Can you print the value of nearby local vars, such as 'texObj',
'reallyEnabled' and 'i'?
I bet a patch along the lines of what I've attached might fix the problem.
-Brian
Sergio Monteiro Basto wrote:
Hi,
with Mesa CVS no luck
just a better debug
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208609088 (LWP 21869)]
0x00ae0b1b in run_texnorm_stage (ctx=0x8a404e0, stage=0x8bdcb58) at
savagerender.c:251
251 GLboolean normalizeS = (texObj->WrapS == GL_REPEAT);
(gdb) bt
#0 0x00ae0b1b in run_texnorm_stage (ctx=0x8a404e0, stage=0x8bdcb58) at
savagerender.c:251
#1 0x00b7dabd in _tnl_run_pipeline (ctx=0x8a404e0) at tnl/t_pipeline.c:162
#2 0x00adbe5a in savageRunPipeline (ctx=0x8a404e0) at savagetris.c:806
#3 0x00b8475d in _tnl_playback_vertex_list (ctx=0x8a404e0, data=0x8da0cac) at
tnl/t_save_playback.c:209
#4 0x00b00036 in execute_list (ctx=0x8a404e0, list=1) at main/dlist.c:5678
#5 0x00b03a9a in _mesa_CallList (list=1) at main/dlist.c:6746
#6 0x00b72d8b in neutral_CallList (i=1) at main/vtxfmt_tmp.h:304
#7 0x08052d41 in DisplayFunc () at billard3d.c:3015
#8 0x080821d7 in handle_display_event () at sys_stuff.c:90
#9 0x00121a91 in processWindowWorkList (window=0x8a3a648) at glut_event.c:1297
#10 0x00122a9b in glutMainLoop () at glut_event.c:1344
#11 0x0805819f in main (argc=1, argv=0xbfe83c24) at billard3d.c:5194
On Sun, 2005-11-13 at 21:48 +0000, Sergio Monteiro Basto wrote:
Hi,
Today, I test chromium, tuxracer and foobillard and none of then runs
try to dig with gdb and all stop on run_texnorm_stage()
here is the debug with backtrace:
Program received signal SIGFPE, Arithmetic exception.
[Switching to Thread -1208801600 (LWP 12723)]
0x00ec8a80 in _mesa_test_os_sse_exception_support () from
/usr/X11R6/lib/modules/dri/savage_dri.so
(gdb) cont
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x00ed575b in run_texnorm_stage () from /usr/X11R6/lib/modules/dri/savage_dri.so
Program received signal SIGFPE, Arithmetic exception.
[Switching to Thread -1208904000 (LWP 3049)]
0x00c29a80 in _mesa_test_os_sse_exception_support () from
/usr/X11R6/lib/modules/dri/savage_dri.so
(gdb) cont
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x00c3675b in run_texnorm_stage () from /usr/X11R6/lib/modules/dri/savage_dri.so
(gdb) bt
#0 0x00c3675b in run_texnorm_stage () from
/usr/X11R6/lib/modules/dri/savage_dri.so
#1 0x00be2a84 in _tnl_run_pipeline () from
/usr/X11R6/lib/modules/dri/savage_dri.so
#2 0x00c462e9 in savageRunPipeline () from
/usr/X11R6/lib/modules/dri/savage_dri.so
#3 0x00be7ce6 in _tnl_playback_vertex_list () from
/usr/X11R6/lib/modules/dri/savage_dri.so
#4 0x00b1f862 in execute_list () from /usr/X11R6/lib/modules/dri/savage_dri.so
#5 0x00b1fc5c in _mesa_CallList () from
/usr/X11R6/lib/modules/dri/savage_dri.so
#6 0x08052d41 in DisplayFunc () at billard3d.c:3015
#7 0x080821d7 in handle_display_event () at sys_stuff.c:90
#8 0x00121a91 in processWindowWorkList (window=0x9f82650) at glut_event.c:1297
#9 0x00122a9b in glutMainLoop () at glut_event.c:1344
#10 0x0805819f in main (argc=1, argv=0xbf93bec4) at billard3d.c:5194
Index: savagerender.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/savage/savagerender.c,v
retrieving revision 1.5.2.1
diff -u -r1.5.2.1 savagerender.c
--- savagerender.c 31 Oct 2005 21:53:17 -0000 1.5.2.1
+++ savagerender.c 19 Nov 2005 14:40:22 -0000
@@ -248,55 +248,57 @@
for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) {
GLuint reallyEnabled = ctx->Texture.Unit[i]._ReallyEnabled;
struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current;
- GLboolean normalizeS = (texObj->WrapS == GL_REPEAT);
- GLboolean normalizeT = (reallyEnabled & TEXTURE_2D_BIT) &&
- (texObj->WrapT == GL_REPEAT);
- GLfloat *in = (GLfloat *)VB->TexCoordPtr[i]->data;
- GLint instride = VB->TexCoordPtr[i]->stride;
- GLfloat (*out)[4] = store->texcoord[i].data;
- GLint j;
-
- if (!ctx->Texture.Unit[i]._ReallyEnabled ||
- VB->TexCoordPtr[i]->size == 4)
- /* Never try to normalize homogenous tex coords! */
- continue;
-
- if (normalizeS && normalizeT) {
- /* take first texcoords as rough estimate of mean value */
- GLfloat correctionS = -floor(in[0]+0.5);
- GLfloat correctionT = -floor(in[1]+0.5);
- for (j = 0; j < VB->Count; ++j) {
- out[j][0] = in[0] + correctionS;
- out[j][1] = in[1] + correctionT;
- in = (GLfloat *)((GLubyte *)in + instride);
- }
- } else if (normalizeS) {
- /* take first texcoords as rough estimate of mean value */
- GLfloat correctionS = -floor(in[0]+0.5);
- if (reallyEnabled & TEXTURE_2D_BIT) {
- for (j = 0; j < VB->Count; ++j) {
- out[j][0] = in[0] + correctionS;
- out[j][1] = in[1];
- in = (GLfloat *)((GLubyte *)in + instride);
- }
- } else {
- for (j = 0; j < VB->Count; ++j) {
- out[j][0] = in[0] + correctionS;
- in = (GLfloat *)((GLubyte *)in + instride);
- }
- }
- } else if (normalizeT) {
- /* take first texcoords as rough estimate of mean value */
- GLfloat correctionT = -floor(in[1]+0.5);
- for (j = 0; j < VB->Count; ++j) {
- out[j][0] = in[0];
- out[j][1] = in[1] + correctionT;
- in = (GLfloat *)((GLubyte *)in + instride);
- }
- }
+ if (reallyEnabled && texObj) {
+ GLboolean normalizeS = (texObj->WrapS == GL_REPEAT);
+ GLboolean normalizeT = (reallyEnabled & TEXTURE_2D_BIT) &&
+ (texObj->WrapT == GL_REPEAT);
+ GLfloat *in = (GLfloat *)VB->TexCoordPtr[i]->data;
+ GLint instride = VB->TexCoordPtr[i]->stride;
+ GLfloat (*out)[4] = store->texcoord[i].data;
+ GLint j;
+
+ if (!ctx->Texture.Unit[i]._ReallyEnabled ||
+ VB->TexCoordPtr[i]->size == 4)
+ /* Never try to normalize homogenous tex coords! */
+ continue;
+
+ if (normalizeS && normalizeT) {
+ /* take first texcoords as rough estimate of mean value */
+ GLfloat correctionS = -floor(in[0]+0.5);
+ GLfloat correctionT = -floor(in[1]+0.5);
+ for (j = 0; j < VB->Count; ++j) {
+ out[j][0] = in[0] + correctionS;
+ out[j][1] = in[1] + correctionT;
+ in = (GLfloat *)((GLubyte *)in + instride);
+ }
+ } else if (normalizeS) {
+ /* take first texcoords as rough estimate of mean value */
+ GLfloat correctionS = -floor(in[0]+0.5);
+ if (reallyEnabled & TEXTURE_2D_BIT) {
+ for (j = 0; j < VB->Count; ++j) {
+ out[j][0] = in[0] + correctionS;
+ out[j][1] = in[1];
+ in = (GLfloat *)((GLubyte *)in + instride);
+ }
+ } else {
+ for (j = 0; j < VB->Count; ++j) {
+ out[j][0] = in[0] + correctionS;
+ in = (GLfloat *)((GLubyte *)in + instride);
+ }
+ }
+ } else if (normalizeT) {
+ /* take first texcoords as rough estimate of mean value */
+ GLfloat correctionT = -floor(in[1]+0.5);
+ for (j = 0; j < VB->Count; ++j) {
+ out[j][0] = in[0];
+ out[j][1] = in[1] + correctionT;
+ in = (GLfloat *)((GLubyte *)in + instride);
+ }
+ }
- if (normalizeS || normalizeT)
- VB->AttribPtr[VERT_ATTRIB_TEX0+i] = VB->TexCoordPtr[i] =
&store->texcoord[i];
+ if (normalizeS || normalizeT)
+ VB->AttribPtr[VERT_ATTRIB_TEX0+i] = VB->TexCoordPtr[i] =
&store->texcoord[i];
+ }
}
return GL_TRUE;
