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Change Vulkan RHI CommandList::SetStreamBuffers to not do 2 memory allocation per draw by using fixed_vector

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Signed-off-by: rgba16f <82187279+rgba16f@users.noreply.github.com>
This commit is contained in:
rgba16f
2021-12-10 19:08:18 -06:00
parent 40e1116e26
commit 2d13b648da
1 changed files with 3 additions and 2 deletions
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Gems/Atom/RHI/Vulkan/Code/Source/RHI/CommandList.cpp
+3 -2
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@@ -6,6 +6,7 @@
*
*/
#include <AzCore/std/containers/vector.h>
#include <AzCore/std/containers/fixed_vector.h>
#include <AzCore/std/parallel/lock.h>
#include <RHI/Buffer.h>
#include <RHI/BufferView.h>
@@ -688,8 +689,8 @@ namespace AZ
if (interval != InvalidInterval)
{
uint32_t numBuffers = interval.m_max - interval.m_min + 1;
AZStd::vector<VkBuffer> nativeBuffers(numBuffers, VK_NULL_HANDLE);
AZStd::vector<VkDeviceSize> offsets(numBuffers, 0);
AZStd::fixed_vector<VkBuffer, RHI::Limits::Pipeline::StreamCountMax> nativeBuffers(numBuffers, VK_NULL_HANDLE);
AZStd::fixed_vector<VkDeviceSize, RHI::Limits::Pipeline::StreamCountMax> offsets(numBuffers, 0);
for (uint32_t i = 0; i < numBuffers; ++i)
{
const RHI::StreamBufferView& bufferView = streams[i + interval.m_min];