Graphics: Add depth render technique/queue
Former-commit-id: 711306ee5f84a9579068ce23240dc105cec15cde
This commit is contained in:
Lynix
377
src/Nazara/Graphics/DepthRenderQueue.cpp
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377
src/Nazara/Graphics/DepthRenderQueue.cpp
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// Copyright (C) 2015 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/DepthRenderQueue.hpp>
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#include <Nazara/Graphics/AbstractViewer.hpp>
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#include <Nazara/Graphics/Material.hpp>
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#include <Nazara/Graphics/Debug.hpp>
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///TODO: Remplacer les sinus/cosinus par une lookup table (va booster les perfs d'un bon x10)
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void NzDepthRenderQueue::AddBillboard(const NzMaterial* material, const NzVector3f& position, const NzVector2f& size, const NzVector2f& sinCos, const NzColor& color)
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{
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NazaraAssert(material, "Invalid material");
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if (IsMaterialSuitable(material))
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billboards.push_back(BillboardData{color, position, size, sinCos});
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}
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void NzDepthRenderQueue::AddBillboards(const NzMaterial* material, unsigned int count, NzSparsePtr<const NzVector3f> positionPtr, NzSparsePtr<const NzVector2f> sizePtr, NzSparsePtr<const NzVector2f> sinCosPtr, NzSparsePtr<const NzColor> colorPtr)
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{
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///DOC: sinCosPtr et colorPtr peuvent être nuls, ils seront remplacés respectivement par Vector2f(0.f, 1.f) et Color::White
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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NzVector2f defaultSinCos(0.f, 1.f); // sin(0) = 0, cos(0) = 1
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if (!sinCosPtr)
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sinCosPtr.Reset(&defaultSinCos, 0); // L'astuce ici est de mettre le stride sur zéro, rendant le pointeur immobile
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if (!colorPtr)
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colorPtr.Reset(&NzColor::White, 0); // Pareil
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unsigned int prevSize = billboards.size();
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billboards.resize(prevSize + count);
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BillboardData* billboardData = &billboards[prevSize];
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for (unsigned int i = 0; i < count; ++i)
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{
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billboardData->center = *positionPtr++;
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billboardData->color = *colorPtr++;
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billboardData->sinCos = *sinCosPtr++;
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billboardData->size = *sizePtr++;
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billboardData++;
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}
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}
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void NzDepthRenderQueue::AddBillboards(const NzMaterial* material, unsigned int count, NzSparsePtr<const NzVector3f> positionPtr, NzSparsePtr<const NzVector2f> sizePtr, NzSparsePtr<const NzVector2f> sinCosPtr, NzSparsePtr<const float> alphaPtr)
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{
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///DOC: sinCosPtr et alphaPtr peuvent être nuls, ils seront remplacés respectivement par Vector2f(0.f, 1.f) et Color::White
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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NzVector2f defaultSinCos(0.f, 1.f); // sin(0) = 0, cos(0) = 1
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if (!sinCosPtr)
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sinCosPtr.Reset(&defaultSinCos, 0); // L'astuce ici est de mettre le stride sur zéro, rendant le pointeur immobile
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float defaultAlpha = 1.f;
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if (!alphaPtr)
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alphaPtr.Reset(&defaultAlpha, 0); // Pareil
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unsigned int prevSize = billboards.size();
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billboards.resize(prevSize + count);
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BillboardData* billboardData = &billboards[prevSize];
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for (unsigned int i = 0; i < count; ++i)
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{
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billboardData->center = *positionPtr++;
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billboardData->color = NzColor(255, 255, 255, static_cast<nzUInt8>(255.f * (*alphaPtr++)));
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billboardData->sinCos = *sinCosPtr++;
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billboardData->size = *sizePtr++;
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billboardData++;
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}
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}
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void NzDepthRenderQueue::AddBillboards(const NzMaterial* material, unsigned int count, NzSparsePtr<const NzVector3f> positionPtr, NzSparsePtr<const NzVector2f> sizePtr, NzSparsePtr<const float> anglePtr, NzSparsePtr<const NzColor> colorPtr)
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{
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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///DOC: sinCosPtr et colorPtr peuvent être nuls, ils seront remplacés respectivement par Vector2f(0.f, 1.f) et Color::White
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float defaultRotation = 0.f;
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if (!anglePtr)
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anglePtr.Reset(&defaultRotation, 0); // L'astuce ici est de mettre le stride sur zéro, rendant le pointeur immobile
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if (!colorPtr)
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colorPtr.Reset(&NzColor::White, 0); // Pareil
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unsigned int prevSize = billboards.size();
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billboards.resize(prevSize + count);
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BillboardData* billboardData = &billboards[prevSize];
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for (unsigned int i = 0; i < count; ++i)
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{
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float sin = std::sin(NzToRadians(*anglePtr));
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float cos = std::cos(NzToRadians(*anglePtr));
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anglePtr++;
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billboardData->center = *positionPtr++;
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billboardData->color = *colorPtr++;
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billboardData->sinCos.Set(sin, cos);
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billboardData->size = *sizePtr++;
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billboardData++;
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}
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}
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void NzDepthRenderQueue::AddBillboards(const NzMaterial* material, unsigned int count, NzSparsePtr<const NzVector3f> positionPtr, NzSparsePtr<const NzVector2f> sizePtr, NzSparsePtr<const float> anglePtr, NzSparsePtr<const float> alphaPtr)
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{
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///DOC: sinCosPtr et alphaPtr peuvent être nuls, ils seront remplacés respectivement par Vector2f(0.f, 1.f) et Color::White
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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float defaultRotation = 0.f;
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if (!anglePtr)
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anglePtr.Reset(&defaultRotation, 0); // L'astuce ici est de mettre le stride sur zéro, rendant le pointeur immobile
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float defaultAlpha = 1.f;
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if (!alphaPtr)
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alphaPtr.Reset(&defaultAlpha, 0); // Pareil
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unsigned int prevSize = billboards.size();
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billboards.resize(prevSize + count);
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BillboardData* billboardData = &billboards[prevSize];
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for (unsigned int i = 0; i < count; ++i)
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{
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float sin = std::sin(NzToRadians(*anglePtr));
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float cos = std::cos(NzToRadians(*anglePtr));
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anglePtr++;
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billboardData->center = *positionPtr++;
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billboardData->color = NzColor(255, 255, 255, static_cast<nzUInt8>(255.f * (*alphaPtr++)));
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billboardData->sinCos.Set(sin, cos);
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billboardData->size = *sizePtr++;
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billboardData++;
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}
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}
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void NzDepthRenderQueue::AddBillboards(const NzMaterial* material, unsigned int count, NzSparsePtr<const NzVector3f> positionPtr, NzSparsePtr<const float> sizePtr, NzSparsePtr<const NzVector2f> sinCosPtr, NzSparsePtr<const NzColor> colorPtr)
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{
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///DOC: sinCosPtr et colorPtr peuvent être nuls, ils seront remplacés respectivement par Vector2f(0.f, 1.f) et Color::White
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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NzVector2f defaultSinCos(0.f, 1.f); // sin(0) = 0, cos(0) = 1
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if (!sinCosPtr)
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sinCosPtr.Reset(&defaultSinCos, 0); // L'astuce ici est de mettre le stride sur zéro, rendant le pointeur immobile
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if (!colorPtr)
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colorPtr.Reset(&NzColor::White, 0); // Pareil
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unsigned int prevSize = billboards.size();
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billboards.resize(prevSize + count);
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BillboardData* billboardData = &billboards[prevSize];
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for (unsigned int i = 0; i < count; ++i)
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{
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billboardData->center = *positionPtr++;
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billboardData->color = *colorPtr++;
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billboardData->sinCos = *sinCosPtr++;
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billboardData->size.Set(*sizePtr++);
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billboardData++;
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}
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}
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void NzDepthRenderQueue::AddBillboards(const NzMaterial* material, unsigned int count, NzSparsePtr<const NzVector3f> positionPtr, NzSparsePtr<const float> sizePtr, NzSparsePtr<const NzVector2f> sinCosPtr, NzSparsePtr<const float> alphaPtr)
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{
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///DOC: sinCosPtr et alphaPtr peuvent être nuls, ils seront remplacés respectivement par Vector2f(0.f, 1.f) et Color::White
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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NzVector2f defaultSinCos(0.f, 1.f); // sin(0) = 0, cos(0) = 1
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if (!sinCosPtr)
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sinCosPtr.Reset(&defaultSinCos, 0); // L'astuce ici est de mettre le stride sur zéro, rendant le pointeur immobile
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float defaultAlpha = 1.f;
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if (!alphaPtr)
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alphaPtr.Reset(&defaultAlpha, 0); // Pareil
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unsigned int prevSize = billboards.size();
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billboards.resize(prevSize + count);
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BillboardData* billboardData = &billboards[prevSize];
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for (unsigned int i = 0; i < count; ++i)
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{
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billboardData->center = *positionPtr++;
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billboardData->color = NzColor(255, 255, 255, static_cast<nzUInt8>(255.f * (*alphaPtr++)));
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billboardData->sinCos = *sinCosPtr++;
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billboardData->size.Set(*sizePtr++);
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billboardData++;
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}
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}
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void NzDepthRenderQueue::AddBillboards(const NzMaterial* material, unsigned int count, NzSparsePtr<const NzVector3f> positionPtr, NzSparsePtr<const float> sizePtr, NzSparsePtr<const float> anglePtr, NzSparsePtr<const NzColor> colorPtr)
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{
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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///DOC: sinCosPtr et colorPtr peuvent être nuls, ils seront remplacés respectivement par Vector2f(0.f, 1.f) et Color::White
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float defaultRotation = 0.f;
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if (!anglePtr)
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anglePtr.Reset(&defaultRotation, 0); // L'astuce ici est de mettre le stride sur zéro, rendant le pointeur immobile
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if (!colorPtr)
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colorPtr.Reset(&NzColor::White, 0); // Pareil
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unsigned int prevSize = billboards.size();
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billboards.resize(prevSize + count);
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BillboardData* billboardData = &billboards[prevSize];
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for (unsigned int i = 0; i < count; ++i)
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{
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float sin = std::sin(NzToRadians(*anglePtr));
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float cos = std::cos(NzToRadians(*anglePtr));
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anglePtr++;
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billboardData->center = *positionPtr++;
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billboardData->color = *colorPtr++;
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billboardData->sinCos.Set(sin, cos);
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billboardData->size.Set(*sizePtr++);
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billboardData++;
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}
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}
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void NzDepthRenderQueue::AddBillboards(const NzMaterial* material, unsigned int count, NzSparsePtr<const NzVector3f> positionPtr, NzSparsePtr<const float> sizePtr, NzSparsePtr<const float> anglePtr, NzSparsePtr<const float> alphaPtr)
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{
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///DOC: sinCosPtr et alphaPtr peuvent être nuls, ils seront remplacés respectivement par Vector2f(0.f, 1.f) et Color::White
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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float defaultRotation = 0.f;
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if (!anglePtr)
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anglePtr.Reset(&defaultRotation, 0); // L'astuce ici est de mettre le stride sur zéro, rendant le pointeur immobile
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float defaultAlpha = 1.f;
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if (!alphaPtr)
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alphaPtr.Reset(&defaultAlpha, 0); // Pareil
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unsigned int prevSize = billboards.size();
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billboards.resize(prevSize + count);
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BillboardData* billboardData = &billboards[prevSize];
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for (unsigned int i = 0; i < count; ++i)
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{
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float sin = std::sin(NzToRadians(*anglePtr));
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float cos = std::cos(NzToRadians(*anglePtr));
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anglePtr++;
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billboardData->center = *positionPtr++;
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billboardData->color = NzColor(255, 255, 255, static_cast<nzUInt8>(255.f * (*alphaPtr++)));
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billboardData->sinCos.Set(sin, cos);
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billboardData->size.Set(*sizePtr++);
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billboardData++;
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}
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}
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void NzDepthRenderQueue::AddDrawable(const NzDrawable* drawable)
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{
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#if NAZARA_GRAPHICS_SAFE
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if (!drawable)
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{
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NazaraError("Invalid drawable");
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return;
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}
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#endif
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otherDrawables.push_back(drawable);
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}
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void NzDepthRenderQueue::AddMesh(const NzMaterial* material, const NzMeshData& meshData, const NzBoxf& meshAABB, const NzMatrix4f& transformMatrix)
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{
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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auto it = meshes.find(meshData);
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if (it == meshes.end())
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{
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MeshInstanceEntry instanceEntry;
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if (meshData.indexBuffer)
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instanceEntry.indexBufferReleaseSlot.Connect(meshData.indexBuffer->OnIndexBufferRelease, this, &NzDepthRenderQueue::OnIndexBufferInvalidation);
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instanceEntry.vertexBufferReleaseSlot.Connect(meshData.vertexBuffer->OnVertexBufferRelease, this, &NzDepthRenderQueue::OnVertexBufferInvalidation);
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it = meshes.insert(std::make_pair(meshData, std::move(instanceEntry))).first;
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}
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std::vector<NzMatrix4f>& instances = it->second.instances;
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instances.push_back(transformMatrix);
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// Avons-nous suffisamment d'instances pour que le coût d'utilisation de l'instancing soit payé ?
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//if (instances.size() >= NAZARA_GRAPHICS_INSTANCING_MIN_INSTANCES_COUNT)
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// entry.instancingEnabled = true; // Apparemment oui, activons l'instancing avec ce matériau
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}
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void NzDepthRenderQueue::AddSprites(const NzMaterial* material, const NzVertexStruct_XYZ_Color_UV* vertices, unsigned int spriteCount, const NzTexture* overlay)
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{
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NazaraAssert(material, "Invalid material");
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if (!IsMaterialSuitable(material))
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return;
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basicSprites.push_back(SpriteChain_XYZ_Color_UV({vertices, spriteCount}));
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}
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void NzDepthRenderQueue::Clear(bool fully)
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{
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NzAbstractRenderQueue::Clear(fully);
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basicSprites.clear();
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billboards.clear();
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otherDrawables.clear();
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if (fully)
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meshes.clear();
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}
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bool NzDepthRenderQueue::IsMaterialSuitable(const NzMaterial* material) const
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{
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NazaraAssert(material, "Invalid material");
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return material->IsEnabled(nzRendererParameter_DepthBuffer) && material->IsEnabled(nzRendererParameter_DepthWrite);
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}
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void NzDepthRenderQueue::OnIndexBufferInvalidation(const NzIndexBuffer* indexBuffer)
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{
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for (auto it = meshes.begin(); it != meshes.end();)
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{
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const NzMeshData& renderData = it->first;
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if (renderData.indexBuffer == indexBuffer)
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it = meshes.erase(it);
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else
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++it;
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}
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}
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void NzDepthRenderQueue::OnVertexBufferInvalidation(const NzVertexBuffer* vertexBuffer)
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{
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for (auto it = meshes.begin(); it != meshes.end();)
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{
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const NzMeshData& renderData = it->first;
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if (renderData.vertexBuffer == vertexBuffer)
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it = meshes.erase(it);
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else
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++it;
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}
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}
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