shader_glsl.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 "#ifdef GLSL130\n"
   6 "precision highp float;\n"
   7 "# ifdef VERTEX_SHADER\n"
   8 "#  define dp_varying out\n"
   9 "#  define dp_attribute in\n"
  10 "# endif\n"
  11 "# ifdef FRAGMENT_SHADER\n"
  12 "out vec4 dp_FragColor;\n"
  13 "#  define dp_varying in\n"
  14 "#  define dp_attribute in\n"
  15 "# endif\n"
  16 "# define dp_offsetmapping_dFdx dFdx\n"
  17 "# define dp_offsetmapping_dFdy dFdy\n"
  18 "# define dp_textureGrad textureGrad\n"
  19 "# define dp_textureOffset(a,b,c,d) textureOffset(a,b,ivec2(c,d))\n"
  20 "# define dp_texture2D texture\n"
  21 "# define dp_texture3D texture\n"
  22 "# define dp_textureCube texture\n"
  23 "# define dp_shadow2D(a,b) float(texture(a,b))\n"
  24 "#else\n"
  25 "# ifdef FRAGMENT_SHADER\n"
  26 "#  define dp_FragColor gl_FragColor\n"
  27 "# endif\n"
  28 "# define dp_varying varying\n"
  29 "# define dp_attribute attribute\n"
  30 "# define dp_offsetmapping_dFdx(a) vec2(0.0, 0.0)\n"
  31 "# define dp_offsetmapping_dFdy(a) vec2(0.0, 0.0)\n"
  32 "# define dp_textureGrad(a,b,c,d) texture2D(a,b)\n"
  33 "# define dp_textureOffset(a,b,c,d) texture2DOffset(a,b,ivec2(c,d))\n"
  34 "# define dp_texture2D texture2D\n"
  35 "# define dp_texture3D texture3D\n"
  36 "# define dp_textureCube textureCube\n"
  37 "# define dp_shadow2D(a,b) float(shadow2D(a,b))\n"
  38 "#endif\n"
  39 "\n"
  40 "// GL ES and GLSL130 shaders use precision modifiers, standard GL does not\n"
  41 "// in GLSL130 we don't use them though because of syntax differences (can't use precision with inout)\n"
  42 "#ifndef GL_ES\n"
  43 "#define lowp\n"
  44 "#define mediump\n"
  45 "#define highp\n"
  46 "#endif\n"
  47 "\n"
  48 "#ifdef USEDEPTHRGB\n"
  49 "       // for 565 RGB we'd need to use different multipliers\n"
  50 "#define decodedepthmacro(d) dot((d).rgb, vec3(1.0, 255.0 / 65536.0, 255.0 / 16777215.0))\n"
  51 "#define encodedepthmacro(d) (vec4(d, d*256.0, d*65536.0, 0.0) - floor(vec4(d, d*256.0, d*65536.0, 0.0)))\n"
  52 "#endif\n"
  53 "\n"
  54 "#ifdef VERTEX_SHADER\n"
  55 "dp_attribute vec4 Attrib_Position;  // vertex\n"
  56 "dp_attribute vec4 Attrib_Color;     // color\n"
  57 "dp_attribute vec4 Attrib_TexCoord0; // material texcoords\n"
  58 "dp_attribute vec3 Attrib_TexCoord1; // svector\n"
  59 "dp_attribute vec3 Attrib_TexCoord2; // tvector\n"
  60 "dp_attribute vec3 Attrib_TexCoord3; // normal\n"
  61 "dp_attribute vec4 Attrib_TexCoord4; // lightmap texcoords\n"
  62 "#endif\n"
  63 "dp_varying mediump vec4 VertexColor;\n"
  64 "\n"
  65 "#if defined(USEFOGINSIDE) || defined(USEFOGOUTSIDE) || defined(USEFOGHEIGHTTEXTURE)\n"
  66 "# define USEFOG\n"
  67 "#endif\n"
  68 "#if defined(MODE_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP)\n"
  69 "# define USELIGHTMAP\n"
  70 "#endif\n"
  71 "#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE) || defined(MODE_FAKELIGHT) || defined(USEFOG)\n"
  72 "# define USEEYEVECTOR\n"
  73 "#endif\n"
  74 "\n"
  75 "#ifdef USESHADOWMAP2D\n"
  76 "# ifdef GL_EXT_gpu_shader4\n"
  77 "#   extension GL_EXT_gpu_shader4 : enable\n"
  78 "# endif\n"
  79 "# ifdef GL_ARB_texture_gather\n"
  80 "#   extension GL_ARB_texture_gather : enable\n"
  81 "# else\n"
  82 "#   ifdef GL_AMD_texture_texture4\n"
  83 "#     extension GL_AMD_texture_texture4 : enable\n"
  84 "#   endif\n"
  85 "# endif\n"
  86 "#endif\n"
  87 "\n"
  88 "//#ifdef USESHADOWSAMPLER\n"
  89 "//# extension GL_ARB_shadow : enable\n"
  90 "//#endif\n"
  91 "\n"
  92 "//#ifdef __GLSL_CG_DATA_TYPES\n"
  93 "//# define myhalf half\n"
  94 "//# define myhalf2 half2\n"
  95 "//# define myhalf3 half3\n"
  96 "//# define myhalf4 half4\n"
  97 "//# define cast_myhalf half\n"
  98 "//# define cast_myhalf2 half2\n"
  99 "//# define cast_myhalf3 half3\n"
 100 "//# define cast_myhalf4 half4\n"
 101 "//#else\n"
 102 "# define myhalf mediump float\n"
 103 "# define myhalf2 mediump vec2\n"
 104 "# define myhalf3 mediump vec3\n"
 105 "# define myhalf4 mediump vec4\n"
 106 "# define cast_myhalf float\n"
 107 "# define cast_myhalf2 vec2\n"
 108 "# define cast_myhalf3 vec3\n"
 109 "# define cast_myhalf4 vec4\n"
 110 "//#endif\n"
 111 "\n"
 112 "#ifdef VERTEX_SHADER\n"
 113 "uniform highp mat4 ModelViewProjectionMatrix;\n"
 114 "#endif\n"
 115 "\n"
 116 "#ifdef VERTEX_SHADER\n"
 117 "#ifdef USETRIPPY\n"
 118 "// LordHavoc: based on shader code linked at: http://www.youtube.com/watch?v=JpksyojwqzE\n"
 119 "// tweaked scale\n"
 120 "uniform highp float ClientTime;\n"
 121 "vec4 TrippyVertex(vec4 position)\n"
 122 "{\n"
 123 "       float worldTime = ClientTime;\n"
 124 "       // tweaked for Quake\n"
 125 "       worldTime *= 10.0;\n"
 126 "       position *= 0.125;\n"
 127 "       //~tweaked for Quake\n"
 128 "       float distanceSquared = (position.x * position.x + position.z * position.z);\n"
 129 "       position.y += 5.0*sin(distanceSquared*sin(worldTime/143.0)/1000.0);\n"
 130 "       float y = position.y;\n"
 131 "       float x = position.x;\n"
 132 "       float om = sin(distanceSquared*sin(worldTime/256.0)/5000.0) * sin(worldTime/200.0);\n"
 133 "       position.y = x*sin(om)+y*cos(om);\n"
 134 "       position.x = x*cos(om)-y*sin(om);\n"
 135 "       return position;\n"
 136 "}\n"
 137 "#endif\n"
 138 "#endif\n"
 139 "\n"
 140 "#ifdef MODE_DEPTH_OR_SHADOW\n"
 141 "dp_varying highp float Depth;\n"
 142 "#ifdef VERTEX_SHADER\n"
 143 "void main(void)\n"
 144 "{\n"
 145 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 146 "#ifdef USETRIPPY\n"
 147 "       gl_Position = TrippyVertex(gl_Position);\n"
 148 "#endif\n"
 149 "       Depth = gl_Position.z;\n"
 150 "}\n"
 151 "#endif\n"
 152 "\n"
 153 "#ifdef FRAGMENT_SHADER\n"
 154 "void main(void)\n"
 155 "{\n"
 156 "#ifdef USEDEPTHRGB\n"
 157 "       dp_FragColor = encodedepthmacro(Depth);\n"
 158 "#else\n"
 159 "       dp_FragColor = vec4(1.0,1.0,1.0,1.0);\n"
 160 "#endif\n"
 161 "}\n"
 162 "#endif\n"
 163 "#else // !MODE_DEPTH_ORSHADOW\n"
 164 "\n"
 165 "\n"
 166 "\n"
 167 "\n"
 168 "#ifdef MODE_SHOWDEPTH\n"
 169 "#ifdef VERTEX_SHADER\n"
 170 "void main(void)\n"
 171 "{\n"
 172 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 173 "       VertexColor = vec4(gl_Position.z, gl_Position.z, gl_Position.z, 1.0);\n"
 174 "#ifdef USETRIPPY\n"
 175 "       gl_Position = TrippyVertex(gl_Position);\n"
 176 "#endif\n"
 177 "}\n"
 178 "#endif\n"
 179 "\n"
 180 "#ifdef FRAGMENT_SHADER\n"
 181 "void main(void)\n"
 182 "{\n"
 183 "       dp_FragColor = VertexColor;\n"
 184 "}\n"
 185 "#endif\n"
 186 "#else // !MODE_SHOWDEPTH\n"
 187 "\n"
 188 "\n"
 189 "\n"
 190 "\n"
 191 "#ifdef MODE_POSTPROCESS\n"
 192 "dp_varying mediump vec2 TexCoord1;\n"
 193 "dp_varying mediump vec2 TexCoord2;\n"
 194 "\n"
 195 "#ifdef VERTEX_SHADER\n"
 196 "void main(void)\n"
 197 "{\n"
 198 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 199 "       TexCoord1 = Attrib_TexCoord0.xy;\n"
 200 "#ifdef USEBLOOM\n"
 201 "       TexCoord2 = Attrib_TexCoord4.xy;\n"
 202 "#endif\n"
 203 "}\n"
 204 "#endif\n"
 205 "\n"
 206 "#ifdef FRAGMENT_SHADER\n"
 207 "uniform sampler2D Texture_First;\n"
 208 "#ifdef USEBLOOM\n"
 209 "uniform sampler2D Texture_Second;\n"
 210 "uniform mediump vec4 BloomColorSubtract;\n"
 211 "#endif\n"
 212 "#ifdef USEGAMMARAMPS\n"
 213 "uniform sampler2D Texture_GammaRamps;\n"
 214 "#endif\n"
 215 "#ifdef USESATURATION\n"
 216 "uniform mediump float Saturation;\n"
 217 "#endif\n"
 218 "#ifdef USEVIEWTINT\n"
 219 "uniform mediump vec4 ViewTintColor;\n"
 220 "#endif\n"
 221 "//uncomment these if you want to use them:\n"
 222 "uniform mediump vec4 UserVec1;\n"
 223 "uniform mediump vec4 UserVec2;\n"
 224 "// uniform mediump vec4 UserVec3;\n"
 225 "// uniform mediump vec4 UserVec4;\n"
 226 "// uniform highp float ClientTime;\n"
 227 "uniform mediump vec2 PixelSize;\n"
 228 "void main(void)\n"
 229 "{\n"
 230 "       dp_FragColor = dp_texture2D(Texture_First, TexCoord1);\n"
 231 "#ifdef USEBLOOM\n"
 232 "       dp_FragColor += max(vec4(0,0,0,0), dp_texture2D(Texture_Second, TexCoord2) - BloomColorSubtract);\n"
 233 "#endif\n"
 234 "#ifdef USEVIEWTINT\n"
 235 "       dp_FragColor = mix(dp_FragColor, ViewTintColor, ViewTintColor.a);\n"
 236 "#endif\n"
 237 "\n"
 238 "#ifdef USEPOSTPROCESSING\n"
 239 "// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n"
 240 "// 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"
 241 "       float sobel = 1.0;\n"
 242 "       // vec2 ts = textureSize(Texture_First, 0);\n"
 243 "       // vec2 px = vec2(1/ts.x, 1/ts.y);\n"
 244 "       vec2 px = PixelSize;\n"
 245 "       vec3 x1 = dp_texture2D(Texture_First, TexCoord1 + vec2(-px.x, px.y)).rgb;\n"
 246 "       vec3 x2 = dp_texture2D(Texture_First, TexCoord1 + vec2(-px.x,  0.0)).rgb;\n"
 247 "       vec3 x3 = dp_texture2D(Texture_First, TexCoord1 + vec2(-px.x,-px.y)).rgb;\n"
 248 "       vec3 x4 = dp_texture2D(Texture_First, TexCoord1 + vec2( px.x, px.y)).rgb;\n"
 249 "       vec3 x5 = dp_texture2D(Texture_First, TexCoord1 + vec2( px.x,  0.0)).rgb;\n"
 250 "       vec3 x6 = dp_texture2D(Texture_First, TexCoord1 + vec2( px.x,-px.y)).rgb;\n"
 251 "       vec3 y1 = dp_texture2D(Texture_First, TexCoord1 + vec2( px.x,-px.y)).rgb;\n"
 252 "       vec3 y2 = dp_texture2D(Texture_First, TexCoord1 + vec2(  0.0,-px.y)).rgb;\n"
 253 "       vec3 y3 = dp_texture2D(Texture_First, TexCoord1 + vec2(-px.x,-px.y)).rgb;\n"
 254 "       vec3 y4 = dp_texture2D(Texture_First, TexCoord1 + vec2( px.x, px.y)).rgb;\n"
 255 "       vec3 y5 = dp_texture2D(Texture_First, TexCoord1 + vec2(  0.0, px.y)).rgb;\n"
 256 "       vec3 y6 = dp_texture2D(Texture_First, TexCoord1 + vec2(-px.x, px.y)).rgb;\n"
 257 "       float px1 = -1.0 * dot(vec3(0.3, 0.59, 0.11), x1);\n"
 258 "       float px2 = -2.0 * dot(vec3(0.3, 0.59, 0.11), x2);\n"
 259 "       float px3 = -1.0 * dot(vec3(0.3, 0.59, 0.11), x3);\n"
 260 "       float px4 =  1.0 * dot(vec3(0.3, 0.59, 0.11), x4);\n"
 261 "       float px5 =  2.0 * dot(vec3(0.3, 0.59, 0.11), x5);\n"
 262 "       float px6 =  1.0 * dot(vec3(0.3, 0.59, 0.11), x6);\n"
 263 "       float py1 = -1.0 * dot(vec3(0.3, 0.59, 0.11), y1);\n"
 264 "       float py2 = -2.0 * dot(vec3(0.3, 0.59, 0.11), y2);\n"
 265 "       float py3 = -1.0 * dot(vec3(0.3, 0.59, 0.11), y3);\n"
 266 "       float py4 =  1.0 * dot(vec3(0.3, 0.59, 0.11), y4);\n"
 267 "       float py5 =  2.0 * dot(vec3(0.3, 0.59, 0.11), y5);\n"
 268 "       float py6 =  1.0 * dot(vec3(0.3, 0.59, 0.11), y6);\n"
 269 "       sobel = 0.25 * abs(px1 + px2 + px3 + px4 + px5 + px6) + 0.25 * abs(py1 + py2 + py3 + py4 + py5 + py6);\n"
 270 "       dp_FragColor += dp_texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.987688, -0.156434)) * UserVec1.y;\n"
 271 "       dp_FragColor += dp_texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.156434, -0.891007)) * UserVec1.y;\n"
 272 "       dp_FragColor += dp_texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2( 0.891007, -0.453990)) * UserVec1.y;\n"
 273 "       dp_FragColor += dp_texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2( 0.707107,  0.707107)) * UserVec1.y;\n"
 274 "       dp_FragColor += dp_texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.453990,  0.891007)) * UserVec1.y;\n"
 275 "       dp_FragColor /= (1.0 + 5.0 * UserVec1.y);\n"
 276 "       dp_FragColor.rgb = dp_FragColor.rgb * (1.0 + UserVec2.x) + vec3(max(0.0, sobel - UserVec2.z))*UserVec2.y;\n"
 277 "#endif\n"
 278 "\n"
 279 "#ifdef USESATURATION\n"
 280 "       //apply saturation BEFORE gamma ramps, so v_glslgamma value does not matter\n"
 281 "       float y = dot(dp_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
 282 "       // 'vampire sight' effect, wheres red is compensated\n"
 283 "       #ifdef SATURATION_REDCOMPENSATE\n"
 284 "               float rboost = max(0.0, (dp_FragColor.r - max(dp_FragColor.g, dp_FragColor.b))*(1.0 - Saturation));\n"
 285 "               dp_FragColor.rgb = mix(vec3(y), dp_FragColor.rgb, Saturation);\n"
 286 "               dp_FragColor.r += rboost;\n"
 287 "       #else\n"
 288 "               // normal desaturation\n"
 289 "               //dp_FragColor = vec3(y) + (dp_FragColor.rgb - vec3(y)) * Saturation;\n"
 290 "               dp_FragColor.rgb = mix(vec3(y), dp_FragColor.rgb, Saturation);\n"
 291 "       #endif\n"
 292 "#endif\n"
 293 "\n"
 294 "#ifdef USEGAMMARAMPS\n"
 295 "       dp_FragColor.r = dp_texture2D(Texture_GammaRamps, vec2(dp_FragColor.r, 0)).r;\n"
 296 "       dp_FragColor.g = dp_texture2D(Texture_GammaRamps, vec2(dp_FragColor.g, 0)).g;\n"
 297 "       dp_FragColor.b = dp_texture2D(Texture_GammaRamps, vec2(dp_FragColor.b, 0)).b;\n"
 298 "#endif\n"
 299 "}\n"
 300 "#endif\n"
 301 "#else // !MODE_POSTPROCESS\n"
 302 "\n"
 303 "\n"
 304 "\n"
 305 "\n"
 306 "#ifdef MODE_GENERIC\n"
 307 "#ifdef USEDIFFUSE\n"
 308 "dp_varying mediump vec2 TexCoord1;\n"
 309 "#endif\n"
 310 "#ifdef USESPECULAR\n"
 311 "dp_varying mediump vec2 TexCoord2;\n"
 312 "#endif\n"
 313 "#ifdef VERTEX_SHADER\n"
 314 "void main(void)\n"
 315 "{\n"
 316 "       VertexColor = Attrib_Color;\n"
 317 "#ifdef USEDIFFUSE\n"
 318 "       TexCoord1 = Attrib_TexCoord0.xy;\n"
 319 "#endif\n"
 320 "#ifdef USESPECULAR\n"
 321 "       TexCoord2 = Attrib_TexCoord1.xy;\n"
 322 "#endif\n"
 323 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 324 "#ifdef USETRIPPY\n"
 325 "       gl_Position = TrippyVertex(gl_Position);\n"
 326 "#endif\n"
 327 "}\n"
 328 "#endif\n"
 329 "\n"
 330 "#ifdef FRAGMENT_SHADER\n"
 331 "#ifdef USEDIFFUSE\n"
 332 "uniform sampler2D Texture_First;\n"
 333 "#endif\n"
 334 "#ifdef USESPECULAR\n"
 335 "uniform sampler2D Texture_Second;\n"
 336 "#endif\n"
 337 "#ifdef USEGAMMARAMPS\n"
 338 "uniform sampler2D Texture_GammaRamps;\n"
 339 "#endif\n"
 340 "\n"
 341 "void main(void)\n"
 342 "{\n"
 343 "#ifdef USEVIEWTINT\n"
 344 "       dp_FragColor = VertexColor;\n"
 345 "#else\n"
 346 "       dp_FragColor = vec4(1.0, 1.0, 1.0, 1.0);\n"
 347 "#endif\n"
 348 "#ifdef USEDIFFUSE\n"
 349 "# ifdef USEREFLECTCUBE\n"
 350 "       // suppress texture alpha\n"
 351 "       dp_FragColor.rgb *= dp_texture2D(Texture_First, TexCoord1).rgb;\n"
 352 "# else\n"
 353 "       dp_FragColor *= dp_texture2D(Texture_First, TexCoord1);\n"
 354 "# endif\n"
 355 "#endif\n"
 356 "\n"
 357 "#ifdef USESPECULAR\n"
 358 "       vec4 tex2 = dp_texture2D(Texture_Second, TexCoord2);\n"
 359 "# ifdef USECOLORMAPPING\n"
 360 "       dp_FragColor *= tex2;\n"
 361 "# endif\n"
 362 "# ifdef USEGLOW\n"
 363 "       dp_FragColor += tex2;\n"
 364 "# endif\n"
 365 "# ifdef USEVERTEXTEXTUREBLEND\n"
 366 "       dp_FragColor = mix(dp_FragColor, tex2, tex2.a);\n"
 367 "# endif\n"
 368 "#endif\n"
 369 "#ifdef USEGAMMARAMPS\n"
 370 "       dp_FragColor.r = dp_texture2D(Texture_GammaRamps, vec2(dp_FragColor.r, 0)).r;\n"
 371 "       dp_FragColor.g = dp_texture2D(Texture_GammaRamps, vec2(dp_FragColor.g, 0)).g;\n"
 372 "       dp_FragColor.b = dp_texture2D(Texture_GammaRamps, vec2(dp_FragColor.b, 0)).b;\n"
 373 "#endif\n"
 374 "}\n"
 375 "#endif\n"
 376 "#else // !MODE_GENERIC\n"
 377 "\n"
 378 "\n"
 379 "\n"
 380 "\n"
 381 "#ifdef MODE_BLOOMBLUR\n"
 382 "dp_varying mediump vec2 TexCoord;\n"
 383 "#ifdef VERTEX_SHADER\n"
 384 "void main(void)\n"
 385 "{\n"
 386 "       VertexColor = Attrib_Color;\n"
 387 "       TexCoord = Attrib_TexCoord0.xy;\n"
 388 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 389 "}\n"
 390 "#endif\n"
 391 "\n"
 392 "#ifdef FRAGMENT_SHADER\n"
 393 "uniform sampler2D Texture_First;\n"
 394 "uniform mediump vec4 BloomBlur_Parameters;\n"
 395 "\n"
 396 "void main(void)\n"
 397 "{\n"
 398 "       int i;\n"
 399 "       vec2 tc = TexCoord;\n"
 400 "       vec3 color = dp_texture2D(Texture_First, tc).rgb;\n"
 401 "       tc += BloomBlur_Parameters.xy;\n"
 402 "       for (i = 1;i < SAMPLES;i++)\n"
 403 "       {\n"
 404 "               color += dp_texture2D(Texture_First, tc).rgb;\n"
 405 "               tc += BloomBlur_Parameters.xy;\n"
 406 "       }\n"
 407 "       dp_FragColor = vec4(color * BloomBlur_Parameters.z + vec3(BloomBlur_Parameters.w), 1);\n"
 408 "}\n"
 409 "#endif\n"
 410 "#else // !MODE_BLOOMBLUR\n"
 411 "#ifdef MODE_REFRACTION\n"
 412 "dp_varying mediump vec2 TexCoord;\n"
 413 "dp_varying highp vec4 ModelViewProjectionPosition;\n"
 414 "uniform highp mat4 TexMatrix;\n"
 415 "#ifdef VERTEX_SHADER\n"
 416 "\n"
 417 "void main(void)\n"
 418 "{\n"
 419 "#ifdef USEALPHAGENVERTEX\n"
 420 "       VertexColor = Attrib_Color;\n"
 421 "#endif\n"
 422 "       TexCoord = vec2(TexMatrix * Attrib_TexCoord0);\n"
 423 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 424 "       ModelViewProjectionPosition = gl_Position;\n"
 425 "#ifdef USETRIPPY\n"
 426 "       gl_Position = TrippyVertex(gl_Position);\n"
 427 "#endif\n"
 428 "}\n"
 429 "#endif\n"
 430 "\n"
 431 "#ifdef FRAGMENT_SHADER\n"
 432 "uniform sampler2D Texture_Normal;\n"
 433 "uniform sampler2D Texture_Refraction;\n"
 434 "\n"
 435 "uniform mediump vec4 DistortScaleRefractReflect;\n"
 436 "uniform mediump vec4 ScreenScaleRefractReflect;\n"
 437 "uniform mediump vec4 ScreenCenterRefractReflect;\n"
 438 "uniform mediump vec4 RefractColor;\n"
 439 "uniform mediump vec4 ReflectColor;\n"
 440 "uniform highp float ClientTime;\n"
 441 "#ifdef USENORMALMAPSCROLLBLEND\n"
 442 "uniform highp vec2 NormalmapScrollBlend;\n"
 443 "#endif\n"
 444 "\n"
 445 "void main(void)\n"
 446 "{\n"
 447 "       vec2 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect.xy * (1.0 / ModelViewProjectionPosition.w);\n"
 448 "       //vec2 ScreenTexCoord = (ModelViewProjectionPosition.xy + normalize(vec3(dp_texture2D(Texture_Normal, TexCoord)) - vec3(0.5)).xy * DistortScaleRefractReflect.xy * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
 449 "       vec2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
 450 "#ifdef USEALPHAGENVERTEX\n"
 451 "       vec2 distort = DistortScaleRefractReflect.xy * VertexColor.a;\n"
 452 "       vec4 refractcolor = mix(RefractColor, vec4(1.0, 1.0, 1.0, 1.0), VertexColor.a);\n"
 453 "#else\n"
 454 "       vec2 distort = DistortScaleRefractReflect.xy;\n"
 455 "       vec4 refractcolor = RefractColor;\n"
 456 "#endif\n"
 457 "       #ifdef USENORMALMAPSCROLLBLEND\n"
 458 "               vec3 normal = dp_texture2D(Texture_Normal, (TexCoord + vec2(0.08, 0.08)*ClientTime*NormalmapScrollBlend.x*0.5)*NormalmapScrollBlend.y).rgb - vec3(1.0);\n"
 459 "               normal += dp_texture2D(Texture_Normal, (TexCoord + vec2(-0.06, -0.09)*ClientTime*NormalmapScrollBlend.x)*NormalmapScrollBlend.y*0.75).rgb;\n"
 460 "               vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(cast_myhalf3(normal))).xy * distort;\n"
 461 "       #else\n"
 462 "               vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(cast_myhalf3(dp_texture2D(Texture_Normal, TexCoord)) - cast_myhalf3(0.5))).xy * distort;\n"
 463 "       #endif\n"
 464 "       // FIXME temporary hack to detect the case that the reflection\n"
 465 "       // gets blackened at edges due to leaving the area that contains actual\n"
 466 "       // content.\n"
 467 "       // Remove this 'ack once we have a better way to stop this thing from\n"
 468 "       // 'appening.\n"
 469 "       float f = min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n"
 470 "       f      *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n"
 471 "       f      *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
 472 "       f      *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
 473 "       ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
 474 "       dp_FragColor = vec4(dp_texture2D(Texture_Refraction, ScreenTexCoord).rgb, 1.0) * refractcolor;\n"
 475 "}\n"
 476 "#endif\n"
 477 "#else // !MODE_REFRACTION\n"
 478 "\n"
 479 "\n"
 480 "\n"
 481 "\n"
 482 "#ifdef MODE_WATER\n"
 483 "dp_varying mediump vec2 TexCoord;\n"
 484 "dp_varying highp vec3 EyeVector;\n"
 485 "dp_varying highp vec4 ModelViewProjectionPosition;\n"
 486 "#ifdef VERTEX_SHADER\n"
 487 "uniform highp vec3 EyePosition;\n"
 488 "uniform highp mat4 TexMatrix;\n"
 489 "\n"
 490 "void main(void)\n"
 491 "{\n"
 492 "#ifdef USEALPHAGENVERTEX\n"
 493 "       VertexColor = Attrib_Color;\n"
 494 "#endif\n"
 495 "       TexCoord = vec2(TexMatrix * Attrib_TexCoord0);\n"
 496 "       vec3 EyeRelative = EyePosition - Attrib_Position.xyz;\n"
 497 "       EyeVector.x = dot(EyeRelative, Attrib_TexCoord1.xyz);\n"
 498 "       EyeVector.y = dot(EyeRelative, Attrib_TexCoord2.xyz);\n"
 499 "       EyeVector.z = dot(EyeRelative, Attrib_TexCoord3.xyz);\n"
 500 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 501 "       ModelViewProjectionPosition = gl_Position;\n"
 502 "#ifdef USETRIPPY\n"
 503 "       gl_Position = TrippyVertex(gl_Position);\n"
 504 "#endif\n"
 505 "}\n"
 506 "#endif\n"
 507 "\n"
 508 "#ifdef FRAGMENT_SHADER\n"
 509 "uniform sampler2D Texture_Normal;\n"
 510 "uniform sampler2D Texture_Refraction;\n"
 511 "uniform sampler2D Texture_Reflection;\n"
 512 "\n"
 513 "uniform mediump vec4 DistortScaleRefractReflect;\n"
 514 "uniform mediump vec4 ScreenScaleRefractReflect;\n"
 515 "uniform mediump vec4 ScreenCenterRefractReflect;\n"
 516 "uniform mediump vec4 RefractColor;\n"
 517 "uniform mediump vec4 ReflectColor;\n"
 518 "uniform mediump float ReflectFactor;\n"
 519 "uniform mediump float ReflectOffset;\n"
 520 "uniform highp float ClientTime;\n"
 521 "#ifdef USENORMALMAPSCROLLBLEND\n"
 522 "uniform highp vec2 NormalmapScrollBlend;\n"
 523 "#endif\n"
 524 "\n"
 525 "void main(void)\n"
 526 "{\n"
 527 "       vec4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
 528 "       //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(vec3(dp_texture2D(Texture_Normal, TexCoord)) - vec3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 529 "       vec4 SafeScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 530 "       //SafeScreenTexCoord = gl_FragCoord.xyxy * vec4(1.0 / 1920.0, 1.0 / 1200.0, 1.0 / 1920.0, 1.0 / 1200.0);\n"
 531 "       // slight water animation via 2 layer scrolling (todo: tweak)\n"
 532 "#ifdef USEALPHAGENVERTEX\n"
 533 "       vec4 distort = DistortScaleRefractReflect * VertexColor.a;\n"
 534 "       float reflectoffset = ReflectOffset * VertexColor.a;\n"
 535 "       float reflectfactor = ReflectFactor * VertexColor.a;\n"
 536 "       vec4 refractcolor = mix(RefractColor, vec4(1.0, 1.0, 1.0, 1.0), VertexColor.a);\n"
 537 "#else\n"
 538 "       vec4 distort = DistortScaleRefractReflect;\n"
 539 "       float reflectoffset = ReflectOffset;\n"
 540 "       float reflectfactor = ReflectFactor;\n"
 541 "       vec4 refractcolor = RefractColor;\n"
 542 "#endif\n"
 543 "       #ifdef USENORMALMAPSCROLLBLEND\n"
 544 "               vec3 normal = dp_texture2D(Texture_Normal, (TexCoord + vec2(0.08, 0.08)*ClientTime*NormalmapScrollBlend.x*0.5)*NormalmapScrollBlend.y).rgb - vec3(1.0);\n"
 545 "               normal += dp_texture2D(Texture_Normal, (TexCoord + vec2(-0.06, -0.09)*ClientTime*NormalmapScrollBlend.x)*NormalmapScrollBlend.y*0.75).rgb;\n"
 546 "               vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(normal) + vec3(0.15)).xyxy * distort;\n"
 547 "       #else\n"
 548 "               vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(vec3(dp_texture2D(Texture_Normal, TexCoord)) - vec3(0.5))).xyxy * distort;\n"
 549 "       #endif\n"
 550 "       // FIXME temporary hack to detect the case that the reflection\n"
 551 "       // gets blackened at edges due to leaving the area that contains actual\n"
 552 "       // content.\n"
 553 "       // Remove this 'ack once we have a better way to stop this thing from\n"
 554 "       // 'appening.\n"
 555 "       float f  = min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, 0.01)).rgb) / 0.002);\n"
 556 "       f       *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, -0.01)).rgb) / 0.002);\n"
 557 "       f       *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, 0.01)).rgb) / 0.002);\n"
 558 "       f       *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, -0.01)).rgb) / 0.002);\n"
 559 "       ScreenTexCoord.xy = mix(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f);\n"
 560 "       f  = min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, 0.005)).rgb) / 0.002);\n"
 561 "       f *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, -0.005)).rgb) / 0.002);\n"
 562 "       f *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, 0.005)).rgb) / 0.002);\n"
 563 "       f *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, -0.005)).rgb) / 0.002);\n"
 564 "       ScreenTexCoord.zw = mix(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
 565 "       float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * reflectfactor + reflectoffset;\n"
 566 "       dp_FragColor = mix(vec4(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * refractcolor, vec4(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n"
 567 "}\n"
 568 "#endif\n"
 569 "#else // !MODE_WATER\n"
 570 "\n"
 571 "\n"
 572 "\n"
 573 "\n"
 574 "// common definitions between vertex shader and fragment shader:\n"
 575 "\n"
 576 "dp_varying mediump vec4 TexCoordSurfaceLightmap;\n"
 577 "#ifdef USEVERTEXTEXTUREBLEND\n"
 578 "dp_varying mediump vec2 TexCoord2;\n"
 579 "#endif\n"
 580 "\n"
 581 "#ifdef MODE_LIGHTSOURCE\n"
 582 "dp_varying mediump vec3 CubeVector;\n"
 583 "#endif\n"
 584 "\n"
 585 "#if (defined(MODE_LIGHTSOURCE) || defined(MODE_LIGHTDIRECTION)) && defined(USEDIFFUSE)\n"
 586 "dp_varying mediump vec3 LightVector;\n"
 587 "#endif\n"
 588 "\n"
 589 "#ifdef USEEYEVECTOR\n"
 590 "dp_varying highp vec4 EyeVectorFogDepth;\n"
 591 "#endif\n"
 592 "\n"
 593 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL)\n"
 594 "dp_varying highp vec4 VectorS; // direction of S texcoord (sometimes crudely called tangent)\n"
 595 "dp_varying highp vec4 VectorT; // direction of T texcoord (sometimes crudely called binormal)\n"
 596 "dp_varying highp vec4 VectorR; // direction of R texcoord (surface normal)\n"
 597 "#else\n"
 598 "# ifdef USEFOG\n"
 599 "dp_varying highp vec3 EyeVectorModelSpace;\n"
 600 "# endif\n"
 601 "#endif\n"
 602 "\n"
 603 "#ifdef USEREFLECTION\n"
 604 "dp_varying highp vec4 ModelViewProjectionPosition;\n"
 605 "#endif\n"
 606 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
 607 "uniform highp vec3 LightPosition;\n"
 608 "dp_varying highp vec4 ModelViewPosition;\n"
 609 "#endif\n"
 610 "\n"
 611 "#ifdef MODE_LIGHTSOURCE\n"
 612 "uniform highp vec3 LightPosition;\n"
 613 "#endif\n"
 614 "uniform highp vec3 EyePosition;\n"
 615 "#ifdef MODE_LIGHTDIRECTION\n"
 616 "uniform highp vec3 LightDir;\n"
 617 "#endif\n"
 618 "uniform highp vec4 FogPlane;\n"
 619 "\n"
 620 "#ifdef USESHADOWMAPORTHO\n"
 621 "dp_varying highp vec3 ShadowMapTC;\n"
 622 "#endif\n"
 623 "\n"
 624 "#ifdef USEBOUNCEGRID\n"
 625 "dp_varying highp vec3 BounceGridTexCoord;\n"
 626 "#endif\n"
 627 "\n"
 628 "#ifdef MODE_DEFERREDGEOMETRY\n"
 629 "dp_varying highp float Depth;\n"
 630 "#endif\n"
 631 "\n"
 632 "\n"
 633 "\n"
 634 "\n"
 635 "\n"
 636 "\n"
 637 "// 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"
 638 "\n"
 639 "// fragment shader specific:\n"
 640 "#ifdef FRAGMENT_SHADER\n"
 641 "\n"
 642 "uniform sampler2D Texture_Normal;\n"
 643 "uniform sampler2D Texture_Color;\n"
 644 "uniform sampler2D Texture_Gloss;\n"
 645 "#ifdef USEGLOW\n"
 646 "uniform sampler2D Texture_Glow;\n"
 647 "#endif\n"
 648 "#ifdef USEVERTEXTEXTUREBLEND\n"
 649 "uniform sampler2D Texture_SecondaryNormal;\n"
 650 "uniform sampler2D Texture_SecondaryColor;\n"
 651 "uniform sampler2D Texture_SecondaryGloss;\n"
 652 "#ifdef USEGLOW\n"
 653 "uniform sampler2D Texture_SecondaryGlow;\n"
 654 "#endif\n"
 655 "#endif\n"
 656 "#ifdef USECOLORMAPPING\n"
 657 "uniform sampler2D Texture_Pants;\n"
 658 "uniform sampler2D Texture_Shirt;\n"
 659 "#endif\n"
 660 "#ifdef USEFOG\n"
 661 "#ifdef USEFOGHEIGHTTEXTURE\n"
 662 "uniform sampler2D Texture_FogHeightTexture;\n"
 663 "#endif\n"
 664 "uniform sampler2D Texture_FogMask;\n"
 665 "#endif\n"
 666 "#ifdef USELIGHTMAP\n"
 667 "uniform sampler2D Texture_Lightmap;\n"
 668 "#endif\n"
 669 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
 670 "uniform sampler2D Texture_Deluxemap;\n"
 671 "#endif\n"
 672 "#ifdef USEREFLECTION\n"
 673 "uniform sampler2D Texture_Reflection;\n"
 674 "#endif\n"
 675 "\n"
 676 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
 677 "uniform sampler2D Texture_ScreenNormalMap;\n"
 678 "#endif\n"
 679 "#ifdef USEDEFERREDLIGHTMAP\n"
 680 "uniform sampler2D Texture_ScreenDiffuse;\n"
 681 "uniform sampler2D Texture_ScreenSpecular;\n"
 682 "#endif\n"
 683 "\n"
 684 "uniform mediump vec3 Color_Pants;\n"
 685 "uniform mediump vec3 Color_Shirt;\n"
 686 "uniform mediump vec3 FogColor;\n"
 687 "\n"
 688 "#ifdef USEFOG\n"
 689 "uniform highp float FogRangeRecip;\n"
 690 "uniform highp float FogPlaneViewDist;\n"
 691 "uniform highp float FogHeightFade;\n"
 692 "vec3 FogVertex(vec4 surfacecolor)\n"
 693 "{\n"
 694 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL)\n"
 695 "       vec3 EyeVectorModelSpace = vec3(VectorS.w, VectorT.w, VectorR.w);\n"
 696 "#endif\n"
 697 "       float FogPlaneVertexDist = EyeVectorFogDepth.w;\n"
 698 "       float fogfrac;\n"
 699 "       vec3 fc = FogColor;\n"
 700 "#ifdef USEFOGALPHAHACK\n"
 701 "       fc *= surfacecolor.a;\n"
 702 "#endif\n"
 703 "#ifdef USEFOGHEIGHTTEXTURE\n"
 704 "       vec4 fogheightpixel = dp_texture2D(Texture_FogHeightTexture, vec2(1,1) + vec2(FogPlaneVertexDist, FogPlaneViewDist) * (-2.0 * FogHeightFade));\n"
 705 "       fogfrac = fogheightpixel.a;\n"
 706 "       return mix(fogheightpixel.rgb * fc, surfacecolor.rgb, dp_texture2D(Texture_FogMask, cast_myhalf2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n"
 707 "#else\n"
 708 "# ifdef USEFOGOUTSIDE\n"
 709 "       fogfrac = min(0.0, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0, min(0.0, FogPlaneVertexDist) * FogHeightFade);\n"
 710 "# else\n"
 711 "       fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0, FogPlaneVertexDist)) * min(1.0, (min(0.0, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);\n"
 712 "# endif\n"
 713 "       return mix(fc, surfacecolor.rgb, dp_texture2D(Texture_FogMask, cast_myhalf2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n"
 714 "#endif\n"
 715 "}\n"
 716 "#endif\n"
 717 "\n"
 718 "#ifdef USEOFFSETMAPPING\n"
 719 "uniform mediump vec4 OffsetMapping_ScaleSteps;\n"
 720 "uniform mediump float OffsetMapping_Bias;\n"
 721 "#ifdef USEOFFSETMAPPING_LOD\n"
 722 "uniform mediump float OffsetMapping_LodDistance;\n"
 723 "#endif\n"
 724 "vec2 OffsetMapping(vec2 TexCoord, vec2 dPdx, vec2 dPdy)\n"
 725 "{\n"
 726 "       float i;\n"
 727 "       // distance-based LOD\n"
 728 "#ifdef USEOFFSETMAPPING_LOD\n"
 729 "       //mediump float LODFactor = min(1.0, OffsetMapping_LodDistance / EyeVectorFogDepth.z);\n"
 730 "       //mediump vec4 ScaleSteps = vec4(OffsetMapping_ScaleSteps.x, OffsetMapping_ScaleSteps.y * LODFactor, OffsetMapping_ScaleSteps.z / LODFactor, OffsetMapping_ScaleSteps.w * LODFactor);\n"
 731 "       mediump float GuessLODFactor = min(1.0, OffsetMapping_LodDistance / EyeVectorFogDepth.z);\n"
 732 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n"
 733 "       // stupid workaround because 1-step and 2-step reliefmapping is void\n"
 734 "       mediump float LODSteps = max(3.0, ceil(GuessLODFactor * OffsetMapping_ScaleSteps.y));\n"
 735 "#else\n"
 736 "       mediump float LODSteps = ceil(GuessLODFactor * OffsetMapping_ScaleSteps.y);\n"
 737 "#endif\n"
 738 "       mediump float LODFactor = LODSteps / OffsetMapping_ScaleSteps.y;\n"
 739 "       mediump vec4 ScaleSteps = vec4(OffsetMapping_ScaleSteps.x, LODSteps, 1.0 / LODSteps, OffsetMapping_ScaleSteps.w * LODFactor);\n"
 740 "#else\n"
 741 "       #define ScaleSteps OffsetMapping_ScaleSteps\n"
 742 "#endif\n"
 743 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n"
 744 "       float f;\n"
 745 "       // 14 sample relief mapping: linear search and then binary search\n"
 746 "       // this basically steps forward a small amount repeatedly until it finds\n"
 747 "       // itself inside solid, then jitters forward and back using decreasing\n"
 748 "       // amounts to find the impact\n"
 749 "       //vec3 OffsetVector = vec3(EyeVectorFogDepth.xy * ((1.0 / EyeVectorFogDepth.z) * ScaleSteps.x) * vec2(-1, 1), -1);\n"
 750 "       //vec3 OffsetVector = vec3(normalize(EyeVectorFogDepth.xy) * ScaleSteps.x * vec2(-1, 1), -1);\n"
 751 "       vec3 OffsetVector = vec3(normalize(EyeVectorFogDepth.xyz).xy * ScaleSteps.x * vec2(-1, 1), -1);\n"
 752 "       vec3 RT = vec3(vec2(TexCoord.xy - OffsetVector.xy*OffsetMapping_Bias), 1);\n"
 753 "       OffsetVector *= ScaleSteps.z;\n"
 754 "       for(i = 1.0; i < ScaleSteps.y; ++i)\n"
 755 "               RT += OffsetVector *  step(dp_textureGrad(Texture_Normal, RT.xy, dPdx, dPdy).a, RT.z);\n"
 756 "       for(i = 0.0, f = 1.0; i < ScaleSteps.w; ++i, f *= 0.5)\n"
 757 "               RT += OffsetVector * (step(dp_textureGrad(Texture_Normal, RT.xy, dPdx, dPdy).a, RT.z) * f - 0.5 * f);\n"
 758 "       return RT.xy;\n"
 759 "#else\n"
 760 "       // 2 sample offset mapping (only 2 samples because of ATI Radeon 9500-9800/X300 limits)\n"
 761 "       //vec2 OffsetVector = vec2(EyeVectorFogDepth.xy * ((1.0 / EyeVectorFogDepth.z) * ScaleSteps.x) * vec2(-1, 1));\n"
 762 "       //vec2 OffsetVector = vec2(normalize(EyeVectorFogDepth.xy) * ScaleSteps.x * vec2(-1, 1));\n"
 763 "       vec2 OffsetVector = vec2(normalize(EyeVectorFogDepth.xyz).xy * ScaleSteps.x * vec2(-1, 1));\n"
 764 "       OffsetVector *= ScaleSteps.z;\n"
 765 "       for(i = 0.0; i < ScaleSteps.y; ++i)\n"
 766 "               TexCoord += OffsetVector * ((1.0 - OffsetMapping_Bias) - dp_textureGrad(Texture_Normal, TexCoord, dPdx, dPdy).a);\n"
 767 "       return TexCoord;\n"
 768 "#endif\n"
 769 "}\n"
 770 "#endif // USEOFFSETMAPPING\n"
 771 "\n"
 772 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE)\n"
 773 "uniform sampler2D Texture_Attenuation;\n"
 774 "uniform samplerCube Texture_Cube;\n"
 775 "#endif\n"
 776 "\n"
 777 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USESHADOWMAPORTHO)\n"
 778 "\n"
 779 "#ifdef USESHADOWMAP2D\n"
 780 "# ifdef USESHADOWSAMPLER\n"
 781 "uniform sampler2DShadow Texture_ShadowMap2D;\n"
 782 "# else\n"
 783 "uniform sampler2D Texture_ShadowMap2D;\n"
 784 "# endif\n"
 785 "#endif\n"
 786 "\n"
 787 "#ifdef USESHADOWMAPVSDCT\n"
 788 "uniform samplerCube Texture_CubeProjection;\n"
 789 "#endif\n"
 790 "\n"
 791 "#if defined(USESHADOWMAP2D)\n"
 792 "uniform mediump vec2 ShadowMap_TextureScale;\n"
 793 "uniform mediump vec4 ShadowMap_Parameters;\n"
 794 "#endif\n"
 795 "\n"
 796 "#if defined(USESHADOWMAP2D)\n"
 797 "# ifdef USESHADOWMAPORTHO\n"
 798 "#  define GetShadowMapTC2D(dir) (min(dir, ShadowMap_Parameters.xyz))\n"
 799 "# else\n"
 800 "#  ifdef USESHADOWMAPVSDCT\n"
 801 "vec3 GetShadowMapTC2D(vec3 dir)\n"
 802 "{\n"
 803 "       vec3 adir = abs(dir);\n"
 804 "       float m = max(max(adir.x, adir.y), adir.z);\n"
 805 "       vec4 proj = dp_textureCube(Texture_CubeProjection, dir);\n"
 806 "#ifdef USEDEPTHRGB\n"
 807 "       return vec3(mix(dir.xy, dir.zz, proj.xy) * (ShadowMap_Parameters.x / m) +  proj.zw * ShadowMap_Parameters.z, m + 64.0 * ShadowMap_Parameters.w);\n"
 808 "#else\n"
 809 "       vec2 mparams = ShadowMap_Parameters.xy / m;\n"
 810 "       return vec3(mix(dir.xy, dir.zz, proj.xy) * mparams.x + proj.zw * ShadowMap_Parameters.z, mparams.y + ShadowMap_Parameters.w);\n"
 811 "#endif\n"
 812 "}\n"
 813 "#  else\n"
 814 "vec3 GetShadowMapTC2D(vec3 dir)\n"
 815 "{\n"
 816 "       vec3 adir = abs(dir);\n"
 817 "       float m; vec4 proj;\n"
 818 "       if (adir.x > adir.y) { m = adir.x; proj = vec4(dir.zyx, 0.5); } else { m = adir.y; proj = vec4(dir.xzy, 1.5); }\n"
 819 "       if (adir.z > m) { m = adir.z; proj = vec4(dir, 2.5); }\n"
 820 "#ifdef USEDEPTHRGB\n"
 821 "       return vec3(proj.xy * (ShadowMap_Parameters.x / m) + vec2(0.5,0.5) + vec2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, m + 64.0 * ShadowMap_Parameters.w);\n"
 822 "#else\n"
 823 "       vec2 mparams = ShadowMap_Parameters.xy / m;\n"
 824 "       return vec3(proj.xy * mparams.x + vec2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, mparams.y + ShadowMap_Parameters.w);\n"
 825 "#endif\n"
 826 "}\n"
 827 "#  endif\n"
 828 "# endif\n"
 829 "#endif // defined(USESHADOWMAP2D)\n"
 830 "\n"
 831 "# ifdef USESHADOWMAP2D\n"
 832 "float ShadowMapCompare(vec3 dir)\n"
 833 "{\n"
 834 "       vec3 shadowmaptc = GetShadowMapTC2D(dir);\n"
 835 "       float f;\n"
 836 "\n"
 837 "#  ifdef USEDEPTHRGB\n"
 838 "#   ifdef USESHADOWMAPPCF\n"
 839 "#    define texval(x, y) decodedepthmacro(dp_texture2D(Texture_ShadowMap2D, center + vec2(x, y)*ShadowMap_TextureScale))\n"
 840 "#    if USESHADOWMAPPCF > 1\n"
 841 "       vec2 center = shadowmaptc.xy - 0.5, offset = fract(center);\n"
 842 "       center *= ShadowMap_TextureScale;\n"
 843 "       vec4 row1 = step(shadowmaptc.z, vec4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
 844 "       vec4 row2 = step(shadowmaptc.z, vec4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
 845 "       vec4 row3 = step(shadowmaptc.z, vec4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
 846 "       vec4 row4 = step(shadowmaptc.z, vec4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
 847 "       vec4 cols = row2 + row3 + mix(row1, row4, offset.y);\n"
 848 "       f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
 849 "#    else\n"
 850 "       vec2 center = shadowmaptc.xy*ShadowMap_TextureScale, offset = fract(shadowmaptc.xy);\n"
 851 "       vec3 row1 = step(shadowmaptc.z, vec3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
 852 "       vec3 row2 = step(shadowmaptc.z, vec3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
 853 "       vec3 row3 = step(shadowmaptc.z, vec3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
 854 "       vec3 cols = row2 + mix(row1, row3, offset.y);\n"
 855 "       f = dot(mix(cols.xy, cols.yz, offset.x), vec2(0.25));\n"
 856 "#    endif\n"
 857 "#   else\n"
 858 "       f = step(shadowmaptc.z, decodedepthmacro(dp_texture2D(Texture_ShadowMap2D, shadowmaptc.xy*ShadowMap_TextureScale)));\n"
 859 "#   endif\n"
 860 "#  else\n"
 861 "#   ifdef USESHADOWSAMPLER\n"
 862 "#     ifdef USESHADOWMAPPCF\n"
 863 "#       define texval(x, y) dp_shadow2D(Texture_ShadowMap2D, vec3(center + vec2(x, y)*ShadowMap_TextureScale, shadowmaptc.z))  \n"
 864 "       vec2 center = shadowmaptc.xy*ShadowMap_TextureScale;\n"
 865 "       f = dot(vec4(0.25), vec4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
 866 "#     else\n"
 867 "       f = dp_shadow2D(Texture_ShadowMap2D, vec3(shadowmaptc.xy*ShadowMap_TextureScale, shadowmaptc.z));\n"
 868 "#     endif\n"
 869 "#   else\n"
 870 "#     ifdef USESHADOWMAPPCF\n"
 871 "#      if defined(GL_ARB_texture_gather) || defined(GL_AMD_texture_texture4)\n"
 872 "#       ifdef GL_ARB_texture_gather\n"
 873 "#         define texval(x, y) textureGatherOffset(Texture_ShadowMap2D, center, ivec2(x, y))\n"
 874 "#       else\n"
 875 "#         define texval(x, y) texture4(Texture_ShadowMap2D, center + vec2(x, y)*ShadowMap_TextureScale)\n"
 876 "#       endif\n"
 877 "       vec2 offset = fract(shadowmaptc.xy - 0.5), center = (shadowmaptc.xy - offset)*ShadowMap_TextureScale;\n"
 878 "#       if USESHADOWMAPPCF > 1\n"
 879 "   vec4 group1 = step(shadowmaptc.z, texval(-2.0, -2.0));\n"
 880 "   vec4 group2 = step(shadowmaptc.z, texval( 0.0, -2.0));\n"
 881 "   vec4 group3 = step(shadowmaptc.z, texval( 2.0, -2.0));\n"
 882 "   vec4 group4 = step(shadowmaptc.z, texval(-2.0,  0.0));\n"
 883 "   vec4 group5 = step(shadowmaptc.z, texval( 0.0,  0.0));\n"
 884 "   vec4 group6 = step(shadowmaptc.z, texval( 2.0,  0.0));\n"
 885 "   vec4 group7 = step(shadowmaptc.z, texval(-2.0,  2.0));\n"
 886 "   vec4 group8 = step(shadowmaptc.z, texval( 0.0,  2.0));\n"
 887 "   vec4 group9 = step(shadowmaptc.z, texval( 2.0,  2.0));\n"
 888 "       vec4 locols = vec4(group1.ab, group3.ab);\n"
 889 "       vec4 hicols = vec4(group7.rg, group9.rg);\n"
 890 "       locols.yz += group2.ab;\n"
 891 "       hicols.yz += group8.rg;\n"
 892 "       vec4 midcols = vec4(group1.rg, group3.rg) + vec4(group7.ab, group9.ab) +\n"
 893 "                               vec4(group4.rg, group6.rg) + vec4(group4.ab, group6.ab) +\n"
 894 "                               mix(locols, hicols, offset.y);\n"
 895 "       vec4 cols = group5 + vec4(group2.rg, group8.ab);\n"
 896 "       cols.xyz += mix(midcols.xyz, midcols.yzw, offset.x);\n"
 897 "       f = dot(cols, vec4(1.0/25.0));\n"
 898 "#      else\n"
 899 "       vec4 group1 = step(shadowmaptc.z, texval(-1.0, -1.0));\n"
 900 "       vec4 group2 = step(shadowmaptc.z, texval( 1.0, -1.0));\n"
 901 "       vec4 group3 = step(shadowmaptc.z, texval(-1.0,  1.0));\n"
 902 "       vec4 group4 = step(shadowmaptc.z, texval( 1.0,  1.0));\n"
 903 "       vec4 cols = vec4(group1.rg, group2.rg) + vec4(group3.ab, group4.ab) +\n"
 904 "                               mix(vec4(group1.ab, group2.ab), vec4(group3.rg, group4.rg), offset.y);\n"
 905 "       f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
 906 "#       endif\n"
 907 "#      else\n"
 908 "#       ifdef GL_EXT_gpu_shader4\n"
 909 "#         define texval(x, y) dp_textureOffset(Texture_ShadowMap2D, center, x, y).r\n"
 910 "#       else\n"
 911 "#         define texval(x, y) dp_texture2D(Texture_ShadowMap2D, center + vec2(x, y)*ShadowMap_TextureScale).r  \n"
 912 "#       endif\n"
 913 "#       if USESHADOWMAPPCF > 1\n"
 914 "       vec2 center = shadowmaptc.xy - 0.5, offset = fract(center);\n"
 915 "       center *= ShadowMap_TextureScale;\n"
 916 "       vec4 row1 = step(shadowmaptc.z, vec4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
 917 "       vec4 row2 = step(shadowmaptc.z, vec4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
 918 "       vec4 row3 = step(shadowmaptc.z, vec4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
 919 "       vec4 row4 = step(shadowmaptc.z, vec4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
 920 "       vec4 cols = row2 + row3 + mix(row1, row4, offset.y);\n"
 921 "       f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
 922 "#       else\n"
 923 "       vec2 center = shadowmaptc.xy*ShadowMap_TextureScale, offset = fract(shadowmaptc.xy);\n"
 924 "       vec3 row1 = step(shadowmaptc.z, vec3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
 925 "       vec3 row2 = step(shadowmaptc.z, vec3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
 926 "       vec3 row3 = step(shadowmaptc.z, vec3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
 927 "       vec3 cols = row2 + mix(row1, row3, offset.y);\n"
 928 "       f = dot(mix(cols.xy, cols.yz, offset.x), vec2(0.25));\n"
 929 "#       endif\n"
 930 "#      endif\n"
 931 "#     else\n"
 932 "       f = step(shadowmaptc.z, dp_texture2D(Texture_ShadowMap2D, shadowmaptc.xy*ShadowMap_TextureScale).r);\n"
 933 "#     endif\n"
 934 "#   endif\n"
 935 "#  endif\n"
 936 "#  ifdef USESHADOWMAPORTHO\n"
 937 "       return mix(ShadowMap_Parameters.w, 1.0, f);\n"
 938 "#  else\n"
 939 "       return f;\n"
 940 "#  endif\n"
 941 "}\n"
 942 "# endif\n"
 943 "#endif // !defined(MODE_LIGHTSOURCE) && !defined(MODE_DEFERREDLIGHTSOURCE) && !defined(USESHADOWMAPORTHO)\n"
 944 "#endif // FRAGMENT_SHADER\n"
 945 "\n"
 946 "\n"
 947 "\n"
 948 "\n"
 949 "#ifdef MODE_DEFERREDGEOMETRY\n"
 950 "#ifdef VERTEX_SHADER\n"
 951 "uniform highp mat4 TexMatrix;\n"
 952 "#ifdef USEVERTEXTEXTUREBLEND\n"
 953 "uniform highp mat4 BackgroundTexMatrix;\n"
 954 "#endif\n"
 955 "uniform highp mat4 ModelViewMatrix;\n"
 956 "void main(void)\n"
 957 "{\n"
 958 "       TexCoordSurfaceLightmap = vec4((TexMatrix * Attrib_TexCoord0).xy, 0.0, 0.0);\n"
 959 "#ifdef USEVERTEXTEXTUREBLEND\n"
 960 "       VertexColor = Attrib_Color;\n"
 961 "       TexCoord2 = vec2(BackgroundTexMatrix * Attrib_TexCoord0);\n"
 962 "#endif\n"
 963 "\n"
 964 "       // transform unnormalized eye direction into tangent space\n"
 965 "#ifdef USEOFFSETMAPPING\n"
 966 "       vec3 EyeRelative = EyePosition - Attrib_Position.xyz;\n"
 967 "       EyeVectorFogDepth.x = dot(EyeRelative, Attrib_TexCoord1.xyz);\n"
 968 "       EyeVectorFogDepth.y = dot(EyeRelative, Attrib_TexCoord2.xyz);\n"
 969 "       EyeVectorFogDepth.z = dot(EyeRelative, Attrib_TexCoord3.xyz);\n"
 970 "       EyeVectorFogDepth.w = 0.0;\n"
 971 "#endif\n"
 972 "\n"
 973 "       VectorS = (ModelViewMatrix * vec4(Attrib_TexCoord1.xyz, 0));\n"
 974 "       VectorT = (ModelViewMatrix * vec4(Attrib_TexCoord2.xyz, 0));\n"
 975 "       VectorR = (ModelViewMatrix * vec4(Attrib_TexCoord3.xyz, 0));\n"
 976 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 977 "#ifdef USETRIPPY\n"
 978 "       gl_Position = TrippyVertex(gl_Position);\n"
 979 "#endif\n"
 980 "       Depth = (ModelViewMatrix * Attrib_Position).z;\n"
 981 "}\n"
 982 "#endif // VERTEX_SHADER\n"
 983 "\n"
 984 "#ifdef FRAGMENT_SHADER\n"
 985 "void main(void)\n"
 986 "{\n"
 987 "#ifdef USEOFFSETMAPPING\n"
 988 "       // apply offsetmapping\n"
 989 "       vec2 dPdx = dp_offsetmapping_dFdx(TexCoordSurfaceLightmap.xy);\n"
 990 "       vec2 dPdy = dp_offsetmapping_dFdy(TexCoordSurfaceLightmap.xy);\n"
 991 "       vec2 TexCoordOffset = OffsetMapping(TexCoordSurfaceLightmap.xy, dPdx, dPdy);\n"
 992 "# define offsetMappedTexture2D(t) dp_textureGrad(t, TexCoordOffset, dPdx, dPdy)\n"
 993 "#else\n"
 994 "# define offsetMappedTexture2D(t) dp_texture2D(t, TexCoordSurfaceLightmap.xy)\n"
 995 "#endif\n"
 996 "\n"
 997 "#ifdef USEALPHAKILL\n"
 998 "       if (offsetMappedTexture2D(Texture_Color).a < 0.5)\n"
 999 "               discard;\n"
1000 "#endif\n"
1001 "\n"
1002 "#ifdef USEVERTEXTEXTUREBLEND\n"
1003 "       float alpha = offsetMappedTexture2D(Texture_Color).a;\n"
1004 "       float terrainblend = clamp(float(VertexColor.a) * alpha * 2.0 - 0.5, float(0.0), float(1.0));\n"
1005 "       //float terrainblend = min(float(VertexColor.a) * alpha * 2.0, float(1.0));\n"
1006 "       //float terrainblend = float(VertexColor.a) * alpha > 0.5;\n"
1007 "#endif\n"
1008 "\n"
1009 "#ifdef USEVERTEXTEXTUREBLEND\n"
1010 "       vec3 surfacenormal = mix(vec3(dp_texture2D(Texture_SecondaryNormal, TexCoord2)), vec3(offsetMappedTexture2D(Texture_Normal)), terrainblend) - vec3(0.5, 0.5, 0.5);\n"
1011 "       float a = mix(dp_texture2D(Texture_SecondaryGloss, TexCoord2).a, offsetMappedTexture2D(Texture_Gloss).a, terrainblend);\n"
1012 "#else\n"
1013 "       vec3 surfacenormal = vec3(offsetMappedTexture2D(Texture_Normal)) - vec3(0.5, 0.5, 0.5);\n"
1014 "       float a = offsetMappedTexture2D(Texture_Gloss).a;\n"
1015 "#endif\n"
1016 "\n"
1017 "       vec3 pixelnormal = normalize(surfacenormal.x * VectorS.xyz + surfacenormal.y * VectorT.xyz + surfacenormal.z * VectorR.xyz);\n"
1018 "       dp_FragColor = vec4(pixelnormal.x, pixelnormal.y, Depth, a);\n"
1019 "}\n"
1020 "#endif // FRAGMENT_SHADER\n"
1021 "#else // !MODE_DEFERREDGEOMETRY\n"
1022 "\n"
1023 "\n"
1024 "\n"
1025 "\n"
1026 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
1027 "#ifdef VERTEX_SHADER\n"
1028 "uniform highp mat4 ModelViewMatrix;\n"
1029 "void main(void)\n"
1030 "{\n"
1031 "       ModelViewPosition = ModelViewMatrix * Attrib_Position;\n"
1032 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
1033 "}\n"
1034 "#endif // VERTEX_SHADER\n"
1035 "\n"
1036 "#ifdef FRAGMENT_SHADER\n"
1037 "uniform highp mat4 ViewToLight;\n"
1038 "// ScreenToDepth = vec2(Far / (Far - Near), Far * Near / (Near - Far));\n"
1039 "uniform highp vec2 ScreenToDepth;\n"
1040 "uniform myhalf3 DeferredColor_Ambient;\n"
1041 "uniform myhalf3 DeferredColor_Diffuse;\n"
1042 "#ifdef USESPECULAR\n"
1043 "uniform myhalf3 DeferredColor_Specular;\n"
1044 "uniform myhalf SpecularPower;\n"
1045 "#endif\n"
1046 "uniform myhalf2 PixelToScreenTexCoord;\n"
1047 "void main(void)\n"
1048 "{\n"
1049 "       // calculate viewspace pixel position\n"
1050 "       vec2 ScreenTexCoord = gl_FragCoord.xy * PixelToScreenTexCoord;\n"
1051 "       vec3 position;\n"
1052 "       // get the geometry information (depth, normal, specular exponent)\n"
1053 "       myhalf4 normalmap = dp_texture2D(Texture_ScreenNormalMap, ScreenTexCoord);\n"
1054 "       // decode viewspace pixel normal\n"
1055 "//     myhalf3 surfacenormal = normalize(normalmap.rgb - cast_myhalf3(0.5,0.5,0.5));\n"
1056 "       myhalf3 surfacenormal = myhalf3(normalmap.rg, sqrt(1.0-dot(normalmap.rg, normalmap.rg)));\n"
1057 "       // decode viewspace pixel position\n"
1058 "//     position.z = decodedepthmacro(dp_texture2D(Texture_ScreenDepth, ScreenTexCoord));\n"
1059 "       position.z = normalmap.b;\n"
1060 "//     position.z = ScreenToDepth.y / (dp_texture2D(Texture_ScreenDepth, ScreenTexCoord).r + ScreenToDepth.x);\n"
1061 "       position.xy = ModelViewPosition.xy * (position.z / ModelViewPosition.z);\n"
1062 "\n"
1063 "       // now do the actual shading\n"
1064 "       // surfacenormal = pixel normal in viewspace\n"
1065 "       // LightVector = pixel to light in viewspace\n"
1066 "       // CubeVector = pixel in lightspace\n"
1067 "       // eyevector = pixel to view in viewspace\n"
1068 "       vec3 CubeVector = vec3(ViewToLight * vec4(position,1));\n"
1069 "       myhalf fade = cast_myhalf(dp_texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n"
1070 "#ifdef USEDIFFUSE\n"
1071 "       // calculate diffuse shading\n"
1072 "       myhalf3 lightnormal = cast_myhalf3(normalize(LightPosition - position));\n"
1073 "       myhalf diffuse = cast_myhalf(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
1074 "#endif\n"
1075 "#ifdef USESPECULAR\n"
1076 "       // calculate directional shading\n"
1077 "       vec3 eyevector = position * -1.0;\n"
1078 "#  ifdef USEEXACTSPECULARMATH\n"
1079 "       myhalf specular = pow(cast_myhalf(max(float(dot(reflect(lightnormal, surfacenormal), normalize(eyevector)))*-1.0, 0.0)), 1.0 + SpecularPower * normalmap.a);\n"
1080 "#  else\n"
1081 "       myhalf3 specularnormal = normalize(lightnormal + cast_myhalf3(normalize(eyevector)));\n"
1082 "       myhalf specular = pow(cast_myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * normalmap.a);\n"
1083 "#  endif\n"
1084 "#endif\n"
1085 "\n"
1086 "#if defined(USESHADOWMAP2D)\n"
1087 "       fade *= ShadowMapCompare(CubeVector);\n"
1088 "#endif\n"
1089 "\n"
1090 "#ifdef USESPECULAR\n"
1091 "       gl_FragData[0] = vec4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n"
1092 "       gl_FragData[1] = vec4(DeferredColor_Specular * (specular * fade), 1.0);\n"
1093 "# ifdef USECUBEFILTER\n"
1094 "       vec3 cubecolor = dp_textureCube(Texture_Cube, CubeVector).rgb;\n"
1095 "       gl_FragData[0].rgb *= cubecolor;\n"
1096 "       gl_FragData[1].rgb *= cubecolor;\n"
1097 "# endif\n"
1098 "#else\n"
1099 "# ifdef USEDIFFUSE\n"
1100 "       gl_FragColor = vec4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n"
1101 "# else\n"
1102 "       gl_FragColor = vec4(DeferredColor_Ambient * fade, 1.0);\n"
1103 "# endif\n"
1104 "# ifdef USECUBEFILTER\n"
1105 "       vec3 cubecolor = dp_textureCube(Texture_Cube, CubeVector).rgb;\n"
1106 "       gl_FragColor.rgb *= cubecolor;\n"
1107 "# endif\n"
1108 "#endif\n"
1109 "}\n"
1110 "#endif // FRAGMENT_SHADER\n"
1111 "#else // !MODE_DEFERREDLIGHTSOURCE\n"
1112 "\n"
1113 "\n"
1114 "\n"
1115 "\n"
1116 "#ifdef VERTEX_SHADER\n"
1117 "uniform highp mat4 TexMatrix;\n"
1118 "#ifdef USEVERTEXTEXTUREBLEND\n"
1119 "uniform highp mat4 BackgroundTexMatrix;\n"
1120 "#endif\n"
1121 "#ifdef MODE_LIGHTSOURCE\n"
1122 "uniform highp mat4 ModelToLight;\n"
1123 "#endif\n"
1124 "#ifdef USESHADOWMAPORTHO\n"
1125 "uniform highp mat4 ShadowMapMatrix;\n"
1126 "#endif\n"
1127 "#ifdef USEBOUNCEGRID\n"
1128 "uniform highp mat4 BounceGridMatrix;\n"
1129 "#endif\n"
1130 "void main(void)\n"
1131 "{\n"
1132 "#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR) || defined(USEALPHAGENVERTEX)\n"
1133 "       VertexColor = Attrib_Color;\n"
1134 "#endif\n"
1135 "       // copy the surface texcoord\n"
1136 "#ifdef USELIGHTMAP\n"
1137 "       TexCoordSurfaceLightmap = vec4((TexMatrix * Attrib_TexCoord0).xy, Attrib_TexCoord4.xy);\n"
1138 "#else\n"
1139 "       TexCoordSurfaceLightmap = vec4((TexMatrix * Attrib_TexCoord0).xy, 0.0, 0.0);\n"
1140 "#endif\n"
1141 "#ifdef USEVERTEXTEXTUREBLEND\n"
1142 "       TexCoord2 = vec2(BackgroundTexMatrix * Attrib_TexCoord0);\n"
1143 "#endif\n"
1144 "\n"
1145 "#ifdef USEBOUNCEGRID\n"
1146 "       BounceGridTexCoord = vec3(BounceGridMatrix * Attrib_Position);\n"
1147 "#ifdef USEBOUNCEGRIDDIRECTIONAL\n"
1148 "       BounceGridTexCoord.z *= 0.125;\n"
1149 "#endif\n"
1150 "#endif\n"
1151 "\n"
1152 "#ifdef MODE_LIGHTSOURCE\n"
1153 "       // transform vertex position into light attenuation/cubemap space\n"
1154 "       // (-1 to +1 across the light box)\n"
1155 "       CubeVector = vec3(ModelToLight * Attrib_Position);\n"
1156 "\n"
1157 "# ifdef USEDIFFUSE\n"
1158 "       // transform unnormalized light direction into tangent space\n"
1159 "       // (we use unnormalized to ensure that it interpolates correctly and then\n"
1160 "       //  normalize it per pixel)\n"
1161 "       vec3 lightminusvertex = LightPosition - Attrib_Position.xyz;\n"
1162 "       LightVector.x = dot(lightminusvertex, Attrib_TexCoord1.xyz);\n"
1163 "       LightVector.y = dot(lightminusvertex, Attrib_TexCoord2.xyz);\n"
1164 "       LightVector.z = dot(lightminusvertex, Attrib_TexCoord3.xyz);\n"
1165 "# endif\n"
1166 "#endif\n"
1167 "\n"
1168 "#if defined(MODE_LIGHTDIRECTION) && defined(USEDIFFUSE)\n"
1169 "       LightVector.x = dot(LightDir, Attrib_TexCoord1.xyz);\n"
1170 "       LightVector.y = dot(LightDir, Attrib_TexCoord2.xyz);\n"
1171 "       LightVector.z = dot(LightDir, Attrib_TexCoord3.xyz);\n"
1172 "#endif\n"
1173 "\n"
1174 "       // transform unnormalized eye direction into tangent space\n"
1175 "#ifdef USEEYEVECTOR\n"
1176 "       vec3 EyeRelative = EyePosition - Attrib_Position.xyz;\n"
1177 "       EyeVectorFogDepth.x = dot(EyeRelative, Attrib_TexCoord1.xyz);\n"
1178 "       EyeVectorFogDepth.y = dot(EyeRelative, Attrib_TexCoord2.xyz);\n"
1179 "       EyeVectorFogDepth.z = dot(EyeRelative, Attrib_TexCoord3.xyz);\n"
1180 "#ifdef USEFOG\n"
1181 "       EyeVectorFogDepth.w = dot(FogPlane, Attrib_Position);\n"
1182 "#else\n"
1183 "       EyeVectorFogDepth.w = 0.0;\n"
1184 "#endif\n"
1185 "#endif\n"
1186 "\n"
1187 "\n"
1188 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL)\n"
1189 "# ifdef USEFOG\n"
1190 "       VectorS = vec4(Attrib_TexCoord1.xyz, EyePosition.x - Attrib_Position.x);\n"
1191 "       VectorT = vec4(Attrib_TexCoord2.xyz, EyePosition.y - Attrib_Position.y);\n"
1192 "       VectorR = vec4(Attrib_TexCoord3.xyz, EyePosition.z - Attrib_Position.z);\n"
1193 "# else\n"
1194 "       VectorS = vec4(Attrib_TexCoord1, 0);\n"
1195 "       VectorT = vec4(Attrib_TexCoord2, 0);\n"
1196 "       VectorR = vec4(Attrib_TexCoord3, 0);\n"
1197 "# endif\n"
1198 "#else\n"
1199 "# ifdef USEFOG\n"
1200 "       EyeVectorModelSpace = EyePosition - Attrib_Position.xyz;\n"
1201 "# endif\n"
1202 "#endif\n"
1203 "\n"
1204 "       // transform vertex to clipspace (post-projection, but before perspective divide by W occurs)\n"
1205 "       gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
1206 "\n"
1207 "#ifdef USESHADOWMAPORTHO\n"
1208 "       ShadowMapTC = vec3(ShadowMapMatrix * gl_Position);\n"
1209 "#endif\n"
1210 "\n"
1211 "#ifdef USEREFLECTION\n"
1212 "       ModelViewProjectionPosition = gl_Position;\n"
1213 "#endif\n"
1214 "#ifdef USETRIPPY\n"
1215 "       gl_Position = TrippyVertex(gl_Position);\n"
1216 "#endif\n"
1217 "}\n"
1218 "#endif // VERTEX_SHADER\n"
1219 "\n"
1220 "\n"
1221 "\n"
1222 "\n"
1223 "#ifdef FRAGMENT_SHADER\n"
1224 "#ifdef USEDEFERREDLIGHTMAP\n"
1225 "uniform myhalf2 PixelToScreenTexCoord;\n"
1226 "uniform myhalf3 DeferredMod_Diffuse;\n"
1227 "uniform myhalf3 DeferredMod_Specular;\n"
1228 "#endif\n"
1229 "uniform myhalf3 Color_Ambient;\n"
1230 "uniform myhalf3 Color_Diffuse;\n"
1231 "uniform myhalf3 Color_Specular;\n"
1232 "uniform myhalf SpecularPower;\n"
1233 "#ifdef USEGLOW\n"
1234 "uniform myhalf3 Color_Glow;\n"
1235 "#endif\n"
1236 "uniform myhalf Alpha;\n"
1237 "#ifdef USEREFLECTION\n"
1238 "uniform mediump vec4 DistortScaleRefractReflect;\n"
1239 "uniform mediump vec4 ScreenScaleRefractReflect;\n"
1240 "uniform mediump vec4 ScreenCenterRefractReflect;\n"
1241 "uniform mediump vec4 ReflectColor;\n"
1242 "#endif\n"
1243 "#ifdef USEREFLECTCUBE\n"
1244 "uniform highp mat4 ModelToReflectCube;\n"
1245 "uniform sampler2D Texture_ReflectMask;\n"
1246 "uniform samplerCube Texture_ReflectCube;\n"
1247 "#endif\n"
1248 "#ifdef MODE_LIGHTDIRECTION\n"
1249 "uniform myhalf3 LightColor;\n"
1250 "#endif\n"
1251 "#ifdef MODE_LIGHTSOURCE\n"
1252 "uniform myhalf3 LightColor;\n"
1253 "#endif\n"
1254 "#ifdef USEBOUNCEGRID\n"
1255 "uniform sampler3D Texture_BounceGrid;\n"
1256 "uniform float BounceGridIntensity;\n"
1257 "uniform highp mat4 BounceGridMatrix;\n"
1258 "#endif\n"
1259 "uniform highp float ClientTime;\n"
1260 "#ifdef USENORMALMAPSCROLLBLEND\n"
1261 "uniform highp vec2 NormalmapScrollBlend;\n"
1262 "#endif\n"
1263 "void main(void)\n"
1264 "{\n"
1265 "#ifdef USEOFFSETMAPPING\n"
1266 "       // apply offsetmapping\n"
1267 "       vec2 dPdx = dp_offsetmapping_dFdx(TexCoordSurfaceLightmap.xy);\n"
1268 "       vec2 dPdy = dp_offsetmapping_dFdy(TexCoordSurfaceLightmap.xy);\n"
1269 "       vec2 TexCoordOffset = OffsetMapping(TexCoordSurfaceLightmap.xy, dPdx, dPdy);\n"
1270 "# define offsetMappedTexture2D(t) dp_textureGrad(t, TexCoordOffset, dPdx, dPdy)\n"
1271 "# define TexCoord TexCoordOffset\n"
1272 "#else\n"
1273 "# define offsetMappedTexture2D(t) dp_texture2D(t, TexCoordSurfaceLightmap.xy)\n"
1274 "# define TexCoord TexCoordSurfaceLightmap.xy\n"
1275 "#endif\n"
1276 "\n"
1277 "       // combine the diffuse textures (base, pants, shirt)\n"
1278 "       myhalf4 color = cast_myhalf4(offsetMappedTexture2D(Texture_Color));\n"
1279 "#ifdef USEALPHAKILL\n"
1280 "       if (color.a < 0.5)\n"
1281 "               discard;\n"
1282 "#endif\n"
1283 "       color.a *= Alpha;\n"
1284 "#ifdef USECOLORMAPPING\n"
1285 "       color.rgb += cast_myhalf3(offsetMappedTexture2D(Texture_Pants)) * Color_Pants + cast_myhalf3(offsetMappedTexture2D(Texture_Shirt)) * Color_Shirt;\n"
1286 "#endif\n"
1287 "#ifdef USEVERTEXTEXTUREBLEND\n"
1288 "#ifdef USEBOTHALPHAS\n"
1289 "       myhalf4 color2 = cast_myhalf4(dp_texture2D(Texture_SecondaryColor, TexCoord2));\n"
1290 "       myhalf terrainblend = clamp(cast_myhalf(VertexColor.a) * color.a, cast_myhalf(1.0 - color2.a), cast_myhalf(1.0));\n"
1291 "       color.rgb = mix(color2.rgb, color.rgb, terrainblend);\n"
1292 "#else\n"
1293 "       myhalf terrainblend = clamp(cast_myhalf(VertexColor.a) * color.a * 2.0 - 0.5, cast_myhalf(0.0), cast_myhalf(1.0));\n"
1294 "       //myhalf terrainblend = min(cast_myhalf(VertexColor.a) * color.a * 2.0, cast_myhalf(1.0));\n"
1295 "       //myhalf terrainblend = cast_myhalf(VertexColor.a) * color.a > 0.5;\n"
1296 "       color.rgb = mix(cast_myhalf3(dp_texture2D(Texture_SecondaryColor, TexCoord2)), color.rgb, terrainblend);\n"
1297 "#endif\n"
1298 "       color.a = 1.0;\n"
1299 "       //color = mix(cast_myhalf4(1, 0, 0, 1), color, terrainblend);\n"
1300 "#endif\n"
1301 "#ifdef USEALPHAGENVERTEX\n"
1302 "       color.a *= VertexColor.a;\n"
1303 "#endif\n"
1304 "\n"
1305 "       // get the surface normal\n"
1306 "#ifdef USEVERTEXTEXTUREBLEND\n"
1307 "       myhalf3 surfacenormal = normalize(mix(cast_myhalf3(dp_texture2D(Texture_SecondaryNormal, TexCoord2)), cast_myhalf3(offsetMappedTexture2D(Texture_Normal)), terrainblend) - cast_myhalf3(0.5, 0.5, 0.5));\n"
1308 "#else\n"
1309 "       myhalf3 surfacenormal = normalize(cast_myhalf3(offsetMappedTexture2D(Texture_Normal)) - cast_myhalf3(0.5, 0.5, 0.5));\n"
1310 "#endif\n"
1311 "\n"
1312 "       // get the material colors\n"
1313 "       myhalf3 diffusetex = color.rgb;\n"
1314 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n"
1315 "# ifdef USEVERTEXTEXTUREBLEND\n"
1316 "       myhalf4 glosstex = mix(cast_myhalf4(dp_texture2D(Texture_SecondaryGloss, TexCoord2)), cast_myhalf4(offsetMappedTexture2D(Texture_Gloss)), terrainblend);\n"
1317 "# else\n"
1318 "       myhalf4 glosstex = cast_myhalf4(offsetMappedTexture2D(Texture_Gloss));\n"
1319 "# endif\n"
1320 "#endif\n"
1321 "\n"
1322 "#ifdef USEREFLECTCUBE\n"
1323 "       vec3 TangentReflectVector = reflect(-EyeVectorFogDepth.xyz, surfacenormal);\n"
1324 "       vec3 ModelReflectVector = TangentReflectVector.x * VectorS.xyz + TangentReflectVector.y * VectorT.xyz + TangentReflectVector.z * VectorR.xyz;\n"
1325 "       vec3 ReflectCubeTexCoord = vec3(ModelToReflectCube * vec4(ModelReflectVector, 0));\n"
1326 "       diffusetex += cast_myhalf3(offsetMappedTexture2D(Texture_ReflectMask)) * cast_myhalf3(dp_textureCube(Texture_ReflectCube, ReflectCubeTexCoord));\n"
1327 "#endif\n"
1328 "\n"
1329 "\n"
1330 "\n"
1331 "\n"
1332 "#ifdef MODE_LIGHTSOURCE\n"
1333 "       // light source\n"
1334 "#ifdef USEDIFFUSE\n"
1335 "       myhalf3 lightnormal = cast_myhalf3(normalize(LightVector));\n"
1336 "       myhalf diffuse = cast_myhalf(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
1337 "       color.rgb = diffusetex * (Color_Ambient + diffuse * Color_Diffuse);\n"
1338 "#ifdef USESPECULAR\n"
1339 "#ifdef USEEXACTSPECULARMATH\n"
1340 "       myhalf specular = pow(cast_myhalf(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVectorFogDepth.xyz)))*-1.0, 0.0)), 1.0 + SpecularPower * glosstex.a);\n"
1341 "#else\n"
1342 "       myhalf3 specularnormal = normalize(lightnormal + cast_myhalf3(normalize(EyeVectorFogDepth.xyz)));\n"
1343 "       myhalf specular = pow(cast_myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * glosstex.a);\n"
1344 "#endif\n"
1345 "       color.rgb += glosstex.rgb * (specular * Color_Specular);\n"
1346 "#endif\n"
1347 "#else\n"
1348 "       color.rgb = diffusetex * Color_Ambient;\n"
1349 "#endif\n"
1350 "       color.rgb *= LightColor;\n"
1351 "       color.rgb *= cast_myhalf(dp_texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n"
1352 "#if defined(USESHADOWMAP2D)\n"
1353 "       color.rgb *= ShadowMapCompare(CubeVector);\n"
1354 "#endif\n"
1355 "# ifdef USECUBEFILTER\n"
1356 "       color.rgb *= cast_myhalf3(dp_textureCube(Texture_Cube, CubeVector));\n"
1357 "# endif\n"
1358 "#endif // MODE_LIGHTSOURCE\n"
1359 "\n"
1360 "\n"
1361 "\n"
1362 "\n"
1363 "#ifdef MODE_LIGHTDIRECTION\n"
1364 "       #define SHADING\n"
1365 "       #ifdef USEDIFFUSE\n"
1366 "               myhalf3 lightnormal = cast_myhalf3(normalize(LightVector));\n"
1367 "       #endif\n"
1368 "       #define lightcolor LightColor\n"
1369 "#endif // MODE_LIGHTDIRECTION\n"
1370 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1371 "   #define SHADING\n"
1372 "       // deluxemap lightmapping using light vectors in modelspace (q3map2 -light -deluxe)\n"
1373 "       myhalf3 lightnormal_modelspace = cast_myhalf3(dp_texture2D(Texture_Deluxemap, TexCoordSurfaceLightmap.zw)) * 2.0 + cast_myhalf3(-1.0, -1.0, -1.0);\n"
1374 "       myhalf3 lightcolor = cast_myhalf3(dp_texture2D(Texture_Lightmap, TexCoordSurfaceLightmap.zw));\n"
1375 "       // convert modelspace light vector to tangentspace\n"
1376 "       myhalf3 lightnormal;\n"
1377 "       lightnormal.x = dot(lightnormal_modelspace, cast_myhalf3(VectorS));\n"
1378 "       lightnormal.y = dot(lightnormal_modelspace, cast_myhalf3(VectorT));\n"
1379 "       lightnormal.z = dot(lightnormal_modelspace, cast_myhalf3(VectorR));\n"
1380 "       lightnormal = normalize(lightnormal); // VectorS/T/R are not always perfectly normalized, and EXACTSPECULARMATH is very picky about this\n"
1381 "       // calculate directional shading (and undoing the existing angle attenuation on the lightmap by the division)\n"
1382 "       // note that q3map2 is too stupid to calculate proper surface normals when q3map_nonplanar\n"
1383 "       // is used (the lightmap and deluxemap coords correspond to virtually random coordinates\n"
1384 "       // on that luxel, and NOT to its center, because recursive triangle subdivision is used\n"
1385 "       // to map the luxels to coordinates on the draw surfaces), which also causes\n"
1386 "       // deluxemaps to be wrong because light contributions from the wrong side of the surface\n"
1387 "       // are added up. To prevent divisions by zero or strong exaggerations, a max()\n"
1388 "       // nudge is done here at expense of some additional fps. This is ONLY needed for\n"
1389 "       // deluxemaps, tangentspace deluxemap avoid this problem by design.\n"
1390 "       lightcolor *= 1.0 / max(0.25, lightnormal.z);\n"
1391 "#endif // MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1392 "#ifdef MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n"
1393 "   #define SHADING\n"
1394 "       // deluxemap lightmapping using light vectors in tangentspace (hmap2 -light)\n"
1395 "       myhalf3 lightnormal = cast_myhalf3(dp_texture2D(Texture_Deluxemap, TexCoordSurfaceLightmap.zw)) * 2.0 + cast_myhalf3(-1.0, -1.0, -1.0);\n"
1396 "       myhalf3 lightcolor = cast_myhalf3(dp_texture2D(Texture_Lightmap, TexCoordSurfaceLightmap.zw));\n"
1397 "#endif\n"
1398 "#if defined(MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR)\n"
1399 "       #define SHADING\n"
1400 "       // forced deluxemap on lightmapped/vertexlit surfaces\n"
1401 "       myhalf3 lightnormal = cast_myhalf3(0.0, 0.0, 1.0);\n"
1402 "   #ifdef USELIGHTMAP\n"
1403 "               myhalf3 lightcolor = cast_myhalf3(dp_texture2D(Texture_Lightmap, TexCoordSurfaceLightmap.zw));\n"
1404 "   #else\n"
1405 "               myhalf3 lightcolor = cast_myhalf3(VertexColor.rgb);\n"
1406 "   #endif\n"
1407 "#endif\n"
1408 "#ifdef MODE_FAKELIGHT\n"
1409 "       #define SHADING\n"
1410 "       myhalf3 lightnormal = cast_myhalf3(normalize(EyeVectorFogDepth.xyz));\n"
1411 "       myhalf3 lightcolor = cast_myhalf3(1.0);\n"
1412 "#endif // MODE_FAKELIGHT\n"
1413 "\n"
1414 "\n"
1415 "\n"
1416 "\n"
1417 "#ifdef MODE_LIGHTMAP\n"
1418 "       color.rgb = diffusetex * (Color_Ambient + cast_myhalf3(dp_texture2D(Texture_Lightmap, TexCoordSurfaceLightmap.zw)) * Color_Diffuse);\n"
1419 "#endif // MODE_LIGHTMAP\n"
1420 "#ifdef MODE_VERTEXCOLOR\n"
1421 "       color.rgb = diffusetex * (Color_Ambient + cast_myhalf3(VertexColor.rgb) * Color_Diffuse);\n"
1422 "#endif // MODE_VERTEXCOLOR\n"
1423 "#ifdef MODE_FLATCOLOR\n"
1424 "       color.rgb = diffusetex * Color_Ambient;\n"
1425 "#endif // MODE_FLATCOLOR\n"
1426 "\n"
1427 "\n"
1428 "\n"
1429 "\n"
1430 "#ifdef SHADING\n"
1431 "# ifdef USEDIFFUSE\n"
1432 "       myhalf diffuse = cast_myhalf(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
1433 "#  ifdef USESPECULAR\n"
1434 "#   ifdef USEEXACTSPECULARMATH\n"
1435 "       myhalf specular = pow(cast_myhalf(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVectorFogDepth.xyz)))*-1.0, 0.0)), 1.0 + SpecularPower * glosstex.a);\n"
1436 "#   else\n"
1437 "       myhalf3 specularnormal = normalize(lightnormal + cast_myhalf3(normalize(EyeVectorFogDepth.xyz)));\n"
1438 "       myhalf specular = pow(cast_myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), 1.0 + SpecularPower * glosstex.a);\n"
1439 "#   endif\n"
1440 "       color.rgb = diffusetex * Color_Ambient + (diffusetex * Color_Diffuse * diffuse + glosstex.rgb * Color_Specular * specular) * lightcolor;\n"
1441 "#  else\n"
1442 "       color.rgb = diffusetex * (Color_Ambient + Color_Diffuse * diffuse * lightcolor);\n"
1443 "#  endif\n"
1444 "# else\n"
1445 "       color.rgb = diffusetex * Color_Ambient;\n"
1446 "# endif\n"
1447 "#endif\n"
1448 "\n"
1449 "#ifdef USESHADOWMAPORTHO\n"
1450 "       color.rgb *= ShadowMapCompare(ShadowMapTC);\n"
1451 "#endif\n"
1452 "\n"
1453 "#ifdef USEDEFERREDLIGHTMAP\n"
1454 "       vec2 ScreenTexCoord = gl_FragCoord.xy * PixelToScreenTexCoord;\n"
1455 "       color.rgb += diffusetex * cast_myhalf3(dp_texture2D(Texture_ScreenDiffuse, ScreenTexCoord)) * DeferredMod_Diffuse;\n"
1456 "       color.rgb += glosstex.rgb * cast_myhalf3(dp_texture2D(Texture_ScreenSpecular, ScreenTexCoord)) * DeferredMod_Specular;\n"
1457 "//     color.rgb = dp_texture2D(Texture_ScreenNormalMap, ScreenTexCoord).rgb * vec3(1.0, 1.0, 0.001);\n"
1458 "#endif\n"
1459 "\n"
1460 "#ifdef USEBOUNCEGRID\n"
1461 "#ifdef USEBOUNCEGRIDDIRECTIONAL\n"
1462 "//     myhalf4 bouncegrid_coeff1 = cast_myhalf4(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord                        ));\n"
1463 "//     myhalf4 bouncegrid_coeff2 = cast_myhalf4(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord + vec3(0.0, 0.0, 0.125))) * 2.0 + cast_myhalf4(-1.0, -1.0, -1.0, -1.0);\n"
1464 "       myhalf4 bouncegrid_coeff3 = cast_myhalf4(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord + vec3(0.0, 0.0, 0.250)));\n"
1465 "       myhalf4 bouncegrid_coeff4 = cast_myhalf4(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord + vec3(0.0, 0.0, 0.375)));\n"
1466 "       myhalf4 bouncegrid_coeff5 = cast_myhalf4(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord + vec3(0.0, 0.0, 0.500)));\n"
1467 "       myhalf4 bouncegrid_coeff6 = cast_myhalf4(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord + vec3(0.0, 0.0, 0.625)));\n"
1468 "       myhalf4 bouncegrid_coeff7 = cast_myhalf4(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord + vec3(0.0, 0.0, 0.750)));\n"
1469 "       myhalf4 bouncegrid_coeff8 = cast_myhalf4(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord + vec3(0.0, 0.0, 0.875)));\n"
1470 "       myhalf3 bouncegrid_dir = normalize(mat3(BounceGridMatrix) * (surfacenormal.x * VectorS.xyz + surfacenormal.y * VectorT.xyz + surfacenormal.z * VectorR.xyz));\n"
1471 "       myhalf3 bouncegrid_dirp = max(cast_myhalf3(0.0, 0.0, 0.0), bouncegrid_dir);\n"
1472 "       myhalf3 bouncegrid_dirn = max(cast_myhalf3(0.0, 0.0, 0.0), -bouncegrid_dir);\n"
1473 "//     bouncegrid_dirp  = bouncegrid_dirn = cast_myhalf3(1.0,1.0,1.0);\n"
1474 "       myhalf3 bouncegrid_light = cast_myhalf3(\n"
1475 "               dot(bouncegrid_coeff3.xyz, bouncegrid_dirp) + dot(bouncegrid_coeff6.xyz, bouncegrid_dirn),\n"
1476 "               dot(bouncegrid_coeff4.xyz, bouncegrid_dirp) + dot(bouncegrid_coeff7.xyz, bouncegrid_dirn),\n"
1477 "               dot(bouncegrid_coeff5.xyz, bouncegrid_dirp) + dot(bouncegrid_coeff8.xyz, bouncegrid_dirn));\n"
1478 "       color.rgb += diffusetex * bouncegrid_light * BounceGridIntensity;\n"
1479 "//     color.rgb = bouncegrid_dir.rgb * 0.5 + vec3(0.5, 0.5, 0.5);\n"
1480 "#else\n"
1481 "       color.rgb += diffusetex * cast_myhalf3(dp_texture3D(Texture_BounceGrid, BounceGridTexCoord)) * BounceGridIntensity;\n"
1482 "#endif\n"
1483 "#endif\n"
1484 "\n"
1485 "#ifdef USEGLOW\n"
1486 "#ifdef USEVERTEXTEXTUREBLEND\n"
1487 "       color.rgb += mix(cast_myhalf3(dp_texture2D(Texture_SecondaryGlow, TexCoord2)), cast_myhalf3(offsetMappedTexture2D(Texture_Glow)), terrainblend) * Color_Glow;\n"
1488 "#else\n"
1489 "       color.rgb += cast_myhalf3(offsetMappedTexture2D(Texture_Glow)) * Color_Glow;\n"
1490 "#endif\n"
1491 "#endif\n"
1492 "\n"
1493 "#ifdef USEFOG\n"
1494 "       color.rgb = FogVertex(color);\n"
1495 "#endif\n"
1496 "\n"
1497 "       // 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"
1498 "#ifdef USEREFLECTION\n"
1499 "       vec4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
1500 "       //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(cast_myhalf3(offsetMappedTexture2D(Texture_Normal)) - cast_myhalf3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
1501 "       vec2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW.zw + ScreenCenterRefractReflect.zw;\n"
1502 "       #ifdef USENORMALMAPSCROLLBLEND\n"
1503 "# ifdef USEOFFSETMAPPING\n"
1504 "               vec3 normal = dp_textureGrad(Texture_Normal, (TexCoord + vec2(0.08, 0.08)*ClientTime*NormalmapScrollBlend.x*0.5)*NormalmapScrollBlend.y, dPdx*NormalmapScrollBlend.y, dPdy*NormalmapScrollBlend.y).rgb - vec3(1.0);\n"
1505 "# else\n"
1506 "               vec3 normal = dp_texture2D(Texture_Normal, (TexCoord + vec2(0.08, 0.08)*ClientTime*NormalmapScrollBlend.x*0.5)*NormalmapScrollBlend.y).rgb - vec3(1.0);\n"
1507 "# endif\n"
1508 "               normal += dp_texture2D(Texture_Normal, (TexCoord + vec2(-0.06, -0.09)*ClientTime*NormalmapScrollBlend.x)*NormalmapScrollBlend.y*0.75).rgb;\n"
1509 "               vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(cast_myhalf3(normal))).xy * DistortScaleRefractReflect.zw;\n"
1510 "       #else\n"
1511 "               vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(cast_myhalf3(offsetMappedTexture2D(Texture_Normal)) - cast_myhalf3(0.5))).xy * DistortScaleRefractReflect.zw;\n"
1512 "       #endif\n"
1513 "       // FIXME temporary hack to detect the case that the reflection\n"
1514 "       // gets blackened at edges due to leaving the area that contains actual\n"
1515 "       // content.\n"
1516 "       // Remove this 'ack once we have a better way to stop this thing from\n"
1517 "       // 'appening.\n"
1518 "       float f = min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n"
1519 "       f      *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n"
1520 "       f      *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
1521 "       f      *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
1522 "       ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
1523 "       color.rgb = mix(color.rgb, cast_myhalf3(dp_texture2D(Texture_Reflection, ScreenTexCoord)) * ReflectColor.rgb, ReflectColor.a);\n"
1524 "#endif\n"
1525 "\n"
1526 "       dp_FragColor = vec4(color);\n"
1527 "}\n"
1528 "#endif // FRAGMENT_SHADER\n"
1529 "\n"
1530 "#endif // !MODE_DEFERREDLIGHTSOURCE\n"
1531 "#endif // !MODE_DEFERREDGEOMETRY\n"
1532 "#endif // !MODE_WATER\n"
1533 "#endif // !MODE_REFRACTION\n"
1534 "#endif // !MODE_BLOOMBLUR\n"
1535 "#endif // !MODE_GENERIC\n"
1536 "#endif // !MODE_POSTPROCESS\n"
1537 "#endif // !MODE_SHOWDEPTH\n"
1538 "#endif // !MODE_DEPTH_OR_SHADOW\n"