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authorBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>2016-05-02 09:54:11 +0200
committerBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>2016-05-26 22:07:04 +0200
commitd27ff7d6838fef2419ffb05798967e785e196afb (patch)
tree1f35b9942f1d7522299ec3ea0c1e1e7596234406 /src/gallium/drivers/radeonsi/si_state.h
parent6e51fe75a4997328625753c9409b328f207d5e51 (diff)
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radeonsi: Add buffer for offchip storage between TCS and TES.
The buffer is quite large, but should only be allocated if the application uses tessellation. Most non-games don't. v2: - Use the correct register for SI. - Add define for block size. Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state.h')
-rw-r--r--src/gallium/drivers/radeonsi/si_state.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.h b/src/gallium/drivers/radeonsi/si_state.h
index f2a3b03..a3589d4 100644
--- a/src/gallium/drivers/radeonsi/si_state.h
+++ b/src/gallium/drivers/radeonsi/si_state.h
@@ -40,6 +40,8 @@
#define SI_NUM_IMAGES 16
#define SI_NUM_SHADER_BUFFERS 16
+#define SI_TESS_OFFCHIP_BLOCK_SIZE (8192 * 4)
+
struct si_screen;
struct si_shader;
@@ -155,6 +157,7 @@ struct si_shader_data {
/* Private read-write buffer slots. */
enum {
SI_HS_RING_TESS_FACTOR,
+ SI_HS_RING_TESS_OFFCHIP,
SI_ES_RING_ESGS,
SI_GS_RING_ESGS,