Module: Mesa
Branch: master
Commit: 3f8f52b241e3f8bf31344f52c2c8faa32b05e804
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=3f8f52b241e3f8bf31344f52c2c8faa32b05e804

Author: Lionel Landwerlin <lionel.g.landwer...@intel.com>
Date:   Fri Oct 18 14:50:02 2019 +0300

anv: fix vkUpdateDescriptorSets with inline uniform blocks

With inline uniform blocks descriptor, the meaning of descriptorCount
is a number of bytes to copy into the descriptor. Don't try to use
that size as an index into the descriptor table.

Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com>
Fixes: 43f40dc7cb ("anv: Implement VK_EXT_inline_uniform_block")
Gitlab: https://gitlab.freedesktop.org/mesa/mesa/issues/1195
Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>

---

 src/intel/vulkan/anv_descriptor_set.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/intel/vulkan/anv_descriptor_set.c 
b/src/intel/vulkan/anv_descriptor_set.c
index 23d6ddede5b..80a34695e08 100644
--- a/src/intel/vulkan/anv_descriptor_set.c
+++ b/src/intel/vulkan/anv_descriptor_set.c
@@ -1470,9 +1470,6 @@ void anv_UpdateDescriptorSets(
          &dst->descriptors[dst_layout->descriptor_index];
       dst_desc += copy->dstArrayElement;
 
-      for (uint32_t j = 0; j < copy->descriptorCount; j++)
-         dst_desc[j] = src_desc[j];
-
       if (src_layout->data & ANV_DESCRIPTOR_INLINE_UNIFORM) {
          assert(src_layout->data == ANV_DESCRIPTOR_INLINE_UNIFORM);
          memcpy(dst->desc_mem.map + dst_layout->descriptor_offset +
@@ -1481,6 +1478,9 @@ void anv_UpdateDescriptorSets(
                                     copy->srcArrayElement,
                 copy->descriptorCount);
       } else {
+         for (uint32_t j = 0; j < copy->descriptorCount; j++)
+            dst_desc[j] = src_desc[j];
+
          unsigned desc_size = anv_descriptor_size(src_layout);
          if (desc_size > 0) {
             assert(desc_size == anv_descriptor_size(dst_layout));

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