Rewritted rendersystem

Former-commit-id: 9cbc601413e057047b94b8b872ee2316a86638c4

src/Nazara/Graphics/AbstractRenderQueue.cpp

@@ -0,0 +1,8 @@
+// Copyright (C) 2013 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/AbstractRenderQueue.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+NzAbstractRenderQueue::~NzAbstractRenderQueue() = default;

src/Nazara/Graphics/AbstractRenderTechnique.cpp

@@ -0,0 +1,8 @@
+// Copyright (C) 2013 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/AbstractRenderTechnique.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+NzAbstractRenderTechnique::~NzAbstractRenderTechnique() = default;

src/Nazara/Graphics/Camera.cpp

@@ -23,7 +23,7 @@ m_zNear(1.f)
 
 NzCamera::~NzCamera() = default;
 
-void NzCamera::Activate() const
+void NzCamera::Activate()
 {
 	#ifdef NAZARA_GRAPHICS_SAFE
 	if (!m_target)
@@ -206,7 +206,7 @@ void NzCamera::SetZNear(float zNear)
 	m_projectionMatrixUpdated = false;
 }
 
-void NzCamera::AddToRenderQueue(NzRenderQueue& renderQueue) const
+void NzCamera::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
 {
 	NazaraUnused(renderQueue);
 

src/Nazara/Graphics/ForwardRenderQueue.cpp

@@ -0,0 +1,224 @@
+// Copyright (C) 2013 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/ForwardRenderQueue.hpp>
+#include <Nazara/Graphics/Camera.hpp>
+#include <Nazara/Graphics/Light.hpp>
+#include <Nazara/Graphics/Model.hpp>
+#include <Nazara/Renderer/Material.hpp>
+#include <Nazara/Utility/SkeletalMesh.hpp>
+#include <Nazara/Utility/StaticMesh.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+void NzForwardRenderQueue::AddDrawable(const NzDrawable* drawable)
+{
+	#if NAZARA_GRAPHICS_SAFE
+	if (!drawable)
+	{
+		NazaraError("Invalid drawable");
+		return;
+	}
+	#endif
+
+	otherDrawables.push_back(drawable);
+}
+
+void NzForwardRenderQueue::AddLight(const NzLight* light)
+{
+	#if NAZARA_GRAPHICS_SAFE
+	if (!light)
+	{
+		NazaraError("Invalid light");
+		return;
+	}
+	#endif
+
+	switch (light->GetLightType())
+	{
+		case nzLightType_Directional:
+			directionnalLights.push_back(light);
+			break;
+
+		case nzLightType_Point:
+		case nzLightType_Spot:
+			visibleLights.push_back(light);
+			break;
+
+		#ifdef NAZARA_DEBUG
+		default:
+			NazaraError("Light type not handled (0x" + NzString::Number(light->GetLightType(), 16) + ')');
+		#endif
+	}
+}
+
+void NzForwardRenderQueue::AddModel(const NzModel* model)
+{
+	#if NAZARA_GRAPHICS_SAFE
+	if (!model)
+	{
+		NazaraError("Invalid model");
+		return;
+	}
+
+	if (!model->IsDrawable())
+	{
+		NazaraError("Model is not drawable");
+		return;
+	}
+	#endif
+
+	const NzMatrix4f& transformMatrix = model->GetTransformMatrix();
+
+	NzMesh* mesh = model->GetMesh();
+	unsigned int submeshCount = mesh->GetSubMeshCount();
+
+	for (unsigned int i = 0; i < submeshCount; ++i)
+	{
+		NzSubMesh* subMesh = mesh->GetSubMesh(i);
+		NzMaterial* material = model->GetMaterial(subMesh->GetMaterialIndex());
+
+		switch (subMesh->GetAnimationType())
+		{
+			case nzAnimationType_Skeletal:
+			{
+				///TODO
+				/*
+				** Il y a ici deux choses importantes à gérer:
+				** -Pour commencer, la mise en cache de std::vector suffisamment grands pour contenir le résultat du skinning
+				**  l'objectif ici est d'éviter une allocation à chaque frame, donc de réutiliser un tableau existant
+				**  Note: Il faudrait évaluer aussi la possibilité de conserver le buffer d'une frame à l'autre.
+				**        Ceci permettant de ne pas skinner inutilement ce qui ne bouge pas, ou de skinner partiellement un mesh.
+				**        Il faut cependant voir où stocker ce set de buffers, qui doit être communs à toutes les RQ d'une même scène.
+				**
+				** -Ensuite, la possibilité de regrouper les modèles skinnés identiques, une centaine de soldats marchant au pas
+				**  ne devrait requérir qu'un skinning.
+				*/
+				NazaraError("Skeletal mesh not supported yet, sorry");
+				break;
+			}
+
+			case nzAnimationType_Static:
+			{
+				NzStaticMesh* staticMesh = static_cast<NzStaticMesh*>(subMesh);
+				if (material->IsAlphaBlendingEnabled())
+				{
+					unsigned int index = transparentStaticModels.size();
+					transparentStaticModels.resize(index+1);
+
+					TransparentStaticModel& data = transparentStaticModels.back();
+					data.material = material;
+					data.mesh = staticMesh;
+					data.transformMatrix = transformMatrix;
+
+					visibleTransparentsModels.push_back(std::make_pair(index, true));
+				}
+				else
+					visibleModels[material].second[staticMesh].push_back(transformMatrix);
+
+				break;
+			}
+		}
+	}
+}
+
+void NzForwardRenderQueue::Clear()
+{
+	directionnalLights.clear();
+	otherDrawables.clear();
+	visibleLights.clear();
+	visibleModels.clear();
+	visibleTransparentsModels.clear();
+	transparentSkeletalModels.clear();
+	transparentStaticModels.clear();
+}
+
+void NzForwardRenderQueue::Sort(const NzCamera& camera)
+{
+	struct TransparentModelComparator
+	{
+		bool operator()(const std::pair<unsigned int, bool>& index1, const std::pair<unsigned int, bool>& index2)
+		{
+			const NzMatrix4f& matrix1 = (index1.second) ?
+			                            queue->transparentStaticModels[index1.first].transformMatrix :
+			                            queue->transparentSkeletalModels[index1.first].transformMatrix;
+
+			const NzMatrix4f& matrix2 = (index1.second) ?
+			                            queue->transparentStaticModels[index2.first].transformMatrix :
+			                            queue->transparentSkeletalModels[index2.first].transformMatrix;
+
+			return nearPlane.Distance(matrix1.GetTranslation()) < nearPlane.Distance(matrix2.GetTranslation());
+		}
+
+		NzForwardRenderQueue* queue;
+		NzPlanef nearPlane;
+	};
+
+	TransparentModelComparator comparator {this, camera.GetFrustum().GetPlane(nzFrustumPlane_Near)};
+	std::sort(visibleTransparentsModels.begin(), visibleTransparentsModels.end(), comparator);
+}
+
+bool NzForwardRenderQueue::SkeletalMeshComparator::operator()(const NzSkeletalMesh* subMesh1, const NzSkeletalMesh* subMesh2)
+{
+	const NzIndexBuffer* iBuffer1 = subMesh1->GetIndexBuffer();
+	const NzBuffer* buffer1 = (iBuffer1) ? iBuffer1->GetBuffer() : nullptr;
+
+	const NzIndexBuffer* iBuffer2 = subMesh1->GetIndexBuffer();
+	const NzBuffer* buffer2 = (iBuffer2) ? iBuffer2->GetBuffer() : nullptr;
+
+	if (buffer1 == buffer2)
+		return subMesh1 < subMesh2;
+	else
+		return buffer2 < buffer2;
+}
+
+bool NzForwardRenderQueue::StaticMeshComparator::operator()(const NzStaticMesh* subMesh1, const NzStaticMesh* subMesh2)
+{
+	const NzIndexBuffer* iBuffer1 = subMesh1->GetIndexBuffer();
+	const NzBuffer* buffer1 = (iBuffer1) ? iBuffer1->GetBuffer() : nullptr;
+
+	const NzIndexBuffer* iBuffer2 = subMesh1->GetIndexBuffer();
+	const NzBuffer* buffer2 = (iBuffer2) ? iBuffer2->GetBuffer() : nullptr;
+
+	if (buffer1 == buffer2)
+	{
+		buffer1 = subMesh1->GetVertexBuffer()->GetBuffer();
+		buffer2 = subMesh2->GetVertexBuffer()->GetBuffer();
+
+		if (buffer1 == buffer2)
+			return subMesh1 < subMesh2;
+		else
+			return buffer1 < buffer2;
+	}
+	else
+		return buffer1 < buffer2;
+}
+
+bool NzForwardRenderQueue::MaterialComparator::operator()(const NzMaterial* mat1, const NzMaterial* mat2)
+{
+	const NzShader* shader1 = mat1->GetCustomShader();
+	const NzShader* shader2 = mat2->GetCustomShader();
+
+	if (shader1)
+	{
+		if (shader2)
+		{
+			if (shader1 != shader2)
+				return shader1 < shader2;
+		}
+		else
+			return true;
+	}
+	else if (shader2)
+		return false;
+	else
+	{
+		nzUInt32 shaderFlags1 = mat1->GetShaderFlags();
+		nzUInt32 shaderFlags2 = mat2->GetShaderFlags();
+
+		if (shaderFlags1 != shaderFlags2)
+			return shaderFlags1 < shaderFlags2;
+	}
+
+	return mat1 < mat2;
+}

src/Nazara/Graphics/ForwardRenderTechnique.cpp

@@ -0,0 +1,277 @@
+// Copyright (C) 2013 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/ForwardRenderTechnique.hpp>
+#include <Nazara/Graphics/Background.hpp>
+#include <Nazara/Graphics/Camera.hpp>
+#include <Nazara/Graphics/Drawable.hpp>
+#include <Nazara/Graphics/Light.hpp>
+#include <Nazara/Renderer/Config.hpp>
+#include <Nazara/Renderer/Material.hpp>
+#include <Nazara/Renderer/Renderer.hpp>
+#include <Nazara/Renderer/ShaderBuilder.hpp>
+#include <Nazara/Utility/StaticMesh.hpp>
+#include <Nazara/Graphics/Debug.hpp>
+
+namespace
+{
+	struct LightComparator
+	{
+		bool operator()(const NzLight* light1, const NzLight* light2)
+		{
+			return light1->GetPosition().SquaredDistance(pos) < light2->GetPosition().SquaredDistance(pos);
+		}
+
+		NzVector3f pos;
+	};
+}
+
+NzForwardRenderTechnique::NzForwardRenderTechnique() :
+m_maxLightsPerObject(3) // Valeur totalement arbitraire
+{
+}
+
+void NzForwardRenderTechnique::Clear(const NzScene* scene)
+{
+	NzRenderer::Enable(nzRendererParameter_DepthBuffer, true);
+	NzRenderer::Enable(nzRendererParameter_DepthWrite, true);
+	NzRenderer::Clear(nzRendererClear_Depth);
+
+	NzBackground* background = scene->GetBackground();
+	if (background)
+		background->Draw(scene);
+}
+
+void NzForwardRenderTechnique::Draw(const NzScene* scene)
+{
+	///TODO: Regrouper les activations par méthode
+	LightComparator lightComparator;
+
+	const NzCamera* camera = scene->GetActiveCamera();
+	const NzShader* lastShader = nullptr;
+
+	// Externes à la boucle pour conserver leur valeurs si le shader ne change pas
+	unsigned int lightCount = 0;
+	int lightCountLocation = -1;
+
+	// Rendu des modèles opaques
+	for (auto matIt : m_renderQueue.visibleModels)
+	{
+		NzMaterial* material = matIt.first;
+
+		// On commence par récupérer le shader du matériau
+		const NzShader* shader;
+		if (material->HasCustomShader())
+			shader = material->GetCustomShader();
+		else
+			shader = NzShaderBuilder::Get(material->GetShaderFlags());
+
+		// Les uniformes sont conservées au sein du shader, inutile de les renvoyer tant que le shader reste le même
+		if (shader != lastShader)
+		{
+			// On récupère l'information sur l'éclairage en même temps que la position de l'uniforme "LightCount"
+			lightCountLocation = shader->GetUniformLocation(nzShaderUniform_LightCount);
+
+			NzRenderer::SetShader(shader);
+
+			// Couleur ambiante de la scène
+			shader->SendColor(shader->GetUniformLocation(nzShaderUniform_SceneAmbient), scene->GetAmbientColor());
+			// Position de la caméra
+			shader->SendVector(shader->GetUniformLocation(nzShaderUniform_CameraPosition), camera->GetPosition());
+
+			lightCount = 0;
+
+			// On envoie les lumières directionnelles s'il y a (Les mêmes pour tous)
+			if (lightCountLocation != -1)
+			{
+				for (const NzLight* light : m_renderQueue.directionnalLights)
+				{
+					light->Apply(shader, lightCount++);
+					if (lightCount > NAZARA_RENDERER_SHADER_MAX_LIGHTCOUNT)
+						break; // Prévenons les bêtises des utilisateurs
+				}
+			}
+			lastShader = shader;
+		}
+
+		material->Apply(shader);
+
+		// Meshs squelettiques
+		/*NzForwardRenderQueue::SkeletalMeshContainer& container = matIt.second.first;
+		if (!container.empty())
+		{
+			NzRenderer::SetVertexBuffer(m_skinningBuffer); // Vertex buffer commun
+			for (auto subMeshIt : container)
+			{
+				///TODO
+			}
+		}*/
+
+		// Meshs statiques
+		for (auto subMeshIt : matIt.second.second)
+		{
+			NzStaticMesh* mesh = subMeshIt.first;
+
+			const NzIndexBuffer* indexBuffer = mesh->GetIndexBuffer();
+			const NzVertexBuffer* vertexBuffer = mesh->GetVertexBuffer();
+
+			// Gestion du draw call avant la boucle de rendu
+			std::function<void(nzPrimitiveMode, unsigned int, unsigned int)> drawFunc;
+			unsigned int indexCount;
+
+			if (indexBuffer)
+			{
+				drawFunc = NzRenderer::DrawIndexedPrimitives;
+				indexCount = indexBuffer->GetIndexCount();
+			}
+			else
+			{
+				drawFunc = NzRenderer::DrawPrimitives;
+				indexCount = vertexBuffer->GetVertexCount();
+			}
+
+			NzRenderer::SetIndexBuffer(indexBuffer);
+			NzRenderer::SetVertexBuffer(vertexBuffer);
+
+			for (const NzMatrix4f& matrix : subMeshIt.second)
+			{
+				// Calcul des lumières les plus proches
+				///TODO: LightManager ?
+				if (lightCountLocation != -1)
+				{
+					std::vector<const NzLight*>& visibleLights = m_renderQueue.visibleLights;
+
+					lightComparator.pos = matrix.GetTranslation();
+					std::sort(visibleLights.begin(), visibleLights.end(), lightComparator);
+
+					unsigned int max = std::min(std::min(NAZARA_RENDERER_SHADER_MAX_LIGHTCOUNT - lightCount, m_maxLightsPerObject), static_cast<unsigned int>(visibleLights.size()));
+					for (unsigned int i = 0; i < max; ++i)
+						visibleLights[i]->Apply(shader, lightCount++);
+
+					shader->SendInteger(lightCountLocation, lightCount);
+				}
+
+				NzRenderer::SetMatrix(nzMatrixType_World, matrix);
+				drawFunc(mesh->GetPrimitiveMode(), 0, indexCount);
+			}
+		}
+	}
+
+	for (const std::pair<unsigned int, bool>& pair : m_renderQueue.visibleTransparentsModels)
+	{
+		// Matériau
+		NzMaterial* material = (pair.second) ?
+		                       m_renderQueue.transparentStaticModels[pair.first].material :
+		                       m_renderQueue.transparentSkeletalModels[pair.first].material;
+
+		// On commence par récupérer le shader du matériau
+		const NzShader* shader;
+		if (material->HasCustomShader())
+			shader = material->GetCustomShader();
+		else
+			shader = NzShaderBuilder::Get(material->GetShaderFlags());
+
+		// Les uniformes sont conservées au sein du shader, inutile de les renvoyer tant que le shader reste le même
+		if (shader != lastShader)
+		{
+			// On récupère l'information sur l'éclairage en même temps que la position de l'uniforme "LightCount"
+			lightCountLocation = shader->GetUniformLocation(nzShaderUniform_LightCount);
+
+			NzRenderer::SetShader(shader);
+
+			// Couleur ambiante de la scène
+			shader->SendColor(shader->GetUniformLocation(nzShaderUniform_SceneAmbient), scene->GetAmbientColor());
+			// Position de la caméra
+			shader->SendVector(shader->GetUniformLocation(nzShaderUniform_CameraPosition), camera->GetPosition());
+
+			lightCount = 0;
+
+			// On envoie les lumières directionnelles s'il y a (Les mêmes pour tous)
+			if (lightCountLocation != -1)
+			{
+				for (const NzLight* light : m_renderQueue.directionnalLights)
+				{
+					light->Apply(shader, lightCount++);
+					if (lightCount > NAZARA_RENDERER_SHADER_MAX_LIGHTCOUNT)
+						break; // Prévenons les bêtises des utilisateurs
+				}
+			}
+			lastShader = shader;
+		}
+
+		material->Apply(shader);
+
+		// Mesh
+		if (pair.second)
+		{
+			NzForwardRenderQueue::TransparentStaticModel& staticModel = m_renderQueue.transparentStaticModels[pair.first];
+
+			const NzMatrix4f& matrix = staticModel.transformMatrix;
+			NzStaticMesh* mesh = staticModel.mesh;
+
+			const NzIndexBuffer* indexBuffer = mesh->GetIndexBuffer();
+			const NzVertexBuffer* vertexBuffer = mesh->GetVertexBuffer();
+
+			// Gestion du draw call avant la boucle de rendu
+			std::function<void(nzPrimitiveMode, unsigned int, unsigned int)> drawFunc;
+			unsigned int indexCount;
+
+			if (indexBuffer)
+			{
+				drawFunc = NzRenderer::DrawIndexedPrimitives;
+				indexCount = indexBuffer->GetIndexCount();
+			}
+			else
+			{
+				drawFunc = NzRenderer::DrawPrimitives;
+				indexCount = vertexBuffer->GetVertexCount();
+			}
+
+			NzRenderer::SetIndexBuffer(indexBuffer);
+			NzRenderer::SetVertexBuffer(vertexBuffer);
+
+			// Calcul des lumières les plus proches
+			///TODO: LightManager ?
+			if (lightCountLocation != -1)
+			{
+				std::vector<const NzLight*>& visibleLights = m_renderQueue.visibleLights;
+
+				lightComparator.pos = matrix.GetTranslation();
+				std::sort(visibleLights.begin(), visibleLights.end(), lightComparator);
+
+				unsigned int max = std::min(std::min(NAZARA_RENDERER_SHADER_MAX_LIGHTCOUNT - lightCount, m_maxLightsPerObject), static_cast<unsigned int>(visibleLights.size()));
+				for (unsigned int i = 0; i < max; ++i)
+					visibleLights[i]->Apply(shader, lightCount++);
+
+				shader->SendInteger(lightCountLocation, lightCount);
+			}
+
+			NzRenderer::SetMatrix(nzMatrixType_World, matrix);
+			drawFunc(mesh->GetPrimitiveMode(), 0, indexCount);
+		}
+		else
+		{
+			///TODO
+		}
+	}
+
+	// Les autres drawables (Exemple: Terrain)
+	for (const NzDrawable* drawable : m_renderQueue.otherDrawables)
+		drawable->Draw();
+}
+
+unsigned int NzForwardRenderTechnique::GetMaxLightsPerObject() const
+{
+	return m_maxLightsPerObject;
+}
+
+NzAbstractRenderQueue* NzForwardRenderTechnique::GetRenderQueue()
+{
+	return &m_renderQueue;
+}
+
+void NzForwardRenderTechnique::SetMaxLightsPerObject(unsigned int lightCount)
+{
+	m_maxLightsPerObject = lightCount;
+}

src/Nazara/Graphics/Light.cpp

@@ -4,6 +4,7 @@
 
 #include <Nazara/Graphics/Light.hpp>
 #include <Nazara/Core/Error.hpp>
+#include <Nazara/Graphics/AbstractRenderQueue.hpp>
 #include <Nazara/Math/Basic.hpp>
 #include <Nazara/Math/Sphere.hpp>
 #include <Nazara/Renderer/Renderer.hpp>
@@ -32,23 +33,9 @@ NzSceneNode(light)
 	std::memcpy(this, &light, sizeof(NzLight)); // Aussi simple que ça
 }
 
-NzLight::~NzLight()
+void NzLight::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
 {
-}
-
-void NzLight::AddToRenderQueue(NzRenderQueue& renderQueue) const
-{
-	switch (m_type)
-	{
-		case nzLightType_Directional:
-			renderQueue.directionnalLights.push_back(this);
-			break;
-
-		case nzLightType_Point:
-		case nzLightType_Spot:
-			renderQueue.visibleLights.push_back(this);
-			break;
-	}
+	renderQueue->AddLight(this);
 }
 
 void NzLight::Apply(const NzShader* shader, unsigned int lightUnit) const

src/Nazara/Graphics/Model.cpp

@@ -3,6 +3,7 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/Graphics/Model.hpp>
+#include <Nazara/Graphics/AbstractRenderQueue.hpp>
 #include <Nazara/Graphics/Config.hpp>
 #include <Nazara/Utility/SkeletalMesh.hpp>
 #include <Nazara/Utility/StaticMesh.hpp>
@@ -64,45 +65,9 @@ NzModel::~NzModel()
 	Reset();
 }
 
-void NzModel::AddToRenderQueue(NzRenderQueue& renderQueue) const
+void NzModel::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
 {
-	if (!m_transformMatrixUpdated)
-		UpdateTransformMatrix();
-
-	unsigned int subMeshCount = m_mesh->GetSubMeshCount();
-	for (unsigned int i = 0; i < subMeshCount; ++i)
-	{
-		NzSubMesh* subMesh = m_mesh->GetSubMesh(i);
-		NzMaterial* material = m_materials[m_skin*m_matCount + subMesh->GetMaterialIndex()];
-
-		switch (subMesh->GetAnimationType())
-		{
-			case nzAnimationType_Skeletal:
-			{
-				NzSkeletalMesh* skeletalMesh = static_cast<NzSkeletalMesh*>(subMesh);
-				std::vector<NzRenderQueue::SkeletalData>& data = renderQueue.visibleSkeletalModels[material][skeletalMesh];
-
-				///TODO: Corriger cette abomination
-				data.resize(data.size()+1);
-				NzRenderQueue::SkeletalData& skeletalData = data.back();
-
-				skeletalData.skinnedVertices.resize(skeletalMesh->GetVertexCount());
-				skeletalData.transformMatrix = m_transformMatrix;
-
-				skeletalMesh->Skin(&skeletalData.skinnedVertices[0], &m_skeleton);
-				break;
-			}
-
-			case nzAnimationType_Static:
-			{
-				NzStaticMesh* staticMesh = static_cast<NzStaticMesh*>(subMesh);
-				std::vector<NzMatrix4f>& matrices = renderQueue.visibleStaticModels[material][staticMesh];
-
-				matrices.push_back(m_transformMatrix);
-				break;
-			}
-		}
-	}
+	renderQueue->AddModel(this);
 }
 
 void NzModel::AdvanceAnimation(float elapsedTime)
@@ -310,6 +275,11 @@ bool NzModel::IsAnimationEnabled() const
 	return m_animationEnabled;
 }
 
+bool NzModel::IsDrawable() const
+{
+	return m_mesh != nullptr && m_mesh->GetSubMeshCount() >= 1;
+}
+
 bool NzModel::IsDrawEnabled() const
 {
 	return m_drawEnabled;
@@ -702,9 +672,9 @@ void NzModel::UpdateBoundingBox() const
 bool NzModel::VisibilityTest(const NzFrustumf& frustum)
 {
 	#if NAZARA_GRAPHICS_SAFE
-	if (!m_mesh)
+	if (!IsDrawable())
 	{
-		NazaraError("Model has no mesh");
+		NazaraError("Model is not drawable");
 		return false;
 	}
 	#endif

src/Nazara/Graphics/RenderQueue.cpp

@@ -1,96 +0,0 @@
-// Copyright (C) 2013 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/RenderQueue.hpp>
-#include <Nazara/Renderer/Material.hpp>
-#include <Nazara/Utility/SkeletalMesh.hpp>
-#include <Nazara/Utility/StaticMesh.hpp>
-#include <Nazara/Graphics/Debug.hpp>
-
-bool NzRenderQueue::MaterialComparator::operator()(const NzMaterial* mat1, const NzMaterial* mat2)
-{
-	const NzShader* shader1 = mat1->GetCustomShader();
-	const NzShader* shader2 = mat2->GetCustomShader();
-
-	if (shader1)
-	{
-		if (shader2)
-			return shader1 < shader2;
-		else
-			return true;
-	}
-	else if (shader2)
-		return false;
-	else
-	{
-		nzUInt32 shaderFlags1 = mat1->GetShaderFlags();
-		nzUInt32 shaderFlags2 = mat2->GetShaderFlags();
-
-		if (shaderFlags1 == shaderFlags2)
-			return mat1 < mat2;
-		else
-			return shaderFlags1 < shaderFlags2;
-	}
-}
-
-bool NzRenderQueue::SkeletalMeshComparator::operator()(const NzSkeletalMesh* subMesh1, const NzSkeletalMesh* subMesh2)
-{
-	const NzBuffer* buffer1;
-	const NzIndexBuffer* iBuffer1 = subMesh1->GetIndexBuffer();
-	if (iBuffer1)
-		buffer1 = iBuffer1->GetBuffer();
-	else
-		buffer1 = nullptr;
-
-	const NzBuffer* buffer2;
-	const NzIndexBuffer* iBuffer2 = subMesh1->GetIndexBuffer();
-	if (iBuffer2)
-		buffer2 = iBuffer1->GetBuffer();
-	else
-		buffer2 = nullptr;
-
-	if (buffer1 == buffer2)
-		return subMesh1 < subMesh2;
-	else
-		return buffer2 < buffer2;
-}
-
-bool NzRenderQueue::StaticMeshComparator::operator()(const NzStaticMesh* subMesh1, const NzStaticMesh* subMesh2)
-{
-	const NzBuffer* buffer1;
-	const NzIndexBuffer* iBuffer1 = subMesh1->GetIndexBuffer();
-	if (iBuffer1)
-		buffer1 = iBuffer1->GetBuffer();
-	else
-		buffer1 = nullptr;
-
-	const NzBuffer* buffer2;
-	const NzIndexBuffer* iBuffer2 = subMesh1->GetIndexBuffer();
-	if (iBuffer2)
-		buffer2 = iBuffer1->GetBuffer();
-	else
-		buffer2 = nullptr;
-
-	if (iBuffer1 == iBuffer2)
-	{
-		buffer1 = subMesh1->GetVertexBuffer()->GetBuffer();
-		buffer2 = subMesh2->GetVertexBuffer()->GetBuffer();
-
-		if (buffer1 == buffer2)
-			return subMesh1 < subMesh2;
-		else
-			return buffer1 < buffer2;
-	}
-	else
-		return iBuffer1 < iBuffer2;
-}
-
-void NzRenderQueue::Clear()
-{
-	directionnalLights.clear();
-	otherDrawables.clear();
-	visibleLights.clear();
-	visibleSkeletalModels.clear();
-	visibleStaticModels.clear();
-}

src/Nazara/Graphics/Scene.cpp

@@ -5,41 +5,17 @@
 #include <Nazara/Graphics/Scene.hpp>
 #include <Nazara/Core/Clock.hpp>
 #include <Nazara/Core/Error.hpp>
-#include <Nazara/Graphics/ColorBackground.hpp>
-#include <Nazara/Graphics/Drawable.hpp>
 #include <Nazara/Graphics/Camera.hpp>
-#include <Nazara/Graphics/Light.hpp>
-#include <Nazara/Graphics/Model.hpp>
-#include <Nazara/Graphics/RenderQueue.hpp>
+#include <Nazara/Graphics/ColorBackground.hpp>
+#include <Nazara/Graphics/ForwardRenderTechnique.hpp>
 #include <Nazara/Graphics/SceneRoot.hpp>
 #include <Nazara/Renderer/Config.hpp>
-#include <Nazara/Renderer/Renderer.hpp>
-#include <Nazara/Renderer/Shader.hpp>
-#include <Nazara/Renderer/ShaderBuilder.hpp>
-#include <Nazara/Utility/BufferMapper.hpp>
-#include <Nazara/Utility/SkeletalMesh.hpp>
-#include <Nazara/Utility/StaticMesh.hpp>
 #include <functional>
 #include <memory>
 #include <set>
 #include <vector>
 #include <Nazara/Graphics/Debug.hpp>
 
-namespace
-{
-	const unsigned int maxLights = 8; ///TODO: Config
-
-	struct LightComparator
-	{
-		bool operator()(const NzLight* light1, const NzLight* light2)
-		{
-			return light1->GetPosition().SquaredDistance(pos) < light2->GetPosition().SquaredDistance(pos);
-		}
-
-		NzVector3f pos;
-	};
-}
-
 struct NzSceneImpl
 {
 	NzSceneImpl(NzScene* scene) :
@@ -47,16 +23,14 @@ struct NzSceneImpl
 	{
 	}
 
+	std::unique_ptr<NzAbstractRenderTechnique> renderTechnique;
 	std::unique_ptr<NzBackground> background;
 	std::vector<NzUpdatable*> updateList;
 	std::vector<NzUpdatable*> visibleUpdateList;
-	std::vector<NzRenderer::InstancingData> instancingData;
 	NzClock updateClock;
 	NzColor ambientColor = NzColor(25,25,25);
-	NzRenderQueue renderQueue;
 	NzSceneRoot root;
-	const NzCamera* activeCamera;
-	NzVertexBuffer* skinningBuffer;
+	NzCamera* activeCamera;
 	bool update;
 	float frameTime;
 	float updateTime;
@@ -67,10 +41,7 @@ NzScene::NzScene()
 {
 	m_impl = new NzSceneImpl(this);
 	m_impl->background.reset(new NzColorBackground);
-	m_impl->skinningBuffer = new NzVertexBuffer(NzMesh::GetDeclaration(), 20000, nzBufferStorage_Hardware, nzBufferUsage_Dynamic);
-
-	if (NzRenderer::HasCapability(nzRendererCap_Instancing))
-		m_impl->instancingData.resize(NAZARA_RENDERER_INSTANCING_MAX);
+	m_impl->renderTechnique.reset(new NzForwardRenderTechnique);
 }
 
 NzScene::~NzScene()
@@ -81,7 +52,6 @@ NzScene::~NzScene()
 			static_cast<NzSceneNode*>(child)->SetScene(nullptr);
 	}
 
-	delete m_impl->skinningBuffer;
 	delete m_impl;
 }
 
@@ -92,11 +62,13 @@ void NzScene::AddToVisibilityList(NzUpdatable* object)
 
 void NzScene::Cull()
 {
-	m_impl->renderQueue.Clear();
+	NzAbstractRenderQueue* renderQueue = m_impl->renderTechnique->GetRenderQueue();
+	renderQueue->Clear();
+
 	m_impl->visibleUpdateList.clear();
 
 	// Frustum culling
-	RecursiveFrustumCull(m_impl->renderQueue, m_impl->activeCamera->GetFrustum(), &m_impl->root);
+	RecursiveFrustumCull(renderQueue, m_impl->activeCamera->GetFrustum(), &m_impl->root);
 
 	///TODO: Occlusion culling
 
@@ -105,234 +77,30 @@ void NzScene::Cull()
 
 void NzScene::Draw()
 {
-	NzRenderer::Clear(nzRendererClear_Depth);
-
-	if (m_impl->background)
-		m_impl->background->Draw(this);
-
-	LightComparator lightComparator;
-
-	// Pour les meshs squelettiques, on utilise un buffer commun
-	NzRenderer::SetVertexBuffer(m_impl->skinningBuffer);
-	for (auto matIt : m_impl->renderQueue.visibleSkeletalModels)
-	{
-		// On applique le shader du matériau
-		nzUInt32 shaderFlags = matIt.first->GetShaderFlags();
-
-		const NzShader* shader = NzShaderBuilder::Get(shaderFlags);
-
-		NzRenderer::SetShader(shader);
-		matIt.first->Apply(shader);
-
-		// Position de la caméra
-		int camPosLocation = shader->GetUniformLocation(nzShaderUniform_CameraPosition);
-		if (camPosLocation != -1)
-			shader->SendVector(camPosLocation, m_impl->activeCamera->GetPosition());
-
-		// Couleur ambiante de la scène
-		int sceneAmbientLocation = shader->GetUniformLocation(nzShaderUniform_SceneAmbient);
-		if (sceneAmbientLocation != -1)
-			shader->SendColor(sceneAmbientLocation, m_impl->ambientColor);
-
-		// Gestion des lumières (D'abord directionnelles)
-		int lightCountLocation = shader->GetUniformLocation(nzShaderUniform_LightCount);
-
-		unsigned int lightIndex = 0;
-		if (lightCountLocation != -1)
-		{
-			for (const NzLight* light : m_impl->renderQueue.directionnalLights)
-			{
-				light->Apply(shader, lightIndex++);
-				if (lightIndex > maxLights)
-					break; // N'arrivera jamais mais pourrait résulter en un bug
-			}
-		}
-
-		for (auto subMeshIt : matIt.second)
-		{
-			const NzSkeletalMesh* skeletalMesh = subMeshIt.first;
-			const NzIndexBuffer* indexBuffer = skeletalMesh->GetIndexBuffer();
-
-			unsigned int vertexCount = skeletalMesh->GetVertexCount();
-
-			// Gestion du draw call avant la boucle de rendu
-			std::function<void(nzPrimitiveType, unsigned int, unsigned int)> drawFunc;
-			nzPrimitiveType primitiveType = skeletalMesh->GetPrimitiveType();
-			unsigned int indexCount;
-			if (indexBuffer)
-			{
-				drawFunc = NzRenderer::DrawIndexedPrimitives;
-				indexCount = indexBuffer->GetIndexCount();
-				NzRenderer::SetIndexBuffer(indexBuffer);
-			}
-			else
-			{
-				drawFunc = NzRenderer::DrawPrimitives;
-				indexCount = skeletalMesh->GetVertexCount();
-			}
-
-			for (const NzRenderQueue::SkeletalData& data : subMeshIt.second)
-			{
-				// Transfert du résultat du skinning vers notre buffer hardware
-				NzBufferMapper<NzVertexBuffer> outputMapper(m_impl->skinningBuffer, nzBufferAccess_DiscardAndWrite, 0, vertexCount);
-				std::memcpy(outputMapper.GetPointer(), &data.skinnedVertices[0], vertexCount*sizeof(NzMeshVertex));
-				outputMapper.Unmap();
-
-				// Calcul des lumières les plus proches (TODO: LightManager ?)
-				if (lightCountLocation != -1)
-				{
-					auto visibleLights = m_impl->renderQueue.visibleLights;
-					lightComparator.pos = data.transformMatrix.GetTranslation();
-					std::sort(visibleLights.begin(), visibleLights.end(), lightComparator);
-
-					const unsigned int maxLightPerObject = 3; ///TODO: Config
-					unsigned int max = std::min(std::min(maxLights - lightIndex, maxLightPerObject), static_cast<unsigned int>(visibleLights.size()));
-					for (unsigned int i = 0; i < max; ++i)
-						visibleLights[i]->Apply(shader, lightIndex + i);
-
-					shader->SendInteger(lightCountLocation, lightIndex + max);
-				}
-
-				NzRenderer::SetMatrix(nzMatrixType_World, data.transformMatrix);
-
-				drawFunc(primitiveType, 0, indexCount);
-			}
-		}
-	}
-
-	// Pour les meshs statiques, on utilise le buffer du mesh
-	for (auto matIt : m_impl->renderQueue.visibleStaticModels)
-	{
-		// On applique le shader du matériau
-		nzUInt32 shaderFlags = matIt.first->GetShaderFlags();
-		if (NzRenderer::HasCapability(nzRendererCap_Instancing) && m_impl->renderQueue.visibleLights.empty())
-			shaderFlags |= nzShaderFlags_Instancing;
-
-		const NzShader* shader = NzShaderBuilder::Get(shaderFlags);
-
-		NzRenderer::SetShader(shader);
-		matIt.first->Apply(shader);
-
-		bool instancing = shader->GetFlags() & nzShaderFlags_Instancing;
-
-		// Position de la caméra
-		int camPosLocation = shader->GetUniformLocation(nzShaderUniform_CameraPosition);
-		if (camPosLocation != -1)
-			shader->SendVector(camPosLocation, m_impl->activeCamera->GetPosition());
-
-		// Couleur ambiante de la scène
-		int sceneAmbientLocation = shader->GetUniformLocation(nzShaderUniform_SceneAmbient);
-		if (sceneAmbientLocation != -1)
-			shader->SendColor(sceneAmbientLocation, m_impl->ambientColor);
-
-		// Gestion des lumières (D'abord directionnelles)
-		int lightCountLocation = shader->GetUniformLocation(nzShaderUniform_LightCount);
-
-		unsigned int lightIndex = 0;
-		if (lightCountLocation != -1)
-		{
-			for (const NzLight* light : m_impl->renderQueue.directionnalLights)
-			{
-				light->Apply(shader, lightIndex++);
-				if (lightIndex > maxLights)
-					break; // N'arrivera probablement jamais mais pourrait résulter en un bug
-			}
-		}
-
-		for (auto subMeshIt : matIt.second)
-		{
-			NzStaticMesh* staticMesh = subMeshIt.first;
-
-			const NzIndexBuffer* indexBuffer = staticMesh->GetIndexBuffer();
-			const NzVertexBuffer* vertexBuffer = staticMesh->GetVertexBuffer();
-
-			NzRenderer::SetVertexBuffer(vertexBuffer);
-
-			// Gestion du draw call avant la boucle de rendu
-			std::function<void(nzPrimitiveType, unsigned int, unsigned int)> draw;
-			std::function<void(unsigned int, nzPrimitiveType, unsigned int, unsigned int)> instancedDraw;
-			nzPrimitiveType primitiveType = staticMesh->GetPrimitiveType();
-			unsigned int indexCount;
-			if (indexBuffer)
-			{
-				draw = NzRenderer::DrawIndexedPrimitives;
-				indexCount = indexBuffer->GetIndexCount();
-				instancedDraw = NzRenderer::DrawIndexedPrimitivesInstanced;
-				NzRenderer::SetIndexBuffer(indexBuffer);
-			}
-			else
-			{
-				draw = NzRenderer::DrawPrimitives;
-				indexCount = vertexBuffer->GetVertexCount();
-				instancedDraw = NzRenderer::DrawPrimitivesInstanced;
-			}
-
-			if (instancing)
-			{
-				if (lightCountLocation != -1)
-					shader->SendInteger(lightCountLocation, lightIndex);
-
-				unsigned int count = 0;
-				for (const NzMatrix4f& matrix : subMeshIt.second)
-				{
-					m_impl->instancingData[count++].worldMatrix = matrix;
-					if (count == m_impl->instancingData.size())
-					{
-						NzRenderer::SetInstancingData(&m_impl->instancingData[0], count);
-						instancedDraw(count, primitiveType, 0, indexCount);
-
-						count = 0;
-					}
-				}
-
-				if (count > 0)
-				{
-					NzRenderer::SetInstancingData(&m_impl->instancingData[0], count);
-					instancedDraw(count, primitiveType, 0, indexCount);
-				}
-			}
-			else
-			{
-				for (const NzMatrix4f& matrix : subMeshIt.second)
-				{
-					// Calcul des lumières les plus proches (TODO: LightManager ?)
-					if (lightCountLocation != -1)
-					{
-						std::vector<const NzLight*>& visibleLights = m_impl->renderQueue.visibleLights;
-						lightComparator.pos = matrix.GetTranslation();
-						std::sort(visibleLights.begin(), visibleLights.end(), lightComparator);
-
-						const unsigned int maxLightPerObject = 3; ///TODO: Config
-						unsigned int max = std::min(std::min(maxLights - lightIndex, maxLightPerObject), static_cast<unsigned int>(visibleLights.size()));
-						for (unsigned int i = 0; i < max; ++i)
-							visibleLights[i]->Apply(shader, lightIndex + i);
-
-						shader->SendInteger(lightCountLocation, lightIndex + max);
-					}
-
-					NzRenderer::SetMatrix(nzMatrixType_World, matrix);
-
-					draw(primitiveType, 0, indexCount);
-				}
-			}
-		}
-	}
-
-	// Les autres drawables (Exemple: Terrain)
-	for (const NzDrawable* drawable : m_impl->renderQueue.otherDrawables)
-		drawable->Draw();
+	m_impl->renderTechnique->Clear(this);
+	m_impl->renderTechnique->Draw(this);
 }
 
-const NzCamera* NzScene::GetActiveCamera() const
+NzCamera* NzScene::GetActiveCamera() const
 {
 	return m_impl->activeCamera;
 }
 
+NzColor NzScene::GetAmbientColor() const
+{
+	return m_impl->ambientColor;
+}
+
 NzBackground* NzScene::GetBackground() const
 {
 	return m_impl->background.get();
 }
 
+NzAbstractRenderTechnique* NzScene::GetRenderTechnique() const
+{
+	return m_impl->renderTechnique.get();
+}
+
 NzSceneNode& NzScene::GetRoot() const
 {
 	return m_impl->root;
@@ -371,6 +139,11 @@ void NzScene::SetBackground(NzBackground* background)
 	m_impl->background.reset(background);
 }
 
+void NzScene::SetRenderTechnique(NzAbstractRenderTechnique* renderTechnique)
+{
+	m_impl->renderTechnique.reset(renderTechnique);
+}
+
 void NzScene::SetUpdatePerSecond(unsigned int updatePerSecond)
 {
 	m_impl->updatePerSecond = updatePerSecond;
@@ -419,7 +192,7 @@ NzScene::operator const NzSceneNode&() const
 	return m_impl->root;
 }
 
-void NzScene::RecursiveFrustumCull(NzRenderQueue& renderQueue, const NzFrustumf& frustum, NzNode* node)
+void NzScene::RecursiveFrustumCull(NzAbstractRenderQueue* renderQueue, const NzFrustumf& frustum, NzNode* node)
 {
 	for (NzNode* child : node->GetChilds())
 	{
@@ -437,7 +210,7 @@ void NzScene::RecursiveFrustumCull(NzRenderQueue& renderQueue, const NzFrustumf&
 	}
 }
 
-void NzScene::SetActiveCamera(const NzCamera* camera)
+void NzScene::SetActiveCamera(NzCamera* camera)
 {
 	m_impl->activeCamera = camera;
 }

src/Nazara/Graphics/SceneRoot.cpp

@@ -13,7 +13,7 @@ NzSceneRoot::NzSceneRoot(NzScene* scene)
 
 NzSceneRoot::~NzSceneRoot() = default;
 
-void NzSceneRoot::AddToRenderQueue(NzRenderQueue& renderQueue) const
+void NzSceneRoot::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
 {
 	NazaraUnused(renderQueue);