113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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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/RenderSpriteChain.hpp>
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#include <Nazara/Graphics/Algorithm.hpp>
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#include <Nazara/Graphics/Debug.hpp>
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namespace Nz
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{
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inline RenderSpriteChain::RenderSpriteChain(int renderLayer, std::shared_ptr<RenderPipeline> renderPipeline, std::shared_ptr<VertexDeclaration> vertexDeclaration, std::shared_ptr<Texture> textureOverlay, std::size_t spriteCount, const void* spriteData, const ShaderBinding& materialBinding, const WorldInstance& worldInstance, const MaterialPassFlags& matFlags) :
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RenderElement(BasicRenderElement::SpriteChain),
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m_renderPipeline(std::move(renderPipeline)),
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m_vertexDeclaration(std::move(vertexDeclaration)),
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m_textureOverlay(std::move(textureOverlay)),
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m_spriteCount(spriteCount),
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m_spriteData(spriteData),
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m_matFlags(matFlags),
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m_materialBinding(materialBinding),
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m_worldInstance(worldInstance),
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m_renderLayer(renderLayer)
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{
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}
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inline UInt64 RenderSpriteChain::ComputeSortingScore(const Nz::Frustumf& frustum, const RenderQueueRegistry& registry) const
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{
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UInt64 layerIndex = registry.FetchLayerIndex(m_renderLayer);
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UInt64 elementType = GetElementType();
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UInt64 pipelineIndex = registry.FetchPipelineIndex(m_renderPipeline.get());
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UInt64 vertexDeclarationIndex = registry.FetchVertexDeclaration(m_vertexDeclaration.get());
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if (m_matFlags.Test(MaterialPassFlag::Transparent))
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{
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UInt64 matFlags = 1;
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float distanceNear = frustum.GetPlane(FrustumPlane::Near).Distance(m_worldInstance.GetWorldMatrix().GetTranslation());
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UInt64 distance = DistanceAsSortKey(distanceNear);
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// Transparent RQ index:
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// - Layer (8bits)
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// - Transparent flag (1bit)
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// - Distance to near plane (32bits)
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return (layerIndex & 0xFF) << 60 |
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(matFlags) << 52 |
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(distance) << 51;
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}
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else
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{
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UInt64 matFlags = 0;
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// Opaque RQ index:
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// - Layer (8bits)
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// - Transparent flag (1bit)
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// - Element type (4bits)
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// - Pipeline (16bits)
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// - VertexDeclaration (8bits)
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// - ?? (24bits) - Depth?
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return (layerIndex & 0xFF) << 60 |
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(matFlags) << 52 |
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(elementType & 0xF) << 51 |
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(pipelineIndex & 0xFFFF) << 35 |
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(vertexDeclarationIndex & 0xFF) << 23;
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}
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}
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inline const ShaderBinding& RenderSpriteChain::GetInstanceBinding() const
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{
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return m_worldInstance.GetShaderBinding();
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}
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inline const ShaderBinding& RenderSpriteChain::GetMaterialBinding() const
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{
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return m_materialBinding;
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}
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inline const RenderPipeline* RenderSpriteChain::GetRenderPipeline() const
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{
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return m_renderPipeline.get();
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}
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inline std::size_t RenderSpriteChain::GetSpriteCount() const
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{
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return m_spriteCount;
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}
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inline const void* RenderSpriteChain::GetSpriteData() const
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{
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return m_spriteData;
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}
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inline const Texture* RenderSpriteChain::GetTextureOverlay() const
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{
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return m_textureOverlay.get();
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}
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inline const VertexDeclaration* RenderSpriteChain::GetVertexDeclaration() const
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{
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return m_vertexDeclaration.get();
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}
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inline void RenderSpriteChain::Register(RenderQueueRegistry& registry) const
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{
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registry.RegisterLayer(m_renderLayer);
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registry.RegisterPipeline(m_renderPipeline.get());
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registry.RegisterVertexDeclaration(m_vertexDeclaration.get());
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}
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}
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#include <Nazara/Graphics/DebugOff.hpp>
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