diff options
Diffstat (limited to 'src/demos/hdr/shaders/cg/object_hilo.cg')
-rwxr-xr-x | src/demos/hdr/shaders/cg/object_hilo.cg | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/demos/hdr/shaders/cg/object_hilo.cg b/src/demos/hdr/shaders/cg/object_hilo.cg new file mode 100755 index 0000000..88a3348 --- /dev/null +++ b/src/demos/hdr/shaders/cg/object_hilo.cg @@ -0,0 +1,31 @@ +// object shader + +#include "hdr.cg" + +struct v2f +{ + float4 HPosition : POSITION; + float4 P : TEXCOORD0; // position + float3 N : TEXCOORD1; // normal + float3 I : TEXCOORD2; // incident vector +}; + +half4 main(v2f In, + uniform samplerCUBE envMap_rg : TEXUNIT0, + uniform samplerCUBE envMap_b : TEXUNIT1) : COLOR +{ + half3 I = normalize(half3(In.I)); + half3 N = normalize(half3(In.N)); + + half3 R = reflect(I, N); +// half3 T = refract(I, N, 0.9); + half fresnel = my_fresnel(-I, N, 5.0, 0.98, 0.02); + + half3 Creflect = texCUBE_hilo(envMap_rg, envMap_b, R).rgb; // lookup reflection in HDR cube map +// half3 Crefract = texCUBE_hilo(envMap_rg, envMap_b, T).rgb; // refraction + +// half3 Cout = lerp(Crefract, Creflect, fresnel); +// return half4(Cout, 1.0); + + return half4(Creflect * fresnel, 1.0); +} |