diff options
Diffstat (limited to 'ioq3-r437/src/renderer/tr_image.c')
| -rw-r--r-- | ioq3-r437/src/renderer/tr_image.c | 2570 |
1 files changed, 0 insertions, 2570 deletions
diff --git a/ioq3-r437/src/renderer/tr_image.c b/ioq3-r437/src/renderer/tr_image.c deleted file mode 100644 index 15d6c7ec..00000000 --- a/ioq3-r437/src/renderer/tr_image.c +++ /dev/null @@ -1,2570 +0,0 @@ -/* -=========================================================================== -Copyright (C) 1999-2005 Id Software, Inc. - -This file is part of Quake III Arena source code. - -Quake III Arena source code is free software; you can redistribute it -and/or modify it under the terms of the GNU General Public License as -published by the Free Software Foundation; either version 2 of the License, -or (at your option) any later version. - -Quake III Arena source code is distributed in the hope that it will be -useful, but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with Quake III Arena source code; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ -// tr_image.c -#include "tr_local.h" - -/* - * Include file for users of JPEG library. - * You will need to have included system headers that define at least - * the typedefs FILE and size_t before you can include jpeglib.h. - * (stdio.h is sufficient on ANSI-conforming systems.) - * You may also wish to include "jerror.h". - */ - -#define JPEG_INTERNALS -#include "../jpeg-6/jpeglib.h" - - -static void LoadBMP( const char *name, byte **pic, int *width, int *height ); -static void LoadTGA( const char *name, byte **pic, int *width, int *height ); -static void LoadJPG( const char *name, byte **pic, int *width, int *height ); - -static byte s_intensitytable[256]; -static unsigned char s_gammatable[256]; - -int gl_filter_min = GL_LINEAR_MIPMAP_NEAREST; -int gl_filter_max = GL_LINEAR; - -#define FILE_HASH_SIZE 1024 -static image_t* hashTable[FILE_HASH_SIZE]; - -/* -** R_GammaCorrect -*/ -void R_GammaCorrect( byte *buffer, int bufSize ) { - int i; - - for ( i = 0; i < bufSize; i++ ) { - buffer[i] = s_gammatable[buffer[i]]; - } -} - -typedef struct { - char *name; - int minimize, maximize; -} textureMode_t; - -textureMode_t modes[] = { - {"GL_NEAREST", GL_NEAREST, GL_NEAREST}, - {"GL_LINEAR", GL_LINEAR, GL_LINEAR}, - {"GL_NEAREST_MIPMAP_NEAREST", GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST}, - {"GL_LINEAR_MIPMAP_NEAREST", GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR}, - {"GL_NEAREST_MIPMAP_LINEAR", GL_NEAREST_MIPMAP_LINEAR, GL_NEAREST}, - {"GL_LINEAR_MIPMAP_LINEAR", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR} -}; - -/* -================ -return a hash value for the filename -================ -*/ -static long generateHashValue( const char *fname ) { - int i; - long hash; - char letter; - - hash = 0; - i = 0; - while (fname[i] != '\0') { - letter = tolower(fname[i]); - if (letter =='.') break; // don't include extension - if (letter =='\\') letter = '/'; // damn path names - hash+=(long)(letter)*(i+119); - i++; - } - hash &= (FILE_HASH_SIZE-1); - return hash; -} - -/* -=============== -GL_TextureMode -=============== -*/ -void GL_TextureMode( const char *string ) { - int i; - image_t *glt; - - for ( i=0 ; i< 6 ; i++ ) { - if ( !Q_stricmp( modes[i].name, string ) ) { - break; - } - } - - // hack to prevent trilinear from being set on voodoo, - // because their driver freaks... - if ( i == 5 && glConfig.hardwareType == GLHW_3DFX_2D3D ) { - ri.Printf( PRINT_ALL, "Refusing to set trilinear on a voodoo.\n" ); - i = 3; - } - - - if ( i == 6 ) { - ri.Printf (PRINT_ALL, "bad filter name\n"); - return; - } - - gl_filter_min = modes[i].minimize; - gl_filter_max = modes[i].maximize; - - // change all the existing mipmap texture objects - for ( i = 0 ; i < tr.numImages ; i++ ) { - glt = tr.images[ i ]; - if ( glt->mipmap ) { - GL_Bind (glt); - qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min); - qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max); - } - } -} - -/* -=============== -R_SumOfUsedImages -=============== -*/ -int R_SumOfUsedImages( void ) { - int total; - int i; - - total = 0; - for ( i = 0; i < tr.numImages; i++ ) { - if ( tr.images[i]->frameUsed == tr.frameCount ) { - total += tr.images[i]->uploadWidth * tr.images[i]->uploadHeight; - } - } - - return total; -} - -/* -=============== -R_ImageList_f -=============== -*/ -void R_ImageList_f( void ) { - int i; - image_t *image; - int texels; - const char *yesno[] = { - "no ", "yes" - }; - - ri.Printf (PRINT_ALL, "\n -w-- -h-- -mm- -TMU- -if-- wrap --name-------\n"); - texels = 0; - - for ( i = 0 ; i < tr.numImages ; i++ ) { - image = tr.images[ i ]; - - texels += image->uploadWidth*image->uploadHeight; - ri.Printf (PRINT_ALL, "%4i: %4i %4i %s %d ", - i, image->uploadWidth, image->uploadHeight, yesno[image->mipmap], image->TMU ); - switch ( image->internalFormat ) { - case 1: - ri.Printf( PRINT_ALL, "I " ); - break; - case 2: - ri.Printf( PRINT_ALL, "IA " ); - break; - case 3: - ri.Printf( PRINT_ALL, "RGB " ); - break; - case 4: - ri.Printf( PRINT_ALL, "RGBA " ); - break; - case GL_RGBA8: - ri.Printf( PRINT_ALL, "RGBA8" ); - break; - case GL_RGB8: - ri.Printf( PRINT_ALL, "RGB8" ); - break; - case GL_RGB4_S3TC: - ri.Printf( PRINT_ALL, "S3TC " ); - break; - case GL_RGBA4: - ri.Printf( PRINT_ALL, "RGBA4" ); - break; - case GL_RGB5: - ri.Printf( PRINT_ALL, "RGB5 " ); - break; - default: - ri.Printf( PRINT_ALL, "???? " ); - } - - switch ( image->wrapClampMode ) { - case GL_REPEAT: - ri.Printf( PRINT_ALL, "rept " ); - break; - case GL_CLAMP: - ri.Printf( PRINT_ALL, "clmp " ); - break; - default: - ri.Printf( PRINT_ALL, "%4i ", image->wrapClampMode ); - break; - } - - ri.Printf( PRINT_ALL, " %s\n", image->imgName ); - } - ri.Printf (PRINT_ALL, " ---------\n"); - ri.Printf (PRINT_ALL, " %i total texels (not including mipmaps)\n", texels); - ri.Printf (PRINT_ALL, " %i total images\n\n", tr.numImages ); -} - -//======================================================================= - -/* -================ -ResampleTexture - -Used to resample images in a more general than quartering fashion. - -This will only be filtered properly if the resampled size -is greater than half the original size. - -If a larger shrinking is needed, use the mipmap function -before or after. -================ -*/ -static void ResampleTexture( unsigned *in, int inwidth, int inheight, unsigned *out, - int outwidth, int outheight ) { - int i, j; - unsigned *inrow, *inrow2; - unsigned frac, fracstep; - unsigned p1[2048], p2[2048]; - byte *pix1, *pix2, *pix3, *pix4; - - if (outwidth>2048) - ri.Error(ERR_DROP, "ResampleTexture: max width"); - - fracstep = inwidth*0x10000/outwidth; - - frac = fracstep>>2; - for ( i=0 ; i<outwidth ; i++ ) { - p1[i] = 4*(frac>>16); - frac += fracstep; - } - frac = 3*(fracstep>>2); - for ( i=0 ; i<outwidth ; i++ ) { - p2[i] = 4*(frac>>16); - frac += fracstep; - } - - for (i=0 ; i<outheight ; i++, out += outwidth) { - inrow = in + inwidth*(int)((i+0.25)*inheight/outheight); - inrow2 = in + inwidth*(int)((i+0.75)*inheight/outheight); - frac = fracstep >> 1; - for (j=0 ; j<outwidth ; j++) { - pix1 = (byte *)inrow + p1[j]; - pix2 = (byte *)inrow + p2[j]; - pix3 = (byte *)inrow2 + p1[j]; - pix4 = (byte *)inrow2 + p2[j]; - ((byte *)(out+j))[0] = (pix1[0] + pix2[0] + pix3[0] + pix4[0])>>2; - ((byte *)(out+j))[1] = (pix1[1] + pix2[1] + pix3[1] + pix4[1])>>2; - ((byte *)(out+j))[2] = (pix1[2] + pix2[2] + pix3[2] + pix4[2])>>2; - ((byte *)(out+j))[3] = (pix1[3] + pix2[3] + pix3[3] + pix4[3])>>2; - } - } -} - -/* -================ -R_LightScaleTexture - -Scale up the pixel values in a texture to increase the -lighting range -================ -*/ -void R_LightScaleTexture (unsigned *in, int inwidth, int inheight, qboolean only_gamma ) -{ - if ( only_gamma ) - { - if ( !glConfig.deviceSupportsGamma ) - { - int i, c; - byte *p; - - p = (byte *)in; - - c = inwidth*inheight; - for (i=0 ; i<c ; i++, p+=4) - { - p[0] = s_gammatable[p[0]]; - p[1] = s_gammatable[p[1]]; - p[2] = s_gammatable[p[2]]; - } - } - } - else - { - int i, c; - byte *p; - - p = (byte *)in; - - c = inwidth*inheight; - - if ( glConfig.deviceSupportsGamma ) - { - for (i=0 ; i<c ; i++, p+=4) - { - p[0] = s_intensitytable[p[0]]; - p[1] = s_intensitytable[p[1]]; - p[2] = s_intensitytable[p[2]]; - } - } - else - { - for (i=0 ; i<c ; i++, p+=4) - { - p[0] = s_gammatable[s_intensitytable[p[0]]]; - p[1] = s_gammatable[s_intensitytable[p[1]]]; - p[2] = s_gammatable[s_intensitytable[p[2]]]; - } - } - } -} - - -/* -================ -R_MipMap2 - -Operates in place, quartering the size of the texture -Proper linear filter -================ -*/ -static void R_MipMap2( unsigned *in, int inWidth, int inHeight ) { - int i, j, k; - byte *outpix; - int inWidthMask, inHeightMask; - int total; - int outWidth, outHeight; - unsigned *temp; - - outWidth = inWidth >> 1; - outHeight = inHeight >> 1; - temp = ri.Hunk_AllocateTempMemory( outWidth * outHeight * 4 ); - - inWidthMask = inWidth - 1; - inHeightMask = inHeight - 1; - - for ( i = 0 ; i < outHeight ; i++ ) { - for ( j = 0 ; j < outWidth ; j++ ) { - outpix = (byte *) ( temp + i * outWidth + j ); - for ( k = 0 ; k < 4 ; k++ ) { - total = - 1 * ((byte *)&in[ ((i*2-1)&inHeightMask)*inWidth + ((j*2-1)&inWidthMask) ])[k] + - 2 * ((byte *)&in[ ((i*2-1)&inHeightMask)*inWidth + ((j*2)&inWidthMask) ])[k] + - 2 * ((byte *)&in[ ((i*2-1)&inHeightMask)*inWidth + ((j*2+1)&inWidthMask) ])[k] + - 1 * ((byte *)&in[ ((i*2-1)&inHeightMask)*inWidth + ((j*2+2)&inWidthMask) ])[k] + - - 2 * ((byte *)&in[ ((i*2)&inHeightMask)*inWidth + ((j*2-1)&inWidthMask) ])[k] + - 4 * ((byte *)&in[ ((i*2)&inHeightMask)*inWidth + ((j*2)&inWidthMask) ])[k] + - 4 * ((byte *)&in[ ((i*2)&inHeightMask)*inWidth + ((j*2+1)&inWidthMask) ])[k] + - 2 * ((byte *)&in[ ((i*2)&inHeightMask)*inWidth + ((j*2+2)&inWidthMask) ])[k] + - - 2 * ((byte *)&in[ ((i*2+1)&inHeightMask)*inWidth + ((j*2-1)&inWidthMask) ])[k] + - 4 * ((byte *)&in[ ((i*2+1)&inHeightMask)*inWidth + ((j*2)&inWidthMask) ])[k] + - 4 * ((byte *)&in[ ((i*2+1)&inHeightMask)*inWidth + ((j*2+1)&inWidthMask) ])[k] + - 2 * ((byte *)&in[ ((i*2+1)&inHeightMask)*inWidth + ((j*2+2)&inWidthMask) ])[k] + - - 1 * ((byte *)&in[ ((i*2+2)&inHeightMask)*inWidth + ((j*2-1)&inWidthMask) ])[k] + - 2 * ((byte *)&in[ ((i*2+2)&inHeightMask)*inWidth + ((j*2)&inWidthMask) ])[k] + - 2 * ((byte *)&in[ ((i*2+2)&inHeightMask)*inWidth + ((j*2+1)&inWidthMask) ])[k] + - 1 * ((byte *)&in[ ((i*2+2)&inHeightMask)*inWidth + ((j*2+2)&inWidthMask) ])[k]; - outpix[k] = total / 36; - } - } - } - - Com_Memcpy( in, temp, outWidth * outHeight * 4 ); - ri.Hunk_FreeTempMemory( temp ); -} - -/* -================ -R_MipMap - -Operates in place, quartering the size of the texture -================ -*/ -static void R_MipMap (byte *in, int width, int height) { - int i, j; - byte *out; - int row; - - if ( !r_simpleMipMaps->integer ) { - R_MipMap2( (unsigned *)in, width, height ); - return; - } - - if ( width == 1 && height == 1 ) { - return; - } - - row = width * 4; - out = in; - width >>= 1; - height >>= 1; - - if ( width == 0 || height == 0 ) { - width += height; // get largest - for (i=0 ; i<width ; i++, out+=4, in+=8 ) { - out[0] = ( in[0] + in[4] )>>1; - out[1] = ( in[1] + in[5] )>>1; - out[2] = ( in[2] + in[6] )>>1; - out[3] = ( in[3] + in[7] )>>1; - } - return; - } - - for (i=0 ; i<height ; i++, in+=row) { - for (j=0 ; j<width ; j++, out+=4, in+=8) { - out[0] = (in[0] + in[4] + in[row+0] + in[row+4])>>2; - out[1] = (in[1] + in[5] + in[row+1] + in[row+5])>>2; - out[2] = (in[2] + in[6] + in[row+2] + in[row+6])>>2; - out[3] = (in[3] + in[7] + in[row+3] + in[row+7])>>2; - } - } -} - - -/* -================== -R_BlendOverTexture - -Apply a color blend over a set of pixels -================== -*/ -static void R_BlendOverTexture( byte *data, int pixelCount, byte blend[4] ) { - int i; - int inverseAlpha; - int premult[3]; - - inverseAlpha = 255 - blend[3]; - premult[0] = blend[0] * blend[3]; - premult[1] = blend[1] * blend[3]; - premult[2] = blend[2] * blend[3]; - - for ( i = 0 ; i < pixelCount ; i++, data+=4 ) { - data[0] = ( data[0] * inverseAlpha + premult[0] ) >> 9; - data[1] = ( data[1] * inverseAlpha + premult[1] ) >> 9; - data[2] = ( data[2] * inverseAlpha + premult[2] ) >> 9; - } -} - -byte mipBlendColors[16][4] = { - {0,0,0,0}, - {255,0,0,128}, - {0,255,0,128}, - {0,0,255,128}, - {255,0,0,128}, - {0,255,0,128}, - {0,0,255,128}, - {255,0,0,128}, - {0,255,0,128}, - {0,0,255,128}, - {255,0,0,128}, - {0,255,0,128}, - {0,0,255,128}, - {255,0,0,128}, - {0,255,0,128}, - {0,0,255,128}, -}; - - -/* -=============== -Upload32 - -=============== -*/ -extern qboolean charSet; -static void Upload32( unsigned *data, - int width, int height, - qboolean mipmap, - qboolean picmip, - qboolean lightMap, - int *format, - int *pUploadWidth, int *pUploadHeight ) -{ - int samples; - unsigned *scaledBuffer = NULL; - unsigned *resampledBuffer = NULL; - int scaled_width, scaled_height; - int i, c; - byte *scan; - GLenum internalFormat = GL_RGB; - float rMax = 0, gMax = 0, bMax = 0; - - // - // convert to exact power of 2 sizes - // - for (scaled_width = 1 ; scaled_width < width ; scaled_width<<=1) - ; - for (scaled_height = 1 ; scaled_height < height ; scaled_height<<=1) - ; - if ( r_roundImagesDown->integer && scaled_width > width ) - scaled_width >>= 1; - if ( r_roundImagesDown->integer && scaled_height > height ) - scaled_height >>= 1; - - if ( scaled_width != width || scaled_height != height ) { - resampledBuffer = ri.Hunk_AllocateTempMemory( scaled_width * scaled_height * 4 ); - ResampleTexture (data, width, height, resampledBuffer, scaled_width, scaled_height); - data = resampledBuffer; - width = scaled_width; - height = scaled_height; - } - - // - // perform optional picmip operation - // - if ( picmip ) { - scaled_width >>= r_picmip->integer; - scaled_height >>= r_picmip->integer; - } - - // - // clamp to minimum size - // - if (scaled_width < 1) { - scaled_width = 1; - } - if (scaled_height < 1) { - scaled_height = 1; - } - - // - // clamp to the current upper OpenGL limit - // scale both axis down equally so we don't have to - // deal with a half mip resampling - // - while ( scaled_width > glConfig.maxTextureSize - || scaled_height > glConfig.maxTextureSize ) { - scaled_width >>= 1; - scaled_height >>= 1; - } - - scaledBuffer = ri.Hunk_AllocateTempMemory( sizeof( unsigned ) * scaled_width * scaled_height ); - - // - // scan the texture for each channel's max values - // and verify if the alpha channel is being used or not - // - c = width*height; - scan = ((byte *)data); - samples = 3; - if (!lightMap) { - for ( i = 0; i < c; i++ ) - { - if ( scan[i*4+0] > rMax ) - { - rMax = scan[i*4+0]; - } - if ( scan[i*4+1] > gMax ) - { - gMax = scan[i*4+1]; - } - if ( scan[i*4+2] > bMax ) - { - bMax = scan[i*4+2]; - } - if ( scan[i*4 + 3] != 255 ) - { - samples = 4; - break; - } - } - // select proper internal format - if ( samples == 3 ) - { - if ( glConfig.textureCompression == TC_S3TC ) - { - internalFormat = GL_RGB4_S3TC; - } - else if ( r_texturebits->integer == 16 ) - { - internalFormat = GL_RGB5; - } - else if ( r_texturebits->integer == 32 ) - { - internalFormat = GL_RGB8; - } - else - { - internalFormat = 3; - } - } - else if ( samples == 4 ) - { - if ( r_texturebits->integer == 16 ) - { - internalFormat = GL_RGBA4; - } - else if ( r_texturebits->integer == 32 ) - { - internalFormat = GL_RGBA8; - } - else - { - internalFormat = 4; - } - } - } else { - internalFormat = 3; - } - // copy or resample data as appropriate for first MIP level - if ( ( scaled_width == width ) && - ( scaled_height == height ) ) { - if (!mipmap) - { - qglTexImage2D (GL_TEXTURE_2D, 0, internalFormat, scaled_width, scaled_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data); - *pUploadWidth = scaled_width; - *pUploadHeight = scaled_height; - *format = internalFormat; - - goto done; - } - Com_Memcpy (scaledBuffer, data, width*height*4); - } - else - { - // use the normal mip-mapping function to go down from here - while ( width > scaled_width || height > scaled_height ) { - R_MipMap( (byte *)data, width, height ); - width >>= 1; - height >>= 1; - if ( width < 1 ) { - width = 1; - } - if ( height < 1 ) { - height = 1; - } - } - Com_Memcpy( scaledBuffer, data, width * height * 4 ); - } - - R_LightScaleTexture (scaledBuffer, scaled_width, scaled_height, !mipmap ); - - *pUploadWidth = scaled_width; - *pUploadHeight = scaled_height; - *format = internalFormat; - - qglTexImage2D (GL_TEXTURE_2D, 0, internalFormat, scaled_width, scaled_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, scaledBuffer ); - - if (mipmap) - { - int miplevel; - - miplevel = 0; - while (scaled_width > 1 || scaled_height > 1) - { - R_MipMap( (byte *)scaledBuffer, scaled_width, scaled_height ); - scaled_width >>= 1; - scaled_height >>= 1; - if (scaled_width < 1) - scaled_width = 1; - if (scaled_height < 1) - scaled_height = 1; - miplevel++; - - if ( r_colorMipLevels->integer ) { - R_BlendOverTexture( (byte *)scaledBuffer, scaled_width * scaled_height, mipBlendColors[miplevel] ); - } - - qglTexImage2D (GL_TEXTURE_2D, miplevel, internalFormat, scaled_width, scaled_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, scaledBuffer ); - } - } -done: - - if (mipmap) - { - qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min); - qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max); - } - else - { - qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); - qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); - } - - GL_CheckErrors(); - - if ( scaledBuffer != 0 ) - ri.Hunk_FreeTempMemory( scaledBuffer ); - if ( resampledBuffer != 0 ) - ri.Hunk_FreeTempMemory( resampledBuffer ); -} - - -/* -================ -R_CreateImage - -This is the only way any image_t are created -================ -*/ -image_t *R_CreateImage( const char *name, const byte *pic, int width, int height, - qboolean mipmap, qboolean allowPicmip, int glWrapClampMode ) { - image_t *image; - qboolean isLightmap = qfalse; - long hash; - - if (strlen(name) >= MAX_QPATH ) { - ri.Error (ERR_DROP, "R_CreateImage: \"%s\" is too long\n", name); - } - if ( !strncmp( name, "*lightmap", 9 ) ) { - isLightmap = qtrue; - } - - if ( tr.numImages == MAX_DRAWIMAGES ) { - ri.Error( ERR_DROP, "R_CreateImage: MAX_DRAWIMAGES hit\n"); - } - - image = tr.images[tr.numImages] = ri.Hunk_Alloc( sizeof( image_t ), h_low ); - image->texnum = 1024 + tr.numImages; - tr.numImages++; - - image->mipmap = mipmap; - image->allowPicmip = allowPicmip; - - strcpy (image->imgName, name); - - image->width = width; - image->height = height; - image->wrapClampMode = glWrapClampMode; - - // lightmaps are always allocated on TMU 1 - if ( qglActiveTextureARB && isLightmap ) { - image->TMU = 1; - } else { - image->TMU = 0; - } - - if ( qglActiveTextureARB ) { - GL_SelectTexture( image->TMU ); - } - - GL_Bind(image); - - Upload32( (unsigned *)pic, image->width, image->height, - image->mipmap, - allowPicmip, - isLightmap, - &image->internalFormat, - &image->uploadWidth, - &image->uploadHeight ); - - qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, glWrapClampMode ); - qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, glWrapClampMode ); - - qglBindTexture( GL_TEXTURE_2D, 0 ); - - if ( image->TMU == 1 ) { - GL_SelectTexture( 0 ); - } - - hash = generateHashValue(name); - image->next = hashTable[hash]; - hashTable[hash] = image; - - return image; -} - - -/* -========================================================= - -BMP LOADING - -========================================================= -*/ -typedef struct -{ - char id[2]; - unsigned long fileSize; - unsigned long reserved0; - unsigned long bitmapDataOffset; - unsigned long bitmapHeaderSize; - unsigned long width; - unsigned long height; - unsigned short planes; - unsigned short bitsPerPixel; - unsigned long compression; - unsigned long bitmapDataSize; - unsigned long hRes; - unsigned long vRes; - unsigned long colors; - unsigned long importantColors; - unsigned char palette[256][4]; -} BMPHeader_t; - -static void LoadBMP( const char *name, byte **pic, int *width, int *height ) -{ - int columns, rows; - unsigned numPixels; - byte *pixbuf; - int row, column; - byte *buf_p; - byte *buffer; - int length; - BMPHeader_t bmpHeader; - byte *bmpRGBA; - - *pic = NULL; - - // - // load the file - // - length = ri.FS_ReadFile( ( char * ) name, (void **)&buffer); - if (!buffer) { - return; - } - - buf_p = buffer; - - bmpHeader.id[0] = *buf_p++; - bmpHeader.id[1] = *buf_p++; - bmpHeader.fileSize = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.reserved0 = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.bitmapDataOffset = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.bitmapHeaderSize = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.width = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.height = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.planes = LittleShort( * ( short * ) buf_p ); - buf_p += 2; - bmpHeader.bitsPerPixel = LittleShort( * ( short * ) buf_p ); - buf_p += 2; - bmpHeader.compression = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.bitmapDataSize = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.hRes = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.vRes = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.colors = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - bmpHeader.importantColors = LittleLong( * ( long * ) buf_p ); - buf_p += 4; - - Com_Memcpy( bmpHeader.palette, buf_p, sizeof( bmpHeader.palette ) ); - - if ( bmpHeader.bitsPerPixel == 8 ) - buf_p += 1024; - - if ( bmpHeader.id[0] != 'B' && bmpHeader.id[1] != 'M' ) - { - ri.Error( ERR_DROP, "LoadBMP: only Windows-style BMP files supported (%s)\n", name ); - } - if ( bmpHeader.fileSize != length ) - { - ri.Error( ERR_DROP, "LoadBMP: header size does not match file size (%d vs. %d) (%s)\n", bmpHeader.fileSize, length, name ); - } - if ( bmpHeader.compression != 0 ) - { - ri.Error( ERR_DROP, "LoadBMP: only uncompressed BMP files supported (%s)\n", name ); - } - if ( bmpHeader.bitsPerPixel < 8 ) - { - ri.Error( ERR_DROP, "LoadBMP: monochrome and 4-bit BMP files not supported (%s)\n", name ); - } - - columns = bmpHeader.width; - rows = bmpHeader.height; - if ( rows < 0 ) - rows = -rows; - numPixels = columns * rows; - - if(columns <= 0 || !rows || numPixels > 0x1FFFFFFF // 4*1FFFFFFF == 0x7FFFFFFC < 0x7FFFFFFF - || ((numPixels * 4) / columns) / 4 != rows) - { - ri.Error (ERR_DROP, "LoadBMP: %s has an invalid image size\n", name); - } - - if ( width ) - *width = columns; - if ( height ) - *height = rows; - - bmpRGBA = ri.Malloc( numPixels * 4 ); - *pic = bmpRGBA; - - - for ( row = rows-1; row >= 0; row-- ) - { - pixbuf = bmpRGBA + row*columns*4; - - for ( column = 0; column < columns; column++ ) - { - unsigned char red, green, blue, alpha; - int palIndex; - unsigned short shortPixel; - - switch ( bmpHeader.bitsPerPixel ) - { - case 8: - palIndex = *buf_p++; - *pixbuf++ = bmpHeader.palette[palIndex][2]; - *pixbuf++ = bmpHeader.palette[palIndex][1]; - *pixbuf++ = bmpHeader.palette[palIndex][0]; - *pixbuf++ = 0xff; - break; - case 16: - shortPixel = * ( unsigned short * ) pixbuf; - pixbuf += 2; - *pixbuf++ = ( shortPixel & ( 31 << 10 ) ) >> 7; - *pixbuf++ = ( shortPixel & ( 31 << 5 ) ) >> 2; - *pixbuf++ = ( shortPixel & ( 31 ) ) << 3; - *pixbuf++ = 0xff; - break; - - case 24: - blue = *buf_p++; - green = *buf_p++; - red = *buf_p++; - *pixbuf++ = red; - *pixbuf++ = green; - *pixbuf++ = blue; - *pixbuf++ = 255; - break; - case 32: - blue = *buf_p++; - green = *buf_p++; - red = *buf_p++; - alpha = *buf_p++; - *pixbuf++ = red; - *pixbuf++ = green; - *pixbuf++ = blue; - *pixbuf++ = alpha; - break; - default: - ri.Error( ERR_DROP, "LoadBMP: illegal pixel_size '%d' in file '%s'\n", bmpHeader.bitsPerPixel, name ); - break; - } - } - } - - ri.FS_FreeFile( buffer ); - -} - - -/* -================================================================= - -PCX LOADING - -================================================================= -*/ - - -/* -============== -LoadPCX -============== -*/ -static void LoadPCX ( const char *filename, byte **pic, byte **palette, int *width, int *height) -{ - byte *raw; - pcx_t *pcx; - int x, y; - int len; - int dataByte, runLength; - byte *out, *pix; - unsigned xmax, ymax; - - *pic = NULL; - *palette = NULL; - - // - // load the file - // - len = ri.FS_ReadFile( ( char * ) filename, (void **)&raw); - if (!raw) { - return; - } - - // - // parse the PCX file - // - pcx = (pcx_t *)raw; - raw = &pcx->data; - - xmax = LittleShort(pcx->xmax); - ymax = LittleShort(pcx->ymax); - - if (pcx->manufacturer != 0x0a - || pcx->version != 5 - || pcx->encoding != 1 - || pcx->bits_per_pixel != 8 - || xmax >= 1024 - || ymax >= 1024) - { - ri.Printf (PRINT_ALL, "Bad pcx file %s (%i x %i) (%i x %i)\n", filename, xmax+1, ymax+1, pcx->xmax, pcx->ymax); - return; - } - - out = ri.Malloc ( (ymax+1) * (xmax+1) ); - - *pic = out; - - pix = out; - - if (palette) - { - *palette = ri.Malloc(768); - Com_Memcpy (*palette, (byte *)pcx + len - 768, 768); - } - - if (width) - *width = xmax+1; - if (height) - *height = ymax+1; -// FIXME: use bytes_per_line here? - - for (y=0 ; y<=ymax ; y++, pix += xmax+1) - { - for (x=0 ; x<=xmax ; ) - { - dataByte = *raw++; - - if((dataByte & 0xC0) == 0xC0) - { - runLength = dataByte & 0x3F; - dataByte = *raw++; - } - else - runLength = 1; - - while(runLength-- > 0) - pix[x++] = dataByte; - } - - } - - if ( raw - (byte *)pcx > len) - { - ri.Printf (PRINT_DEVELOPER, "PCX file %s was malformed", filename); - ri.Free (*pic); - *pic = NULL; - } - - ri.FS_FreeFile (pcx); -} - - -/* -============== -LoadPCX32 -============== -*/ -static void LoadPCX32 ( const char *filename, byte **pic, int *width, int *height) { - byte *palette; - byte *pic8; - int i, c, p; - byte *pic32; - - LoadPCX (filename, &pic8, &palette, width, height); - if (!pic8) { - *pic = NULL; - return; - } - - // LoadPCX32 ensures width, height < 1024 - c = (*width) * (*height); - pic32 = *pic = ri.Malloc(4 * c ); - for (i = 0 ; i < c ; i++) { - p = pic8[i]; - pic32[0] = palette[p*3]; - pic32[1] = palette[p*3 + 1]; - pic32[2] = palette[p*3 + 2]; - pic32[3] = 255; - pic32 += 4; - } - - ri.Free (pic8); - ri.Free (palette); -} - -/* -========================================================= - -TARGA LOADING - -========================================================= -*/ - -/* -============= -LoadTGA -============= -*/ -static void LoadTGA ( const char *name, byte **pic, int *width, int *height) -{ - unsigned columns, rows, numPixels; - byte *pixbuf; - int row, column; - byte *buf_p; - byte *buffer; - TargaHeader targa_header; - byte *targa_rgba; - - *pic = NULL; - - // - // load the file - // - ri.FS_ReadFile ( ( char * ) name, (void **)&buffer); - if (!buffer) { - return; - } - - buf_p = buffer; - - targa_header.id_length = buf_p[0]; - targa_header.colormap_type = buf_p[1]; - targa_header.image_type = buf_p[2]; - - memcpy(&targa_header.colormap_index, &buf_p[3], 2); - memcpy(&targa_header.colormap_length, &buf_p[5], 2); - targa_header.colormap_size = buf_p[7]; - memcpy(&targa_header.x_origin, &buf_p[8], 2); - memcpy(&targa_header.y_origin, &buf_p[10], 2); - memcpy(&targa_header.width, &buf_p[12], 2); - memcpy(&targa_header.height, &buf_p[14], 2); - targa_header.pixel_size = buf_p[16]; - targa_header.attributes = buf_p[17]; - - targa_header.colormap_index = LittleShort(targa_header.colormap_index); - targa_header.colormap_length = LittleShort(targa_header.colormap_length); - targa_header.x_origin = LittleShort(targa_header.x_origin); - targa_header.y_origin = LittleShort(targa_header.y_origin); - targa_header.width = LittleShort(targa_header.width); - targa_header.height = LittleShort(targa_header.height); - - buf_p += 18; - - if (targa_header.image_type!=2 - && targa_header.image_type!=10 - && targa_header.image_type != 3 ) - { - ri.Error (ERR_DROP, "LoadTGA: Only type 2 (RGB), 3 (gray), and 10 (RGB) TGA images supported\n"); - } - - if ( targa_header.colormap_type != 0 ) - { - ri.Error( ERR_DROP, "LoadTGA: colormaps not supported\n" ); - } - - if ( ( targa_header.pixel_size != 32 && targa_header.pixel_size != 24 ) && targa_header.image_type != 3 ) - { - ri.Error (ERR_DROP, "LoadTGA: Only 32 or 24 bit images supported (no colormaps)\n"); - } - - columns = targa_header.width; - rows = targa_header.height; - numPixels = columns * rows * 4; - - if (width) - *width = columns; - if (height) - *height = rows; - - if(!columns || !rows || numPixels > 0x7FFFFFFF || numPixels / columns / 4 != rows) - { - ri.Error (ERR_DROP, "LoadTGA: %s has an invalid image size\n", name); - } - - targa_rgba = ri.Malloc (numPixels); - *pic = targa_rgba; - - if (targa_header.id_length != 0) - buf_p += targa_header.id_length; // skip TARGA image comment - - if ( targa_header.image_type==2 || targa_header.image_type == 3 ) - { - // Uncompressed RGB or gray scale image - for(row=rows-1; row>=0; row--) - { - pixbuf = targa_rgba + row*columns*4; - for(column=0; column<columns; column++) - { - unsigned char red,green,blue,alphabyte; - switch (targa_header.pixel_size) - { - - case 8: - blue = *buf_p++; - green = blue; - red = blue; - *pixbuf++ = red; - *pixbuf++ = green; - *pixbuf++ = blue; - *pixbuf++ = 255; - break; - - case 24: - blue = *buf_p++; - green = *buf_p++; - red = *buf_p++; - *pixbuf++ = red; - *pixbuf++ = green; - *pixbuf++ = blue; - *pixbuf++ = 255; - break; - case 32: - blue = *buf_p++; - green = *buf_p++; - red = *buf_p++; - alphabyte = *buf_p++; - *pixbuf++ = red; - *pixbuf++ = green; - *pixbuf++ = blue; - *pixbuf++ = alphabyte; - break; - default: - ri.Error( ERR_DROP, "LoadTGA: illegal pixel_size '%d' in file '%s'\n", targa_header.pixel_size, name ); - break; - } - } - } - } - else if (targa_header.image_type==10) { // Runlength encoded RGB images - unsigned char red,green,blue,alphabyte,packetHeader,packetSize,j; - - red = 0; - green = 0; - blue = 0; - alphabyte = 0xff; - - for(row=rows-1; row>=0; row--) { - pixbuf = targa_rgba + row*columns*4; - for(column=0; column<columns; ) { - packetHeader= *buf_p++; - packetSize = 1 + (packetHeader & 0x7f); - if (packetHeader & 0x80) { // run-length packet - switch (targa_header.pixel_size) { - case 24: - blue = *buf_p++; - green = *buf_p++; - red = *buf_p++; - alphabyte = 255; - break; - case 32: - blue = *buf_p++; - green = *buf_p++; - red = *buf_p++; - alphabyte = *buf_p++; - break; - default: - ri.Error( ERR_DROP, "LoadTGA: illegal pixel_size '%d' in file '%s'\n", targa_header.pixel_size, name ); - break; - } - - for(j=0;j<packetSize;j++) { - *pixbuf++=red; - *pixbuf++=green; - *pixbuf++=blue; - *pixbuf++=alphabyte; - column++; - if (column==columns) { // run spans across rows - column=0; - if (row>0) - row--; - else - goto breakOut; - pixbuf = targa_rgba + row*columns*4; - } - } - } - else { // non run-length packet - for(j=0;j<packetSize;j++) { - switch (targa_header.pixel_size) { - case 24: - blue = *buf_p++; - green = *buf_p++; - red = *buf_p++; - *pixbuf++ = red; - *pixbuf++ = green; - *pixbuf++ = blue; - *pixbuf++ = 255; - break; - case 32: - blue = *buf_p++; - green = *buf_p++; - red = *buf_p++; - alphabyte = *buf_p++; - *pixbuf++ = red; - *pixbuf++ = green; - *pixbuf++ = blue; - *pixbuf++ = alphabyte; - break; - default: - ri.Error( ERR_DROP, "LoadTGA: illegal pixel_size '%d' in file '%s'\n", targa_header.pixel_size, name ); - break; - } - column++; - if (column==columns) { // pixel packet run spans across rows - column=0; - if (row>0) - row--; - else - goto breakOut; - pixbuf = targa_rgba + row*columns*4; - } - } - } - } - breakOut:; - } - } - -#if 0 - // TTimo: this is the chunk of code to ensure a behavior that meets TGA specs - // bk0101024 - fix from Leonardo - // bit 5 set => top-down - if (targa_header.attributes & 0x20) { - unsigned char *flip = (unsigned char*)malloc (columns*4); - unsigned char *src, *dst; - - for (row = 0; row < rows/2; row++) { - src = targa_rgba + row * 4 * columns; - dst = targa_rgba + (rows - row - 1) * 4 * columns; - - memcpy (flip, src, columns*4); - memcpy (src, dst, columns*4); - memcpy (dst, flip, columns*4); - } - free (flip); - } -#endif - // instead we just print a warning - if (targa_header.attributes & 0x20) { - ri.Printf( PRINT_WARNING, "WARNING: '%s' TGA file header declares top-down image, ignoring\n", name); - } - - ri.FS_FreeFile (buffer); -} - -static void LoadJPG( const char *filename, unsigned char **pic, int *width, int *height ) { - /* This struct contains the JPEG decompression parameters and pointers to - * working space (which is allocated as needed by the JPEG library). - */ - struct jpeg_decompress_struct cinfo = {NULL}; - /* We use our private extension JPEG error handler. - * Note that this struct must live as long as the main JPEG parameter - * struct, to avoid dangling-pointer problems. - */ - /* This struct represents a JPEG error handler. It is declared separately - * because applications often want to supply a specialized error handler - * (see the second half of this file for an example). But here we just - * take the easy way out and use the standard error handler, which will - * print a message on stderr and call exit() if compression fails. - * Note that this struct must live as long as the main JPEG parameter - * struct, to avoid dangling-pointer problems. - */ - struct jpeg_error_mgr jerr; - /* More stuff */ - JSAMPARRAY buffer; /* Output row buffer */ - unsigned row_stride; /* physical row width in output buffer */ - unsigned pixelcount, memcount; - unsigned char *out; - byte *fbuffer; - byte *buf; - - /* In this example we want to open the input file before doing anything else, - * so that the setjmp() error recovery below can assume the file is open. - * VERY IMPORTANT: use "b" option to fopen() if you are on a machine that - * requires it in order to read binary files. - */ - - ri.FS_ReadFile ( ( char * ) filename, (void **)&fbuffer); - if (!fbuffer) { - return; - } - - /* Step 1: allocate and initialize JPEG decompression object */ - - /* We have to set up the error handler first, in case the initialization - * step fails. (Unlikely, but it could happen if you are out of memory.) - * This routine fills in the contents of struct jerr, and returns jerr's - * address which we place into the link field in cinfo. - */ - cinfo.err = jpeg_std_error(&jerr); - - /* Now we can initialize the JPEG decompression object. */ - jpeg_create_decompress(&cinfo); - - /* Step 2: specify data source (eg, a file) */ - - jpeg_stdio_src(&cinfo, fbuffer); - - /* Step 3: read file parameters with jpeg_read_header() */ - - (void) jpeg_read_header(&cinfo, TRUE); - /* We can ignore the return value from jpeg_read_header since - * (a) suspension is not possible with the stdio data source, and - * (b) we passed TRUE to reject a tables-only JPEG file as an error. - * See libjpeg.doc for more info. - */ - - /* Step 4: set parameters for decompression */ - - /* In this example, we don't need to change any of the defaults set by - * jpeg_read_header(), so we do nothing here. - */ - - /* Step 5: Start decompressor */ - - (void) jpeg_start_decompress(&cinfo); - /* We can ignore the return value since suspension is not possible - * with the stdio data source. - */ - - /* We may need to do some setup of our own at this point before reading - * the data. After jpeg_start_decompress() we have the correct scaled - * output image dimensions available, as well as the output colormap - * if we asked for color quantization. - * In this example, we need to make an output work buffer of the right size. - */ - /* JSAMPLEs per row in output buffer */ - - pixelcount = cinfo.output_width * cinfo.output_height; - - if(!cinfo.output_width || !cinfo.output_height - || ((pixelcount * 4) / cinfo.output_width) / 4 != cinfo.output_height - || pixelcount > 0x1FFFFFFF || cinfo.output_components > 4) // 4*1FFFFFFF == 0x7FFFFFFC < 0x7FFFFFFF - { - ri.Error (ERR_DROP, "LoadJPG: %s has an invalid image size: %dx%d*4=%d, components: %d\n", filename, - cinfo.output_width, cinfo.output_height, pixelcount * 4, cinfo.output_components); - } - - memcount = pixelcount * 4; - row_stride = cinfo.output_width * cinfo.output_components; - - out = ri.Malloc(memcount); - - *width = cinfo.output_width; - *height = cinfo.output_height; - - /* Step 6: while (scan lines remain to be read) */ - /* jpeg_read_scanlines(...); */ - - /* Here we use the library's state variable cinfo.output_scanline as the - * loop counter, so that we don't have to keep track ourselves. - */ - while (cinfo.output_scanline < cinfo.output_height) { - /* jpeg_read_scanlines expects an array of pointers to scanlines. - * Here the array is only one element long, but you could ask for - * more than one scanline at a time if that's more convenient. - */ - buf = ((out+(row_stride*cinfo.output_scanline))); - buffer = &buf; - (void) jpeg_read_scanlines(&cinfo, buffer, 1); - } - - buf = out; - - // If we are processing an 8-bit JPEG (greyscale), we'll have to convert - // the greyscale values to RGBA. - if(cinfo.output_components == 1) - { - int sindex = pixelcount, dindex = memcount; - unsigned char greyshade; - - // Only pixelcount number of bytes have been written. - // Expand the color values over the rest of the buffer, starting - // from the end. - do - { - greyshade = buf[--sindex]; - - buf[--dindex] = 255; - buf[--dindex] = greyshade; - buf[--dindex] = greyshade; - buf[--dindex] = greyshade; - } while(sindex); - } - else - { - // clear all the alphas to 255 - int i; - - for ( i = 3 ; i < memcount ; i+=4 ) - { - buf[i] = 255; - } - } - - *pic = out; - - /* Step 7: Finish decompression */ - - (void) jpeg_finish_decompress(&cinfo); - /* We can ignore the return value since suspension is not possible - * with the stdio data source. - */ - - /* Step 8: Release JPEG decompression object */ - - /* This is an important step since it will release a good deal of memory. */ - jpeg_destroy_decompress(&cinfo); - - /* After finish_decompress, we can close the input file. - * Here we postpone it until after no more JPEG errors are possible, - * so as to simplify the setjmp error logic above. (Actually, I don't - * think that jpeg_destroy can do an error exit, but why assume anything...) - */ - ri.FS_FreeFile (fbuffer); - - /* At this point you may want to check to see whether any corrupt-data - * warnings occurred (test whether jerr.pub.num_warnings is nonzero). - */ - - /* And we're done! */ -} - - -/* Expanded data destination object for stdio output */ - -typedef struct { - struct jpeg_destination_mgr pub; /* public fields */ - - byte* outfile; /* target stream */ - int size; -} my_destination_mgr; - -typedef my_destination_mgr * my_dest_ptr; - - -/* - * Initialize destination --- called by jpeg_start_compress - * before any data is actually written. - */ - -void init_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - - dest->pub.next_output_byte = dest->outfile; - dest->pub.free_in_buffer = dest->size; -} - - -/* - * Empty the output buffer --- called whenever buffer fills up. - * - * In typical applications, this should write the entire output buffer - * (ignoring the current state of next_output_byte & free_in_buffer), - * reset the pointer & count to the start of the buffer, and return TRUE - * indicating that the buffer has been dumped. - * - * In applications that need to be able to suspend compression due to output - * overrun, a FALSE return indicates that the buffer cannot be emptied now. - * In this situation, the compressor will return to its caller (possibly with - * an indication that it has not accepted all the supplied scanlines). The - * application should resume compression after it has made more room in the - * output buffer. Note that there are substantial restrictions on the use of - * suspension --- see the documentation. - * - * When suspending, the compressor will back up to a convenient restart point - * (typically the start of the current MCU). next_output_byte & free_in_buffer - * indicate where the restart point will be if the current call returns FALSE. - * Data beyond this point will be regenerated after resumption, so do not - * write it out when emptying the buffer externally. - */ - -boolean empty_output_buffer (j_compress_ptr cinfo) -{ - return TRUE; -} - - -/* - * Compression initialization. - * Before calling this, all parameters and a data destination must be set up. - * - * We require a write_all_tables parameter as a failsafe check when writing - * multiple datastreams from the same compression object. Since prior runs - * will have left all the tables marked sent_table=TRUE, a subsequent run - * would emit an abbreviated stream (no tables) by default. This may be what - * is wanted, but for safety's sake it should not be the default behavior: - * programmers should have to make a deliberate choice to emit abbreviated - * images. Therefore the documentation and examples should encourage people - * to pass write_all_tables=TRUE; then it will take active thought to do the - * wrong thing. - */ - -GLOBAL void -jpeg_start_compress (j_compress_ptr cinfo, boolean write_all_tables) -{ - if (cinfo->global_state != CSTATE_START) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - if (write_all_tables) - jpeg_suppress_tables(cinfo, FALSE); /* mark all tables to be written */ - - /* (Re)initialize error mgr and destination modules */ - (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); - (*cinfo->dest->init_destination) (cinfo); - /* Perform master selection of active modules */ - jinit_compress_master(cinfo); - /* Set up for the first pass */ - (*cinfo->master->prepare_for_pass) (cinfo); - /* Ready for application to drive first pass through jpeg_write_scanlines - * or jpeg_write_raw_data. - */ - cinfo->next_scanline = 0; - cinfo->global_state = (cinfo->raw_data_in ? CSTATE_RAW_OK : CSTATE_SCANNING); -} - - -/* - * Write some scanlines of data to the JPEG compressor. - * - * The return value will be the number of lines actually written. - * This should be less than the supplied num_lines only in case that - * the data destination module has requested suspension of the compressor, - * or if more than image_height scanlines are passed in. - * - * Note: we warn about excess calls to jpeg_write_scanlines() since - * this likely signals an application programmer error. However, - * excess scanlines passed in the last valid call are *silently* ignored, - * so that the application need not adjust num_lines for end-of-image - * when using a multiple-scanline buffer. - */ - -GLOBAL JDIMENSION -jpeg_write_scanlines (j_compress_ptr cinfo, JSAMPARRAY scanlines, - JDIMENSION num_lines) -{ - JDIMENSION row_ctr, rows_left; - - if (cinfo->global_state != CSTATE_SCANNING) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - if (cinfo->next_scanline >= cinfo->image_height) - WARNMS(cinfo, JWRN_TOO_MUCH_DATA); - - /* Call progress monitor hook if present */ - if (cinfo->progress != NULL) { - cinfo->progress->pass_counter = (long) cinfo->next_scanline; - cinfo->progress->pass_limit = (long) cinfo->image_height; - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - } - - /* Give master control module another chance if this is first call to - * jpeg_write_scanlines. This lets output of the frame/scan headers be - * delayed so that application can write COM, etc, markers between - * jpeg_start_compress and jpeg_write_scanlines. - */ - if (cinfo->master->call_pass_startup) - (*cinfo->master->pass_startup) (cinfo); - - /* Ignore any extra scanlines at bottom of image. */ - rows_left = cinfo->image_height - cinfo->next_scanline; - if (num_lines > rows_left) - num_lines = rows_left; - - row_ctr = 0; - (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, num_lines); - cinfo->next_scanline += row_ctr; - return row_ctr; -} - -/* - * Terminate destination --- called by jpeg_finish_compress - * after all data has been written. Usually needs to flush buffer. - * - * NB: *not* called by jpeg_abort or jpeg_destroy; surrounding - * application must deal with any cleanup that should happen even - * for error exit. - */ - -static int hackSize; - -void term_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - size_t datacount = dest->size - dest->pub.free_in_buffer; - hackSize = datacount; -} - - -/* - * Prepare for output to a stdio stream. - * The caller must have already opened the stream, and is responsible - * for closing it after finishing compression. - */ - -void jpegDest (j_compress_ptr cinfo, byte* outfile, int size) -{ - my_dest_ptr dest; - - /* The destination object is made permanent so that multiple JPEG images - * can be written to the same file without re-executing jpeg_stdio_dest. - * This makes it dangerous to use this manager and a different destination - * manager serially with the same JPEG object, because their private object - * sizes may be different. Caveat programmer. - */ - if (cinfo->dest == NULL) { /* first time for this JPEG object? */ - cinfo->dest = (struct jpeg_destination_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - sizeof(my_destination_mgr)); - } - - dest = (my_dest_ptr) cinfo->dest; - dest->pub.init_destination = init_destination; - dest->pub.empty_output_buffer = empty_output_buffer; - dest->pub.term_destination = term_destination; - dest->outfile = outfile; - dest->size = size; -} - -void SaveJPG(char * filename, int quality, int image_width, int image_height, unsigned char *image_buffer) { - /* This struct contains the JPEG compression parameters and pointers to - * working space (which is allocated as needed by the JPEG library). - * It is possible to have several such structures, representing multiple - * compression/decompression processes, in existence at once. We refer - * to any one struct (and its associated working data) as a "JPEG object". - */ - struct jpeg_compress_struct cinfo; - /* This struct represents a JPEG error handler. It is declared separately - * because applications often want to supply a specialized error handler - * (see the second half of this file for an example). But here we just - * take the easy way out and use the standard error handler, which will - * print a message on stderr and call exit() if compression fails. - * Note that this struct must live as long as the main JPEG parameter - * struct, to avoid dangling-pointer problems. - */ - struct jpeg_error_mgr jerr; - /* More stuff */ - JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */ - int row_stride; /* physical row width in image buffer */ - unsigned char *out; - - /* Step 1: allocate and initialize JPEG compression object */ - - /* We have to set up the error handler first, in case the initialization - * step fails. (Unlikely, but it could happen if you are out of memory.) - * This routine fills in the contents of struct jerr, and returns jerr's - * address which we place into the link field in cinfo. - */ - cinfo.err = jpeg_std_error(&jerr); - /* Now we can initialize the JPEG compression object. */ - jpeg_create_compress(&cinfo); - - /* Step 2: specify data destination (eg, a file) */ - /* Note: steps 2 and 3 can be done in either order. */ - - /* Here we use the library-supplied code to send compressed data to a - * stdio stream. You can also write your own code to do something else. - * VERY IMPORTANT: use "b" option to fopen() if you are on a machine that - * requires it in order to write binary files. - */ - out = ri.Hunk_AllocateTempMemory(image_width*image_height*4); - jpegDest(&cinfo, out, image_width*image_height*4); - - /* Step 3: set parameters for compression */ - - /* First we supply a description of the input image. - * Four fields of the cinfo struct must be filled in: - */ - cinfo.image_width = image_width; /* image width and height, in pixels */ - cinfo.image_height = image_height; - cinfo.input_components = 4; /* # of color components per pixel */ - cinfo.in_color_space = JCS_RGB; /* colorspace of input image */ - /* Now use the library's routine to set default compression parameters. - * (You must set at least cinfo.in_color_space before calling this, - * since the defaults depend on the source color space.) - */ - jpeg_set_defaults(&cinfo); - /* Now you can set any non-default parameters you wish to. - * Here we just illustrate the use of quality (quantization table) scaling: - */ - jpeg_set_quality(&cinfo, quality, TRUE /* limit to baseline-JPEG values */); - - /* Step 4: Start compressor */ - - /* TRUE ensures that we will write a complete interchange-JPEG file. - * Pass TRUE unless you are very sure of what you're doing. - */ - jpeg_start_compress(&cinfo, TRUE); - - /* Step 5: while (scan lines remain to be written) */ - /* jpeg_write_scanlines(...); */ - - /* Here we use the library's state variable cinfo.next_scanline as the - * loop counter, so that we don't have to keep track ourselves. - * To keep things simple, we pass one scanline per call; you can pass - * more if you wish, though. - */ - row_stride = image_width * 4; /* JSAMPLEs per row in image_buffer */ - - while (cinfo.next_scanline < cinfo.image_height) { - /* jpeg_write_scanlines expects an array of pointers to scanlines. - * Here the array is only one element long, but you could pass - * more than one scanline at a time if that's more convenient. - */ - row_pointer[0] = & image_buffer[((cinfo.image_height-1)*row_stride)-cinfo.next_scanline * row_stride]; - (void) jpeg_write_scanlines(&cinfo, row_pointer, 1); - } - - /* Step 6: Finish compression */ - - jpeg_finish_compress(&cinfo); - /* After finish_compress, we can close the output file. */ - ri.FS_WriteFile( filename, out, hackSize ); - - ri.Hunk_FreeTempMemory(out); - - /* Step 7: release JPEG compression object */ - - /* This is an important step since it will release a good deal of memory. */ - jpeg_destroy_compress(&cinfo); - - /* And we're done! */ -} - -//=================================================================== - -/* -================= -R_LoadImage - -Loads any of the supported image types into a cannonical -32 bit format. -================= -*/ -void R_LoadImage( const char *name, byte **pic, int *width, int *height ) { - int len; - - *pic = NULL; - *width = 0; - *height = 0; - - len = strlen(name); - if (len<5) { - return; - } - - if ( !Q_stricmp( name+len-4, ".tga" ) ) { - LoadTGA( name, pic, width, height ); // try tga first - if (!*pic) { // - char altname[MAX_QPATH]; // try jpg in place of tga - strcpy( altname, name ); - len = strlen( altname ); - altname[len-3] = 'j'; - altname[len-2] = 'p'; - altname[len-1] = 'g'; - LoadJPG( altname, pic, width, height ); - } - } else if ( !Q_stricmp(name+len-4, ".pcx") ) { - LoadPCX32( name, pic, width, height ); - } else if ( !Q_stricmp( name+len-4, ".bmp" ) ) { - LoadBMP( name, pic, width, height ); - } else if ( !Q_stricmp( name+len-4, ".jpg" ) ) { - LoadJPG( name, pic, width, height ); - } -} - - -/* -=============== -R_FindImageFile - -Finds or loads the given image. -Returns NULL if it fails, not a default image. -============== -*/ -image_t *R_FindImageFile( const char *name, qboolean mipmap, qboolean allowPicmip, int glWrapClampMode ) { - image_t *image; - int width, height; - byte *pic; - long hash; - - if (!name) { - return NULL; - } - - hash = generateHashValue(name); - - // - // see if the image is already loaded - // - for (image=hashTable[hash]; image; image=image->next) { - if ( !strcmp( name, image->imgName ) ) { - // the white image can be used with any set of parms, but other mismatches are errors - if ( strcmp( name, "*white" ) ) { - if ( image->mipmap != mipmap ) { - ri.Printf( PRINT_DEVELOPER, "WARNING: reused image %s with mixed mipmap parm\n", name ); - } - if ( image->allowPicmip != allowPicmip ) { - ri.Printf( PRINT_DEVELOPER, "WARNING: reused image %s with mixed allowPicmip parm\n", name ); - } - if ( image->wrapClampMode != glWrapClampMode ) { - ri.Printf( PRINT_ALL, "WARNING: reused image %s with mixed glWrapClampMode parm\n", name ); - } - } - return image; - } - } - - // - // load the pic from disk - // - R_LoadImage( name, &pic, &width, &height ); - if ( pic == NULL ) { // if we dont get a successful load - char altname[MAX_QPATH]; // copy the name - int len; // - strcpy( altname, name ); // - len = strlen( altname ); // - altname[len-3] = toupper(altname[len-3]); // and try upper case extension for unix systems - altname[len-2] = toupper(altname[len-2]); // - altname[len-1] = toupper(altname[len-1]); // - ri.Printf( PRINT_ALL, "trying %s...\n", altname ); // - R_LoadImage( altname, &pic, &width, &height ); // - if (pic == NULL) { // if that fails - return NULL; // bail - } - } - - image = R_CreateImage( ( char * ) name, pic, width, height, mipmap, allowPicmip, glWrapClampMode ); - ri.Free( pic ); - return image; -} - - -/* -================ -R_CreateDlightImage -================ -*/ -#define DLIGHT_SIZE 16 -static void R_CreateDlightImage( void ) { - int x,y; - byte data[DLIGHT_SIZE][DLIGHT_SIZE][4]; - int b; - - // make a centered inverse-square falloff blob for dynamic lighting - for (x=0 ; x<DLIGHT_SIZE ; x++) { - for (y=0 ; y<DLIGHT_SIZE ; y++) { - float d; - - d = ( DLIGHT_SIZE/2 - 0.5f - x ) * ( DLIGHT_SIZE/2 - 0.5f - x ) + - ( DLIGHT_SIZE/2 - 0.5f - y ) * ( DLIGHT_SIZE/2 - 0.5f - y ); - b = 4000 / d; - if (b > 255) { - b = 255; - } else if ( b < 75 ) { - b = 0; - } - data[y][x][0] = - data[y][x][1] = - data[y][x][2] = b; - data[y][x][3] = 255; - } - } - tr.dlightImage = R_CreateImage("*dlight", (byte *)data, DLIGHT_SIZE, DLIGHT_SIZE, qfalse, qfalse, GL_CLAMP ); -} - - -/* -================= -R_InitFogTable -================= -*/ -void R_InitFogTable( void ) { - int i; - float d; - float exp; - - exp = 0.5; - - for ( i = 0 ; i < FOG_TABLE_SIZE ; i++ ) { - d = pow ( (float)i/(FOG_TABLE_SIZE-1), exp ); - - tr.fogTable[i] = d; - } -} - -/* -================ -R_FogFactor - -Returns a 0.0 to 1.0 fog density value -This is called for each texel of the fog texture on startup -and for each vertex of transparent shaders in fog dynamically -================ -*/ -float R_FogFactor( float s, float t ) { - float d; - - s -= 1.0/512; - if ( s < 0 ) { - return 0; - } - if ( t < 1.0/32 ) { - return 0; - } - if ( t < 31.0/32 ) { - s *= (t - 1.0f/32.0f) / (30.0f/32.0f); - } - - // we need to leave a lot of clamp range - s *= 8; - - if ( s > 1.0 ) { - s = 1.0; - } - - d = tr.fogTable[ (int)(s * (FOG_TABLE_SIZE-1)) ]; - - return d; -} - -/* -================ -R_CreateFogImage -================ -*/ -#define FOG_S 256 -#define FOG_T 32 -static void R_CreateFogImage( void ) { - int x,y; - byte *data; - float g; - float d; - float borderColor[4]; - - data = ri.Hunk_AllocateTempMemory( FOG_S * FOG_T * 4 ); - - g = 2.0; - - // S is distance, T is depth - for (x=0 ; x<FOG_S ; x++) { - for (y=0 ; y<FOG_T ; y++) { - d = R_FogFactor( ( x + 0.5f ) / FOG_S, ( y + 0.5f ) / FOG_T ); - - data[(y*FOG_S+x)*4+0] = - data[(y*FOG_S+x)*4+1] = - data[(y*FOG_S+x)*4+2] = 255; - data[(y*FOG_S+x)*4+3] = 255*d; - } - } - // standard openGL clamping doesn't really do what we want -- it includes - // the border color at the edges. OpenGL 1.2 has clamp-to-edge, which does - // what we want. - tr.fogImage = R_CreateImage("*fog", (byte *)data, FOG_S, FOG_T, qfalse, qfalse, GL_CLAMP ); - ri.Hunk_FreeTempMemory( data ); - - borderColor[0] = 1.0; - borderColor[1] = 1.0; - borderColor[2] = 1.0; - borderColor[3] = 1; - - qglTexParameterfv( GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderColor ); -} - -/* -================== -R_CreateDefaultImage -================== -*/ -#define DEFAULT_SIZE 16 -static void R_CreateDefaultImage( void ) { - int x; - byte data[DEFAULT_SIZE][DEFAULT_SIZE][4]; - - // the default image will be a box, to allow you to see the mapping coordinates - Com_Memset( data, 32, sizeof( data ) ); - for ( x = 0 ; x < DEFAULT_SIZE ; x++ ) { - data[0][x][0] = - data[0][x][1] = - data[0][x][2] = - data[0][x][3] = 255; - - data[x][0][0] = - data[x][0][1] = - data[x][0][2] = - data[x][0][3] = 255; - - data[DEFAULT_SIZE-1][x][0] = - data[DEFAULT_SIZE-1][x][1] = - data[DEFAULT_SIZE-1][x][2] = - data[DEFAULT_SIZE-1][x][3] = 255; - - data[x][DEFAULT_SIZE-1][0] = - data[x][DEFAULT_SIZE-1][1] = - data[x][DEFAULT_SIZE-1][2] = - data[x][DEFAULT_SIZE-1][3] = 255; - } - tr.defaultImage = R_CreateImage("*default", (byte *)data, DEFAULT_SIZE, DEFAULT_SIZE, qtrue, qfalse, GL_REPEAT ); -} - -/* -================== -R_CreateBuiltinImages -================== -*/ -void R_CreateBuiltinImages( void ) { - int x,y; - byte data[DEFAULT_SIZE][DEFAULT_SIZE][4]; - - R_CreateDefaultImage(); - - // we use a solid white image instead of disabling texturing - Com_Memset( data, 255, sizeof( data ) ); - tr.whiteImage = R_CreateImage("*white", (byte *)data, 8, 8, qfalse, qfalse, GL_REPEAT ); - - // with overbright bits active, we need an image which is some fraction of full color, - // for default lightmaps, etc - for (x=0 ; x<DEFAULT_SIZE ; x++) { - for (y=0 ; y<DEFAULT_SIZE ; y++) { - data[y][x][0] = - data[y][x][1] = - data[y][x][2] = tr.identityLightByte; - data[y][x][3] = 255; - } - } - - tr.identityLightImage = R_CreateImage("*identityLight", (byte *)data, 8, 8, qfalse, qfalse, GL_REPEAT ); - - - for(x=0;x<32;x++) { - // scratchimage is usually used for cinematic drawing - tr.scratchImage[x] = R_CreateImage("*scratch", (byte *)data, DEFAULT_SIZE, DEFAULT_SIZE, qfalse, qtrue, GL_CLAMP ); - } - - R_CreateDlightImage(); - R_CreateFogImage(); -} - - -/* -=============== -R_SetColorMappings -=============== -*/ -void R_SetColorMappings( void ) { - int i, j; - float g; - int inf; - int shift; - - // setup the overbright lighting - tr.overbrightBits = r_overBrightBits->integer; - if ( !glConfig.deviceSupportsGamma ) { - tr.overbrightBits = 0; // need hardware gamma for overbright - } - - // never overbright in windowed mode - if ( !glConfig.isFullscreen ) - { - tr.overbrightBits = 0; - } - - // allow 2 overbright bits in 24 bit, but only 1 in 16 bit - if ( glConfig.colorBits > 16 ) { - if ( tr.overbrightBits > 2 ) { - tr.overbrightBits = 2; - } - } else { - if ( tr.overbrightBits > 1 ) { - tr.overbrightBits = 1; - } - } - if ( tr.overbrightBits < 0 ) { - tr.overbrightBits = 0; - } - - tr.identityLight = 1.0f / ( 1 << tr.overbrightBits ); - tr.identityLightByte = 255 * tr.identityLight; - - - if ( r_intensity->value <= 1 ) { - ri.Cvar_Set( "r_intensity", "1" ); - } - - if ( r_gamma->value < 0.5f ) { - ri.Cvar_Set( "r_gamma", "0.5" ); - } else if ( r_gamma->value > 3.0f ) { - ri.Cvar_Set( "r_gamma", "3.0" ); - } - - g = r_gamma->value; - - shift = tr.overbrightBits; - - for ( i = 0; i < 256; i++ ) { - if ( g == 1 ) { - inf = i; - } else { - inf = 255 * pow ( i/255.0f, 1.0f / g ) + 0.5f; - } - inf <<= shift; - if (inf < 0) { - inf = 0; - } - if (inf > 255) { - inf = 255; - } - s_gammatable[i] = inf; - } - - for (i=0 ; i<256 ; i++) { - j = i * r_intensity->value; - if (j > 255) { - j = 255; - } - s_intensitytable[i] = j; - } - - if ( glConfig.deviceSupportsGamma ) - { - GLimp_SetGamma( s_gammatable, s_gammatable, s_gammatable ); - } -} - -/* -=============== -R_InitImages -=============== -*/ -void R_InitImages( void ) { - Com_Memset(hashTable, 0, sizeof(hashTable)); - // build brightness translation tables - R_SetColorMappings(); - - // create default texture and white texture - R_CreateBuiltinImages(); -} - -/* -=============== -R_DeleteTextures -=============== -*/ -void R_DeleteTextures( void ) { - int i; - - for ( i=0; i<tr.numImages ; i++ ) { - qglDeleteTextures( 1, &tr.images[i]->texnum ); - } - Com_Memset( tr.images, 0, sizeof( tr.images ) ); - - tr.numImages = 0; - - Com_Memset( glState.currenttextures, 0, sizeof( glState.currenttextures ) ); - if ( qglBindTexture ) { - if ( qglActiveTextureARB ) { - GL_SelectTexture( 1 ); - qglBindTexture( GL_TEXTURE_2D, 0 ); - GL_SelectTexture( 0 ); - qglBindTexture( GL_TEXTURE_2D, 0 ); - } else { - qglBindTexture( GL_TEXTURE_2D, 0 ); - } - } -} - -/* -============================================================================ - -SKINS - -============================================================================ -*/ - -/* -================== -CommaParse - -This is unfortunate, but the skin files aren't -compatable with our normal parsing rules. -================== -*/ -static char *CommaParse( char **data_p ) { - int c = 0, len; - char *data; - static char com_token[MAX_TOKEN_CHARS]; - - data = *data_p; - len = 0; - com_token[0] = 0; - - // make sure incoming data is valid - if ( !data ) { - *data_p = NULL; - return com_token; - } - - while ( 1 ) { - // skip whitespace - while( (c = *data) <= ' ') { - if( !c ) { - break; - } - data++; - } - - - c = *data; - - // skip double slash comments - if ( c == '/' && data[1] == '/' ) - { - while (*data && *data != '\n') - data++; - } - // skip /* */ comments - else if ( c=='/' && data[1] == '*' ) - { - while ( *data && ( *data != '*' || data[1] != '/' ) ) - { - data++; - } - if ( *data ) - { - data += 2; - } - } - else - { - break; - } - } - - if ( c == 0 ) { - return ""; - } - - // handle quoted strings - if (c == '\"') - { - data++; - while (1) - { - c = *data++; - if (c=='\"' || !c) - { - com_token[len] = 0; - *data_p = ( char * ) data; - return com_token; - } - if (len < MAX_TOKEN_CHARS) - { - com_token[len] = c; - len++; - } - } - } - - // parse a regular word - do - { - if (len < MAX_TOKEN_CHARS) - { - com_token[len] = c; - len++; - } - data++; - c = *data; - } while (c>32 && c != ',' ); - - if (len == MAX_TOKEN_CHARS) - { -// Com_Printf ("Token exceeded %i chars, discarded.\n", MAX_TOKEN_CHARS); - len = 0; - } - com_token[len] = 0; - - *data_p = ( char * ) data; - return com_token; -} - - -/* -=============== -RE_RegisterSkin - -=============== -*/ -qhandle_t RE_RegisterSkin( const char *name ) { - qhandle_t hSkin; - skin_t *skin; - skinSurface_t *surf; - char *text, *text_p; - char *token; - char surfName[MAX_QPATH]; - - if ( !name || !name[0] ) { - Com_Printf( "Empty name passed to RE_RegisterSkin\n" ); - return 0; - } - - if ( strlen( name ) >= MAX_QPATH ) { - Com_Printf( "Skin name exceeds MAX_QPATH\n" ); - return 0; - } - - - // see if the skin is already loaded - for ( hSkin = 1; hSkin < tr.numSkins ; hSkin++ ) { - skin = tr.skins[hSkin]; - if ( !Q_stricmp( skin->name, name ) ) { - if( skin->numSurfaces == 0 ) { - return 0; // default skin - } - return hSkin; - } - } - - // allocate a new skin - if ( tr.numSkins == MAX_SKINS ) { - ri.Printf( PRINT_WARNING, "WARNING: RE_RegisterSkin( '%s' ) MAX_SKINS hit\n", name ); - return 0; - } - tr.numSkins++; - skin = ri.Hunk_Alloc( sizeof( skin_t ), h_low ); - tr.skins[hSkin] = skin; - Q_strncpyz( skin->name, name, sizeof( skin->name ) ); - skin->numSurfaces = 0; - - // make sure the render thread is stopped - R_SyncRenderThread(); - - // If not a .skin file, load as a single shader - if ( strcmp( name + strlen( name ) - 5, ".skin" ) ) { - skin->numSurfaces = 1; - skin->surfaces[0] = ri.Hunk_Alloc( sizeof(skin->surfaces[0]), h_low ); - skin->surfaces[0]->shader = R_FindShader( name, LIGHTMAP_NONE, qtrue ); - return hSkin; - } - - // load and parse the skin file - ri.FS_ReadFile( name, (void **)&text ); - if ( !text ) { - return 0; - } - - text_p = text; - while ( text_p && *text_p ) { - // get surface name - token = CommaParse( &text_p ); - Q_strncpyz( surfName, token, sizeof( surfName ) ); - - if ( !token[0] ) { - break; - } - // lowercase the surface name so skin compares are faster - Q_strlwr( surfName ); - - if ( *text_p == ',' ) { - text_p++; - } - - if ( strstr( token, "tag_" ) ) { - continue; - } - - // parse the shader name - token = CommaParse( &text_p ); - - surf = skin->surfaces[ skin->numSurfaces ] = ri.Hunk_Alloc( sizeof( *skin->surfaces[0] ), h_low ); - Q_strncpyz( surf->name, surfName, sizeof( surf->name ) ); - surf->shader = R_FindShader( token, LIGHTMAP_NONE, qtrue ); - skin->numSurfaces++; - } - - ri.FS_FreeFile( text ); - - - // never let a skin have 0 shaders - if ( skin->numSurfaces == 0 ) { - return 0; // use default skin - } - - return hSkin; -} - - -/* -=============== -R_InitSkins -=============== -*/ -void R_InitSkins( void ) { - skin_t *skin; - - tr.numSkins = 1; - - // make the default skin have all default shaders - skin = tr.skins[0] = ri.Hunk_Alloc( sizeof( skin_t ), h_low ); - Q_strncpyz( skin->name, "<default skin>", sizeof( skin->name ) ); - skin->numSurfaces = 1; - skin->surfaces[0] = ri.Hunk_Alloc( sizeof( *skin->surfaces ), h_low ); - skin->surfaces[0]->shader = tr.defaultShader; -} - -/* -=============== -R_GetSkinByHandle -=============== -*/ -skin_t *R_GetSkinByHandle( qhandle_t hSkin ) { - if ( hSkin < 1 || hSkin >= tr.numSkins ) { - return tr.skins[0]; - } - return tr.skins[ hSkin ]; -} - -/* -=============== -R_SkinList_f -=============== -*/ -void R_SkinList_f( void ) { - int i, j; - skin_t *skin; - - ri.Printf (PRINT_ALL, "------------------\n"); - - for ( i = 0 ; i < tr.numSkins ; i++ ) { - skin = tr.skins[i]; - - ri.Printf( PRINT_ALL, "%3i:%s\n", i, skin->name ); - for ( j = 0 ; j < skin->numSurfaces ; j++ ) { - ri.Printf( PRINT_ALL, " %s = %s\n", - skin->surfaces[j]->name, skin->surfaces[j]->shader->name ); - } - } - ri.Printf (PRINT_ALL, "------------------\n"); -} - |