F:/My Projects/LSEngine/Modules/LSGraphicsLib/Src/Texture/LSGTextureBase.h

#ifndef __LSG_TEXTUREBASE_H__
#define __LSG_TEXTUREBASE_H__

#include "../LSGGraphicsLib.h"
#include "../RenderTarget/LSGRenderTargetInterface.h"
#include "Matrix/LSMMatrix4x4.h"

namespace lsg {

        // == Enumerations.
        enum LSG_WRAP_MODE {
                LSG_WM_CLAMP,
                LSG_WM_REPEAT,
                LSG_WM_MIRROR,
        };

        enum LSG_MAPPING_TYPE {
                LSG_MT_UV,
                LSG_MT_XY,
                LSG_MT_YZ,
                LSG_MT_XZ,
                LSG_MT_SPERICAL,
                LSG_MT_ENVIRONMENT,
                LSG_MT_CYLINDRICAL,
                LSG_MT_PROJ,
        };

        enum LSG_TEXTURE_USAGE_FORMAT {
                LSG_UF_NORMAL,                                                  
                LSG_UF_CUBE_MAP,                                                
                LSG_UF_SHADOW_MAP,                                              
                LSG_UF_COLOR_MAP,                                               
                LSG_UF_NORMAL_MAP,                                              
        };

        enum LSG_TEXTURE_USAGE_TYPE {
                LSG_TU_SETONLY                                                  = (1 << 0UL),                                                   
                LSG_TU_MODIFYABLE                                               = (1 << 1UL),                                                   
                LSG_TU_RENDERTARGET                                             = (1 << 2UL),                                                   
                LSG_TU_BITS                                                             = 3,                                                                    
        };

        enum LSG_TEXTURE_FILTER_TYPE {
                LSG_TFT_ANISOTROPIC                                             = (1 << 3UL),                                                   
                LSG_TFT_LINEAR                                                  = (1 << 4UL),                                                   
                LSG_TFT_NEAREST                                                 = (1 << 5UL),                                                   
        };

        enum LSG_TEXTURE_BLENDING_MODES {
                LSG_TBM_TRANSLUCENT                                             = 0UL,                                                                  
                LSG_TBM_ADDITIVE                                                = 1UL,                                                                  
                LSG_TBM_MODULATE                                                = 2UL,                                                                  
                LSG_TBM_MODULATE2                                               = 3UL,                                                                  
                LSG_TBM_OVER                                                    = 4UL,                                                                  
        };

        enum LSG_TEXTURE_METRICS {
                LSG_TM_MAX_SLOTS                                                = 8UL,                                                                  
        };


        // == Types.
        typedef struct LSG_TEX_PARMS {
                LSUINT32                                                                ui32Usage;

                LSBOOL                                                                  bMipMaps;

                LSG_WRAP_MODE                                                   wmWrapMode;
        } * LPLSG_TEX_PARMS, * const LPCLSG_TEX_PARMS;


        class CTextureBase : public CRenderTargetInterface {
                friend class                                                    COpenGlRenderTarget;
        public :
                // == Various constructors.
                LSE_CALLCTOR                                                    CTextureBase();
                virtual LSE_CALLCTOR                                    ~CTextureBase();


                // == Functions.
                LSE_INLINE LSG_TEXTURE_USAGE_FORMAT LSE_CALL
                                                                                                GetUsageFormat() const;

                LSE_INLINE LSUINT32 LSE_CALL                    GetUsageType() const;

                virtual LSVOID LSE_CALL                                 Reset();

                virtual LSBOOL LSE_CALL                                 Activate( LSUINT32 _ui32Slot );

                LSE_INLINE LSBOOL LSE_CALL                              Finalized() const;


                // == Members.
                static const LSG_TEX_PARMS                              m_tpStandardPreset;

                static const LSG_TEX_PARMS                              m_tpStandardHighQualityPreset;

                static const LSG_TEX_PARMS                              m_tpSpritePreset;

                static const LSG_TEX_PARMS                              m_tpSpriteSoftPreset;

                static CMatrix4x4                                               m_mTextureMatrix[LSG_MAX_TEXTURE_UNITS];

        protected :
                // == Members.
                LSUINT32                                                                m_ui32PhysicalWidth;

                LSUINT32                                                                m_ui32PhysicalHeight;

                LSG_TEXTURE_USAGE_FORMAT                                m_tufUsageFormat;

                LSG_WRAP_MODE                                                   m_wmWrap;

                LSUINT32                                                                m_ui32Usage;

                LSBOOL                                                                  m_bMipMaps;

                LSUINT32                                                                m_ui32Lock;

                LSBOOL                                                                  m_bFinalized;

                static LSUINT32                                                 m_ui32LastTextures[LSG_TM_MAX_SLOTS];

                static LSUINT32                                                 m_ui32LastCubeTextures[LSG_TM_MAX_SLOTS];
        };


        // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
        // DEFINITIONS
        // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
        // == Functions.
        LSE_INLINE LSG_TEXTURE_USAGE_FORMAT LSE_CALL CTextureBase::GetUsageFormat() const {
                return m_tufUsageFormat;
        }

        LSE_INLINE LSUINT32 LSE_CALL CTextureBase::GetUsageType() const {
                return m_ui32Usage;
        }

        LSE_INLINE LSBOOL LSE_CALL CTextureBase::Finalized() const {
                return m_bFinalized;
        }

}       // namespace lsg

#endif  // __LSG_TEXTUREBASE_H__