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asahi: Extract transition_resource helper

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We'll reuse this logic for images. Extract it out and generalize it.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23480>
This commit is contained in:
Alyssa Rosenzweig 2023-05-19 15:59:54 -04:00 • committed by Marge Bot
parent 389c0fdc7c
commit 531247cf31
1 changed files with 45 additions and 34 deletions
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79
src/gallium/drivers/asahi/agx_pipe.c
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@ -1075,6 +1075,50 @@ agx_clear(struct pipe_context *pctx, unsigned buffers,
assert((batch->draw & slowclear) == slowclear);
}
static void
transition_resource(struct pipe_context *pctx, struct agx_resource *rsrc,
struct pipe_resource *templ)
{
struct agx_resource *new_res =
agx_resource(pctx->screen->resource_create(pctx->screen, templ));
assert(new_res);
int level;
BITSET_FOREACH_SET(level, rsrc->data_valid, PIPE_MAX_TEXTURE_LEVELS) {
/* Blit each valid level */
struct pipe_blit_info blit = {0};
u_box_3d(0, 0, 0, rsrc->layout.width_px, rsrc->layout.height_px,
rsrc->layout.depth_px, &blit.dst.box);
blit.src.box = blit.dst.box;
blit.dst.resource = &new_res->base;
blit.dst.format = new_res->base.format;
blit.dst.level = level;
blit.src.resource = &rsrc->base;
blit.src.format = rsrc->base.format;
blit.src.level = level;
blit.mask = util_format_get_mask(blit.src.format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
agx_blit(pctx, &blit);
}
/* Flush the blits out, to make sure the old resource is no longer used */
agx_flush_writer(agx_context(pctx), new_res, "flush_resource");
/* Copy the bind flags and swap the BOs */
struct agx_bo *old = rsrc->bo;
rsrc->base.bind = new_res->base.bind;
rsrc->layout = new_res->layout;
rsrc->modifier = new_res->modifier;
rsrc->bo = new_res->bo;
new_res->bo = old;
/* Free the new resource, which now owns the old BO */
pipe_resource_reference((struct pipe_resource **)&new_res, NULL);
}
static void
agx_flush_resource(struct pipe_context *pctx, struct pipe_resource *pres)
{
@ -1094,40 +1138,7 @@ agx_flush_resource(struct pipe_context *pctx, struct pipe_resource *pres)
struct pipe_resource templ = *pres;
templ.bind |= PIPE_BIND_SHARED;
/* Create a new shareable resource */
struct agx_resource *new_res =
agx_resource(pctx->screen->resource_create(pctx->screen, &templ));
assert(new_res);
/* Blit it over */
struct pipe_blit_info blit = {0};
u_box_3d(0, 0, 0, rsrc->layout.width_px, rsrc->layout.height_px,
rsrc->layout.depth_px, &blit.dst.box);
blit.src.box = blit.dst.box;
blit.dst.resource = &new_res->base;
blit.dst.format = new_res->base.format;
blit.dst.level = 0;
blit.src.resource = pres;
blit.src.format = pres->format;
blit.src.level = 0;
blit.mask = util_format_get_mask(blit.src.format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
agx_blit(pctx, &blit);
/* Flush the blit out, to make sure the old resource is no longer used */
agx_flush_writer(agx_context(pctx), new_res, "flush_resource");
/* Copy the bind flags and swap the BOs */
rsrc->base.bind = new_res->base.bind;
rsrc->bo = new_res->bo;
new_res->bo = old;
/* Free the new resource, which now owns the old BO */
pipe_resource_reference((struct pipe_resource **)&new_res, NULL);
transition_resource(pctx, rsrc, &templ);
} else {
/* Otherwise just claim it's already shared */
pres->bind |= PIPE_BIND_SHARED;