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util/tc: split out drawid-using draws into a separate call 

we can pre-filter these to reduce merge overhead

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10166>
This commit is contained in:
Mike Blumenkrantz 2021-04-11 13:48:20 -04:00 committed by Marge Bot
parent 1d8f8cfec9
commit 86c8db6009
2 changed files with 43 additions and 11 deletions
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53
src/gallium/auxiliary/util/u_threaded_context.c
View File

@ -64,12 +64,17 @@ enum tc_call_id {
/* This is actually variable-sized, because indirect isn't allocated if it's
* not needed. */
struct tc_draw_single {
struct tc_draw_single_drawid {
struct pipe_draw_info info;
unsigned index_bias;
unsigned drawid_offset;
};
struct tc_draw_single {
struct pipe_draw_info info;
unsigned index_bias;
};
typedef void (*tc_execute)(struct pipe_context *pipe, union tc_payload *payload);
static const tc_execute execute_func[TC_NUM_CALLS];
@ -157,8 +162,7 @@ is_next_call_a_mergeable_draw(struct tc_draw_single *first_info,
sizeof(struct pipe_draw_info) - 4);
/* All fields must be the same except start and count. */
/* u_threaded_context stores start/count in min/max_index for single draws. */
return (*next_info)->drawid_offset == 0 &&
memcmp((uint32_t*)&first_info->info,
return memcmp((uint32_t*)&first_info->info,
(uint32_t*)&(*next_info)->info,
DRAW_INFO_SIZE_WITHOUT_MIN_MAX_INDEX) == 0;
}
@ -190,7 +194,6 @@ tc_batch_execute(void *job, UNUSED int thread_index)
/* If at least 2 consecutive draw calls can be merged... */
if (next != last && next->call_id == TC_CALL_draw_single &&
first_info->drawid_offset == 0 &&
is_next_call_a_mergeable_draw(first_info, next, &next_info)) {
/* Merge up to 256 draw calls. */
struct pipe_draw_start_count_bias multi[256];
@ -2389,6 +2392,30 @@ out_of_memory:
tc_clear_driver_thread(tc);
}
static void
tc_call_draw_single_drawid(struct pipe_context *pipe, union tc_payload *payload)
{
struct tc_draw_single_drawid *info = (struct tc_draw_single_drawid*)payload;
/* u_threaded_context stores start/count in min/max_index for single draws. */
/* Drivers using u_threaded_context shouldn't use min/max_index. */
struct pipe_draw_start_count_bias draw;
STATIC_ASSERT(offsetof(struct pipe_draw_start_count_bias, start) == 0);
STATIC_ASSERT(offsetof(struct pipe_draw_start_count_bias, count) == 4);
draw.start = info->info.min_index;
draw.count = info->info.max_index;
draw.index_bias = info->index_bias;
info->info.index_bounds_valid = false;
info->info.has_user_indices = false;
info->info.take_index_buffer_ownership = false;
pipe->draw_vbo(pipe, &info->info, info->drawid_offset, NULL, &draw, 1);
if (info->info.index_size)
pipe_resource_reference(&info->info.index.resource, NULL);
}
static void
tc_call_draw_single(struct pipe_context *pipe, union tc_payload *payload)
{
@ -2406,7 +2433,7 @@ tc_call_draw_single(struct pipe_context *pipe, union tc_payload *payload)
info->info.has_user_indices = false;
info->info.take_index_buffer_ownership = false;
pipe->draw_vbo(pipe, &info->info, info->drawid_offset, NULL, &draw, 1);
pipe->draw_vbo(pipe, &info->info, 0, NULL, &draw, 1);
if (info->info.index_size)
pipe_resource_reference(&info->info.index.resource, NULL);
}
@ -2514,24 +2541,28 @@ tc_draw_vbo(struct pipe_context *_pipe, const struct pipe_draw_info *info,
if (unlikely(!buffer))
return;
struct tc_draw_single *p =
tc_add_struct_typed_call(tc, TC_CALL_draw_single, tc_draw_single);
struct tc_draw_single_drawid *p = drawid_offset > 0 ?
tc_add_struct_typed_call(tc, TC_CALL_draw_single_drawid, tc_draw_single_drawid) :
(struct tc_draw_single_drawid *)tc_add_struct_typed_call(tc, TC_CALL_draw_single, tc_draw_single);
memcpy(&p->info, info, DRAW_INFO_SIZE_WITHOUT_INDEXBUF_AND_MIN_MAX_INDEX);
p->info.index.resource = buffer;
p->drawid_offset = drawid_offset;
if (drawid_offset > 0)
p->drawid_offset = drawid_offset;
/* u_threaded_context stores start/count in min/max_index for single draws. */
p->info.min_index = offset >> util_logbase2(index_size);
p->info.max_index = draws[0].count;
p->index_bias = draws[0].index_bias;
} else {
/* Non-indexed call or indexed with a real index buffer. */
struct tc_draw_single *p =
tc_add_struct_typed_call(tc, TC_CALL_draw_single, tc_draw_single);
struct tc_draw_single_drawid *p = drawid_offset > 0 ?
tc_add_struct_typed_call(tc, TC_CALL_draw_single_drawid, tc_draw_single_drawid) :
(struct tc_draw_single_drawid *)tc_add_struct_typed_call(tc, TC_CALL_draw_single, tc_draw_single);
if (index_size && !info->take_index_buffer_ownership) {
tc_set_resource_reference(&p->info.index.resource,
info->index.resource);
}
p->drawid_offset = drawid_offset;
if (drawid_offset > 0)
p->drawid_offset = drawid_offset;
memcpy(&p->info, info, DRAW_INFO_SIZE_WITHOUT_MIN_MAX_INDEX);
/* u_threaded_context stores start/count in min/max_index for single draws. */
p->info.min_index = draws[0].start;

1
src/gallium/auxiliary/util/u_threaded_context_calls.h
View File

@ -28,6 +28,7 @@ CALL(buffer_subdata)
CALL(texture_subdata)
CALL(emit_string_marker)
CALL(draw_single)
CALL(draw_single_drawid)
CALL(draw_multi)
CALL(draw_indirect)
CALL(launch_grid)