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panfrost: Do fine-grained flushing for occlusion query results

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This allows doing occlusion queries in one frame and getting the
results in the next frame without having to flush.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5676>
This commit is contained in:
Icecream95 2020-06-28 20:48:36 +12:00 • committed by Marge Bot
parent b1d309eaa3
commit 3e3958c44f
2 changed files with 9 additions and 3 deletions
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9
src/gallium/drivers/panfrost/pan_cmdstream.c
View file

@ -134,10 +134,15 @@ panfrost_vt_update_occlusion_query(struct panfrost_context *ctx,
struct mali_vertex_tiler_postfix *postfix)
{
SET_BIT(postfix->gl_enables, MALI_OCCLUSION_QUERY, ctx->occlusion_query);
if (ctx->occlusion_query)
if (ctx->occlusion_query) {
postfix->occlusion_counter = ctx->occlusion_query->bo->gpu;
else
panfrost_batch_add_bo(ctx->batch, ctx->occlusion_query->bo,
PAN_BO_ACCESS_SHARED |
PAN_BO_ACCESS_RW |
PAN_BO_ACCESS_FRAGMENT);
} else {
postfix->occlusion_counter = 0;
}
}
void

3
src/gallium/drivers/panfrost/pan_context.c
View file

@ -1327,7 +1327,8 @@ panfrost_get_query_result(struct pipe_context *pipe,
case PIPE_QUERY_OCCLUSION_PREDICATE:
case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
DBG("Flushing for occlusion query\n");
panfrost_flush_all_batches(ctx, true);
panfrost_flush_batches_accessing_bo(ctx, query->bo, PAN_BO_ACCESS_WRITE);
panfrost_bo_wait(query->bo, INT64_MAX, PAN_BO_ACCESS_WRITE);
/* Read back the query results */
unsigned *result = (unsigned *) query->bo->cpu;