"// written by Forest 'LordHavoc' Hale\n",
"// shadowmapping enhancements by Lee 'eihrul' Salzman\n",
"\n",
-"#ifdef USESKELETAL\n",
+"#if defined(USESKELETAL) || defined(USEOCCLUDE)\n",
"# ifdef GL_ARB_uniform_buffer_object\n",
"# extension GL_ARB_uniform_buffer_object : enable\n",
"# endif\n",
"#ifdef USENORMALMAPSCROLLBLEND\n",
"uniform highp vec2 NormalmapScrollBlend;\n",
"#endif\n",
+"#ifdef USEOCCLUDE\n",
+"uniform occludeQuery {\n",
+" uint visiblepixels;\n",
+" uint allpixels;\n",
+"};\n",
+"#endif\n",
"void main(void)\n",
"{\n",
"#ifdef USEOFFSETMAPPING\n",
" ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n",
" color.rgb = mix(color.rgb, cast_myhalf3(dp_texture2D(Texture_Reflection, ScreenTexCoord)) * ReflectColor.rgb, ReflectColor.a);\n",
"#endif\n",
+"#ifdef USEOCCLUDE\n",
+" color.rgb *= clamp(float(visiblepixels) / float(allpixels), 0.0, 1.0);\n",
+"#endif\n",
"\n",
" dp_FragColor = vec4(color);\n",
"}\n",