[1519] | 1 | float REDUCED_CUBEMAP_SIZE;
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| 2 |
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| 3 | float4 readCubeMap(samplerCUBE cm, float3 coord)
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| 4 | {
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[1735] | 5 | float4 color = texCUBElod( cm, float4(coord.xy, -coord.z, 1) );
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[1519] | 6 | color.a = 1;
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| 7 | return color;
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| 8 | }
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| 9 |
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| 10 | float readDistanceCubeMap(samplerCUBE dcm, float3 coord)
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| 11 | {
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[1735] | 12 | float dist = texCUBElod(dcm, float4(coord.xy, - coord.z, 1)).r;
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[1590] | 13 | if(dist == 0) dist = 1000000; ///sky
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[1519] | 14 | return dist;
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| 15 | }
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| 16 |
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| 17 |
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| 18 | /////////////////////
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| 19 | ///// Diffuse
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| 20 | ///////////////////
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| 21 |
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[1590] | 22 | float4 GetContibution(float3 L, float3 L1, float3 L2, float3 L3, float3 L4, float3 pos, float3 N, samplerCUBE cubemap)
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[1519] | 23 | {
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[1590] | 24 | float d;
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| 25 | //d = texCUBE(cubemap, L).a;
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| 26 | d = readDistanceCubeMap(cubemap, L1).r;
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[1525] | 27 | L1 = d * normalize(L1);
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[1590] | 28 | d = readDistanceCubeMap(cubemap, L2).r;
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[1525] | 29 | L2 = d * normalize(L2);
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[1590] | 30 | d = readDistanceCubeMap(cubemap, L3).r;
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| 31 | L3 = d * normalize(L3);
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| 32 | d = readDistanceCubeMap(cubemap, L4).r;
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[1525] | 33 | L4 = d * normalize(L4);
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[1590] | 34 |
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[1525] | 35 |
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| 36 | float3 r1 = normalize(L1 - pos);
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| 37 | float3 r2 = normalize(L2 - pos);
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| 38 | float3 r3 = normalize(L3 - pos);
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| 39 | float3 r4 = normalize(L4 - pos);
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[1590] | 40 | /*
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[1525] | 41 | float tri1 = acos(dot(r1, r2)) * dot(cross(r1, r2), N);
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| 42 | float tri2 = acos(dot(r2, r3)) * dot(cross(r2, r3), N);
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| 43 | float tri3 = acos(dot(r3, r4)) * dot(cross(r3, r4), N);
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| 44 | float tri4 = acos(dot(r4, r1)) * dot(cross(r4, r1), N);
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[1590] | 45 | */
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| 46 | float3 crossP = cross(r1, r2);
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| 47 | float r = length(crossP);
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| 48 | float dd = dot(r1,r2);
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| 49 | float tri1 = acos(dd) * dot(crossP/r, N);
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| 50 |
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| 51 | crossP = cross(r2, r3);
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| 52 | r = length(crossP);
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| 53 | dd = dot(r1,r2);
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| 54 | float tri2 = acos(dd) * dot(crossP/r, N);
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| 55 |
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| 56 | crossP = cross(r3, r4);
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| 57 | r = length(crossP);
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| 58 | dd = dot(r1,r2);
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| 59 | float tri3 = acos(dd) * dot(crossP/r, N);
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| 60 |
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| 61 | crossP = cross(r4, r1);
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| 62 | r = length(crossP);
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| 63 | dd = dot(r1,r2);
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| 64 | float tri4= acos(dd) * dot(crossP/r, N);
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| 65 |
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| 66 |
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[1525] | 67 | return max(tri1 + tri2 + tri3 + tri4, 0);
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[1590] | 68 | //return tri1 + tri2 + tri3 + tri4;
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[1519] | 69 | }
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| 70 |
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[1590] | 71 |
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[1519] | 72 | struct vertOUT
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| 73 | {
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| 74 | float4 hPos :POSITION;
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| 75 | float3 wPos :TEXCOORD1;
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| 76 | float2 texCoord :TEXCOORD0;
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| 77 | float3 mNormal :TEXCOORD2;
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| 78 | };
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| 79 |
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| 80 | vertOUT DiffuseVS(float4 position : POSITION,
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| 81 | float3 normal : NORMAL,
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| 82 | half3 tangent : TEXCOORD1,
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| 83 | float2 texCoord : TEXCOORD0,
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| 84 | uniform float4x4 worldViewProj,
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[1638] | 85 | uniform float4x4 worldI,
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[1519] | 86 | uniform float4x4 world)
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| 87 | {
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| 88 | vertOUT OUT;
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| 89 | OUT.hPos = mul(worldViewProj, position);
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| 90 | OUT.wPos = mul(world, position).xyz;
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[1638] | 91 | OUT.mNormal = mul(normal, worldI);
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[1590] | 92 | //OUT.mNormal = normal;
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[1519] | 93 | OUT.texCoord = texCoord;
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| 94 | return OUT;
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| 95 | }
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| 96 |
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[1590] | 97 |
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[1519] | 98 | float4 DiffusePS( vertOUT IN,
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| 99 | uniform float3 cameraPos,
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| 100 | uniform float3 lastCenter, //LI//
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| 101 | uniform samplerCUBE SmallEnvMapSampler : register(s0),
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[1590] | 102 | uniform samplerCUBE DistanceEnvMapSampler : register(s1)
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[1519] | 103 | ) : COLOR0
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| 104 | {
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[1590] | 105 | float M = 4;
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| 106 |
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| 107 | float3 N = IN.mNormal;
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[1519] | 108 | N = normalize( N );
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| 109 | float3 pos = IN.wPos - lastCenter;
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[1590] | 110 |
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[1638] | 111 | //return float4(N,1)+ lastCenter.x*0.000001;
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[1590] | 112 | // return float4(N,1)+ lastCenter.x*0.000001;
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| 113 | // return readCubeMap(SmallEnvMapSampler, pos) + lastCenter.x*0.000001;
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| 114 |
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| 115 | float4 I = 0;
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| 116 | float3 L1, L2, L3, L4, L;
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| 117 | float4 Le;
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| 118 | float width = 1.0 / M;
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| 119 | float width2 = width * 2;
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| 120 | float d;
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| 121 |
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[1638] | 122 | for (float x = 1; x < M; x++)
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| 123 | for (float y = 1; y < M; y++)
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[1590] | 124 | {
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[1519] | 125 | float2 p, tpos;
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[1590] | 126 | tpos.x = x * width;
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| 127 | tpos.y = y * width;
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[1519] | 128 |
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[1590] | 129 | p = tpos.xy;
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| 130 | p = 2.0 * p - 1.0; //-1..1
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| 131 |
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[1525] | 132 | L1 = float3(p.x - width, p.y - width, 1);
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| 133 | L2 = float3(p.x + width, p.y - width, 1);
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| 134 | L3 = float3(p.x + width, p.y + width, 1);
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| 135 | L4 = float3(p.x - width, p.y + width, 1);
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| 136 | L = float3(p.x, p.y, 1);
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[1590] | 137 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 138 |
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| 139 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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| 140 |
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| 141 | }
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[1929] | 142 | /*
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[1638] | 143 | for (float x = 1; x < M; x++)
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| 144 | for (float y = 1; y < M; y++)
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[1590] | 145 | {
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[1525] | 146 | float2 p, tpos;
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[1590] | 147 | tpos.x = x * width; // 0..1
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| 148 | tpos.y = y * width; // 0..1
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[1519] | 149 |
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[1590] | 150 | p = tpos.xy;
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| 151 | p = 2.0 * p - 1.0; //-1..1
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| 152 |
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[1525] | 153 | L4 = float3(p.x - width, p.y - width, -1);
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| 154 | L3 = float3(p.x + width, p.y - width, -1);
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| 155 | L2 = float3(p.x + width, p.y + width, -1);
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| 156 | L1 = float3(p.x - width, p.y + width, -1);
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| 157 | L = float3(p.x, p.y, -1);
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[1590] | 158 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 159 |
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| 160 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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| 161 | }
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| 162 |
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[1638] | 163 | for (float x = 1; x < M; x++)
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| 164 | for (float y = 1; y < M; y++)
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[1590] | 165 | {
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[1525] | 166 | float2 p, tpos;
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[1590] | 167 | tpos.x = x * width; // 0..1
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| 168 | tpos.y = y * width; // 0..1
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[1519] | 169 |
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[1590] | 170 | p = tpos.xy;
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| 171 | p = 2.0 * p - 1.0; //-1..1
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| 172 |
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[1525] | 173 | L4 = float3(p.x - width, 1, p.y - width);
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| 174 | L3 = float3(p.x + width, 1, p.y - width);
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| 175 | L2 = float3(p.x + width, 1, p.y + width);
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| 176 | L1 = float3(p.x - width, 1, p.y + width);
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[1519] | 177 | L = float3(p.x, 1, p.y);
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[1590] | 178 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 179 |
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| 180 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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| 181 | }
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| 182 |
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[1638] | 183 | for (float x = 1; x < M; x++)
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| 184 | for (float y = 1; y < M; y++)
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[1590] | 185 | {
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[1525] | 186 | float2 p, tpos;
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[1590] | 187 | tpos.x = x * width; // 0..1
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| 188 | tpos.y = y * width; // 0..1
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[1525] | 189 |
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[1590] | 190 | p = tpos.xy;
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| 191 | p = 2.0 * p - 1.0; //-1..1
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| 192 |
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[1525] | 193 | L1 = float3(p.x - width, -1, p.y - width);
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| 194 | L2 = float3(p.x + width, -1, p.y - width);
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| 195 | L3 = float3(p.x + width, -1, p.y + width);
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| 196 | L4 = float3(p.x - width, -1, p.y + width);
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[1519] | 197 | L = float3(p.x, -1, p.y);
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[1590] | 198 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 199 |
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| 200 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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| 201 | }
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| 202 |
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[1638] | 203 | for (float x = 1; x < M; x++)
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| 204 | for (float y = 1; y < M; y++)
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[1590] | 205 | {
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[1525] | 206 | float2 p, tpos;
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[1590] | 207 | tpos.x = x * width; // 0..1
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| 208 | tpos.y = y * width; // 0..1
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[1525] | 209 |
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[1590] | 210 | p = tpos.xy;
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| 211 | p = 2.0 * p - 1.0; //-1..1
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| 212 |
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[1525] | 213 | L1 = float3(1, p.x - width, p.y - width);
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| 214 | L2 = float3(1, p.x + width, p.y - width);
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| 215 | L3 = float3(1, p.x + width, p.y + width);
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| 216 | L4 = float3(1, p.x - width, p.y + width);
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[1519] | 217 | L = float3(1, p.x, p.y);
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[1590] | 218 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 219 |
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| 220 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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[1525] | 221 | }
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[1590] | 222 |
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[1638] | 223 | for (float x = 1; x < M; x++)
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| 224 | for (float y = 1; y < M; y++)
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[1590] | 225 | {
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[1525] | 226 | float2 p, tpos;
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[1590] | 227 | tpos.x = x * width; // 0..1
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| 228 | tpos.y = y * width; // 0..1
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[1525] | 229 |
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[1590] | 230 | p = tpos.xy;
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| 231 | p = 2.0 * p - 1.0; //-1..1
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| 232 |
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[1525] | 233 | L4 = float3(-1, p.x - width, p.y - width);
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| 234 | L3 = float3(-1, p.x + width, p.y - width);
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| 235 | L2 = float3(-1, p.x + width, p.y + width);
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| 236 | L1 = float3(-1, p.x - width, p.y + width);
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[1519] | 237 | L = float3(-1, p.x, p.y);
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[1590] | 238 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 239 |
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| 240 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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[1929] | 241 | } */
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[1638] | 242 | float kd = 0.5;
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[1590] | 243 | return kd * I;
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[1535] | 244 | }
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| 245 |
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[1671] | 246 | struct vertOUTBump
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| 247 | {
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| 248 | float4 hPos :POSITION;
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| 249 | float3 wPos :TEXCOORD1;
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| 250 | float2 texCoord :TEXCOORD0;
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| 251 | float3 mNormal :TEXCOORD2;
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| 252 | float3 tangent :TEXCOORD3;
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| 253 | float3 binormal :TEXCOORD4;
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| 254 | };
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| 255 |
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| 256 | vertOUTBump DiffuseBumpVS(float4 position : POSITION,
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| 257 | float3 normal : NORMAL,
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| 258 | half3 tangent : TEXCOORD1,
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| 259 | float2 texCoord : TEXCOORD0,
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| 260 | uniform float4x4 worldViewProj,
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| 261 | uniform float4x4 world)
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| 262 | {
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| 263 | vertOUTBump OUT;
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| 264 | OUT.hPos = mul(worldViewProj, position);
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| 265 | OUT.wPos = mul(world, position).xyz;
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| 266 | OUT.mNormal = normal;
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| 267 | OUT.tangent = tangent;
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| 268 | OUT.texCoord = texCoord;
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| 269 | OUT.binormal = cross(tangent, normal);
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| 270 | return OUT;
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| 271 | }
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| 272 |
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| 273 | float4 DiffuseBumpPS( vertOUTBump IN,
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| 274 | uniform float3 cameraPos,
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| 275 | uniform float3 lastCenter, //LI//
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| 276 | uniform samplerCUBE SmallEnvMapSampler : register(s0),
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| 277 | uniform samplerCUBE DistanceEnvMapSampler : register(s1),
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| 278 | uniform sampler2D NormalMap : register(s2),
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| 279 | uniform float4x4 worldI
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| 280 | ) : COLOR0
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| 281 | {
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| 282 | float M = 4;
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| 283 |
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| 284 | float3 N = IN.mNormal;
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| 285 | N = normalize( N );
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| 286 | float3x3 TangentToModel = float3x3(IN.tangent, IN.binormal, N);
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| 287 |
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| 288 | half3 tNormal = tex2D(NormalMap, IN.texCoord).rgb;
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| 289 |
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| 290 | N = mul(tNormal, TangentToModel );
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| 291 |
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| 292 | N = normalize( N );
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| 293 | N = mul(N, worldI);
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| 294 |
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| 295 | float3 pos = IN.wPos - lastCenter;
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| 296 |
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| 297 | //return float4(N,1)+ lastCenter.x*0.000001;
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| 298 | // return readCubeMap(SmallEnvMapSampler, pos) + lastCenter.x*0.000001;
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| 299 |
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| 300 | float4 I = 0;
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| 301 | float3 L1, L2, L3, L4, L;
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| 302 | float4 Le;
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| 303 | float width = 1.0 / M;
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| 304 | float width2 = width * 2;
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| 305 | float d;
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[1683] | 306 | /*
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[1671] | 307 | for (float x = 0.5; x < M; x++)
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| 308 | for (float y = 0.5; y < M; y++)
|
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| 309 | {
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| 310 | float2 p, tpos;
|
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| 311 | tpos.x = x * width;
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| 312 | tpos.y = y * width;
|
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| 313 |
|
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| 314 | p = tpos.xy;
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| 315 | p = 2.0 * p - 1.0; //-1..1
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| 316 |
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| 317 | L1 = float3(p.x - width, p.y - width, 1);
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| 318 | L2 = float3(p.x + width, p.y - width, 1);
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| 319 | L3 = float3(p.x + width, p.y + width, 1);
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| 320 | L4 = float3(p.x - width, p.y + width, 1);
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| 321 | L = float3(p.x, p.y, 1);
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| 322 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 323 |
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| 324 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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| 325 |
|
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| 326 | }
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| 327 |
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| 328 | for (float x = 0.5; x < M; x++)
|
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| 329 | for (float y = 0.5; y < M; y++)
|
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| 330 | {
|
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| 331 | float2 p, tpos;
|
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| 332 | tpos.x = x * width; // 0..1
|
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| 333 | tpos.y = y * width; // 0..1
|
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| 334 |
|
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| 335 | p = tpos.xy;
|
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| 336 | p = 2.0 * p - 1.0; //-1..1
|
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| 337 |
|
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| 338 | L4 = float3(p.x - width, p.y - width, -1);
|
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| 339 | L3 = float3(p.x + width, p.y - width, -1);
|
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| 340 | L2 = float3(p.x + width, p.y + width, -1);
|
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| 341 | L1 = float3(p.x - width, p.y + width, -1);
|
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| 342 | L = float3(p.x, p.y, -1);
|
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| 343 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
|
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| 344 |
|
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| 345 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
|
---|
| 346 | }
|
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| 347 |
|
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| 348 | for (float x = 0.5; x < M; x++)
|
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| 349 | for (float y = 0.5; y < M; y++)
|
---|
| 350 | {
|
---|
| 351 | float2 p, tpos;
|
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| 352 | tpos.x = x * width; // 0..1
|
---|
| 353 | tpos.y = y * width; // 0..1
|
---|
| 354 |
|
---|
| 355 | p = tpos.xy;
|
---|
| 356 | p = 2.0 * p - 1.0; //-1..1
|
---|
| 357 |
|
---|
| 358 | L4 = float3(p.x - width, 1, p.y - width);
|
---|
| 359 | L3 = float3(p.x + width, 1, p.y - width);
|
---|
| 360 | L2 = float3(p.x + width, 1, p.y + width);
|
---|
| 361 | L1 = float3(p.x - width, 1, p.y + width);
|
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| 362 | L = float3(p.x, 1, p.y);
|
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| 363 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
|
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| 364 |
|
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| 365 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
|
---|
| 366 | }
|
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| 367 |
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| 368 | for (float x = 0.5; x < M; x++)
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| 369 | for (float y = 0.5; y < M; y++)
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| 370 | {
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| 371 | float2 p, tpos;
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| 372 | tpos.x = x * width; // 0..1
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| 373 | tpos.y = y * width; // 0..1
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| 374 |
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| 375 | p = tpos.xy;
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| 376 | p = 2.0 * p - 1.0; //-1..1
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| 377 |
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| 378 | L1 = float3(p.x - width, -1, p.y - width);
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| 379 | L2 = float3(p.x + width, -1, p.y - width);
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| 380 | L3 = float3(p.x + width, -1, p.y + width);
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| 381 | L4 = float3(p.x - width, -1, p.y + width);
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| 382 | L = float3(p.x, -1, p.y);
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| 383 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 384 |
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| 385 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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| 386 | }
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| 387 |
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| 388 | for (float x = 0.5; x < M; x++)
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| 389 | for (float y = 0.5; y < M; y++)
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| 390 | {
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| 391 | float2 p, tpos;
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| 392 | tpos.x = x * width; // 0..1
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| 393 | tpos.y = y * width; // 0..1
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| 394 |
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| 395 | p = tpos.xy;
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| 396 | p = 2.0 * p - 1.0; //-1..1
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| 397 |
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| 398 | L1 = float3(1, p.x - width, p.y - width);
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| 399 | L2 = float3(1, p.x + width, p.y - width);
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| 400 | L3 = float3(1, p.x + width, p.y + width);
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| 401 | L4 = float3(1, p.x - width, p.y + width);
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| 402 | L = float3(1, p.x, p.y);
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| 403 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 404 |
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| 405 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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| 406 | }
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| 407 |
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| 408 | for (float x = 0.5; x < M; x++)
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| 409 | for (float y = 0.5; y < M; y++)
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| 410 | {
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| 411 | float2 p, tpos;
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| 412 | tpos.x = x * width; // 0..1
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| 413 | tpos.y = y * width; // 0..1
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| 414 |
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| 415 | p = tpos.xy;
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| 416 | p = 2.0 * p - 1.0; //-1..1
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| 417 |
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| 418 | L4 = float3(-1, p.x - width, p.y - width);
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| 419 | L3 = float3(-1, p.x + width, p.y - width);
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| 420 | L2 = float3(-1, p.x + width, p.y + width);
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| 421 | L1 = float3(-1, p.x - width, p.y + width);
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| 422 | L = float3(-1, p.x, p.y);
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| 423 | Le = float4(readCubeMap(SmallEnvMapSampler, L).rgb, 1);
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| 424 |
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| 425 | I += 0.5 * Le * GetContibution( L, L1, L2, L3, L4, pos, N, DistanceEnvMapSampler);
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[1683] | 426 | } */
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[1671] | 427 | float kd = 0.3;
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| 428 | return kd * I;
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| 429 | }
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| 430 |
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[1590] | 431 | float4 P2PContr(float3 N, float3 Nl, float3 pos, float3 L, samplerCUBE cubemap, samplerCUBE distmap)
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[1535] | 432 | {
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[1590] | 433 | Nl = normalize(Nl);
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| 434 | L = normalize(L);
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| 435 | float4 Le = readCubeMap(cubemap, L);
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| 436 | float d = readDistanceCubeMap(distmap, L);
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| 437 | float3 Lpos = L * d;
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| 438 | float3 Ldir = Lpos - pos;
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[1671] | 439 | float dist = 4 * dot(Ldir, Ldir);
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[1590] | 440 | Ldir = normalize(Ldir);
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[1671] | 441 |
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| 442 | return Le * (max(dot(N, Ldir),0) * dot(Nl, -1 * Ldir)) / dist;
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[1590] | 443 | }
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[1535] | 444 |
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[1590] | 445 | float4 EnvMapDiffuseP2PPS( vertOUT IN,
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| 446 | uniform float3 lastCenter, //LI//
|
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| 447 | uniform samplerCUBE SmallEnvMapSampler : register(s0),
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| 448 | uniform samplerCUBE DistanceEnvMapSampler : register(s1)) : COLOR
|
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| 449 | {
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| 450 | float M = 4.0;
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| 451 |
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| 452 | float3 N = IN.mNormal;
|
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| 453 | N = normalize( N );
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| 454 | float3 pos = IN.wPos - lastCenter;
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| 455 |
|
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| 456 | float4 I = 0;
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| 457 | float3 L;
|
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| 458 | float4 Le;
|
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| 459 | float width = 1.0 / M;
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[1671] | 460 | float d;
|
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[1590] | 461 |
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[1671] | 462 | float kd = 0.3;
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[1590] | 463 |
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[1671] | 464 | //return kd * readCubeMap(SmallEnvMapSampler, N) + lastCenter.x * 0.00000001;
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| 465 |
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[1590] | 466 | for (float x = 0.5; x < M; x++)
|
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| 467 | for (float y = 0.5; y < M; y++)
|
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| 468 | {
|
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| 469 | float2 p, tpos;
|
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| 470 | tpos.x = x * width;
|
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| 471 | tpos.y = y * width;
|
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| 472 |
|
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| 473 | p = tpos.xy;
|
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| 474 | p = 2.0 * p - 1.0; //-1..1
|
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| 475 |
|
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| 476 | I += P2PContr(N, float3(0,0,-1), pos, float3(p.x, p.y, 1), SmallEnvMapSampler, DistanceEnvMapSampler);
|
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| 477 | I += P2PContr(N, float3(0,0,1), pos, float3(-p.x, p.y, -1), SmallEnvMapSampler, DistanceEnvMapSampler);
|
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| 478 | I += P2PContr(N, float3(-1,0,0), pos, float3(1, p.y, -p.x), SmallEnvMapSampler, DistanceEnvMapSampler);
|
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| 479 | I += P2PContr(N, float3(1,0,0), pos, float3(-1, p.y, p.x), SmallEnvMapSampler, DistanceEnvMapSampler);
|
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| 480 | I += P2PContr(N, float3(0,-1,0), pos, float3(p.x, 1, -p.y), SmallEnvMapSampler, DistanceEnvMapSampler);
|
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| 481 | I += P2PContr(N, float3(0,1,0), pos, float3(p.x, -1, p.y), SmallEnvMapSampler, DistanceEnvMapSampler);
|
---|
| 482 | }
|
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| 483 |
|
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| 484 | return kd * I;
|
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[1519] | 485 | } |
---|