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Fix byte alignment issue for index/vertex buffers (#3110)

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* Fix byte alignment issue for index/vertex buffers
* Remove default alignment value when getting dynamic buffer

Signed-off-by: abrmich <abrmich@amazon.com>
This commit is contained in:
michabr
2021-08-13 13:31:46 -07:00
committed by GitHub
parent 7d4022fbdf
commit cd5081a7c3
5 changed files with 9 additions and 9 deletions
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Gems/Atom/RPI/Code/Source/RPI.Public/DynamicDraw/DynamicDrawContext.cpp
+3 -3
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@@ -474,10 +474,10 @@ namespace AZ
// Get dynamic buffers for vertex and index buffer. Skip draw if failed to allocate buffers
uint32_t vertexDataSize = vertexCount * m_perVertexDataSize;
RHI::Ptr<DynamicBuffer> vertexBuffer;
vertexBuffer = DynamicDrawInterface::Get()->GetDynamicBuffer(vertexDataSize);
vertexBuffer = DynamicDrawInterface::Get()->GetDynamicBuffer(vertexDataSize, RHI::Alignment::InputAssembly);
uint32_t indexDataSize = indexCount * RHI::GetIndexFormatSize(indexFormat);
RHI::Ptr<DynamicBuffer> indexBuffer = DynamicDrawInterface::Get()->GetDynamicBuffer(indexDataSize);
RHI::Ptr<DynamicBuffer> indexBuffer = DynamicDrawInterface::Get()->GetDynamicBuffer(indexDataSize, RHI::Alignment::InputAssembly);
if (indexBuffer == nullptr || vertexBuffer == nullptr)
{
@@ -572,7 +572,7 @@ namespace AZ
// Get dynamic buffers for vertex and index buffer. Skip draw if failed to allocate buffers
uint32_t vertexDataSize = vertexCount * m_perVertexDataSize;
RHI::Ptr<DynamicBuffer> vertexBuffer;
vertexBuffer = DynamicDrawInterface::Get()->GetDynamicBuffer(vertexDataSize);
vertexBuffer = DynamicDrawInterface::Get()->GetDynamicBuffer(vertexDataSize, RHI::Alignment::InputAssembly);
if (vertexBuffer == nullptr)
{