From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sat, 10 Jan 2009 19:40:52 +0000 (+0000)
Subject: add a second parameter to the blur to mix the pentagram blur with the main image
X-Git-Tag: xonotic-v0.1.0preview~1950
X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=commitdiff_plain;h=2961039d9bd10e9aa838e243728e4b1acb03bb2c

add a second parameter to the blur to mix the pentagram blur with the main image


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8642 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/gl_rmain.c b/gl_rmain.c
index e41026c6..b48508a3 100644
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -496,13 +496,13 @@ static const char *builtinshaderstring =
 "\n"
 "#ifdef USEPOSTPROCESSING\n"
 "// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n"
-"// this code does a blur with the radius specified in the first component of r_glsl_postprocess_uservec1\n"
-"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.987688,  0.156434));\n"
-"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.156434,  0.891007));\n"
-"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.891007,  0.453990));\n"
-"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.707107, -0.707107));\n"
-"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.453990, -0.891007));\n"
-"	gl_FragColor /= 6;\n"
+"// 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"
+"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.987688,  0.156434)) * UserVec1.y;\n"
+"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.156434,  0.891007)) * UserVec1.y;\n"
+"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.891007,  0.453990)) * UserVec1.y;\n"
+"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.707107, -0.707107)) * UserVec1.y;\n"
+"	gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.453990, -0.891007)) * UserVec1.y;\n"
+"	gl_FragColor /= (1 + 5 * UserVec1.y);\n"
 "#endif\n"
 "\n"
 "#ifdef USEGAMMARAMPS\n"