63 lines
2.0 KiB
GLSL
63 lines
2.0 KiB
GLSL
#version 310 es
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precision mediump float;
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precision highp int;
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layout(binding = 4, std140) uniform GlobalPSData
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{
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vec4 g_CamPos;
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vec4 g_SunDir;
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vec4 g_SunColor;
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vec4 g_ResolutionParams;
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vec4 g_TimeParams;
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vec4 g_FogColor_Distance;
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} _101;
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layout(binding = 2) uniform mediump sampler2D TexNormalmap;
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layout(location = 3) out vec4 LightingOut;
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layout(location = 2) out vec4 NormalOut;
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layout(location = 1) out vec4 SpecularOut;
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layout(location = 0) out vec4 AlbedoOut;
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layout(location = 0) in vec2 TexCoord;
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layout(location = 1) in vec3 EyeVec;
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float saturate(float x)
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{
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return clamp(x, 0.0, 1.0);
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}
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void Resolve(vec3 Albedo, vec3 Normal, float Roughness, float Metallic)
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{
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LightingOut = vec4(0.0);
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NormalOut = vec4((Normal * 0.5) + vec3(0.5), 0.0);
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SpecularOut = vec4(Roughness, Metallic, 0.0, 0.0);
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AlbedoOut = vec4(Albedo, 1.0);
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}
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void main()
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{
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vec3 Normal = (texture(TexNormalmap, TexCoord).xyz * 2.0) - vec3(1.0);
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Normal = normalize(Normal);
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highp float param = length(EyeVec) / 1000.0;
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vec2 scatter_uv;
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scatter_uv.x = saturate(param);
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vec3 nEye = normalize(EyeVec);
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scatter_uv.y = 0.0;
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vec3 Color = vec3(0.100000001490116119384765625, 0.300000011920928955078125, 0.100000001490116119384765625);
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vec3 grass = vec3(0.100000001490116119384765625, 0.300000011920928955078125, 0.100000001490116119384765625);
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vec3 dirt = vec3(0.100000001490116119384765625);
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vec3 snow = vec3(0.800000011920928955078125);
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float grass_snow = smoothstep(0.0, 0.1500000059604644775390625, (_101.g_CamPos.y + EyeVec.y) / 200.0);
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vec3 base = mix(grass, snow, vec3(grass_snow));
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float edge = smoothstep(0.699999988079071044921875, 0.75, Normal.y);
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Color = mix(dirt, base, vec3(edge));
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Color *= Color;
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float Roughness = 1.0 - (edge * grass_snow);
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highp vec3 param_1 = Color;
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highp vec3 param_2 = Normal;
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highp float param_3 = Roughness;
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highp float param_4 = 0.0;
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Resolve(param_1, param_2, param_3, param_4);
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}
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