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vk/x11: Allow for the client querying the size of the format properties

This commit is contained in:
Jason Ekstrand 2015-07-01 14:17:52 -07:00
parent bba767a9af
commit 682eb9489d
1 changed files with 8 additions and 1 deletions
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9
src/vulkan/x11.c
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@ -48,10 +48,17 @@ VkResult anv_GetDisplayInfoWSI(
switch (infoType) {
case VK_DISPLAY_INFO_TYPE_FORMAT_PROPERTIES_WSI:
size = sizeof(properties[0]) * ARRAY_SIZE(formats);
if (pData && *pDataSize < size)
if (pData == NULL) {
*pDataSize = size;
return VK_SUCCESS;
}
if (*pDataSize < size)
return vk_error(VK_ERROR_INVALID_VALUE);
*pDataSize = size;
for (uint32_t i = 0; i < ARRAY_SIZE(formats); i++)
properties[i].swapChainFormat = formats[i];