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Avoid hard crash when capturing screenshot in emulating mailbox. (#13315)

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The emulating mailbox infrastructure is very hacky and needs a rethink
to be able to properly support screenshots. emulating mailbox is pretty
nasty to begin with and should be considered a hack.
This commit is contained in:
Hans-Kristian Arntzen 2021-12-03 16:19:49 +01:00 committed by GitHub
parent 4a39630c0f
commit ce8a3db4dc
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1 changed files with 6 additions and 0 deletions
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6
gfx/drivers/vulkan.c
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@ -2743,6 +2743,12 @@ static bool vulkan_read_viewport(void *data, uint8_t *buffer, bool is_idle)
slock_unlock(vk->context->queue_lock);
#endif
if (!staging->memory)
{
RARCH_ERR("[Vulkan]: Attempted to readback synchronously, but no image is present.\nThis can happen if vsync is disabled on Windows systems due to mailbox emulation.\n");
return false;
}
if (!staging->mapped)
{
VK_MAP_PERSISTENT_TEXTURE(vk->context->device, staging);