Mesa (master): r600g: enable streamout by default on r7xx and DRM 2.17.0
Marek Olšák
mareko at kemper.freedesktop.org
Sun Jun 17 16:29:10 UTC 2012
Module: Mesa
Branch: master
Commit: 6e7756db14c362ede6fdc97454267a32b8eab1d4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6e7756db14c362ede6fdc97454267a32b8eab1d4
Author: Marek Olšák <maraeo at gmail.com>
Date: Sun Jun 17 17:54:38 2012 +0200
r600g: enable streamout by default on r7xx and DRM 2.17.0
Now that it's in Linus's tree.
Has anyone had a chance to test streamout on Cayman recently?
---
src/gallium/drivers/r600/r600_pipe.c | 21 ++++++++++++++-------
src/gallium/drivers/r600/r600_pipe.h | 1 +
src/gallium/drivers/r600/r600_state.c | 2 +-
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 2 --
src/gallium/winsys/radeon/drm/radeon_winsys.h | 1 -
5 files changed, 16 insertions(+), 11 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index e0ee823..e9b1445 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -414,9 +414,9 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
/* Stream output. */
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
- return rscreen->info.r600_has_streamout ? 4 : 0;
+ return rscreen->has_streamout ? 4 : 0;
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
- return rscreen->info.r600_has_streamout ? 1 : 0;
+ return rscreen->has_streamout ? 1 : 0;
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
return 16*4;
@@ -898,11 +898,18 @@ struct pipe_screen *r600_screen_create(struct radeon_winsys *ws)
rscreen->chip_class = R600;
}
- /* XXX streamout is said to be broken on r700 and cayman */
- if ((rscreen->chip_class == R700 ||
- rscreen->chip_class == CAYMAN) &&
- !debug_get_bool_option("R600_STREAMOUT", FALSE)) {
- rscreen->info.r600_has_streamout = false;
+ /* Figure out streamout kernel support. */
+ switch (rscreen->chip_class) {
+ case R600:
+ case EVERGREEN:
+ rscreen->has_streamout = rscreen->info.drm_minor >= 13;
+ break;
+ case R700:
+ rscreen->has_streamout = rscreen->info.drm_minor >= 17;
+ break;
+ /* TODO: Cayman */
+ default:
+ rscreen->has_streamout = debug_get_bool_option("R600_STREAMOUT", FALSE);
}
if (r600_init_tiling(rscreen)) {
diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h
index f2865d2..b5eff34 100644
--- a/src/gallium/drivers/r600/r600_pipe.h
+++ b/src/gallium/drivers/r600/r600_pipe.h
@@ -128,6 +128,7 @@ struct r600_screen {
unsigned family;
enum chip_class chip_class;
struct radeon_info info;
+ bool has_streamout;
struct r600_tiling_info tiling_info;
struct r600_pipe_fences fences;
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 124eba2..fc75781 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -2215,7 +2215,7 @@ void r600_init_atom_start_cs(struct r600_context *rctx)
r600_store_context_reg(cb, R_0288A4_SQ_PGM_RESOURCES_FS, 0);
r600_store_context_reg(cb, R_0288DC_SQ_PGM_CF_OFFSET_FS, 0);
- if (rctx->chip_class == R700 && rctx->screen->info.r600_has_streamout)
+ if (rctx->chip_class == R700 && rctx->screen->has_streamout)
r600_store_context_reg(cb, R_028354_SX_SURFACE_SYNC, S_028354_SURFACE_SYNC_MASK(0xf));
r600_store_context_reg(cb, R_028800_DB_DEPTH_CONTROL, 0);
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index a831816..d1ef252 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -299,8 +299,6 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
&ws->info.r600_ib_vm_max_size))
ws->info.r600_virtual_address = FALSE;
}
-
- ws->info.r600_has_streamout = ws->info.drm_minor >= 13;
}
/* Get max pipes, this is only needed for compute shaders. All evergreen+
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index 4aa7cfc..6039910 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -98,7 +98,6 @@ struct radeon_info {
boolean r600_virtual_address;
uint32_t r600_va_start;
uint32_t r600_ib_vm_max_size;
- boolean r600_has_streamout;
uint32_t r600_max_pipes;
};
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