61 lines
2.8 KiB
C++
61 lines
2.8 KiB
C++
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Graphics/ViewerInstance.hpp>
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#include <Nazara/Graphics/Graphics.hpp>
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#include <Nazara/Graphics/MaterialSettings.hpp>
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#include <Nazara/Graphics/PredefinedShaderStructs.hpp>
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#include <Nazara/Renderer/CommandBufferBuilder.hpp>
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#include <Nazara/Renderer/RenderFrame.hpp>
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#include <Nazara/Renderer/UploadPool.hpp>
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#include <NazaraUtils/StackVector.hpp>
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#include <Nazara/Graphics/Debug.hpp>
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namespace Nz
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{
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ViewerInstance::ViewerInstance() :
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m_invProjectionMatrix(Matrix4f::Identity()),
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m_invViewProjMatrix(Matrix4f::Identity()),
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m_invViewMatrix(Matrix4f::Identity()),
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m_projectionMatrix(Matrix4f::Identity()),
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m_viewProjMatrix(Matrix4f::Identity()),
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m_viewMatrix(Matrix4f::Identity()),
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m_targetSize(Vector2f::Zero()),
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m_eyePosition(Vector3f::Zero()),
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m_dataInvalidated(true),
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m_farPlane(-1.f),
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m_nearPlane(-1.f)
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{
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m_viewerDataBuffer = Graphics::Instance()->GetRenderDevice()->InstantiateBuffer(BufferType::Uniform, PredefinedViewerOffsets.totalSize, BufferUsage::DeviceLocal | BufferUsage::Dynamic | BufferUsage::Write);
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m_viewerDataBuffer->UpdateDebugName("Viewer data");
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}
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void ViewerInstance::OnTransfer(RenderFrame& renderFrame, CommandBufferBuilder& builder)
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{
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if (!m_dataInvalidated)
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return;
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constexpr auto& viewerDataOffsets = PredefinedViewerOffsets;
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auto& allocation = renderFrame.GetUploadPool().Allocate(viewerDataOffsets.totalSize);
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AccessByOffset<Vector3f&>(allocation.mappedPtr, viewerDataOffsets.eyePositionOffset) = m_eyePosition;
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AccessByOffset<Vector2f&>(allocation.mappedPtr, viewerDataOffsets.invTargetSizeOffset) = 1.f / m_targetSize;
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AccessByOffset<Vector2f&>(allocation.mappedPtr, viewerDataOffsets.targetSizeOffset) = m_targetSize;
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AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.invProjMatrixOffset) = m_invProjectionMatrix;
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AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.invViewMatrixOffset) = m_invViewMatrix;
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AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.invViewProjMatrixOffset) = m_invViewProjMatrix;
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AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.projMatrixOffset) = m_projectionMatrix;
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AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.viewProjMatrixOffset) = m_viewProjMatrix;
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AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.viewMatrixOffset) = m_viewMatrix;
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AccessByOffset<float&>(allocation.mappedPtr, viewerDataOffsets.nearPlaneOffset) = m_nearPlane;
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AccessByOffset<float&>(allocation.mappedPtr, viewerDataOffsets.farPlaneOffset) = m_farPlane;
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builder.CopyBuffer(allocation, m_viewerDataBuffer.get());
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m_dataInvalidated = false;
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}
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}
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