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gallium/u_threaded: add a fast path for unbinding shader images

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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-05-12 21:38:12 +02:00
parent ae7f7e8162
commit d4c8f429d1
1 changed files with 10 additions and 4 deletions
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14
src/gallium/auxiliary/util/u_threaded_context.c
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@ -155,7 +155,7 @@ tc_add_sized_call(struct threaded_context *tc, enum tc_call_id id,
((struct type*)tc_add_sized_call(tc, execute, \
sizeof(struct type) + \
sizeof(((struct type*)NULL)->slot[0]) * \
num_slots))
(num_slots)))
static union tc_payload *
tc_add_small_call(struct threaded_context *tc, enum tc_call_id id)
@ -764,6 +764,7 @@ tc_set_sampler_views(struct pipe_context *_pipe,
struct tc_shader_images {
ubyte shader, start, count;
bool unbind;
struct pipe_image_view slot[0]; /* more will be allocated if needed */
};
@ -773,6 +774,11 @@ tc_call_set_shader_images(struct pipe_context *pipe, union tc_payload *payload)
struct tc_shader_images *p = (struct tc_shader_images *)payload;
unsigned count = p->count;
if (p->unbind) {
pipe->set_shader_images(pipe, p->shader, p->start, p->count, NULL);
return;
}
pipe->set_shader_images(pipe, p->shader, p->start, p->count, p->slot);
for (unsigned i = 0; i < count; i++)
@ -790,11 +796,13 @@ tc_set_shader_images(struct pipe_context *_pipe,
struct threaded_context *tc = threaded_context(_pipe);
struct tc_shader_images *p =
tc_add_slot_based_call(tc, TC_CALL_set_shader_images, tc_shader_images, count);
tc_add_slot_based_call(tc, TC_CALL_set_shader_images, tc_shader_images,
images ? count : 0);
p->shader = shader;
p->start = start;
p->count = count;
p->unbind = images == NULL;
if (images) {
for (unsigned i = 0; i < count; i++) {
@ -811,8 +819,6 @@ tc_set_shader_images(struct pipe_context *_pipe,
}
}
memcpy(p->slot, images, count * sizeof(images[0]));
} else {
memset(p->slot, 0, count * sizeof(images[0]));
}
}