diff options
Diffstat (limited to 'src/extras/shaders/leedsVehicle_mobile_PS.hlsl')
-rw-r--r-- | src/extras/shaders/leedsVehicle_mobile_PS.hlsl | 53 |
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; +} |