]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_textures.c
eliminated qbyte type, now uses unsigned char throughout the engine for this purpose
[xonotic/darkplaces.git] / gl_textures.c
index a9842972b69bf7abbc9ebd1677ac3755ce643dc3..1a2889e7a74c7cf40d1a35b3b83cdc08b109aa9f 100644 (file)
@@ -1,19 +1,20 @@
 
 #include "quakedef.h"
+#include "image.h"
+#include "jpeg.h"
 
-cvar_t r_max_size = {CVAR_SAVE, "r_max_size", "2048"};
-cvar_t r_max_scrapsize = {CVAR_SAVE, "r_max_scrapsize", "256"};
-cvar_t r_picmip = {CVAR_SAVE, "r_picmip", "0"};
+cvar_t gl_max_size = {CVAR_SAVE, "gl_max_size", "2048"};
+cvar_t gl_max_scrapsize = {CVAR_SAVE, "gl_max_scrapsize", "256"};
+cvar_t gl_picmip = {CVAR_SAVE, "gl_picmip", "0"};
 cvar_t r_lerpimages = {CVAR_SAVE, "r_lerpimages", "1"};
 cvar_t r_precachetextures = {CVAR_SAVE, "r_precachetextures", "1"};
+cvar_t  gl_texture_anisotropy = {CVAR_SAVE, "gl_texture_anisotropy", "1"};
 
 int            gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
 int            gl_filter_mag = GL_LINEAR;
 
 
 static mempool_t *texturemempool;
-static mempool_t *texturedatamempool;
-static mempool_t *textureprocessingmempool;
 
 // note: this must not conflict with TEXF_ flags in r_textures.h
 // cleared when a texture is uploaded
@@ -26,48 +27,61 @@ static mempool_t *textureprocessingmempool;
 // size of images which hold fragment textures, ignores picmip and max_size
 static int block_size;
 
-// really this number only governs gltexnuminuse
-#define MAX_GLTEXTURES 65536
-
-// since there is only one set of GL texture numbers, we have to track them
-// globally, everything else is per texture pool
-static qbyte *gltexnuminuse;
-
-typedef struct
+typedef struct textypeinfo_s
 {
        int textype;
        int inputbytesperpixel;
        int internalbytesperpixel;
        int glformat;
        int glinternalformat;
-       int align;
 }
 textypeinfo_t;
 
-static textypeinfo_t textype_qpalette       = {TEXTYPE_QPALETTE, 1, 4, GL_RGBA, 3, 1};
-static textypeinfo_t textype_rgb            = {TEXTYPE_RGB     , 3, 3, GL_RGB , 3, 1};
-static textypeinfo_t textype_rgba           = {TEXTYPE_RGBA    , 4, 4, GL_RGBA, 3, 1};
-static textypeinfo_t textype_qpalette_alpha = {TEXTYPE_QPALETTE, 1, 4, GL_RGBA, 4, 1};
-static textypeinfo_t textype_rgba_alpha     = {TEXTYPE_RGBA    , 4, 4, GL_RGBA, 4, 1};
+static textypeinfo_t textype_palette       = {TEXTYPE_PALETTE, 1, 4, GL_RGBA   , 3};
+static textypeinfo_t textype_rgb           = {TEXTYPE_RGB    , 3, 3, GL_RGB    , 3};
+static textypeinfo_t textype_rgba          = {TEXTYPE_RGBA   , 4, 4, GL_RGBA   , 3};
+static textypeinfo_t textype_palette_alpha = {TEXTYPE_PALETTE, 1, 4, GL_RGBA   , 4};
+static textypeinfo_t textype_rgba_alpha    = {TEXTYPE_RGBA   , 4, 4, GL_RGBA   , 4};
+static textypeinfo_t textype_dsdt          = {TEXTYPE_DSDT   , 2, 2, GL_DSDT_NV, GL_DSDT8_NV};
 
 // a tiling texture (most common type)
 #define GLIMAGETYPE_TILE 0
 // a fragments texture (contains one or more fragment textures)
 #define GLIMAGETYPE_FRAGMENTS 1
 
+#define GLTEXTURETYPE_1D 0
+#define GLTEXTURETYPE_2D 1
+#define GLTEXTURETYPE_3D 2
+#define GLTEXTURETYPE_CUBEMAP 3
+
+static int gltexturetypeenums[4] = {GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_TEXTURE_CUBE_MAP_ARB};
+static int gltexturetypebindingenums[4] = {GL_TEXTURE_BINDING_1D, GL_TEXTURE_BINDING_2D, GL_TEXTURE_BINDING_3D, GL_TEXTURE_BINDING_CUBE_MAP_ARB};
+static int gltexturetypedimensions[4] = {1, 2, 3, 2};
+static int cubemapside[6] =
+{
+       GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
+       GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
+       GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
+       GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
+       GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
+       GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
+};
+
 // a gltextureimage can have one (or more if fragments) gltextures inside
 typedef struct gltextureimage_s
 {
        struct gltextureimage_s *imagechain;
        int texturecount;
        int type; // one of the GLIMAGETYPE_ values
+       int texturetype; // one of the GLTEXTURETYPE_ values
+       int sides; // 1 or 6 depending on texturetype
        int texnum; // GL texture slot number
-       int width, height;
+       int width, height, depth; // 3D texture support
        int bytesperpixel; // bytes per pixel
        int glformat; // GL_RGB or GL_RGBA
        int glinternalformat; // 3 or 4
        int flags;
-       short *blockallocation; // fragment allocation
+       short *blockallocation; // fragment allocation (2D only)
 }
 gltextureimage_t;
 
@@ -84,18 +98,23 @@ typedef struct gltexture_s
        // pointer into gltextureimage array
        gltextureimage_t *image;
        // name of the texture (this might be removed someday), no duplicates
-       char *identifier;
+       char identifier[32];
        // location in the image, and size
-       int x, y, width, height;
-       // copy of the original texture supplied to the upload function, for re-uploading or deferred uploads (non-precached)
-       qbyte *inputtexels;
-       // to identify cache mismatchs (this might be removed someday)
-       int crc;
+       int x, y, z, width, height, depth;
+       // copy of the original texture(s) supplied to the upload function, for
+       // delayed uploads (non-precached)
+       unsigned char *inputtexels;
+       // original data size in *inputtexels
+       int inputdatasize;
        // flags supplied to the LoadTexture function
        // (might be altered to remove TEXF_ALPHA), and GLTEXF_ private flags
        int flags;
        // pointer to one of the textype_ structs
        textypeinfo_t *textype;
+       // one of the GLTEXTURETYPE_ values
+       int texturetype;
+       // palette if the texture is TEXTYPE_PALETTE
+       const unsigned int *palette;
 }
 gltexture_t;
 
@@ -103,7 +122,7 @@ gltexture_t;
 
 typedef struct gltexturepool_s
 {
-       int sentinel;
+       unsigned int sentinel;
        struct gltextureimage_s *imagechain;
        struct gltexture_s *gltchain;
        struct gltexturepool_s *next;
@@ -112,9 +131,9 @@ gltexturepool_t;
 
 static gltexturepool_t *gltexturepoolchain = NULL;
 
-static qbyte *resizebuffer = NULL, *colorconvertbuffer;
+static unsigned char *resizebuffer = NULL, *colorconvertbuffer;
 static int resizebuffersize = 0;
-static qbyte *texturebuffer;
+static unsigned char *texturebuffer;
 static int texturebuffersize = 0;
 
 static int realmaxsize = 0;
@@ -125,8 +144,8 @@ static textypeinfo_t *R_GetTexTypeInfo(int textype, int flags)
        {
                switch(textype)
                {
-               case TEXTYPE_QPALETTE:
-                       return &textype_qpalette_alpha;
+               case TEXTYPE_PALETTE:
+                       return &textype_palette_alpha;
                case TEXTYPE_RGB:
                        Host_Error("R_GetTexTypeInfo: RGB format has no alpha, TEXF_ALPHA not allowed\n");
                        return NULL;
@@ -141,12 +160,14 @@ static textypeinfo_t *R_GetTexTypeInfo(int textype, int flags)
        {
                switch(textype)
                {
-               case TEXTYPE_QPALETTE:
-                       return &textype_qpalette;
+               case TEXTYPE_PALETTE:
+                       return &textype_palette;
                case TEXTYPE_RGB:
                        return &textype_rgb;
                case TEXTYPE_RGBA:
                        return &textype_rgba;
+               case TEXTYPE_DSDT:
+                       return &textype_dsdt;
                default:
                        Host_Error("R_GetTexTypeInfo: unknown texture format\n");
                        return NULL;
@@ -191,7 +212,6 @@ void R_FreeTexture(rtexture_t *rt)
 {
        gltexture_t *glt, **gltpointer;
        gltextureimage_t *image, **gltimagepointer;
-       GLuint texnum;
 
        glt = (gltexture_t *)rt;
        if (glt == NULL)
@@ -206,53 +226,36 @@ void R_FreeTexture(rtexture_t *rt)
        // note: if freeing a fragment texture, this will not make the claimed
        // space available for new textures unless all other fragments in the
        // image are also freed
-       image = glt->image;
-       image->texturecount--;
-       if (image->texturecount < 1)
+       if (glt->image)
        {
-               for (gltimagepointer = &glt->pool->imagechain;*gltimagepointer && *gltimagepointer != image;gltimagepointer = &(*gltimagepointer)->imagechain);
-               if (*gltimagepointer == image)
-                       *gltimagepointer = image->imagechain;
-               else
-                       Host_Error("R_FreeTexture: image not linked in pool\n");
-               if (image->texnum)
+               image = glt->image;
+               image->texturecount--;
+               if (image->texturecount < 1)
                {
-                       texnum = image->texnum;
-                       gltexnuminuse[image->texnum] = 0;
-                       qglDeleteTextures(1, &texnum);
+                       for (gltimagepointer = &glt->pool->imagechain;*gltimagepointer && *gltimagepointer != image;gltimagepointer = &(*gltimagepointer)->imagechain);
+                       if (*gltimagepointer == image)
+                               *gltimagepointer = image->imagechain;
+                       else
+                               Host_Error("R_FreeTexture: image not linked in pool\n");
+                       if (image->texnum)
+                               qglDeleteTextures(1, (GLuint *)&image->texnum);
+                       if (image->blockallocation)
+                               Mem_Free(image->blockallocation);
+                       Mem_Free(image);
                }
-               if (image->blockallocation)
-                       Mem_Free(image->blockallocation);
-               Mem_Free(image);
        }
 
-       if (glt->identifier)
-               Mem_Free(glt->identifier);
        if (glt->inputtexels)
                Mem_Free(glt->inputtexels);
        Mem_Free(glt);
 }
 
-static gltexture_t *R_FindTexture (gltexturepool_t *pool, char *identifier)
-{
-       gltexture_t     *glt;
-
-       if (!identifier)
-               return NULL;
-
-       for (glt = pool->gltchain;glt;glt = glt->chain)
-               if (glt->identifier && !strcmp (identifier, glt->identifier))
-                       return glt;
-
-       return NULL;
-}
-
 rtexturepool_t *R_AllocTexturePool(void)
 {
        gltexturepool_t *pool;
        if (texturemempool == NULL)
                return NULL;
-       pool = Mem_Alloc(texturemempool, sizeof(gltexturepool_t));
+       pool = (gltexturepool_t *)Mem_Alloc(texturemempool, sizeof(gltexturepool_t));
        if (pool == NULL)
                return NULL;
        pool->next = gltexturepoolchain;
@@ -280,12 +283,12 @@ void R_FreeTexturePool(rtexturepool_t **rtexturepool)
        while (pool->gltchain)
                R_FreeTexture((rtexture_t *)pool->gltchain);
        if (pool->imagechain)
-               Sys_Error("R_FreeTexturePool: not all images freed\n");
+               Con_Printf("R_FreeTexturePool: not all images freed\n");
        Mem_Free(pool);
 }
 
 
-typedef struct
+typedef struct glmode_s
 {
        char *name;
        int minification, magnification;
@@ -302,11 +305,10 @@ static glmode_t modes[] =
        {"GL_LINEAR_MIPMAP_LINEAR", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR}
 };
 
-extern int gl_backend_rebindtextures;
-
 static void GL_TextureMode_f (void)
 {
        int i;
+       GLint oldbindtexnum;
        gltextureimage_t *image;
        gltexturepool_t *pool;
 
@@ -316,20 +318,20 @@ static void GL_TextureMode_f (void)
                {
                        if (gl_filter_min == modes[i].minification)
                        {
-                               Con_Printf ("%s\n", modes[i].name);
+                               Con_Printf("%s\n", modes[i].name);
                                return;
                        }
                }
-               Con_Print("current filter is unknown???\n");
+               Con_Print("current filter is unknown???\n");
                return;
        }
 
        for (i = 0;i < 6;i++)
-               if (!Q_strcasecmp (modes[i].name, Cmd_Argv(1) ) )
+               if (!strcasecmp (modes[i].name, Cmd_Argv(1) ) )
                        break;
        if (i == 6)
        {
-               Con_Print("bad filter name\n");
+               Con_Print("bad filter name\n");
                return;
        }
 
@@ -343,104 +345,119 @@ static void GL_TextureMode_f (void)
                for (image = pool->imagechain;image;image = image->imagechain)
                {
                        // only update already uploaded images
-                       if (!(image->flags & GLTEXF_UPLOAD))
+                       if (!(image->flags & GLTEXF_UPLOAD) && !(image->flags & (TEXF_FORCENEAREST | TEXF_FORCELINEAR)))
                        {
-                               qglBindTexture(GL_TEXTURE_2D, image->texnum);
+                               qglGetIntegerv(gltexturetypebindingenums[image->texturetype], &oldbindtexnum);
+                               qglBindTexture(gltexturetypeenums[image->texturetype], image->texnum);
                                if (image->flags & TEXF_MIPMAP)
-                                       qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
+                                       qglTexParameteri(gltexturetypeenums[image->texturetype], GL_TEXTURE_MIN_FILTER, gl_filter_min);
                                else
-                                       qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
-                               qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
+                                       qglTexParameteri(gltexturetypeenums[image->texturetype], GL_TEXTURE_MIN_FILTER, gl_filter_mag);
+                               qglTexParameteri(gltexturetypeenums[image->texturetype], GL_TEXTURE_MAG_FILTER, gl_filter_mag);
+                               qglBindTexture(gltexturetypeenums[image->texturetype], oldbindtexnum);
                        }
                }
        }
-       gl_backend_rebindtextures = true;
 }
 
 static int R_CalcTexelDataSize (gltexture_t *glt)
 {
-       int width2, height2, size;
+       int width2, height2, depth2, size, picmip;
        if (glt->flags & TEXF_FRAGMENT)
-               size = glt->width * glt->height;
+               size = glt->width * glt->height * glt->depth;
        else
        {
-               if (r_max_size.integer > realmaxsize)
-                       Cvar_SetValue("r_max_size", realmaxsize);
+               picmip = 0;
+               if (glt->flags & TEXF_PICMIP)
+                       picmip = gl_picmip.integer;
+               if (gl_max_size.integer > realmaxsize)
+                       Cvar_SetValue("gl_max_size", realmaxsize);
                // calculate final size
                for (width2 = 1;width2 < glt->width;width2 <<= 1);
                for (height2 = 1;height2 < glt->height;height2 <<= 1);
-               for (width2 >>= r_picmip.integer;width2 > r_max_size.integer;width2 >>= 1);
-               for (height2 >>= r_picmip.integer;height2 > r_max_size.integer;height2 >>= 1);
+               for (depth2 = 1;depth2 < glt->depth;depth2 <<= 1);
+               for (width2 >>= picmip;width2 > gl_max_size.integer;width2 >>= 1);
+               for (height2 >>= picmip;height2 > gl_max_size.integer;height2 >>= 1);
+               for (depth2 >>= picmip;depth2 > gl_max_size.integer;depth2 >>= 1);
                if (width2 < 1) width2 = 1;
                if (height2 < 1) height2 = 1;
+               if (depth2 < 1) depth2 = 1;
 
                size = 0;
                if (glt->flags & TEXF_MIPMAP)
                {
-                       while (width2 > 1 || height2 > 1)
+                       while (width2 > 1 || height2 > 1 || depth2 > 1)
                        {
-                               size += width2 * height2;
+                               size += width2 * height2 * depth2;
                                if (width2 > 1)
                                        width2 >>= 1;
                                if (height2 > 1)
                                        height2 >>= 1;
+                               if (depth2 > 1)
+                                       depth2 >>= 1;
                        }
                        size++; // count the last 1x1 mipmap
                }
                else
-                       size = width2*height2;
+                       size = width2 * height2 * depth2;
        }
-       size *= glt->textype->internalbytesperpixel;
+       size *= glt->textype->internalbytesperpixel * glt->image->sides;
 
        return size;
 }
 
-void R_TextureStats_PrintTotal(void)
+void R_TextureStats_Print(qboolean printeach, qboolean printpool, qboolean printtotal)
 {
-       int glsize, inputsize, total = 0, totalt = 0, totalp = 0, loaded = 0, loadedt = 0, loadedp = 0;
+       int glsize;
+       int isloaded;
+       int pooltotal = 0, pooltotalt = 0, pooltotalp = 0, poolloaded = 0, poolloadedt = 0, poolloadedp = 0;
+       int sumtotal = 0, sumtotalt = 0, sumtotalp = 0, sumloaded = 0, sumloadedt = 0, sumloadedp = 0;
        gltexture_t *glt;
        gltexturepool_t *pool;
+       if (printeach)
+               Con_Print("glsize input loaded mip alpha name\n");
        for (pool = gltexturepoolchain;pool;pool = pool->next)
        {
+               pooltotal = 0;
+               pooltotalt = 0;
+               pooltotalp = 0;
+               poolloaded = 0;
+               poolloadedt = 0;
+               poolloadedp = 0;
                for (glt = pool->gltchain;glt;glt = glt->chain)
                {
                        glsize = R_CalcTexelDataSize(glt);
-                       inputsize = glt->width * glt->height * glt->textype->inputbytesperpixel;
-
-                       total++;
-                       totalt += glsize;
-                       totalp += inputsize;
-                       if (!(glt->flags & GLTEXF_UPLOAD))
+                       isloaded = !(glt->flags & GLTEXF_UPLOAD);
+                       pooltotal++;
+                       pooltotalt += glsize;
+                       pooltotalp += glt->inputdatasize;
+                       if (isloaded)
                        {
-                               loaded++;
-                               loadedt += glsize;
-                               loadedp += inputsize;
+                               poolloaded++;
+                               poolloadedt += glsize;
+                               poolloadedp += glt->inputdatasize;
                        }
+                       if (printeach)
+                               Con_Printf("%c%4i%c%c%4i%c %s %s %s %s\n", isloaded ? '[' : ' ', (glsize + 1023) / 1024, isloaded ? ']' : ' ', glt->inputtexels ? '[' : ' ', (glt->inputdatasize + 1023) / 1024, glt->inputtexels ? ']' : ' ', isloaded ? "loaded" : "      ", (glt->flags & TEXF_MIPMAP) ? "mip" : "   ", (glt->flags & TEXF_ALPHA) ? "alpha" : "     ", glt->identifier);
                }
+               if (printpool)
+                       Con_Printf("texturepool %10p total: %i (%.3fMB, %.3fMB original), uploaded %i (%.3fMB, %.3fMB original), upload on demand %i (%.3fMB, %.3fMB original)\n", pool, pooltotal, pooltotalt / 1048576.0, pooltotalp / 1048576.0, poolloaded, poolloadedt / 1048576.0, poolloadedp / 1048576.0, pooltotal - poolloaded, (pooltotalt - poolloadedt) / 1048576.0, (pooltotalp - poolloadedp) / 1048576.0);
+               sumtotal += pooltotal;
+               sumtotalt += pooltotalt;
+               sumtotalp += pooltotalp;
+               sumloaded += poolloaded;
+               sumloadedt += poolloadedt;
+               sumloadedp += poolloadedp;
        }
-       Con_Printf("total: %i (%.3fMB, %.3fMB original), uploaded %i (%.3fMB, %.3fMB original), upload on demand %i (%.3fMB, %.3fMB original)\n", total, totalt / 1048576.0, totalp / 1048576.0, loaded, loadedt / 1048576.0, loadedp / 1048576.0, total - loaded, (totalt - loadedt) / 1048576.0, (totalp - loadedp) / 1048576.0);
+       if (printtotal)
+               Con_Printf("textures total: %i (%.3fMB, %.3fMB original), uploaded %i (%.3fMB, %.3fMB original), upload on demand %i (%.3fMB, %.3fMB original)\n", sumtotal, sumtotalt / 1048576.0, sumtotalp / 1048576.0, sumloaded, sumloadedt / 1048576.0, sumloadedp / 1048576.0, sumtotal - sumloaded, (sumtotalt - sumloadedt) / 1048576.0, (sumtotalp - sumloadedp) / 1048576.0);
 }
 
 static void R_TextureStats_f(void)
 {
-       int loaded;
-       gltexture_t *glt;
-       gltexturepool_t *pool;
-       Con_Printf("glsize input crc  loaded mip alpha name\n");
-       for (pool = gltexturepoolchain;pool;pool = pool->next)
-       {
-               for (glt = pool->gltchain;glt;glt = glt->chain)
-               {
-                       loaded = !(glt->flags & GLTEXF_UPLOAD);
-                       Con_Printf("%c%4i%c%c%4i%c %04X %s %s %s %s\n", loaded ? '[' : ' ', (R_CalcTexelDataSize(glt) + 1023) / 1024, loaded ? ']' : ' ', glt->inputtexels ? '[' : ' ', (glt->width * glt->height * glt->textype->inputbytesperpixel + 1023) / 1024, glt->inputtexels ? ']' : ' ', glt->crc, loaded ? "loaded" : "      ", (glt->flags & TEXF_MIPMAP) ? "mip" : "   ", (glt->flags & TEXF_ALPHA) ? "alpha" : "     ", glt->identifier ? glt->identifier : "<unnamed>");
-               }
-               Con_Printf("pool %10p\n", pool);
-       }
-       R_TextureStats_PrintTotal();
+       R_TextureStats_Print(true, true, true);
 }
 
-char engineversion[40];
-
 static void r_textures_start(void)
 {
        // deal with size limits of various drivers (3dfx in particular)
@@ -451,17 +468,21 @@ static void r_textures_start(void)
        CHECKGLERROR
 
        // use the largest scrap texture size we can (not sure if this is really a good idea)
-       for (block_size = 1;block_size < realmaxsize && block_size < r_max_scrapsize.integer;block_size <<= 1);
+       for (block_size = 1;block_size < realmaxsize && block_size < gl_max_scrapsize.integer;block_size <<= 1);
 
-       texturemempool = Mem_AllocPool("Texture Info");
-       texturedatamempool = Mem_AllocPool("Texture Storage (not yet uploaded)");
-       textureprocessingmempool = Mem_AllocPool("Texture Processing Buffers");
-       gltexnuminuse = Mem_Alloc(texturemempool, MAX_GLTEXTURES);
+       texturemempool = Mem_AllocPool("texture management", 0, NULL);
+
+       // Disable JPEG screenshots if the DLL isn't loaded
+       if (! JPEG_OpenLibrary ())
+               Cvar_SetValueQuick (&scr_screenshot_jpeg, 0);
 }
 
 static void r_textures_shutdown(void)
 {
        rtexturepool_t *temp;
+
+       JPEG_CloseLibrary ();
+
        while(gltexturepoolchain)
        {
                temp = (rtexturepool_t *) gltexturepoolchain;
@@ -473,10 +494,7 @@ static void r_textures_shutdown(void)
        resizebuffer = NULL;
        colorconvertbuffer = NULL;
        texturebuffer = NULL;
-       gltexnuminuse = NULL;
        Mem_FreePool(&texturemempool);
-       Mem_FreePool(&texturedatamempool);
-       Mem_FreePool(&textureprocessingmempool);
 }
 
 static void r_textures_newmap(void)
@@ -485,20 +503,22 @@ static void r_textures_newmap(void)
 
 void R_Textures_Init (void)
 {
-       Cmd_AddCommand ("gl_texturemode", &GL_TextureMode_f);
+       Cmd_AddCommand("gl_texturemode", &GL_TextureMode_f);
        Cmd_AddCommand("r_texturestats", R_TextureStats_f);
-       Cvar_RegisterVariable (&r_max_scrapsize);
-       Cvar_RegisterVariable (&r_max_size);
-       Cvar_RegisterVariable (&r_picmip);
+       Cvar_RegisterVariable (&gl_max_scrapsize);
+       Cvar_RegisterVariable (&gl_max_size);
+       Cvar_RegisterVariable (&gl_picmip);
        Cvar_RegisterVariable (&r_lerpimages);
        Cvar_RegisterVariable (&r_precachetextures);
-       gltexnuminuse = NULL;
+       Cvar_RegisterVariable (&gl_texture_anisotropy);
 
        R_RegisterModule("R_Textures", r_textures_start, r_textures_shutdown, r_textures_newmap);
 }
 
 void R_Textures_Frame (void)
 {
+       static int old_aniso = 0;
+
        // could do procedural texture animation here, if we keep track of which
        // textures were accessed this frame...
 
@@ -514,6 +534,34 @@ void R_Textures_Frame (void)
                Mem_Free(colorconvertbuffer);
                colorconvertbuffer = NULL;
        }
+
+       if (old_aniso != gl_texture_anisotropy.integer)
+       {
+               gltextureimage_t *image;
+               gltexturepool_t *pool;
+               GLint oldbindtexnum;
+
+               old_aniso = bound(1, gl_texture_anisotropy.integer, gl_max_anisotropy);
+
+               Cvar_SetValueQuick(&gl_texture_anisotropy, old_aniso);
+
+               for (pool = gltexturepoolchain;pool;pool = pool->next)
+               {
+                       for (image = pool->imagechain;image;image = image->imagechain)
+                       {
+                               // only update already uploaded images
+                               if (!(image->flags & GLTEXF_UPLOAD) && (image->flags & TEXF_MIPMAP))
+                               {
+                                       qglGetIntegerv(gltexturetypebindingenums[image->texturetype], &oldbindtexnum);
+
+                                       qglBindTexture(gltexturetypeenums[image->texturetype], image->texnum);
+                                       qglTexParameteri(gltexturetypeenums[image->texturetype], GL_TEXTURE_MAX_ANISOTROPY_EXT, old_aniso);CHECKGLERROR
+
+                                       qglBindTexture(gltexturetypeenums[image->texturetype], oldbindtexnum);
+                               }
+                       }
+               }
+       }
 }
 
 void R_MakeResizeBufferBigger(int size)
@@ -525,139 +573,294 @@ void R_MakeResizeBufferBigger(int size)
                        Mem_Free(resizebuffer);
                if (colorconvertbuffer)
                        Mem_Free(colorconvertbuffer);
-               resizebuffer = Mem_Alloc(textureprocessingmempool, resizebuffersize);
-               colorconvertbuffer = Mem_Alloc(textureprocessingmempool, resizebuffersize);
+               resizebuffer = (unsigned char *)Mem_Alloc(texturemempool, resizebuffersize);
+               colorconvertbuffer = (unsigned char *)Mem_Alloc(texturemempool, resizebuffersize);
                if (!resizebuffer || !colorconvertbuffer)
                        Host_Error("R_Upload: out of memory\n");
        }
 }
 
-static void R_Upload(gltexture_t *glt, qbyte *data)
+static void GL_SetupTextureParameters(int flags, int texturetype)
 {
-       int mip, width, height, internalformat;
-       qbyte *prevbuffer;
-       prevbuffer = data;
+       int textureenum = gltexturetypeenums[texturetype];
+       int wrapmode = ((flags & TEXF_CLAMP) && gl_support_clamptoedge) ? GL_CLAMP_TO_EDGE : GL_REPEAT;
 
-       qglBindTexture(GL_TEXTURE_2D, glt->image->texnum);
        CHECKGLERROR
 
-       gl_backend_rebindtextures = true;
+       if (gl_support_anisotropy && (flags & TEXF_MIPMAP))
+       {
+               int aniso = bound(1, gl_texture_anisotropy.integer, gl_max_anisotropy);
+               if (gl_texture_anisotropy.integer != aniso)
+                       Cvar_SetValueQuick(&gl_texture_anisotropy, aniso);
+               qglTexParameteri(textureenum, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);CHECKGLERROR
+       }
+       qglTexParameteri(textureenum, GL_TEXTURE_WRAP_S, wrapmode);CHECKGLERROR
+       qglTexParameteri(textureenum, GL_TEXTURE_WRAP_T, wrapmode);CHECKGLERROR
+       if (gltexturetypedimensions[texturetype] >= 3)
+       {
+               qglTexParameteri(textureenum, GL_TEXTURE_WRAP_R, wrapmode);CHECKGLERROR
+       }
 
+       CHECKGLERROR
+       if (flags & TEXF_FORCENEAREST)
+       {
+               if (flags & TEXF_MIPMAP)
+               {
+                       qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);CHECKGLERROR
+               }
+               else
+               {
+                       qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_NEAREST);CHECKGLERROR
+               }
+               qglTexParameteri(textureenum, GL_TEXTURE_MAG_FILTER, GL_NEAREST);CHECKGLERROR
+       }
+       else if (flags & TEXF_FORCELINEAR)
+       {
+               if (flags & TEXF_MIPMAP)
+               {
+                       if (gl_filter_min == GL_NEAREST_MIPMAP_LINEAR || gl_filter_min == GL_LINEAR_MIPMAP_LINEAR)
+                       {
+                               qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);CHECKGLERROR
+                       }
+                       else
+                       {
+                               qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);CHECKGLERROR
+                       }
+               }
+               else
+               {
+                       qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, GL_LINEAR);CHECKGLERROR
+               }
+               qglTexParameteri(textureenum, GL_TEXTURE_MAG_FILTER, GL_LINEAR);CHECKGLERROR
+       }
+       else
+       {
+               if (flags & TEXF_MIPMAP)
+               {
+                       qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, gl_filter_min);CHECKGLERROR
+               }
+               else
+               {
+                       qglTexParameteri(textureenum, GL_TEXTURE_MIN_FILTER, gl_filter_mag);CHECKGLERROR
+               }
+               qglTexParameteri(textureenum, GL_TEXTURE_MAG_FILTER, gl_filter_mag);CHECKGLERROR
+       }
+
+       CHECKGLERROR
+}
+
+static void R_Upload(gltexture_t *glt, unsigned char *data)
+{
+       int i, mip, width, height, depth;
+       GLint oldbindtexnum;
+       unsigned char *prevbuffer;
+       prevbuffer = data;
+
+       CHECKGLERROR
+
+       glt->texnum = glt->image->texnum;
+       // we need to restore the texture binding after finishing the upload
+       qglGetIntegerv(gltexturetypebindingenums[glt->image->texturetype], &oldbindtexnum);
+       qglBindTexture(gltexturetypeenums[glt->image->texturetype], glt->image->texnum);
+       CHECKGLERROR
        glt->flags &= ~GLTEXF_UPLOAD;
 
        if (glt->flags & TEXF_FRAGMENT)
        {
                if (glt->image->flags & GLTEXF_UPLOAD)
                {
-                       Con_DPrintf("uploaded new fragments image\n");
-                       R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->bytesperpixel);
                        glt->image->flags &= ~GLTEXF_UPLOAD;
-                       memset(resizebuffer, 255, glt->image->width * glt->image->height * glt->image->bytesperpixel);
-                       qglTexImage2D (GL_TEXTURE_2D, 0, glt->image->glinternalformat, glt->image->width, glt->image->height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, resizebuffer);
-                       CHECKGLERROR
-                       qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
-                       CHECKGLERROR
-                       qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
-                       CHECKGLERROR
+                       Con_DPrint("uploaded new fragments image\n");
+                       R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->depth * glt->image->bytesperpixel);
+                       memset(resizebuffer, 255, glt->image->width * glt->image->height * glt->image->depth * glt->image->bytesperpixel);
+                       switch(glt->image->texturetype)
+                       {
+                       case GLTEXTURETYPE_1D:
+                               qglTexImage1D(GL_TEXTURE_1D, 0, glt->image->glinternalformat, glt->image->width, 0, glt->image->glformat, GL_UNSIGNED_BYTE, resizebuffer);
+                               CHECKGLERROR
+                               break;
+                       case GLTEXTURETYPE_2D:
+                               qglTexImage2D(GL_TEXTURE_2D, 0, glt->image->glinternalformat, glt->image->width, glt->image->height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, resizebuffer);
+                               CHECKGLERROR
+                               break;
+                       case GLTEXTURETYPE_3D:
+                               qglTexImage3D(GL_TEXTURE_3D, 0, glt->image->glinternalformat, glt->image->width, glt->image->height, glt->image->depth, 0, glt->image->glformat, GL_UNSIGNED_BYTE, resizebuffer);
+                               CHECKGLERROR
+                               break;
+                       default:
+                               Host_Error("R_Upload: fragment texture of type other than 1D, 2D, or 3D\n");
+                               break;
+                       }
+                       GL_SetupTextureParameters(glt->image->flags, glt->image->texturetype);
                }
 
                if (prevbuffer == NULL)
                {
-                       R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->bytesperpixel);
-                       memset(resizebuffer, 255, glt->width * glt->height * glt->image->bytesperpixel);
+                       R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->depth * glt->image->bytesperpixel);
+                       memset(resizebuffer, 0, glt->width * glt->height * glt->image->depth * glt->image->bytesperpixel);
                        prevbuffer = resizebuffer;
                }
-               else if (glt->textype->textype == TEXTYPE_QPALETTE)
+               else if (glt->textype->textype == TEXTYPE_PALETTE)
                {
                        // promote paletted to RGBA, so we only have to worry about RGB and
                        // RGBA in the rest of this code
-                       R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->bytesperpixel);
-                       Image_Copy8bitRGBA(prevbuffer, colorconvertbuffer, glt->width * glt->height, d_8to24table);
+                       R_MakeResizeBufferBigger(glt->image->width * glt->image->height * glt->image->depth * glt->image->sides * glt->image->bytesperpixel);
+                       Image_Copy8bitRGBA(prevbuffer, colorconvertbuffer, glt->width * glt->height * glt->depth, glt->palette);
                        prevbuffer = colorconvertbuffer;
                }
 
-               qglTexSubImage2D(GL_TEXTURE_2D, 0, glt->x, glt->y, glt->width, glt->height, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
-               CHECKGLERROR
-               glt->texnum = glt->image->texnum;
-               return;
+               switch(glt->image->texturetype)
+               {
+               case GLTEXTURETYPE_1D:
+                       qglTexSubImage1D(GL_TEXTURE_1D, 0, glt->x, glt->width, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                       CHECKGLERROR
+                       break;
+               case GLTEXTURETYPE_2D:
+                       qglTexSubImage2D(GL_TEXTURE_2D, 0, glt->x, glt->y, glt->width, glt->height, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                       CHECKGLERROR
+                       break;
+               case GLTEXTURETYPE_3D:
+                       qglTexSubImage3D(GL_TEXTURE_3D, 0, glt->x, glt->y, glt->z, glt->width, glt->height, glt->depth, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                       CHECKGLERROR
+                       break;
+               default:
+                       Host_Error("R_Upload: fragment texture of type other than 1D, 2D, or 3D\n");
+                       break;
+               }
        }
+       else
+       {
+               glt->image->flags &= ~GLTEXF_UPLOAD;
 
-       glt->image->flags &= ~GLTEXF_UPLOAD;
-
-       // these are rounded up versions of the size to do better resampling
-       for (width = 1;width < glt->width;width <<= 1);
-       for (height = 1;height < glt->height;height <<= 1);
+               // these are rounded up versions of the size to do better resampling
+               for (width  = 1;width  < glt->width ;width  <<= 1);
+               for (height = 1;height < glt->height;height <<= 1);
+               for (depth  = 1;depth  < glt->depth ;depth  <<= 1);
 
-       R_MakeResizeBufferBigger(width * height * glt->image->bytesperpixel);
+               R_MakeResizeBufferBigger(width * height * depth * glt->image->sides * glt->image->bytesperpixel);
 
-       if (prevbuffer == NULL)
-       {
-               width = glt->image->width;
-               height = glt->image->height;
-               memset(resizebuffer, 255, width * height * glt->image->bytesperpixel);
-               prevbuffer = resizebuffer;
-       }
-       else
-       {
-               if (glt->textype->textype == TEXTYPE_QPALETTE)
+               if (prevbuffer == NULL)
                {
-                       // promote paletted to RGBA, so we only have to worry about RGB and
-                       // RGBA in the rest of this code
-                       Image_Copy8bitRGBA(prevbuffer, colorconvertbuffer, glt->width * glt->height, d_8to24table);
-                       prevbuffer = colorconvertbuffer;
+                       width = glt->image->width;
+                       height = glt->image->height;
+                       depth = glt->image->depth;
+                       memset(resizebuffer, 0, width * height * depth * glt->image->bytesperpixel);
+                       prevbuffer = resizebuffer;
                }
-
-               if (glt->width != width || glt->height != height)
+               else
                {
-                       Image_Resample(prevbuffer, glt->width, glt->height, resizebuffer, width, height, glt->image->bytesperpixel, r_lerpimages.integer);
-                       prevbuffer = resizebuffer;
+                       if (glt->textype->textype == TEXTYPE_PALETTE)
+                       {
+                               // promote paletted to RGBA, so we only have to worry about RGB and
+                               // RGBA in the rest of this code
+                               Image_Copy8bitRGBA(prevbuffer, colorconvertbuffer, glt->width * glt->height * glt->depth * glt->image->sides, glt->palette);
+                               prevbuffer = colorconvertbuffer;
+                       }
                }
 
-               // apply picmip/max_size limitations
-               while (width > glt->image->width || height > glt->image->height)
+               // cubemaps contain multiple images and thus get processed a bit differently
+               if (glt->image->texturetype != GLTEXTURETYPE_CUBEMAP)
                {
-                       Image_MipReduce(prevbuffer, resizebuffer, &width, &height, glt->image->width, glt->image->height, glt->image->bytesperpixel);
-                       prevbuffer = resizebuffer;
+                       if (glt->width != width || glt->height != height || glt->depth != depth)
+                       {
+                               Image_Resample(prevbuffer, glt->width, glt->height, glt->depth, resizebuffer, width, height, depth, glt->image->bytesperpixel, r_lerpimages.integer);
+                               prevbuffer = resizebuffer;
+                       }
+                       // picmip/max_size
+                       while (width > glt->image->width || height > glt->image->height || depth > glt->image->depth)
+                       {
+                               Image_MipReduce(prevbuffer, resizebuffer, &width, &height, &depth, glt->image->width, glt->image->height, glt->image->depth, glt->image->bytesperpixel);
+                               prevbuffer = resizebuffer;
+                       }
                }
-       }
-
-       // 3 and 4 are converted by the driver to it's preferred format for the current display mode
-       internalformat = 3;
-       if (glt->flags & TEXF_ALPHA)
-               internalformat = 4;
-
-       mip = 0;
-       qglTexImage2D(GL_TEXTURE_2D, mip++, internalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
-       CHECKGLERROR
-       if (glt->flags & TEXF_MIPMAP)
-       {
-               while (width > 1 || height > 1)
+               mip = 0;
+               switch(glt->image->texturetype)
                {
-                       Image_MipReduce(prevbuffer, resizebuffer, &width, &height, 1, 1, glt->image->bytesperpixel);
-                       prevbuffer = resizebuffer;
-
-                       qglTexImage2D(GL_TEXTURE_2D, mip++, internalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+               case GLTEXTURETYPE_1D:
+                       qglTexImage1D(GL_TEXTURE_1D, mip++, glt->image->glinternalformat, width, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                       CHECKGLERROR
+                       if (glt->flags & TEXF_MIPMAP)
+                       {
+                               while (width > 1 || height > 1 || depth > 1)
+                               {
+                                       Image_MipReduce(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1, glt->image->bytesperpixel);
+                                       prevbuffer = resizebuffer;
+                                       qglTexImage1D(GL_TEXTURE_1D, mip++, glt->image->glinternalformat, width, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                                       CHECKGLERROR
+                               }
+                       }
+                       break;
+               case GLTEXTURETYPE_2D:
+                       qglTexImage2D(GL_TEXTURE_2D, mip++, glt->image->glinternalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                       CHECKGLERROR
+                       if (glt->flags & TEXF_MIPMAP)
+                       {
+                               while (width > 1 || height > 1 || depth > 1)
+                               {
+                                       Image_MipReduce(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1, glt->image->bytesperpixel);
+                                       prevbuffer = resizebuffer;
+                                       qglTexImage2D(GL_TEXTURE_2D, mip++, glt->image->glinternalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                                       CHECKGLERROR
+                               }
+                       }
+                       break;
+               case GLTEXTURETYPE_3D:
+                       qglTexImage3D(GL_TEXTURE_3D, mip++, glt->image->glinternalformat, width, height, depth, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
                        CHECKGLERROR
+                       if (glt->flags & TEXF_MIPMAP)
+                       {
+                               while (width > 1 || height > 1 || depth > 1)
+                               {
+                                       Image_MipReduce(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1, glt->image->bytesperpixel);
+                                       prevbuffer = resizebuffer;
+                                       qglTexImage3D(GL_TEXTURE_3D, mip++, glt->image->glinternalformat, width, height, depth, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                                       CHECKGLERROR
+                               }
+                       }
+                       break;
+               case GLTEXTURETYPE_CUBEMAP:
+                       // convert and upload each side in turn,
+                       // from a continuous block of input texels
+                       texturebuffer = prevbuffer;
+                       for (i = 0;i < 6;i++)
+                       {
+                               prevbuffer = texturebuffer;
+                               texturebuffer += glt->width * glt->height * glt->depth * glt->textype->inputbytesperpixel;
+                               if (glt->width != width || glt->height != height || glt->depth != depth)
+                               {
+                                       Image_Resample(prevbuffer, glt->width, glt->height, glt->depth, resizebuffer, width, height, depth, glt->image->bytesperpixel, r_lerpimages.integer);
+                                       prevbuffer = resizebuffer;
+                               }
+                               // picmip/max_size
+                               while (width > glt->image->width || height > glt->image->height || depth > glt->image->depth)
+                               {
+                                       Image_MipReduce(prevbuffer, resizebuffer, &width, &height, &depth, glt->image->width, glt->image->height, glt->image->depth, glt->image->bytesperpixel);
+                                       prevbuffer = resizebuffer;
+                               }
+                               mip = 0;
+                               qglTexImage2D(cubemapside[i], mip++, glt->image->glinternalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                               CHECKGLERROR
+                               if (glt->flags & TEXF_MIPMAP)
+                               {
+                                       while (width > 1 || height > 1 || depth > 1)
+                                       {
+                                               Image_MipReduce(prevbuffer, resizebuffer, &width, &height, &depth, 1, 1, 1, glt->image->bytesperpixel);
+                                               prevbuffer = resizebuffer;
+                                               qglTexImage2D(cubemapside[i], mip++, glt->image->glinternalformat, width, height, 0, glt->image->glformat, GL_UNSIGNED_BYTE, prevbuffer);
+                                               CHECKGLERROR
+                                       }
+                               }
+                       }
+                       break;
                }
-
-               qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
-               CHECKGLERROR
-               qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
-               CHECKGLERROR
-       }
-       else
-       {
-               qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_mag);
-               CHECKGLERROR
-               qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_mag);
-               CHECKGLERROR
+               GL_SetupTextureParameters(glt->image->flags, glt->image->texturetype);
        }
-       glt->texnum = glt->image->texnum;
+       qglBindTexture(gltexturetypeenums[glt->image->texturetype], oldbindtexnum);
 }
 
 static void R_FindImageForTexture(gltexture_t *glt)
 {
-       int i, j, best, best2, x, y, w, h;
+       int i, j, best, best2, x, y, z, w, h, d, picmip;
        textypeinfo_t *texinfo;
        gltexturepool_t *pool;
        gltextureimage_t *image, **imagechainpointer;
@@ -669,8 +872,10 @@ static void R_FindImageForTexture(gltexture_t *glt)
 
        x = 0;
        y = 0;
+       z = 0;
        w = glt->width;
        h = glt->height;
+       d = glt->depth;
        if (glt->flags & TEXF_FRAGMENT)
        {
                for (imagechainpointer = &pool->imagechain;*imagechainpointer;imagechainpointer = &(*imagechainpointer)->imagechain)
@@ -678,13 +883,17 @@ static void R_FindImageForTexture(gltexture_t *glt)
                        image = *imagechainpointer;
                        if (image->type != GLIMAGETYPE_FRAGMENTS)
                                continue;
+                       if (image->texturetype != glt->texturetype)
+                               continue;
+                       if ((image->flags ^ glt->flags) & (TEXF_MIPMAP | TEXF_ALPHA | TEXF_CLAMP | TEXF_FORCENEAREST | TEXF_FORCELINEAR))
+                               continue;
                        if (image->glformat != texinfo->glformat || image->glinternalformat != texinfo->glinternalformat)
                                continue;
-                       if (glt->width > image->width || glt->height > image->height)
+                       if (glt->width > image->width || glt->height > image->height || glt->depth > image->depth)
                                continue;
 
                        // got a fragments texture, find a place in it if we can
-                       for (best = image->width, i = 0;i < image->width - w;i += texinfo->align)
+                       for (best = image->width, i = 0;i < image->width - w;i++)
                        {
                                for (best2 = 0, j = 0;j < w;j++)
                                {
@@ -709,23 +918,33 @@ static void R_FindImageForTexture(gltexture_t *glt)
 
                        glt->x = x;
                        glt->y = y;
+                       glt->z = 0;
                        glt->image = image;
                        image->texturecount++;
                        return;
                }
 
-               image = Mem_Alloc(texturemempool, sizeof(gltextureimage_t));
+               image = (gltextureimage_t *)Mem_Alloc(texturemempool, sizeof(gltextureimage_t));
                if (image == NULL)
-                       Sys_Error("R_FindImageForTexture: ran out of memory\n");
+               {
+                       Con_Printf ("R_FindImageForTexture: ran out of memory\n");
+                       return;
+               }
                image->type = GLIMAGETYPE_FRAGMENTS;
                // make sure the created image is big enough for the fragment
                for (image->width = block_size;image->width < glt->width;image->width <<= 1);
-               for (image->height = block_size;image->height < glt->height;image->height <<= 1);
-               image->blockallocation = Mem_Alloc(texturemempool, image->width * sizeof(short));
+               image->height = 1;
+               if (gltexturetypedimensions[glt->texturetype] >= 2)
+                       for (image->height = block_size;image->height < glt->height;image->height <<= 1);
+               image->depth = 1;
+               if (gltexturetypedimensions[glt->texturetype] >= 3)
+                       for (image->depth = block_size;image->depth < glt->depth;image->depth <<= 1);
+               image->blockallocation = (short int *)Mem_Alloc(texturemempool, image->width * sizeof(short));
                memset(image->blockallocation, 0, image->width * sizeof(short));
 
                x = 0;
                y = 0;
+               z = 0;
                for (i = 0;i < w;i++)
                        image->blockallocation[x + i] = y + h;
        }
@@ -733,38 +952,45 @@ static void R_FindImageForTexture(gltexture_t *glt)
        {
                for (imagechainpointer = &pool->imagechain;*imagechainpointer;imagechainpointer = &(*imagechainpointer)->imagechain);
 
-               image = Mem_Alloc(texturemempool, sizeof(gltextureimage_t));
+               image = (gltextureimage_t *)Mem_Alloc(texturemempool, sizeof(gltextureimage_t));
                if (image == NULL)
-                       Sys_Error("R_FindImageForTexture: ran out of memory\n");
+               {
+                       Con_Printf ("R_FindImageForTexture: ran out of memory\n");
+                       return;
+               }
                image->type = GLIMAGETYPE_TILE;
                image->blockallocation = NULL;
 
+               picmip = 0;
+               if (glt->flags & TEXF_PICMIP)
+                       picmip = gl_picmip.integer;
                // calculate final size
-               if (r_max_size.integer > realmaxsize)
-                       Cvar_SetValue("r_max_size", realmaxsize);
+               if (gl_max_size.integer > realmaxsize)
+                       Cvar_SetValue("gl_max_size", realmaxsize);
                for (image->width = 1;image->width < glt->width;image->width <<= 1);
                for (image->height = 1;image->height < glt->height;image->height <<= 1);
-               for (image->width >>= r_picmip.integer;image->width > r_max_size.integer;image->width >>= 1);
-               for (image->height >>= r_picmip.integer;image->height > r_max_size.integer;image->height >>= 1);
+               for (image->depth = 1;image->depth < glt->depth;image->depth <<= 1);
+               for (image->width >>= picmip;image->width > gl_max_size.integer;image->width >>= 1);
+               for (image->height >>= picmip;image->height > gl_max_size.integer;image->height >>= 1);
+               for (image->depth >>= picmip;image->depth > gl_max_size.integer;image->depth >>= 1);
                if (image->width < 1) image->width = 1;
                if (image->height < 1) image->height = 1;
+               if (image->depth < 1) image->depth = 1;
        }
+       image->texturetype = glt->texturetype;
        image->glinternalformat = texinfo->glinternalformat;
        image->glformat = texinfo->glformat;
-       image->flags = (glt->flags & (TEXF_MIPMAP | TEXF_ALPHA)) | GLTEXF_UPLOAD;
+       image->flags = (glt->flags & (TEXF_MIPMAP | TEXF_ALPHA | TEXF_CLAMP | TEXF_PICMIP | TEXF_FORCENEAREST | TEXF_FORCELINEAR)) | GLTEXF_UPLOAD;
        image->bytesperpixel = texinfo->internalbytesperpixel;
-       for (i = 1;i < MAX_GLTEXTURES;i++)
-               if (!gltexnuminuse[i])
-                       break;
-       if (i < MAX_GLTEXTURES)
-               gltexnuminuse[image->texnum = i] = true;
-       else
-               Sys_Error("R_FindImageForTexture: ran out of GL textures\n");
+       image->sides = image->texturetype == GLTEXTURETYPE_CUBEMAP ? 6 : 1;
+       // get a texture number to use
+       qglGenTextures(1, (GLuint *)&image->texnum);
        *imagechainpointer = image;
        image->texturecount++;
 
        glt->x = x;
        glt->y = y;
+       glt->z = z;
        glt->image = image;
 }
 
@@ -785,77 +1011,56 @@ static void R_UploadTexture (gltexture_t *glt)
                Con_Printf("R_UploadTexture: Texture %s already uploaded and destroyed.  Can not upload original image again.  Uploaded blank texture.\n", glt->identifier);
 }
 
-static gltexture_t *R_SetupTexture(gltexturepool_t *pool, char *identifier, int crc, int width, int height, int flags, textypeinfo_t *texinfo, qbyte *data)
-{
-       gltexture_t *glt;
-       glt = Mem_Alloc(texturemempool, sizeof(gltexture_t));
-       if (identifier)
-       {
-               glt->identifier = Mem_Alloc(texturemempool, strlen(identifier)+1);
-               strcpy (glt->identifier, identifier);
-       }
-       else
-               glt->identifier = NULL;
-       glt->pool = pool;
-       glt->chain = pool->gltchain;
-       pool->gltchain = glt;
-       glt->crc = crc;
-       glt->width = width;
-       glt->height = height;
-       glt->flags = flags;
-       glt->textype = texinfo;
-
-       if (data)
-       {
-               glt->inputtexels = Mem_Alloc(texturedatamempool, glt->width * glt->height * texinfo->inputbytesperpixel);
-               if (glt->inputtexels == NULL)
-                       Sys_Error("R_SetupTexture: out of memory\n");
-               memcpy(glt->inputtexels, data, glt->width * glt->height * texinfo->inputbytesperpixel);
-       }
-       else
-               glt->inputtexels = NULL;
-
-       R_FindImageForTexture(glt);
-       R_PrecacheTexture(glt);
-
-       return glt;
-}
-
-/*
-================
-R_LoadTexture
-================
-*/
-rtexture_t *R_LoadTexture (rtexturepool_t *rtexturepool, char *identifier, int width, int height, qbyte *data, int textype, int flags)
+static rtexture_t *R_SetupTexture(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int depth, int sides, int flags, int textype, int texturetype, const unsigned char *data, const unsigned int *palette)
 {
-       int i;
+       int i, size;
        gltexture_t *glt;
        gltexturepool_t *pool = (gltexturepool_t *)rtexturepool;
        textypeinfo_t *texinfo;
-       unsigned short crc;
 
        if (cls.state == ca_dedicated)
                return NULL;
 
-       texinfo = R_GetTexTypeInfo(textype, flags);
+       if (flags & TEXF_FRAGMENT && texturetype != GLTEXTURETYPE_2D)
+       {
+               Con_Printf ("R_LoadTexture: only 2D fragment textures implemented\n");
+               return NULL;
+       }
+       if (texturetype == GLTEXTURETYPE_CUBEMAP && !gl_texturecubemap)
+       {
+               Con_Printf ("R_LoadTexture: cubemap texture not supported by driver\n");
+               return NULL;
+       }
+       if (texturetype == GLTEXTURETYPE_3D && !gl_texture3d)
+       {
+               Con_Printf ("R_LoadTexture: 3d texture not supported by driver\n");
+               return NULL;
+       }
 
-       if (flags & TEXF_FRAGMENT)
-               if ((width * texinfo->internalbytesperpixel) & 3)
-                       Host_Error("R_LoadTexture: incompatible width for fragment");
+       texinfo = R_GetTexTypeInfo(textype, flags);
+       size = width * height * depth * sides * texinfo->inputbytesperpixel;
+       if (size < 1)
+       {
+               Con_Printf ("R_LoadTexture: bogus texture size (%dx%dx%dx%dbppx%dsides = %d bytes)\n", width, height, depth, texinfo->inputbytesperpixel * 8, sides);
+               return NULL;
+       }
 
        // clear the alpha flag if the texture has no transparent pixels
        switch(textype)
        {
-       case TEXTYPE_QPALETTE:
+       case TEXTYPE_PALETTE:
                if (flags & TEXF_ALPHA)
                {
                        flags &= ~TEXF_ALPHA;
-                       for (i = 0;i < width * height;i++)
+                       if (data)
                        {
-                               if (data[i] == 255)
+                               for (i = 0;i < size;i++)
                                {
-                                       flags |= TEXF_ALPHA;
-                                       break;
+                                       if (((unsigned char *)&palette[data[i]])[3] < 255)
+                                       {
+                                               flags |= TEXF_ALPHA;
+                                               break;
+                                       }
                                }
                        }
                }
@@ -868,84 +1073,118 @@ rtexture_t *R_LoadTexture (rtexturepool_t *rtexturepool, char *identifier, int w
                if (flags & TEXF_ALPHA)
                {
                        flags &= ~TEXF_ALPHA;
-                       for (i = 0;i < width * height;i++)
+                       if (data)
                        {
-                               if (data[i * 4 + 3] < 255)
+                               for (i = 3;i < size;i += 4)
                                {
-                                       flags |= TEXF_ALPHA;
-                                       break;
+                                       if (data[i] < 255)
+                                       {
+                                               flags |= TEXF_ALPHA;
+                                               break;
+                                       }
                                }
                        }
                }
                break;
+       case TEXTYPE_DSDT:
+               break;
        default:
                Host_Error("R_LoadTexture: unknown texture type\n");
        }
 
-       // LordHavoc: do a CRC to confirm the data really is the same as previous occurances.
-       if (data == NULL)
-               crc = 0;
-       else
-               crc = CRC_Block(data, width*height*texinfo->inputbytesperpixel);
+       glt = (gltexture_t *)Mem_Alloc(texturemempool, sizeof(gltexture_t));
+       if (identifier)
+               strlcpy (glt->identifier, identifier, sizeof(glt->identifier));
+       glt->pool = pool;
+       glt->chain = pool->gltchain;
+       pool->gltchain = glt;
+       glt->width = width;
+       glt->height = height;
+       glt->depth = depth;
+       glt->flags = flags | GLTEXF_UPLOAD;
+       glt->textype = texinfo;
+       glt->texturetype = texturetype;
+       glt->inputdatasize = size;
+       glt->palette = palette;
 
-       // see if the texture is already present
-       if (identifier && (glt = R_FindTexture(pool, identifier)))
+       if (data)
        {
-               if (crc == glt->crc && width == glt->width && height == glt->height && texinfo == glt->textype && ((flags ^ glt->flags) & TEXF_IMPORTANTBITS) == 0 && ((flags ^ glt->flags) & GLTEXF_IMPORTANTBITS) == 0)
-               {
-                       Con_Printf("R_LoadTexture: exact match with existing texture %s\n", identifier);
-                       return (rtexture_t *)glt; // exact match, use existing
-               }
-               Con_Printf("R_LoadTexture: cache mismatch on %s, replacing old texture\n", identifier);
-               R_FreeTexture((rtexture_t *)glt);
+               glt->inputtexels = (unsigned char *)Mem_Alloc(texturemempool, size);
+               if (glt->inputtexels == NULL)
+                       Con_Printf ("R_LoadTexture: out of memory\n");
+               else
+                       memcpy(glt->inputtexels, data, size);
        }
+       else
+               glt->inputtexels = NULL;
+
+       R_FindImageForTexture(glt);
+       R_PrecacheTexture(glt);
+
+       return (rtexture_t *)glt;
+}
+
+rtexture_t *R_LoadTexture1D(rtexturepool_t *rtexturepool, const char *identifier, int width, const unsigned char *data, int textype, int flags, const unsigned int *palette)
+{
+       return R_SetupTexture(rtexturepool, identifier, width, 1, 1, 1, flags, textype, GLTEXTURETYPE_1D, data, palette);
+}
+
+rtexture_t *R_LoadTexture2D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, const unsigned char *data, int textype, int flags, const unsigned int *palette)
+{
+       return R_SetupTexture(rtexturepool, identifier, width, height, 1, 1, flags, textype, GLTEXTURETYPE_2D, data, palette);
+}
+
+rtexture_t *R_LoadTexture3D(rtexturepool_t *rtexturepool, const char *identifier, int width, int height, int depth, const unsigned char *data, int textype, int flags, const unsigned int *palette)
+{
+       return R_SetupTexture(rtexturepool, identifier, width, height, depth, 1, flags, textype, GLTEXTURETYPE_3D, data, palette);
+}
 
-       return (rtexture_t *)R_SetupTexture(pool, identifier, crc, width, height, flags | GLTEXF_UPLOAD, texinfo, data);
+rtexture_t *R_LoadTextureCubeMap(rtexturepool_t *rtexturepool, const char *identifier, int width, const unsigned char *data, int textype, int flags, const unsigned int *palette)
+{
+       return R_SetupTexture(rtexturepool, identifier, width, width, 1, 6, flags, textype, GLTEXTURETYPE_CUBEMAP, data, palette);
 }
 
 int R_TextureHasAlpha(rtexture_t *rt)
 {
-       gltexture_t *glt;
-       if (!rt)
-               return false;
-       glt = (gltexture_t *)rt;
-       return (glt->flags & TEXF_ALPHA) != 0;
+       return rt ? (((gltexture_t *)rt)->flags & TEXF_ALPHA) != 0 : false;
 }
 
 int R_TextureWidth(rtexture_t *rt)
 {
-       if (!rt)
-               return false;
-       return ((gltexture_t *)rt)->width;
+       return rt ? ((gltexture_t *)rt)->width : 0;
 }
 
 int R_TextureHeight(rtexture_t *rt)
 {
-       if (!rt)
-               return false;
-       return ((gltexture_t *)rt)->height;
+       return rt ? ((gltexture_t *)rt)->height : 0;
 }
 
-void R_FragmentLocation(rtexture_t *rt, int *x, int *y, float *fx1, float *fy1, float *fx2, float *fy2)
+void R_FragmentLocation3D(rtexture_t *rt, int *x, int *y, int *z, float *fx1, float *fy1, float *fz1, float *fx2, float *fy2, float *fz2)
 {
        gltexture_t *glt;
-       float iwidth, iheight;
+       float iwidth, iheight, idepth;
        if (cls.state == ca_dedicated)
        {
                if (x)
                        *x = 0;
                if (y)
                        *y = 0;
+               if (z)
+                       *z = 0;
                if (fx1 || fy1 || fx2 || fy2)
                {
                        if (fx1)
                                *fx1 = 0;
                        if (fy1)
                                *fy1 = 0;
+                       if (fz1)
+                               *fz1 = 0;
                        if (fx2)
                                *fx2 = 1;
                        if (fy2)
                                *fy2 = 1;
+                       if (fz2)
+                               *fz2 = 1;
                }
                return;
        }
@@ -962,14 +1201,19 @@ void R_FragmentLocation(rtexture_t *rt, int *x, int *y, float *fx1, float *fy1,
                {
                        iwidth = 1.0f / glt->image->width;
                        iheight = 1.0f / glt->image->height;
+                       idepth = 1.0f / glt->image->depth;
                        if (fx1)
                                *fx1 = glt->x * iwidth;
                        if (fy1)
                                *fy1 = glt->y * iheight;
+                       if (fz1)
+                               *fz1 = glt->z * idepth;
                        if (fx2)
                                *fx2 = (glt->x + glt->width) * iwidth;
                        if (fy2)
                                *fy2 = (glt->y + glt->height) * iheight;
+                       if (fz2)
+                               *fz2 = (glt->z + glt->depth) * idepth;
                }
        }
        else
@@ -978,29 +1222,37 @@ void R_FragmentLocation(rtexture_t *rt, int *x, int *y, float *fx1, float *fy1,
                        *x = 0;
                if (y)
                        *y = 0;
+               if (z)
+                       *z = 0;
                if (fx1 || fy1 || fx2 || fy2)
                {
                        if (fx1)
                                *fx1 = 0;
                        if (fy1)
                                *fy1 = 0;
+                       if (fz1)
+                               *fz1 = 0;
                        if (fx2)
                                *fx2 = 1;
                        if (fy2)
                                *fy2 = 1;
+                       if (fz2)
+                               *fz2 = 1;
                }
        }
 }
 
+void R_FragmentLocation(rtexture_t *rt, int *x, int *y, float *fx1, float *fy1, float *fx2, float *fy2)
+{
+       R_FragmentLocation3D(rt, x, y, NULL, fx1, fy1, NULL, fx2, fy2, NULL);
+}
+
 int R_CompatibleFragmentWidth(int width, int textype, int flags)
 {
-       textypeinfo_t *texinfo = R_GetTexTypeInfo(textype, flags);
-       while ((width * texinfo->internalbytesperpixel) & 3)
-               width++;
        return width;
 }
 
-void R_UpdateTexture(rtexture_t *rt, qbyte *data)
+void R_UpdateTexture(rtexture_t *rt, unsigned char *data)
 {
        gltexture_t *glt;
        if (rt == NULL)
@@ -1011,7 +1263,7 @@ void R_UpdateTexture(rtexture_t *rt, qbyte *data)
 
        // if it has not been uploaded yet, update the data that will be used when it is
        if (glt->inputtexels)
-               memcpy(glt->inputtexels, data, glt->width * glt->height * glt->textype->inputbytesperpixel);
+               memcpy(glt->inputtexels, data, glt->inputdatasize);
        else
                R_Upload(glt, data);
 }