42 lines
1.5 KiB
Plaintext
42 lines
1.5 KiB
Plaintext
shader_type spatial;
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render_mode blend_mix,depth_draw_opaque,cull_disabled,diffuse_burley,specular_schlick_ggx;
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uniform vec4 albedo : source_color;
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uniform sampler2D texture_albedo : source_color;
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uniform sampler2D ao_texture : source_color;
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uniform vec4 ao_texture_channel;
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uniform sampler2D roughness_texture : source_color;
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uniform vec4 roughness_texture_channel;
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uniform sampler2D metallic_texture : source_color;
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uniform vec4 metallic_texture_channel;
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uniform bool use_alpha_texture = false;
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uniform float roughness : hint_range(0,1) = 1.0;
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uniform float metallic : hint_range(0,1) = 0.0;
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uniform float alpha_scissor_threshold : hint_range(0,1);
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uniform bool use_ao_texture = false;
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uniform bool use_roughness_texture = false;
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uniform bool use_metallic_texture = false;
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uniform vec3 uv1_scale;
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uniform vec3 uv1_offset;
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void vertex() {
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UV=UV*uv1_scale.xy+uv1_offset.xy;
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}
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void fragment() {
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vec2 base_uv = UV;
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vec4 albedo_tex = texture(texture_albedo,base_uv);
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float ao_tex = mix(1.0, dot(texture(ao_texture,base_uv), ao_texture_channel), float(use_ao_texture));
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float rougness_tex = mix(1.0,dot(texture(roughness_texture,base_uv), roughness_texture_channel), float(use_roughness_texture));
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float metallic_tex = mix(1.0,dot(texture(metallic_texture,base_uv), metallic_texture_channel), float(use_metallic_texture));
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ALBEDO = vec3(ao_tex, rougness_tex * roughness, metallic_tex * metallic);
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if(use_alpha_texture)
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{
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ALPHA = albedo_tex.a;
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ALPHA_SCISSOR_THRESHOLD = alpha_scissor_threshold;
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}
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}
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