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radeonsi: always restore sampler states when unbinding sampler views

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Cc: 12.0 13.0 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-12-02 02:18:25 +01:00
parent d205faeb6c
commit b3a2aa9cba
1 changed files with 8 additions and 3 deletions
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11
src/gallium/drivers/radeonsi/si_descriptors.c
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@ -413,13 +413,13 @@ static void si_set_sampler_view(struct si_context *sctx,
struct si_sampler_views *views = &sctx->samplers[shader].views;
struct si_sampler_view *rview = (struct si_sampler_view*)view;
struct si_descriptors *descs = si_sampler_descriptors(sctx, shader);
uint32_t *desc = descs->list + slot * 16;
if (views->views[slot] == view && !disallow_early_out)
return;
if (view) {
struct r600_texture *rtex = (struct r600_texture *)view->texture;
uint32_t *desc = descs->list + slot * 16;
assert(rtex); /* views with texture == NULL aren't supported */
pipe_sampler_view_reference(&views->views[slot], view);
@ -468,9 +468,14 @@ static void si_set_sampler_view(struct si_context *sctx,
rview->is_stencil_sampler, true);
} else {
pipe_sampler_view_reference(&views->views[slot], NULL);
memcpy(descs->list + slot*16, null_texture_descriptor, 8*4);
memcpy(desc, null_texture_descriptor, 8*4);
/* Only clear the lower dwords of FMASK. */
memcpy(descs->list + slot*16 + 8, null_texture_descriptor, 4*4);
memcpy(desc + 8, null_texture_descriptor, 4*4);
/* Re-set the sampler state if we are transitioning from FMASK. */
if (views->sampler_states[slot])
memcpy(desc + 12,
views->sampler_states[slot], 4*4);
views->enabled_mask &= ~(1u << slot);
}