From 2290ea7fe694dd74a88f4480326e9470fb9e945e Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Wed, 2 Jan 2008 01:29:51 +1000 Subject: rx00: fix off by one error in tempreg check --- src/mesa/drivers/dri/r200/r200_vertprog.c | 10 ++++++---- src/mesa/drivers/dri/r300/r300_vertprog.c | 5 +++-- 2 files changed, 9 insertions(+), 6 deletions(-) (limited to 'src/mesa/drivers') diff --git a/src/mesa/drivers/dri/r200/r200_vertprog.c b/src/mesa/drivers/dri/r200/r200_vertprog.c index 604b9c6caec..7fba6c750d7 100644 --- a/src/mesa/drivers/dri/r200/r200_vertprog.c +++ b/src/mesa/drivers/dri/r200/r200_vertprog.c @@ -408,6 +408,7 @@ static GLboolean r200_translate_vertex_program(GLcontext *ctx, struct r200_verte 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; } diff --git a/src/mesa/drivers/dri/r300/r300_vertprog.c b/src/mesa/drivers/dri/r300/r300_vertprog.c index 4dd3fd6a673..e6f216e4031 100644 --- a/src/mesa/drivers/dri/r300/r300_vertprog.c +++ b/src/mesa/drivers/dri/r300/r300_vertprog.c @@ -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; \ -- cgit v1.2.3