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_POSTPROCESS\n",
  94 "\n",
  95 "#ifdef VERTEX_SHADER\n",
  96 "void main\n",
  97 "(\n",
  98 "float4 gl_Vertex : POSITION,\n",
  99 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n",
 100 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n",
 101 "float4 gl_MultiTexCoord4 : TEXCOORD4,\n",
 102 "out float4 gl_Position : POSITION,\n",
 103 "out float2 TexCoord1 : TEXCOORD0,\n",
 104 "out float2 TexCoord2 : TEXCOORD1\n",
 105 ")\n",
 106 "{\n",
 107 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n",
 108 "       TexCoord1 = gl_MultiTexCoord0.xy;\n",
 109 "#ifdef USEBLOOM\n",
 110 "       TexCoord2 = gl_MultiTexCoord4.xy;\n",
 111 "#endif\n",
 112 "}\n",
 113 "#endif\n",
 114 "\n",
 115 "#ifdef FRAGMENT_SHADER\n",
 116 "void main\n",
 117 "(\n",
 118 "float2 TexCoord1 : TEXCOORD0,\n",
 119 "float2 TexCoord2 : TEXCOORD1,\n",
 120 "uniform sampler Texture_First : register(s0),\n",
 121 "#ifdef USEBLOOM\n",
 122 "uniform sampler Texture_Second : register(s1),\n",
 123 "#endif\n",
 124 "#ifdef USEGAMMARAMPS\n",
 125 "uniform sampler Texture_GammaRamps : register(s2),\n",
 126 "#endif\n",
 127 "#ifdef USESATURATION\n",
 128 "uniform float Saturation : register(c30),\n",
 129 "#endif\n",
 130 "#ifdef USEVIEWTINT\n",
 131 "uniform float4 ViewTintColor : register(c41),\n",
 132 "#endif\n",
 133 "uniform float4 UserVec1 : register(c37),\n",
 134 "uniform float4 UserVec2 : register(c38),\n",
 135 "uniform float4 UserVec3 : register(c39),\n",
 136 "uniform float4 UserVec4 : register(c40),\n",
 137 "uniform float ClientTime : register(c2),\n",
 138 "uniform float2 PixelSize : register(c25),\n",
 139 "uniform float4 BloomColorSubtract : register(c43),\n",
 140 "out float4 dp_FragColor : COLOR\n",
 141 ")\n",
 142 "{\n",
 143 "       dp_FragColor = tex2D(Texture_First, TexCoord1);\n",
 144 "\n",
 145 "#ifdef USEPOSTPROCESSING\n",
 146 "// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n",
 147 "// 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",
 148 "       float sobel = 1.0;\n",
 149 "       // float2 ts = textureSize(Texture_First, 0);\n",
 150 "       // float2 px = float2(1/ts.x, 1/ts.y);\n",
 151 "       float2 px = PixelSize;\n",
 152 "       float3 x1 = tex2D(Texture_First, TexCoord1 + float2(-px.x, px.y)).rgb;\n",
 153 "       float3 x2 = tex2D(Texture_First, TexCoord1 + float2(-px.x,  0.0)).rgb;\n",
 154 "       float3 x3 = tex2D(Texture_First, TexCoord1 + float2(-px.x,-px.y)).rgb;\n",
 155 "       float3 x4 = tex2D(Texture_First, TexCoord1 + float2( px.x, px.y)).rgb;\n",
 156 "       float3 x5 = tex2D(Texture_First, TexCoord1 + float2( px.x,  0.0)).rgb;\n",
 157 "       float3 x6 = tex2D(Texture_First, TexCoord1 + float2( px.x,-px.y)).rgb;\n",
 158 "       float3 y1 = tex2D(Texture_First, TexCoord1 + float2( px.x,-px.y)).rgb;\n",
 159 "       float3 y2 = tex2D(Texture_First, TexCoord1 + float2(  0.0,-px.y)).rgb;\n",
 160 "       float3 y3 = tex2D(Texture_First, TexCoord1 + float2(-px.x,-px.y)).rgb;\n",
 161 "       float3 y4 = tex2D(Texture_First, TexCoord1 + float2( px.x, px.y)).rgb;\n",
 162 "       float3 y5 = tex2D(Texture_First, TexCoord1 + float2(  0.0, px.y)).rgb;\n",
 163 "       float3 y6 = tex2D(Texture_First, TexCoord1 + float2(-px.x, px.y)).rgb;\n",
 164 "       float px1 = -1.0 * dot(float3(0.3, 0.59, 0.11), x1);\n",
 165 "       float px2 = -2.0 * dot(float3(0.3, 0.59, 0.11), x2);\n",
 166 "       float px3 = -1.0 * dot(float3(0.3, 0.59, 0.11), x3);\n",
 167 "       float px4 =  1.0 * dot(float3(0.3, 0.59, 0.11), x4);\n",
 168 "       float px5 =  2.0 * dot(float3(0.3, 0.59, 0.11), x5);\n",
 169 "       float px6 =  1.0 * dot(float3(0.3, 0.59, 0.11), x6);\n",
 170 "       float py1 = -1.0 * dot(float3(0.3, 0.59, 0.11), y1);\n",
 171 "       float py2 = -2.0 * dot(float3(0.3, 0.59, 0.11), y2);\n",
 172 "       float py3 = -1.0 * dot(float3(0.3, 0.59, 0.11), y3);\n",
 173 "       float py4 =  1.0 * dot(float3(0.3, 0.59, 0.11), y4);\n",
 174 "       float py5 =  2.0 * dot(float3(0.3, 0.59, 0.11), y5);\n",
 175 "       float py6 =  1.0 * dot(float3(0.3, 0.59, 0.11), y6);\n",
 176 "       sobel = 0.25 * abs(px1 + px2 + px3 + px4 + px5 + px6) + 0.25 * abs(py1 + py2 + py3 + py4 + py5 + py6);\n",
 177 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.987688, -0.156434)) * UserVec1.y;\n",
 178 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.156434, -0.891007)) * UserVec1.y;\n",
 179 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2( 0.891007, -0.453990)) * UserVec1.y;\n",
 180 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2( 0.707107,  0.707107)) * UserVec1.y;\n",
 181 "       dp_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.453990,  0.891007)) * UserVec1.y;\n",
 182 "       dp_FragColor /= (1.0 + 5.0 * UserVec1.y);\n",
 183 "       dp_FragColor.rgb = dp_FragColor.rgb * (1.0 + UserVec2.x) + float3(1,1,1)*max(0.0, sobel - UserVec2.z)*UserVec2.y;\n",
 184 "#endif\n",
 185 "\n",
 186 "#ifdef USEBLOOM\n",
 187 "       dp_FragColor += max(float4(0,0,0,0), tex2D(Texture_Second, TexCoord2) - BloomColorSubtract);\n",
 188 "#endif\n",
 189 "\n",
 190 "#ifdef USEVIEWTINT\n",
 191 "       dp_FragColor = lerp(dp_FragColor, ViewTintColor, ViewTintColor.a);\n",
 192 "#endif\n",
 193 "\n",
 194 "#ifdef USESATURATION\n",
 195 "       //apply saturation BEFORE gamma ramps, so v_glslgamma value does not matter\n",
 196 "       float y = dot(dp_FragColor.rgb, float3(0.299, 0.587, 0.114));\n",
 197 "       // 'vampire sight' effect, wheres red is compensated\n",
 198 "       #ifdef SATURATION_REDCOMPENSATE\n",
 199 "               float rboost = max(0.0, (dp_FragColor.r - max(dp_FragColor.g, dp_FragColor.b))*(1.0 - Saturation));\n",
 200 "               dp_FragColor.rgb = lerp(float3(y,y,y), dp_FragColor.rgb, Saturation);\n",
 201 "               dp_FragColor.r += r;\n",
 202 "       #else\n",
 203 "               // normal desaturation\n",
 204 "               //dp_FragColor = float3(y,y,y) + (dp_FragColor.rgb - float3(y)) * Saturation;\n",
 205 "               dp_FragColor.rgb = lerp(float3(y,y,y), dp_FragColor.rgb, Saturation);\n",
 206 "       #endif\n",
 207 "#endif\n",
 208 "\n",
 209 "#ifdef USEGAMMARAMPS\n",
 210 "       dp_FragColor.r = tex2D(Texture_GammaRamps, float2(dp_FragColor.r, 0)).r;\n",
 211 "       dp_FragColor.g = tex2D(Texture_GammaRamps, float2(dp_FragColor.g, 0)).g;\n",
 212 "       dp_FragColor.b = tex2D(Texture_GammaRamps, float2(dp_FragColor.b, 0)).b;\n",
 213 "#endif\n",
 214 "}\n",
 215 "#endif\n",
 216 "#else // !MODE_POSTPROCESS\n",
 217 "\n",
 218 "\n",
 219 "\n",
 220 "\n",
 221 "#ifdef MODE_GENERIC\n",
 222 "#ifdef VERTEX_SHADER\n",
 223 "void main\n",
 224 "(\n",
 225 "float4 gl_Vertex : POSITION,\n",
 226 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n",
 227 "float4 gl_Color : COLOR0,\n",
 228 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n",
 229 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n",
 230 "out float4 gl_Position : POSITION,\n",
 231 "#ifdef USEDIFFUSE\n",
 232 "out float2 TexCoord1 : TEXCOORD0,\n",
 233 "#endif\n",
 234 "#ifdef USESPECULAR\n",
 235 "out float2 TexCoord2 : TEXCOORD1,\n",
 236 "#endif\n",
 237 "out float4 gl_FrontColor : COLOR\n",
 238 ")\n",
 239 "{\n",
 240 "       gl_FrontColor = gl_Color;\n",
 241 "#ifdef USEDIFFUSE\n",
 242 "       TexCoord1 = gl_MultiTexCoord0.xy;\n",
 243 "#endif\n",
 244 "#ifdef USESPECULAR\n",
 245 "       TexCoord2 = gl_MultiTexCoord1.xy;\n",
 246 "#endif\n",
 247 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n",
 248 "#ifdef USETRIPPY\n",
 249 "       gl_Position = TrippyVertex(gl_Position);\n",
 250 "#endif\n",
 251 "}\n",
 252 "#endif\n",
 253 "\n",
 254 "#ifdef FRAGMENT_SHADER\n",
 255 "\n",
 256 "void main\n",
 257 "(\n",
 258 "float4 gl_FrontColor : COLOR0,\n",
 259 "float2 TexCoord1 : TEXCOORD0,\n",
 260 "float2 TexCoord2 : TEXCOORD1,\n",
 261 "#ifdef USEDIFFUSE\n",
 262 "uniform sampler Texture_First : register(s0),\n",
 263 "#endif\n",
 264 "#ifdef USESPECULAR\n",
 265 "uniform sampler Texture_Second : register(s1),\n",
 266 "#endif\n",
 267 "#ifdef USEGAMMARAMPS\n",
 268 "uniform sampler Texture_GammaRamps : register(s2),\n",
 269 "#endif\n",
 270 "uniform half Alpha : register(c0),\n",
 271 "out float4 dp_FragColor : COLOR\n",
 272 ")\n",
 273 "{\n",
 274 "#ifdef USEVIEWTINT\n",
 275 "       dp_FragColor = gl_FrontColor;\n",
 276 "#else\n",
 277 "       dp_FragColor = vec4(1.0, 1.0, 1.0, 1.0);\n",
 278 "#endif\n",
 279 "#ifdef USEDIFFUSE\n",
 280 "# ifdef USEREFLECTCUBE\n",
 281 "       // suppress texture alpha\n",
 282 "       dp_FragColor.rgb *= tex2D(Texture_First, TexCoord1).rgb;\n",
 283 "# else\n",
 284 "       dp_FragColor *= tex2D(Texture_First, TexCoord1);\n",
 285 "# endif\n",
 286 "#endif\n",
 287 "\n",
 288 "#ifdef USESPECULAR\n",
 289 "       float4 tex2 = tex2D(Texture_Second, TexCoord2);\n",
 290 "# ifdef USECOLORMAPPING\n",
 291 "       dp_FragColor *= tex2;\n",
 292 "# endif\n",
 293 "# ifdef USEGLOW\n",
 294 "       dp_FragColor += tex2;\n",
 295 "# endif\n",
 296 "# ifdef USEVERTEXTEXTUREBLEND\n",
 297 "       dp_FragColor = lerp(dp_FragColor, tex2, tex2.a);\n",
 298 "# endif\n",
 299 "#endif\n",
 300 "#ifdef USEGAMMARAMPS\n",
 301 "       dp_FragColor.r = tex2D(Texture_GammaRamps, vec2(dp_FragColor.r, 0)).r;\n",
 302 "       dp_FragColor.g = tex2D(Texture_GammaRamps, vec2(dp_FragColor.g, 0)).g;\n",
 303 "       dp_FragColor.b = tex2D(Texture_GammaRamps, vec2(dp_FragColor.b, 0)).b;\n",
 304 "#endif\n",
 305 "#ifdef USEALPHAKILL\n",
 306 "       dp_FragColor.a *= Alpha;\n",
 307 "#endif\n",
 308 "}\n",
 309 "#endif\n",
 310 "#else // !MODE_GENERIC\n",
 311 "\n",
 312 "\n",
 313 "\n",
 314 "\n",
 315 "#ifdef MODE_BLOOMBLUR\n",
 316 "#ifdef VERTEX_SHADER\n",
 317 "void main\n",
 318 "(\n",
 319 "float4 gl_Vertex : POSITION,\n",
 320 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n",
 321 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n",
 322 "out float4 gl_Position : POSITION,\n",
 323 "out float2 TexCoord : TEXCOORD0\n",
 324 ")\n",
 325 "{\n",
 326 "       TexCoord = gl_MultiTexCoord0.xy;\n",
 327 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n",
 328 "}\n",
 329 "#endif\n",
 330 "\n",
 331 "#ifdef FRAGMENT_SHADER\n",
 332 "\n",
 333 "void main\n",
 334 "(\n",
 335 "float2 TexCoord : TEXCOORD0,\n",
 336 "uniform sampler Texture_First : register(s0),\n",
 337 "uniform float4 BloomBlur_Parameters : register(c1),\n",
 338 "out float4 dp_FragColor : COLOR\n",
 339 ")\n",
 340 "{\n",
 341 "       int i;\n",
 342 "       float2 tc = TexCoord;\n",
 343 "       float3 color = tex2D(Texture_First, tc).rgb;\n",
 344 "       tc += BloomBlur_Parameters.xy;\n",
 345 "       for (i = 1;i < SAMPLES;i++)\n",
 346 "       {\n",
 347 "               color += tex2D(Texture_First, tc).rgb;\n",
 348 "               tc += BloomBlur_Parameters.xy;\n",
 349 "       }\n",
 350 "       dp_FragColor = float4(color * BloomBlur_Parameters.z + float3(BloomBlur_Parameters.w), 1);\n",
 351 "}\n",
 352 "#endif\n",
 353 "#else // !MODE_BLOOMBLUR\n",
 354 "#ifdef MODE_REFRACTION\n",
 355 "#ifdef VERTEX_SHADER\n",
 356 "void main\n",
 357 "(\n",
 358 "float4 gl_Vertex : POSITION,\n",
 359 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n",
 360 "#ifdef USEALPHAGENVERTEX\n",
 361 "float4 gl_Color : COLOR0,\n",
 362 "#endif\n",
 363 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n",
 364 "uniform float4x4 TexMatrix : register(c0),\n",
 365 "uniform float3 EyePosition : register(c24),\n",
 366 "#ifdef USEALPHAGENVERTEX\n",
 367 "out float4 gl_FrontColor : COLOR,\n",
 368 "#endif\n",
 369 "out float4 gl_Position : POSITION,\n",
 370 "out float2 TexCoord : TEXCOORD0,\n",
 371 "out float3 EyeVector : TEXCOORD1,\n",
 372 "out float4 ModelViewProjectionPosition : TEXCOORD2\n",
 373 ")\n",
 374 "{\n",
 375 "#ifdef USEALPHAGENVERTEX\n",
 376 "       gl_FrontColor = gl_Color;\n",
 377 "#endif\n",
 378 "       TexCoord = mul(TexMatrix, gl_MultiTexCoord0).xy;\n",
 379 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n",
 380 "       ModelViewProjectionPosition = gl_Position;\n",
 381 "#ifdef USETRIPPY\n",
 382 "       gl_Position = TrippyVertex(gl_Position);\n",
 383 "#endif\n",
 384 "}\n",
 385 "#endif\n",
 386 "\n",
 387 "#ifdef FRAGMENT_SHADER\n",
 388 "void main\n",
 389 "(\n",
 390 "#ifdef USEALPHAGENVERTEX\n",
 391 "float4 gl_FrontColor : COLOR,\n",
 392 "#endif\n",
 393 "float2 TexCoord : TEXCOORD0,\n",
 394 "float3 EyeVector : TEXCOORD1,\n",
 395 "float4 ModelViewProjectionPosition : TEXCOORD2,\n",
 396 "uniform sampler Texture_Normal : register(s0),\n",
 397 "uniform sampler Texture_Refraction : register(s3),\n",
 398 "uniform sampler Texture_Reflection : register(s7),\n",
 399 "uniform float4 DistortScaleRefractReflect : register(c14),\n",
 400 "uniform float4 ScreenScaleRefractReflect : register(c32),\n",
 401 "uniform float4 ScreenCenterRefractReflect : register(c31),\n",
 402 "uniform float4 RefractColor : register(c29),\n",
 403 "out float4 dp_FragColor : COLOR\n",
 404 ")\n",
 405 "{\n",
 406 "       float2 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect.xy * (1.0 / ModelViewProjectionPosition.w);\n",
 407 "       //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",
 408 "       float2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n",
 409 "#ifdef USEALPHAGENVERTEX\n",
 410 "       float2 distort = DistortScaleRefractReflect.xy * gl_FrontColor.a;\n",
 411 "       float4 refractcolor = mix(RefractColor, vec4(1.0, 1.0, 1.0, 1.0), gl_FrontColor.a);\n",
 412 "#else\n",
 413 "       float2 distort = DistortScaleRefractReflect.xy;\n",
 414 "       float4 refractcolor = RefractColor;\n",
 415 "#endif\n",
 416 "       float2 ScreenTexCoord = SafeScreenTexCoord + normalize(tex2D(Texture_Normal, TexCoord).rgb - float3(0.5,0.5,0.5)).xy * distort;\n",
 417 "       // FIXME temporary hack to detect the case that the reflection\n",
 418 "       // gets blackened at edges due to leaving the area that contains actual\n",
 419 "       // content.\n",
 420 "       // Remove this 'ack once we have a better way to stop this thing from\n",
 421 "       // 'appening.\n",
 422 "       float f = min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(0.01, 0.01)).rgb) / 0.05);\n",
 423 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(0.01, -0.01)).rgb) / 0.05);\n",
 424 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(-0.01, 0.01)).rgb) / 0.05);\n",
 425 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(-0.01, -0.01)).rgb) / 0.05);\n",
 426 "       ScreenTexCoord = lerp(SafeScreenTexCoord, ScreenTexCoord, f);\n",
 427 "       dp_FragColor = float4(tex2D(Texture_Refraction, ScreenTexCoord).rgb, 1) * refractcolor;\n",
 428 "}\n",
 429 "#endif\n",
 430 "#else // !MODE_REFRACTION\n",
 431 "\n",
 432 "\n",
 433 "\n",
 434 "\n",
 435 "#ifdef MODE_WATER\n",
 436 "#ifdef VERTEX_SHADER\n",
 437 "\n",
 438 "void main\n",
 439 "(\n",
 440 "float4 gl_Vertex : POSITION,\n",
 441 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n",
 442 "#ifdef USEALPHAGENVERTEX\n",
 443 "float4 gl_Color : COLOR0,\n",
 444 "#endif\n",
 445 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n",
 446 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n",
 447 "float4 gl_MultiTexCoord2 : TEXCOORD2,\n",
 448 "float4 gl_MultiTexCoord3 : TEXCOORD3,\n",
 449 "uniform float4x4 TexMatrix : register(c0),\n",
 450 "uniform float3 EyePosition : register(c24),\n",
 451 "#ifdef USEALPHAGENVERTEX\n",
 452 "out float4 gl_FrontColor : COLOR,\n",
 453 "#endif\n",
 454 "out float4 gl_Position : POSITION,\n",
 455 "out float2 TexCoord : TEXCOORD0,\n",
 456 "out float3 EyeVector : TEXCOORD1,\n",
 457 "out float4 ModelViewProjectionPosition : TEXCOORD2\n",
 458 ")\n",
 459 "{\n",
 460 "#ifdef USEALPHAGENVERTEX\n",
 461 "       gl_FrontColor = gl_Color;\n",
 462 "#endif\n",
 463 "       TexCoord = mul(TexMatrix, gl_MultiTexCoord0).xy;\n",
 464 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n",
 465 "       EyeVector = float3(dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz));\n",
 466 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n",
 467 "       ModelViewProjectionPosition = gl_Position;\n",
 468 "#ifdef USETRIPPY\n",
 469 "       gl_Position = TrippyVertex(gl_Position);\n",
 470 "#endif\n",
 471 "}\n",
 472 "#endif\n",
 473 "\n",
 474 "#ifdef FRAGMENT_SHADER\n",
 475 "void main\n",
 476 "(\n",
 477 "#ifdef USEALPHAGENVERTEX\n",
 478 "float4 gl_FrontColor : COLOR,\n",
 479 "#endif\n",
 480 "float2 TexCoord : TEXCOORD0,\n",
 481 "float3 EyeVector : TEXCOORD1,\n",
 482 "float4 ModelViewProjectionPosition : TEXCOORD2,\n",
 483 "uniform sampler Texture_Normal : register(s0),\n",
 484 "uniform sampler Texture_Refraction : register(s3),\n",
 485 "uniform sampler Texture_Reflection : register(s7),\n",
 486 "uniform float4 DistortScaleRefractReflect : register(c14),\n",
 487 "uniform float4 ScreenScaleRefractReflect : register(c32),\n",
 488 "uniform float4 ScreenCenterRefractReflect : register(c31),\n",
 489 "uniform float4 RefractColor : register(c29),\n",
 490 "uniform float4 ReflectColor : register(c26),\n",
 491 "uniform float ReflectFactor : register(c27),\n",
 492 "uniform float ReflectOffset : register(c28),\n",
 493 "out float4 dp_FragColor : COLOR\n",
 494 ")\n",
 495 "{\n",
 496 "       float4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n",
 497 "       //float4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(tex2D(Texture_Normal, TexCoord).rgb - float3(0.5,0.5,0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n",
 498 "       float4 SafeScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n",
 499 "       //SafeScreenTexCoord = gl_FragCoord.xyxy * float4(1.0 / 1920.0, 1.0 / 1200.0, 1.0 / 1920.0, 1.0 / 1200.0);\n",
 500 "#ifdef USEALPHAGENVERTEX\n",
 501 "       float4 distort = DistortScaleRefractReflect * gl_FrontColor.a;\n",
 502 "       float reflectoffset = ReflectOffset * gl_FrontColor.a;\n",
 503 "       float reflectfactor = ReflectFactor * gl_FrontColor.a;\n",
 504 "       float4 refractcolor = mix(RefractColor, vec4(1.0, 1.0, 1.0, 1.0), gl_FrontColor.a);\n",
 505 "#else\n",
 506 "       float4 distort = DistortScaleRefractReflect;\n",
 507 "       float reflectoffset = ReflectOffset;\n",
 508 "       float reflectfactor = ReflectFactor;\n",
 509 "       float4 refractcolor = RefractColor;\n",
 510 "#endif\n",
 511 "       float4 ScreenTexCoord = SafeScreenTexCoord + float2(normalize(tex2D(Texture_Normal, TexCoord).rgb - float3(0.5,0.5,0.5)).xy).xyxy * distort;\n",
 512 "       // FIXME temporary hack to detect the case that the reflection\n",
 513 "       // gets blackened at edges due to leaving the area that contains actual\n",
 514 "       // content.\n",
 515 "       // Remove this 'ack once we have a better way to stop this thing from\n",
 516 "       // 'appening.\n",
 517 "       float f = min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(0.01, 0.01)).rgb) / 0.05);\n",
 518 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(0.01, -0.01)).rgb) / 0.05);\n",
 519 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(-0.01, 0.01)).rgb) / 0.05);\n",
 520 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(-0.01, -0.01)).rgb) / 0.05);\n",
 521 "       ScreenTexCoord.xy = lerp(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f);\n",
 522 "       f  = min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(0.01, 0.01)).rgb) / 0.05);\n",
 523 "       f *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(0.01, -0.01)).rgb) / 0.05);\n",
 524 "       f *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(-0.01, 0.01)).rgb) / 0.05);\n",
 525 "       f *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(-0.01, -0.01)).rgb) / 0.05);\n",
 526 "       ScreenTexCoord.zw = lerp(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n",
 527 "       float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * reflectfactor + reflectoffset;\n",
 528 "       dp_FragColor = lerp(float4(tex2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * refractcolor, float4(tex2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n",
 529 "}\n",
 530 "#endif\n",
 531 "#else // !MODE_WATER\n",
 532 "\n",
 533 "\n",
 534 "\n",
 535 "\n",
 536 "// 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",
 537 "\n",
 538 "// fragment shader specific:\n",
 539 "#ifdef FRAGMENT_SHADER\n",
 540 "\n",
 541 "#ifdef USEFOG\n",
 542 "float3 FogVertex(float4 surfacecolor, float3 FogColor, float3 EyeVectorModelSpace, float FogPlaneVertexDist, float FogRangeRecip, float FogPlaneViewDist, float FogHeightFade, sampler Texture_FogMask, sampler Texture_FogHeightTexture)\n",
 543 "{\n",
 544 "       float fogfrac;\n",
 545 "       float3 fc = FogColor;\n",
 546 "#ifdef USEFOGALPHAHACK\n",
 547 "       fc *= surfacecolor.a;\n",
 548 "#endif\n",
 549 "#ifdef USEFOGHEIGHTTEXTURE\n",
 550 "       float4 fogheightpixel = tex2D(Texture_FogHeightTexture, float2(1,1) + float2(FogPlaneVertexDist, FogPlaneViewDist) * (-2.0 * FogHeightFade));\n",
 551 "       fogfrac = fogheightpixel.a;\n",
 552 "       return lerp(fogheightpixel.rgb * fc, surfacecolor.rgb, tex2D(Texture_FogMask, float2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n",
 553 "#else\n",
 554 "# ifdef USEFOGOUTSIDE\n",
 555 "       fogfrac = min(0.0, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0, min(0.0, FogPlaneVertexDist) * FogHeightFade);\n",
 556 "# else\n",
 557 "       fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0, FogPlaneVertexDist)) * min(1.0, (min(0.0, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);\n",
 558 "# endif\n",
 559 "       return lerp(fc, surfacecolor.rgb, tex2D(Texture_FogMask, float2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n",
 560 "#endif\n",
 561 "}\n",
 562 "#endif\n",
 563 "\n",
 564 "#ifdef USEOFFSETMAPPING\n",
 565 "float2 OffsetMapping(float2 TexCoord, float4 OffsetMapping_ScaleSteps, float OffsetMapping_Bias, float OffsetMapping_LodDistance, float3 EyeVector, sampler Texture_Normal, float2 dPdx, float2 dPdy)\n",
 566 "{\n",
 567 "       float i;\n",
 568 "       // distance-based LOD\n",
 569 "#ifdef USEOFFSETMAPPING_LOD\n",
 570 "       //float LODFactor = min(1.0, OffsetMapping_LodDistance / EyeVectorFogDepth.z);\n",
 571 "       //float4 ScaleSteps = float4(OffsetMapping_ScaleSteps.x, OffsetMapping_ScaleSteps.y * LODFactor, OffsetMapping_ScaleSteps.z / LODFactor, OffsetMapping_ScaleSteps.w * LODFactor);\n",
 572 "       float GuessLODFactor = min(1.0, OffsetMapping_LodDistance / EyeVectorFogDepth.z);\n",
 573 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n",
 574 "       // stupid workaround because 1-step and 2-step reliefmapping is void\n",
 575 "       float LODSteps = max(3.0, ceil(GuessLODFactor * OffsetMapping_ScaleSteps.y));\n",
 576 "#else\n",
 577 "       float LODSteps = ceil(GuessLODFactor * OffsetMapping_ScaleSteps.y);\n",
 578 "#endif\n",
 579 "       float LODFactor = LODSteps / OffsetMapping_ScaleSteps.y;\n",
 580 "       float4 ScaleSteps = float4(OffsetMapping_ScaleSteps.x, LODSteps, 1.0 / LODSteps, OffsetMapping_ScaleSteps.w * LODFactor);\n",
 581 "#else\n",
 582 "       #define ScaleSteps OffsetMapping_ScaleSteps\n",
 583 "#endif\n",
 584 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n",
 585 "       // 14 sample relief mapping: linear search and then binary search\n",
 586 "       // this basically steps forward a small amount repeatedly until it finds\n",
 587 "       // itself inside solid, then jitters forward and back using decreasing\n",
 588 "       // amounts to find the impact\n",
 589 "       //float3 OffsetVector = float3(EyeVector.xy * ((1.0 / EyeVector.z) * ScaleSteps.x) * float2(-1, 1), -1);\n",
 590 "       //float3 OffsetVector = float3(normalize(EyeVector.xy) * ScaleSteps.x * float2(-1, 1), -1);\n",
 591 "       float3 OffsetVector = float3(normalize(EyeVector).xy * ScaleSteps.x * float2(-1, 1), -1);\n",
 592 "       float3 RT = float3(float2(TexCoord.xy - OffsetVector.xy*OffsetMapping_Bias), 1);\n",
 593 "       OffsetVector *= ScaleSteps.z;\n",
 594 "       for(i = 1.0; i < ScaleSteps.y; ++i)\n",
 595 "               RT += OffsetVector *  step(tex2Dgrad(Texture_Normal, RT.xy, dPdx, dPdy).a, RT.z);\n",
 596 "       for(i = 0.0, f = 1.0; i < ScaleSteps.w; ++i, f *= 0.5)\n",
 597 "               RT += OffsetVector * (step(tex2Dgrad(Texture_Normal, RT.xy, dPdx, dPdy).a, RT.z) * f - 0.5 * f);\n",
 598 "       return RT.xy;\n",
 599 "#else\n",
 600 "       // 2 sample offset mapping (only 2 samples because of ATI Radeon 9500-9800/X300 limits)\n",
 601 "       //float2 OffsetVector = float2(EyeVector.xy * ((1.0 / EyeVector.z) * ScaleSteps.x) * float2(-1, 1));\n",
 602 "       //float2 OffsetVector = float2(normalize(EyeVector.xy) * ScaleSteps.x * float2(-1, 1));\n",
 603 "       float2 OffsetVector = float2(normalize(EyeVector).xy * ScaleSteps.x * float2(-1, 1));\n",
 604 "       OffsetVector *= ScaleSteps.z;\n",
 605 "       for(i = 0.0; i < ScaleSteps.y; ++i)\n",
 606 "               TexCoord += OffsetVector * ((1.0 - OffsetMapping_Bias) - tex2Dgrad(Texture_Normal, TexCoord, dPdx, dPdy).a);\n",
 607 "       return TexCoord;\n",
 608 "#endif\n",
 609 "}\n",
 610 "#endif // USEOFFSETMAPPING\n",
 611 "\n",
 612 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USESHADOWMAPORTHO)\n",
 613 "#if defined(USESHADOWMAP2D)\n",
 614 "# ifdef USESHADOWMAPORTHO\n",
 615 "#  define GetShadowMapTC2D(dir, ShadowMap_Parameters) (min(dir, ShadowMap_Parameters.xyz))\n",
 616 "# else\n",
 617 "#  ifdef USESHADOWMAPVSDCT\n",
 618 "float3 GetShadowMapTC2D(float3 dir, float4 ShadowMap_Parameters, samplerCUBE Texture_CubeProjection)\n",
 619 "{\n",
 620 "       float3 adir = abs(dir);\n",
 621 "       float2 mparams = ShadowMap_Parameters.xy / max(max(adir.x, adir.y), adir.z);\n",
 622 "       float4 proj = texCUBE(Texture_CubeProjection, dir);\n",
 623 "       return float3(lerp(dir.xy, dir.zz, proj.xy) * mparams.x + proj.zw * ShadowMap_Parameters.z, mparams.y + ShadowMap_Parameters.w);\n",
 624 "}\n",
 625 "#  else\n",
 626 "float3 GetShadowMapTC2D(float3 dir, float4 ShadowMap_Parameters)\n",
 627 "{\n",
 628 "       float3 adir = abs(dir);\n",
 629 "       float m; float4 proj;\n",
 630 "       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",
 631 "       if (adir.z > m) { m = adir.z; proj = float4(dir, 2.5); }\n",
 632 "#ifdef HLSL\n",
 633 "       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",
 634 "#else\n",
 635 "       float2 mparams = ShadowMap_Parameters.xy / m;\n",
 636 "       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",
 637 "#endif\n",
 638 "}\n",
 639 "#  endif\n",
 640 "# endif\n",
 641 "#endif // defined(USESHADOWMAP2D)\n",
 642 "\n",
 643 "# ifdef USESHADOWMAP2D\n",
 644 "#ifdef USESHADOWMAPVSDCT\n",
 645 "float ShadowMapCompare(float3 dir, sampler Texture_ShadowMap2D, float4 ShadowMap_Parameters, float2 ShadowMap_TextureScale, samplerCUBE Texture_CubeProjection)\n",
 646 "#else\n",
 647 "float ShadowMapCompare(float3 dir, sampler Texture_ShadowMap2D, float4 ShadowMap_Parameters, float2 ShadowMap_TextureScale)\n",
 648 "#endif\n",
 649 "{\n",
 650 "#ifdef USESHADOWMAPVSDCT\n",
 651 "       float3 shadowmaptc = GetShadowMapTC2D(dir, ShadowMap_Parameters, Texture_CubeProjection);\n",
 652 "#else\n",
 653 "       float3 shadowmaptc = GetShadowMapTC2D(dir, ShadowMap_Parameters);\n",
 654 "#endif\n",
 655 "       float f;\n",
 656 "\n",
 657 "#  ifdef USESHADOWSAMPLER\n",
 658 "#    ifdef USESHADOWMAPPCF\n",
 659 "#      define texval(x, y) tex2Dproj(Texture_ShadowMap2D, float4(center + float2(x, y)*ShadowMap_TextureScale, shadowmaptc.z, 1.0)).r  \n",
 660 "       float2 center = shadowmaptc.xy*ShadowMap_TextureScale;\n",
 661 "       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",
 662 "#    else\n",
 663 "       f = tex2Dproj(Texture_ShadowMap2D, float4(shadowmaptc.xy*ShadowMap_TextureScale, shadowmaptc.z, 1.0)).r;\n",
 664 "#    endif\n",
 665 "#  else\n",
 666 "#    ifdef USESHADOWMAPPCF\n",
 667 "#     if defined(GL_ARB_texture_gather) || defined(GL_AMD_texture_texture4)\n",
 668 "#      ifdef GL_ARB_texture_gather\n",
 669 "#        define texval(x, y) textureGatherOffset(Texture_ShadowMap2D, center, int2(x, y))\n",
 670 "#      else\n",
 671 "#        define texval(x, y) texture4(Texture_ShadowMap2D, center + float2(x, y)*ShadowMap_TextureScale)\n",
 672 "#      endif\n",
 673 "       float2 offset = frac(shadowmaptc.xy - 0.5), center = (shadowmaptc.xy - offset)*ShadowMap_TextureScale;\n",
 674 "#      if USESHADOWMAPPCF > 1\n",
 675 "       float4 group1 = step(shadowmaptc.z, texval(-2.0, -2.0));\n",
 676 "       float4 group2 = step(shadowmaptc.z, texval( 0.0, -2.0));\n",
 677 "       float4 group3 = step(shadowmaptc.z, texval( 2.0, -2.0));\n",
 678 "       float4 group4 = step(shadowmaptc.z, texval(-2.0,  0.0));\n",
 679 "       float4 group5 = step(shadowmaptc.z, texval( 0.0,  0.0));\n",
 680 "       float4 group6 = step(shadowmaptc.z, texval( 2.0,  0.0));\n",
 681 "       float4 group7 = step(shadowmaptc.z, texval(-2.0,  2.0));\n",
 682 "       float4 group8 = step(shadowmaptc.z, texval( 0.0,  2.0));\n",
 683 "       float4 group9 = step(shadowmaptc.z, texval( 2.0,  2.0));\n",
 684 "       float4 locols = float4(group1.ab, group3.ab);\n",
 685 "       float4 hicols = float4(group7.rg, group9.rg);\n",
 686 "       locols.yz += group2.ab;\n",
 687 "       hicols.yz += group8.rg;\n",
 688 "       float4 midcols = float4(group1.rg, group3.rg) + float4(group7.ab, group9.ab) +\n",
 689 "                               float4(group4.rg, group6.rg) + float4(group4.ab, group6.ab) +\n",
 690 "                               lerp(locols, hicols, offset.y);\n",
 691 "       float4 cols = group5 + float4(group2.rg, group8.ab);\n",
 692 "       cols.xyz += lerp(midcols.xyz, midcols.yzw, offset.x);\n",
 693 "       f = dot(cols, float4(1.0/25.0));\n",
 694 "#      else\n",
 695 "       float4 group1 = step(shadowmaptc.z, texval(-1.0, -1.0));\n",
 696 "       float4 group2 = step(shadowmaptc.z, texval( 1.0, -1.0));\n",
 697 "       float4 group3 = step(shadowmaptc.z, texval(-1.0,  1.0));\n",
 698 "       float4 group4 = step(shadowmaptc.z, texval( 1.0,  1.0));\n",
 699 "       float4 cols = float4(group1.rg, group2.rg) + float4(group3.ab, group4.ab) +\n",
 700 "                               lerp(float4(group1.ab, group2.ab), float4(group3.rg, group4.rg), offset.y);\n",
 701 "       f = dot(lerp(cols.xyz, cols.yzw, offset.x), float3(1.0/9.0));\n",
 702 "#      endif\n",
 703 "#     else\n",
 704 "#      ifdef GL_EXT_gpu_shader4\n",
 705 "#        define texval(x, y) tex2DOffset(Texture_ShadowMap2D, center, int2(x, y)).r\n",
 706 "#      else\n",
 707 "#        define texval(x, y) texDepth2D(Texture_ShadowMap2D, center + float2(x, y)*ShadowMap_TextureScale).r  \n",
 708 "#      endif\n",
 709 "#      if USESHADOWMAPPCF > 1\n",
 710 "       float2 center = shadowmaptc.xy - 0.5, offset = frac(center);\n",
 711 "       center *= ShadowMap_TextureScale;\n",
 712 "       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",
 713 "       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",
 714 "       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",
 715 "       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",
 716 "       float4 cols = row2 + row3 + lerp(row1, row4, offset.y);\n",
 717 "       f = dot(lerp(cols.xyz, cols.yzw, offset.x), float3(1.0/9.0));\n",
 718 "#      else\n",
 719 "       float2 center = shadowmaptc.xy*ShadowMap_TextureScale, offset = frac(shadowmaptc.xy);\n",
 720 "       float3 row1 = step(shadowmaptc.z, float3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n",
 721 "       float3 row2 = step(shadowmaptc.z, float3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n",
 722 "       float3 row3 = step(shadowmaptc.z, float3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n",
 723 "       float3 cols = row2 + lerp(row1, row3, offset.y);\n",
 724 "       f = dot(lerp(cols.xy, cols.yz, offset.x), float2(0.25,0.25));\n",
 725 "#      endif\n",
 726 "#     endif\n",
 727 "#    else\n",
 728 "       f = step(shadowmaptc.z, tex2D(Texture_ShadowMap2D, shadowmaptc.xy*ShadowMap_TextureScale).r);\n",
 729 "#    endif\n",
 730 "#  endif\n",
 731 "#  ifdef USESHADOWMAPORTHO\n",
 732 "       return lerp(ShadowMap_Parameters.w, 1.0, f);\n",
 733 "#  else\n",
 734 "       return f;\n",
 735 "#  endif\n",
 736 "}\n",
 737 "# endif\n",
 738 "#endif // !defined(MODE_LIGHTSOURCE) && !defined(MODE_DEFERREDLIGHTSOURCE) && !defined(USESHADOWMAPORTHO)\n",
 739 "#endif // FRAGMENT_SHADER\n",
 740 "\n",
 741 "\n",
 742 "\n",
 743 "\n",
 744 "#ifdef MODE_DEFERREDGEOMETRY\n",
 745 "#ifdef VERTEX_SHADER\n",
 746 "void main\n",
 747 "(\n",
 748 "float4 gl_Vertex : POSITION,\n",
 749 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n",
 750 "#ifdef USEVERTEXTEXTUREBLEND\n",
 751 "float4 gl_Color : COLOR0,\n",
 752 "#endif\n",
 753 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n",
 754 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n",
 755 "float4 gl_MultiTexCoord2 : TEXCOORD2,\n",
 756 "float4 gl_MultiTexCoord3 : TEXCOORD3,\n",
 757 "uniform float4x4 TexMatrix : register(c0),\n",
 758 "#ifdef USEVERTEXTEXTUREBLEND\n",
 759 "uniform float4x4 BackgroundTexMatrix : register(c4),\n",
 760 "#endif\n",
 761 "uniform float4x4 ModelViewMatrix : register(c12),\n",
 762 "#ifdef USEOFFSETMAPPING\n",
 763 "uniform float3 EyePosition : register(c24),\n",
 764 "#endif\n",
 765 "out float4 gl_Position : POSITION,\n",
 766 "#ifdef USEVERTEXTEXTUREBLEND\n",
 767 "out float4 gl_FrontColor : COLOR,\n",
 768 "#endif\n",
 769 "out float4 TexCoordBoth : TEXCOORD0,\n",
 770 "#ifdef USEOFFSETMAPPING\n",
 771 "out float3 EyeVector : TEXCOORD2,\n",
 772 "#endif\n",
 773 "out float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n",
 774 "out float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n",
 775 "out float4 VectorR : TEXCOORD7 // direction of R texcoord (surface normal), Depth value\n",
 776 ")\n",
 777 "{\n",
 778 "       TexCoordBoth = mul(TexMatrix, gl_MultiTexCoord0);\n",
 779 "#ifdef USEVERTEXTEXTUREBLEND\n",
 780 "       gl_FrontColor = gl_Color;\n",
 781 "       TexCoordBoth.zw = float2(Backgroundmul(TexMatrix, gl_MultiTexCoord0));\n",
 782 "#endif\n",
 783 "\n",
 784 "       // transform unnormalized eye direction into tangent space\n",
 785 "#ifdef USEOFFSETMAPPING\n",
 786 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n",
 787 "       EyeVector = float3(dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz));\n",
 788 "#endif\n",
 789 "\n",
 790 "       VectorS = mul(ModelViewMatrix, float4(gl_MultiTexCoord1.xyz, 0)).xyz;\n",
 791 "       VectorT = mul(ModelViewMatrix, float4(gl_MultiTexCoord2.xyz, 0)).xyz;\n",
 792 "       VectorR.xyz = mul(ModelViewMatrix, float4(gl_MultiTexCoord3.xyz, 0)).xyz;\n",
 793 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n",
 794 "#ifdef USETRIPPY\n",
 795 "       gl_Position = TrippyVertex(gl_Position);\n",
 796 "#endif\n",
 797 "       VectorR.w = mul(ModelViewMatrix, gl_Vertex).z;\n",
 798 "}\n",
 799 "#endif // VERTEX_SHADER\n",
 800 "\n",
 801 "#ifdef FRAGMENT_SHADER\n",
 802 "void main\n",
 803 "(\n",
 804 "float4 TexCoordBoth : TEXCOORD0,\n",
 805 "float3 EyeVector : TEXCOORD2,\n",
 806 "float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n",
 807 "float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n",
 808 "float4 VectorR : TEXCOORD7, // direction of R texcoord (surface normal), Depth value\n",
 809 "uniform sampler Texture_Normal : register(s0),\n",
 810 "#ifdef USEALPHAKILL\n",
 811 "uniform sampler Texture_Color : register(s1),\n",
 812 "#endif\n",
 813 "uniform sampler Texture_Gloss : register(s2),\n",
 814 "#ifdef USEVERTEXTEXTUREBLEND\n",
 815 "uniform sampler Texture_SecondaryNormal : register(s4),\n",
 816 "uniform sampler Texture_SecondaryGloss : register(s6),\n",
 817 "#endif\n",
 818 "#ifdef USEOFFSETMAPPING\n",
 819 "uniform float4 OffsetMapping_ScaleSteps : register(c24),\n",
 820 "uniform float4 OffsetMapping_LodDistance : register(c53),\n",
 821 "uniform float OffsetMapping_Bias : register(c54),\n",
 822 "#endif\n",
 823 "uniform half SpecularPower : register(c36),\n",
 824 "out float4 dp_FragColor : COLOR\n",
 825 ")\n",
 826 "{\n",
 827 "       float2 TexCoord = TexCoordBoth.xy;\n",
 828 "#ifdef USEOFFSETMAPPING\n",
 829 "       // apply offsetmapping\n",
 830 "       float2 dPdx = ddx(TexCoord);\n",
 831 "       float2 dPdy = ddy(TexCoord);\n",
 832 "       float2 TexCoordOffset = OffsetMapping(TexCoord, OffsetMapping_ScaleSteps, OffsetMapping_Bias, OffsetMapping_LodDistance, EyeVector, Texture_Normal, dPdx, dPdy);\n",
 833 "# define offsetMappedTexture2D(t) tex2Dgrad(t, TexCoordOffset, dPdx, dPdy)\n",
 834 "#else\n",
 835 "# define offsetMappedTexture2D(t) tex2D(t, TexCoord)\n",
 836 "#endif\n",
 837 "\n",
 838 "#ifdef USEALPHAKILL\n",
 839 "       if (offsetMappedTexture2D(Texture_Color).a < 0.5)\n",
 840 "               discard;\n",
 841 "#endif\n",
 842 "\n",
 843 "#ifdef USEVERTEXTEXTUREBLEND\n",
 844 "       float alpha = offsetMappedTexture2D(Texture_Color).a;\n",
 845 "       float terrainblend = clamp(float(gl_FrontColor.a) * alpha * 2.0 - 0.5, float(0.0), float(1.0));\n",
 846 "       //float terrainblend = min(float(gl_FrontColor.a) * alpha * 2.0, float(1.0));\n",
 847 "       //float terrainblend = float(gl_FrontColor.a) * alpha > 0.5;\n",
 848 "#endif\n",
 849 "\n",
 850 "#ifdef USEVERTEXTEXTUREBLEND\n",
 851 "       float3 surfacenormal = lerp(tex2D(Texture_SecondaryNormal, TexCoord2).rgb, offsetMappedTexture2D(Texture_Normal).rgb, terrainblend) - float3(0.5, 0.5, 0.5);\n",
 852 "       float a = lerp(tex2D(Texture_SecondaryGloss, TexCoord2).a, offsetMappedTexture2D(Texture_Gloss).a, terrainblend);\n",
 853 "#else\n",
 854 "       float3 surfacenormal = offsetMappedTexture2D(Texture_Normal).rgb - float3(0.5, 0.5, 0.5);\n",
 855 "       float a = offsetMappedTexture2D(Texture_Gloss).a;\n",
 856 "#endif\n",
 857 "\n",
 858 "       float3 pixelnormal = normalize(surfacenormal.x * VectorS.xyz + surfacenormal.y * VectorT.xyz + surfacenormal.z * VectorR.xyz);\n",
 859 "       dp_FragColor = float4(pixelnormal.x, pixelnormal.y, VectorR.w, a);\n",
 860 "}\n",
 861 "#endif // FRAGMENT_SHADER\n",
 862 "#else // !MODE_DEFERREDGEOMETRY\n",
 863 "\n",
 864 "\n",
 865 "\n",
 866 "\n",
 867 "#ifdef MODE_DEFERREDLIGHTSOURCE\n",
 868 "#ifdef VERTEX_SHADER\n",
 869 "void main\n",
 870 "(\n",
 871 "float4 gl_Vertex : POSITION,\n",
 872 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n",
 873 "uniform float4x4 ModelViewMatrix : register(c12),\n",
 874 "out float4 gl_Position : POSITION,\n",
 875 "out float4 ModelViewPosition : TEXCOORD0\n",
 876 ")\n",
 877 "{\n",
 878 "       ModelViewPosition = mul(ModelViewMatrix, gl_Vertex);\n",
 879 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n",
 880 "}\n",
 881 "#endif // VERTEX_SHADER\n",
 882 "\n",
 883 "#ifdef FRAGMENT_SHADER\n",
 884 "void main\n",
 885 "(\n",
 886 "#ifdef HLSL\n",
 887 "float2 Pixel : VPOS,\n",
 888 "#else\n",
 889 "float2 Pixel : WPOS,\n",
 890 "#endif\n",
 891 "float4 ModelViewPosition : TEXCOORD0,\n",
 892 "uniform float4x4 ViewToLight : register(c44),\n",
 893 "uniform float2 ScreenToDepth : register(c33), // ScreenToDepth = float2(Far / (Far - Near), Far * Near / (Near - Far));\n",
 894 "uniform float3 LightPosition : register(c23),\n",
 895 "uniform half2 PixelToScreenTexCoord : register(c42),\n",
 896 "uniform half3 DeferredColor_Ambient : register(c9),\n",
 897 "uniform half3 DeferredColor_Diffuse : register(c10),\n",
 898 "#ifdef USESPECULAR\n",
 899 "uniform half3 DeferredColor_Specular : register(c11),\n",
 900 "uniform half SpecularPower : register(c36),\n",
 901 "#endif\n",
 902 "uniform sampler Texture_Attenuation : register(s9),\n",
 903 "uniform sampler Texture_ScreenDepth : register(s13),\n",
 904 "uniform sampler Texture_ScreenNormalMap : register(s14),\n",
 905 "\n",
 906 "#ifdef USECUBEFILTER\n",
 907 "uniform samplerCUBE Texture_Cube : register(s10),\n",
 908 "#endif\n",
 909 "\n",
 910 "#ifdef USESHADOWMAP2D\n",
 911 "# ifdef USESHADOWSAMPLER\n",
 912 "uniform sampler Texture_ShadowMap2D : register(s15),\n",
 913 "# else\n",
 914 "uniform sampler Texture_ShadowMap2D : register(s15),\n",
 915 "# endif\n",
 916 "#endif\n",
 917 "\n",
 918 "#ifdef USESHADOWMAPVSDCT\n",
 919 "uniform samplerCUBE Texture_CubeProjection : register(s12),\n",
 920 "#endif\n",
 921 "\n",
 922 "#if defined(USESHADOWMAP2D)\n",
 923 "uniform float2 ShadowMap_TextureScale : register(c35),\n",
 924 "uniform float4 ShadowMap_Parameters : register(c34),\n",
 925 "#endif\n",
 926 "\n",
 927 "out float4 gl_FragData0 : COLOR0,\n",
 928 "out float4 gl_FragData1 : COLOR1\n",
 929 ")\n",
 930 "{\n",
 931 "       // calculate viewspace pixel position\n",
 932 "       float2 ScreenTexCoord = Pixel * PixelToScreenTexCoord;\n",
 933 "       float3 position;\n",
 934 "       // get the geometry information (depth, normal, specular exponent)\n",
 935 "       half4 normalmap = half4(tex2D(Texture_ScreenNormalMap, ScreenTexCoord));\n",
 936 "       // decode viewspace pixel normal\n",
 937 "//     float3 surfacenormal = normalize(normalmap.rgb - cast_myhalf3(0.5,0.5,0.5));\n",
 938 "       float3 surfacenormal = half3(normalmap.rg, sqrt(1.0-dot(normalmap.rg, normalmap.rg)));\n",
 939 "       // decode viewspace pixel position\n",
 940 "//     position.z = decodedepthmacro(dp_texture2D(Texture_ScreenDepth, ScreenTexCoord));\n",
 941 "       position.z = normalmap.b;\n",
 942 "//     position.z = ScreenToDepth.y / (dp_texture2D(Texture_ScreenDepth, ScreenTexCoord).r + ScreenToDepth.x);\n",
 943 "       position.xy = ModelViewPosition.xy * (position.z / ModelViewPosition.z);\n",
 944 "\n",
 945 "       // now do the actual shading\n",
 946 "       // surfacenormal = pixel normal in viewspace\n",
 947 "       // LightVector = pixel to light in viewspace\n",
 948 "       // CubeVector = position in lightspace\n",
 949 "       // eyevector = pixel to view in viewspace\n",
 950 "       float3 CubeVector = mul(ViewToLight, float4(position,1)).xyz;\n",
 951 "       half fade = half(tex2D(Texture_Attenuation, float2(length(CubeVector), 0.0)).r);\n",
 952 "#ifdef USEDIFFUSE\n",
 953 "       // calculate diffuse shading\n",
 954 "       half3 lightnormal = half3(normalize(LightPosition - position));\n",
 955 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n",
 956 "#endif\n",
 957 "#ifdef USESPECULAR\n",
 958 "       // calculate directional shading\n",
 959 "       float3 eyevector = position * -1.0;\n",
 960 "#  ifdef USEEXACTSPECULARMATH\n",
 961 "       half specular = half(pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(eyevector)))*-1.0, 0.0)), 1.0 + SpecularPower * normalmap.a));\n",
 962 "#  else\n",
 963 "       half3 specularnormal = half3(normalize(lightnormal + half3(normalize(eyevector))));\n",
 964 "       half specular = half(pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * normalmap.a));\n",
 965 "#  endif\n",
 966 "#endif\n",
 967 "\n",
 968 "#if defined(USESHADOWMAP2D)\n",
 969 "       fade *= half(ShadowMapCompare(CubeVector, Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale\n",
 970 "#ifdef USESHADOWMAPVSDCT\n",
 971 ", Texture_CubeProjection\n",
 972 "#endif\n",
 973 "       ));\n",
 974 "#endif\n",
 975 "\n",
 976 "#ifdef USEDIFFUSE\n",
 977 "       gl_FragData0 = float4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n",
 978 "#else\n",
 979 "       gl_FragData0 = float4(DeferredColor_Ambient * fade, 1.0);\n",
 980 "#endif\n",
 981 "#ifdef USESPECULAR\n",
 982 "       gl_FragData1 = float4(DeferredColor_Specular * (specular * fade), 1.0);\n",
 983 "#else\n",
 984 "       gl_FragData1 = float4(0.0, 0.0, 0.0, 1.0);\n",
 985 "#endif\n",
 986 "\n",
 987 "# ifdef USECUBEFILTER\n",
 988 "       float3 cubecolor = texCUBE(Texture_Cube, CubeVector).rgb;\n",
 989 "       gl_FragData0.rgb *= cubecolor;\n",
 990 "       gl_FragData1.rgb *= cubecolor;\n",
 991 "# endif\n",
 992 "}\n",
 993 "#endif // FRAGMENT_SHADER\n",
 994 "#else // !MODE_DEFERREDLIGHTSOURCE\n",
 995 "\n",
 996 "\n",
 997 "\n",
 998 "\n",
 999 "#ifdef VERTEX_SHADER\n",
1000 "void main\n",
1001 "(\n",
1002 "float4 gl_Vertex : POSITION,\n",
1003 "uniform float4x4 ModelViewProjectionMatrix : register(c8),\n",
1004 "#if defined(USEVERTEXTEXTUREBLEND) || defined(MODE_VERTEXCOLOR) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR)\n",
1005 "float4 gl_Color : COLOR0,\n",
1006 "#endif\n",
1007 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n",
1008 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n",
1009 "float4 gl_MultiTexCoord2 : TEXCOORD2,\n",
1010 "float4 gl_MultiTexCoord3 : TEXCOORD3,\n",
1011 "float4 gl_MultiTexCoord4 : TEXCOORD4,\n",
1012 "\n",
1013 "uniform float3 EyePosition : register(c24),\n",
1014 "uniform float4x4 TexMatrix : register(c0),\n",
1015 "#ifdef USEVERTEXTEXTUREBLEND\n",
1016 "uniform float4x4 BackgroundTexMatrix : register(c4),\n",
1017 "#endif\n",
1018 "#ifdef MODE_LIGHTSOURCE\n",
1019 "uniform float4x4 ModelToLight : register(c20),\n",
1020 "#endif\n",
1021 "#ifdef MODE_LIGHTSOURCE\n",
1022 "uniform float3 LightPosition : register(c27),\n",
1023 "#endif\n",
1024 "#ifdef MODE_LIGHTDIRECTION\n",
1025 "uniform float3 LightDir : register(c26),\n",
1026 "#endif\n",
1027 "uniform float4 FogPlane : register(c25),\n",
1028 "#ifdef MODE_DEFERREDLIGHTSOURCE\n",
1029 "uniform float3 LightPosition : register(c27),\n",
1030 "#endif\n",
1031 "#ifdef USESHADOWMAPORTHO\n",
1032 "uniform float4x4 ShadowMapMatrix : register(c16),\n",
1033 "#endif\n",
1034 "#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR) || defined(USEALPHAGENVERTEX)\n",
1035 "out float4 gl_FrontColor : COLOR,\n",
1036 "#endif\n",
1037 "out float4 TexCoordBoth : TEXCOORD0,\n",
1038 "#ifdef USELIGHTMAP\n",
1039 "out float2 TexCoordLightmap : TEXCOORD1,\n",
1040 "#endif\n",
1041 "#ifdef USEEYEVECTOR\n",
1042 "out float3 EyeVector : TEXCOORD2,\n",
1043 "#endif\n",
1044 "#ifdef USEREFLECTION\n",
1045 "out float4 ModelViewProjectionPosition : TEXCOORD3,\n",
1046 "#endif\n",
1047 "#ifdef USEFOG\n",
1048 "out float4 EyeVectorModelSpaceFogPlaneVertexDist : TEXCOORD4,\n",
1049 "#endif\n",
1050 "#if defined(MODE_LIGHTDIRECTION) && defined(USEDIFFUSE) || defined(USEDIFFUSE)\n",
1051 "out float3 LightVector : TEXCOORD1,\n",
1052 "#endif\n",
1053 "#ifdef MODE_LIGHTSOURCE\n",
1054 "out float3 CubeVector : TEXCOORD3,\n",
1055 "#endif\n",
1056 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE)\n",
1057 "out float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n",
1058 "out float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n",
1059 "out float3 VectorR : TEXCOORD7, // direction of R texcoord (surface normal)\n",
1060 "#endif\n",
1061 "#ifdef USESHADOWMAPORTHO\n",
1062 "out float3 ShadowMapTC : TEXCOORD3, // CONFLICTS WITH USEREFLECTION!\n",
1063 "#endif\n",
1064 "out float4 gl_Position : POSITION\n",
1065 ")\n",
1066 "{\n",
1067 "#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR) || defined(USEALPHAGENVERTEX)\n",
1068 "       gl_FrontColor = gl_Color;\n",
1069 "#endif\n",
1070 "       // copy the surface texcoord\n",
1071 "       TexCoordBoth = mul(TexMatrix, gl_MultiTexCoord0);\n",
1072 "#ifdef USEVERTEXTEXTUREBLEND\n",
1073 "       TexCoordBoth.zw = mul(BackgroundTexMatrix, gl_MultiTexCoord0).xy;\n",
1074 "#endif\n",
1075 "#ifdef USELIGHTMAP\n",
1076 "       TexCoordLightmap = gl_MultiTexCoord4.xy;\n",
1077 "#endif\n",
1078 "\n",
1079 "#ifdef MODE_LIGHTSOURCE\n",
1080 "       // transform vertex position into light attenuation/cubemap space\n",
1081 "       // (-1 to +1 across the light box)\n",
1082 "       CubeVector = mul(ModelToLight, gl_Vertex).xyz;\n",
1083 "\n",
1084 "# ifdef USEDIFFUSE\n",
1085 "       // transform unnormalized light direction into tangent space\n",
1086 "       // (we use unnormalized to ensure that it interpolates correctly and then\n",
1087 "       //  normalize it per pixel)\n",
1088 "       float3 lightminusvertex = LightPosition - gl_Vertex.xyz;\n",
1089 "       LightVector = float3(dot(lightminusvertex, gl_MultiTexCoord1.xyz), dot(lightminusvertex, gl_MultiTexCoord2.xyz), dot(lightminusvertex, gl_MultiTexCoord3.xyz));\n",
1090 "# endif\n",
1091 "#endif\n",
1092 "\n",
1093 "#if defined(MODE_LIGHTDIRECTION) && defined(USEDIFFUSE)\n",
1094 "       LightVector = float3(dot(LightDir, gl_MultiTexCoord1.xyz), dot(LightDir, gl_MultiTexCoord2.xyz), dot(LightDir, gl_MultiTexCoord3.xyz));\n",
1095 "#endif\n",
1096 "\n",
1097 "       // transform unnormalized eye direction into tangent space\n",
1098 "#ifdef USEEYEVECTOR\n",
1099 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n",
1100 "       EyeVector = float3(dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz), dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz));\n",
1101 "#endif\n",
1102 "\n",
1103 "#ifdef USEFOG\n",
1104 "       EyeVectorModelSpaceFogPlaneVertexDist.xyz = EyePosition - gl_Vertex.xyz;\n",
1105 "       EyeVectorModelSpaceFogPlaneVertexDist.w = dot(FogPlane, gl_Vertex);\n",
1106 "#endif\n",
1107 "\n",
1108 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n",
1109 "       VectorS = gl_MultiTexCoord1.xyz;\n",
1110 "       VectorT = gl_MultiTexCoord2.xyz;\n",
1111 "       VectorR = gl_MultiTexCoord3.xyz;\n",
1112 "#endif\n",
1113 "\n",
1114 "       // transform vertex to camera space, using ftransform to match non-VS rendering\n",
1115 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n",
1116 "\n",
1117 "#ifdef USESHADOWMAPORTHO\n",
1118 "       ShadowMapTC = mul(ShadowMapMatrix, gl_Position).xyz;\n",
1119 "#endif\n",
1120 "\n",
1121 "#ifdef USEREFLECTION\n",
1122 "       ModelViewProjectionPosition = gl_Position;\n",
1123 "#endif\n",
1124 "#ifdef USETRIPPY\n",
1125 "       gl_Position = TrippyVertex(gl_Position);\n",
1126 "#endif\n",
1127 "}\n",
1128 "#endif // VERTEX_SHADER\n",
1129 "\n",
1130 "\n",
1131 "\n",
1132 "\n",
1133 "#ifdef FRAGMENT_SHADER\n",
1134 "void main\n",
1135 "(\n",
1136 "#ifdef USEDEFERREDLIGHTMAP\n",
1137 "#ifdef HLSL\n",
1138 "float2 Pixel : VPOS,\n",
1139 "#else\n",
1140 "float2 Pixel : WPOS,\n",
1141 "#endif\n",
1142 "#endif\n",
1143 "float4 gl_FrontColor : COLOR,\n",
1144 "float4 TexCoordBoth : TEXCOORD0,\n",
1145 "#ifdef USELIGHTMAP\n",
1146 "float2 TexCoordLightmap : TEXCOORD1,\n",
1147 "#endif\n",
1148 "#ifdef USEEYEVECTOR\n",
1149 "float3 EyeVector : TEXCOORD2,\n",
1150 "#endif\n",
1151 "#ifdef USEREFLECTION\n",
1152 "float4 ModelViewProjectionPosition : TEXCOORD3,\n",
1153 "#endif\n",
1154 "#ifdef USEFOG\n",
1155 "float4 EyeVectorModelSpaceFogPlaneVertexDist : TEXCOORD4,\n",
1156 "#endif\n",
1157 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_LIGHTDIRECTION)\n",
1158 "float3 LightVector : TEXCOORD1,\n",
1159 "#endif\n",
1160 "#ifdef MODE_LIGHTSOURCE\n",
1161 "float3 CubeVector : TEXCOORD3,\n",
1162 "#endif\n",
1163 "#ifdef MODE_DEFERREDLIGHTSOURCE\n",
1164 "float4 ModelViewPosition : TEXCOORD0,\n",
1165 "#endif\n",
1166 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE)\n",
1167 "float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n",
1168 "float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n",
1169 "float3 VectorR : TEXCOORD7, // direction of R texcoord (surface normal)\n",
1170 "#endif\n",
1171 "#ifdef USESHADOWMAPORTHO\n",
1172 "float3 ShadowMapTC : TEXCOORD3, // CONFLICTS WITH USEREFLECTION!\n",
1173 "#endif\n",
1174 "\n",
1175 "uniform sampler Texture_Normal : register(s0),\n",
1176 "uniform sampler Texture_Color : register(s1),\n",
1177 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n",
1178 "uniform sampler Texture_Gloss : register(s2),\n",
1179 "#endif\n",
1180 "#ifdef USEGLOW\n",
1181 "uniform sampler Texture_Glow : register(s3),\n",
1182 "#endif\n",
1183 "#ifdef USEVERTEXTEXTUREBLEND\n",
1184 "uniform sampler Texture_SecondaryNormal : register(s4),\n",
1185 "uniform sampler Texture_SecondaryColor : register(s5),\n",
1186 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n",
1187 "uniform sampler Texture_SecondaryGloss : register(s6),\n",
1188 "#endif\n",
1189 "#ifdef USEGLOW\n",
1190 "uniform sampler Texture_SecondaryGlow : register(s7),\n",
1191 "#endif\n",
1192 "#endif\n",
1193 "#ifdef USECOLORMAPPING\n",
1194 "uniform sampler Texture_Pants : register(s4),\n",
1195 "uniform sampler Texture_Shirt : register(s7),\n",
1196 "#endif\n",
1197 "#ifdef USEFOG\n",
1198 "uniform sampler Texture_FogHeightTexture : register(s14),\n",
1199 "uniform sampler Texture_FogMask : register(s8),\n",
1200 "#endif\n",
1201 "#ifdef USELIGHTMAP\n",
1202 "uniform sampler Texture_Lightmap : register(s9),\n",
1203 "#endif\n",
1204 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n",
1205 "uniform sampler Texture_Deluxemap : register(s10),\n",
1206 "#endif\n",
1207 "#ifdef USEREFLECTION\n",
1208 "uniform sampler Texture_Reflection : register(s7),\n",
1209 "#endif\n",
1210 "\n",
1211 "#ifdef MODE_DEFERREDLIGHTSOURCE\n",
1212 "uniform sampler Texture_ScreenDepth : register(s13),\n",
1213 "uniform sampler Texture_ScreenNormalMap : register(s14),\n",
1214 "#endif\n",
1215 "#ifdef USEDEFERREDLIGHTMAP\n",
1216 "uniform sampler Texture_ScreenDepth : register(s13),\n",
1217 "uniform sampler Texture_ScreenNormalMap : register(s14),\n",
1218 "uniform sampler Texture_ScreenDiffuse : register(s11),\n",
1219 "uniform sampler Texture_ScreenSpecular : register(s12),\n",
1220 "#endif\n",
1221 "\n",
1222 "#ifdef USECOLORMAPPING\n",
1223 "uniform half3 Color_Pants : register(c7),\n",
1224 "uniform half3 Color_Shirt : register(c8),\n",
1225 "#endif\n",
1226 "#ifdef USEFOG\n",
1227 "uniform float3 FogColor : register(c16),\n",
1228 "uniform float FogRangeRecip : register(c20),\n",
1229 "uniform float FogPlaneViewDist : register(c19),\n",
1230 "uniform float FogHeightFade : register(c17),\n",
1231 "#endif\n",
1232 "\n",
1233 "#ifdef USEOFFSETMAPPING\n",
1234 "uniform float4 OffsetMapping_ScaleSteps : register(c24),\n",
1235 "uniform float OffsetMapping_Bias : register(c54),\n",
1236 "#endif\n",
1237 "\n",
1238 "#ifdef USEDEFERREDLIGHTMAP\n",
1239 "uniform half2 PixelToScreenTexCoord : register(c42),\n",
1240 "uniform half3 DeferredMod_Diffuse : register(c12),\n",
1241 "uniform half3 DeferredMod_Specular : register(c13),\n",
1242 "#endif\n",
1243 "uniform half3 Color_Ambient : register(c3),\n",
1244 "uniform half3 Color_Diffuse : register(c4),\n",
1245 "uniform half3 Color_Specular : register(c5),\n",
1246 "uniform half SpecularPower : register(c36),\n",
1247 "#ifdef USEGLOW\n",
1248 "uniform half3 Color_Glow : register(c6),\n",
1249 "#endif\n",
1250 "uniform half Alpha : register(c0),\n",
1251 "#ifdef USEREFLECTION\n",
1252 "uniform float4 DistortScaleRefractReflect : register(c14),\n",
1253 "uniform float4 ScreenScaleRefractReflect : register(c32),\n",
1254 "uniform float4 ScreenCenterRefractReflect : register(c31),\n",
1255 "uniform half4 ReflectColor : register(c26),\n",
1256 "#endif\n",
1257 "#ifdef USEREFLECTCUBE\n",
1258 "uniform float4x4 ModelToReflectCube : register(c48),\n",
1259 "uniform sampler Texture_ReflectMask : register(s5),\n",
1260 "uniform samplerCUBE Texture_ReflectCube : register(s6),\n",
1261 "#endif\n",
1262 "#ifdef MODE_LIGHTDIRECTION\n",
1263 "uniform half3 LightColor : register(c21),\n",
1264 "#endif\n",
1265 "#ifdef MODE_LIGHTSOURCE\n",
1266 "uniform half3 LightColor : register(c21),\n",
1267 "#endif\n",
1268 "\n",
1269 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE)\n",
1270 "uniform sampler Texture_Attenuation : register(s9),\n",
1271 "uniform samplerCUBE Texture_Cube : register(s10),\n",
1272 "#endif\n",
1273 "\n",
1274 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USESHADOWMAPORTHO)\n",
1275 "\n",
1276 "#ifdef USESHADOWMAP2D\n",
1277 "# ifdef USESHADOWSAMPLER\n",
1278 "uniform sampler Texture_ShadowMap2D : register(s15),\n",
1279 "# else\n",
1280 "uniform sampler Texture_ShadowMap2D : register(s15),\n",
1281 "# endif\n",
1282 "#endif\n",
1283 "\n",
1284 "#ifdef USESHADOWMAPVSDCT\n",
1285 "uniform samplerCUBE Texture_CubeProjection : register(s12),\n",
1286 "#endif\n",
1287 "\n",
1288 "#if defined(USESHADOWMAP2D)\n",
1289 "uniform float2 ShadowMap_TextureScale : register(c35),\n",
1290 "uniform float4 ShadowMap_Parameters : register(c34),\n",
1291 "#endif\n",
1292 "#endif // !defined(MODE_LIGHTSOURCE) && !defined(MODE_DEFERREDLIGHTSOURCE) && !defined(USESHADOWMAPORTHO)\n",
1293 "\n",
1294 "out float4 dp_FragColor : COLOR\n",
1295 ")\n",
1296 "{\n",
1297 "       float2 TexCoord = TexCoordBoth.xy;\n",
1298 "#ifdef USEVERTEXTEXTUREBLEND\n",
1299 "       float2 TexCoord2 = TexCoordBoth.zw;\n",
1300 "#endif\n",
1301 "#ifdef USEOFFSETMAPPING\n",
1302 "       // apply offsetmapping\n",
1303 "       float2 dPdx = ddx(TexCoord);\n",
1304 "       float2 dPdy = ddy(TexCoord);\n",
1305 "       float2 TexCoordOffset = OffsetMapping(TexCoord, OffsetMapping_ScaleSteps, OffsetMapping_Bias, OffsetMapping_LodDistance, EyeVector, Texture_Normal, dPdx, dPdy);\n",
1306 "# define offsetMappedTexture2D(t) tex2Dgrad(t, TexCoordOffset, dPdx, dPdy)\n",
1307 "#else\n",
1308 "# define offsetMappedTexture2D(t) tex2D(t, TexCoord)\n",
1309 "#endif\n",
1310 "\n",
1311 "       // combine the diffuse textures (base, pants, shirt)\n",
1312 "       half4 color = half4(offsetMappedTexture2D(Texture_Color));\n",
1313 "#ifdef USEALPHAKILL\n",
1314 "       if (color.a < 0.5)\n",
1315 "               discard;\n",
1316 "#endif\n",
1317 "       color.a *= Alpha;\n",
1318 "#ifdef USECOLORMAPPING\n",
1319 "       color.rgb += half3(offsetMappedTexture2D(Texture_Pants).rgb) * Color_Pants + half3(offsetMappedTexture2D(Texture_Shirt).rgb) * Color_Shirt;\n",
1320 "#endif\n",
1321 "#ifdef USEVERTEXTEXTUREBLEND\n",
1322 "#ifdef USEBOTHALPHAS\n",
1323 "       half4 color2 = half4(tex2D(Texture_SecondaryColor, TexCoord2));\n",
1324 "       half terrainblend = clamp(half(gl_FrontColor.a) * color.a, half(1.0 - color2.a), half(1.0));\n",
1325 "       color.rgb = lerp(color2.rgb, color.rgb, terrainblend);\n",
1326 "#else\n",
1327 "       half terrainblend = clamp(half(gl_FrontColor.a) * color.a * 2.0 - 0.5, half(0.0), half(1.0));\n",
1328 "       //half terrainblend = min(half(gl_FrontColor.a) * color.a * 2.0, half(1.0));\n",
1329 "       //half terrainblend = half(gl_FrontColor.a) * color.a > 0.5;\n",
1330 "       color.rgb = half3(lerp(tex2D(Texture_SecondaryColor, TexCoord2).rgb, float3(color.rgb), terrainblend));\n",
1331 "       color.a = 1.0;\n",
1332 "       //color = half4(lerp(float4(1, 0, 0, 1), color, terrainblend));\n",
1333 "#endif\n",
1334 "#endif\n",
1335 "#ifdef USEALPHAGENVERTEX\n",
1336 "       color.a *= gl_FrontColor.a;\n",
1337 "#endif\n",
1338 "\n",
1339 "       // get the surface normal\n",
1340 "#ifdef USEVERTEXTEXTUREBLEND\n",
1341 "       half3 surfacenormal = normalize(half3(lerp(tex2D(Texture_SecondaryNormal, TexCoord2).rgb, offsetMappedTexture2D(Texture_Normal).rgb, terrainblend)) - half3(0.5, 0.5, 0.5));\n",
1342 "#else\n",
1343 "       half3 surfacenormal = half3(normalize(half3(offsetMappedTexture2D(Texture_Normal).rgb) - half3(0.5, 0.5, 0.5)));\n",
1344 "#endif\n",
1345 "\n",
1346 "       // get the material colors\n",
1347 "       half3 diffusetex = color.rgb;\n",
1348 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n",
1349 "# ifdef USEVERTEXTEXTUREBLEND\n",
1350 "       half4 glosstex = half4(lerp(tex2D(Texture_SecondaryGloss, TexCoord2), offsetMappedTexture2D(Texture_Gloss), terrainblend));\n",
1351 "# else\n",
1352 "       half4 glosstex = half4(offsetMappedTexture2D(Texture_Gloss));\n",
1353 "# endif\n",
1354 "#endif\n",
1355 "\n",
1356 "#ifdef USEREFLECTCUBE\n",
1357 "       float3 TangentReflectVector = reflect(-EyeVector, surfacenormal);\n",
1358 "       float3 ModelReflectVector = TangentReflectVector.x * VectorS + TangentReflectVector.y * VectorT + TangentReflectVector.z * VectorR;\n",
1359 "       float3 ReflectCubeTexCoord = mul(ModelToReflectCube, float4(ModelReflectVector, 0)).xyz;\n",
1360 "       diffusetex += half3(offsetMappedTexture2D(Texture_ReflectMask).rgb) * half3(texCUBE(Texture_ReflectCube, ReflectCubeTexCoord).rgb);\n",
1361 "#endif\n",
1362 "\n",
1363 "\n",
1364 "\n",
1365 "\n",
1366 "#ifdef MODE_LIGHTSOURCE\n",
1367 "       // light source\n",
1368 "#ifdef USEDIFFUSE\n",
1369 "       half3 lightnormal = half3(normalize(LightVector));\n",
1370 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n",
1371 "       color.rgb = diffusetex * (Color_Ambient + diffuse * Color_Diffuse);\n",
1372 "#ifdef USESPECULAR\n",
1373 "#ifdef USEEXACTSPECULARMATH\n",
1374 "       half specular = half(pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), 1.0 + SpecularPower * glosstex.a));\n",
1375 "#else\n",
1376 "       half3 specularnormal = half3(normalize(lightnormal + half3(normalize(EyeVector))));\n",
1377 "       half specular = half(pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * glosstex.a));\n",
1378 "#endif\n",
1379 "       color.rgb += glosstex.rgb * (specular * Color_Specular);\n",
1380 "#endif\n",
1381 "#else\n",
1382 "       color.rgb = diffusetex * Color_Ambient;\n",
1383 "#endif\n",
1384 "       color.rgb *= LightColor;\n",
1385 "       color.rgb *= half(tex2D(Texture_Attenuation, float2(length(CubeVector), 0.0)).r);\n",
1386 "#if defined(USESHADOWMAP2D)\n",
1387 "       color.rgb *= half(ShadowMapCompare(CubeVector, Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale\n",
1388 "#ifdef USESHADOWMAPVSDCT\n",
1389 ", Texture_CubeProjection\n",
1390 "#endif\n",
1391 "       ));\n",
1392 "\n",
1393 "#endif\n",
1394 "# ifdef USECUBEFILTER\n",
1395 "       color.rgb *= half3(texCUBE(Texture_Cube, CubeVector).rgb);\n",
1396 "# endif\n",
1397 "\n",
1398 "#ifdef USESHADOWMAP2D\n",
1399 "#ifdef USESHADOWMAPVSDCT\n",
1400 "//     float3 shadowmaptc = GetShadowMapTC2D(CubeVector, ShadowMap_Parameters, Texture_CubeProjection);\n",
1401 "#else\n",
1402 "//     float3 shadowmaptc = GetShadowMapTC2D(CubeVector, ShadowMap_Parameters);\n",
1403 "#endif\n",
1404 "//     color.rgb = half3(tex2D(Texture_ShadowMap2D, float2(0.1,0.1)).rgb);\n",
1405 "//     color.rgb = half3(tex2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale).rgb);\n",
1406 "//     color.rgb = half3(shadowmaptc.xyz * float3(ShadowMap_TextureScale,1.0));\n",
1407 "//     color.r = half(texDepth2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale));\n",
1408 "//     color.rgb = half3(tex2D(Texture_ShadowMap2D, float2(0.1,0.1)).rgb);\n",
1409 "//     color.rgb = half3(tex2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale).rgb);\n",
1410 "//     color.rgb = half3(shadowmaptc.xyz * float3(ShadowMap_TextureScale,1.0));\n",
1411 "//     color.r = half(texDepth2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale));\n",
1412 "//     color.r = half(shadowmaptc.z - texDepth2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale));\n",
1413 "//     color.r = half(shadowmaptc.z);\n",
1414 "//     color.r = half(texDepth2D(Texture_ShadowMap2D, shadowmaptc.xy * ShadowMap_TextureScale));\n",
1415 "//     color.r = half(shadowmaptc.z);\n",
1416 "//     color.r = 1;\n",
1417 "//     color.rgb = abs(CubeVector);\n",
1418 "#endif\n",
1419 "//     color.rgb = half3(1,1,1);\n",
1420 "#endif // MODE_LIGHTSOURCE\n",
1421 "\n",
1422 "\n",
1423 "\n",
1424 "\n",
1425 "#ifdef MODE_LIGHTDIRECTION\n",
1426 "       #define SHADING\n",
1427 "       #ifdef USEDIFFUSE\n",
1428 "               half3 lightnormal = half3(normalize(LightVector));\n",
1429 "       #endif\n",
1430 "       #define lightcolor LightColor\n",
1431 "#endif // MODE_LIGHTDIRECTION\n",
1432 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n",
1433 "       #define SHADING\n",
1434 "       // deluxemap lightmapping using light vectors in modelspace (q3map2 -light -deluxe)\n",
1435 "       half3 lightnormal_modelspace = half3(tex2D(Texture_Deluxemap, TexCoordLightmap).rgb) * 2.0 + half3(-1.0, -1.0, -1.0);\n",
1436 "       half3 lightcolor = half3(tex2D(Texture_Lightmap, TexCoordLightmap).rgb);\n",
1437 "       // convert modelspace light vector to tangentspace\n",
1438 "       half3 lightnormal = half3(dot(lightnormal_modelspace, half3(VectorS)), dot(lightnormal_modelspace, half3(VectorT)), dot(lightnormal_modelspace, half3(VectorR)));\n",
1439 "       // calculate directional shading (and undoing the existing angle attenuation on the lightmap by the division)\n",
1440 "       // note that q3map2 is too stupid to calculate proper surface normals when q3map_nonplanar\n",
1441 "       // is used (the lightmap and deluxemap coords correspond to virtually random coordinates\n",
1442 "       // on that luxel, and NOT to its center, because recursive triangle subdivision is used\n",
1443 "       // to map the luxels to coordinates on the draw surfaces), which also causes\n",
1444 "       // deluxemaps to be wrong because light contributions from the wrong side of the surface\n",
1445 "       // are added up. To prevent divisions by zero or strong exaggerations, a max()\n",
1446 "       // nudge is done here at expense of some additional fps. This is ONLY needed for\n",
1447 "       // deluxemaps, tangentspace deluxemap avoid this problem by design.\n",
1448 "       lightcolor *= 1.0 / max(0.25, lightnormal.z);\n",
1449 "#endif // MODE_LIGHTDIRECTIONMAP_MODELSPACE\n",
1450 "#ifdef MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n",
1451 "       #define SHADING\n",
1452 "       // deluxemap lightmapping using light vectors in tangentspace (hmap2 -light)\n",
1453 "       half3 lightnormal = 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 "#endif\n",
1456 "#if defined(MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR)\n",
1457 "       #define SHADING\n",
1458 "       // forced deluxemap on lightmapped/vertexlit surfaces\n",
1459 "       half3 lightnormal = half3(0.0, 0.0, 1.0);\n",
1460 "   #ifdef USELIGHTMAP\n",
1461 "               half3 lightcolor = half3(tex2D(Texture_Lightmap, TexCoordLightmap).rgb);\n",
1462 "   #else\n",
1463 "               half3 lightcolor = half3(gl_FrontColor.rgb);\n",
1464 "   #endif\n",
1465 "#endif\n",
1466 "#ifdef MODE_FAKELIGHT\n",
1467 "       #define SHADING\n",
1468 "       half3 lightnormal = half3(normalize(EyeVector));\n",
1469 "       half3 lightcolor = half3(1.0,1.0,1.0);\n",
1470 "#endif // MODE_FAKELIGHT\n",
1471 "\n",
1472 "\n",
1473 "\n",
1474 "\n",
1475 "#ifdef MODE_LIGHTMAP\n",
1476 "       color.rgb = diffusetex * (Color_Ambient + half3(tex2D(Texture_Lightmap, TexCoordLightmap).rgb) * Color_Diffuse);\n",
1477 "#endif // MODE_LIGHTMAP\n",
1478 "#ifdef MODE_VERTEXCOLOR\n",
1479 "       color.rgb = diffusetex * (Color_Ambient + half3(gl_FrontColor.rgb) * Color_Diffuse);\n",
1480 "#endif // MODE_VERTEXCOLOR\n",
1481 "#ifdef MODE_FLATCOLOR\n",
1482 "       color.rgb = diffusetex * Color_Ambient;\n",
1483 "#endif // MODE_FLATCOLOR\n",
1484 "\n",
1485 "\n",
1486 "\n",
1487 "\n",
1488 "#ifdef SHADING\n",
1489 "# ifdef USEDIFFUSE\n",
1490 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n",
1491 "#  ifdef USESPECULAR\n",
1492 "#   ifdef USEEXACTSPECULARMATH\n",
1493 "       half specular = half(pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), 1.0 + SpecularPower * glosstex.a));\n",
1494 "#   else\n",
1495 "       half3 specularnormal = half3(normalize(lightnormal + half3(normalize(EyeVector))));\n",
1496 "       half specular = half(pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * glosstex.a));\n",
1497 "#   endif\n",
1498 "       color.rgb = diffusetex * Color_Ambient + (diffusetex * Color_Diffuse * diffuse + glosstex.rgb * Color_Specular * specular) * lightcolor;\n",
1499 "#  else\n",
1500 "       color.rgb = diffusetex * (Color_Ambient + Color_Diffuse * diffuse * lightcolor);\n",
1501 "#  endif\n",
1502 "# else\n",
1503 "       color.rgb = diffusetex * Color_Ambient;\n",
1504 "# endif\n",
1505 "#endif\n",
1506 "\n",
1507 "#ifdef USESHADOWMAPORTHO\n",
1508 "       color.rgb *= half(ShadowMapCompare(ShadowMapTC, Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale));\n",
1509 "#endif\n",
1510 "\n",
1511 "#ifdef USEDEFERREDLIGHTMAP\n",
1512 "       float2 ScreenTexCoord = Pixel * PixelToScreenTexCoord;\n",
1513 "       color.rgb += diffusetex * half3(tex2D(Texture_ScreenDiffuse, ScreenTexCoord).rgb) * DeferredMod_Diffuse;\n",
1514 "       color.rgb += glosstex.rgb * half3(tex2D(Texture_ScreenSpecular, ScreenTexCoord).rgb) * DeferredMod_Specular;\n",
1515 "//     color.rgb = half3(tex2D(Texture_ScreenDepth, ScreenTexCoord).rgb);\n",
1516 "//     color.r = half(texDepth2D(Texture_ScreenDepth, ScreenTexCoord)) * 1.0;\n",
1517 "#endif\n",
1518 "\n",
1519 "#ifdef USEGLOW\n",
1520 "#ifdef USEVERTEXTEXTUREBLEND\n",
1521 "       color.rgb += half3(lerp(tex2D(Texture_SecondaryGlow, TexCoord2).rgb, offsetMappedTexture2D(Texture_Glow).rgb, terrainblend)) * Color_Glow;\n",
1522 "#else\n",
1523 "       color.rgb += half3(offsetMappedTexture2D(Texture_Glow).rgb) * Color_Glow;\n",
1524 "#endif\n",
1525 "#endif\n",
1526 "\n",
1527 "#ifdef USEFOG\n",
1528 "       color.rgb = half3(FogVertex(color, FogColor, EyeVectorModelSpaceFogPlaneVertexDist.xyz, EyeVectorModelSpaceFogPlaneVertexDist.w, FogRangeRecip, FogPlaneViewDist, FogHeightFade, Texture_FogMask, Texture_FogHeightTexture));\n",
1529 "#endif\n",
1530 "\n",
1531 "       // 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",
1532 "#ifdef USEREFLECTION\n",
1533 "       float4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n",
1534 "       //float4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(half3(offsetMappedTexture2D(Texture_Normal).rgb) - half3(0.5,0.5,0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n",
1535 "       float2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW.zw + ScreenCenterRefractReflect.zw;\n",
1536 "       float2 ScreenTexCoord = SafeScreenTexCoord + float3(normalize(half3(offsetMappedTexture2D(Texture_Normal).rgb) - half3(0.5,0.5,0.5))).xy * DistortScaleRefractReflect.zw;\n",
1537 "       // FIXME temporary hack to detect the case that the reflection\n",
1538 "       // gets blackened at edges due to leaving the area that contains actual\n",
1539 "       // content.\n",
1540 "       // Remove this 'ack once we have a better way to stop this thing from\n",
1541 "       // 'appening.\n",
1542 "       float f = min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(0.01, 0.01)).rgb) / 0.05);\n",
1543 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(0.01, -0.01)).rgb) / 0.05);\n",
1544 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(-0.01, 0.01)).rgb) / 0.05);\n",
1545 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(-0.01, -0.01)).rgb) / 0.05);\n",
1546 "       ScreenTexCoord = lerp(SafeScreenTexCoord, ScreenTexCoord, f);\n",
1547 "       color.rgb = lerp(color.rgb, half3(tex2D(Texture_Reflection, ScreenTexCoord).rgb) * ReflectColor.rgb, ReflectColor.a);\n",
1548 "#endif\n",
1549 "\n",
1550 "       dp_FragColor = float4(color);\n",
1551 "}\n",
1552 "#endif // FRAGMENT_SHADER\n",
1553 "\n",
1554 "#endif // !MODE_DEFERREDLIGHTSOURCE\n",
1555 "#endif // !MODE_DEFERREDGEOMETRY\n",
1556 "#endif // !MODE_WATER\n",
1557 "#endif // !MODE_REFRACTION\n",
1558 "#endif // !MODE_BLOOMBLUR\n",
1559 "#endif // !MODE_GENERIC\n",
1560 "#endif // !MODE_POSTPROCESS\n",
1561 "#endif // !MODE_DEPTH_OR_SHADOW\n",