1 files changed, 62 insertions, 0 deletions
diff --git a/reference/shaders/frag/ground.frag b/reference/shaders/frag/ground.frag
new file mode 100644
index 00000000..44f51851
--- /dev/null
+++ b/reference/shaders/frag/ground.frag
@@ -0,0 +1,62 @@
+#version 310 es
+precision mediump float;
+precision highp int;
+
+layout(binding = 4, std140) uniform GlobalPSData
+{
+    vec4 g_CamPos;
+    vec4 g_SunDir;
+    vec4 g_SunColor;
+    vec4 g_ResolutionParams;
+    vec4 g_TimeParams;
+    vec4 g_FogColor_Distance;
+} _56;
+
+layout(binding = 2) uniform mediump sampler2D TexNormalmap;
+
+layout(location = 3) out vec4 LightingOut;
+layout(location = 2) out vec4 NormalOut;
+layout(location = 1) out vec4 SpecularOut;
+layout(location = 0) out vec4 AlbedoOut;
+layout(location = 0) in vec2 TexCoord;
+layout(location = 1) in vec3 EyeVec;
+
+float saturate(float x)
+{
+    return clamp(x, 0.000000, 1.000000);
+}
+
+void Resolve(vec3 Albedo, vec3 Normal, float Roughness, float Metallic)
+{
+    LightingOut = vec4(0.000000);
+    NormalOut = vec4(((Normal * 0.500000) + vec3(0.500000)), 0.000000);
+    SpecularOut = vec4(Roughness, Metallic, 0.000000, 0.000000);
+    AlbedoOut = vec4(Albedo, 1.000000);
+}
+
+void main()
+{
+    vec3 Normal = ((texture(TexNormalmap, TexCoord).xyz * 2.000000) - vec3(1.000000));
+    Normal = normalize(Normal);
+    highp float param = (length(EyeVec) / 1000.000000);
+    vec2 scatter_uv;
+    scatter_uv.x = saturate(param);
+    vec3 nEye = normalize(EyeVec);
+    scatter_uv.y = 0.000000;
+    vec3 Color = vec3(0.100000, 0.300000, 0.100000);
+    vec3 grass = vec3(0.100000, 0.300000, 0.100000);
+    vec3 dirt = vec3(0.100000);
+    vec3 snow = vec3(0.800000);
+    float grass_snow = smoothstep(0.000000, 0.150000, ((_56.g_CamPos.y + EyeVec.y) / 200.000000));
+    vec3 base = mix(grass, snow, vec3(grass_snow));
+    float edge = smoothstep(0.700000, 0.750000, Normal.y);
+    Color = mix(dirt, base, vec3(edge));
+    Color = (Color * Color);
+    float Roughness = (1.000000 - (edge * grass_snow));
+    highp vec3 param_1 = Color;
+    highp vec3 param_2 = Normal;
+    highp float param_3 = Roughness;
+    highp float param_4 = 0.000000;
+    Resolve(param_1, param_2, param_3, param_4);
+}
+