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ilo: avoid unnecessary emission of SO states

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No need to emit 3DSTATE_SO_BUFFER and 3DSTATE_SO_DECL_LIST when SO is
disabled.  As the implicit flush done by the commands is also gone, emit an
explicit flush.
This commit is contained in:
Chia-I Wu 2013-05-22 15:33:15 +08:00
parent 08f87ac333
commit bbb30398e5
2 changed files with 15 additions and 9 deletions
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19
src/gallium/drivers/ilo/ilo_3d.c
View file

@ -376,13 +376,18 @@ draw_vbo(struct ilo_3d *hw3d, const struct ilo_context *ilo,
ilo_3d_own_render_ring(hw3d);
/*
* Without a better tracking mechanism, when the framebuffer changes, we
* have to assume that the old framebuffer may be sampled from. If that
* happens in the middle of a batch buffer, we need to insert manual
* flushes.
*/
need_flush = (!hw3d->new_batch && (ilo->dirty & ILO_DIRTY_FRAMEBUFFER));
if (!hw3d->new_batch) {
/*
* Without a better tracking mechanism, when the framebuffer changes, we
* have to assume that the old framebuffer may be sampled from. If that
* happens in the middle of a batch buffer, we need to insert manual
* flushes.
*/
need_flush = (ilo->dirty & ILO_DIRTY_FRAMEBUFFER);
/* same to SO target changes */
need_flush |= (ilo->dirty & ILO_DIRTY_STREAM_OUTPUT_TARGETS);
}
/* make sure there is enough room first */
max_len = ilo_3d_pipeline_estimate_size(hw3d->pipeline,

5
src/gallium/drivers/ilo/ilo_3d_pipeline_gen7.c
View file

@ -394,7 +394,8 @@ gen7_pipeline_sol(struct ilo_3d_pipeline *p,
gen6_pipeline_update_max_svbi(p, ilo, session);
/* 3DSTATE_SO_BUFFER */
if (DIRTY(STREAM_OUTPUT_TARGETS) || dirty_sh) {
if ((DIRTY(STREAM_OUTPUT_TARGETS) || dirty_sh) &&
ilo->stream_output_targets.num_targets) {
int i;
for (i = 0; i < ilo->stream_output_targets.num_targets; i++) {
@ -416,7 +417,7 @@ gen7_pipeline_sol(struct ilo_3d_pipeline *p,
}
/* 3DSTATE_SO_DECL_LIST */
if (dirty_sh)
if (dirty_sh && ilo->stream_output_targets.num_targets)
p->gen7_3DSTATE_SO_DECL_LIST(p->dev, so_info, sh, p->cp);
/* 3DSTATE_STREAMOUT */