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svga: Check rasterization state object before checking poly_stipple_enable

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Sometimes rasterization state object could be empty. This is causing
segfault on hw8,9,10 for some traces.

This patch fixes enemy_territory_quake_wars_high,
enemy_territory_quake_wars_low, etqw-demo, lightsmark2008, quake1
glretrace crashes on hw 8,9,10.

Tested with mtt-glretrace and mtt-piglit.

Reviewed-by: Charmaine Lee <charmainel@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Neha Bhende 2018-01-22 15:01:20 -08:00 • committed by Brian Paul
parent d4a5e14fae
commit e4ca1d6456
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/svga/svga_state_tss.c
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@ -256,7 +256,7 @@ svga_reemit_tss_bindings(struct svga_context *svga)
}
/* Polygon stipple */
if (svga->curr.rast->templ.poly_stipple_enable) {
if (svga->curr.rast && svga->curr.rast->templ.poly_stipple_enable) {
const unsigned unit = svga->state.hw_draw.fs->pstipple_sampler_unit;
struct svga_hw_view_state *view = &svga->state.hw_draw.views[unit];