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iris: skip over whole function if dirty == 0

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kinda pointless in non-pathological cases, but does boost our score in
the drawarrays case by 50%...
This commit is contained in:
Kenneth Graunke 2018-09-01 00:58:29 -07:00
parent 888efcd192
commit 4c27cb031c
1 changed files with 35 additions and 24 deletions
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59
src/gallium/drivers/iris/iris_state.c
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@ -3251,12 +3251,15 @@ iris_restore_context_saved_bos(struct iris_context *ice,
}
static void
iris_upload_render_state(struct iris_context *ice,
struct iris_batch *batch,
const struct pipe_draw_info *draw)
iris_upload_dirty_render_state(struct iris_context *ice,
struct iris_batch *batch,
const struct pipe_draw_info *draw)
{
const uint64_t dirty = ice->state.dirty;
if (!dirty)
return;
struct iris_genx_state *genx = ice->state.genx;
struct brw_wm_prog_data *wm_prog_data = (void *)
ice->shaders.prog[MESA_SHADER_FRAGMENT]->prog_data;
@ -3645,27 +3648,6 @@ iris_upload_render_state(struct iris_context *ice,
}
}
if (draw->index_size > 0) {
struct iris_resource *res = NULL;
unsigned offset;
if (draw->has_user_indices) {
u_upload_data(ice->ctx.stream_uploader, 0,
draw->count * draw->index_size, 4, draw->index.user,
&offset, (struct pipe_resource **) &res);
} else {
res = (struct iris_resource *) draw->index.resource;
offset = 0;
}
iris_emit_cmd(batch, GENX(3DSTATE_INDEX_BUFFER), ib) {
ib.IndexFormat = draw->index_size >> 1;
ib.MOCS = MOCS_WB;
ib.BufferSize = res->bo->size;
ib.BufferStartingAddress = ro_bo(res->bo, offset);
}
}
if (dirty & IRIS_DIRTY_VERTEX_BUFFERS) {
struct iris_vertex_buffer_state *cso = &ice->state.genx->vertex_buffers;
const unsigned vb_dwords = GENX(VERTEX_BUFFER_STATE_length);
@ -3720,6 +3702,35 @@ iris_upload_render_state(struct iris_context *ice,
}
// XXX: Gen8 - PMA fix
}
static void
iris_upload_render_state(struct iris_context *ice,
struct iris_batch *batch,
const struct pipe_draw_info *draw)
{
iris_upload_dirty_render_state(ice, batch, draw);
if (draw->index_size > 0) {
struct iris_resource *res = NULL;
unsigned offset;
if (draw->has_user_indices) {
u_upload_data(ice->ctx.stream_uploader, 0,
draw->count * draw->index_size, 4, draw->index.user,
&offset, (struct pipe_resource **) &res);
} else {
res = (struct iris_resource *) draw->index.resource;
offset = 0;
}
iris_emit_cmd(batch, GENX(3DSTATE_INDEX_BUFFER), ib) {
ib.IndexFormat = draw->index_size >> 1;
ib.MOCS = MOCS_WB;
ib.BufferSize = res->bo->size;
ib.BufferStartingAddress = ro_bo(res->bo, offset);
}
}
#define _3DPRIM_END_OFFSET 0x2420
#define _3DPRIM_START_VERTEX 0x2430