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vk: Implement allocation count query

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This commit is contained in:
Kristian Høgsberg
2015-05-17 19:25:28 -07:00
parent 783e6217fc
commit b7fac7a7d1
1 changed files with 20 additions and 1 deletions
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21
src/vulkan/device.c
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@@ -999,6 +999,18 @@ fill_memory_requirements(
}
}
static uint32_t
get_allocation_count(VkObjectType objType)
{
switch (objType) {
case VK_OBJECT_TYPE_BUFFER:
case VK_OBJECT_TYPE_IMAGE:
return 1;
default:
return 0;
}
}
VkResult anv_GetObjectInfo(
VkDevice _device,
VkObjectType objType,
@@ -1008,6 +1020,7 @@ VkResult anv_GetObjectInfo(
void* pData)
{
VkMemoryRequirements memory_requirements;
uint32_t count;
switch (infoType) {
case VK_OBJECT_INFO_TYPE_MEMORY_REQUIREMENTS:
@@ -1018,10 +1031,16 @@ VkResult anv_GetObjectInfo(
fill_memory_requirements(objType, object, &memory_requirements);
memcpy(pData, &memory_requirements,
MIN2(*pDataSize, sizeof(memory_requirements)));
*pDataSize = sizeof(memory_requirements);
return VK_SUCCESS;
case VK_OBJECT_INFO_TYPE_MEMORY_ALLOCATION_COUNT:
*pDataSize = sizeof(count);
if (pData == NULL)
return VK_SUCCESS;
count = get_allocation_count(objType);
return VK_SUCCESS;
default:
return VK_UNSUPPORTED;
}