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Diffstat (limited to 'src/extras/shaders/leedsVehicle_mobile_PS.hlsl')
-rw-r--r--src/extras/shaders/leedsVehicle_mobile_PS.hlsl53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/extras/shaders/leedsVehicle_mobile_PS.hlsl b/src/extras/shaders/leedsVehicle_mobile_PS.hlsl
new file mode 100644
index 00000000..a343b32f
--- /dev/null
+++ b/src/extras/shaders/leedsVehicle_mobile_PS.hlsl
@@ -0,0 +1,53 @@
+struct VS_out {
+ float4 Position : POSITION;
+ float3 TexCoord0 : TEXCOORD0;
+ float2 TexCoord1 : TEXCOORD1;
+ float2 ReflData : TEXCOORD2;
+ float4 Color : COLOR0;
+};
+
+#define NdotV (input.ReflData.x)
+#define lightingCont (input.ReflData.y)
+
+sampler2D diffTex : register(s0);
+sampler2D envTex : register(s1);
+
+float4 fogColor : register(c0);
+
+float4 fxparams : register(c2);
+float3 skyTop : register(c3);
+float3 skyBot : register(c4);
+
+#define shininess (fxparams.x)
+
+#define power (4.0)
+
+#define preMult (1.0)
+#define postMult (1.0)
+#define minRefl (0.25)
+#define maxRefl (3.0)
+#define minOpacity (1.0)
+#define maxOpacity (1.0)
+
+
+float4 main(VS_out input) : COLOR
+{
+ float4 pass1 = input.Color*tex2D(diffTex, input.TexCoord0.xy);
+
+ float3 envtex = tex2D(envTex, float2(input.TexCoord1.x, 1.0-input.TexCoord1.y)).rgb; // V flipped
+ float3 skyColour = lerp(skyBot, skyTop, envtex.g);
+ float3 envOut = lerp(envtex.rrr, skyColour, envtex.b);
+
+ float fresnel = lerp(shininess, shininess * 2.0, NdotV);
+ fresnel = pow(NdotV * preMult, power);
+ fresnel = clamp(fresnel * postMult, 0.0, 1.0);
+ float reflectivity = lightingCont * lerp(minRefl, maxRefl, fresnel)*shininess;
+
+ float opacity = lerp(minOpacity, maxOpacity, fresnel)*pass1.a;
+ float4 color = pass1 + float4(reflectivity * envOut, 0.0);
+ color.a = opacity;
+
+ color.rgb = lerp(fogColor.rgb, color.rgb, input.TexCoord0.z);
+
+ return color;
+}