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anv: Create fences from the batch BO pool 

Applications may create a *lot* of fences, perhaps as much as one per
vkQueueSubmit.  Really, they're supposed to use ResetFence, but it's easy
enough for us to make them crazy-cheap so we might as well.
This commit is contained in:
Jason Ekstrand 2016-03-06 14:16:51 -08:00
parent 21ee5fd326
commit 23de78768b
1 changed files with 2 additions and 8 deletions
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10
src/intel/vulkan/anv_device.c
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@ -1387,8 +1387,6 @@ VkResult anv_CreateFence(
struct anv_batch batch;
VkResult result;
const uint32_t fence_size = 128;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FENCE_CREATE_INFO);
fence = anv_alloc2(&device->alloc, pAllocator, sizeof(*fence), 8,
@ -1396,12 +1394,10 @@ VkResult anv_CreateFence(
if (fence == NULL)
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
result = anv_bo_init_new(&fence->bo, device, fence_size);
result = anv_bo_pool_alloc(&device->batch_bo_pool, &fence->bo);
if (result != VK_SUCCESS)
goto fail;
fence->bo.map =
anv_gem_mmap(device, fence->bo.gem_handle, 0, fence->bo.size, 0);
batch.next = batch.start = fence->bo.map;
batch.end = fence->bo.map + fence->bo.size;
anv_batch_emit(&batch, GEN7_MI_BATCH_BUFFER_END);
@ -1457,9 +1453,7 @@ void anv_DestroyFence(
ANV_FROM_HANDLE(anv_device, device, _device);
ANV_FROM_HANDLE(anv_fence, fence, _fence);
anv_gem_munmap(fence->bo.map, fence->bo.size);
anv_gem_close(device, fence->bo.gem_handle);
anv_free2(&device->alloc, pAllocator, fence);
anv_bo_pool_free(&device->batch_bo_pool, &fence->bo);
}
VkResult anv_ResetFences(