fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-04 13:30:11 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

gallium: comments about fragment Z computation

Browse source
This commit is contained in:
Brian 2008-01-31 13:37:01 -07:00
parent 9536314a6c
commit acb81374c1
1 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/mesa/pipe/softpipe/sp_quad_fs.c
View file

@ -168,6 +168,11 @@ shade_quad(
sizeof( quad->outputs.color ) );
}
/*
* XXX the following code for updating quad->outputs.depth
* isn't really needed if we did early z testing.
*/
/* store result Z */
if (qss->depthOutSlot >= 0) {
/* output[slot] is new Z */
@ -181,6 +186,10 @@ shade_quad(
uint i;
for (i = 0; i < 4; i++) {
quad->outputs.depth[i] = machine->Inputs[0].xyzw[2].f[i];
/* XXX not sure the above line is always correct. The following
* might be better:
quad->outputs.depth[i] = machine->QuadPos.xyzw[2].f[i];
*/
}
}