Mesa (master): r600g/compute: align items correctly
Tom Stellard
tstellar at kemper.freedesktop.org
Tue Jun 10 19:31:04 UTC 2014
Module: Mesa
Branch: master
Commit: 2e01b8b440c1402c88a2755d89f40292e1f36ce5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2e01b8b440c1402c88a2755d89f40292e1f36ce5
Author: Bruno Jiménez <brunojimen at gmail.com>
Date: Mon May 19 18:14:56 2014 +0200
r600g/compute: align items correctly
Now, items whose size is a multiple of 1024 dw won't leave
1024 dw between itself and the following item
The rest of the cases is left as it was
Reviewed-by: Tom Stellard <thomas.stellard at amd.com>
---
src/gallium/drivers/r600/compute_memory_pool.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/r600/compute_memory_pool.c b/src/gallium/drivers/r600/compute_memory_pool.c
index 01851ad..2050f28 100644
--- a/src/gallium/drivers/r600/compute_memory_pool.c
+++ b/src/gallium/drivers/r600/compute_memory_pool.c
@@ -30,6 +30,7 @@
#include "util/u_transfer.h"
#include "util/u_surface.h"
#include "util/u_pack_color.h"
+#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_framebuffer.h"
@@ -41,6 +42,7 @@
#include "evergreen_compute_internal.h"
#include <inttypes.h>
+#define ITEM_ALIGNMENT 1024
/**
* Creates a new pool
*/
@@ -112,8 +114,7 @@ int64_t compute_memory_prealloc_chunk(
return last_end;
}
- last_end = item->start_in_dw + item->size_in_dw;
- last_end += (1024 - last_end % 1024);
+ last_end = item->start_in_dw + align(item->size_in_dw, ITEM_ALIGNMENT);
}
}
@@ -177,7 +178,7 @@ int compute_memory_grow_pool(struct compute_memory_pool* pool,
if (pool->shadow == NULL)
return -1;
} else {
- new_size_in_dw += 1024 - (new_size_in_dw % 1024);
+ new_size_in_dw = align(new_size_in_dw, ITEM_ALIGNMENT);
COMPUTE_DBG(pool->screen, " Aligned size = %d (%d bytes)\n",
new_size_in_dw, new_size_in_dw * 4);
@@ -323,7 +324,7 @@ int compute_memory_finalize_pending(struct compute_memory_pool* pool,
need = pool->size_in_dw / 10;
}
- need += 1024 - (need % 1024);
+ need = align(need, ITEM_ALIGNMENT);
err = compute_memory_grow_pool(pool,
pipe,
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