;
return 1;
}
Program ssr_built_in_shader_unlit = {
vert, frag,
VARYING_TEXCOORD |
VARYING_NORMAL |
VARYING_NUM_00
};
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