fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-18 15:30:25 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

radeonsi: add support for sampler views where resource = NULL

Browse source 
The hardware obeys swizzles even if the resource is NULL.
This will be used by set_polygon_stipple.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2015-02-01 14:38:48 +01:00
parent 70e4243f07
commit 9af943c32e
2 changed files with 22 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/gallium/drivers/radeonsi/si_descriptors.c
View file

@ -374,6 +374,9 @@ static void si_sampler_views_begin_new_cs(struct si_context *sctx,
struct si_sampler_view *rview =
(struct si_sampler_view*)views->views[i];
if (!rview->resource)
continue;
r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx,
rview->resource, RADEON_USAGE_READ,
si_get_resource_ro_priority(rview->resource));
@ -398,9 +401,11 @@ static void si_set_sampler_view(struct si_context *sctx, unsigned shader,
struct si_sampler_view *rview =
(struct si_sampler_view*)view;
r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx,
rview->resource, RADEON_USAGE_READ,
si_get_resource_ro_priority(rview->resource));
if (rview->resource)
r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx,
rview->resource, RADEON_USAGE_READ,
si_get_resource_ro_priority(rview->resource));
pipe_sampler_view_reference(&views->views[slot], view);
views->desc_data[slot] = view_desc;
@ -441,7 +446,7 @@ static void si_set_sampler_views(struct pipe_context *ctx,
si_set_sampler_view(sctx, shader, slot, views[i], rviews[i]->state);
if (views[i]->texture->target != PIPE_BUFFER) {
if (views[i]->texture && views[i]->texture->target != PIPE_BUFFER) {
struct r600_texture *rtex =
(struct r600_texture*)views[i]->texture;

15
src/gallium/drivers/radeonsi/si_state.c
View file

@ -2246,9 +2246,20 @@ static struct pipe_sampler_view *si_create_sampler_view(struct pipe_context *ctx
/* initialize base object */
view->base = *state;
view->base.texture = NULL;
pipe_resource_reference(&view->base.texture, texture);
view->base.reference.count = 1;
view->base.context = ctx;
/* NULL resource, obey swizzle (only ZERO and ONE make sense). */
if (!texture) {
view->state[3] = S_008F1C_DST_SEL_X(si_map_swizzle(state->swizzle_r)) |
S_008F1C_DST_SEL_Y(si_map_swizzle(state->swizzle_g)) |
S_008F1C_DST_SEL_Z(si_map_swizzle(state->swizzle_b)) |
S_008F1C_DST_SEL_W(si_map_swizzle(state->swizzle_a)) |
S_008F1C_TYPE(V_008F1C_SQ_RSRC_IMG_1D);
return &view->base;
}
pipe_resource_reference(&view->base.texture, texture);
view->resource = &tmp->resource;
/* Buffer resource. */
@ -2484,7 +2495,7 @@ static void si_sampler_view_destroy(struct pipe_context *ctx,
{
struct si_sampler_view *view = (struct si_sampler_view *)state;
if (view->resource->b.b.target == PIPE_BUFFER)
if (view->resource && view->resource->b.b.target == PIPE_BUFFER)
LIST_DELINIT(&view->list);
pipe_resource_reference(&state->texture, NULL);