Vulkan:Set one-time bit on all command buffers

All Vulkan command buffers are only submitted once so we can set the VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT which may help performance. Bug: angleproject:4304 Change-Id: Ibd116dcac4e78a2c058eb3da54489057d6fa8f44 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2107800Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com> Commit-Queue: Tobin Ehlis <tobine@google.com>

Vulkan:Set one-time bit on all command buffers
4119f033 · Tobin Ehlis · Commit Bot · 4df67871 · 4119f033 · 4119f033
Commit 4119f033 authored Mar 17, 2020 by Tobin Ehlis Committed by Commit Bot Mar 18, 2020
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Showing with 4 additions and 4 deletions

ContextVk.cpp src/libANGLE/renderer/vulkan/ContextVk.cpp +3 -3

RendererVk.cpp src/libANGLE/renderer/vulkan/RendererVk.cpp +1 -1

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--- a/src/libANGLE/renderer/vulkan/ContextVk.cpp
+++ b/src/libANGLE/renderer/vulkan/ContextVk.cpp
@@ -845,7 +845,7 @@ angle::Result ContextVk::startPrimaryCommandBuffer()
    VkCommandBufferBeginInfo beginInfo = {};
    beginInfo.sType                    = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-    beginInfo.flags                    = 0;
+    beginInfo.flags                    = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
    beginInfo.pInheritanceInfo         = nullptr;
    ANGLE_VK_TRY(this, mPrimaryCommands.begin(beginInfo));
@@ -1610,7 +1610,7 @@ angle::Result ContextVk::synchronizeCpuGpuTime()
        VkCommandBufferBeginInfo beginInfo = {};
        beginInfo.sType                    = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-        beginInfo.flags                    = 0;
+        beginInfo.flags                    = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
        beginInfo.pInheritanceInfo         = nullptr;
        ANGLE_VK_TRY(this, commandBuffer.begin(beginInfo));
@@ -3842,7 +3842,7 @@ angle::Result ContextVk::getTimestamp(uint64_t *timestampOut)
    VkCommandBufferBeginInfo beginInfo = {};
    beginInfo.sType                    = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-    beginInfo.flags                    = 0;
+    beginInfo.flags                    = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
    beginInfo.pInheritanceInfo         = nullptr;
    ANGLE_VK_TRY(this, commandBuffer.begin(beginInfo));

--- a/src/libANGLE/renderer/vulkan/RendererVk.cpp
+++ b/src/libANGLE/renderer/vulkan/RendererVk.cpp
@@ -2123,7 +2123,7 @@ angle::Result RendererVk::getCommandBufferOneOff(vk::Context *context,
    VkCommandBufferBeginInfo beginInfo = {};
    beginInfo.sType                    = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-    beginInfo.flags                    = 0;
+    beginInfo.flags                    = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
    beginInfo.pInheritanceInfo         = nullptr;
    ANGLE_VK_TRY(context, commandBufferOut->begin(beginInfo));