Signed-off-by: Jason Ekstrand <[email protected]>
Cc: "12.0 13.0" <[email protected]>
---
src/intel/vulkan/anv_device.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 5393144..8055893 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -1258,6 +1258,11 @@ VkResult anv_MapMemory(
if (size == VK_WHOLE_SIZE)
size = mem->bo.size - offset;
+ if (size == 0) {
+ *ppData = NULL;
+ return VK_SUCCESS;
+ }
+
/* FIXME: Is this supposed to be thread safe? Since vkUnmapMemory() only
* takes a VkDeviceMemory pointer, it seems like only one map of the memory
* at a time is valid. We could just mmap up front and return an offset
--
2.5.0.400.gff86faf
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