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Added new RenderTechnique system 

Former-commit-id: 6d65a4537232bc705333c696f2478d47f16e074a
This commit is contained in:
Lynix 2013-10-09 10:11:47 +02:00
parent 6e20e7095b
commit 0f382fd1ad
8 changed files with 57 additions and 8 deletions
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6
include/Nazara/Graphics/AbstractRenderTechnique.hpp
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@ -9,7 +9,9 @@
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/NonCopyable.hpp>
#include <Nazara/Core/String.hpp>
#include <Nazara/Graphics/AbstractRenderQueue.hpp>
#include <Nazara/Graphics/Enums.hpp>
class NzBackground;
class NzScene;
@ -21,11 +23,13 @@ class NAZARA_API NzAbstractRenderTechnique : NzNonCopyable
virtual ~NzAbstractRenderTechnique();
virtual void Clear(const NzScene* scene) = 0;
virtual void Draw(const NzScene* scene) = 0;
virtual bool Draw(const NzScene* scene) = 0;
virtual void EnableInstancing(bool instancing);
virtual NzString GetName() const;
virtual NzAbstractRenderQueue* GetRenderQueue() = 0;
virtual nzRenderTechniqueType GetType() const = 0;
virtual bool IsInstancingEnabled() const;

11
include/Nazara/Graphics/Enums.hpp
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@ -26,6 +26,17 @@ enum nzLightType
nzLightType_Max = nzLightType_Spot
};
enum nzRenderTechniqueType
{
nzRenderTechniqueType_AdvancedForward, // NzAdvancedForwardRenderTechnique
nzRenderTechniqueType_BasicForward, // NzBasicForwardRenderTechnique
nzRenderTechniqueType_DeferredShading, // NzDeferredRenderTechnique
nzRenderTechniqueType_LightPrePass, // NzLightPrePassRenderTechnique
nzRenderTechniqueType_User,
nzRenderTechniqueType_Max = nzRenderTechniqueType_User
};
enum nzSceneNodeType
{
nzSceneNodeType_Light, // NzLight

3
include/Nazara/Graphics/ForwardRenderTechnique.hpp
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@ -21,10 +21,11 @@ class NAZARA_API NzForwardRenderTechnique : public NzAbstractRenderTechnique
~NzForwardRenderTechnique();
void Clear(const NzScene* scene);
void Draw(const NzScene* scene);
bool Draw(const NzScene* scene);
unsigned int GetMaxLightsPerObject() const;
NzAbstractRenderQueue* GetRenderQueue() override;
nzRenderTechniqueType GetType() const override;
void SetMaxLightsPerObject(unsigned int lightCount);

6
src/Nazara/Graphics/AbstractRenderTechnique.cpp
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@ -4,6 +4,7 @@
#include <Nazara/Graphics/AbstractRenderTechnique.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Graphics/RenderTechniques.hpp>
#include <Nazara/Renderer/Renderer.hpp>
#include <Nazara/Graphics/Debug.hpp>
@ -30,6 +31,11 @@ void NzAbstractRenderTechnique::EnableInstancing(bool instancing)
NazaraError("NazaraRenderer does not support instancing");
}
NzString NzAbstractRenderTechnique::GetName() const
{
return NzRenderTechniques::ToString(GetType());
}
bool NzAbstractRenderTechnique::IsInstancingEnabled() const
{
return m_instancingEnabled;

9
src/Nazara/Graphics/ForwardRenderTechnique.cpp
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@ -74,7 +74,7 @@ void NzForwardRenderTechnique::Clear(const NzScene* scene)
background->Draw(scene);
}
void NzForwardRenderTechnique::Draw(const NzScene* scene)
bool NzForwardRenderTechnique::Draw(const NzScene* scene)
{
m_directionalLights.SetLights(&m_renderQueue.directionalLights[0], m_renderQueue.directionalLights.size());
m_lights.SetLights(&m_renderQueue.lights[0], m_renderQueue.lights.size());
@ -93,6 +93,8 @@ void NzForwardRenderTechnique::Draw(const NzScene* scene)
for (const NzDrawable* drawable : m_renderQueue.otherDrawables)
drawable->Draw();
return true;
// Les billboards
/*if (!m_renderQueue.billboards.empty())
{
@ -149,6 +151,11 @@ NzAbstractRenderQueue* NzForwardRenderTechnique::GetRenderQueue()
return &m_renderQueue;
}
nzRenderTechniqueType NzForwardRenderTechnique::GetType() const
{
return nzRenderTechniqueType_BasicForward;
}
void NzForwardRenderTechnique::SetMaxLightsPerObject(unsigned int lightCount)
{
#if NAZARA_GRAPHICS_SAFE

5
src/Nazara/Graphics/Graphics.cpp
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@ -6,6 +6,8 @@
#include <Nazara/Core/Error.hpp>
#include <Nazara/Core/Log.hpp>
#include <Nazara/Graphics/Config.hpp>
#include <Nazara/Graphics/ForwardRenderTechnique.hpp>
#include <Nazara/Graphics/RenderTechniques.hpp>
#include <Nazara/Graphics/Loaders/Mesh.hpp>
#include <Nazara/Graphics/Loaders/OBJ.hpp>
#include <Nazara/Renderer/Renderer.hpp>
@ -33,6 +35,9 @@ bool NzGraphics::Initialize()
// Loader générique
NzLoaders_Mesh_Register();
// RenderTechniques
NzRenderTechniques::Register(NzRenderTechniques::ToString(nzRenderTechniqueType_BasicForward), 0, []() -> NzAbstractRenderTechnique* { return new NzForwardRenderTechnique; });
NazaraNotice("Initialized: Graphics module");
return true;

20
src/Nazara/Graphics/Scene.cpp
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@ -5,9 +5,10 @@
#include <Nazara/Graphics/Scene.hpp>
#include <Nazara/Core/Clock.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Core/ErrorFlags.hpp>
#include <Nazara/Graphics/Camera.hpp>
#include <Nazara/Graphics/ColorBackground.hpp>
#include <Nazara/Graphics/ForwardRenderTechnique.hpp>
#include <Nazara/Graphics/RenderTechniques.hpp>
#include <Nazara/Graphics/SceneRoot.hpp>
#include <Nazara/Renderer/Config.hpp>
#include <functional>
@ -34,6 +35,7 @@ struct NzSceneImpl
bool update;
float frameTime;
float updateTime;
int renderTechniqueRanking;
unsigned int updatePerSecond = 60;
};
@ -41,7 +43,7 @@ NzScene::NzScene()
{
m_impl = new NzSceneImpl(this);
m_impl->background.reset(new NzColorBackground);
m_impl->renderTechnique.reset(new NzForwardRenderTechnique);
m_impl->renderTechnique.reset(NzRenderTechniques::GetByRanking(-1, &m_impl->renderTechniqueRanking));
}
NzScene::~NzScene()
@ -94,9 +96,21 @@ void NzScene::Draw()
}
#endif
m_impl->renderTechnique->Clear(this);
m_impl->viewer->ApplyView();
try
{
NzErrorFlags errFlags(nzErrorFlag_ThrowException);
m_impl->renderTechnique->Clear(this);
m_impl->renderTechnique->Draw(this);
}
catch (const std::exception& e)
{
NzString oldName = m_impl->renderTechnique->GetName();
m_impl->renderTechnique.reset(NzRenderTechniques::GetByRanking(m_impl->renderTechniqueRanking-1, &m_impl->renderTechniqueRanking));
NazaraError("Render technique \"" + oldName + "\" failed, switched to \"" + m_impl->renderTechnique->GetName() + '"');
return;
}
}
NzColor NzScene::GetAmbientColor() const

3
src/Nazara/Graphics/SkyboxBackground.cpp
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@ -223,7 +223,6 @@ void NzSkyboxBackground::Draw(const NzScene* scene) const
skyboxMatrix.SetTranslation(NzVector3f::Zero());
NzRenderer::SetIndexBuffer(m_indexBuffer);
NzRenderer::SetMatrix(nzMatrixType_Projection, viewer->GetProjectionMatrix());
NzRenderer::SetMatrix(nzMatrixType_View, skyboxMatrix);
NzRenderer::SetMatrix(nzMatrixType_World, NzMatrix4f::Scale(NzVector3f(viewer->GetZNear())));
NzRenderer::SetRenderStates(states);
@ -233,6 +232,8 @@ void NzSkyboxBackground::Draw(const NzScene* scene) const
NzRenderer::SetVertexBuffer(m_vertexBuffer);
NzRenderer::DrawIndexedPrimitives(nzPrimitiveMode_TriangleList, 0, 36);
NzRenderer::SetMatrix(nzMatrixType_View, viewer->GetViewMatrix());
}
nzBackgroundType NzSkyboxBackground::GetBackgroundType() const