shader_hlsl.h

   1 "// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n"
   2 "// written by Forest 'LordHavoc' Hale\n"
   3 "// shadowmapping enhancements by Lee 'eihrul' Salzman\n"
   4 "\n"
   5 "// FIXME: we need to get rid of ModelViewProjectionPosition to make room for the texcoord for this\n"
   6 "#if defined(USEREFLECTION)\n"
   7 "#undef USESHADOWMAPORTHO\n"
   8 "#endif\n"
   9 "\n"
  10 "#if defined(USEFOGINSIDE) || defined(USEFOGOUTSIDE) || defined(USEFOGHEIGHTTEXTURE)\n"
  11 "# define USEFOG\n"
  12 "#endif\n"
  13 "#if defined(MODE_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP)\n"
  14 "#define USELIGHTMAP\n"
  15 "#endif\n"
  16 "#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE) || defined(MODE_FAKELIGHT)\n"
  17 "#define USEEYEVECTOR\n"
  18 "#endif\n"
  19 "\n"
  20 "#ifdef FRAGMENT_SHADER\n"
  21 "#ifdef HLSL\n"
  22 "//#undef USESHADOWMAPPCF\n"
  23 "//#define texDepth2D(tex,texcoord) tex2D(tex,texcoord).r\n"
  24 "#define texDepth2D(tex,texcoord) dot(tex2D(tex,texcoord).rgb, float3(1.0, 255.0/65536.0, 255.0/16777216.0))\n"
  25 "#else\n"
  26 "#define texDepth2D(tex,texcoord) tex2D(tex,texcoord).r\n"
  27 "#endif\n"
  28 "#endif\n"
  29 "\n"
  30 "#ifdef VERTEX_SHADER\n"
  31 "#ifdef USETRIPPY\n"
  32 "// LordHavoc: based on shader code linked at: http://www.youtube.com/watch?v=JpksyojwqzE\n"
  33 "// tweaked scale\n"
  34 "float4 TrippyVertex(float4 position)\n"
  35 "(\n"
  36 "uniform float ClientTime : register(c2)\n"
  37 ")\n"
  38 "{\n"
  39 "       float worldTime = ClientTime;\n"
  40 "       // tweaked for Quake\n"
  41 "       worldTime *= 10.0;\n"
  42 "       position *= 0.125;\n"
  43 "       //~tweaked for Quake\n"
  44 "       float distanceSquared = (position.x * position.x + position.z * position.z);\n"
  45 "       position.y += 5.0*sin(distanceSquared*sin(worldTime/143.0)/1000.0);\n"
  46 "       float y = position.y;\n"
  47 "       float x = position.x;\n"
  48 "       float om = sin(distanceSquared*sin(worldTime/256.0)/5000.0) * sin(worldTime/200.0);\n"
  49 "       position.y = x*sin(om)+y*cos(om);\n"
  50 "       position.x = x*cos(om)-y*sin(om);\n"
  51 "       return position;\n"
  52 "}\n"
  53 "#endif\n"
  54 "#endif\n"
  55 "\n"
  56 "#ifdef MODE_DEPTH_OR_SHADOW\n"
  57 "#ifdef VERTEX_SHADER\n"
  58 "void main\n"
  59 "(\n"
  60 "float4 gl_Vertex : POSITION,\n"
  61 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
  62 "out float4 gl_Position : POSITION,\n"
  63 "out float Depth : TEXCOORD0\n"
  64 ")\n"
  65 "{\n"
  66 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
  67 "#ifdef USETRIPPY\n"
  68 "       gl_Position = TrippyVertex(gl_Position);\n"
  69 "#endif\n"
  70 "       Depth = gl_Position.z;\n"
  71 "}\n"
  72 "#endif\n"
  73 "\n"
  74 "#ifdef FRAGMENT_SHADER\n"
  75 "void main\n"
  76 "(\n"
  77 "float Depth : TEXCOORD0,\n"
  78 "out float4 dp_FragColor : COLOR\n"
  79 ")\n"
  80 "{\n"
  81 "//     float4 temp = float4(Depth,Depth*(65536.0/255.0),Depth*(16777216.0/255.0),0.0);\n"
  82 "       float4 temp = float4(Depth,Depth*256.0,Depth*65536.0,0.0);\n"
  83 "       temp.yz -= floor(temp.yz);\n"
  84 "       dp_FragColor = temp;\n"
  85 "//     dp_FragColor = float4(Depth,0,0,0);\n"
  86 "}\n"
  87 "#endif\n"
  88 "#else // !MODE_DEPTH_OR_SHADOW\n"
  89 "\n"
  90 "\n"
  91 "\n"
  92 "\n"
  93 "#ifdef MODE_SHOWDEPTH\n"
  94 "#ifdef VERTEX_SHADER\n"
  95 "void main\n"
  96 "(\n"
  97 "float4 gl_Vertex : POSITION,\n"
  98 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
  99 "out float4 gl_Position : POSITION,\n"
 100 "out float4 gl_FrontColor : COLOR0\n"
 101 ")\n"
 102 "{\n"
 103 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
 104 "#ifdef USETRIPPY\n"
 105 "       gl_Position = TrippyVertex(gl_Position);\n"
 106 "#endif\n"
 107 "       gl_FrontColor = float4(gl_Position.z, gl_Position.z, gl_Position.z, 1.0);\n"
 108 "}\n"
 109 "#endif\n"
 110 "\n"
 111 "#ifdef FRAGMENT_SHADER\n"
 112 "void main\n"
 113 "(\n"
 114 "float4 gl_FrontColor : COLOR0,\n"
 115 "out float4 dp_FragColor : COLOR\n"
 116 ")\n"
 117 "{\n"
 118 "       dp_FragColor = gl_FrontColor;\n"
 119 "}\n"
 120 "#endif\n"
 121 "#else // !MODE_SHOWDEPTH\n"
 122 "\n"
 123 "\n"
 124 "\n"
 125 "\n"
 126 "#ifdef MODE_POSTPROCESS\n"
 127 "\n"
 128 "#ifdef VERTEX_SHADER\n"
 129 "void main\n"
 130 "(\n"
 131 "float4 gl_Vertex : POSITION,\n"
 132 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
 133 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
 134 "float4 gl_MultiTexCoord4 : TEXCOORD4,\n"
 135 "out float4 gl_Position : POSITION,\n"
 136 "out float2 TexCoord1 : TEXCOORD0,\n"
 137 "out float2 TexCoord2 : TEXCOORD1\n"
 138 ")\n"
 139 "{\n"
 140 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
 141 "       TexCoord1 = gl_MultiTexCoord0.xy;\n"
 142 "#ifdef USEBLOOM\n"
 143 "       TexCoord2 = gl_MultiTexCoord4.xy;\n"
 144 "#endif\n"
 145 "}\n"
 146 "#endif\n"
 147 "\n"
 148 "#ifdef FRAGMENT_SHADER\n"
 149 "void main\n"
 150 "(\n"
 151 "float2 TexCoord1 : TEXCOORD0,\n"
 152 "float2 TexCoord2 : TEXCOORD1,\n"
 153 "uniform sampler Texture_First : register(s0),\n"
 154 "#ifdef USEBLOOM\n"
 155 "uniform sampler Texture_Second : register(s1),\n"
 156 "#endif\n"
 157 "#ifdef USEGAMMARAMPS\n"
 158 "uniform sampler Texture_GammaRamps : register(s2),\n"
 159 "#endif\n"
 160 "#ifdef USESATURATION\n"
 161 "uniform float Saturation : register(c30),\n"
 162 "#endif\n"
 163 "#ifdef USEVIEWTINT\n"
 164 "uniform float4 ViewTintColor : register(c41),\n"
 165 "#endif\n"
 166 "uniform float4 UserVec1 : register(c37),\n"
 167 "uniform float4 UserVec2 : register(c38),\n"
 168 "uniform float4 UserVec3 : register(c39),\n"
 169 "uniform float4 UserVec4 : register(c40),\n"
 170 "uniform float ClientTime : register(c2),\n"
 171 "uniform float2 PixelSize : register(c25),\n"
 172 "uniform float4 BloomColorSubtract : register(c43),\n"
 173 "out float4 dp_FragColor : COLOR\n"
 174 ")\n"
 175 "{\n"
 176 "       dp_FragColor = tex2D(Texture_First, TexCoord1);\n"
 177 "#ifdef USEBLOOM\n"
 178 "       dp_FragColor += max(float4(0,0,0,0), tex2D(Texture_Second, TexCoord2) - BloomColorSubtract);\n"
 179 "#endif\n"
 180 "#ifdef USEVIEWTINT\n"
 181 "       dp_FragColor = lerp(dp_FragColor, ViewTintColor, ViewTintColor.a);\n"
 182 "#endif\n"
 183 "\n"
 184 "#ifdef USEPOSTPROCESSING\n"
 185 "// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n"
 186 "// this code does a blur with the radius specified in the first component of r_glsl_postprocess_uservec1 and blends it using the second component\n"
 187 "       float sobel = 1.0;\n"
 188 "       // float2 ts = textureSize(Texture_First, 0);\n"
 189 "       // float2 px = float2(1/ts.x, 1/ts.y);\n"
 190 "       float2 px = PixelSize;\n"
 191 "       float3 x1 = tex2D(Texture_First, TexCoord1 + float2(-px.x, px.y)).rgb;\n"
 192 "       float3 x2 = tex2D(Texture_First, TexCoord1 + float2(-px.x,  0.0)).rgb;\n"
 193 "       float3 x3 = tex2D(Texture_First, TexCoord1 + float2(-px.x,-px.y)).rgb;\n"
 194 "       float3 x4 = tex2D(Texture_First, TexCoord1 + float2( px.x, px.y)).rgb;\n"
 195 "       float3 x5 = tex2D(Texture_First, TexCoord1 + float2( px.x,  0.0)).rgb;\n"
 196 "       float3 x6 = tex2D(Texture_First, TexCoord1 + float2( px.x,-px.y)).rgb;\n"
 197 "       float3 y1 = tex2D(Texture_First, TexCoord1 + float2( px.x,-px.y)).rgb;\n"
 198 "       float3 y2 = tex2D(Texture_First, TexCoord1 + float2(  0.0,-px.y)).rgb;\n"
 199 "       float3 y3 = tex2D(Texture_First, TexCoord1 + float2(-px.x,-px.y)).rgb;\n"
 200 "       float3 y4 = tex2D(Texture_First, TexCoord1 + float2( px.x, px.y)).rgb;\n"
 201 "       float3 y5 = tex2D(Texture_First, TexCoord1 + float2(  0.0, px.y)).rgb;\n"
 202 "       float3 y6 = tex2D(Texture_First, TexCoord1 + float2(-px.x, px.y)).rgb;\n"
 203 "       float px1 = -1.0 * dot(float3(0.3, 0.59, 0.11), x1);\n"
 204 "       float px2 = -2.0 * dot(float3(0.3, 0.59, 0.11), x2);\n"
 205 "       float px3 = -1.0 * dot(float3(0.3, 0.59, 0.11), x3);\n"
 206 "       float px4 =  1.0 * dot(float3(0.3, 0.59, 0.11), x4);\n"
 207 "       float px5 =  2.0 * dot(float3(0.3, 0.59, 0.11), x5);\n"
 208 "       float px6 =  1.0 * dot(float3(0.3, 0.59, 0.11), x6);\n"
 209 "       float py1 = -1.0 * dot(float3(0.3, 0.59, 0.11), y1);\n"
 210 "       float py2 = -2.0 * dot(float3(0.3, 0.59, 0.11), y2);\n"
 211 "       float py3 = -1.0 * dot(float3(0.3, 0.59, 0.11), y3);\n"
 212 "       float py4 =  1.0 * dot(float3(0.3, 0.59, 0.11), y4);\n"
 213 "       float py5 =  2.0 * dot(float3(0.3, 0.59, 0.11), y5);\n"
 214 "       float py6 =  1.0 * dot(float3(0.3, 0.59, 0.11), y6);\n"
 215 "       sobel = 0.25 * abs(px1 + px2 + px3 + px4 + px5 + px6) + 0.25 * abs(py1 + py2 + py3 + py4 + py5 + py6);\n"
 216 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.987688, -0.156434)) * UserVec1.y;\n"
 217 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.156434, -0.891007)) * UserVec1.y;\n"
 218 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2( 0.891007, -0.453990)) * UserVec1.y;\n"
 219 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2( 0.707107,  0.707107)) * UserVec1.y;\n"
 220 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.453990,  0.891007)) * UserVec1.y;\n"
 221 "       dp_FragColor /= (1.0 + 5.0 * UserVec1.y);\n"
 222 "       dp_FragColor.rgb = dp_FragColor.rgb * (1.0 + UserVec2.x) + float3(1,1,1)*max(0.0, sobel - UserVec2.z)*UserVec2.y;\n"
 223 "#endif\n"
 224 "\n"
 225 "#ifdef USESATURATION\n"
 226 "       //apply saturation BEFORE gamma ramps, so v_glslgamma value does not matter\n"
 227 "       float y = dot(dp_FragColor.rgb, float3(0.299, 0.587, 0.114));\n"
 228 "       // 'vampire sight' effect, wheres red is compensated\n"
 229 "       #ifdef SATURATION_REDCOMPENSATE\n"
 230 "               float rboost = max(0.0, (dp_FragColor.r - max(dp_FragColor.g, dp_FragColor.b))*(1.0 - Saturation));\n"
 231 "               dp_FragColor.rgb = lerp(float3(y,y,y), dp_FragColor.rgb, Saturation);\n"
 232 "               dp_FragColor.r += r;\n"
 233 "       #else\n"
 234 "               // normal desaturation\n"
 235 "               //dp_FragColor = float3(y,y,y) + (dp_FragColor.rgb - float3(y)) * Saturation;\n"
 236 "               dp_FragColor.rgb = lerp(float3(y,y,y), dp_FragColor.rgb, Saturation);\n"
 237 "       #endif\n"
 238 "#endif\n"
 239 "\n"
 240 "#ifdef USEGAMMARAMPS\n"
 241 "       dp_FragColor.r = tex2D(Texture_GammaRamps, float2(dp_FragColor.r, 0)).r;\n"
 242 "       dp_FragColor.g = tex2D(Texture_GammaRamps, float2(dp_FragColor.g, 0)).g;\n"
 243 "       dp_FragColor.b = tex2D(Texture_GammaRamps, float2(dp_FragColor.b, 0)).b;\n"
 244 "#endif\n"
 245 "}\n"
 246 "#endif\n"
 247 "#else // !MODE_POSTPROCESS\n"
 248 "\n"
 249 "\n"
 250 "\n"
 251 "\n"
 252 "#ifdef MODE_GENERIC\n"
 253 "#ifdef VERTEX_SHADER\n"
 254 "void main\n"
 255 "(\n"
 256 "float4 gl_Vertex : POSITION,\n"
 257 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
 258 "float4 gl_Color : COLOR0,\n"
 259 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
 260 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n"
 261 "out float4 gl_Position : POSITION,\n"
 262 "#ifdef USEDIFFUSE\n"
 263 "out float2 TexCoord1 : TEXCOORD0,\n"
 264 "#endif\n"
 265 "#ifdef USESPECULAR\n"
 266 "out float2 TexCoord2 : TEXCOORD1,\n"
 267 "#endif\n"
 268 "out float4 gl_FrontColor : COLOR\n"
 269 ")\n"
 270 "{\n"
 271 "       gl_FrontColor = gl_Color;\n"
 272 "#ifdef USEDIFFUSE\n"
 273 "       TexCoord1 = gl_MultiTexCoord0.xy;\n"
 274 "#endif\n"
 275 "#ifdef USESPECULAR\n"
 276 "       TexCoord2 = gl_MultiTexCoord1.xy;\n"
 277 "#endif\n"
 278 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
 279 "#ifdef USETRIPPY\n"
 280 "       gl_Position = TrippyVertex(gl_Position);\n"
 281 "#endif\n"
 282 "}\n"
 283 "#endif\n"
 284 "\n"
 285 "#ifdef FRAGMENT_SHADER\n"
 286 "\n"
 287 "void main\n"
 288 "(\n"
 289 "float4 gl_FrontColor : COLOR0,\n"
 290 "float2 TexCoord1 : TEXCOORD0,\n"
 291 "float2 TexCoord2 : TEXCOORD1,\n"
 292 "#ifdef USEDIFFUSE\n"
 293 "uniform sampler Texture_First : register(s0),\n"
 294 "#endif\n"
 295 "#ifdef USESPECULAR\n"
 296 "uniform sampler Texture_Second : register(s1),\n"
 297 "#endif\n"
 298 "#ifdef USEGAMMARAMPS\n"
 299 "uniform sampler Texture_GammaRamps : register(s2),\n"
 300 "#endif\n"
 301 "out float4 dp_FragColor : COLOR\n"
 302 ")\n"
 303 "{\n"
 304 "#ifdef USEVIEWTINT\n"
 305 "       dp_FragColor = gl_FrontColor;\n"
 306 "#else\n"
 307 "       dp_FragColor = vec4(1.0, 1.0, 1.0, 1.0);\n"
 308 "#endif\n"
 309 "#ifdef USEDIFFUSE\n"
 310 "# ifdef USEREFLECTCUBE\n"
 311 "       // suppress texture alpha\n"
 312 "       dp_FragColor.rgb *= tex2D(Texture_First, TexCoord1).rgb;\n"
 313 "# else\n"
 314 "       dp_FragColor *= tex2D(Texture_First, TexCoord1);\n"
 315 "# endif\n"
 316 "#endif\n"
 317 "\n"
 318 "#ifdef USESPECULAR\n"
 319 "       float4 tex2 = tex2D(Texture_Second, TexCoord2);\n"
 320 "# ifdef USECOLORMAPPING\n"
 321 "       dp_FragColor *= tex2;\n"
 322 "# endif\n"
 323 "# ifdef USEGLOW\n"
 324 "       dp_FragColor += tex2;\n"
 325 "# endif\n"
 326 "# ifdef USEVERTEXTEXTUREBLEND\n"
 327 "       dp_FragColor = lerp(dp_FragColor, tex2, tex2.a);\n"
 328 "# endif\n"
 329 "#endif\n"
 330 "#ifdef USEGAMMARAMPS\n"
 331 "       dp_FragColor.r = tex2D(Texture_GammaRamps, vec2(dp_FragColor.r, 0)).r;\n"
 332 "       dp_FragColor.g = tex2D(Texture_GammaRamps, vec2(dp_FragColor.g, 0)).g;\n"
 333 "       dp_FragColor.b = tex2D(Texture_GammaRamps, vec2(dp_FragColor.b, 0)).b;\n"
 334 "#endif\n"
 335 "}\n"
 336 "#endif\n"
 337 "#else // !MODE_GENERIC\n"
 338 "\n"
 339 "\n"
 340 "\n"
 341 "\n"
 342 "#ifdef MODE_BLOOMBLUR\n"
 343 "#ifdef VERTEX_SHADER\n"
 344 "void main\n"
 345 "(\n"
 346 "float4 gl_Vertex : POSITION,\n"
 347 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
 348 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
 349 "out float4 gl_Position : POSITION,\n"
 350 "out float2 TexCoord : TEXCOORD0\n"
 351 ")\n"
 352 "{\n"
 353 "       TexCoord = gl_MultiTexCoord0.xy;\n"
 354 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
 355 "}\n"
 356 "#endif\n"
 357 "\n"
 358 "#ifdef FRAGMENT_SHADER\n"
 359 "\n"
 360 "void main\n"
 361 "(\n"
 362 "float2 TexCoord : TEXCOORD0,\n"
 363 "uniform sampler Texture_First : register(s0),\n"
 364 "uniform float4 BloomBlur_Parameters : register(c1),\n"
 365 "out float4 dp_FragColor : COLOR\n"
 366 ")\n"
 367 "{\n"
 368 "       int i;\n"
 369 "       float2 tc = TexCoord;\n"
 370 "       float3 color = tex2D(Texture_First, tc).rgb;\n"
 371 "       tc += BloomBlur_Parameters.xy;\n"
 372 "       for (i = 1;i < SAMPLES;i++)\n"
 373 "       {\n"
 374 "               color += tex2D(Texture_First, tc).rgb;\n"
 375 "               tc += BloomBlur_Parameters.xy;\n"
 376 "       }\n"
 377 "       dp_FragColor = float4(color * BloomBlur_Parameters.z + float3(BloomBlur_Parameters.w), 1);\n"
 378 "}\n"
 379 "#endif\n"
 380 "#else // !MODE_BLOOMBLUR\n"
 381 "#ifdef MODE_REFRACTION\n"
 382 "#ifdef VERTEX_SHADER\n"
 383 "void main\n"
 384 "(\n"
 385 "float4 gl_Vertex : POSITION,\n"
 386 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
 387 "#ifdef USEALPHAGENVERTEX\n"
 388 "float4 gl_Color : COLOR0,\n"
 389 "#endif\n"
 390 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
 391 "uniform float4x4 TexMatrix : register(c0),\n"
 392 "uniform float3 EyePosition : register(c24),\n"
 393 "#ifdef USEALPHAGENVERTEX\n"
 394 "out float4 gl_FrontColor : COLOR,\n"
 395 "#endif\n"
 396 "out float4 gl_Position : POSITION,\n"
 397 "out float2 TexCoord : TEXCOORD0,\n"
 398 "out float3 EyeVector : TEXCOORD1,\n"
 399 "out float4 ModelViewProjectionPosition : TEXCOORD2\n"
 400 ")\n"
 401 "{\n"
 402 "#ifdef USEALPHAGENVERTEX\n"
 403 "       gl_FrontColor = gl_Color;\n"
 404 "#endif\n"
 405 "       TexCoord = mul(TexMatrix, gl_MultiTexCoord0).xy;\n"
 406 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
 407 "       ModelViewProjectionPosition = gl_Position;\n"
 408 "#ifdef USETRIPPY\n"
 409 "       gl_Position = TrippyVertex(gl_Position);\n"
 410 "#endif\n"
 411 "}\n"
 412 "#endif\n"
 413 "\n"
 414 "#ifdef FRAGMENT_SHADER\n"
 415 "void main\n"
 416 "(\n"
 417 "#ifdef USEALPHAGENVERTEX\n"
 418 "float4 gl_FrontColor : COLOR,\n"
 419 "#endif\n"
 420 "float2 TexCoord : TEXCOORD0,\n"
 421 "float3 EyeVector : TEXCOORD1,\n"
 422 "float4 ModelViewProjectionPosition : TEXCOORD2,\n"
 423 "uniform sampler Texture_Normal : register(s0),\n"
 424 "uniform sampler Texture_Refraction : register(s3),\n"
 425 "uniform sampler Texture_Reflection : register(s7),\n"
 426 "uniform float4 DistortScaleRefractReflect : register(c14),\n"
 427 "uniform float4 ScreenScaleRefractReflect : register(c32),\n"
 428 "uniform float4 ScreenCenterRefractReflect : register(c31),\n"
 429 "uniform float4 RefractColor : register(c29),\n"
 430 "out float4 dp_FragColor : COLOR\n"
 431 ")\n"
 432 "{\n"
 433 "       float2 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect.xy * (1.0 / ModelViewProjectionPosition.w);\n"
 434 "       //float2 ScreenTexCoord = (ModelViewProjectionPosition.xy + normalize(tex2D(Texture_Normal, TexCoord).rgb - float3(0.5,0.5,0.5)).xy * DistortScaleRefractReflect.xy * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
 435 "       float2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
 436 "#ifdef USEALPHAGENVERTEX\n"
 437 "       float2 distort = DistortScaleRefractReflect.xy * gl_FrontColor.a;\n"
 438 "       float4 refractcolor = mix(RefractColor, vec4(1.0, 1.0, 1.0, 1.0), gl_FrontColor.a);\n"
 439 "#else\n"
 440 "       float2 distort = DistortScaleRefractReflect.xy;\n"
 441 "       float4 refractcolor = RefractColor;\n"
 442 "#endif\n"
 443 "       float2 ScreenTexCoord = SafeScreenTexCoord + normalize(tex2D(Texture_Normal, TexCoord).rgb - float3(0.5,0.5,0.5)).xy * distort;\n"
 444 "       // FIXME temporary hack to detect the case that the reflection\n"
 445 "       // gets blackened at edges due to leaving the area that contains actual\n"
 446 "       // content.\n"
 447 "       // Remove this 'ack once we have a better way to stop this thing from\n"
 448 "       // 'appening.\n"
 449 "       float f = min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(0.01, 0.01)).rgb) / 0.05);\n"
 450 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(0.01, -0.01)).rgb) / 0.05);\n"
 451 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(-0.01, 0.01)).rgb) / 0.05);\n"
 452 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(-0.01, -0.01)).rgb) / 0.05);\n"
 453 "       ScreenTexCoord = lerp(SafeScreenTexCoord, ScreenTexCoord, f);\n"
 454 "       dp_FragColor = float4(tex2D(Texture_Refraction, ScreenTexCoord).rgb, 1) * refractcolor;\n"
 455 "}\n"
 456 "#endif\n"
 457 "#else // !MODE_REFRACTION\n"
 458 "\n"
 459 "\n"
 460 "\n"
 461 "\n"
 462 "#ifdef MODE_WATER\n"
 463 "#ifdef VERTEX_SHADER\n"
 464 "\n"
 465 "void main\n"
 466 "(\n"
 467 "float4 gl_Vertex : POSITION,\n"
 468 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
 469 "#ifdef USEALPHAGENVERTEX\n"
 470 "float4 gl_Color : COLOR0,\n"
 471 "#endif\n"
 472 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
 473 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n"
 474 "float4 gl_MultiTexCoord2 : TEXCOORD2,\n"
 475 "float4 gl_MultiTexCoord3 : TEXCOORD3,\n"
 476 "uniform float4x4 TexMatrix : register(c0),\n"
 477 "uniform float3 EyePosition : register(c24),\n"
 478 "#ifdef USEALPHAGENVERTEX\n"
 479 "out float4 gl_FrontColor : COLOR,\n"
 480 "#endif\n"
 481 "out float4 gl_Position : POSITION,\n"
 482 "out float2 TexCoord : TEXCOORD0,\n"
 483 "out float3 EyeVector : TEXCOORD1,\n"
 484 "out float4 ModelViewProjectionPosition : TEXCOORD2\n"
 485 ")\n"
 486 "{\n"
 487 "#ifdef USEALPHAGENVERTEX\n"
 488 "       gl_FrontColor = gl_Color;\n"
 489 "#endif\n"
 490 "       TexCoord = mul(TexMatrix, gl_MultiTexCoord0).xy;\n"
 491 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
 492 "       EyeVector = float3(dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz));\n"
 493 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
 494 "       ModelViewProjectionPosition = gl_Position;\n"
 495 "#ifdef USETRIPPY\n"
 496 "       gl_Position = TrippyVertex(gl_Position);\n"
 497 "#endif\n"
 498 "}\n"
 499 "#endif\n"
 500 "\n"
 501 "#ifdef FRAGMENT_SHADER\n"
 502 "void main\n"
 503 "(\n"
 504 "#ifdef USEALPHAGENVERTEX\n"
 505 "float4 gl_FrontColor : COLOR,\n"
 506 "#endif\n"
 507 "float2 TexCoord : TEXCOORD0,\n"
 508 "float3 EyeVector : TEXCOORD1,\n"
 509 "float4 ModelViewProjectionPosition : TEXCOORD2,\n"
 510 "uniform sampler Texture_Normal : register(s0),\n"
 511 "uniform sampler Texture_Refraction : register(s3),\n"
 512 "uniform sampler Texture_Reflection : register(s7),\n"
 513 "uniform float4 DistortScaleRefractReflect : register(c14),\n"
 514 "uniform float4 ScreenScaleRefractReflect : register(c32),\n"
 515 "uniform float4 ScreenCenterRefractReflect : register(c31),\n"
 516 "uniform float4 RefractColor : register(c29),\n"
 517 "uniform float4 ReflectColor : register(c26),\n"
 518 "uniform float ReflectFactor : register(c27),\n"
 519 "uniform float ReflectOffset : register(c28),\n"
 520 "out float4 dp_FragColor : COLOR\n"
 521 ")\n"
 522 "{\n"
 523 "       float4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
 524 "       //float4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(tex2D(Texture_Normal, TexCoord).rgb - float3(0.5,0.5,0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 525 "       float4 SafeScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 526 "       //SafeScreenTexCoord = gl_FragCoord.xyxy * float4(1.0 / 1920.0, 1.0 / 1200.0, 1.0 / 1920.0, 1.0 / 1200.0);\n"
 527 "#ifdef USEALPHAGENVERTEX\n"
 528 "       float4 distort = DistortScaleRefractReflect * gl_FrontColor.a;\n"
 529 "       float reflectoffset = ReflectOffset * gl_FrontColor.a;\n"
 530 "       float reflectfactor = ReflectFactor * gl_FrontColor.a;\n"
 531 "       float4 refractcolor = mix(RefractColor, vec4(1.0, 1.0, 1.0, 1.0), gl_FrontColor.a);\n"
 532 "#else\n"
 533 "       float4 distort = DistortScaleRefractReflect;\n"
 534 "       float reflectoffset = ReflectOffset;\n"
 535 "       float reflectfactor = ReflectFactor;\n"
 536 "       float4 refractcolor = RefractColor;\n"
 537 "#endif\n"
 538 "       float4 ScreenTexCoord = SafeScreenTexCoord + float2(normalize(tex2D(Texture_Normal, TexCoord).rgb - float3(0.5,0.5,0.5)).xy).xyxy * distort;\n"
 539 "       // FIXME temporary hack to detect the case that the reflection\n"
 540 "       // gets blackened at edges due to leaving the area that contains actual\n"
 541 "       // content.\n"
 542 "       // Remove this 'ack once we have a better way to stop this thing from\n"
 543 "       // 'appening.\n"
 544 "       float f = min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(0.01, 0.01)).rgb) / 0.05);\n"
 545 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(0.01, -0.01)).rgb) / 0.05);\n"
 546 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(-0.01, 0.01)).rgb) / 0.05);\n"
 547 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(-0.01, -0.01)).rgb) / 0.05);\n"
 548 "       ScreenTexCoord.xy = lerp(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f);\n"
 549 "       f  = min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(0.01, 0.01)).rgb) / 0.05);\n"
 550 "       f *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(0.01, -0.01)).rgb) / 0.05);\n"
 551 "       f *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(-0.01, 0.01)).rgb) / 0.05);\n"
 552 "       f *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(-0.01, -0.01)).rgb) / 0.05);\n"
 553 "       ScreenTexCoord.zw = lerp(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
 554 "       float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * reflectfactor + reflectoffset;\n"
 555 "       dp_FragColor = lerp(float4(tex2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * refractcolor, float4(tex2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n"
 556 "}\n"
 557 "#endif\n"
 558 "#else // !MODE_WATER\n"
 559 "\n"
 560 "\n"
 561 "\n"
 562 "\n"
 563 "// TODO: get rid of tangentt (texcoord2) and use a crossproduct to regenerate it from tangents (texcoord1) and normal (texcoord3), this would require sending a 4 component texcoord1 with W as 1 or -1 according to which side the texcoord2 should be on\n"
 564 "\n"
 565 "// fragment shader specific:\n"
 566 "#ifdef FRAGMENT_SHADER\n"
 567 "\n"
 568 "#ifdef USEFOG\n"
 569 "float3 FogVertex(float4 surfacecolor, float3 FogColor, float3 EyeVectorModelSpace, float FogPlaneVertexDist, float FogRangeRecip, float FogPlaneViewDist, float FogHeightFade, sampler Texture_FogMask, sampler Texture_FogHeightTexture)\n"
 570 "{\n"
 571 "       float fogfrac;\n"
 572 "       float3 fc = FogColor;\n"
 573 "#ifdef USEFOGALPHAHACK\n"
 574 "       fc *= surfacecolor.a;\n"
 575 "#endif\n"
 576 "#ifdef USEFOGHEIGHTTEXTURE\n"
 577 "       float4 fogheightpixel = tex2D(Texture_FogHeightTexture, float2(1,1) + float2(FogPlaneVertexDist, FogPlaneViewDist) * (-2.0 * FogHeightFade));\n"
 578 "       fogfrac = fogheightpixel.a;\n"
 579 "       return lerp(fogheightpixel.rgb * fc, surfacecolor.rgb, tex2D(Texture_FogMask, float2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n"
 580 "#else\n"
 581 "# ifdef USEFOGOUTSIDE\n"
 582 "       fogfrac = min(0.0, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0, min(0.0, FogPlaneVertexDist) * FogHeightFade);\n"
 583 "# else\n"
 584 "       fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0, FogPlaneVertexDist)) * min(1.0, (min(0.0, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);\n"
 585 "# endif\n"
 586 "       return lerp(fc, surfacecolor.rgb, tex2D(Texture_FogMask, float2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n"
 587 "#endif\n"
 588 "}\n"
 589 "#endif\n"
 590 "\n"
 591 "#ifdef USEOFFSETMAPPING\n"
 592 "float2 OffsetMapping(float2 TexCoord, float4 OffsetMapping_ScaleSteps, float OffsetMapping_Bias, float OffsetMapping_LodDistance, float3 EyeVector, sampler Texture_Normal, float2 dPdx, float2 dPdy)\n"
 593 "{\n"
 594 "       float i;\n"
 595 "       // distance-based LOD\n"
 596 "#ifdef USEOFFSETMAPPING_LOD\n"
 597 "       float LODFactor = min(1.0, OffsetMapping_LodDistance / EyeVectorFogDepth.z);\n"
 598 "       mediump vec4 ScaleSteps = float4(OffsetMapping_ScaleSteps.x, OffsetMapping_ScaleSteps.y * LODFactor, OffsetMapping_ScaleSteps.z / LODFactor, OffsetMapping_ScaleSteps.w * LODFactor);\n"
 599 "#else\n"
 600 "       #define ScaleSteps OffsetMapping_ScaleSteps\n"
 601 "#endif\n"
 602 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n"
 603 "       // 14 sample relief mapping: linear search and then binary search\n"
 604 "       // this basically steps forward a small amount repeatedly until it finds\n"
 605 "       // itself inside solid, then jitters forward and back using decreasing\n"
 606 "       // amounts to find the impact\n"
 607 "       //float3 OffsetVector = float3(EyeVector.xy * ((1.0 / EyeVector.z) * ScaleSteps.x) * float2(-1, 1), -1);\n"
 608 "       //float3 OffsetVector = float3(normalize(EyeVector.xy) * ScaleSteps.x * float2(-1, 1), -1);\n"
 609 "       float3 OffsetVector = float3(normalize(EyeVector).xy * ScaleSteps.x * float2(-1, 1), -1);\n"
 610 "       float3 RT = float3(float2(TexCoord.xy - OffsetVector.xy*OffsetMapping_Bias), 1);\n"
 611 "       OffsetVector *= ScaleSteps.z;\n"
 612 "       for(i = 1.0; i < ScaleSteps.y; ++i)\n"
 613 "               RT += OffsetVector *  step(tex2Dgrad(Texture_Normal, RT.xy, dPdx, dPdy).a, RT.z);\n"
 614 "       for(i = 0.0, f = 1.0; i < ScaleSteps.w; ++i, f *= 0.5)\n"
 615 "               RT += OffsetVector * (step(tex2Dgrad(Texture_Normal, RT.xy, dPdx, dPdy).a, RT.z) * f - 0.5 * f);\n"
 616 "       return RT.xy;\n"
 617 "#else\n"
 618 "       // 2 sample offset mapping (only 2 samples because of ATI Radeon 9500-9800/X300 limits)\n"
 619 "       //float2 OffsetVector = float2(EyeVector.xy * ((1.0 / EyeVector.z) * ScaleSteps.x) * float2(-1, 1));\n"
 620 "       //float2 OffsetVector = float2(normalize(EyeVector.xy) * ScaleSteps.x * float2(-1, 1));\n"
 621 "       float2 OffsetVector = float2(normalize(EyeVector).xy * ScaleSteps.x * float2(-1, 1));\n"
 622 "       OffsetVector *= ScaleSteps.z;\n"
 623 "       for(i = 0.0; i < ScaleSteps.y; ++i)\n"
 624 "               TexCoord += OffsetVector * ((1.0 - OffsetMapping_Bias) - tex2Dgrad(Texture_Normal, TexCoord, dPdx, dPdy).a);\n"
 625 "       return TexCoord;\n"
 626 "#endif\n"
 627 "}\n"
 628 "#endif // USEOFFSETMAPPING\n"
 629 "\n"
 630 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USESHADOWMAPORTHO)\n"
 631 "#if defined(USESHADOWMAP2D)\n"
 632 "# ifdef USESHADOWMAPORTHO\n"
 633 "#  define GetShadowMapTC2D(dir, ShadowMap_Parameters) (min(dir, ShadowMap_Parameters.xyz))\n"
 634 "# else\n"
 635 "#  ifdef USESHADOWMAPVSDCT\n"
 636 "float3 GetShadowMapTC2D(float3 dir, float4 ShadowMap_Parameters, samplerCUBE Texture_CubeProjection)\n"
 637 "{\n"
 638 "       float3 adir = abs(dir);\n"
 639 "       float2 mparams = ShadowMap_Parameters.xy / max(max(adir.x, adir.y), adir.z);\n"
 640 "       float4 proj = texCUBE(Texture_CubeProjection, dir);\n"
 641 "       return float3(lerp(dir.xy, dir.zz, proj.xy) * mparams.x + proj.zw * ShadowMap_Parameters.z, mparams.y + ShadowMap_Parameters.w);\n"
 642 "}\n"
 643 "#  else\n"
 644 "float3 GetShadowMapTC2D(float3 dir, float4 ShadowMap_Parameters)\n"
 645 "{\n"
 646 "       float3 adir = abs(dir);\n"
 647 "       float m; float4 proj;\n"
 648 "       if (adir.x > adir.y) { m = adir.x; proj = float4(dir.zyx, 0.5); } else { m = adir.y; proj = float4(dir.xzy, 1.5); }\n"
 649 "       if (adir.z > m) { m = adir.z; proj = float4(dir, 2.5); }\n"
 650 "#ifdef HLSL\n"
 651 "       return float3(proj.xy * ShadowMap_Parameters.x / m + float2(0.5,0.5) + float2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, m + 64 * ShadowMap_Parameters.w);\n"
 652 "#else\n"
 653 "       float2 mparams = ShadowMap_Parameters.xy / m;\n"
 654 "       return float3(proj.xy * mparams.x + float2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, mparams.y + ShadowMap_Parameters.w);\n"
 655 "#endif\n"
 656 "}\n"
 657 "#  endif\n"
 658 "# endif\n"
 659 "#endif // defined(USESHADOWMAP2D)\n"
 660 "\n"
 661 "# ifdef USESHADOWMAP2D\n"
 662 "#ifdef USESHADOWMAPVSDCT\n"
 663 "float ShadowMapCompare(float3 dir, sampler Texture_ShadowMap2D, float4 ShadowMap_Parameters, float2 ShadowMap_TextureScale, samplerCUBE Texture_CubeProjection)\n"
 664 "#else\n"
 665 "float ShadowMapCompare(float3 dir, sampler Texture_ShadowMap2D, float4 ShadowMap_Parameters, float2 ShadowMap_TextureScale)\n"
 666 "#endif\n"
 667 "{\n"
 668 "#ifdef USESHADOWMAPVSDCT\n"
 669 "       float3 shadowmaptc = GetShadowMapTC2D(dir, ShadowMap_Parameters, Texture_CubeProjection);\n"
 670 "#else\n"
 671 "       float3 shadowmaptc = GetShadowMapTC2D(dir, ShadowMap_Parameters);\n"
 672 "#endif\n"
 673 "       float f;\n"
 674 "\n"
 675 "#  ifdef USESHADOWSAMPLER\n"
 676 "#    ifdef USESHADOWMAPPCF\n"
 677 "#      define texval(x, y) tex2Dproj(Texture_ShadowMap2D, float4(center + float2(x, y)*ShadowMap_TextureScale, shadowmaptc.z, 1.0)).r  \n"
 678 "       float2 center = shadowmaptc.xy*ShadowMap_TextureScale;\n"
 679 "       f = dot(float4(0.25,0.25,0.25,0.25), float4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
 680 "#    else\n"
 681 "       f = tex2Dproj(Texture_ShadowMap2D, float4(shadowmaptc.xy*ShadowMap_TextureScale, shadowmaptc.z, 1.0)).r;\n"
 682 "#    endif\n"
 683 "#  else\n"
 684 "#    ifdef USESHADOWMAPPCF\n"
 685 "#     if defined(GL_ARB_texture_gather) || defined(GL_AMD_texture_texture4)\n"
 686 "#      ifdef GL_ARB_texture_gather\n"
 687 "#        define texval(x, y) textureGatherOffset(Texture_ShadowMap2D, center, int2(x, y))\n"
 688 "#      else\n"
 689 "#        define texval(x, y) texture4(Texture_ShadowMap2D, center + float2(x, y)*ShadowMap_TextureScale)\n"
 690 "#      endif\n"
 691 "       float2 offset = frac(shadowmaptc.xy - 0.5), center = (shadowmaptc.xy - offset)*ShadowMap_TextureScale;\n"
 692 "#      if USESHADOWMAPPCF > 1\n"
 693 "       float4 group1 = step(shadowmaptc.z, texval(-2.0, -2.0));\n"
 694 "       float4 group2 = step(shadowmaptc.z, texval( 0.0, -2.0));\n"
 695 "       float4 group3 = step(shadowmaptc.z, texval( 2.0, -2.0));\n"
 696 "       float4 group4 = step(shadowmaptc.z, texval(-2.0,  0.0));\n"
 697 "       float4 group5 = step(shadowmaptc.z, texval( 0.0,  0.0));\n"
 698 "       float4 group6 = step(shadowmaptc.z, texval( 2.0,  0.0));\n"
 699 "       float4 group7 = step(shadowmaptc.z, texval(-2.0,  2.0));\n"
 700 "       float4 group8 = step(shadowmaptc.z, texval( 0.0,  2.0));\n"
 701 "       float4 group9 = step(shadowmaptc.z, texval( 2.0,  2.0));\n"
 702 "       float4 locols = float4(group1.ab, group3.ab);\n"
 703 "       float4 hicols = float4(group7.rg, group9.rg);\n"
 704 "       locols.yz += group2.ab;\n"
 705 "       hicols.yz += group8.rg;\n"
 706 "       float4 midcols = float4(group1.rg, group3.rg) + float4(group7.ab, group9.ab) +\n"
 707 "                               float4(group4.rg, group6.rg) + float4(group4.ab, group6.ab) +\n"
 708 "                               lerp(locols, hicols, offset.y);\n"
 709 "       float4 cols = group5 + float4(group2.rg, group8.ab);\n"
 710 "       cols.xyz += lerp(midcols.xyz, midcols.yzw, offset.x);\n"
 711 "       f = dot(cols, float4(1.0/25.0));\n"
 712 "#      else\n"
 713 "       float4 group1 = step(shadowmaptc.z, texval(-1.0, -1.0));\n"
 714 "       float4 group2 = step(shadowmaptc.z, texval( 1.0, -1.0));\n"
 715 "       float4 group3 = step(shadowmaptc.z, texval(-1.0,  1.0));\n"
 716 "       float4 group4 = step(shadowmaptc.z, texval( 1.0,  1.0));\n"
 717 "       float4 cols = float4(group1.rg, group2.rg) + float4(group3.ab, group4.ab) +\n"
 718 "                               lerp(float4(group1.ab, group2.ab), float4(group3.rg, group4.rg), offset.y);\n"
 719 "       f = dot(lerp(cols.xyz, cols.yzw, offset.x), float3(1.0/9.0));\n"
 720 "#      endif\n"
 721 "#     else\n"
 722 "#      ifdef GL_EXT_gpu_shader4\n"
 723 "#        define texval(x, y) tex2DOffset(Texture_ShadowMap2D, center, int2(x, y)).r\n"
 724 "#      else\n"
 725 "#        define texval(x, y) texDepth2D(Texture_ShadowMap2D, center + float2(x, y)*ShadowMap_TextureScale).r  \n"
 726 "#      endif\n"
 727 "#      if USESHADOWMAPPCF > 1\n"
 728 "       float2 center = shadowmaptc.xy - 0.5, offset = frac(center);\n"
 729 "       center *= ShadowMap_TextureScale;\n"
 730 "       float4 row1 = step(shadowmaptc.z, float4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
 731 "       float4 row2 = step(shadowmaptc.z, float4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
 732 "       float4 row3 = step(shadowmaptc.z, float4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
 733 "       float4 row4 = step(shadowmaptc.z, float4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
 734 "       float4 cols = row2 + row3 + lerp(row1, row4, offset.y);\n"
 735 "       f = dot(lerp(cols.xyz, cols.yzw, offset.x), float3(1.0/9.0));\n"
 736 "#      else\n"
 737 "       float2 center = shadowmaptc.xy*ShadowMap_TextureScale, offset = frac(shadowmaptc.xy);\n"
 738 "       float3 row1 = step(shadowmaptc.z, float3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
 739 "       float3 row2 = step(shadowmaptc.z, float3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
 740 "       float3 row3 = step(shadowmaptc.z, float3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
 741 "       float3 cols = row2 + lerp(row1, row3, offset.y);\n"
 742 "       f = dot(lerp(cols.xy, cols.yz, offset.x), float2(0.25,0.25));\n"
 743 "#      endif\n"
 744 "#     endif\n"
 745 "#    else\n"
 746 "       f = step(shadowmaptc.z, tex2D(Texture_ShadowMap2D, shadowmaptc.xy*ShadowMap_TextureScale).r);\n"
 747 "#    endif\n"
 748 "#  endif\n"
 749 "#  ifdef USESHADOWMAPORTHO\n"
 750 "       return lerp(ShadowMap_Parameters.w, 1.0, f);\n"
 751 "#  else\n"
 752 "       return f;\n"
 753 "#  endif\n"
 754 "}\n"
 755 "# endif\n"
 756 "#endif // !defined(MODE_LIGHTSOURCE) && !defined(MODE_DEFERREDLIGHTSOURCE) && !defined(USESHADOWMAPORTHO)\n"
 757 "#endif // FRAGMENT_SHADER\n"
 758 "\n"
 759 "\n"
 760 "\n"
 761 "\n"
 762 "#ifdef MODE_DEFERREDGEOMETRY\n"
 763 "#ifdef VERTEX_SHADER\n"
 764 "void main\n"
 765 "(\n"
 766 "float4 gl_Vertex : POSITION,\n"
 767 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
 768 "#ifdef USEVERTEXTEXTUREBLEND\n"
 769 "float4 gl_Color : COLOR0,\n"
 770 "#endif\n"
 771 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
 772 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n"
 773 "float4 gl_MultiTexCoord2 : TEXCOORD2,\n"
 774 "float4 gl_MultiTexCoord3 : TEXCOORD3,\n"
 775 "uniform float4x4 TexMatrix : register(c0),\n"
 776 "#ifdef USEVERTEXTEXTUREBLEND\n"
 777 "uniform float4x4 BackgroundTexMatrix : register(c4),\n"
 778 "#endif\n"
 779 "uniform float4x4 ModelViewMatrix : register(c12),\n"
 780 "#ifdef USEOFFSETMAPPING\n"
 781 "uniform float3 EyePosition : register(c24),\n"
 782 "#endif\n"
 783 "out float4 gl_Position : POSITION,\n"
 784 "#ifdef USEVERTEXTEXTUREBLEND\n"
 785 "out float4 gl_FrontColor : COLOR,\n"
 786 "#endif\n"
 787 "out float4 TexCoordBoth : TEXCOORD0,\n"
 788 "#ifdef USEOFFSETMAPPING\n"
 789 "out float3 EyeVector : TEXCOORD2,\n"
 790 "#endif\n"
 791 "out float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n"
 792 "out float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n"
 793 "out float4 VectorR : TEXCOORD7 // direction of R texcoord (surface normal), Depth value\n"
 794 ")\n"
 795 "{\n"
 796 "       TexCoordBoth = mul(TexMatrix, gl_MultiTexCoord0);\n"
 797 "#ifdef USEVERTEXTEXTUREBLEND\n"
 798 "       gl_FrontColor = gl_Color;\n"
 799 "       TexCoordBoth.zw = float2(Backgroundmul(TexMatrix, gl_MultiTexCoord0));\n"
 800 "#endif\n"
 801 "\n"
 802 "       // transform unnormalized eye direction into tangent space\n"
 803 "#ifdef USEOFFSETMAPPING\n"
 804 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
 805 "       EyeVector = float3(dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz));\n"
 806 "#endif\n"
 807 "\n"
 808 "       VectorS = mul(ModelViewMatrix, float4(gl_MultiTexCoord1.xyz, 0)).xyz;\n"
 809 "       VectorT = mul(ModelViewMatrix, float4(gl_MultiTexCoord2.xyz, 0)).xyz;\n"
 810 "       VectorR.xyz = mul(ModelViewMatrix, float4(gl_MultiTexCoord3.xyz, 0)).xyz;\n"
 811 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
 812 "#ifdef USETRIPPY\n"
 813 "       gl_Position = TrippyVertex(gl_Position);\n"
 814 "#endif\n"
 815 "       VectorR.w = mul(ModelViewMatrix, gl_Vertex).z;\n"
 816 "}\n"
 817 "#endif // VERTEX_SHADER\n"
 818 "\n"
 819 "#ifdef FRAGMENT_SHADER\n"
 820 "void main\n"
 821 "(\n"
 822 "float4 TexCoordBoth : TEXCOORD0,\n"
 823 "float3 EyeVector : TEXCOORD2,\n"
 824 "float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n"
 825 "float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n"
 826 "float4 VectorR : TEXCOORD7, // direction of R texcoord (surface normal), Depth value\n"
 827 "uniform sampler Texture_Normal : register(s0),\n"
 828 "#ifdef USEALPHAKILL\n"
 829 "uniform sampler Texture_Color : register(s1),\n"
 830 "#endif\n"
 831 "uniform sampler Texture_Gloss : register(s2),\n"
 832 "#ifdef USEVERTEXTEXTUREBLEND\n"
 833 "uniform sampler Texture_SecondaryNormal : register(s4),\n"
 834 "uniform sampler Texture_SecondaryGloss : register(s6),\n"
 835 "#endif\n"
 836 "#ifdef USEOFFSETMAPPING\n"
 837 "uniform float4 OffsetMapping_ScaleSteps : register(c24),\n"
 838 "uniform float4 OffsetMapping_LodDistance : register(c53),\n"
 839 "uniform float OffsetMapping_Bias : register(c54),\n"
 840 "#endif\n"
 841 "uniform half SpecularPower : register(c36),\n"
 842 "out float4 dp_FragColor : COLOR\n"
 843 ")\n"
 844 "{\n"
 845 "       float2 TexCoord = TexCoordBoth.xy;\n"
 846 "#ifdef USEOFFSETMAPPING\n"
 847 "       // apply offsetmapping\n"
 848 "       float2 dPdx = ddx(TexCoord);\n"
 849 "       float2 dPdy = ddy(TexCoord);\n"
 850 "       float2 TexCoordOffset = OffsetMapping(TexCoord, OffsetMapping_ScaleSteps, OffsetMapping_Bias, OffsetMapping_LodDistance, EyeVector, Texture_Normal, dPdx, dPdy);\n"
 851 "# define offsetMappedTexture2D(t) tex2Dgrad(t, TexCoordOffset, dPdx, dPdy)\n"
 852 "#else\n"
 853 "# define offsetMappedTexture2D(t) tex2D(t, TexCoord)\n"
 854 "#endif\n"
 855 "\n"
 856 "#ifdef USEALPHAKILL\n"
 857 "       if (offsetMappedTexture2D(Texture_Color).a < 0.5)\n"
 858 "               discard;\n"
 859 "#endif\n"
 860 "\n"
 861 "#ifdef USEVERTEXTEXTUREBLEND\n"
 862 "       float alpha = offsetMappedTexture2D(Texture_Color).a;\n"
 863 "       float terrainblend = clamp(float(gl_FrontColor.a) * alpha * 2.0 - 0.5, float(0.0), float(1.0));\n"
 864 "       //float terrainblend = min(float(gl_FrontColor.a) * alpha * 2.0, float(1.0));\n"
 865 "       //float terrainblend = float(gl_FrontColor.a) * alpha > 0.5;\n"
 866 "#endif\n"
 867 "\n"
 868 "#ifdef USEVERTEXTEXTUREBLEND\n"
 869 "       float3 surfacenormal = lerp(tex2D(Texture_SecondaryNormal, TexCoord2).rgb, offsetMappedTexture2D(Texture_Normal).rgb, terrainblend) - float3(0.5, 0.5, 0.5);\n"
 870 "       float a = lerp(tex2D(Texture_SecondaryGloss, TexCoord2).a, offsetMappedTexture2D(Texture_Gloss).a, terrainblend);\n"
 871 "#else\n"
 872 "       float3 surfacenormal = offsetMappedTexture2D(Texture_Normal).rgb - float3(0.5, 0.5, 0.5);\n"
 873 "       float a = offsetMappedTexture2D(Texture_Gloss).a;\n"
 874 "#endif\n"
 875 "\n"
 876 "       float3 pixelnormal = normalize(surfacenormal.x * VectorS.xyz + surfacenormal.y * VectorT.xyz + surfacenormal.z * VectorR.xyz);\n"
 877 "       dp_FragColor = float4(pixelnormal.x, pixelnormal.y, VectorR.w, a);\n"
 878 "}\n"
 879 "#endif // FRAGMENT_SHADER\n"
 880 "#else // !MODE_DEFERREDGEOMETRY\n"
 881 "\n"
 882 "\n"
 883 "\n"
 884 "\n"
 885 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
 886 "#ifdef VERTEX_SHADER\n"
 887 "void main\n"
 888 "(\n"
 889 "float4 gl_Vertex : POSITION,\n"
 890 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
 891 "uniform float4x4 ModelViewMatrix : register(c12),\n"
 892 "out float4 gl_Position : POSITION,\n"
 893 "out float4 ModelViewPosition : TEXCOORD0\n"
 894 ")\n"
 895 "{\n"
 896 "       ModelViewPosition = mul(ModelViewMatrix, gl_Vertex);\n"
 897 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
 898 "}\n"
 899 "#endif // VERTEX_SHADER\n"
 900 "\n"
 901 "#ifdef FRAGMENT_SHADER\n"
 902 "void main\n"
 903 "(\n"
 904 "#ifdef HLSL\n"
 905 "float2 Pixel : VPOS,\n"
 906 "#else\n"
 907 "float2 Pixel : WPOS,\n"
 908 "#endif\n"
 909 "float4 ModelViewPosition : TEXCOORD0,\n"
 910 "uniform float4x4 ViewToLight : register(c44),\n"
 911 "uniform float2 ScreenToDepth : register(c33), // ScreenToDepth = float2(Far / (Far - Near), Far * Near / (Near - Far));\n"
 912 "uniform float3 LightPosition : register(c23),\n"
 913 "uniform half2 PixelToScreenTexCoord : register(c42),\n"
 914 "uniform half3 DeferredColor_Ambient : register(c9),\n"
 915 "uniform half3 DeferredColor_Diffuse : register(c10),\n"
 916 "#ifdef USESPECULAR\n"
 917 "uniform half3 DeferredColor_Specular : register(c11),\n"
 918 "uniform half SpecularPower : register(c36),\n"
 919 "#endif\n"
 920 "uniform sampler Texture_Attenuation : register(s9),\n"
 921 "uniform sampler Texture_ScreenDepth : register(s13),\n"
 922 "uniform sampler Texture_ScreenNormalMap : register(s14),\n"
 923 "\n"
 924 "#ifdef USECUBEFILTER\n"
 925 "uniform samplerCUBE Texture_Cube : register(s10),\n"
 926 "#endif\n"
 927 "\n"
 928 "#ifdef USESHADOWMAP2D\n"
 929 "# ifdef USESHADOWSAMPLER\n"
 930 "uniform sampler Texture_ShadowMap2D : register(s15),\n"
 931 "# else\n"
 932 "uniform sampler Texture_ShadowMap2D : register(s15),\n"
 933 "# endif\n"
 934 "#endif\n"
 935 "\n"
 936 "#ifdef USESHADOWMAPVSDCT\n"
 937 "uniform samplerCUBE Texture_CubeProjection : register(s12),\n"
 938 "#endif\n"
 939 "\n"
 940 "#if defined(USESHADOWMAP2D)\n"
 941 "uniform float2 ShadowMap_TextureScale : register(c35),\n"
 942 "uniform float4 ShadowMap_Parameters : register(c34),\n"
 943 "#endif\n"
 944 "\n"
 945 "out float4 gl_FragData0 : COLOR0,\n"
 946 "out float4 gl_FragData1 : COLOR1\n"
 947 ")\n"
 948 "{\n"
 949 "       // calculate viewspace pixel position\n"
 950 "       float2 ScreenTexCoord = Pixel * PixelToScreenTexCoord;\n"
 951 "       float3 position;\n"
 952 "       // get the geometry information (depth, normal, specular exponent)\n"
 953 "       half4 normalmap = half4(tex2D(Texture_ScreenNormalMap, ScreenTexCoord));\n"
 954 "       // decode viewspace pixel normal\n"
 955 "//     float3 surfacenormal = normalize(normalmap.rgb - cast_myhalf3(0.5,0.5,0.5));\n"
 956 "       float3 surfacenormal = half3(normalmap.rg, sqrt(1.0-dot(normalmap.rg, normalmap.rg)));\n"
 957 "       // decode viewspace pixel position\n"
 958 "//     position.z = decodedepthmacro(dp_texture2D(Texture_ScreenDepth, ScreenTexCoord));\n"
 959 "       position.z = normalmap.b;\n"
 960 "//     position.z = ScreenToDepth.y / (dp_texture2D(Texture_ScreenDepth, ScreenTexCoord).r + ScreenToDepth.x);\n"
 961 "       position.xy = ModelViewPosition.xy * (position.z / ModelViewPosition.z);\n"
 962 "\n"
 963 "       // now do the actual shading\n"
 964 "       // surfacenormal = pixel normal in viewspace\n"
 965 "       // LightVector = pixel to light in viewspace\n"
 966 "       // CubeVector = position in lightspace\n"
 967 "       // eyevector = pixel to view in viewspace\n"
 968 "       float3 CubeVector = mul(ViewToLight, float4(position,1)).xyz;\n"
 969 "       half fade = half(tex2D(Texture_Attenuation, float2(length(CubeVector), 0.0)).r);\n"
 970 "#ifdef USEDIFFUSE\n"
 971 "       // calculate diffuse shading\n"
 972 "       half3 lightnormal = half3(normalize(LightPosition - position));\n"
 973 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
 974 "#endif\n"
 975 "#ifdef USESPECULAR\n"
 976 "       // calculate directional shading\n"
 977 "       float3 eyevector = position * -1.0;\n"
 978 "#  ifdef USEEXACTSPECULARMATH\n"
 979 "       half specular = half(pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(eyevector)))*-1.0, 0.0)), 1.0 + SpecularPower * normalmap.a));\n"
 980 "#  else\n"
 981 "       half3 specularnormal = half3(normalize(lightnormal + half3(normalize(eyevector))));\n"
 982 "       half specular = half(pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * normalmap.a));\n"
 983 "#  endif\n"
 984 "#endif\n"
 985 "\n"
 986 "#if defined(USESHADOWMAP2D)\n"
 987 "       fade *= half(ShadowMapCompare(CubeVector, Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale\n"
 988 "#ifdef USESHADOWMAPVSDCT\n"
 989 ", Texture_CubeProjection\n"
 990 "#endif\n"
 991 "       ));\n"
 992 "#endif\n"
 993 "\n"
 994 "#ifdef USEDIFFUSE\n"
 995 "       gl_FragData0 = float4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n"
 996 "#else\n"
 997 "       gl_FragData0 = float4(DeferredColor_Ambient * fade, 1.0);\n"
 998 "#endif\n"
 999 "#ifdef USESPECULAR\n"
1000 "       gl_FragData1 = float4(DeferredColor_Specular * (specular * fade), 1.0);\n"
1001 "#else\n"
1002 "       gl_FragData1 = float4(0.0, 0.0, 0.0, 1.0);\n"
1003 "#endif\n"
1004 "\n"
1005 "# ifdef USECUBEFILTER\n"
1006 "       float3 cubecolor = texCUBE(Texture_Cube, CubeVector).rgb;\n"
1007 "       gl_FragData0.rgb *= cubecolor;\n"
1008 "       gl_FragData1.rgb *= cubecolor;\n"
1009 "# endif\n"
1010 "}\n"
1011 "#endif // FRAGMENT_SHADER\n"
1012 "#else // !MODE_DEFERREDLIGHTSOURCE\n"
1013 "\n"
1014 "\n"
1015 "\n"
1016 "\n"
1017 "#ifdef VERTEX_SHADER\n"
1018 "void main\n"
1019 "(\n"
1020 "float4 gl_Vertex : POSITION,\n"
1021 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n"
1022 "#if defined(USEVERTEXTEXTUREBLEND) || defined(MODE_VERTEXCOLOR) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR)\n"
1023 "float4 gl_Color : COLOR0,\n"
1024 "#endif\n"
1025 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
1026 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n"
1027 "float4 gl_MultiTexCoord2 : TEXCOORD2,\n"
1028 "float4 gl_MultiTexCoord3 : TEXCOORD3,\n"
1029 "float4 gl_MultiTexCoord4 : TEXCOORD4,\n"
1030 "\n"
1031 "uniform float3 EyePosition : register(c24),\n"
1032 "uniform float4x4 TexMatrix : register(c0),\n"
1033 "#ifdef USEVERTEXTEXTUREBLEND\n"
1034 "uniform float4x4 BackgroundTexMatrix : register(c4),\n"
1035 "#endif\n"
1036 "#ifdef MODE_LIGHTSOURCE\n"
1037 "uniform float4x4 ModelToLight : register(c20),\n"
1038 "#endif\n"
1039 "#ifdef MODE_LIGHTSOURCE\n"
1040 "uniform float3 LightPosition : register(c27),\n"
1041 "#endif\n"
1042 "#ifdef MODE_LIGHTDIRECTION\n"
1043 "uniform float3 LightDir : register(c26),\n"
1044 "#endif\n"
1045 "uniform float4 FogPlane : register(c25),\n"
1046 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
1047 "uniform float3 LightPosition : register(c27),\n"
1048 "#endif\n"
1049 "#ifdef USESHADOWMAPORTHO\n"
1050 "uniform float4x4 ShadowMapMatrix : register(c16),\n"
1051 "#endif\n"
1052 "#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR) || defined(USEALPHAGENVERTEX)\n"
1053 "out float4 gl_FrontColor : COLOR,\n"
1054 "#endif\n"
1055 "out float4 TexCoordBoth : TEXCOORD0,\n"
1056 "#ifdef USELIGHTMAP\n"
1057 "out float2 TexCoordLightmap : TEXCOORD1,\n"
1058 "#endif\n"
1059 "#ifdef USEEYEVECTOR\n"
1060 "out float3 EyeVector : TEXCOORD2,\n"
1061 "#endif\n"
1062 "#ifdef USEREFLECTION\n"
1063 "out float4 ModelViewProjectionPosition : TEXCOORD3,\n"
1064 "#endif\n"
1065 "#ifdef USEFOG\n"
1066 "out float4 EyeVectorModelSpaceFogPlaneVertexDist : TEXCOORD4,\n"
1067 "#endif\n"
1068 "#if defined(MODE_LIGHTDIRECTION) && defined(USEDIFFUSE) || defined(USEDIFFUSE)\n"
1069 "out float3 LightVector : TEXCOORD1,\n"
1070 "#endif\n"
1071 "#ifdef MODE_LIGHTSOURCE\n"
1072 "out float3 CubeVector : TEXCOORD3,\n"
1073 "#endif\n"
1074 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE)\n"
1075 "out float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n"
1076 "out float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n"
1077 "out float3 VectorR : TEXCOORD7, // direction of R texcoord (surface normal)\n"
1078 "#endif\n"
1079 "#ifdef USESHADOWMAPORTHO\n"
1080 "out float3 ShadowMapTC : TEXCOORD3, // CONFLICTS WITH USEREFLECTION!\n"
1081 "#endif\n"
1082 "out float4 gl_Position : POSITION\n"
1083 ")\n"
1084 "{\n"
1085 "#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR) || defined(USEALPHAGENVERTEX)\n"
1086 "       gl_FrontColor = gl_Color;\n"
1087 "#endif\n"
1088 "       // copy the surface texcoord\n"
1089 "       TexCoordBoth = mul(TexMatrix, gl_MultiTexCoord0);\n"
1090 "#ifdef USEVERTEXTEXTUREBLEND\n"
1091 "       TexCoordBoth.zw = mul(BackgroundTexMatrix, gl_MultiTexCoord0).xy;\n"
1092 "#endif\n"
1093 "#ifdef USELIGHTMAP\n"
1094 "       TexCoordLightmap = gl_MultiTexCoord4.xy;\n"
1095 "#endif\n"
1096 "\n"
1097 "#ifdef MODE_LIGHTSOURCE\n"
1098 "       // transform vertex position into light attenuation/cubemap space\n"
1099 "       // (-1 to +1 across the light box)\n"
1100 "       CubeVector = mul(ModelToLight, gl_Vertex).xyz;\n"
1101 "\n"
1102 "# ifdef USEDIFFUSE\n"
1103 "       // transform unnormalized light direction into tangent space\n"
1104 "       // (we use unnormalized to ensure that it interpolates correctly and then\n"
1105 "       //  normalize it per pixel)\n"
1106 "       float3 lightminusvertex = LightPosition - gl_Vertex.xyz;\n"
1107 "       LightVector = float3(dot(lightminusvertex, gl_MultiTexCoord1.xyz), dot(lightminusvertex, gl_MultiTexCoord2.xyz), dot(lightminusvertex, gl_MultiTexCoord3.xyz));\n"
1108 "# endif\n"
1109 "#endif\n"
1110 "\n"
1111 "#if defined(MODE_LIGHTDIRECTION) && defined(USEDIFFUSE)\n"
1112 "       LightVector = float3(dot(LightDir, gl_MultiTexCoord1.xyz), dot(LightDir, gl_MultiTexCoord2.xyz), dot(LightDir, gl_MultiTexCoord3.xyz));\n"
1113 "#endif\n"
1114 "\n"
1115 "       // transform unnormalized eye direction into tangent space\n"
1116 "#ifdef USEEYEVECTOR\n"
1117 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
1118 "       EyeVector = float3(dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz));\n"
1119 "#endif\n"
1120 "\n"
1121 "#ifdef USEFOG\n"
1122 "       EyeVectorModelSpaceFogPlaneVertexDist.xyz = EyePosition - gl_Vertex.xyz;\n"
1123 "       EyeVectorModelSpaceFogPlaneVertexDist.w = dot(FogPlane, gl_Vertex);\n"
1124 "#endif\n"
1125 "\n"
1126 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1127 "       VectorS = gl_MultiTexCoord1.xyz;\n"
1128 "       VectorT = gl_MultiTexCoord2.xyz;\n"
1129 "       VectorR = gl_MultiTexCoord3.xyz;\n"
1130 "#endif\n"
1131 "\n"
1132 "       // transform vertex to camera space, using ftransform to match non-VS rendering\n"
1133 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
1134 "\n"
1135 "#ifdef USESHADOWMAPORTHO\n"
1136 "       ShadowMapTC = mul(ShadowMapMatrix, gl_Position).xyz;\n"
1137 "#endif\n"
1138 "\n"
1139 "#ifdef USEREFLECTION\n"
1140 "       ModelViewProjectionPosition = gl_Position;\n"
1141 "#endif\n"
1142 "#ifdef USETRIPPY\n"
1143 "       gl_Position = TrippyVertex(gl_Position);\n"
1144 "#endif\n"
1145 "}\n"
1146 "#endif // VERTEX_SHADER\n"
1147 "\n"
1148 "\n"
1149 "\n"
1150 "\n"
1151 "#ifdef FRAGMENT_SHADER\n"
1152 "void main\n"
1153 "(\n"
1154 "#ifdef USEDEFERREDLIGHTMAP\n"
1155 "#ifdef HLSL\n"
1156 "float2 Pixel : VPOS,\n"
1157 "#else\n"
1158 "float2 Pixel : WPOS,\n"
1159 "#endif\n"
1160 "#endif\n"
1161 "float4 gl_FrontColor : COLOR,\n"
1162 "float4 TexCoordBoth : TEXCOORD0,\n"
1163 "#ifdef USELIGHTMAP\n"
1164 "float2 TexCoordLightmap : TEXCOORD1,\n"
1165 "#endif\n"
1166 "#ifdef USEEYEVECTOR\n"
1167 "float3 EyeVector : TEXCOORD2,\n"
1168 "#endif\n"
1169 "#ifdef USEREFLECTION\n"
1170 "float4 ModelViewProjectionPosition : TEXCOORD3,\n"
1171 "#endif\n"
1172 "#ifdef USEFOG\n"
1173 "float4 EyeVectorModelSpaceFogPlaneVertexDist : TEXCOORD4,\n"
1174 "#endif\n"
1175 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_LIGHTDIRECTION)\n"
1176 "float3 LightVector : TEXCOORD1,\n"
1177 "#endif\n"
1178 "#ifdef MODE_LIGHTSOURCE\n"
1179 "float3 CubeVector : TEXCOORD3,\n"
1180 "#endif\n"
1181 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
1182 "float4 ModelViewPosition : TEXCOORD0,\n"
1183 "#endif\n"
1184 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE)\n"
1185 "float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n"
1186 "float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n"
1187 "float3 VectorR : TEXCOORD7, // direction of R texcoord (surface normal)\n"
1188 "#endif\n"
1189 "#ifdef USESHADOWMAPORTHO\n"
1190 "float3 ShadowMapTC : TEXCOORD3, // CONFLICTS WITH USEREFLECTION!\n"
1191 "#endif\n"
1192 "\n"
1193 "uniform sampler Texture_Normal : register(s0),\n"
1194 "uniform sampler Texture_Color : register(s1),\n"
1195 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n"
1196 "uniform sampler Texture_Gloss : register(s2),\n"
1197 "#endif\n"
1198 "#ifdef USEGLOW\n"
1199 "uniform sampler Texture_Glow : register(s3),\n"
1200 "#endif\n"
1201 "#ifdef USEVERTEXTEXTUREBLEND\n"
1202 "uniform sampler Texture_SecondaryNormal : register(s4),\n"
1203 "uniform sampler Texture_SecondaryColor : register(s5),\n"
1204 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n"
1205 "uniform sampler Texture_SecondaryGloss : register(s6),\n"
1206 "#endif\n"
1207 "#ifdef USEGLOW\n"
1208 "uniform sampler Texture_SecondaryGlow : register(s7),\n"
1209 "#endif\n"
1210 "#endif\n"
1211 "#ifdef USECOLORMAPPING\n"
1212 "uniform sampler Texture_Pants : register(s4),\n"
1213 "uniform sampler Texture_Shirt : register(s7),\n"
1214 "#endif\n"
1215 "#ifdef USEFOG\n"
1216 "uniform sampler Texture_FogHeightTexture : register(s14),\n"
1217 "uniform sampler Texture_FogMask : register(s8),\n"
1218 "#endif\n"
1219 "#ifdef USELIGHTMAP\n"
1220 "uniform sampler Texture_Lightmap : register(s9),\n"
1221 "#endif\n"
1222 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
1223 "uniform sampler Texture_Deluxemap : register(s10),\n"
1224 "#endif\n"
1225 "#ifdef USEREFLECTION\n"
1226 "uniform sampler Texture_Reflection : register(s7),\n"
1227 "#endif\n"
1228 "\n"
1229 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
1230 "uniform sampler Texture_ScreenDepth : register(s13),\n"
1231 "uniform sampler Texture_ScreenNormalMap : register(s14),\n"
1232 "#endif\n"
1233 "#ifdef USEDEFERREDLIGHTMAP\n"
1234 "uniform sampler Texture_ScreenDepth : register(s13),\n"
1235 "uniform sampler Texture_ScreenNormalMap : register(s14),\n"
1236 "uniform sampler Texture_ScreenDiffuse : register(s11),\n"
1237 "uniform sampler Texture_ScreenSpecular : register(s12),\n"
1238 "#endif\n"
1239 "\n"
1240 "#ifdef USECOLORMAPPING\n"
1241 "uniform half3 Color_Pants : register(c7),\n"
1242 "uniform half3 Color_Shirt : register(c8),\n"
1243 "#endif\n"
1244 "#ifdef USEFOG\n"
1245 "uniform float3 FogColor : register(c16),\n"
1246 "uniform float FogRangeRecip : register(c20),\n"
1247 "uniform float FogPlaneViewDist : register(c19),\n"
1248 "uniform float FogHeightFade : register(c17),\n"
1249 "#endif\n"
1250 "\n"
1251 "#ifdef USEOFFSETMAPPING\n"
1252 "uniform float4 OffsetMapping_ScaleSteps : register(c24),\n"
1253 "uniform float OffsetMapping_Bias : register(c54),\n"
1254 "#endif\n"
1255 "\n"
1256 "#ifdef USEDEFERREDLIGHTMAP\n"
1257 "uniform half2 PixelToScreenTexCoord : register(c42),\n"
1258 "uniform half3 DeferredMod_Diffuse : register(c12),\n"
1259 "uniform half3 DeferredMod_Specular : register(c13),\n"
1260 "#endif\n"
1261 "uniform half3 Color_Ambient : register(c3),\n"
1262 "uniform half3 Color_Diffuse : register(c4),\n"
1263 "uniform half3 Color_Specular : register(c5),\n"
1264 "uniform half SpecularPower : register(c36),\n"
1265 "#ifdef USEGLOW\n"
1266 "uniform half3 Color_Glow : register(c6),\n"
1267 "#endif\n"
1268 "uniform half Alpha : register(c0),\n"
1269 "#ifdef USEREFLECTION\n"
1270 "uniform float4 DistortScaleRefractReflect : register(c14),\n"
1271 "uniform float4 ScreenScaleRefractReflect : register(c32),\n"
1272 "uniform float4 ScreenCenterRefractReflect : register(c31),\n"
1273 "uniform half4 ReflectColor : register(c26),\n"
1274 "#endif\n"
1275 "#ifdef USEREFLECTCUBE\n"
1276 "uniform float4x4 ModelToReflectCube : register(c48),\n"
1277 "uniform sampler Texture_ReflectMask : register(s5),\n"
1278 "uniform samplerCUBE Texture_ReflectCube : register(s6),\n"
1279 "#endif\n"
1280 "#ifdef MODE_LIGHTDIRECTION\n"
1281 "uniform half3 LightColor : register(c21),\n"
1282 "#endif\n"
1283 "#ifdef MODE_LIGHTSOURCE\n"
1284 "uniform half3 LightColor : register(c21),\n"
1285 "#endif\n"
1286 "\n"
1287 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE)\n"
1288 "uniform sampler Texture_Attenuation : register(s9),\n"
1289 "uniform samplerCUBE Texture_Cube : register(s10),\n"
1290 "#endif\n"
1291 "\n"
1292 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USESHADOWMAPORTHO)\n"
1293 "\n"
1294 "#ifdef USESHADOWMAP2D\n"
1295 "# ifdef USESHADOWSAMPLER\n"
1296 "uniform sampler Texture_ShadowMap2D : register(s15),\n"
1297 "# else\n"
1298 "uniform sampler Texture_ShadowMap2D : register(s15),\n"
1299 "# endif\n"
1300 "#endif\n"
1301 "\n"
1302 "#ifdef USESHADOWMAPVSDCT\n"
1303 "uniform samplerCUBE Texture_CubeProjection : register(s12),\n"
1304 "#endif\n"
1305 "\n"
1306 "#if defined(USESHADOWMAP2D)\n"
1307 "uniform float2 ShadowMap_TextureScale : register(c35),\n"
1308 "uniform float4 ShadowMap_Parameters : register(c34),\n"
1309 "#endif\n"
1310 "#endif // !defined(MODE_LIGHTSOURCE) && !defined(MODE_DEFERREDLIGHTSOURCE) && !defined(USESHADOWMAPORTHO)\n"
1311 "\n"
1312 "out float4 dp_FragColor : COLOR\n"
1313 ")\n"
1314 "{\n"
1315 "       float2 TexCoord = TexCoordBoth.xy;\n"
1316 "#ifdef USEVERTEXTEXTUREBLEND\n"
1317 "       float2 TexCoord2 = TexCoordBoth.zw;\n"
1318 "#endif\n"
1319 "#ifdef USEOFFSETMAPPING\n"
1320 "       // apply offsetmapping\n"
1321 "       float2 dPdx = ddx(TexCoord);\n"
1322 "       float2 dPdy = ddy(TexCoord);\n"
1323 "       float2 TexCoordOffset = OffsetMapping(TexCoord, OffsetMapping_ScaleSteps, OffsetMapping_Bias, OffsetMapping_LodDistance, EyeVector, Texture_Normal, dPdx, dPdy);\n"
1324 "# define offsetMappedTexture2D(t) tex2Dgrad(t, TexCoordOffset, dPdx, dPdy)\n"
1325 "#else\n"
1326 "# define offsetMappedTexture2D(t) tex2D(t, TexCoord)\n"
1327 "#endif\n"
1328 "\n"
1329 "       // combine the diffuse textures (base, pants, shirt)\n"
1330 "       half4 color = half4(offsetMappedTexture2D(Texture_Color));\n"
1331 "#ifdef USEALPHAKILL\n"
1332 "       if (color.a < 0.5)\n"
1333 "               discard;\n"
1334 "#endif\n"
1335 "       color.a *= Alpha;\n"
1336 "#ifdef USECOLORMAPPING\n"
1337 "       color.rgb += half3(offsetMappedTexture2D(Texture_Pants).rgb) * Color_Pants + half3(offsetMappedTexture2D(Texture_Shirt).rgb) * Color_Shirt;\n"
1338 "#endif\n"
1339 "#ifdef USEVERTEXTEXTUREBLEND\n"
1340 "#ifdef USEBOTHALPHAS\n"
1341 "       half4 color2 = half4(tex2D(Texture_SecondaryColor, TexCoord2));\n"
1342 "       half terrainblend = clamp(half(gl_FrontColor.a) * color.a, half(1.0 - color2.a), half(1.0));\n"
1343 "       color.rgb = lerp(color2.rgb, color.rgb, terrainblend);\n"
1344 "#else\n"
1345 "       half terrainblend = clamp(half(gl_FrontColor.a) * color.a * 2.0 - 0.5, half(0.0), half(1.0));\n"
1346 "       //half terrainblend = min(half(gl_FrontColor.a) * color.a * 2.0, half(1.0));\n"
1347 "       //half terrainblend = half(gl_FrontColor.a) * color.a > 0.5;\n"
1348 "       color.rgb = half3(lerp(tex2D(Texture_SecondaryColor, TexCoord2).rgb, float3(color.rgb), terrainblend));\n"
1349 "       color.a = 1.0;\n"
1350 "       //color = half4(lerp(float4(1, 0, 0, 1), color, terrainblend));\n"
1351 "#endif\n"
1352 "#endif\n"
1353 "#ifdef USEALPHAGENVERTEX\n"
1354 "       color.a *= gl_FrontColor.a;\n"
1355 "#endif\n"
1356 "\n"
1357 "       // get the surface normal\n"
1358 "#ifdef USEVERTEXTEXTUREBLEND\n"
1359 "       half3 surfacenormal = normalize(half3(lerp(tex2D(Texture_SecondaryNormal, TexCoord2).rgb, offsetMappedTexture2D(Texture_Normal).rgb, terrainblend)) - half3(0.5, 0.5, 0.5));\n"
1360 "#else\n"
1361 "       half3 surfacenormal = half3(normalize(half3(offsetMappedTexture2D(Texture_Normal).rgb) - half3(0.5, 0.5, 0.5)));\n"
1362 "#endif\n"
1363 "\n"
1364 "       // get the material colors\n"
1365 "       half3 diffusetex = color.rgb;\n"
1366 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n"
1367 "# ifdef USEVERTEXTEXTUREBLEND\n"
1368 "       half4 glosstex = half4(lerp(tex2D(Texture_SecondaryGloss, TexCoord2), offsetMappedTexture2D(Texture_Gloss), terrainblend));\n"
1369 "# else\n"
1370 "       half4 glosstex = half4(offsetMappedTexture2D(Texture_Gloss));\n"
1371 "# endif\n"
1372 "#endif\n"
1373 "\n"
1374 "#ifdef USEREFLECTCUBE\n"
1375 "       float3 TangentReflectVector = reflect(-EyeVector, surfacenormal);\n"
1376 "       float3 ModelReflectVector = TangentReflectVector.x * VectorS + TangentReflectVector.y * VectorT + TangentReflectVector.z * VectorR;\n"
1377 "       float3 ReflectCubeTexCoord = mul(ModelToReflectCube, float4(ModelReflectVector, 0)).xyz;\n"
1378 "       diffusetex += half3(offsetMappedTexture2D(Texture_ReflectMask).rgb) * half3(texCUBE(Texture_ReflectCube, ReflectCubeTexCoord).rgb);\n"
1379 "#endif\n"
1380 "\n"
1381 "\n"
1382 "\n"
1383 "\n"
1384 "#ifdef MODE_LIGHTSOURCE\n"
1385 "       // light source\n"
1386 "#ifdef USEDIFFUSE\n"
1387 "       half3 lightnormal = half3(normalize(LightVector));\n"
1388 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
1389 "       color.rgb = diffusetex * (Color_Ambient + diffuse * Color_Diffuse);\n"
1390 "#ifdef USESPECULAR\n"
1391 "#ifdef USEEXACTSPECULARMATH\n"
1392 "       half specular = half(pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), 1.0 + SpecularPower * glosstex.a));\n"
1393 "#else\n"
1394 "       half3 specularnormal = half3(normalize(lightnormal + half3(normalize(EyeVector))));\n"
1395 "       half specular = half(pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * glosstex.a));\n"
1396 "#endif\n"
1397 "       color.rgb += glosstex.rgb * (specular * Color_Specular);\n"
1398 "#endif\n"
1399 "#else\n"
1400 "       color.rgb = diffusetex * Color_Ambient;\n"
1401 "#endif\n"
1402 "       color.rgb *= LightColor;\n"
1403 "       color.rgb *= half(tex2D(Texture_Attenuation, float2(length(CubeVector), 0.0)).r);\n"
1404 "#if defined(USESHADOWMAP2D)\n"
1405 "       color.rgb *= half(ShadowMapCompare(CubeVector, Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale\n"
1406 "#ifdef USESHADOWMAPVSDCT\n"
1407 ", Texture_CubeProjection\n"
1408 "#endif\n"
1409 "       ));\n"
1410 "\n"
1411 "#endif\n"
1412 "# ifdef USECUBEFILTER\n"
1413 "       color.rgb *= half3(texCUBE(Texture_Cube, CubeVector).rgb);\n"
1414 "# endif\n"
1415 "\n"
1416 "#ifdef USESHADOWMAP2D\n"
1417 "#ifdef USESHADOWMAPVSDCT\n"
1418 "//     float3 shadowmaptc = GetShadowMapTC2D(CubeVector, ShadowMap_Parameters, Texture_CubeProjection);\n"
1419 "#else\n"
1420 "//     float3 shadowmaptc = GetShadowMapTC2D(CubeVector, ShadowMap_Parameters);\n"
1421 "#endif\n"
1422 "//     color.rgb = half3(tex2D(Texture_ShadowMap2D, float2(0.1,0.1)).rgb);\n"
1423 "//     color.rgb = half3(tex2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale).rgb);\n"
1424 "//     color.rgb = half3(shadowmaptc.xyz * float3(ShadowMap_TextureScale,1.0));\n"
1425 "//     color.r = half(texDepth2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale));\n"
1426 "//     color.rgb = half3(tex2D(Texture_ShadowMap2D, float2(0.1,0.1)).rgb);\n"
1427 "//     color.rgb = half3(tex2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale).rgb);\n"
1428 "//     color.rgb = half3(shadowmaptc.xyz * float3(ShadowMap_TextureScale,1.0));\n"
1429 "//     color.r = half(texDepth2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale));\n"
1430 "//     color.r = half(shadowmaptc.z - texDepth2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale));\n"
1431 "//     color.r = half(shadowmaptc.z);\n"
1432 "//     color.r = half(texDepth2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale));\n"
1433 "//     color.r = half(shadowmaptc.z);\n"
1434 "//     color.r = 1;\n"
1435 "//     color.rgb = abs(CubeVector);\n"
1436 "#endif\n"
1437 "//     color.rgb = half3(1,1,1);\n"
1438 "#endif // MODE_LIGHTSOURCE\n"
1439 "\n"
1440 "\n"
1441 "\n"
1442 "\n"
1443 "#ifdef MODE_LIGHTDIRECTION\n"
1444 "       #define SHADING\n"
1445 "       #ifdef USEDIFFUSE\n"
1446 "               half3 lightnormal = half3(normalize(LightVector));\n"
1447 "       #endif\n"
1448 "       #define lightcolor LightColor\n"
1449 "#endif // MODE_LIGHTDIRECTION\n"
1450 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1451 "       #define SHADING\n"
1452 "       // deluxemap lightmapping using light vectors in modelspace (q3map2 -light -deluxe)\n"
1453 "       half3 lightnormal_modelspace = half3(tex2D(Texture_Deluxemap, TexCoordLightmap).rgb) * 2.0 + half3(-1.0, -1.0, -1.0);\n"
1454 "       half3 lightcolor = half3(tex2D(Texture_Lightmap, TexCoordLightmap).rgb);\n"
1455 "       // convert modelspace light vector to tangentspace\n"
1456 "       half3 lightnormal = half3(dot(lightnormal_modelspace, half3(VectorS)), dot(lightnormal_modelspace, half3(VectorT)), dot(lightnormal_modelspace, half3(VectorR)));\n"
1457 "       // calculate directional shading (and undoing the existing angle attenuation on the lightmap by the division)\n"
1458 "       // note that q3map2 is too stupid to calculate proper surface normals when q3map_nonplanar\n"
1459 "       // is used (the lightmap and deluxemap coords correspond to virtually random coordinates\n"
1460 "       // on that luxel, and NOT to its center, because recursive triangle subdivision is used\n"
1461 "       // to map the luxels to coordinates on the draw surfaces), which also causes\n"
1462 "       // deluxemaps to be wrong because light contributions from the wrong side of the surface\n"
1463 "       // are added up. To prevent divisions by zero or strong exaggerations, a max()\n"
1464 "       // nudge is done here at expense of some additional fps. This is ONLY needed for\n"
1465 "       // deluxemaps, tangentspace deluxemap avoid this problem by design.\n"
1466 "       lightcolor *= 1.0 / max(0.25, lightnormal.z);\n"
1467 "#endif // MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1468 "#ifdef MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n"
1469 "       #define SHADING\n"
1470 "       // deluxemap lightmapping using light vectors in tangentspace (hmap2 -light)\n"
1471 "       half3 lightnormal = half3(tex2D(Texture_Deluxemap, TexCoordLightmap).rgb) * 2.0 + half3(-1.0, -1.0, -1.0);\n"
1472 "       half3 lightcolor = half3(tex2D(Texture_Lightmap, TexCoordLightmap).rgb);\n"
1473 "#endif\n"
1474 "#if defined(MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR)\n"
1475 "       #define SHADING\n"
1476 "       // forced deluxemap on lightmapped/vertexlit surfaces\n"
1477 "       half3 lightnormal = half3(0.0, 0.0, 1.0);\n"
1478 "   #ifdef USELIGHTMAP\n"
1479 "               half3 lightcolor = half3(tex2D(Texture_Lightmap, TexCoordLightmap).rgb);\n"
1480 "   #else\n"
1481 "               half3 lightcolor = half3(gl_FrontColor.rgb);\n"
1482 "   #endif\n"
1483 "#endif\n"
1484 "#ifdef MODE_FAKELIGHT\n"
1485 "       #define SHADING\n"
1486 "       half3 lightnormal = half3(normalize(EyeVector));\n"
1487 "       half3 lightcolor = half3(1.0,1.0,1.0);\n"
1488 "#endif // MODE_FAKELIGHT\n"
1489 "\n"
1490 "\n"
1491 "\n"
1492 "\n"
1493 "#ifdef MODE_LIGHTMAP\n"
1494 "       color.rgb = diffusetex * (Color_Ambient + half3(tex2D(Texture_Lightmap, TexCoordLightmap).rgb) * Color_Diffuse);\n"
1495 "#endif // MODE_LIGHTMAP\n"
1496 "#ifdef MODE_VERTEXCOLOR\n"
1497 "       color.rgb = diffusetex * (Color_Ambient + half3(gl_FrontColor.rgb) * Color_Diffuse);\n"
1498 "#endif // MODE_VERTEXCOLOR\n"
1499 "#ifdef MODE_FLATCOLOR\n"
1500 "       color.rgb = diffusetex * Color_Ambient;\n"
1501 "#endif // MODE_FLATCOLOR\n"
1502 "\n"
1503 "\n"
1504 "\n"
1505 "\n"
1506 "#ifdef SHADING\n"
1507 "# ifdef USEDIFFUSE\n"
1508 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
1509 "#  ifdef USESPECULAR\n"
1510 "#   ifdef USEEXACTSPECULARMATH\n"
1511 "       half specular = half(pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), 1.0 + SpecularPower * glosstex.a));\n"
1512 "#   else\n"
1513 "       half3 specularnormal = half3(normalize(lightnormal + half3(normalize(EyeVector))));\n"
1514 "       half specular = half(pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * glosstex.a));\n"
1515 "#   endif\n"
1516 "       color.rgb = diffusetex * Color_Ambient + (diffusetex * Color_Diffuse * diffuse + glosstex.rgb * Color_Specular * specular) * lightcolor;\n"
1517 "#  else\n"
1518 "       color.rgb = diffusetex * (Color_Ambient + Color_Diffuse * diffuse * lightcolor);\n"
1519 "#  endif\n"
1520 "# else\n"
1521 "       color.rgb = diffusetex * Color_Ambient;\n"
1522 "# endif\n"
1523 "#endif\n"
1524 "\n"
1525 "#ifdef USESHADOWMAPORTHO\n"
1526 "       color.rgb *= half(ShadowMapCompare(ShadowMapTC, Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale));\n"
1527 "#endif\n"
1528 "\n"
1529 "#ifdef USEDEFERREDLIGHTMAP\n"
1530 "       float2 ScreenTexCoord = Pixel * PixelToScreenTexCoord;\n"
1531 "       color.rgb += diffusetex * half3(tex2D(Texture_ScreenDiffuse, ScreenTexCoord).rgb) * DeferredMod_Diffuse;\n"
1532 "       color.rgb += glosstex.rgb * half3(tex2D(Texture_ScreenSpecular, ScreenTexCoord).rgb) * DeferredMod_Specular;\n"
1533 "//     color.rgb = half3(tex2D(Texture_ScreenDepth, ScreenTexCoord).rgb);\n"
1534 "//     color.r = half(texDepth2D(Texture_ScreenDepth, ScreenTexCoord)) * 1.0;\n"
1535 "#endif\n"
1536 "\n"
1537 "#ifdef USEGLOW\n"
1538 "#ifdef USEVERTEXTEXTUREBLEND\n"
1539 "       color.rgb += half3(lerp(tex2D(Texture_SecondaryGlow, TexCoord2).rgb, offsetMappedTexture2D(Texture_Glow).rgb, terrainblend)) * Color_Glow;\n"
1540 "#else\n"
1541 "       color.rgb += half3(offsetMappedTexture2D(Texture_Glow).rgb) * Color_Glow;\n"
1542 "#endif\n"
1543 "#endif\n"
1544 "\n"
1545 "#ifdef USEFOG\n"
1546 "       color.rgb = half3(FogVertex(color, FogColor, EyeVectorModelSpaceFogPlaneVertexDist.xyz, EyeVectorModelSpaceFogPlaneVertexDist.w, FogRangeRecip, FogPlaneViewDist, FogHeightFade, Texture_FogMask, Texture_FogHeightTexture));\n"
1547 "#endif\n"
1548 "\n"
1549 "       // reflection must come last because it already contains exactly the correct fog (the reflection render preserves camera distance from the plane, it only flips the side) and ContrastBoost/SceneBrightness\n"
1550 "#ifdef USEREFLECTION\n"
1551 "       float4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
1552 "       //float4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(half3(offsetMappedTexture2D(Texture_Normal).rgb) - half3(0.5,0.5,0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
1553 "       float2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW.zw + ScreenCenterRefractReflect.zw;\n"
1554 "       float2 ScreenTexCoord = SafeScreenTexCoord + float3(normalize(half3(offsetMappedTexture2D(Texture_Normal).rgb) - half3(0.5,0.5,0.5))).xy * DistortScaleRefractReflect.zw;\n"
1555 "       // FIXME temporary hack to detect the case that the reflection\n"
1556 "       // gets blackened at edges due to leaving the area that contains actual\n"
1557 "       // content.\n"
1558 "       // Remove this 'ack once we have a better way to stop this thing from\n"
1559 "       // 'appening.\n"
1560 "       float f = min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(0.01, 0.01)).rgb) / 0.05);\n"
1561 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(0.01, -0.01)).rgb) / 0.05);\n"
1562 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(-0.01, 0.01)).rgb) / 0.05);\n"
1563 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(-0.01, -0.01)).rgb) / 0.05);\n"
1564 "       ScreenTexCoord = lerp(SafeScreenTexCoord, ScreenTexCoord, f);\n"
1565 "       color.rgb = lerp(color.rgb, half3(tex2D(Texture_Reflection, ScreenTexCoord).rgb) * ReflectColor.rgb, ReflectColor.a);\n"
1566 "#endif\n"
1567 "\n"
1568 "       dp_FragColor = float4(color);\n"
1569 "}\n"
1570 "#endif // FRAGMENT_SHADER\n"
1571 "\n"
1572 "#endif // !MODE_DEFERREDLIGHTSOURCE\n"
1573 "#endif // !MODE_DEFERREDGEOMETRY\n"
1574 "#endif // !MODE_WATER\n"
1575 "#endif // !MODE_REFRACTION\n"
1576 "#endif // !MODE_BLOOMBLUR\n"
1577 "#endif // !MODE_GENERIC\n"
1578 "#endif // !MODE_POSTPROCESS\n"
1579 "#endif // !MODE_SHOWDEPTH\n"
1580 "#endif // !MODE_DEPTH_OR_SHADOW\n"