]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - image.c
patch from VorteX which removes special menu behavior for
[xonotic/darkplaces.git] / image.c
diff --git a/image.c b/image.c
index dd2d159194fff656553ae800f4d0d5e3d1aa9058..0745ea608e6fe367b5f4197d5d02578191b50b38 100644 (file)
--- a/image.c
+++ b/image.c
@@ -115,7 +115,7 @@ void Image_GammaRemapRGB(const unsigned char *in, unsigned char *out, int pixels
 }
 
 // note: pal must be 32bit color
-void Image_Copy8bitRGBA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal)
+void Image_Copy8bitBGRA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal)
 {
        int *iout = (int *)out;
        while (pixels >= 8)
@@ -181,10 +181,10 @@ typedef struct pcx_s
 LoadPCX
 ============
 */
-unsigned char* LoadPCX (const unsigned char *f, int filesize, int matchwidth, int matchheight)
+unsigned char* LoadPCX_BGRA (const unsigned char *f, int filesize)
 {
        pcx_t pcx;
-       unsigned char *a, *b, *image_rgba, *pbuf;
+       unsigned char *a, *b, *image_buffer, *pbuf;
        const unsigned char *palette, *fin, *enddata;
        int x, y, x2, dataByte;
 
@@ -216,18 +216,16 @@ unsigned char* LoadPCX (const unsigned char *f, int filesize, int matchwidth, in
                Con_Print("Bad pcx file\n");
                return NULL;
        }
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-               return NULL;
 
        palette = f + filesize - 768;
 
-       image_rgba = (unsigned char *)Mem_Alloc(tempmempool, image_width*image_height*4);
-       if (!image_rgba)
+       image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width*image_height*4);
+       if (!image_buffer)
        {
                Con_Printf("LoadPCX: not enough memory for %i by %i image\n", image_width, image_height);
                return NULL;
        }
-       pbuf = image_rgba + image_width*image_height*3;
+       pbuf = image_buffer + image_width*image_height*3;
        enddata = palette;
 
        for (y = 0;y < image_height && fin < enddata;y++)
@@ -255,19 +253,19 @@ unsigned char* LoadPCX (const unsigned char *f, int filesize, int matchwidth, in
                        a[x++] = 0;
        }
 
-       a = image_rgba;
+       a = image_buffer;
        b = pbuf;
 
        for(x = 0;x < image_width*image_height;x++)
        {
                y = *b++ * 3;
-               *a++ = palette[y];
-               *a++ = palette[y+1];
                *a++ = palette[y+2];
+               *a++ = palette[y+1];
+               *a++ = palette[y];
                *a++ = 255;
        }
 
-       return image_rgba;
+       return image_buffer;
 }
 
 /*
@@ -298,14 +296,20 @@ void PrintTargaHeader(TargaHeader *t)
 LoadTGA
 =============
 */
-unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, int matchheight)
+unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize)
 {
-       int x, y, pix_inc, row_inc, red, green, blue, alpha, runlen, alphabits;
-       unsigned char *pixbuf, *image_rgba;
+       int x, y, pix_inc, row_inci, runlen, alphabits;
+       unsigned char *image_buffer;
+       unsigned int *pixbufi;
        const unsigned char *fin, *enddata;
-       unsigned char *p;
        TargaHeader targa_header;
-       unsigned char palette[256*4];
+       unsigned int palettei[256];
+       union
+       {
+               unsigned int i;
+               unsigned char b[4];
+       }
+       bgra;
 
        if (filesize < 19)
                return NULL;
@@ -329,8 +333,6 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                PrintTargaHeader(&targa_header);
                return NULL;
        }
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-               return NULL;
        targa_header.pixel_size = f[16];
        targa_header.attributes = f[17];
 
@@ -361,21 +363,17 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                {
                        for (x = 0;x < targa_header.colormap_length;x++)
                        {
-                               palette[x*4+2] = *fin++;
-                               palette[x*4+1] = *fin++;
-                               palette[x*4+0] = *fin++;
-                               palette[x*4+3] = 255;
+                               bgra.b[0] = *fin++;
+                               bgra.b[1] = *fin++;
+                               bgra.b[2] = *fin++;
+                               bgra.b[3] = 255;
+                               palettei[x] = bgra.i;
                        }
                }
                else if (targa_header.colormap_size == 32)
                {
-                       for (x = 0;x < targa_header.colormap_length;x++)
-                       {
-                               palette[x*4+2] = *fin++;
-                               palette[x*4+1] = *fin++;
-                               palette[x*4+0] = *fin++;
-                               palette[x*4+3] = *fin++;
-                       }
+                       memcpy(palettei, fin, targa_header.colormap_length*4);
+                       fin += targa_header.colormap_length * 4;
                }
                else
                {
@@ -400,10 +398,9 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                // set up a palette to make the loader easier
                for (x = 0;x < 256;x++)
                {
-                       palette[x*4+2] = x;
-                       palette[x*4+1] = x;
-                       palette[x*4+0] = x;
-                       palette[x*4+3] = 255;
+                       bgra.b[0] = bgra.b[1] = bgra.b[2] = x;
+                       bgra.b[3] = 255;
+                       palettei[x] = bgra.i;
                }
                // fall through to colormap case
        case 1:
@@ -434,8 +431,8 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                return NULL;
        }
 
-       image_rgba = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
-       if (!image_rgba)
+       image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+       if (!image_buffer)
        {
                Con_Printf("LoadTGA: not enough memory for %i by %i image\n", image_width, image_height);
                return NULL;
@@ -444,38 +441,29 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
        // If bit 5 of attributes isn't set, the image has been stored from bottom to top
        if ((targa_header.attributes & 0x20) == 0)
        {
-               pixbuf = image_rgba + (image_height - 1)*image_width*4;
-               row_inc = -image_width*4*2;
+               pixbufi = (unsigned int*)image_buffer + (image_height - 1)*image_width;
+               row_inci = -image_width*2;
        }
        else
        {
-               pixbuf = image_rgba;
-               row_inc = 0;
+               pixbufi = (unsigned int*)image_buffer;
+               row_inci = 0;
        }
 
        x = 0;
        y = 0;
-       red = green = blue = alpha = 255;
        pix_inc = 1;
        if ((targa_header.image_type & ~8) == 2)
-               pix_inc = targa_header.pixel_size / 8;
+               pix_inc = (targa_header.pixel_size + 7) / 8;
        switch (targa_header.image_type)
        {
        case 1: // colormapped, uncompressed
        case 3: // greyscale, uncompressed
                if (fin + image_width * image_height * pix_inc > enddata)
                        break;
-               for (y = 0;y < image_height;y++, pixbuf += row_inc)
-               {
+               for (y = 0;y < image_height;y++, pixbufi += row_inci)
                        for (x = 0;x < image_width;x++)
-                       {
-                               p = palette + *fin++ * 4;
-                               *pixbuf++ = p[0];
-                               *pixbuf++ = p[1];
-                               *pixbuf++ = p[2];
-                               *pixbuf++ = p[3];
-                       }
-               }
+                               *pixbufi++ = palettei[*fin++];
                break;
        case 2:
                // BGR or BGRA, uncompressed
@@ -483,34 +471,27 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                        break;
                if (targa_header.pixel_size == 32 && alphabits)
                {
-                       for (y = 0;y < image_height;y++, pixbuf += row_inc)
-                       {
-                               for (x = 0;x < image_width;x++, fin += pix_inc)
-                               {
-                                       *pixbuf++ = fin[2];
-                                       *pixbuf++ = fin[1];
-                                       *pixbuf++ = fin[0];
-                                       *pixbuf++ = fin[3];
-                               }
-                       }
+                       for (y = 0;y < image_height;y++)
+                               memcpy(pixbufi + y * (image_width + row_inci), fin + y * image_width * pix_inc, image_width*4);
                }
                else
                {
-                       for (y = 0;y < image_height;y++, pixbuf += row_inc)
+                       for (y = 0;y < image_height;y++, pixbufi += row_inci)
                        {
                                for (x = 0;x < image_width;x++, fin += pix_inc)
                                {
-                                       *pixbuf++ = fin[2];
-                                       *pixbuf++ = fin[1];
-                                       *pixbuf++ = fin[0];
-                                       *pixbuf++ = 255;
+                                       bgra.b[0] = fin[0];
+                                       bgra.b[1] = fin[1];
+                                       bgra.b[2] = fin[2];
+                                       bgra.b[3] = 255;
+                                       *pixbufi++ = bgra.i;
                                }
                        }
                }
                break;
        case 9: // colormapped, RLE
        case 11: // greyscale, RLE
-               for (y = 0;y < image_height;y++, pixbuf += row_inc)
+               for (y = 0;y < image_height;y++, pixbufi += row_inci)
                {
                        for (x = 0;x < image_width;)
                        {
@@ -525,18 +506,9 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                break; // error - truncated file
                                        if (x + runlen > image_width)
                                                break; // error - line exceeds width
-                                       p = palette + *fin++ * 4;
-                                       red = p[0];
-                                       green = p[1];
-                                       blue = p[2];
-                                       alpha = p[3];
+                                       bgra.i = palettei[*fin++];
                                        for (;runlen--;x++)
-                                       {
-                                               *pixbuf++ = red;
-                                               *pixbuf++ = green;
-                                               *pixbuf++ = blue;
-                                               *pixbuf++ = alpha;
-                                       }
+                                               *pixbufi++ = bgra.i;
                                }
                                else
                                {
@@ -547,13 +519,7 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                        if (x + runlen > image_width)
                                                break; // error - line exceeds width
                                        for (;runlen--;x++)
-                                       {
-                                               p = palette + *fin++ * 4;
-                                               *pixbuf++ = p[0];
-                                               *pixbuf++ = p[1];
-                                               *pixbuf++ = p[2];
-                                               *pixbuf++ = p[3];
-                                       }
+                                               *pixbufi++ = palettei[*fin++];
                                }
                        }
                }
@@ -562,7 +528,7 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                // BGR or BGRA, RLE
                if (targa_header.pixel_size == 32 && alphabits)
                {
-                       for (y = 0;y < image_height;y++, pixbuf += row_inc)
+                       for (y = 0;y < image_height;y++, pixbufi += row_inci)
                        {
                                for (x = 0;x < image_width;)
                                {
@@ -577,18 +543,13 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                        break; // error - truncated file
                                                if (x + runlen > image_width)
                                                        break; // error - line exceeds width
-                                               red = fin[2];
-                                               green = fin[1];
-                                               blue = fin[0];
-                                               alpha = fin[3];
+                                               bgra.b[0] = fin[0];
+                                               bgra.b[1] = fin[1];
+                                               bgra.b[2] = fin[2];
+                                               bgra.b[3] = fin[3];
                                                fin += pix_inc;
                                                for (;runlen--;x++)
-                                               {
-                                                       *pixbuf++ = red;
-                                                       *pixbuf++ = green;
-                                                       *pixbuf++ = blue;
-                                                       *pixbuf++ = alpha;
-                                               }
+                                                       *pixbufi++ = bgra.i;
                                        }
                                        else
                                        {
@@ -598,12 +559,14 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                        break; // error - truncated file
                                                if (x + runlen > image_width)
                                                        break; // error - line exceeds width
-                                               for (;runlen--;x++, fin += pix_inc)
+                                               for (;runlen--;x++)
                                                {
-                                                       *pixbuf++ = fin[2];
-                                                       *pixbuf++ = fin[1];
-                                                       *pixbuf++ = fin[0];
-                                                       *pixbuf++ = fin[3];
+                                                       bgra.b[0] = fin[0];
+                                                       bgra.b[1] = fin[1];
+                                                       bgra.b[2] = fin[2];
+                                                       bgra.b[3] = fin[3];
+                                                       fin += pix_inc;
+                                                       *pixbufi++ = bgra.i;
                                                }
                                        }
                                }
@@ -611,7 +574,7 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                }
                else
                {
-                       for (y = 0;y < image_height;y++, pixbuf += row_inc)
+                       for (y = 0;y < image_height;y++, pixbufi += row_inci)
                        {
                                for (x = 0;x < image_width;)
                                {
@@ -626,18 +589,13 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                        break; // error - truncated file
                                                if (x + runlen > image_width)
                                                        break; // error - line exceeds width
-                                               red = fin[2];
-                                               green = fin[1];
-                                               blue = fin[0];
-                                               alpha = 255;
+                                               bgra.b[0] = fin[0];
+                                               bgra.b[1] = fin[1];
+                                               bgra.b[2] = fin[2];
+                                               bgra.b[3] = 255;
                                                fin += pix_inc;
                                                for (;runlen--;x++)
-                                               {
-                                                       *pixbuf++ = red;
-                                                       *pixbuf++ = green;
-                                                       *pixbuf++ = blue;
-                                                       *pixbuf++ = alpha;
-                                               }
+                                                       *pixbufi++ = bgra.i;
                                        }
                                        else
                                        {
@@ -647,12 +605,14 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                        break; // error - truncated file
                                                if (x + runlen > image_width)
                                                        break; // error - line exceeds width
-                                               for (;runlen--;x++, fin += pix_inc)
+                                               for (;runlen--;x++)
                                                {
-                                                       *pixbuf++ = fin[2];
-                                                       *pixbuf++ = fin[1];
-                                                       *pixbuf++ = fin[0];
-                                                       *pixbuf++ = 255;
+                                                       bgra.b[0] = fin[0];
+                                                       bgra.b[1] = fin[1];
+                                                       bgra.b[2] = fin[2];
+                                                       bgra.b[3] = 255;
+                                                       fin += pix_inc;
+                                                       *pixbufi++ = bgra.i;
                                                }
                                        }
                                }
@@ -664,55 +624,9 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                break;
        }
 
-       return image_rgba;
-}
-
-/*
-============
-LoadLMP
-============
-*/
-unsigned char *LoadLMP (const unsigned char *f, int filesize, int matchwidth, int matchheight, qboolean loadAs8Bit)
-{
-       unsigned char *image_buffer;
-
-       if (filesize < 9)
-       {
-               Con_Print("LoadLMP: invalid LMP file\n");
-               return NULL;
-       }
-
-       // parse the very complicated header *chuckle*
-       image_width = BuffLittleLong(f);
-       image_height = BuffLittleLong(f + 4);
-       if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
-       {
-               Con_Printf("LoadLMP: invalid size %ix%i\n", image_width, image_height);
-               return NULL;
-       }
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-               return NULL;
-
-       if (filesize < (8 + image_width * image_height))
-       {
-               Con_Print("LoadLMP: invalid LMP file\n");
-               return NULL;
-       }
-
-       if (loadAs8Bit)
-       {
-               image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height);
-               memcpy(image_buffer, f + 8, image_width * image_height);
-       }
-       else
-       {
-               image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
-               Image_Copy8bitRGBA(f + 8, image_buffer, image_width * image_height, palette_transparent);
-       }
        return image_buffer;
 }
 
-
 typedef struct q2wal_s
 {
        char            name[32];
@@ -724,9 +638,9 @@ typedef struct q2wal_s
        int                     value;
 } q2wal_t;
 
-unsigned char *LoadWAL (const unsigned char *f, int filesize, int matchwidth, int matchheight)
+unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize)
 {
-       unsigned char *image_rgba;
+       unsigned char *image_buffer;
        const q2wal_t *inwal = (const q2wal_t *)f;
 
        if (filesize < (int) sizeof(q2wal_t))
@@ -742,8 +656,6 @@ unsigned char *LoadWAL (const unsigned char *f, int filesize, int matchwidth, in
                Con_Printf("LoadWAL: invalid size %ix%i\n", image_width, image_height);
                return NULL;
        }
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-               return NULL;
 
        if (filesize < (int) sizeof(q2wal_t) + (int) LittleLong(inwal->offsets[0]) + image_width * image_height)
        {
@@ -751,14 +663,14 @@ unsigned char *LoadWAL (const unsigned char *f, int filesize, int matchwidth, in
                return NULL;
        }
 
-       image_rgba = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
-       if (!image_rgba)
+       image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+       if (!image_buffer)
        {
-               Con_Printf("LoadLMP: not enough memory for %i by %i image\n", image_width, image_height);
+               Con_Printf("LoadWAL: not enough memory for %i by %i image\n", image_width, image_height);
                return NULL;
        }
-       Image_Copy8bitRGBA(f + LittleLong(inwal->offsets[0]), image_rgba, image_width * image_height, palette_complete);
-       return image_rgba;
+       Image_Copy8bitBGRA(f + LittleLong(inwal->offsets[0]), image_buffer, image_width * image_height, palette_bgra_complete);
+       return image_buffer;
 }
 
 
@@ -779,65 +691,79 @@ void Image_StripImageExtension (const char *in, char *out, size_t size_out)
 typedef struct imageformat_s
 {
        const char *formatstring;
-       unsigned char *(*loadfunc)(const unsigned char *f, int filesize, int matchwidth, int matchheight);
+       unsigned char *(*loadfunc)(const unsigned char *f, int filesize);
 }
 imageformat_t;
 
 // GAME_TENEBRAE only
 imageformat_t imageformats_tenebrae[] =
 {
-       {"override/%s.tga", LoadTGA},
-       {"override/%s.png", PNG_LoadImage},
-       {"override/%s.jpg", JPEG_LoadImage},
-       {"override/%s.pcx", LoadPCX},
+       {"override/%s.tga", LoadTGA_BGRA},
+       {"override/%s.png", PNG_LoadImage_BGRA},
+       {"override/%s.jpg", JPEG_LoadImage_BGRA},
+       {"override/%s.pcx", LoadPCX_BGRA},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_nopath[] =
 {
-       {"override/%s.tga", LoadTGA},
-       {"override/%s.png", PNG_LoadImage},
-       {"override/%s.jpg", JPEG_LoadImage},
-       {"textures/%s.tga", LoadTGA},
-       {"textures/%s.png", PNG_LoadImage},
-       {"textures/%s.jpg", JPEG_LoadImage},
+       {"override/%s.tga", LoadTGA_BGRA},
+       {"override/%s.png", PNG_LoadImage_BGRA},
+       {"override/%s.jpg", JPEG_LoadImage_BGRA},
+       {"textures/%s.tga", LoadTGA_BGRA},
+       {"textures/%s.png", PNG_LoadImage_BGRA},
+       {"textures/%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
+       {NULL, NULL}
+};
+
+// GAME_DELUXEQUAKE only
+// VorteX: the point why i use such messy texture paths is
+// that GtkRadiant can't detect normal/gloss textures
+// and exclude them from texture browser
+// so i just use additional folder to store this textures
+imageformat_t imageformats_dq[] =
+{
        {"%s.tga", LoadTGA},
-       {"%s.png", PNG_LoadImage},
        {"%s.jpg", JPEG_LoadImage},
-       {"%s.pcx", LoadPCX},
+       {"texturemaps/%s.tga", LoadTGA},
+       {"texturemaps/%s.jpg", JPEG_LoadImage},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_textures[] =
 {
-       {"%s.tga", LoadTGA},
-       {"%s.png", PNG_LoadImage},
-       {"%s.jpg", JPEG_LoadImage},
-       {"%s.pcx", LoadPCX},
-       {"%s.wal", LoadWAL},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
+       {"%s.wal", LoadWAL_BGRA},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_gfx[] =
 {
-       {"%s.tga", LoadTGA},
-       {"%s.png", PNG_LoadImage},
-       {"%s.jpg", JPEG_LoadImage},
-       {"%s.pcx", LoadPCX},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_other[] =
 {
-       {"%s.tga", LoadTGA},
-       {"%s.png", PNG_LoadImage},
-       {"%s.jpg", JPEG_LoadImage},
-       {"%s.pcx", LoadPCX},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
        {NULL, NULL}
 };
 
 int fixtransparentpixels(unsigned char *data, int w, int h);
-unsigned char *loadimagepixels (const char *filename, qboolean complain, int matchwidth, int matchheight, qboolean allowFixtrans)
+unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans)
 {
        fs_offset_t filesize;
        imageformat_t *firstformat, *format;
@@ -862,6 +788,8 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
        }
        if (gamemode == GAME_TENEBRAE)
                firstformat = imageformats_tenebrae;
+       else if (gamemode == GAME_DELUXEQUAKE)
+               firstformat = imageformats_dq;
        else if (!strcasecmp(name, "textures"))
                firstformat = imageformats_textures;
        else if (!strcasecmp(name, "gfx"))
@@ -877,7 +805,7 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
                f = FS_LoadFile(name, tempmempool, true, &filesize);
                if (f)
                {
-                       data = format->loadfunc(f, filesize, matchwidth, matchheight);
+                       data = format->loadfunc(f, filesize);
                        Mem_Free(f);
                        if (data)
                        {
@@ -896,7 +824,7 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
                                                        char outfilename[MAX_QPATH], buf[MAX_QPATH];
                                                        Image_StripImageExtension(name, buf, sizeof(buf));
                                                        dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
-                                                       Image_WriteTGARGBA(outfilename, image_width, image_height, data);
+                                                       Image_WriteTGABGRA(outfilename, image_width, image_height, data);
                                                        Con_Printf("- %s written.\n", outfilename);
                                                }
                                        }
@@ -924,13 +852,13 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
        return NULL;
 }
 
-rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags, qboolean allowFixtrans)
+rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans)
 {
        unsigned char *data;
        rtexture_t *rt;
-       if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight, allowFixtrans)))
+       if (!(data = loadimagepixelsbgra (filename, complain, allowFixtrans)))
                return 0;
-       rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
+       rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_BGRA, flags, NULL);
        Mem_Free(data);
        return rt;
 }
@@ -983,41 +911,41 @@ int fixtransparentpixels(unsigned char *data, int w, int h)
                                        unsigned char r, g, b, a, r0, g0, b0;
                                        if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_U)
                                        {
-                                               r = data[FIXTRANS_PIXEL_U * 4 + 0];
+                                               r = data[FIXTRANS_PIXEL_U * 4 + 2];
                                                g = data[FIXTRANS_PIXEL_U * 4 + 1];
-                                               b = data[FIXTRANS_PIXEL_U * 4 + 2];
+                                               b = data[FIXTRANS_PIXEL_U * 4 + 0];
                                                a = data[FIXTRANS_PIXEL_U * 4 + 3];
                                                sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
                                        }
                                        if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_D)
                                        {
-                                               r = data[FIXTRANS_PIXEL_D * 4 + 0];
+                                               r = data[FIXTRANS_PIXEL_D * 4 + 2];
                                                g = data[FIXTRANS_PIXEL_D * 4 + 1];
-                                               b = data[FIXTRANS_PIXEL_D * 4 + 2];
+                                               b = data[FIXTRANS_PIXEL_D * 4 + 0];
                                                a = data[FIXTRANS_PIXEL_D * 4 + 3];
                                                sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
                                        }
                                        if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_L)
                                        {
-                                               r = data[FIXTRANS_PIXEL_L * 4 + 0];
+                                               r = data[FIXTRANS_PIXEL_L * 4 + 2];
                                                g = data[FIXTRANS_PIXEL_L * 4 + 1];
-                                               b = data[FIXTRANS_PIXEL_L * 4 + 2];
+                                               b = data[FIXTRANS_PIXEL_L * 4 + 0];
                                                a = data[FIXTRANS_PIXEL_L * 4 + 3];
                                                sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
                                        }
                                        if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_R)
                                        {
-                                               r = data[FIXTRANS_PIXEL_R * 4 + 0];
+                                               r = data[FIXTRANS_PIXEL_R * 4 + 2];
                                                g = data[FIXTRANS_PIXEL_R * 4 + 1];
-                                               b = data[FIXTRANS_PIXEL_R * 4 + 2];
+                                               b = data[FIXTRANS_PIXEL_R * 4 + 0];
                                                a = data[FIXTRANS_PIXEL_R * 4 + 3];
                                                sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
                                        }
                                        if(!cnt)
                                                continue;
-                                       r0 = data[FIXTRANS_PIXEL * 4 + 0];
+                                       r0 = data[FIXTRANS_PIXEL * 4 + 2];
                                        g0 = data[FIXTRANS_PIXEL * 4 + 1];
-                                       b0 = data[FIXTRANS_PIXEL * 4 + 2];
+                                       b0 = data[FIXTRANS_PIXEL * 4 + 0];
                                        if(sumA)
                                        {
                                                // there is a surrounding non-alpha pixel
@@ -1034,9 +962,9 @@ int fixtransparentpixels(unsigned char *data, int w, int h)
                                        }
                                        if(r != r0 || g != g0 || b != b0)
                                                ++changedPixels;
-                                       data[FIXTRANS_PIXEL * 4 + 0] = r;
+                                       data[FIXTRANS_PIXEL * 4 + 2] = r;
                                        data[FIXTRANS_PIXEL * 4 + 1] = g;
-                                       data[FIXTRANS_PIXEL * 4 + 2] = b;
+                                       data[FIXTRANS_PIXEL * 4 + 0] = b;
                                        fixMask[FIXTRANS_PIXEL] |= FIXTRANS_FIXED;
                                }
                for(y = 0; y < h; ++y)
@@ -1076,11 +1004,11 @@ void Image_FixTransparentPixels_f(void)
                Con_Printf("Processing %s... ", filename);
                Image_StripImageExtension(filename, buf, sizeof(buf));
                dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
-               if(!(data = loadimagepixels(filename, true, 0, 0, false)))
+               if(!(data = loadimagepixelsbgra(filename, true, false)))
                        return;
                if((n = fixtransparentpixels(data, image_width, image_height)))
                {
-                       Image_WriteTGARGBA(outfilename, image_width, image_height, data);
+                       Image_WriteTGABGRA(outfilename, image_width, image_height, data);
                        Con_Printf("%s written (%d pixels changed).\n", outfilename, n);
                }
                else
@@ -1089,11 +1017,9 @@ void Image_FixTransparentPixels_f(void)
        }
 }
 
-qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer)
+qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer)
 {
        qboolean ret;
-       unsigned char *out;
-       const unsigned char *in, *end;
 
        memset (buffer, 0, 18);
        buffer[2] = 2;          // uncompressed type
@@ -1104,21 +1030,13 @@ qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int heig
        buffer[16] = 24;        // pixel size
 
        // swap rgb to bgr
-       in = data;
-       out = buffer + 18;
-       end = in + width*height*3;
-       for (;in < end;in += 3)
-       {
-               *out++ = in[2];
-               *out++ = in[1];
-               *out++ = in[0];
-       }
+       memcpy(buffer + 18, data, width*height*3);
        ret = FS_WriteFile (filename, buffer, width*height*3 + 18 );
 
        return ret;
 }
 
-void Image_WriteTGARGBA (const char *filename, int width, int height, const unsigned char *data)
+void Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data)
 {
        int y;
        unsigned char *buffer, *out;
@@ -1143,21 +1061,13 @@ void Image_WriteTGARGBA (const char *filename, int width, int height, const unsi
                buffer[16] = 32;        // pixel size
                buffer[17] = 8; // 8 bits of alpha
 
-               // swap rgba to bgra and flip upside down
+               // flip upside down
                out = buffer + 18;
                for (y = height - 1;y >= 0;y--)
                {
-                       in = data + y * width * 4;
-                       end = in + width * 4;
-                       for (;in < end;in += 4)
-                       {
-                               *out++ = in[2];
-                               *out++ = in[1];
-                               *out++ = in[0];
-                               *out++ = in[3];
-                       }
+                       memcpy(out, data + y * width * 4, width * 4);
+                       out += width*4;
                }
-               FS_WriteFile (filename, buffer, width*height*4 + 18 );
        }
        else
        {
@@ -1165,7 +1075,7 @@ void Image_WriteTGARGBA (const char *filename, int width, int height, const unsi
                buffer[16] = 24;        // pixel size
                buffer[17] = 0; // 8 bits of alpha
 
-               // swap rgba to bgr and flip upside down
+               // truncate bgra to bgr and flip upside down
                out = buffer + 18;
                for (y = height - 1;y >= 0;y--)
                {
@@ -1173,13 +1083,13 @@ void Image_WriteTGARGBA (const char *filename, int width, int height, const unsi
                        end = in + width * 4;
                        for (;in < end;in += 4)
                        {
-                               *out++ = in[2];
-                               *out++ = in[1];
                                *out++ = in[0];
+                               *out++ = in[1];
+                               *out++ = in[2];
                        }
                }
-               FS_WriteFile (filename, buffer, width*height*3 + 18 );
        }
+       FS_WriteFile (filename, buffer, out - buffer);
 
        Mem_Free(buffer);
 }
@@ -1215,35 +1125,6 @@ static void Image_Resample32LerpLine (const unsigned char *in, unsigned char *ou
        }
 }
 
-static void Image_Resample24LerpLine (const unsigned char *in, unsigned char *out, int inwidth, int outwidth)
-{
-       int             j, xi, oldx = 0, f, fstep, endx, lerp;
-       fstep = (int) (inwidth*65536.0f/outwidth);
-       endx = (inwidth-1);
-       for (j = 0,f = 0;j < outwidth;j++, f += fstep)
-       {
-               xi = f >> 16;
-               if (xi != oldx)
-               {
-                       in += (xi - oldx) * 3;
-                       oldx = xi;
-               }
-               if (xi < endx)
-               {
-                       lerp = f & 0xFFFF;
-                       *out++ = (unsigned char) ((((in[3] - in[0]) * lerp) >> 16) + in[0]);
-                       *out++ = (unsigned char) ((((in[4] - in[1]) * lerp) >> 16) + in[1]);
-                       *out++ = (unsigned char) ((((in[5] - in[2]) * lerp) >> 16) + in[2]);
-               }
-               else // last pixel of the line has no pixel to lerp to
-               {
-                       *out++ = in[0];
-                       *out++ = in[1];
-                       *out++ = in[2];
-               }
-       }
-}
-
 #define LERPBYTE(i) r = resamplerow1[i];out[i] = (unsigned char) ((((resamplerow2[i] - r) * lerp) >> 16) + r)
 void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
 {
@@ -1386,169 +1267,26 @@ void Image_Resample32Nolerp(const void *indata, int inwidth, int inheight, void
        }
 }
 
-void Image_Resample24Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
-{
-       int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth3 = inwidth * 3, outwidth3 = outwidth * 3;
-       unsigned char *out;
-       const unsigned char *inrow;
-       unsigned char *resamplerow1;
-       unsigned char *resamplerow2;
-       out = (unsigned char *)outdata;
-       fstep = (int) (inheight*65536.0f/outheight);
-
-       resamplerow1 = (unsigned char *)Mem_Alloc(tempmempool, outwidth*3*2);
-       resamplerow2 = resamplerow1 + outwidth*3;
-
-       inrow = (const unsigned char *)indata;
-       oldy = 0;
-       Image_Resample24LerpLine (inrow, resamplerow1, inwidth, outwidth);
-       Image_Resample24LerpLine (inrow + inwidth3, resamplerow2, inwidth, outwidth);
-       for (i = 0, f = 0;i < outheight;i++,f += fstep)
-       {
-               yi = f >> 16;
-               if (yi < endy)
-               {
-                       lerp = f & 0xFFFF;
-                       if (yi != oldy)
-                       {
-                               inrow = (unsigned char *)indata + inwidth3*yi;
-                               if (yi == oldy+1)
-                                       memcpy(resamplerow1, resamplerow2, outwidth3);
-                               else
-                                       Image_Resample24LerpLine (inrow, resamplerow1, inwidth, outwidth);
-                               Image_Resample24LerpLine (inrow + inwidth3, resamplerow2, inwidth, outwidth);
-                               oldy = yi;
-                       }
-                       j = outwidth - 4;
-                       while(j >= 0)
-                       {
-                               LERPBYTE( 0);
-                               LERPBYTE( 1);
-                               LERPBYTE( 2);
-                               LERPBYTE( 3);
-                               LERPBYTE( 4);
-                               LERPBYTE( 5);
-                               LERPBYTE( 6);
-                               LERPBYTE( 7);
-                               LERPBYTE( 8);
-                               LERPBYTE( 9);
-                               LERPBYTE(10);
-                               LERPBYTE(11);
-                               out += 12;
-                               resamplerow1 += 12;
-                               resamplerow2 += 12;
-                               j -= 4;
-                       }
-                       if (j & 2)
-                       {
-                               LERPBYTE( 0);
-                               LERPBYTE( 1);
-                               LERPBYTE( 2);
-                               LERPBYTE( 3);
-                               LERPBYTE( 4);
-                               LERPBYTE( 5);
-                               out += 6;
-                               resamplerow1 += 6;
-                               resamplerow2 += 6;
-                       }
-                       if (j & 1)
-                       {
-                               LERPBYTE( 0);
-                               LERPBYTE( 1);
-                               LERPBYTE( 2);
-                               out += 3;
-                               resamplerow1 += 3;
-                               resamplerow2 += 3;
-                       }
-                       resamplerow1 -= outwidth3;
-                       resamplerow2 -= outwidth3;
-               }
-               else
-               {
-                       if (yi != oldy)
-                       {
-                               inrow = (unsigned char *)indata + inwidth3*yi;
-                               if (yi == oldy+1)
-                                       memcpy(resamplerow1, resamplerow2, outwidth3);
-                               else
-                                       Image_Resample24LerpLine (inrow, resamplerow1, inwidth, outwidth);
-                               oldy = yi;
-                       }
-                       memcpy(out, resamplerow1, outwidth3);
-               }
-       }
-       Mem_Free(resamplerow1);
-       resamplerow1 = NULL;
-       resamplerow2 = NULL;
-}
-
-void Image_Resample24Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
-{
-       int i, j, f, inwidth3 = inwidth * 3;
-       unsigned frac, fracstep;
-       unsigned char *inrow, *out;
-       out = (unsigned char *)outdata;
-
-       fracstep = inwidth*0x10000/outwidth;
-       for (i = 0;i < outheight;i++)
-       {
-               inrow = (unsigned char *)indata + inwidth3*(i*inheight/outheight);
-               frac = fracstep >> 1;
-               j = outwidth - 4;
-               while (j >= 0)
-               {
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       j -= 4;
-               }
-               if (j & 2)
-               {
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       out += 2;
-               }
-               if (j & 1)
-               {
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       out += 1;
-               }
-       }
-}
-
 /*
 ================
 Image_Resample
 ================
 */
-void Image_Resample (const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int bytesperpixel, int quality)
+void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality)
 {
        if (indepth != 1 || outdepth != 1)
        {
                Con_Printf ("Image_Resample: 3D resampling not supported\n");
                return;
        }
-       if (bytesperpixel == 4)
-       {
-               if (quality)
-                       Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
-               else
-                       Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
-       }
-       else if (bytesperpixel == 3)
-       {
-               if (quality)
-                       Image_Resample24Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
-               else
-                       Image_Resample24Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
-       }
+       if (quality)
+               Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
        else
-               Con_Printf ("Image_Resample: unsupported bytesperpixel %i\n", bytesperpixel);
+               Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
 }
 
 // in can be the same as out
-void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth, int bytesperpixel)
+void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth)
 {
        const unsigned char *inrow;
        int x, y, nextrow;
@@ -1566,7 +1304,7 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
        // note: if given odd width/height this discards the last row/column of
        // pixels, rather than doing a proper box-filter scale down
        inrow = in;
-       nextrow = *width * bytesperpixel;
+       nextrow = *width * 4;
        if (*width > destwidth)
        {
                *width >>= 1;
@@ -1574,72 +1312,34 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                {
                        // reduce both
                        *height >>= 1;
-                       if (bytesperpixel == 4)
+                       for (y = 0;y < *height;y++, inrow += nextrow * 2)
                        {
-                               for (y = 0;y < *height;y++, inrow += nextrow * 2)
+                               for (in = inrow, x = 0;x < *width;x++)
                                {
-                                       for (in = inrow, x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[4] + in[nextrow  ] + in[nextrow+4]) >> 2);
-                                               out[1] = (unsigned char) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
-                                               out[2] = (unsigned char) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
-                                               out[3] = (unsigned char) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
-                                               out += 4;
-                                               in += 8;
-                                       }
+                                       out[0] = (unsigned char) ((in[0] + in[4] + in[nextrow  ] + in[nextrow+4]) >> 2);
+                                       out[1] = (unsigned char) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
+                                       out[2] = (unsigned char) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
+                                       out[3] = (unsigned char) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
+                                       out += 4;
+                                       in += 8;
                                }
                        }
-                       else if (bytesperpixel == 3)
-                       {
-                               for (y = 0;y < *height;y++, inrow += nextrow * 2)
-                               {
-                                       for (in = inrow, x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[3] + in[nextrow  ] + in[nextrow+3]) >> 2);
-                                               out[1] = (unsigned char) ((in[1] + in[4] + in[nextrow+1] + in[nextrow+4]) >> 2);
-                                               out[2] = (unsigned char) ((in[2] + in[5] + in[nextrow+2] + in[nextrow+5]) >> 2);
-                                               out += 3;
-                                               in += 6;
-                                       }
-                               }
-                       }
-                       else
-                               Con_Printf ("Image_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
                }
                else
                {
                        // reduce width
-                       if (bytesperpixel == 4)
-                       {
-                               for (y = 0;y < *height;y++, inrow += nextrow)
-                               {
-                                       for (in = inrow, x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[4]) >> 1);
-                                               out[1] = (unsigned char) ((in[1] + in[5]) >> 1);
-                                               out[2] = (unsigned char) ((in[2] + in[6]) >> 1);
-                                               out[3] = (unsigned char) ((in[3] + in[7]) >> 1);
-                                               out += 4;
-                                               in += 8;
-                                       }
-                               }
-                       }
-                       else if (bytesperpixel == 3)
+                       for (y = 0;y < *height;y++, inrow += nextrow)
                        {
-                               for (y = 0;y < *height;y++, inrow += nextrow)
+                               for (in = inrow, x = 0;x < *width;x++)
                                {
-                                       for (in = inrow, x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[3]) >> 1);
-                                               out[1] = (unsigned char) ((in[1] + in[4]) >> 1);
-                                               out[2] = (unsigned char) ((in[2] + in[5]) >> 1);
-                                               out += 3;
-                                               in += 6;
-                                       }
+                                       out[0] = (unsigned char) ((in[0] + in[4]) >> 1);
+                                       out[1] = (unsigned char) ((in[1] + in[5]) >> 1);
+                                       out[2] = (unsigned char) ((in[2] + in[6]) >> 1);
+                                       out[3] = (unsigned char) ((in[3] + in[7]) >> 1);
+                                       out += 4;
+                                       in += 8;
                                }
                        }
-                       else
-                               Con_Printf ("Image_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
                }
        }
        else
@@ -1648,44 +1348,25 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                {
                        // reduce height
                        *height >>= 1;
-                       if (bytesperpixel == 4)
+                       for (y = 0;y < *height;y++, inrow += nextrow * 2)
                        {
-                               for (y = 0;y < *height;y++, inrow += nextrow * 2)
+                               for (in = inrow, x = 0;x < *width;x++)
                                {
-                                       for (in = inrow, x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[nextrow  ]) >> 1);
-                                               out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
-                                               out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
-                                               out[3] = (unsigned char) ((in[3] + in[nextrow+3]) >> 1);
-                                               out += 4;
-                                               in += 4;
-                                       }
+                                       out[0] = (unsigned char) ((in[0] + in[nextrow  ]) >> 1);
+                                       out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
+                                       out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
+                                       out[3] = (unsigned char) ((in[3] + in[nextrow+3]) >> 1);
+                                       out += 4;
+                                       in += 4;
                                }
                        }
-                       else if (bytesperpixel == 3)
-                       {
-                               for (y = 0;y < *height;y++, inrow += nextrow * 2)
-                               {
-                                       for (in = inrow, x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[nextrow  ]) >> 1);
-                                               out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
-                                               out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
-                                               out += 3;
-                                               in += 3;
-                                       }
-                               }
-                       }
-                       else
-                               Con_Printf ("Image_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
                }
                else
                        Con_Printf ("Image_MipReduce: desired size already achieved\n");
        }
 }
 
-void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
+void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
 {
        int x, y, x1, x2, y1, y2;
        const unsigned char *b, *row[3];
@@ -1719,9 +1400,9 @@ void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *ou
                        n[2] = ibumpscale;
                        VectorNormalize(n);
                        // turn it into a dot3 rgb vector texture
-                       out[0] = (int)(128.0f + n[0] * 127.0f);
+                       out[2] = (int)(128.0f + n[0] * 127.0f);
                        out[1] = (int)(128.0f + n[1] * 127.0f);
-                       out[2] = (int)(128.0f + n[2] * 127.0f);
+                       out[0] = (int)(128.0f + n[2] * 127.0f);
                        out[3] = (p[4]) / 3;
                        out += 4;
                }