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anv/device: Add some asserts to MapMemory 

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Jason Ekstrand 2016-11-07 17:23:44 -08:00
parent 843775bab7
commit 73ef9c8f04
1 changed files with 10 additions and 0 deletions
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10
src/intel/vulkan/anv_device.c
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@ -1283,6 +1283,16 @@ VkResult anv_MapMemory(
if (size == VK_WHOLE_SIZE)
size = mem->bo.size - offset;
/* From the Vulkan spec version 1.0.32 docs for MapMemory:
*
* * If size is not equal to VK_WHOLE_SIZE, size must be greater than 0
* assert(size != 0);
* * If size is not equal to VK_WHOLE_SIZE, size must be less than or
* equal to the size of the memory minus offset
*/
assert(size > 0);
assert(offset + size <= mem->bo.size);
/* 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