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Graphics/ModelInstance: Add UpdateWorldMatrix method

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This commit is contained in:
Jérôme Leclercq
2021-06-05 19:05:06 +02:00
parent bd1f5214b8
commit 743f8eeb24
4 changed files with 57 additions and 25 deletions
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23
src/Nazara/Graphics/ModelInstance.cpp
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@@ -7,11 +7,16 @@
#include <Nazara/Graphics/Graphics.hpp>
#include <Nazara/Graphics/MaterialSettings.hpp>
#include <Nazara/Graphics/PredefinedShaderStructs.hpp>
#include <Nazara/Renderer/CommandBufferBuilder.hpp>
#include <Nazara/Renderer/UploadPool.hpp>
#include <Nazara/Graphics/Debug.hpp>
namespace Nz
{
ModelInstance::ModelInstance(const std::shared_ptr<const MaterialSettings>& settings)
ModelInstance::ModelInstance(const std::shared_ptr<const MaterialSettings>& settings) :
m_invWorldMatrix(Nz::Matrix4f::Identity()),
m_worldMatrix(Nz::Matrix4f::Identity()),
m_dataInvalided(true)
{
Nz::PredefinedInstanceData instanceUboOffsets = Nz::PredefinedInstanceData::GetOffsets();
@@ -48,4 +53,20 @@ namespace Nz
if (!bindings.empty())
m_shaderBinding->Update(bindings.data(), bindings.size());
}
void ModelInstance::UpdateBuffers(UploadPool& uploadPool, CommandBufferBuilder& builder)
{
if (m_dataInvalided)
{
Nz::PredefinedInstanceData instanceUboOffsets = Nz::PredefinedInstanceData::GetOffsets();
auto& allocation = uploadPool.Allocate(m_instanceDataBuffer->GetSize());
Nz::AccessByOffset<Nz::Matrix4f&>(allocation.mappedPtr, instanceUboOffsets.worldMatrixOffset) = m_worldMatrix;
Nz::AccessByOffset<Nz::Matrix4f&>(allocation.mappedPtr, instanceUboOffsets.invWorldMatrixOffset) = m_invWorldMatrix;
builder.CopyBuffer(allocation, m_instanceDataBuffer.get());
m_dataInvalided = false;
}
}
}