fte/fteqw
2
0
Fork 1
Code Issues Pull requests Projects Releases Packages Wiki Activity

------------------------------------------------------------------------

Browse source 
r4246 | acceptthis | 2013-03-08 02:49:14 +0000 (Fri, 08 Mar 2013) | 1 line

Fix bloom.
------------------------------------------------------------------------


git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4242 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2013-03-12 23:18:37 +00:00
parent 60bc6a91db
commit 59217fec4d
2 changed files with 29 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
engine/gl/gl_bloom.c
View file

@ -94,7 +94,7 @@ static void R_SetupBloomTextures(int w, int h)
/*we should be doing this outside of this code*/
if (!TEXVALID(scrtex))
scrtex = GL_AllocNewTexture("", scrwidth, scrheight, 0);
scrtex = GL_AllocNewTexture("", scrwidth, scrheight, IF_NOMIPMAP|IF_NOPICMIP);
GL_MTBind(0, GL_TEXTURE_2D, scrtex);
qglTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, scrwidth, scrheight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
/*top level uses nearest sampling*/
@ -111,7 +111,7 @@ static void R_SetupBloomTextures(int w, int h)
if (!TEXVALID(pingtex[i][j]))
{
sprintf(name, "***bloom*%c*%i***", 'a'+i, j);
TEXASSIGN(pingtex[i][j], GL_AllocNewTexture(name, texwidth[j], texheight[j], 0));
TEXASSIGN(pingtex[i][j], GL_AllocNewTexture(name, texwidth[j], texheight[j], IF_NOMIPMAP|IF_NOPICMIP));
}
GL_MTBind(0, GL_TEXTURE_2D, pingtex[i][j]);
qglTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, texwidth[j], texheight[j], 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
@ -190,31 +190,38 @@ void R_BloomBlend (void)
/*grab the screen, because we failed to do it earlier*/
GL_MTBind(0, GL_TEXTURE_2D, scrtex);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_refdef.pxrect.x, r_refdef.pxrect.y - r_refdef.pxrect.height, r_refdef.pxrect.width, r_refdef.pxrect.height);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
/*filter the screen into a downscaled image*/
GLBE_RenderToTexture(scrtex, r_nulltex, pingtex[0][0], r_nulltex, false);
qglViewport (0, 0, texwidth[0], texheight[0]);
R2D_ScalePic(0, vid.height, vid.width, -(int)vid.height, bloomfilter);
/*and downscale that multiple times*/
for (i = 1; i < MAXLEVELS; i++)
{
GLBE_RenderToTexture(pingtex[0][i-1], r_nulltex, pingtex[0][i], r_nulltex, false);
qglViewport (0, 0, texwidth[i], texheight[i]);
R2D_ScalePic(0, vid.height, vid.width, -(int)vid.height, bloomrescale);
}
/*gaussian filter the mips to bloom more smoothly*/
for (i = 0; i < MAXLEVELS; i++)
{
/*must be 1.2th of a pixel*/
if (i == 0)
{
/*filter the screen into a downscaled image*/
GLBE_RenderToTexture(scrtex, r_nulltex, pingtex[0][0], r_nulltex, false);
qglViewport (0, 0, texwidth[0], texheight[0]);
R2D_ScalePic(0, vid.height, vid.width, -(int)vid.height, bloomfilter);
}
else
{
/*simple downscale that multiple times*/
GLBE_RenderToTexture(pingtex[0][i-1], r_nulltex, pingtex[0][i], r_nulltex, false);
qglViewport (0, 0, texwidth[i], texheight[i]);
R2D_ScalePic(0, vid.height, vid.width, -(int)vid.height, bloomrescale);
}
// }
// for (i = 0; i < MAXLEVELS; i++)
// {
/*gaussian filter the mips to bloom more smoothly
the blur is done with two passes. first samples horizontally then vertically.
the 1.2 pixels thing gives us a 5*5 filter by weighting the edge accordingly
*/
r_worldentity.glowmod[0] = 1.2 / texwidth[i];
r_worldentity.glowmod[1] = 0;
GLBE_RenderToTexture(pingtex[0][i], r_nulltex, pingtex[1][i], r_nulltex, false);
qglViewport (0, 0, texwidth[i], texheight[i]);
R2D_ScalePic(0, vid.height, vid.width, -(int)vid.height, bloomblur);
}
for (i = 0; i < MAXLEVELS; i++)
{
r_worldentity.glowmod[0] = 0;
r_worldentity.glowmod[1] = 1.2 / texheight[i];
GLBE_RenderToTexture(pingtex[1][i], r_nulltex, pingtex[0][i], r_nulltex, false);

6
engine/gl/gl_draw.c
View file

@ -598,9 +598,9 @@ void GL_Set2D (qboolean flipped)
Matrix4x4_Identity(r_refdef.m_view);
}
r_refdef.pxrect.x = 0;
r_refdef.pxrect.y = 0;
r_refdef.pxrect.width = vid.width;
r_refdef.pxrect.height = vid.height;
r_refdef.pxrect.width = vid.pixelwidth;
r_refdef.pxrect.height = vid.pixelheight;
r_refdef.pxrect.y = r_refdef.pxrect.height;
r_refdef.time = realtime;
/*flush that gl state*/
qglViewport (0, 0, vid.pixelwidth, vid.pixelheight);