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freedreno: Avoid screen lock when no rsc tracking needed

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In case there is no dirty state that requires resource tracking we
can skip taking the screen lock.  Indirect draw and index buffer are
a special case, but we can inexpensively check if they are already
referenced by the batch.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21202>
This commit is contained in:
Rob Clark 2023-02-07 09:17:00 -08:00 • committed by Marge Bot
parent b70ea03302
commit c0bc0ecf9e
1 changed files with 33 additions and 0 deletions
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33
src/gallium/drivers/freedreno/freedreno_draw.c
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@ -42,6 +42,13 @@
#include "freedreno_state.h"
#include "freedreno_util.h"
static bool
batch_references_resource(struct fd_batch *batch, struct pipe_resource *prsc)
assert_dt
{
return fd_batch_references_resource(batch, fd_resource(prsc));
}
static void
resource_read(struct fd_batch *batch, struct pipe_resource *prsc) assert_dt
{
@ -197,6 +204,29 @@ batch_draw_tracking_for_dirty_bits(struct fd_batch *batch) assert_dt
batch->resolve |= buffers;
}
static bool
needs_draw_tracking(struct fd_batch *batch, const struct pipe_draw_info *info,
const struct pipe_draw_indirect_info *indirect)
assert_dt
{
struct fd_context *ctx = batch->ctx;
if (ctx->dirty & FD_DIRTY_RESOURCE)
return true;
if (info->index_size && !batch_references_resource(batch, info->index.resource))
return true;
if (indirect) {
if (indirect->buffer && !batch_references_resource(batch, indirect->buffer))
return true;
if (indirect->count_from_stream_output)
return true;
}
return false;
}
static void
batch_draw_tracking(struct fd_batch *batch, const struct pipe_draw_info *info,
const struct pipe_draw_indirect_info *indirect) assert_dt
@ -208,6 +238,9 @@ batch_draw_tracking(struct fd_batch *batch, const struct pipe_draw_info *info,
*/
fd_batch_update_queries(batch);
if (!needs_draw_tracking(batch, info, indirect))
return;
/*
* Figure out the buffers/features we need:
*/