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

2015-11-13 22:50:52 -08:00
parent 91bc4e7cec
commit e8f51fe4de
1 changed files with 3 additions and 3 deletions
--- 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,