Graphics: Add RenderElement and ElementRenderer (WIP)

2021-07-25 21:13:24 +02:00
parent d647fdc59b
commit 08921b36a6
27 changed files with 3239 additions and 38 deletions
--- a/include/Nazara/Graphics/RenderSubmesh.inl
+++ b/include/Nazara/Graphics/RenderSubmesh.inl
@@ -0,0 +1,79 @@
+// 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/RenderSubmesh.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace Nz
+{
+	inline RenderSubmesh::RenderSubmesh(int renderLayer, std::shared_ptr<RenderPipeline> renderPipeline, std::size_t indexCount, std::shared_ptr<AbstractBuffer> indexBuffer, std::shared_ptr<AbstractBuffer> vertexBuffer, const ShaderBinding& instanceBinding, const ShaderBinding& materialBinding) :
+	RenderElement(BasicRenderElement::Submesh),
+	m_indexBuffer(std::move(indexBuffer)),
+	m_vertexBuffer(std::move(vertexBuffer)),
+	m_renderPipeline(std::move(renderPipeline)),
+	m_indexCount(indexCount),
+	m_instanceBinding(instanceBinding),
+	m_materialBinding(materialBinding),
+	m_renderLayer(renderLayer)
+	{
+	}
+
+	inline UInt64 RenderSubmesh::ComputeSortingScore(const RenderQueueRegistry& registry) const
+	{
+		UInt64 elementType = GetElementType();
+		UInt64 layerIndex = registry.FetchLayerIndex(m_renderLayer);
+		UInt64 pipelineIndex = registry.FetchPipelineIndex(m_renderPipeline.get());
+		UInt64 vertexBufferIndex = registry.FetchVertexBuffer(m_vertexBuffer.get());
+
+		// RQ index:
+		// - Element type (4bits)
+		// - Layer (8bits)
+		// - Pipeline (16bits)
+		// - VertexBuffer (8bits)
+
+		return (elementType & 0xF)        << 60 |
+		       (layerIndex & 0xFF)        << 52 |
+		       (pipelineIndex & 0xFFFF)   << 36 |
+		       (vertexBufferIndex & 0xFF) << 24;
+	}
+
+	inline const AbstractBuffer* RenderSubmesh::GetIndexBuffer() const
+	{
+		return m_indexBuffer.get();
+	}
+
+	inline std::size_t RenderSubmesh::GetIndexCount() const
+	{
+		return m_indexCount;
+	}
+
+	inline const RenderPipeline* RenderSubmesh::GetRenderPipeline() const
+	{
+		return m_renderPipeline.get();
+	}
+
+	inline const ShaderBinding& RenderSubmesh::GetInstanceBinding() const
+	{
+		return m_instanceBinding;
+	}
+
+	inline const ShaderBinding& RenderSubmesh::GetMaterialBinding() const
+	{
+		return m_materialBinding;
+	}
+
+	inline const AbstractBuffer* RenderSubmesh::GetVertexBuffer() const
+	{
+		return m_vertexBuffer.get();
+	}
+
+	inline void RenderSubmesh::Register(RenderQueueRegistry& registry) const
+	{
+		registry.RegisterLayer(m_renderLayer);
+		registry.RegisterPipeline(m_renderPipeline.get());
+		registry.RegisterVertexBuffer(m_vertexBuffer.get());
+	}
+}
+
+#include <Nazara/Graphics/DebugOff.hpp>