Shader.h

// Shader.h
//
    
namespace nkGraphics
{
    class Shader : public Resource, public nkExport::Exportable
    {       
        public :
        
            virtual ~Shader () ;
 
            // Getters
            unsigned int getId () const ;
            bool isUsableScene () const ;
            bool isUsablePostProcess () const ;
            bool isUsableCompute () const ;
            bool isUsableGeometry () const ;
            bool isUsableRaytracing () const ;
            Program* getProgram () const ;
            unsigned int getMaxInstancePerBuffer () const ;
            bool getIsBuiltInShader () const ;
            bool getDirtyInstanceData () const ;
 
            // Setters
            virtual void setProgram (Program* prog) ;
            void setId (unsigned int id) ;
            virtual void setMaxInstancePerBuffer (unsigned int value) ;
            void setIsBuiltInShader (bool value) ;
            void setDirtyInstanceData (bool value) ;
 
            virtual bool load () override ;
            virtual void unload () override ;
            void reset () ;
 
            // Constant buffers
            ConstantBuffer* addConstantBuffer (unsigned int registerSlot, unsigned int space = 0) ;
            ConstantBuffer* getConstantBuffer (unsigned int slot, unsigned int space = 0) const ;
            void changeConstantBufferSlot (unsigned int fromSlot, unsigned int toSlot, unsigned int space = 0) ;
            void changeConstantBufferSpace (unsigned int fromSpace, unsigned int toSpace, unsigned int slot) ;
            void deleteConstantBuffer (unsigned int slot, unsigned int space = 0) ;
            const ConstantBufferResourceDesc* getConstantBufferPerIndex (unsigned int index) const ;
 
            // Textures
            void addTexture (ShaderResource* texOrUav, unsigned int registerSlot, unsigned int space = 0) ;
            ShaderResource* getTexture (unsigned int slot, unsigned int space = 0) const ;
            void setTexture (ShaderResource* texOrUav, unsigned int slot, unsigned int space = 0) ;
            void changeTextureSlot (unsigned int fromSlot, unsigned int toSlot, unsigned int space = 0) ;
            void changeTextureSpace (unsigned int fromSpace, unsigned int toSpace, unsigned int slot) ;
            void forgetTexture (unsigned int slot, unsigned int space = 0) ;
            const ShaderResourceDesc* getTexturePerIndex (unsigned int index) const ;
 
            // Samplers
            void addSampler (Sampler* sampler, unsigned int registerSlot, unsigned int space = 0) ;
            Sampler* getSampler (unsigned int slot, unsigned int space = 0) const ;
            void setSampler (Sampler* sampler, unsigned int slot, unsigned int space = 0) ;
            void changeSamplerSlot (unsigned int fromSlot, unsigned int toSlot, unsigned int space = 0) ;
            void changeSamplerSpace (unsigned int fromSpace, unsigned int toSpace, unsigned int slot = 0) ;
            void forgetSampler (unsigned int slot, unsigned int space = 0) ;
            const SamplerResourceDesc* getSamplerPerIndex (unsigned int index) const ;
 
            // UAV
            void addUavBuffer (Buffer* buffer, unsigned int registerSlot, unsigned int space = 0) ;
            Buffer* getUavBuffer (unsigned int slot, unsigned int space = 0) const ;
            void setUavBuffer (Buffer* buffer, unsigned int slot, unsigned int space = 0) ;
            void changeUavBufferSlot (unsigned int fromSlot, unsigned int toSlot, unsigned int space = 0) ;
            void changeUavBufferSpace (unsigned int fromSpace, unsigned int toSpace, unsigned int slot = 0) ;
            void forgetUavBuffer (unsigned int slot, unsigned int space = 0) ;
            const UavResourceDesc* getUavBufferPerIndex (unsigned int index) const ;
 
            // Instance data
            virtual ShaderInstanceMemorySlot* addInstanceMemorySlot () ;
            virtual ShaderInstanceMemorySlot* getInstanceMemorySlot (unsigned int index) ;
            virtual ShaderInstanceMemorySlot* getInstanceMemorySlotReadOnly (unsigned int index) const ;
            virtual void changeInstanceMemorySlotOrder (unsigned int fromIndex, unsigned int toIndex) ;
            virtual void deleteInstanceMemorySlot (unsigned int index) ;
            bool hasInstanceSlotSemanticName (nkMemory::StringView name) const ;
 
            // Import / export
            virtual void exportClassToTree (nkExport::Node* rootNode) override ;
            virtual void importClassFromTree (nkExport::Node* rootNode) override ;
 
        public :
 
            // Statics
            static nkMemory::UniquePtr<Shader> create (System* system = nullptr) ;
    } ;
}