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[vulkan] Use host-cached memory for captures

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This takes simply reading the transfer buffer from about 400ms down to
about 3ms (for 1920x1080 rgba). PNG compression is now the bottleneck.
This commit is contained in:
Bill Currie 2022-03-31 21:24:29 +09:00
parent 790f62a209
commit 86e95fc1d0
1 changed files with 1 additions and 1 deletions
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2
libs/video/renderer/vulkan/capture.c
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@ -104,7 +104,7 @@ QFV_CreateCapture (qfv_device_t *device, int numframes,
capture->memsize = numframes * image_size;
capture->memory = QFV_AllocImageMemory (device,
capture->image_set->a[0].image,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
VK_MEMORY_PROPERTY_HOST_CACHED_BIT,
capture->memsize, 0);
byte *data;
dfunc->vkMapMemory (device->dev, capture->memory, 0, capture->memsize, 0,