Hi,
here is a bugfix for DrawPixel:
When depth test is disabled but fog enabled, the z-span for "gl_fog_rgba_span"
is uninitialized.
[Bug found with Flightgears panel & GLX-MGA - I don't know if FlightGear
really wants a fogged panel but that's their bug ;-)]
Andree
Index: drawpix.c
===================================================================
RCS file: /cvs/mesa3d/Mesa/src/drawpix.c,v
retrieving revision 1.5
diff -u -w -r1.5 drawpix.c
--- drawpix.c 1999/11/08 07:36:44 1.5
+++ drawpix.c 1999/11/26 13:03:45
@@ -741,7 +741,7 @@
height = image->Height;
/* Fragment depth values */
- if (ctx->Depth.Test) {
+ if (ctx->Depth.Test || ctx->Fog.Enabled) {
/* fill in array of z values */
GLdepth z = (GLdepth) (ctx->Current.RasterPos[2] * DEPTH_SCALE);
for (i=0;i<width;i++) {
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