57 lines
2.6 KiB
C++
57 lines
2.6 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
|
|
// This file is part of the "Nazara Engine - Graphics module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#include <Nazara/Graphics/ViewerInstance.hpp>
|
|
#include <Nazara/Core/StackVector.hpp>
|
|
#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
|
|
{
|
|
ViewerInstance::ViewerInstance() :
|
|
m_invProjectionMatrix(Matrix4f::Identity()),
|
|
m_invViewProjMatrix(Matrix4f::Identity()),
|
|
m_invViewMatrix(Matrix4f::Identity()),
|
|
m_projectionMatrix(Matrix4f::Identity()),
|
|
m_viewProjMatrix(Matrix4f::Identity()),
|
|
m_viewMatrix(Matrix4f::Identity()),
|
|
m_targetSize(Vector2f(0.f, 0.f)),
|
|
m_dataInvalided(true)
|
|
{
|
|
PredefinedViewerData viewerUboOffsets = PredefinedViewerData::GetOffsets();
|
|
|
|
m_viewerDataBuffer = Graphics::Instance()->GetRenderDevice()->InstantiateBuffer(BufferType::Uniform);
|
|
if (!m_viewerDataBuffer->Initialize(viewerUboOffsets.totalSize, BufferUsage::DeviceLocal | BufferUsage::Dynamic))
|
|
throw std::runtime_error("failed to initialize viewer data UBO");
|
|
}
|
|
|
|
void ViewerInstance::UpdateBuffers(UploadPool& uploadPool, CommandBufferBuilder& builder)
|
|
{
|
|
if (m_dataInvalided)
|
|
{
|
|
PredefinedViewerData viewerDataOffsets = PredefinedViewerData::GetOffsets();
|
|
|
|
auto& allocation = uploadPool.Allocate(viewerDataOffsets.totalSize);
|
|
AccessByOffset<Vector3f&>(allocation.mappedPtr, viewerDataOffsets.eyePositionOffset) = m_viewMatrix.GetTranslation();
|
|
AccessByOffset<Vector2f&>(allocation.mappedPtr, viewerDataOffsets.invTargetSizeOffset) = 1.f / m_targetSize;
|
|
AccessByOffset<Vector2f&>(allocation.mappedPtr, viewerDataOffsets.targetSizeOffset) = m_targetSize;
|
|
|
|
AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.invProjMatrixOffset) = m_invProjectionMatrix;
|
|
AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.invViewMatrixOffset) = m_invViewMatrix;
|
|
AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.invViewProjMatrixOffset) = m_invViewProjMatrix;
|
|
AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.projMatrixOffset) = m_projectionMatrix;
|
|
AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.viewProjMatrixOffset) = m_viewProjMatrix;
|
|
AccessByOffset<Matrix4f&>(allocation.mappedPtr, viewerDataOffsets.viewMatrixOffset) = m_viewMatrix;
|
|
|
|
builder.CopyBuffer(allocation, m_viewerDataBuffer.get());
|
|
|
|
m_dataInvalided = false;
|
|
}
|
|
}
|
|
}
|