From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Sat, 14 Nov 2015 06:50:52 +0000 (-0800)
Subject: anv/gen8: Subtract 1 from num_elements when setting up buffer surface state
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e8f51fe4deb5082fece5f8cb167b89b0f03eb244;p=mesa.git

anv/gen8: Subtract 1 from num_elements when setting up buffer surface state
---

diff --git a/src/vulkan/gen8_state.c b/src/vulkan/gen8_state.c
index 22fe21db1a8..6eb65e6ec4e 100644
--- a/src/vulkan/gen8_state.c
+++ b/src/vulkan/gen8_state.c
@@ -45,9 +45,9 @@ gen8_fill_buffer_surface_state(void *state, const struct anv_format *format,
       .SamplerL2BypassModeDisable = true,
       .RenderCacheReadWriteMode = WriteOnlyCache,
       .MemoryObjectControlState = GEN8_MOCS,
-      .Height = (num_elements >> 7) & 0x3fff,
-      .Width = num_elements & 0x7f,
-      .Depth = (num_elements >> 21) & 0x3f,
+      .Height = ((num_elements - 1) >> 7) & 0x3fff,
+      .Width = (num_elements - 1) & 0x7f,
+      .Depth = ((num_elements - 1) >> 21) & 0x3f,
       .SurfacePitch = stride - 1,
       .NumberofMultisamples = MULTISAMPLECOUNT_1,
       .ShaderChannelSelectRed = SCS_RED,