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Memory manager: buffer uploads (Vulkan) - Part 2

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Manages a single persistently mapped GPU heap which is sub-allocated
inside of ring-buffer for uploads. To handle larger buffers without additional
unused heaps, ring buffers are created on-demand.

BUG=dawn:28
TEST=dawn_unittests

Change-Id: Ic2a5df3142fc24fa772b9a85b38248eea8c7e003
Reviewed-on: https://dawn-review.googlesource.com/c/4260
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
This commit is contained in:
Bryan Bernhart
2019-02-06 18:10:12 +00:00
committed by Commit Bot service account
parent 7771f58c7f
commit 96e1911b0b
11 changed files with 160 additions and 138 deletions
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2
src/tests/end2end/BufferTests.cpp
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@@ -222,7 +222,7 @@ TEST_P(BufferSetSubDataTests, SmallDataAtOffset) {
TEST_P(BufferSetSubDataTests, ManySetSubData) {
// TODO(cwallez@chromium.org): Use ringbuffers for SetSubData on explicit APIs.
// otherwise this creates too many resources and can take freeze the driver(?)
DAWN_SKIP_TEST_IF(IsMetal() || IsVulkan());
DAWN_SKIP_TEST_IF(IsMetal());
// Note: Increasing the size of the buffer will likely cause timeout issues.
// In D3D12, timeout detection occurs when the GPU scheduler tries but cannot preempt the task