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ilo: add gen6_pipeline_update_max_svbi()

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Move max_svbi calculation to a helper function and make it available for other
GENs.
This commit is contained in:
Chia-I Wu 2013-05-01 16:58:10 +08:00
parent 252a21c2cc
commit 9069a3b065
2 changed files with 35 additions and 13 deletions
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43
src/gallium/drivers/ilo/ilo_3d_pipeline_gen6.c
View file

@ -511,12 +511,11 @@ gen6_pipeline_gs(struct ilo_3d_pipeline *p,
}
}
static void
gen6_pipeline_gs_svbi(struct ilo_3d_pipeline *p,
const struct ilo_context *ilo,
struct gen6_pipeline_session *session)
bool
gen6_pipeline_update_max_svbi(struct ilo_3d_pipeline *p,
const struct ilo_context *ilo,
struct gen6_pipeline_session *session)
{
/* 3DSTATE_GS_SVB_INDEX */
if (DIRTY(VS) || DIRTY(GS) || DIRTY(STREAM_OUTPUT_TARGETS)) {
const struct pipe_stream_output_info *so_info =
(ilo->gs) ? &ilo->gs->info.stream_output :
@ -524,8 +523,7 @@ gen6_pipeline_gs_svbi(struct ilo_3d_pipeline *p,
unsigned max_svbi = 0xffffffff;
int i;
/* get max_svbi */
for (i = 0; so_info && i < so_info->num_outputs; i++) {
for (i = 0; i < so_info->num_outputs; i++) {
const int output_buffer = so_info->output[i].output_buffer;
const struct pipe_stream_output_target *so =
ilo->stream_output_targets.targets[output_buffer];
@ -533,8 +531,10 @@ gen6_pipeline_gs_svbi(struct ilo_3d_pipeline *p,
const int elem_size = so_info->output[i].num_components * 4;
int buf_size, count;
if (!so)
continue;
if (!so) {
max_svbi = 0;
break;
}
buf_size = so->buffer_size - so_info->output[i].dst_offset * 4;
@ -546,14 +546,34 @@ gen6_pipeline_gs_svbi(struct ilo_3d_pipeline *p,
max_svbi = count;
}
if (p->state.so_max_vertices != max_svbi) {
p->state.so_max_vertices = max_svbi;
return true;
}
}
return false;
}
static void
gen6_pipeline_gs_svbi(struct ilo_3d_pipeline *p,
const struct ilo_context *ilo,
struct gen6_pipeline_session *session)
{
const bool emit = gen6_pipeline_update_max_svbi(p, ilo, session);
/* 3DSTATE_GS_SVB_INDEX */
if (emit) {
if (p->dev->gen == ILO_GEN(6))
gen6_wa_pipe_control_post_sync(p, false);
p->gen6_3DSTATE_GS_SVB_INDEX(p->dev,
0, p->state.so_num_vertices, max_svbi,
0, p->state.so_num_vertices, p->state.so_max_vertices,
false, p->cp);
if (session->hw_ctx_changed) {
int i;
/*
* From the Sandy Bridge PRM, volume 2 part 1, page 148:
*
@ -568,9 +588,6 @@ gen6_pipeline_gs_svbi(struct ilo_3d_pipeline *p,
i, 0, 0xffffffff, false, p->cp);
}
}
/* remember the state for calculating primtive emitted in software */
p->state.so_max_vertices = max_svbi;
}
}

5
src/gallium/drivers/ilo/ilo_3d_pipeline_gen6.h
View file

@ -144,6 +144,11 @@ gen6_pipeline_states(struct ilo_3d_pipeline *p,
const struct ilo_context *ilo,
struct gen6_pipeline_session *session);
bool
gen6_pipeline_update_max_svbi(struct ilo_3d_pipeline *p,
const struct ilo_context *ilo,
struct gen6_pipeline_session *session);
void
ilo_3d_pipeline_emit_flush_gen6(struct ilo_3d_pipeline *p);