Root/
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 | //-----------------------------------------------------------------------------// EnvironmentMapEffect.fx//// Microsoft XNA Community Game Platform// Copyright (C) Microsoft Corporation. All rights reserved.//-----------------------------------------------------------------------------#include "Macros.fxh"DECLARE_TEXTURE(Texture, 0);DECLARE_CUBEMAP(EnvironmentMap, 1);BEGIN_CONSTANTS float3 EnvironmentMapSpecular _ps(c0) _cb(c0); float FresnelFactor _vs(c0) _cb(c0.w); float EnvironmentMapAmount _vs(c1) _cb(c2.w); float4 DiffuseColor _vs(c2) _cb(c1); float3 EmissiveColor _vs(c3) _cb(c2); float3 DirLight0Direction _vs(c4) _cb(c3); float3 DirLight0DiffuseColor _vs(c5) _cb(c4); float3 DirLight1Direction _vs(c6) _cb(c5); float3 DirLight1DiffuseColor _vs(c7) _cb(c6); float3 DirLight2Direction _vs(c8) _cb(c7); float3 DirLight2DiffuseColor _vs(c9) _cb(c8); float3 EyePosition _vs(c10) _cb(c9); float3 FogColor _ps(c1) _cb(c10); float4 FogVector _vs(c11) _cb(c11); float4x4 World _vs(c16) _cb(c12); float3x3 WorldInverseTranspose _vs(c19) _cb(c16);MATRIX_CONSTANTS float4x4 WorldViewProj _vs(c12) _cb(c0);END_CONSTANTS// We don't use these parameters, but Lighting.fxh won't compile without them.#define SpecularPower 0#define SpecularColor float3(0, 0, 0)#define DirLight0SpecularColor float3(0, 0, 0)#define DirLight1SpecularColor float3(0, 0, 0)#define DirLight2SpecularColor float3(0, 0, 0)#include "Structures.fxh"#include "Common.fxh"#include "Lighting.fxh"float ComputeFresnelFactor(float3 eyeVector, float3 worldNormal){ float viewAngle = dot(eyeVector, worldNormal); return pow(max(1 - abs(viewAngle), 0), FresnelFactor) * EnvironmentMapAmount;}VSOutputTxEnvMap ComputeEnvMapVSOutput(VSInputNmTx vin, uniform bool useFresnel, uniform int numLights){ VSOutputTxEnvMap vout; float4 pos_ws = mul(vin.Position, World); float3 eyeVector = normalize(EyePosition - pos_ws.xyz); float3 worldNormal = normalize(mul(vin.Normal, WorldInverseTranspose)); ColorPair lightResult = ComputeLights(eyeVector, worldNormal, numLights); vout.PositionPS = mul(vin.Position, WorldViewProj); vout.Diffuse = float4(lightResult.Diffuse, DiffuseColor.a); if (useFresnel) vout.Specular.rgb = ComputeFresnelFactor(eyeVector, worldNormal); else vout.Specular.rgb = EnvironmentMapAmount; vout.Specular.a = ComputeFogFactor(vin.Position); vout.TexCoord = vin.TexCoord; vout.EnvCoord = reflect(-eyeVector, worldNormal); return vout;}// Vertex shader: basic.VSOutputTxEnvMap VSEnvMap(VSInputNmTx vin){ return ComputeEnvMapVSOutput(vin, false, 3);}// Vertex shader: fresnel.VSOutputTxEnvMap VSEnvMapFresnel(VSInputNmTx vin){ return ComputeEnvMapVSOutput(vin, true, 3);}// Vertex shader: one light.VSOutputTxEnvMap VSEnvMapOneLight(VSInputNmTx vin){ return ComputeEnvMapVSOutput(vin, false, 1);}// Vertex shader: one light, fresnel.VSOutputTxEnvMap VSEnvMapOneLightFresnel(VSInputNmTx vin){ return ComputeEnvMapVSOutput(vin, true, 1);}// Pixel shader: basic.float4 PSEnvMap(PSInputTxEnvMap pin) : SV_Target0{ float4 color = SAMPLE_TEXTURE(Texture, pin.TexCoord) * pin.Diffuse; float4 envmap = SAMPLE_CUBEMAP(EnvironmentMap, pin.EnvCoord) * color.a; color.rgb = lerp(color.rgb, envmap.rgb, pin.Specular.rgb); ApplyFog(color, pin.Specular.w); return color;}// Pixel shader: no fog.float4 PSEnvMapNoFog(PSInputTxEnvMap pin) : SV_Target0{ float4 color = SAMPLE_TEXTURE(Texture, pin.TexCoord) * pin.Diffuse; float4 envmap = SAMPLE_CUBEMAP(EnvironmentMap, pin.EnvCoord) * color.a; color.rgb = lerp(color.rgb, envmap.rgb, pin.Specular.rgb); return color;}// Pixel shader: specular.float4 PSEnvMapSpecular(PSInputTxEnvMap pin) : SV_Target0{ float4 color = SAMPLE_TEXTURE(Texture, pin.TexCoord) * pin.Diffuse; float4 envmap = SAMPLE_CUBEMAP(EnvironmentMap, pin.EnvCoord) * color.a; color.rgb = lerp(color.rgb, envmap.rgb, pin.Specular.rgb); color.rgb += EnvironmentMapSpecular * envmap.a; ApplyFog(color, pin.Specular.w); return color;}// Pixel shader: specular, no fog.float4 PSEnvMapSpecularNoFog(PSInputTxEnvMap pin) : SV_Target0{ float4 color = SAMPLE_TEXTURE(Texture, pin.TexCoord) * pin.Diffuse; float4 envmap = SAMPLE_CUBEMAP(EnvironmentMap, pin.EnvCoord) * color.a; color.rgb = lerp(color.rgb, envmap.rgb, pin.Specular.rgb); color.rgb += EnvironmentMapSpecular * envmap.a; return color;}VertexShader VSArray[4] ={ compile vs_2_0 VSEnvMap(), compile vs_2_0 VSEnvMapFresnel(), compile vs_2_0 VSEnvMapOneLight(), compile vs_2_0 VSEnvMapOneLightFresnel(),};int VSIndices[16] ={ 0, // basic 0, // basic, no fog 1, // fresnel 1, // fresnel, no fog 0, // specular 0, // specular, no fog 1, // fresnel + specular 1, // fresnel + specular, no fog 2, // one light 2, // one light, no fog 3, // one light, fresnel 3, // one light, fresnel, no fog 2, // one light, specular 2, // one light, specular, no fog 3, // one light, fresnel + specular 3, // one light, fresnel + specular, no fog};PixelShader PSArray[4] ={ compile ps_2_0 PSEnvMap(), compile ps_2_0 PSEnvMapNoFog(), compile ps_2_0 PSEnvMapSpecular(), compile ps_2_0 PSEnvMapSpecularNoFog(),};int PSIndices[16] ={ 0, // basic 1, // basic, no fog 0, // fresnel 1, // fresnel, no fog 2, // specular 3, // specular, no fog 2, // fresnel + specular 3, // fresnel + specular, no fog 0, // one light 1, // one light, no fog 0, // one light, fresnel 1, // one light, fresnel, no fog 2, // one light, specular 3, // one light, specular, no fog 2, // one light, fresnel + specular 3, // one light, fresnel + specular, no fog};int ShaderIndex = 0;Technique EnvironmentMapEffect{ Pass { VertexShader = (VSArray[VSIndices[ShaderIndex]]); PixelShader = (PSArray[PSIndices[ShaderIndex]]); }} |
