11 static void Image_CopyAlphaFromBlueBGRA(unsigned char *outpixels, const unsigned char *inpixels, int w, int h)
15 for(i = 0; i < n; ++i)
16 outpixels[4*i+3] = inpixels[4*i]; // blue channel
20 // written by LordHavoc in a readable way, optimized by Vic, further optimized by LordHavoc (the non-special index case), readable version preserved below this
21 void Image_CopyMux(unsigned char *outpixels, const unsigned char *inpixels, int inputwidth, int inputheight, qboolean inputflipx, qboolean inputflipy, qboolean inputflipdiagonal, int numoutputcomponents, int numinputcomponents, int *outputinputcomponentindices)
24 const unsigned char *in, *line;
25 int row_inc = (inputflipy ? -inputwidth : inputwidth) * numinputcomponents, col_inc = (inputflipx ? -1 : 1) * numinputcomponents;
26 int row_ofs = (inputflipy ? (inputheight - 1) * inputwidth * numinputcomponents : 0), col_ofs = (inputflipx ? (inputwidth - 1) * numinputcomponents : 0);
28 for (c = 0; c < numoutputcomponents; c++)
29 if (outputinputcomponentindices[c] & 0x80000000)
31 if (c < numoutputcomponents)
33 // special indices used
34 if (inputflipdiagonal)
36 for (x = 0, line = inpixels + col_ofs; x < inputwidth; x++, line += col_inc)
37 for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numoutputcomponents)
38 for (c = 0; c < numoutputcomponents; c++)
39 outpixels[c] = ((index = outputinputcomponentindices[c]) & 0x80000000) ? index : in[index];
43 for (y = 0, line = inpixels + row_ofs; y < inputheight; y++, line += row_inc)
44 for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numoutputcomponents)
45 for (c = 0; c < numoutputcomponents; c++)
46 outpixels[c] = ((index = outputinputcomponentindices[c]) & 0x80000000) ? index : in[index];
51 // special indices not used
52 if (inputflipdiagonal)
54 for (x = 0, line = inpixels + col_ofs; x < inputwidth; x++, line += col_inc)
55 for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numoutputcomponents)
56 for (c = 0; c < numoutputcomponents; c++)
57 outpixels[c] = in[outputinputcomponentindices[c]];
61 for (y = 0, line = inpixels + row_ofs; y < inputheight; y++, line += row_inc)
62 for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numoutputcomponents)
63 for (c = 0; c < numoutputcomponents; c++)
64 outpixels[c] = in[outputinputcomponentindices[c]];
69 // intentionally readable version
70 void Image_CopyMux(unsigned char *outpixels, const unsigned char *inpixels, int inputwidth, int inputheight, qboolean inputflipx, qboolean inputflipy, qboolean inputflipdiagonal, int numoutputcomponents, int numinputcomponents, int *outputinputcomponentindices)
73 const unsigned char *in, *inrow, *incolumn;
74 if (inputflipdiagonal)
76 for (x = 0;x < inputwidth;x++)
78 for (y = 0;y < inputheight;y++)
80 in = inpixels + ((inputflipy ? inputheight - 1 - y : y) * inputwidth + (inputflipx ? inputwidth - 1 - x : x)) * numinputcomponents;
81 for (c = 0;c < numoutputcomponents;c++)
83 index = outputinputcomponentindices[c];
84 if (index & 0x80000000)
87 *outpixels++ = in[index];
94 for (y = 0;y < inputheight;y++)
96 for (x = 0;x < inputwidth;x++)
98 in = inpixels + ((inputflipy ? inputheight - 1 - y : y) * inputwidth + (inputflipx ? inputwidth - 1 - x : x)) * numinputcomponents;
99 for (c = 0;c < numoutputcomponents;c++)
101 index = outputinputcomponentindices[c];
102 if (index & 0x80000000)
103 *outpixels++ = index;
105 *outpixels++ = in[index];
113 void Image_GammaRemapRGB(const unsigned char *in, unsigned char *out, int pixels, const unsigned char *gammar, const unsigned char *gammag, const unsigned char *gammab)
117 out[0] = gammar[in[0]];
118 out[1] = gammag[in[1]];
119 out[2] = gammab[in[2]];
125 // note: pal must be 32bit color
126 void Image_Copy8bitBGRA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal)
128 int *iout = (int *)out;
131 iout[0] = pal[in[0]];
132 iout[1] = pal[in[1]];
133 iout[2] = pal[in[2]];
134 iout[3] = pal[in[3]];
135 iout[4] = pal[in[4]];
136 iout[5] = pal[in[5]];
137 iout[6] = pal[in[6]];
138 iout[7] = pal[in[7]];
145 iout[0] = pal[in[0]];
146 iout[1] = pal[in[1]];
147 iout[2] = pal[in[2]];
148 iout[3] = pal[in[3]];
154 iout[0] = pal[in[0]];
155 iout[1] = pal[in[1]];
160 iout[0] = pal[in[0]];
164 =================================================================
168 =================================================================
177 unsigned short xmin,ymin,xmax,ymax;
178 unsigned short hres,vres;
179 unsigned char palette[48];
182 unsigned short bytes_per_line;
183 unsigned short palette_type;
192 static unsigned char* LoadPCX_BGRA (const unsigned char *f, int filesize, int *miplevel)
195 unsigned char *a, *b, *image_buffer, *pbuf;
196 const unsigned char *palette, *fin, *enddata;
197 int x, y, x2, dataByte;
199 if (filesize < (int)sizeof(pcx) + 768)
201 Con_Print("Bad pcx file\n");
207 memcpy(&pcx, fin, sizeof(pcx));
210 // LordHavoc: big-endian support ported from QF newtree
211 pcx.xmax = LittleShort (pcx.xmax);
212 pcx.xmin = LittleShort (pcx.xmin);
213 pcx.ymax = LittleShort (pcx.ymax);
214 pcx.ymin = LittleShort (pcx.ymin);
215 pcx.hres = LittleShort (pcx.hres);
216 pcx.vres = LittleShort (pcx.vres);
217 pcx.bytes_per_line = LittleShort (pcx.bytes_per_line);
218 pcx.palette_type = LittleShort (pcx.palette_type);
220 image_width = pcx.xmax + 1 - pcx.xmin;
221 image_height = pcx.ymax + 1 - pcx.ymin;
222 if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || image_width > 32768 || image_height > 32768 || image_width <= 0 || image_height <= 0)
224 Con_Print("Bad pcx file\n");
228 palette = f + filesize - 768;
230 image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width*image_height*4);
233 Con_Printf("LoadPCX: not enough memory for %i by %i image\n", image_width, image_height);
236 pbuf = image_buffer + image_width*image_height*3;
239 for (y = 0;y < image_height && fin < enddata;y++)
241 a = pbuf + y * image_width;
242 for (x = 0;x < image_width && fin < enddata;)
249 x2 = x + (dataByte & 0x3F);
251 if (x2 > image_width)
252 x2 = image_width; // technically an error
259 while(x < image_width)
266 for(x = 0;x < image_width*image_height;x++)
283 qboolean LoadPCX_QWSkin(const unsigned char *f, int filesize, unsigned char *pixels, int outwidth, int outheight)
287 const unsigned char *fin, *enddata;
288 int x, y, x2, dataByte, pcxwidth, pcxheight;
290 if (filesize < (int)sizeof(pcx) + 768)
293 image_width = outwidth;
294 image_height = outheight;
297 memcpy(&pcx, fin, sizeof(pcx));
300 // LordHavoc: big-endian support ported from QF newtree
301 pcx.xmax = LittleShort (pcx.xmax);
302 pcx.xmin = LittleShort (pcx.xmin);
303 pcx.ymax = LittleShort (pcx.ymax);
304 pcx.ymin = LittleShort (pcx.ymin);
305 pcx.hres = LittleShort (pcx.hres);
306 pcx.vres = LittleShort (pcx.vres);
307 pcx.bytes_per_line = LittleShort (pcx.bytes_per_line);
308 pcx.palette_type = LittleShort (pcx.palette_type);
310 pcxwidth = pcx.xmax + 1 - pcx.xmin;
311 pcxheight = pcx.ymax + 1 - pcx.ymin;
312 if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || pcxwidth > 4096 || pcxheight > 4096 || pcxwidth <= 0 || pcxheight <= 0)
315 enddata = f + filesize - 768;
317 for (y = 0;y < outheight && fin < enddata;y++)
319 a = pixels + y * outwidth;
320 // pad the output with blank lines if needed
323 memset(a, 0, outwidth);
326 for (x = 0;x < pcxwidth;)
333 x2 = x + (dataByte & 0x3F);
345 if (x < outwidth) // truncate to destination width
362 qboolean LoadPCX_PaletteOnly(const unsigned char *f, int filesize, unsigned char *palette768b)
366 memcpy(palette768b, f + filesize - 768, 768);
371 =========================================================
375 =========================================================
378 typedef struct _TargaHeader
380 unsigned char id_length, colormap_type, image_type;
381 unsigned short colormap_index, colormap_length;
382 unsigned char colormap_size;
383 unsigned short x_origin, y_origin, width, height;
384 unsigned char pixel_size, attributes;
388 static void PrintTargaHeader(TargaHeader *t)
390 Con_Printf("TargaHeader:\nuint8 id_length = %i;\nuint8 colormap_type = %i;\nuint8 image_type = %i;\nuint16 colormap_index = %i;\nuint16 colormap_length = %i;\nuint8 colormap_size = %i;\nuint16 x_origin = %i;\nuint16 y_origin = %i;\nuint16 width = %i;\nuint16 height = %i;\nuint8 pixel_size = %i;\nuint8 attributes = %i;\n", t->id_length, t->colormap_type, t->image_type, t->colormap_index, t->colormap_length, t->colormap_size, t->x_origin, t->y_origin, t->width, t->height, t->pixel_size, t->attributes);
398 unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize, int *miplevel)
400 int x, y, pix_inc, row_inci, runlen, alphabits;
401 unsigned char *image_buffer;
402 unsigned int *pixbufi;
403 const unsigned char *fin, *enddata;
404 TargaHeader targa_header;
405 unsigned int palettei[256];
416 enddata = f + filesize;
418 targa_header.id_length = f[0];
419 targa_header.colormap_type = f[1];
420 targa_header.image_type = f[2];
422 targa_header.colormap_index = f[3] + f[4] * 256;
423 targa_header.colormap_length = f[5] + f[6] * 256;
424 targa_header.colormap_size = f[7];
425 targa_header.x_origin = f[8] + f[9] * 256;
426 targa_header.y_origin = f[10] + f[11] * 256;
427 targa_header.width = image_width = f[12] + f[13] * 256;
428 targa_header.height = image_height = f[14] + f[15] * 256;
429 targa_header.pixel_size = f[16];
430 targa_header.attributes = f[17];
432 if (image_width > 32768 || image_height > 32768 || image_width <= 0 || image_height <= 0)
434 Con_Print("LoadTGA: invalid size\n");
435 PrintTargaHeader(&targa_header);
439 memset(palettei, 0, sizeof(palettei));
441 // advance to end of header
444 // skip TARGA image comment (usually 0 bytes)
445 fin += targa_header.id_length;
447 // read/skip the colormap if present (note: according to the TARGA spec it
448 // can be present even on truecolor or greyscale images, just not used by
450 if (targa_header.colormap_type)
452 if (targa_header.colormap_length > 256)
454 Con_Print("LoadTGA: only up to 256 colormap_length supported\n");
455 PrintTargaHeader(&targa_header);
458 if (targa_header.colormap_index)
460 Con_Print("LoadTGA: colormap_index not supported\n");
461 PrintTargaHeader(&targa_header);
464 if (targa_header.colormap_size == 24)
466 for (x = 0;x < targa_header.colormap_length;x++)
472 palettei[x] = bgra.i;
475 else if (targa_header.colormap_size == 32)
477 memcpy(palettei, fin, targa_header.colormap_length*4);
478 fin += targa_header.colormap_length * 4;
482 Con_Print("LoadTGA: Only 32 and 24 bit colormap_size supported\n");
483 PrintTargaHeader(&targa_header);
488 // check our pixel_size restrictions according to image_type
489 switch (targa_header.image_type & ~8)
492 if (targa_header.pixel_size != 24 && targa_header.pixel_size != 32)
494 Con_Print("LoadTGA: only 24bit and 32bit pixel sizes supported for type 2 and type 10 images\n");
495 PrintTargaHeader(&targa_header);
500 // set up a palette to make the loader easier
501 for (x = 0;x < 256;x++)
503 bgra.b[0] = bgra.b[1] = bgra.b[2] = x;
505 palettei[x] = bgra.i;
507 // fall through to colormap case
509 if (targa_header.pixel_size != 8)
511 Con_Print("LoadTGA: only 8bit pixel size for type 1, 3, 9, and 11 images supported\n");
512 PrintTargaHeader(&targa_header);
517 Con_Printf("LoadTGA: Only type 1, 2, 3, 9, 10, and 11 targa RGB images supported, image_type = %i\n", targa_header.image_type);
518 PrintTargaHeader(&targa_header);
522 if (targa_header.attributes & 0x10)
524 Con_Print("LoadTGA: origin must be in top left or bottom left, top right and bottom right are not supported\n");
528 // number of attribute bits per pixel, we only support 0 or 8
529 alphabits = targa_header.attributes & 0x0F;
530 if (alphabits != 8 && alphabits != 0)
532 Con_Print("LoadTGA: only 0 or 8 attribute (alpha) bits supported\n");
536 image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
539 Con_Printf("LoadTGA: not enough memory for %i by %i image\n", image_width, image_height);
543 // If bit 5 of attributes isn't set, the image has been stored from bottom to top
544 if ((targa_header.attributes & 0x20) == 0)
546 pixbufi = (unsigned int*)image_buffer + (image_height - 1)*image_width;
547 row_inci = -image_width*2;
551 pixbufi = (unsigned int*)image_buffer;
556 if ((targa_header.image_type & ~8) == 2)
557 pix_inc = (targa_header.pixel_size + 7) / 8;
558 switch (targa_header.image_type)
560 case 1: // colormapped, uncompressed
561 case 3: // greyscale, uncompressed
562 if (fin + image_width * image_height * pix_inc > enddata)
564 for (y = 0;y < image_height;y++, pixbufi += row_inci)
565 for (x = 0;x < image_width;x++)
566 *pixbufi++ = palettei[*fin++];
569 // BGR or BGRA, uncompressed
570 if (fin + image_width * image_height * pix_inc > enddata)
572 if (targa_header.pixel_size == 32 && alphabits)
574 for (y = 0;y < image_height;y++)
575 memcpy(pixbufi + y * (image_width + row_inci), fin + y * image_width * pix_inc, image_width*4);
579 for (y = 0;y < image_height;y++, pixbufi += row_inci)
581 for (x = 0;x < image_width;x++, fin += pix_inc)
592 case 9: // colormapped, RLE
593 case 11: // greyscale, RLE
594 for (y = 0;y < image_height;y++, pixbufi += row_inci)
596 for (x = 0;x < image_width;)
599 break; // error - truncated file
603 // RLE - all pixels the same color
605 if (fin + pix_inc > enddata)
606 break; // error - truncated file
607 if (x + runlen > image_width)
608 break; // error - line exceeds width
609 bgra.i = palettei[*fin++];
615 // uncompressed - all pixels different color
617 if (fin + pix_inc * runlen > enddata)
618 break; // error - truncated file
619 if (x + runlen > image_width)
620 break; // error - line exceeds width
622 *pixbufi++ = palettei[*fin++];
626 if (x != image_width)
628 // pixbufi is useless now
629 Con_Printf("LoadTGA: corrupt file\n");
636 if (targa_header.pixel_size == 32 && alphabits)
638 for (y = 0;y < image_height;y++, pixbufi += row_inci)
640 for (x = 0;x < image_width;)
643 break; // error - truncated file
647 // RLE - all pixels the same color
649 if (fin + pix_inc > enddata)
650 break; // error - truncated file
651 if (x + runlen > image_width)
652 break; // error - line exceeds width
663 // uncompressed - all pixels different color
665 if (fin + pix_inc * runlen > enddata)
666 break; // error - truncated file
667 if (x + runlen > image_width)
668 break; // error - line exceeds width
681 if (x != image_width)
683 // pixbufi is useless now
684 Con_Printf("LoadTGA: corrupt file\n");
691 for (y = 0;y < image_height;y++, pixbufi += row_inci)
693 for (x = 0;x < image_width;)
696 break; // error - truncated file
700 // RLE - all pixels the same color
702 if (fin + pix_inc > enddata)
703 break; // error - truncated file
704 if (x + runlen > image_width)
705 break; // error - line exceeds width
716 // uncompressed - all pixels different color
718 if (fin + pix_inc * runlen > enddata)
719 break; // error - truncated file
720 if (x + runlen > image_width)
721 break; // error - line exceeds width
734 if (x != image_width)
736 // pixbufi is useless now
737 Con_Printf("LoadTGA: corrupt file\n");
744 // unknown image_type
751 typedef struct q2wal_s
754 unsigned width, height;
755 unsigned offsets[MIPLEVELS]; // four mip maps stored
756 char animname[32]; // next frame in animation chain
762 static unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize, int *miplevel)
764 unsigned char *image_buffer;
765 const q2wal_t *inwal = (const q2wal_t *)f;
767 if (filesize < (int) sizeof(q2wal_t))
769 Con_Print("LoadWAL: invalid WAL file\n");
773 image_width = LittleLong(inwal->width);
774 image_height = LittleLong(inwal->height);
775 if (image_width > 32768 || image_height > 32768 || image_width <= 0 || image_height <= 0)
777 Con_Printf("LoadWAL: invalid size %ix%i\n", image_width, image_height);
781 if (filesize < (int) LittleLong(inwal->offsets[0]) + image_width * image_height)
783 Con_Print("LoadWAL: invalid WAL file\n");
787 image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
790 Con_Printf("LoadWAL: not enough memory for %i by %i image\n", image_width, image_height);
793 Image_Copy8bitBGRA(f + LittleLong(inwal->offsets[0]), image_buffer, image_width * image_height, q2palette_bgra_complete);
797 qboolean LoadWAL_GetMetadata(const unsigned char *f, int filesize, int *retwidth, int *retheight, int *retflags, int *retvalue, int *retcontents, char *retanimname32c)
799 const q2wal_t *inwal = (const q2wal_t *)f;
801 if (filesize < (int) sizeof(q2wal_t))
803 Con_Print("LoadWAL: invalid WAL file\n");
815 memset(retanimname32c, 0, 32);
820 *retwidth = LittleLong(inwal->width);
822 *retheight = LittleLong(inwal->height);
824 *retflags = LittleLong(inwal->flags);
826 *retvalue = LittleLong(inwal->value);
828 *retcontents = LittleLong(inwal->contents);
831 memcpy(retanimname32c, inwal->animname, 32);
832 retanimname32c[31] = 0;
838 void Image_StripImageExtension (const char *in, char *out, size_t size_out)
845 ext = FS_FileExtension(in);
846 if (ext && (!strcmp(ext, "tga") || !strcmp(ext, "pcx") || !strcmp(ext, "lmp") || !strcmp(ext, "png") || !strcmp(ext, "jpg") || !strcmp(ext, "wal")))
847 FS_StripExtension(in, out, size_out);
849 strlcpy(out, in, size_out);
852 static unsigned char image_linearfromsrgb[256];
853 static unsigned char image_srgbfromlinear_lightmap[256];
855 void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pin, int numpixels)
858 // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
859 if (!image_linearfromsrgb[255])
860 for (i = 0;i < 256;i++)
861 image_linearfromsrgb[i] = (unsigned char)floor(Image_LinearFloatFromsRGB(i) * 255.0f + 0.5f);
862 for (i = 0;i < numpixels;i++)
864 pout[i*4+0] = image_linearfromsrgb[pin[i*4+0]];
865 pout[i*4+1] = image_linearfromsrgb[pin[i*4+1]];
866 pout[i*4+2] = image_linearfromsrgb[pin[i*4+2]];
867 pout[i*4+3] = pin[i*4+3];
871 void Image_MakesRGBColorsFromLinear_Lightmap(unsigned char *pout, const unsigned char *pin, int numpixels)
874 // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
875 if (!image_srgbfromlinear_lightmap[255])
876 for (i = 0;i < 256;i++)
877 image_srgbfromlinear_lightmap[i] = (unsigned char)floor(bound(0.0f, Image_sRGBFloatFromLinear_Lightmap(i), 1.0f) * 255.0f + 0.5f);
878 for (i = 0;i < numpixels;i++)
880 pout[i*4+0] = image_srgbfromlinear_lightmap[pin[i*4+0]];
881 pout[i*4+1] = image_srgbfromlinear_lightmap[pin[i*4+1]];
882 pout[i*4+2] = image_srgbfromlinear_lightmap[pin[i*4+2]];
883 pout[i*4+3] = pin[i*4+3];
887 typedef struct imageformat_s
889 const char *formatstring;
890 unsigned char *(*loadfunc)(const unsigned char *f, int filesize, int *miplevel);
894 // GAME_TENEBRAE only
895 imageformat_t imageformats_tenebrae[] =
897 {"override/%s.tga", LoadTGA_BGRA},
898 {"override/%s.png", PNG_LoadImage_BGRA},
899 {"override/%s.jpg", JPEG_LoadImage_BGRA},
900 {"override/%s.pcx", LoadPCX_BGRA},
901 {"%s.tga", LoadTGA_BGRA},
902 {"%s.png", PNG_LoadImage_BGRA},
903 {"%s.jpg", JPEG_LoadImage_BGRA},
904 {"%s.pcx", LoadPCX_BGRA},
908 imageformat_t imageformats_nopath[] =
910 {"override/%s.tga", LoadTGA_BGRA},
911 {"override/%s.png", PNG_LoadImage_BGRA},
912 {"override/%s.jpg", JPEG_LoadImage_BGRA},
913 {"textures/%s.tga", LoadTGA_BGRA},
914 {"textures/%s.png", PNG_LoadImage_BGRA},
915 {"textures/%s.jpg", JPEG_LoadImage_BGRA},
916 {"%s.tga", LoadTGA_BGRA},
917 {"%s.png", PNG_LoadImage_BGRA},
918 {"%s.jpg", JPEG_LoadImage_BGRA},
919 {"%s.pcx", LoadPCX_BGRA},
923 // GAME_DELUXEQUAKE only
924 // VorteX: the point why i use such messy texture paths is
925 // that GtkRadiant can't detect normal/gloss textures
926 // and exclude them from texture browser
927 // so i just use additional folder to store this textures
928 imageformat_t imageformats_dq[] =
930 {"%s.tga", LoadTGA_BGRA},
931 {"%s.jpg", JPEG_LoadImage_BGRA},
932 {"texturemaps/%s.tga", LoadTGA_BGRA},
933 {"texturemaps/%s.jpg", JPEG_LoadImage_BGRA},
937 imageformat_t imageformats_textures[] =
939 {"%s.tga", LoadTGA_BGRA},
940 {"%s.png", PNG_LoadImage_BGRA},
941 {"%s.jpg", JPEG_LoadImage_BGRA},
942 {"%s.pcx", LoadPCX_BGRA},
943 {"%s.wal", LoadWAL_BGRA},
947 imageformat_t imageformats_gfx[] =
949 {"%s.tga", LoadTGA_BGRA},
950 {"%s.png", PNG_LoadImage_BGRA},
951 {"%s.jpg", JPEG_LoadImage_BGRA},
952 {"%s.pcx", LoadPCX_BGRA},
956 imageformat_t imageformats_other[] =
958 {"%s.tga", LoadTGA_BGRA},
959 {"%s.png", PNG_LoadImage_BGRA},
960 {"%s.jpg", JPEG_LoadImage_BGRA},
961 {"%s.pcx", LoadPCX_BGRA},
965 int fixtransparentpixels(unsigned char *data, int w, int h);
966 unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans, qboolean convertsRGB, int *miplevel)
968 fs_offset_t filesize;
969 imageformat_t *firstformat, *format;
970 unsigned char *f, *data = NULL, *data2 = NULL;
971 char basename[MAX_QPATH], name[MAX_QPATH], name2[MAX_QPATH], *c;
973 //if (developer_memorydebug.integer)
974 // Mem_CheckSentinelsGlobal();
975 if (developer_texturelogging.integer)
976 Log_Printf("textures.log", "%s\n", filename);
977 Image_StripImageExtension(filename, basename, sizeof(basename)); // strip filename extensions to allow replacement by other types
978 // replace *'s with #, so commandline utils don't get confused when dealing with the external files
979 for (c = basename;*c;c++)
983 if (strchr(basename, '/'))
986 for (i = 0;i < (int)sizeof(name)-1 && basename[i] != '/';i++)
987 name[i] = basename[i];
990 if (gamemode == GAME_TENEBRAE)
991 firstformat = imageformats_tenebrae;
992 else if (gamemode == GAME_DELUXEQUAKE)
993 firstformat = imageformats_dq;
994 else if (!strcasecmp(name, "textures"))
995 firstformat = imageformats_textures;
996 else if (!strcasecmp(name, "gfx"))
997 firstformat = imageformats_gfx;
998 else if (!strchr(basename, '/'))
999 firstformat = imageformats_nopath;
1001 firstformat = imageformats_other;
1002 // now try all the formats in the selected list
1003 for (format = firstformat;format->formatstring;format++)
1005 dpsnprintf (name, sizeof(name), format->formatstring, basename);
1006 f = FS_LoadFile(name, tempmempool, true, &filesize);
1009 int mymiplevel = miplevel ? *miplevel : 0;
1012 data = format->loadfunc(f, (int)filesize, &mymiplevel);
1016 if(format->loadfunc == JPEG_LoadImage_BGRA) // jpeg can't do alpha, so let's simulate it by loading another jpeg
1018 dpsnprintf (name2, sizeof(name2), format->formatstring, va(vabuf, sizeof(vabuf), "%s_alpha", basename));
1019 f = FS_LoadFile(name2, tempmempool, true, &filesize);
1022 int mymiplevel2 = miplevel ? *miplevel : 0;
1023 int image_width_save = image_width;
1024 int image_height_save = image_height;
1025 data2 = format->loadfunc(f, (int)filesize, &mymiplevel2);
1026 if(data2 && mymiplevel == mymiplevel2 && image_width == image_width_save && image_height == image_height_save)
1027 Image_CopyAlphaFromBlueBGRA(data, data2, image_width, image_height);
1029 Con_Printf("loadimagepixelsrgba: corrupt or invalid alpha image %s_alpha\n", basename);
1030 image_width = image_width_save;
1031 image_height = image_height_save;
1037 if (developer_loading.integer)
1038 Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height);
1040 *miplevel = mymiplevel;
1041 //if (developer_memorydebug.integer)
1042 // Mem_CheckSentinelsGlobal();
1043 if(allowFixtrans && r_fixtrans_auto.integer)
1045 int n = fixtransparentpixels(data, image_width, image_height);
1048 Con_Printf("- had to fix %s (%d pixels changed)\n", name, n);
1049 if(r_fixtrans_auto.integer >= 2)
1051 char outfilename[MAX_QPATH], buf[MAX_QPATH];
1052 Image_StripImageExtension(name, buf, sizeof(buf));
1053 dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
1054 Image_WriteTGABGRA(outfilename, image_width, image_height, data);
1055 Con_Printf("- %s written.\n", outfilename);
1060 Image_MakeLinearColorsFromsRGB(data, data, image_width * image_height);
1064 Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
1069 Con_Printf("Couldn't load %s using ", filename);
1070 for (format = firstformat;format->formatstring;format++)
1072 dpsnprintf (name, sizeof(name), format->formatstring, basename);
1073 Con_Printf(format == firstformat ? "\"%s\"" : (format[1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), format->formatstring);
1077 // texture loading can take a while, so make sure we're sending keepalives
1078 CL_KeepaliveMessage(false);
1080 //if (developer_memorydebug.integer)
1081 // Mem_CheckSentinelsGlobal();
1085 extern cvar_t gl_picmip;
1086 rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans, qboolean sRGB)
1088 unsigned char *data;
1090 int miplevel = R_PicmipForFlags(flags);
1091 if (!(data = loadimagepixelsbgra (filename, complain, allowFixtrans, false, &miplevel)))
1093 rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, sRGB ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, flags, miplevel, NULL);
1098 int fixtransparentpixels(unsigned char *data, int w, int h)
1100 int const FIXTRANS_NEEDED = 1;
1101 int const FIXTRANS_HAS_L = 2;
1102 int const FIXTRANS_HAS_R = 4;
1103 int const FIXTRANS_HAS_U = 8;
1104 int const FIXTRANS_HAS_D = 16;
1105 int const FIXTRANS_FIXED = 32;
1106 unsigned char *fixMask = (unsigned char *) Mem_Alloc(tempmempool, w * h);
1108 int changedPixels = 0;
1111 #define FIXTRANS_PIXEL (y*w+x)
1112 #define FIXTRANS_PIXEL_U (((y+h-1)%h)*w+x)
1113 #define FIXTRANS_PIXEL_D (((y+1)%h)*w+x)
1114 #define FIXTRANS_PIXEL_L (y*w+((x+w-1)%w))
1115 #define FIXTRANS_PIXEL_R (y*w+((x+1)%w))
1117 memset(fixMask, 0, w * h);
1118 for(y = 0; y < h; ++y)
1119 for(x = 0; x < w; ++x)
1121 if(data[FIXTRANS_PIXEL * 4 + 3] == 0)
1123 fixMask[FIXTRANS_PIXEL] |= FIXTRANS_NEEDED;
1128 fixMask[FIXTRANS_PIXEL_D] |= FIXTRANS_HAS_U;
1129 fixMask[FIXTRANS_PIXEL_U] |= FIXTRANS_HAS_D;
1130 fixMask[FIXTRANS_PIXEL_R] |= FIXTRANS_HAS_L;
1131 fixMask[FIXTRANS_PIXEL_L] |= FIXTRANS_HAS_R;
1134 if(fixPixels == w * h)
1135 return 0; // sorry, can't do anything about this
1138 for(y = 0; y < h; ++y)
1139 for(x = 0; x < w; ++x)
1140 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_NEEDED)
1142 unsigned int sumR = 0, sumG = 0, sumB = 0, sumA = 0, sumRA = 0, sumGA = 0, sumBA = 0, cnt = 0;
1143 unsigned char r, g, b, a, r0, g0, b0;
1144 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_U)
1146 r = data[FIXTRANS_PIXEL_U * 4 + 2];
1147 g = data[FIXTRANS_PIXEL_U * 4 + 1];
1148 b = data[FIXTRANS_PIXEL_U * 4 + 0];
1149 a = data[FIXTRANS_PIXEL_U * 4 + 3];
1150 sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
1152 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_D)
1154 r = data[FIXTRANS_PIXEL_D * 4 + 2];
1155 g = data[FIXTRANS_PIXEL_D * 4 + 1];
1156 b = data[FIXTRANS_PIXEL_D * 4 + 0];
1157 a = data[FIXTRANS_PIXEL_D * 4 + 3];
1158 sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
1160 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_L)
1162 r = data[FIXTRANS_PIXEL_L * 4 + 2];
1163 g = data[FIXTRANS_PIXEL_L * 4 + 1];
1164 b = data[FIXTRANS_PIXEL_L * 4 + 0];
1165 a = data[FIXTRANS_PIXEL_L * 4 + 3];
1166 sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
1168 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_R)
1170 r = data[FIXTRANS_PIXEL_R * 4 + 2];
1171 g = data[FIXTRANS_PIXEL_R * 4 + 1];
1172 b = data[FIXTRANS_PIXEL_R * 4 + 0];
1173 a = data[FIXTRANS_PIXEL_R * 4 + 3];
1174 sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
1178 r0 = data[FIXTRANS_PIXEL * 4 + 2];
1179 g0 = data[FIXTRANS_PIXEL * 4 + 1];
1180 b0 = data[FIXTRANS_PIXEL * 4 + 0];
1183 // there is a surrounding non-alpha pixel
1184 r = (sumRA + sumA / 2) / sumA;
1185 g = (sumGA + sumA / 2) / sumA;
1186 b = (sumBA + sumA / 2) / sumA;
1190 // need to use a "regular" average
1191 r = (sumR + cnt / 2) / cnt;
1192 g = (sumG + cnt / 2) / cnt;
1193 b = (sumB + cnt / 2) / cnt;
1195 if(r != r0 || g != g0 || b != b0)
1197 data[FIXTRANS_PIXEL * 4 + 2] = r;
1198 data[FIXTRANS_PIXEL * 4 + 1] = g;
1199 data[FIXTRANS_PIXEL * 4 + 0] = b;
1200 fixMask[FIXTRANS_PIXEL] |= FIXTRANS_FIXED;
1202 for(y = 0; y < h; ++y)
1203 for(x = 0; x < w; ++x)
1204 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_FIXED)
1206 fixMask[FIXTRANS_PIXEL] &= ~(FIXTRANS_NEEDED | FIXTRANS_FIXED);
1207 fixMask[FIXTRANS_PIXEL_D] |= FIXTRANS_HAS_U;
1208 fixMask[FIXTRANS_PIXEL_U] |= FIXTRANS_HAS_D;
1209 fixMask[FIXTRANS_PIXEL_R] |= FIXTRANS_HAS_L;
1210 fixMask[FIXTRANS_PIXEL_L] |= FIXTRANS_HAS_R;
1214 return changedPixels;
1217 void Image_FixTransparentPixels_f(void)
1219 const char *filename, *filename_pattern;
1222 char outfilename[MAX_QPATH], buf[MAX_QPATH];
1223 unsigned char *data;
1226 Con_Printf("Usage: %s imagefile\n", Cmd_Argv(0));
1229 filename_pattern = Cmd_Argv(1);
1230 search = FS_Search(filename_pattern, true, true);
1233 for(i = 0; i < search->numfilenames; ++i)
1235 filename = search->filenames[i];
1236 Con_Printf("Processing %s... ", filename);
1237 Image_StripImageExtension(filename, buf, sizeof(buf));
1238 dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
1239 if(!(data = loadimagepixelsbgra(filename, true, false, false, NULL)))
1241 if((n = fixtransparentpixels(data, image_width, image_height)))
1243 Image_WriteTGABGRA(outfilename, image_width, image_height, data);
1244 Con_Printf("%s written (%d pixels changed).\n", outfilename, n);
1247 Con_Printf("unchanged.\n");
1250 FS_FreeSearch(search);
1253 qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data)
1256 unsigned char buffer[18];
1257 const void *buffers[2];
1258 fs_offset_t sizes[2];
1260 memset (buffer, 0, 18);
1261 buffer[2] = 2; // uncompressed type
1262 buffer[12] = (width >> 0) & 0xFF;
1263 buffer[13] = (width >> 8) & 0xFF;
1264 buffer[14] = (height >> 0) & 0xFF;
1265 buffer[15] = (height >> 8) & 0xFF;
1266 buffer[16] = 24; // pixel size
1268 buffers[0] = buffer;
1271 sizes[1] = width*height*3;
1272 ret = FS_WriteFileInBlocks(filename, buffers, sizes, 2);
1277 qboolean Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data)
1280 unsigned char *buffer, *out;
1281 const unsigned char *in, *end;
1284 buffer = (unsigned char *)Mem_Alloc(tempmempool, width*height*4 + 18);
1286 memset (buffer, 0, 18);
1287 buffer[2] = 2; // uncompressed type
1288 buffer[12] = (width >> 0) & 0xFF;
1289 buffer[13] = (width >> 8) & 0xFF;
1290 buffer[14] = (height >> 0) & 0xFF;
1291 buffer[15] = (height >> 8) & 0xFF;
1293 for (y = 3;y < width*height*4;y += 4)
1297 if (y < width*height*4)
1299 // save the alpha channel
1300 buffer[16] = 32; // pixel size
1301 buffer[17] = 8; // 8 bits of alpha
1305 for (y = height - 1;y >= 0;y--)
1307 memcpy(out, data + y * width * 4, width * 4);
1313 // save only the color channels
1314 buffer[16] = 24; // pixel size
1315 buffer[17] = 0; // 8 bits of alpha
1317 // truncate bgra to bgr and flip upside down
1319 for (y = height - 1;y >= 0;y--)
1321 in = data + y * width * 4;
1322 end = in + width * 4;
1323 for (;in < end;in += 4)
1331 ret = FS_WriteFile (filename, buffer, out - buffer);
1338 static void Image_Resample32LerpLine (const unsigned char *in, unsigned char *out, int inwidth, int outwidth)
1340 int j, xi, oldx = 0, f, fstep, endx, lerp;
1341 fstep = (int) (inwidth*65536.0f/outwidth);
1343 for (j = 0,f = 0;j < outwidth;j++, f += fstep)
1348 in += (xi - oldx) * 4;
1354 *out++ = (unsigned char) ((((in[4] - in[0]) * lerp) >> 16) + in[0]);
1355 *out++ = (unsigned char) ((((in[5] - in[1]) * lerp) >> 16) + in[1]);
1356 *out++ = (unsigned char) ((((in[6] - in[2]) * lerp) >> 16) + in[2]);
1357 *out++ = (unsigned char) ((((in[7] - in[3]) * lerp) >> 16) + in[3]);
1359 else // last pixel of the line has no pixel to lerp to
1369 #define LERPBYTE(i) r = resamplerow1[i];out[i] = (unsigned char) ((((resamplerow2[i] - r) * lerp) >> 16) + r)
1370 static void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
1372 int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth4 = inwidth*4, outwidth4 = outwidth*4;
1374 const unsigned char *inrow;
1375 unsigned char *resamplerow1;
1376 unsigned char *resamplerow2;
1377 out = (unsigned char *)outdata;
1378 fstep = (int) (inheight*65536.0f/outheight);
1380 resamplerow1 = (unsigned char *)Mem_Alloc(tempmempool, outwidth*4*2);
1381 resamplerow2 = resamplerow1 + outwidth*4;
1383 inrow = (const unsigned char *)indata;
1385 Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
1386 Image_Resample32LerpLine (inrow + inwidth4, resamplerow2, inwidth, outwidth);
1387 for (i = 0, f = 0;i < outheight;i++,f += fstep)
1395 inrow = (unsigned char *)indata + inwidth4*yi;
1397 memcpy(resamplerow1, resamplerow2, outwidth4);
1399 Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
1400 Image_Resample32LerpLine (inrow + inwidth4, resamplerow2, inwidth, outwidth);
1451 resamplerow1 -= outwidth4;
1452 resamplerow2 -= outwidth4;
1458 inrow = (unsigned char *)indata + inwidth4*yi;
1460 memcpy(resamplerow1, resamplerow2, outwidth4);
1462 Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
1465 memcpy(out, resamplerow1, outwidth4);
1469 Mem_Free(resamplerow1);
1470 resamplerow1 = NULL;
1471 resamplerow2 = NULL;
1474 static void Image_Resample32Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
1477 unsigned frac, fracstep;
1478 // relies on int being 4 bytes
1480 out = (int *)outdata;
1482 fracstep = inwidth*0x10000/outwidth;
1483 for (i = 0;i < outheight;i++)
1485 inrow = (int *)indata + inwidth*(i*inheight/outheight);
1486 frac = fracstep >> 1;
1490 out[0] = inrow[frac >> 16];frac += fracstep;
1491 out[1] = inrow[frac >> 16];frac += fracstep;
1492 out[2] = inrow[frac >> 16];frac += fracstep;
1493 out[3] = inrow[frac >> 16];frac += fracstep;
1499 out[0] = inrow[frac >> 16];frac += fracstep;
1500 out[1] = inrow[frac >> 16];frac += fracstep;
1505 out[0] = inrow[frac >> 16];frac += fracstep;
1516 void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality)
1518 if (indepth != 1 || outdepth != 1)
1520 Con_Printf ("Image_Resample: 3D resampling not supported\n");
1524 Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
1526 Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
1529 // in can be the same as out
1530 void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth)
1532 const unsigned char *inrow;
1534 if (*depth != 1 || destdepth != 1)
1536 Con_Printf ("Image_Resample: 3D resampling not supported\n");
1537 if (*width > destwidth)
1539 if (*height > destheight)
1541 if (*depth > destdepth)
1545 // note: if given odd width/height this discards the last row/column of
1546 // pixels, rather than doing a proper box-filter scale down
1548 nextrow = *width * 4;
1549 if (*width > destwidth)
1552 if (*height > destheight)
1556 for (y = 0;y < *height;y++, inrow += nextrow * 2)
1558 for (in = inrow, x = 0;x < *width;x++)
1560 out[0] = (unsigned char) ((in[0] + in[4] + in[nextrow ] + in[nextrow+4]) >> 2);
1561 out[1] = (unsigned char) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
1562 out[2] = (unsigned char) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
1563 out[3] = (unsigned char) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
1572 for (y = 0;y < *height;y++, inrow += nextrow)
1574 for (in = inrow, x = 0;x < *width;x++)
1576 out[0] = (unsigned char) ((in[0] + in[4]) >> 1);
1577 out[1] = (unsigned char) ((in[1] + in[5]) >> 1);
1578 out[2] = (unsigned char) ((in[2] + in[6]) >> 1);
1579 out[3] = (unsigned char) ((in[3] + in[7]) >> 1);
1588 if (*height > destheight)
1592 for (y = 0;y < *height;y++, inrow += nextrow * 2)
1594 for (in = inrow, x = 0;x < *width;x++)
1596 out[0] = (unsigned char) ((in[0] + in[nextrow ]) >> 1);
1597 out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
1598 out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
1599 out[3] = (unsigned char) ((in[3] + in[nextrow+3]) >> 1);
1606 Con_Printf ("Image_MipReduce: desired size already achieved\n");
1610 void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
1612 int x, y, x1, x2, y1, y2;
1613 const unsigned char *b, *row[3];
1616 float ibumpscale, n[3];
1617 ibumpscale = (255.0f * 6.0f) / bumpscale;
1619 for (y = 0, y1 = height-1;y < height;y1 = y, y++)
1621 y2 = y + 1;if (y2 >= height) y2 = 0;
1622 row[0] = inpixels + (y1 * width) * 4;
1623 row[1] = inpixels + (y * width) * 4;
1624 row[2] = inpixels + (y2 * width) * 4;
1625 for (x = 0, x1 = width-1;x < width;x1 = x, x++)
1627 x2 = x + 1;if (x2 >= width) x2 = 0;
1629 b = row[1] + x1 * 4;p[0] = (b[0] + b[1] + b[2]);
1630 b = row[1] + x2 * 4;p[1] = (b[0] + b[1] + b[2]);
1632 b = row[0] + x * 4;p[2] = (b[0] + b[1] + b[2]);
1633 b = row[2] + x * 4;p[3] = (b[0] + b[1] + b[2]);
1635 b = row[1] + x * 4;p[4] = (b[0] + b[1] + b[2]);
1636 // calculate a normal from the slopes
1641 // turn it into a dot3 rgb vector texture
1642 out[2] = (int)(128.0f + n[0] * 127.0f);
1643 out[1] = (int)(128.0f + n[1] * 127.0f);
1644 out[0] = (int)(128.0f + n[2] * 127.0f);
1645 out[3] = (p[4]) / 3;