16 files changed, 0 insertions, 587 deletions
diff --git a/src/demos/hdr/shaders/arbfp1/object.arbfp1 b/src/demos/hdr/shaders/arbfp1/object.arbfp1
deleted file mode 100755
index 30ee986..0000000
--- a/src/demos/hdr/shaders/arbfp1/object.arbfp1
+++ /dev/null
@@ -1,41 +0,0 @@
-!!ARBfp1.0
-# cgc version 1.3.0001, build date Aug  4 2004 10:01:10
-# command line args: -profile arbfp1
-# source file: ../cg/object.cg
-# source file: ../cg/hdr.cg
-#vendor NVIDIA Corporation
-#version 1.0.02
-#profile arbfp1
-#program main
-#semantic main.envMap : TEXUNIT0
-#var float4 In.HPosition :  :  : 0 : 0
-#var float4 In.P :  :  : 0 : 0
-#var float3 In.N : $vin.TEX1 : TEX1 : 0 : 1
-#var float3 In.I : $vin.TEX2 : TEX2 : 0 : 1
-#var samplerCUBE envMap : TEXUNIT0 : texunit 0 : 1 : 1
-#var half4 main : $vout.COL : COL : -1 : 1
-#const c[0] = 2 1 0 5
-#const c[1] = 0.9799805 0.02000427
-PARAM c[2] = { { 2, 1, 0, 5 },
-		{ 0.97998047, 0.020004272 } };
-TEMP R0;
-TEMP R1;
-DP3 R0.y, fragment.texcoord[2], fragment.texcoord[2];
-RSQ R0.w, R0.y;
-DP3 R0.x, fragment.texcoord[1], fragment.texcoord[1];
-RSQ R0.x, R0.x;
-MUL R1.xyz, R0.w, fragment.texcoord[2];
-MUL R0.xyz, R0.x, fragment.texcoord[1];
-DP3 R0.w, -R1, R0;
-ADD R0.w, -R0, c[0].y;
-DP3 R1.w, R0, R1;
-MAX R0.w, R0, c[0].z;
-MUL R0.xyz, R0, R1.w;
-POW R0.w, R0.w, c[0].w;
-MAD R0.xyz, -R0, c[0].x, R1;
-MAD R0.w, R0, c[1].x, c[1].y;
-TEX R0.xyz, R0, texture[0], CUBE;
-MUL result.color.xyz, R0, R0.w;
-MOV result.color.w, c[0].y;
-END
-# 17 instructions, 2 R-regs
diff --git a/src/demos/hdr/shaders/arbfp1/object_hilo.arbfp1 b/src/demos/hdr/shaders/arbfp1/object_hilo.arbfp1
deleted file mode 100755
index c6d5b55..0000000
--- a/src/demos/hdr/shaders/arbfp1/object_hilo.arbfp1
+++ /dev/null
@@ -1,45 +0,0 @@
-!!ARBfp1.0
-# cgc version 1.3.0001, build date Aug  4 2004 10:01:10
-# command line args: -profile arbfp1
-# source file: ../cg/object_hilo.cg
-# source file: ../cg/hdr.cg
-#vendor NVIDIA Corporation
-#version 1.0.02
-#profile arbfp1
-#program main
-#semantic main.envMap_rg : TEXUNIT0
-#semantic main.envMap_b : TEXUNIT1
-#var float4 In.HPosition :  :  : 0 : 0
-#var float4 In.P :  :  : 0 : 0
-#var float3 In.N : $vin.TEX1 : TEX1 : 0 : 1
-#var float3 In.I : $vin.TEX2 : TEX2 : 0 : 1
-#var samplerCUBE envMap_rg : TEXUNIT0 : texunit 0 : 1 : 1
-#var samplerCUBE envMap_b : TEXUNIT1 : texunit 1 : 2 : 1
-#var half4 main : $vout.COL : COL : -1 : 1
-#const c[0] = 2 1 0 5
-#const c[1] = 0.9799805 0.02000427
-PARAM c[2] = { { 2, 1, 0, 5 },
-		{ 0.97998047, 0.020004272 } };
-TEMP R0;
-TEMP R1;
-DP3 R0.y, fragment.texcoord[2], fragment.texcoord[2];
-RSQ R0.y, R0.y;
-DP3 R0.x, fragment.texcoord[1], fragment.texcoord[1];
-MUL R1.xyz, R0.y, fragment.texcoord[2];
-RSQ R0.x, R0.x;
-MUL R0.xyz, R0.x, fragment.texcoord[1];
-DP3 R0.w, -R1, R0;
-DP3 R1.w, R0, R1;
-MUL R0.xyz, R0, R1.w;
-MAD R1.xyz, -R0, c[0].x, R1;
-ADD R0.w, -R0, c[0].y;
-MAX R0.y, R0.w, c[0].z;
-TEX R0.x, R1, texture[1], CUBE;
-POW R0.y, R0.y, c[0].w;
-MOV R0.z, R0.x;
-MAD R0.w, R0.y, c[1].x, c[1].y;
-TEX R0.xy, R1, texture[0], CUBE;
-MUL result.color.xyz, R0, R0.w;
-MOV result.color.w, c[0].y;
-END
-# 19 instructions, 2 R-regs
diff --git a/src/demos/hdr/shaders/arbfp1/object_vp.arbvp1 b/src/demos/hdr/shaders/arbfp1/object_vp.arbvp1
deleted file mode 100755
index 1f2a6fa..0000000
--- a/src/demos/hdr/shaders/arbfp1/object_vp.arbvp1
+++ /dev/null
@@ -1,42 +0,0 @@
-!!ARBvp1.0
-# cgc version 1.3.0001, build date Aug  4 2004 10:01:10
-# command line args: -profile arbvp1
-# source file: ../cg/object_vp.cg
-# source file: ../cg/hdr.cg
-#vendor NVIDIA Corporation
-#version 1.0.02
-#profile arbvp1
-#program main
-#semantic main.modelViewProj
-#semantic main.model
-#semantic main.eyePos
-#var float4 In.Position : $vin.POSITION : POSITION : 0 : 1
-#var float4 In.Normal : $vin.NORMAL : NORMAL : 0 : 1
-#var float4x4 modelViewProj :  : c[0], 4 : 1 : 1
-#var float4x4 model :  : c[4], 4 : 2 : 1
-#var float3 eyePos :  : c[8] : 3 : 1
-#var float4 main.HPosition : $vout.HPOS : HPOS : -1 : 1
-#var float4 main.P : $vout.TEX0 : TEX0 : -1 : 1
-#var float3 main.N : $vout.TEX1 : TEX1 : -1 : 1
-#var float3 main.I : $vout.TEX2 : TEX2 : -1 : 1
-PARAM c[9] = { program.local[0..8] };
-TEMP R0;
-TEMP R1;
-DP4 result.position.w, vertex.position, c[3];
-DP4 result.position.z, vertex.position, c[2];
-DP4 result.position.y, vertex.position, c[1];
-DP4 result.position.x, vertex.position, c[0];
-DP4 R0.w, vertex.position, c[7];
-DP4 R0.z, vertex.position, c[6];
-DP4 R0.y, vertex.position, c[5];
-DP3 R1.z, vertex.normal, c[6];
-DP3 R1.y, vertex.normal, c[5];
-DP3 R1.x, vertex.normal, c[4];
-DP4 R0.x, vertex.position, c[4];
-DP3 R1.w, R1, R1;
-ADD result.texcoord[2].xyz, R0, -c[8];
-RSQ R1.w, R1.w;
-MOV result.texcoord[0], R0;
-MUL result.texcoord[1].xyz, R1.w, R1;
-END
-# 16 instructions, 2 R-regs
diff --git a/src/demos/hdr/shaders/arbfp1/recompile.txt b/src/demos/hdr/shaders/arbfp1/recompile.txt
deleted file mode 100755
index 48469f3..0000000
--- a/src/demos/hdr/shaders/arbfp1/recompile.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-cgc -profile arbfp1 -o object.arbfp1 ../cg/object.cg
-cgc -profile arbfp1 -o object_hilo.arbfp1 ../cg/object_hilo.cg
-cgc -profile arbvp1 -o object_vp.arbvp1 ../cg/object_vp.cg
-cgc -profile arbfp1 -o shrink.arbfp1 ../cg/shrink.cg
-cgc -profile arbfp1 -o skybox.arbfp1 ../cg/skybox.cg
-cgc -profile arbfp1 -o skybox_hilo.arbfp1 ../cg/skybox_hilo.cg
-cgc -profile arbfp1 -o tonemap.arbfp1 ../cg/tonemap.cg
diff --git a/src/demos/hdr/shaders/arbfp1/shrink.arbfp1 b/src/demos/hdr/shaders/arbfp1/shrink.arbfp1
deleted file mode 100755
index ddf7a4b..0000000
--- a/src/demos/hdr/shaders/arbfp1/shrink.arbfp1
+++ /dev/null
@@ -1,34 +0,0 @@
-!!ARBfp1.0
-# cgc version 1.3.0001, build date Aug  4 2004 10:01:10
-# command line args: -profile arbfp1
-# source file: ../cg/shrink.cg
-# source file: ../cg/hdr.cg
-#vendor NVIDIA Corporation
-#version 1.0.02
-#profile arbfp1
-#program main
-#semantic main.sceneTex : TEXUNIT0
-#var float4 In.wpos :  :  : 0 : 0
-#var float3 In.tex0 : $vin.TEX0 : TEX0 : 0 : 1
-#var float3 In.tex1 :  :  : 0 : 0
-#var float4 In.col0 :  :  : 0 : 0
-#var samplerRECT sceneTex : TEXUNIT0 : texunit 0 : 1 : 1
-#var half4 main : $vout.COL : COL : -1 : 1
-#const c[0] = 1 0 0.25
-PARAM c[1] = { { 1, 0, 0.25 } };
-TEMP R0;
-TEMP R1;
-TEMP R2;
-ADD R0.xy, fragment.texcoord[0], c[0];
-TEX R1, R0, texture[0], RECT;
-TEX R0, fragment.texcoord[0], texture[0], RECT;
-ADD R2, R0, R1;
-ADD R0.xy, fragment.texcoord[0], c[0].yxzw;
-ADD R1.xy, fragment.texcoord[0], c[0].x;
-TEX R0, R0, texture[0], RECT;
-TEX R1, R1, texture[0], RECT;
-ADD R0, R2, R0;
-ADD R0, R0, R1;
-MUL result.color, R0, c[0].z;
-END
-# 11 instructions, 3 R-regs
diff --git a/src/demos/hdr/shaders/arbfp1/skybox.arbfp1 b/src/demos/hdr/shaders/arbfp1/skybox.arbfp1
deleted file mode 100755
index 8d3d9db..0000000
--- a/src/demos/hdr/shaders/arbfp1/skybox.arbfp1
+++ /dev/null
@@ -1,22 +0,0 @@
-!!ARBfp1.0
-# cgc version 1.3.0001, build date Aug  4 2004 10:01:10
-# command line args: -profile arbfp1
-# source file: ../cg/skybox.cg
-# source file: ../cg/hdr.cg
-#vendor NVIDIA Corporation
-#version 1.0.02
-#profile arbfp1
-#program main
-#semantic main.envMap : TEXUNIT0
-#var float4 In.wpos :  :  : 0 : 0
-#var float3 In.tex0 : $vin.TEX0 : TEX0 : 0 : 1
-#var float3 In.tex1 :  :  : 0 : 0
-#var float4 In.col0 :  :  : 0 : 0
-#var samplerCUBE envMap : TEXUNIT0 : texunit 0 : 1 : 1
-#var half4 main : $vout.COL : COL : -1 : 1
-#const c[0] = 1
-PARAM c[1] = { { 1 } };
-TEX result.color.xyz, fragment.texcoord[0], texture[0], CUBE;
-MOV result.color.w, c[0].x;
-END
-# 2 instructions, 0 R-regs
diff --git a/src/demos/hdr/shaders/arbfp1/skybox_hilo.arbfp1 b/src/demos/hdr/shaders/arbfp1/skybox_hilo.arbfp1
deleted file mode 100755
index fe0d910..0000000
--- a/src/demos/hdr/shaders/arbfp1/skybox_hilo.arbfp1
+++ /dev/null
@@ -1,27 +0,0 @@
-!!ARBfp1.0
-# cgc version 1.3.0001, build date Aug  4 2004 10:01:10
-# command line args: -profile arbfp1
-# source file: ../cg/skybox_hilo.cg
-# source file: ../cg/hdr.cg
-#vendor NVIDIA Corporation
-#version 1.0.02
-#profile arbfp1
-#program main
-#semantic main.envMap_rg : TEXUNIT0
-#semantic main.envMap_b : TEXUNIT1
-#var float4 In.wpos :  :  : 0 : 0
-#var float3 In.tex0 : $vin.TEX0 : TEX0 : 0 : 1
-#var float3 In.tex1 :  :  : 0 : 0
-#var float4 In.col0 :  :  : 0 : 0
-#var samplerCUBE envMap_rg : TEXUNIT0 : texunit 0 : 1 : 1
-#var samplerCUBE envMap_b : TEXUNIT1 : texunit 1 : 2 : 1
-#var half4 main : $vout.COL : COL : -1 : 1
-#const c[0] = 1
-PARAM c[1] = { { 1 } };
-TEMP R0;
-TEX R0.x, fragment.texcoord[0], texture[1], CUBE;
-TEX result.color.xy, fragment.texcoord[0], texture[0], CUBE;
-MOV result.color.z, R0.x;
-MOV result.color.w, c[0].x;
-END
-# 4 instructions, 1 R-regs
diff --git a/src/demos/hdr/shaders/arbfp1/tonemap.arbfp1 b/src/demos/hdr/shaders/arbfp1/tonemap.arbfp1
deleted file mode 100755
index 0dd5a5a..0000000
--- a/src/demos/hdr/shaders/arbfp1/tonemap.arbfp1
+++ /dev/null
@@ -1,64 +0,0 @@
-!!ARBfp1.0
-# cgc version 1.3.0001, build date Aug  4 2004 10:01:10
-# command line args: -profile arbfp1
-# source file: ../cg/tonemap.cg
-# source file: ../cg/hdr.cg
-#vendor NVIDIA Corporation
-#version 1.0.02
-#profile arbfp1
-#program main
-#semantic main.sceneTex : TEXUNIT0
-#semantic main.blurTex : TEXUNIT1
-#semantic main.gammaTex : TEXUNIT2
-#semantic main.vignetteTex : TEXUNIT3
-#semantic main.blurAmount
-#semantic main.windowSize
-#semantic main.exposure
-#var float4 In.wpos :  :  : 0 : 0
-#var float3 In.tex0 : $vin.TEX0 : TEX0 : 0 : 1
-#var float3 In.tex1 : $vin.TEX1 : TEX1 : 0 : 1
-#var float4 In.col0 :  :  : 0 : 0
-#var samplerRECT sceneTex : TEXUNIT0 : texunit 0 : 1 : 1
-#var samplerRECT blurTex : TEXUNIT1 : texunit 1 : 2 : 1
-#var sampler1D gammaTex : TEXUNIT2 : texunit 2 : 3 : 1
-#var samplerRECT vignetteTex : TEXUNIT3 : texunit 3 : 4 : 1
-#var float blurAmount :  : c[1] : 5 : 1
-#var float4 windowSize :  :  : 6 : 0
-#var float exposure :  : c[2] : 7 : 1
-#var half4 main : $vout.COL : COL : -1 : 1
-#const c[0] = 1 0
-PARAM c[3] = { { 1, 0 },
-		program.local[1..2] };
-TEMP R0;
-TEMP R1;
-TEMP R2;
-TEMP R3;
-TEMP R4;
-ADD R0.xy, fragment.texcoord[1], c[0].yxzw;
-ADD R1.xy, fragment.texcoord[1], c[0].x;
-TEX R1.xyz, R1, texture[1], RECT;
-TEX R0.xyz, R0, texture[1], RECT;
-ADD R3.xyz, R1, -R0;
-FRC R4.xy, fragment.texcoord[1];
-ADD R1.xy, fragment.texcoord[1], c[0];
-TEX R2.xyz, fragment.texcoord[1], texture[1], RECT;
-TEX R1.xyz, R1, texture[1], RECT;
-ADD R1.xyz, R1, -R2;
-MAD R1.xyz, R4.x, R1, R2;
-MAD R0.xyz, R4.x, R3, R0;
-ADD R2.xyz, R0, -R1;
-TEX R0.xyz, fragment.texcoord[0], texture[0], RECT;
-MAD R1.xyz, R4.y, R2, R1;
-ADD R1.xyz, R1, -R0;
-MAD R1.xyz, R1, c[1].x, R0;
-MUL R1.xyz, R1, c[2].x;
-TEX R0.xyz, fragment.texcoord[0], texture[3], RECT;
-MUL R0.xyz, R1, R0;
-TEX result.color.x, R0, texture[2], 1D;
-TEX R0.x, R0.y, texture[2], 1D;
-TEX R1.x, R0.z, texture[2], 1D;
-MOV result.color.y, R0.x;
-MOV result.color.z, R1.x;
-MOV result.color.w, c[0].x;
-END
-# 26 instructions, 5 R-regs
diff --git a/src/demos/hdr/shaders/cg/hdr.cg b/src/demos/hdr/shaders/cg/hdr.cg
deleted file mode 100755
index 3a0cafd..0000000
--- a/src/demos/hdr/shaders/cg/hdr.cg
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
-   Cg functions to decode and filter textures in Radiance (RGBE) high dynamic range format
-   sgg 2/15/02
-
-   http://www.graphics.cornell.edu/~bjw/rgbe.html
-*/
-
-#if 0
-typedef float4 vec4;
-typedef float3 vec3;
-typedef float2 vec2;
-typedef float real;
-#define texRECT f4texRECT
-#define texCUBE f4texCUBE
-#else
-typedef half4 vec4;
-typedef half3 vec3;
-typedef half2 vec2;
-typedef half real;
-#define texRECT h4texRECT
-#define texCUBE h4texCUBE
-#endif
-
-struct fragin
-{
-    float4 wpos : WPOS;
-    float3 tex0 : TEXCOORD0;
-    float3 tex1 : TEXCOORD1;
-    float4 col0 : COLOR0;
-};
-
-// Lookup in RGBE-encoded rectangle texture
-vec3 texRECT_RGBE(uniform samplerRECT tex, float2 t)
-{
-   vec4 rgbe = texRECT(tex, t);
-   real e = (rgbe[3] * 255) - 128;
-   return rgbe.xyz * exp2(e);
-}
-
-// Lookup in RGBE-encoded cube map texture
-vec3 texCUBE_RGBE(uniform samplerCUBE tex, float3 t)
-{
-   vec4 rgbe = texCUBE(tex, t);
-   real e = (rgbe[3] * 255) - 128;
-   return rgbe.xyz * exp2(e);
-}
-
-// Lookup in RGBE-encoded rectangle texture with filtering
-vec3 texRECT_RGBE_Bilinear(uniform samplerRECT tex, half2 t)
-{
-  float2 f = frac(t);
-  vec3 t0 = texRECT_RGBE(tex, t);
-  vec3 t1 = texRECT_RGBE(tex, t + half2(1,0) );
-  vec3 t2  = lerp(t0, t1, f[0]);
-  t0 = texRECT_RGBE(tex, t + half2(0,1) );
-  t1 = texRECT_RGBE(tex, t + half2(1,1) );
-  t0 = lerp(t0, t1, f[0]);
-  t0 = lerp(t2, t0, f[1]);
-  return t0;
-}
-
-// Lookup in cubemap encoded as two HILO cube maps
-vec3 texCUBE_hilo(uniform samplerCUBE rg_tex : TEXUNIT0, uniform samplerCUBE b_tex : TEXUNIT1, float3 t)
-{
-  vec3 c;
-  c.xy = texCUBE(rg_tex, t).xy;
-  c.z = texCUBE(b_tex, t).x;
-//  c = c * c;
-  return c;
-}
-
-// Lookup in rectangle texture encoded as two HILO cube maps
-vec3 texRECT_hilo(uniform samplerRECT rg_tex : TEXUNIT0, uniform samplerRECT b_tex : TEXUNIT1, float2 t)
-{
-  vec3 c;
-  c.xy = texRECT(rg_tex, t).xy;
-  c.z = texRECT(b_tex, t).x;
-  return c;
-}
-
-// bilinear lookup in float texture
-vec4 texRECT_bilinear(uniform samplerRECT tex, half2 t)
-{
-  float2 f = frac(t);
-  vec4 t0 = texRECT(tex, t);
-  vec4 t1 = texRECT(tex, t + half2(1,0) );
-  vec4 t2  = lerp(t0, t1, f[0]);
-  t0 = texRECT(tex, t + half2(0,1) );
-  t1 = texRECT(tex, t + half2(1,1) );
-  t0 = lerp(t0, t1, f[0]);
-  t0 = lerp(t2, t0, f[1]);
-  return t0;
-}
-
-// applying vignetting based on window coordinates
-void vignette(inout float3 c, float4 wpos, const float2 win_bias, const float2 win_scale)
-{
-  // convert window coord to [-1, 1] range
-  wpos.xy = (wpos.xy - win_bias) * win_scale;
-  // calculate distance from origin
-  float r = length(wpos.xy);
-  r = 1.0 - smoothstep(0.8, 1.5, r);
-  c = c * r;
-}
-
-// refraction function from Renderman spec
-// I = incident direction, N = normal, eta = relative index of refraction
-half3 my_refract(half3 I, half3 N, half eta)
-{
-  half IdotN = dot(I,N);
-  half k = 1 - eta*eta*(1 - IdotN*IdotN);
-
-  return eta*I - (eta*IdotN + sqrt(k))*N;
-}
-
-// fresnel approximation
-half my_fresnel(half3 I, half3 N, half power, half scale, half bias)
-{
-  return bias + (pow(max(0.0, 1.0 - dot(I, N)), power) * scale);
-}
-
-// transform a direction vector by a 4x4 matrix
-float3 transform_dir(float4x4 m, float3 v)
-{
-  float3 o;
-  o.x = dot(v, m._11_12_13);
-  o.y = dot(v, m._21_22_23);
-  o.z = dot(v, m._31_32_33);
-  return o;
-}
diff --git a/src/demos/hdr/shaders/cg/object.cg b/src/demos/hdr/shaders/cg/object.cg
deleted file mode 100755
index a242bc6..0000000
--- a/src/demos/hdr/shaders/cg/object.cg
+++ /dev/null
@@ -1,30 +0,0 @@
-// 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);
-}
diff --git a/src/demos/hdr/shaders/cg/object_hilo.cg b/src/demos/hdr/shaders/cg/object_hilo.cg
deleted file mode 100755
index 88a3348..0000000
--- a/src/demos/hdr/shaders/cg/object_hilo.cg
+++ /dev/null
@@ -1,31 +0,0 @@
-// 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);
-}
diff --git a/src/demos/hdr/shaders/cg/object_vp.cg b/src/demos/hdr/shaders/cg/object_vp.cg
deleted file mode 100755
index 895dc28..0000000
--- a/src/demos/hdr/shaders/cg/object_vp.cg
+++ /dev/null
@@ -1,43 +0,0 @@
-#include "hdr.cg"
-
-// application to vertex shader
-struct a2v 
-{
-    float4 Position : POSITION;
-    float4 Normal   : NORMAL;
-};
-
-// vertex shader to fragment shader
-struct v2f 
-{
-    float4 HPosition : POSITION;
-    float4 P         : TEXCOORD0; // position
-    float3 N         : TEXCOORD1; // normal
-    float3 I         : TEXCOORD2; // incident vector
-};
-
-v2f main(a2v In,
-         uniform float4x4 modelViewProj,
-         uniform float4x4 model,
-         uniform float3 eyePos
-         )
-{
-  v2f Out;
-
-  // transform position
-  float4 P = mul(model, In.Position);
-
-  // transform normal
-  float3 N = transform_dir(model, In.Normal.xyz);
-  N = normalize(N);
-
-  // calculate incident vector
-  float3 I = P.xyz - eyePos;
-
-  Out.P = P;
-  Out.N = N;
-  Out.I = I;
- 
-  Out.HPosition = mul(modelViewProj, In.Position);
-  return Out;
-}
diff --git a/src/demos/hdr/shaders/cg/shrink.cg b/src/demos/hdr/shaders/cg/shrink.cg
deleted file mode 100755
index 7e01947..0000000
--- a/src/demos/hdr/shaders/cg/shrink.cg
+++ /dev/null
@@ -1,17 +0,0 @@
-// downsample float image by half
-
-#include "hdr.cg"
-
-half4 main(fragin In,
-	   uniform samplerRECT sceneTex : TEXUNIT0
-           ) : COLOR
-{
-    // should calculate texcoords in vertex shader here:
-    half4 c;
-    c = texRECT(sceneTex, In.tex0.xy);
-    c = c + texRECT(sceneTex, In.tex0.xy + float2(1, 0));
-    c = c + texRECT(sceneTex, In.tex0.xy + float2(0, 1));
-    c = c + texRECT(sceneTex, In.tex0.xy + float2(1, 1));
-    c = c * 0.25;
-    return c;
-}
diff --git a/src/demos/hdr/shaders/cg/skybox.cg b/src/demos/hdr/shaders/cg/skybox.cg
deleted file mode 100755
index 5ca6e6f..0000000
--- a/src/demos/hdr/shaders/cg/skybox.cg
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "hdr.cg"
-
-half4 main(fragin In,
-           uniform samplerCUBE envMap : TEXUNIT0) : COLOR
-{
-    half3 c = texCUBE(envMap, In.tex0).rgb;
-    return half4(c, 1.0);
-}
diff --git a/src/demos/hdr/shaders/cg/skybox_hilo.cg b/src/demos/hdr/shaders/cg/skybox_hilo.cg
deleted file mode 100755
index d7392bf..0000000
--- a/src/demos/hdr/shaders/cg/skybox_hilo.cg
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "hdr.cg"
-
-half4 main(fragin In,
-           uniform samplerCUBE envMap_rg : TEXUNIT0,
-           uniform samplerCUBE envMap_b  : TEXUNIT1) : COLOR
-{
-    half3 c = texCUBE_hilo(envMap_rg, envMap_b, In.tex0).rgb;
-    return half4(c, 1.0);
-}
diff --git a/src/demos/hdr/shaders/cg/tonemap.cg b/src/demos/hdr/shaders/cg/tonemap.cg
deleted file mode 100755
index c3d218f..0000000
--- a/src/demos/hdr/shaders/cg/tonemap.cg
+++ /dev/null
@@ -1,37 +0,0 @@
-// Tone mapping pass
-
-#include "hdr.cg"
-
-half4 main(fragin In,
-           uniform samplerRECT sceneTex     : TEXUNIT0,
-           uniform samplerRECT blurTex      : TEXUNIT1,
-           uniform sampler1D   gammaTex     : TEXUNIT2,
-           uniform samplerRECT vignetteTex  : TEXUNIT3,
-           uniform float       blurAmount,
-           uniform float4      windowSize,
-           uniform float       exposure
-           ) : COLOR
-{
-    // sum original and blurred image
-    half3 c = lerp(texRECT(sceneTex, In.tex0.xy), texRECT_bilinear(blurTex, In.tex1.xy), blurAmount).xyz;
-
-    // exposure
-    c = c * half(exposure);
-
-    // vignette effect (makes brightness drop off with distance from center)
-//    vignette(c, In.wpos, windowSize.xy, windowSize.zw);
-    c = c * texRECT(vignetteTex, In.tex0.xy).rgb;
-
-    // gamma correction
-#if 0
-    // use math
-    c = pow(c, 1.0 / 2.2);
-#else
-    // use lut
-    c.r = h1tex1D(gammaTex, c.r);
-    c.g = h1tex1D(gammaTex, c.g);
-    c.b = h1tex1D(gammaTex, c.b);
-#endif
-
-    return half4(c, 1.0);
-}