"// 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",
" float minreduct = (1.0 / 128.0);\n",
"\n",
" // directions\n",
-" vec3 NW = texture2D(Texture_First, TexCoord1 + (vec2(-1.0, -1.0) * PixelSize)).xyz;\n",
-" vec3 NE = texture2D(Texture_First, TexCoord1 + (vec2(+1.0, -1.0) * PixelSize)).xyz;\n",
-" vec3 SW = texture2D(Texture_First, TexCoord1 + (vec2(-1.0, +1.0) * PixelSize)).xyz;\n",
-" vec3 SE = texture2D(Texture_First, TexCoord1 + (vec2(+1.0, +1.0) * PixelSize)).xyz;\n",
-" vec3 M = texture2D(Texture_First, TexCoord1).xyz;\n",
+" vec3 NW = dp_texture2D(Texture_First, TexCoord1 + (vec2(-1.0, -1.0) * PixelSize)).xyz;\n",
+" vec3 NE = dp_texture2D(Texture_First, TexCoord1 + (vec2(+1.0, -1.0) * PixelSize)).xyz;\n",
+" vec3 SW = dp_texture2D(Texture_First, TexCoord1 + (vec2(-1.0, +1.0) * PixelSize)).xyz;\n",
+" vec3 SE = dp_texture2D(Texture_First, TexCoord1 + (vec2(+1.0, +1.0) * PixelSize)).xyz;\n",
+" vec3 M = dp_texture2D(Texture_First, TexCoord1).xyz;\n",
"\n",
" // luminance directions\n",
" vec3 luma = vec3(0.299, 0.587, 0.114);\n",
" dir = min(vec2(maxspan, maxspan), max(vec2(-maxspan, -maxspan), dir * rcp)) * PixelSize;\n",
"\n",
" vec3 rA = (1.0/2.0) * (\n",
-" texture2D(Texture_First, TexCoord1 + dir * (1.0/3.0 - 0.5)).xyz +\n",
-" texture2D(Texture_First, TexCoord1 + dir * (2.0/3.0 - 0.5)).xyz);\n",
+" dp_texture2D(Texture_First, TexCoord1 + dir * (1.0/3.0 - 0.5)).xyz +\n",
+" dp_texture2D(Texture_First, TexCoord1 + dir * (2.0/3.0 - 0.5)).xyz);\n",
" vec3 rB = rA * (1.0/2.0) + (1.0/4.0) * (\n",
-" texture2D(Texture_First, TexCoord1 + dir * (0.0/3.0 - 0.5)).xyz +\n",
-" texture2D(Texture_First, TexCoord1 + dir * (3.0/3.0 - 0.5)).xyz);\n",
+" dp_texture2D(Texture_First, TexCoord1 + dir * (0.0/3.0 - 0.5)).xyz +\n",
+" dp_texture2D(Texture_First, TexCoord1 + dir * (3.0/3.0 - 0.5)).xyz);\n",
" float lB = dot(rB, luma);\n",
"\n",
" ret.xyz = ((lB < lMin) || (lB > lMax)) ? rA : rB;\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",