76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
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/**
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* =========================================================================
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* File : InstancingModelRenderer.h
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* Project : Pyrogenesis
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* Description : Special BatchModelRenderer that only works for non-animated
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* : models, but performs all transformation in a vertex shader.
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*
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* @author Nicolai Hähnle <nicolai@wildfiregames.com>
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* =========================================================================
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*/
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#ifndef INSTANCINGMODELRENDERER_H
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#define INSTANCINGMODELRENDERER_H
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#include "renderer/ModelRenderer.h"
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struct InstancingModelRendererInternals;
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/**
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* Class InstancingModelRenderer: Render non-animated (but potentially
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* moving models) using vertex shaders.
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*
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* Use the RenderModifier to enable normal model rendering as well
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* as player colour rendering using this model renderer.
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*
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* @note You should verify hardware capabilities using IsAvailable
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* before creating this model renderer.
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*/
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class InstancingModelRenderer : public BatchModelRenderer
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{
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public:
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InstancingModelRenderer();
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~InstancingModelRenderer();
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/**
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* Render: Render submitted models using the given RenderModifier
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* for fragment stages.
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*
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* preconditions : PrepareModels must be called before Render.
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*
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* @param modifier The RenderModifier that specifies the fragment stage.
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* @param flags If flags is 0, all submitted models are rendered.
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* If flags is non-zero, only models that contain flags in their
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* CModel::GetFlags() are rendered.
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*/
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void Render(RenderModifierPtr modifier, u32 flags);
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/**
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* IsAvailable: Determines whether this model renderer can be used
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* given the OpenGL implementation specific limits.
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*
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* @note Do not attempt to construct a InstancingModelRenderer object
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* when IsAvailable returns false.
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*
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* @return true if the OpenGL implementation can support this
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* model renderer.
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*/
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static bool IsAvailable();
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protected:
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// Implementations
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void* CreateModelData(CModel* model);
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void UpdateModelData(CModel* model, void* data, u32 updateflags);
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void DestroyModelData(CModel* model, void* data);
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void PrepareModelDef(CModelDefPtr def);
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void PrepareTexture(CTexture* texture);
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void RenderModel(CModel* model, void* data);
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private:
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InstancingModelRendererInternals* m;
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};
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#endif // INSTANCINGMODELRENDERER_H
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