Module: Mesa
Branch: master
Commit: 3d08631fe5779cfadfeba3df89fbbddf3fde331b
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=3d08631fe5779cfadfeba3df89fbbddf3fde331b

Author: Samuel Pitoiset <[email protected]>
Date:   Mon Sep 10 18:14:41 2018 +0200

radv: adjust ESGS ring buffer size computation on VI+

Noticed while working in this area. Ported from RadeonSI.

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>

---

 src/amd/vulkan/radv_pipeline.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 1741d5e904..ae269c32c4 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -1575,7 +1575,11 @@ calculate_gs_ring_sizes(struct radv_pipeline *pipeline, 
const struct radv_gs_sta
        unsigned num_se = device->physical_device->rad_info.max_se;
        unsigned wave_size = 64;
        unsigned max_gs_waves = 32 * num_se; /* max 32 per SE on GCN */
-       unsigned gs_vertex_reuse = 16 * num_se; /* GS_VERTEX_REUSE register 
(per SE) */
+       /* On SI-CI, the value comes from VGT_GS_VERTEX_REUSE = 16.
+        * On VI+, the value comes from VGT_VERTEX_REUSE_BLOCK_CNTL = 30 (+2).
+        */
+       unsigned gs_vertex_reuse =
+               (device->physical_device->rad_info.chip_class >= VI ? 32 : 16) 
* num_se;
        unsigned alignment = 256 * num_se;
        /* The maximum size is 63.999 MB per SE. */
        unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se;

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