61 lines
1.6 KiB
Plaintext
61 lines
1.6 KiB
Plaintext
[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://ck8h6dvojuegj"]
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[sub_resource type="Shader" id="Shader_eumy4"]
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code = "shader_type spatial;
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render_mode blend_mix,depth_draw_opaque,cull_back,unshaded;
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uniform sampler2D texture_albedo : filter_linear_mipmap_anisotropic,repeat_enable;
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uniform sampler2DArray lightmap_albedo : filter_linear_mipmap_anisotropic,repeat_enable;
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uniform bool lightmap_2x;
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uniform ivec2 lightmap_bitmask;
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float srgb_to_linear_e(float input) {
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float output;
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if (input <= 0.04045) {
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output = input / 12.92;
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}
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else {
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output = pow((input + 0.055) / 1.055, 2.4);
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}
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return output;
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}
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vec3 srgb_to_linear(vec3 input) {
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vec3 output;
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output.r = srgb_to_linear_e(input.r);
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output.g = srgb_to_linear_e(input.g);
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output.b = srgb_to_linear_e(input.b);
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return output;
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}
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void fragment() {
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vec4 albedo_tex = texture(texture_albedo,UV);
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if (lightmap_bitmask.x == 0 && lightmap_bitmask.y == 0) {
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ALBEDO = srgb_to_linear(albedo_tex.rgb);
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} else {
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vec4 lightmap_tex = vec4(0.0);
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int mask = lightmap_bitmask.x;
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for (int i = 0; i < 33; i++) {
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if (i == 32) {
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mask = lightmap_bitmask.y;
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}
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bool layer_enabled = (mask & (1 << (i % 32))) != 0;
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if (layer_enabled) {
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lightmap_tex += texture(lightmap_albedo, vec3(UV2, float(i)));
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}
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}
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lightmap_tex = min(vec4(1.0), lightmap_tex);
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if (lightmap_2x) {
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lightmap_tex *= 2.0f;
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}
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ALBEDO = srgb_to_linear((albedo_tex * lightmap_tex).rgb);
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}
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}
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"
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[resource]
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render_priority = 0
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shader = SubResource("Shader_eumy4")
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shader_parameter/lightmap_2x = null
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shader_parameter/lightmap_bitmask = null
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