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Red Hat Bugzilla – Attachment 290508 Details for
Bug 304551
Patch: fix libGL regression caused by mesa-7.0-use_master-r300.patch
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[patch]
PATCH fixing off by one error in tempreg check in rx00 vertprog code
mesa-7.0.2-rx00-vertprog-num-temps-off-by-one.patch (text/plain), 1.96 KB, created by
Hans de Goede
on 2007-12-28 22:09:06 UTC
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Description:
PATCH fixing off by one error in tempreg check in rx00 vertprog code
Filename:
MIME Type:
Creator:
Hans de Goede
Created:
2007-12-28 22:09:06 UTC
Size:
1.96 KB
patch
obsolete
>--- Mesa-7.0.2/src/mesa/drivers/dri/r200/r200_vertprog.c~ 2007-12-28 22:41:51.000000000 +0100 >+++ Mesa-7.0.2/src/mesa/drivers/dri/r200/r200_vertprog.c 2007-12-28 22:41:51.000000000 +0100 >@@ -408,6 +408,7 @@ static GLboolean r200_translate_vertex_p > int fog_temp_i = 0; > int free_inputs; > int array_count = 0; >+ int u_temp_used; > > vp->native = GL_FALSE; > vp->translated = GL_TRUE; >@@ -1051,14 +1052,15 @@ else { > dofogfix = 0; > } > >+ u_temp_used = (R200_VSF_MAX_TEMPS - 1) - u_temp_i; > if (mesa_vp->Base.NumNativeTemporaries < >- (mesa_vp->Base.NumTemporaries + (R200_VSF_MAX_TEMPS - 1 - u_temp_i))) { >+ (mesa_vp->Base.NumTemporaries + u_temp_used)) { > mesa_vp->Base.NumNativeTemporaries = >- mesa_vp->Base.NumTemporaries + (R200_VSF_MAX_TEMPS - 1 - u_temp_i); >+ mesa_vp->Base.NumTemporaries + u_temp_used; > } >- if (u_temp_i < mesa_vp->Base.NumTemporaries) { >+ if ((mesa_vp->Base.NumTemporaries + u_temp_used) > R200_VSF_MAX_TEMPS) { > if (R200_DEBUG & DEBUG_FALLBACKS) { >- fprintf(stderr, "Ran out of temps, num temps %d, us %d\n", mesa_vp->Base.NumTemporaries, u_temp_i); >+ fprintf(stderr, "Ran out of temps, num temps %d, us %d\n", mesa_vp->Base.NumTemporaries, u_temp_used); > } > return GL_FALSE; > } >--- Mesa-7.0.2/src/mesa/drivers/dri/r300/r300_vertprog.c~ 2007-12-28 22:42:19.000000000 +0100 >+++ Mesa-7.0.2/src/mesa/drivers/dri/r300/r300_vertprog.c 2007-12-28 22:42:19.000000000 +0100 >@@ -101,8 +101,9 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. > > #define FREE_TEMPS() \ > do { \ >- if(u_temp_i < vp->num_temporaries) { \ >- WARN_ONCE("Ran out of temps, num temps %d, us %d\n", vp->num_temporaries, u_temp_i); \ >+ int u_temp_used = (VSF_MAX_FRAGMENT_TEMPS - 1) - u_temp_i; \ >+ if((vp->num_temporaries + u_temp_used) > VSF_MAX_FRAGMENT_TEMPS) { \ >+ WARN_ONCE("Ran out of temps, num temps %d, us %d\n", vp->num_temporaries, u_temp_used); \ > vp->native = GL_FALSE; \ > } \ > u_temp_i=VSF_MAX_FRAGMENT_TEMPS-1; \
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bug 304551
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290506
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