texture.h

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#ifndef _ANTI_TEXTURE_
#define _ANTI_TEXTURE_

#include "antistd.h"

typedef struct aeImage
{
        uint width;
        uint height;
        uint components;
        GLenum format;
        GLenum type;
        void* data;
} aeImage;

typedef enum
{
        AE_TEX2D,
        AE_TEX1D,       
        //AE_TEX3D,     //
        //AE_NORMAL,    // http://www.paulsprojects.net/tutorials/simplebump/simplebump.html
        //AE_BUMP,      // http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=22
        AE_SPHERE,      // http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=23
        //AE_CUBE,      // http://www.cs.ualberta.ca/~ghali/courses/texts/redbook/html/09-07-cubemap.c.html
        //AE_PARALLAX,  // does it need to be separate from normal mapping?
        AE_SHADER       // 
} aeTextureType;

typedef struct aeTexture
{
        uint width;
        uint height;
        uint components;
        GLenum format;
        GLenum type;
        uint id;
        aeTextureType textype;
} aeTexture;

typedef struct aeTextureEntry
{
        char* name;
        aeTexture* tex;
        struct aeTextureEntry* next;
} aeTextureEntry;

typedef struct aeBMPHeader
{
        uint size;
        uint rsv;
        uint offset;
        uint hdrSize;
        uint width;
        uint height;
        short planes;
        short bitcount;
        uint compression;
        uint imageSize;
        uint xRes;
        uint yRes;
        uint clrUsed;
        uint clrImpt;
} aeBMPHeader;

typedef struct aePCXHeader
{
        byte id;
        byte ver;
        byte enc;
        byte bpp;
        short xmin;
        short ymin;
        short xmax;
        short ymax;
        short hdpi;
        short vdpi;
        byte cmap[48];
        byte rsv;
        byte planes;
        short linesize;
        short palette;
        short hssize;
        short vssize;
        byte filler[54];
} aePCXHeader;

typedef struct aeTGAHeader
{
        byte idsize;
        byte cmapType;
        byte imType;
        ushort cmapStart;
        ushort cmapLen;
        byte cmapBits;
        short xstart;
        short ystart;
        ushort width;
        ushort height;
        byte bits;
        byte descriptor;
} aeTGAHeader;

typedef struct aeWALHeader
{
        char name[32];
        uint width;
        uint height;
        int offset[4];
        char next_name[32];
        uint flags;
        uint contents;
        uint value;
} aeWALHeader;

aeTexture* aeLoadTexture(const char*);
aeTexture* aeLoadGLSLShader(const char*, const char*);
aeTexture* aeLoadMgdTexture(const char*);
aeTexture* aeLoadNamedMgdTexture(const char*,const char*);
aeTexture* aeGetNamedTexture(const char*);
void aeUnloadTexture(aeTexture*);
void aeUnloadNamedTexture(const char*);
void aeUnloadAllTextures();

void aeRenderToTexture(aeTexture*,void(*)(void));
void aeRenderToSubtexture(aeTexture*,void(*)(void),uint,uint,uint,uint);

#ifdef _ANTI_SDL_IMAGE
aeImage aeLoadSDL(const char*);
#endif
aeImage aeLoadPNG(const char*);
aeImage aeLoadBMP(const char*);
aeImage aeLoadPCX(const char*);
aeImage aeLoadTGA(const char*);
aeImage aeLoadJPG(const char*);
aeImage aeLoadWAL(const char*);
aeImage aeLoadRaw(const char*,uint,uint,uint); // width,height,bpp
aeTexture* aeMakeTexture(byte,byte,byte,byte);
aeTexture* __aeBuildMipmaps(aeImage*,aeTextureType);

void aeBindTexture(aeTexture*);
void aeUnbindTexture(aeTexture*);
void aeUnloadTextureData(aeTexture*);

aeTextureEntry* __aeTexRoot;
aeTextureEntry* __aeTexEnd;

#endif

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