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authorEric Anholt <eric@anholt.net>2008-11-28 12:43:10 -0800
committerEric Anholt <eric@anholt.net>2008-11-28 17:09:46 -0800
commite476acb1051ae1a7e5e2be35a89488a8e5b07ff4 (patch)
tree90d554081353f621b25611098a421bffb82b1c51
parent8e5639577c03ccd75bb421e494638fbb5a3e7dcd (diff)
i965: Add a new state flag BRW_NEW_NR_SURFACES instead of CACHE_NEW_SURFACE
The CACHE_NEW_SURFACE bit always gets spammed since we get many different surface BOs per state emit, but the only consumer of it wanted to just know how many surfaces were enabled.
-rw-r--r--src/mesa/drivers/dri/i965/brw_context.h1
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_state.c8
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_surface_state.c5
3 files changed, 10 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 3199927671..252c070471 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -142,6 +142,7 @@ struct brw_context;
#define BRW_NEW_BATCH 0x10000
/** brw->depth_region updated */
#define BRW_NEW_DEPTH_BUFFER 0x20000
+#define BRW_NEW_NR_SURFACES 0x40000
struct brw_state_flags {
/** State update flags signalled by mesa internals */
diff --git a/src/mesa/drivers/dri/i965/brw_wm_state.c b/src/mesa/drivers/dri/i965/brw_wm_state.c
index a640da5b45..5302405eda 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_state.c
@@ -88,7 +88,7 @@ wm_unit_populate_key(struct brw_context *brw, struct brw_wm_unit_key *key)
/* BRW_NEW_CURBE_OFFSETS */
key->curbe_offset = brw->curbe.wm_start;
- /* CACHE_NEW_SURFACE */
+ /* BRW_NEW_NR_SURFACEs */
key->nr_surfaces = brw->wm.nr_surfaces;
/* CACHE_NEW_SAMPLER */
@@ -280,10 +280,10 @@ const struct brw_tracked_state brw_wm_unit = {
_NEW_COLOR),
.brw = (BRW_NEW_FRAGMENT_PROGRAM |
- BRW_NEW_CURBE_OFFSETS),
+ BRW_NEW_CURBE_OFFSETS |
+ BRW_NEW_NR_SURFACES),
- .cache = (CACHE_NEW_SURFACE |
- CACHE_NEW_WM_PROG |
+ .cache = (CACHE_NEW_WM_PROG |
CACHE_NEW_SAMPLER)
},
.prepare = upload_wm_unit,
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 3790b50c97..63e14cc390 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -438,6 +438,7 @@ static void prepare_wm_surfaces(struct brw_context *brw )
GLcontext *ctx = &brw->intel.ctx;
struct intel_context *intel = &brw->intel;
GLuint i;
+ int old_nr_surfaces;
if (brw->state.nr_draw_regions > 1) {
for (i = 0; i < brw->state.nr_draw_regions; i++) {
@@ -448,6 +449,7 @@ static void prepare_wm_surfaces(struct brw_context *brw )
brw_update_region_surface(brw, brw->state.draw_regions[0], 0, GL_TRUE);
}
+ old_nr_surfaces = brw->wm.nr_surfaces;
brw->wm.nr_surfaces = MAX_DRAW_BUFFERS;
for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
@@ -473,6 +475,9 @@ static void prepare_wm_surfaces(struct brw_context *brw )
dri_bo_unreference(brw->wm.bind_bo);
brw->wm.bind_bo = brw_wm_get_binding_table(brw);
+
+ if (brw->wm.nr_surfaces != old_nr_surfaces)
+ brw->state.dirty.brw |= BRW_NEW_NR_SURFACES;
}