griefith/test2
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Orange: Ortho camera now gives correct z values for buffers too.

Browse Source
This commit is contained in:
Ton Roosendaal
2006-01-11 23:15:48 +00:00
parent 0665f0d647
commit d4f48f43ef
1 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
source/blender/render/intern/source/initrender.c
View File

@@ -812,7 +812,7 @@ static void addparttorect(Part *pa)
static void convert_zbuf_to_distbuf(void)
{
float *rectzf, zco;
int a, *rectz;
int a, *rectz, ortho= R.r.mode & R_ORTHO;
if(R.rectz==NULL) return;
if(R.rectzf) {
@@ -827,7 +827,7 @@ static void convert_zbuf_to_distbuf(void)
R.yend= R.ystart+R.recty-1;
RE_setwindowclip(0, -1);
rectzf= R.rectzf= MEM_mallocN(R.rectx*R.recty*sizeof(float), "rectzf");
rectz= R.rectz;
@@ -835,8 +835,15 @@ static void convert_zbuf_to_distbuf(void)
if(*rectz==0x7FFFFFFF)
*rectzf= 10e10;
else {
/* inverse of zbuf calc: zbuf = MAXZ*hoco_z/hoco_w */
/* or: (R.winmat[3][2] - zco*R.winmat[3][3])/(R.winmat[2][2] - R.winmat[2][3]*zco); */
/* if ortho [2][3] is zero, else [3][3] is zero */
zco= ((float)*rectz)/2147483647.0f;
*rectzf= R.winmat[3][2]/(R.winmat[2][2] - R.winmat[2][3]*zco);
if(ortho)
*rectzf= (R.winmat[3][2] - zco*R.winmat[3][3])/(R.winmat[2][2]);
else
*rectzf= (R.winmat[3][2])/(R.winmat[2][2] - R.winmat[2][3]*zco);
}
}