1 files changed, 30 insertions, 0 deletions
diff --git a/src/demos/hdr/shaders/cg/object.cg b/src/demos/hdr/shaders/cg/object.cg
new file mode 100755
index 0000000..a242bc6
--- /dev/null
+++ b/src/demos/hdr/shaders/cg/object.cg
@@ -0,0 +1,30 @@
+// 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 : TEXUNIT0) : 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(envMap, R).rgb; // lookup reflection in HDR cube map
+//    half3 Crefract = texCUBE(envMap, T).rgb; // refraction
+
+//    half3 Cout = lerp(Crefract, Creflect, fresnel);
+//    return half4(Cout, fresnel*0.5 + 0.5);
+
+    return half4(Creflect * fresnel, 1.0);
+}