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

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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 d4c8f429d1
commit d88ca12350
1 changed files with 9 additions and 3 deletions
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12
src/gallium/auxiliary/util/u_threaded_context.c
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@ -824,6 +824,7 @@ tc_set_shader_images(struct pipe_context *_pipe,
struct tc_shader_buffers {
ubyte shader, start, count;
bool unbind;
struct pipe_shader_buffer slot[0]; /* more will be allocated if needed */
};
@ -833,6 +834,11 @@ tc_call_set_shader_buffers(struct pipe_context *pipe, union tc_payload *payload)
struct tc_shader_buffers *p = (struct tc_shader_buffers *)payload;
unsigned count = p->count;
if (p->unbind) {
pipe->set_shader_buffers(pipe, p->shader, p->start, p->count, NULL);
return;
}
pipe->set_shader_buffers(pipe, p->shader, p->start, p->count, p->slot);
for (unsigned i = 0; i < count; i++)
@ -849,11 +855,13 @@ tc_set_shader_buffers(struct pipe_context *_pipe, unsigned shader,
struct threaded_context *tc = threaded_context(_pipe);
struct tc_shader_buffers *p =
tc_add_slot_based_call(tc, TC_CALL_set_shader_buffers, tc_shader_buffers, count);
tc_add_slot_based_call(tc, TC_CALL_set_shader_buffers, tc_shader_buffers,
buffers ? count : 0);
p->shader = shader;
p->start = start;
p->count = count;
p->unbind = buffers == NULL;
if (buffers) {
for (unsigned i = 0; i < count; i++) {
@ -871,8 +879,6 @@ tc_set_shader_buffers(struct pipe_context *_pipe, unsigned shader,
src->buffer_offset + src->buffer_size);
}
}
} else {
memset(p->slot, 0, count * sizeof(buffers[0]));
}
}