LoadPCX
============
*/
-unsigned char* LoadPCX_BGRA (const unsigned char *f, int filesize)
+unsigned char* LoadPCX_BGRA (const unsigned char *f, int filesize, int *miplevel)
{
pcx_t pcx;
unsigned char *a, *b, *image_buffer, *pbuf;
image_width = pcx.xmax + 1 - pcx.xmin;
image_height = pcx.ymax + 1 - pcx.ymin;
- if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
+ 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)
{
Con_Print("Bad pcx file\n");
return NULL;
LoadTGA
=============
*/
-unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize)
+unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize, int *miplevel)
{
int x, y, pix_inc, row_inci, runlen, alphabits;
unsigned char *image_buffer;
targa_header.pixel_size = f[16];
targa_header.attributes = f[17];
- if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
+ if (image_width > 32768 || image_height > 32768 || image_width <= 0 || image_height <= 0)
{
Con_Print("LoadTGA: invalid size\n");
PrintTargaHeader(&targa_header);
*pixbufi++ = palettei[*fin++];
}
}
+
+ if (x != image_width)
+ {
+ // pixbufi is useless now
+ Con_Printf("LoadTGA: corrupt file\n");
+ break;
+ }
}
break;
case 10:
}
}
}
+
+ if (x != image_width)
+ {
+ // pixbufi is useless now
+ Con_Printf("LoadTGA: corrupt file\n");
+ break;
+ }
}
}
else
}
}
}
+
+ if (x != image_width)
+ {
+ // pixbufi is useless now
+ Con_Printf("LoadTGA: corrupt file\n");
+ break;
+ }
}
}
break;
int value;
} q2wal_t;
-unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize)
+unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize, int *miplevel)
{
unsigned char *image_buffer;
const q2wal_t *inwal = (const q2wal_t *)f;
image_width = LittleLong(inwal->width);
image_height = LittleLong(inwal->height);
- if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
+ if (image_width > 32768 || image_height > 32768 || image_width <= 0 || image_height <= 0)
{
Con_Printf("LoadWAL: invalid size %ix%i\n", image_width, image_height);
return NULL;
strlcpy(out, in, size_out);
}
+static unsigned char image_linearfromsrgb[256];
+static unsigned char image_srgbfromlinear[256];
+
+void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pin, int numpixels)
+{
+ int i;
+ // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
+ if (!image_linearfromsrgb[255])
+ for (i = 0;i < 256;i++)
+ image_linearfromsrgb[i] = (unsigned char)(Image_LinearFloatFromsRGB(i) * 256.0f);
+ for (i = 0;i < numpixels;i++)
+ {
+ pout[i*4+0] = image_linearfromsrgb[pin[i*4+0]];
+ pout[i*4+1] = image_linearfromsrgb[pin[i*4+1]];
+ pout[i*4+2] = image_linearfromsrgb[pin[i*4+2]];
+ pout[i*4+3] = pin[i*4+3];
+ }
+}
+
+void Image_MakesRGBColorsFromLinear(unsigned char *pout, const unsigned char *pin, int numpixels)
+{
+ int i;
+ // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
+ if (!image_srgbfromlinear[255])
+ for (i = 0;i < 256;i++)
+ image_srgbfromlinear[i] = (unsigned char)bound(0, Image_sRGBFloatFromLinear(i*2) * 128.0f, 255);
+ for (i = 0;i < numpixels;i++)
+ {
+ pout[i*4+0] = image_srgbfromlinear[pin[i*4+0]];
+ pout[i*4+1] = image_srgbfromlinear[pin[i*4+1]];
+ pout[i*4+2] = image_srgbfromlinear[pin[i*4+2]];
+ pout[i*4+3] = pin[i*4+3];
+ }
+}
+
typedef struct imageformat_s
{
const char *formatstring;
- unsigned char *(*loadfunc)(const unsigned char *f, int filesize);
+ unsigned char *(*loadfunc)(const unsigned char *f, int filesize, int *miplevel);
}
imageformat_t;
};
int fixtransparentpixels(unsigned char *data, int w, int h);
-unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans)
+unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans, qboolean convertsRGB, int *miplevel)
{
fs_offset_t filesize;
imageformat_t *firstformat, *format;
f = FS_LoadFile(name, tempmempool, true, &filesize);
if (f)
{
- data = format->loadfunc(f, filesize);
+ int mymiplevel = miplevel ? *miplevel : 0;
+ data = format->loadfunc(f, (int)filesize, &mymiplevel);
Mem_Free(f);
- if(format->loadfunc == JPEG_LoadImage_BGRA) // jpeg can't do alpha, so let's simulate it by loading another jpeg
+ if (data)
{
- dpsnprintf (name2, sizeof(name2), format->formatstring, va("%s_alpha", basename));
- f = FS_LoadFile(name2, tempmempool, true, &filesize);
- if(f)
+ if(format->loadfunc == JPEG_LoadImage_BGRA) // jpeg can't do alpha, so let's simulate it by loading another jpeg
{
- data2 = format->loadfunc(f, filesize);
- Mem_Free(f);
- Image_CopyAlphaFromBlueBGRA(data, data2, image_width, image_height);
- Mem_Free(data2);
+ dpsnprintf (name2, sizeof(name2), format->formatstring, va("%s_alpha", basename));
+ f = FS_LoadFile(name2, tempmempool, true, &filesize);
+ if(f)
+ {
+ int mymiplevel2 = miplevel ? *miplevel : 0;
+ data2 = format->loadfunc(f, (int)filesize, &mymiplevel2);
+ if(mymiplevel != mymiplevel2)
+ Host_Error("loadimagepixelsbgra: miplevels differ");
+ Mem_Free(f);
+ Image_CopyAlphaFromBlueBGRA(data, data2, image_width, image_height);
+ Mem_Free(data2);
+ }
}
- }
- if (data)
- {
if (developer_loading.integer)
Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height);
+ if(miplevel)
+ *miplevel = mymiplevel;
//if (developer_memorydebug.integer)
// Mem_CheckSentinelsGlobal();
if(allowFixtrans && r_fixtrans_auto.integer)
}
}
}
+ if (convertsRGB)
+ Image_MakeLinearColorsFromsRGB(data, data, image_width * image_height);
return data;
}
else
return NULL;
}
-rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans)
+extern cvar_t gl_picmip;
+rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans, qboolean sRGB)
{
unsigned char *data;
rtexture_t *rt;
- if (!(data = loadimagepixelsbgra (filename, complain, allowFixtrans)))
+ int miplevel = R_PicmipForFlags(flags);
+ if (!(data = loadimagepixelsbgra (filename, complain, allowFixtrans, false, &miplevel)))
return 0;
- rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_BGRA, flags, NULL);
+ rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, sRGB ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, flags, miplevel, NULL);
Mem_Free(data);
return rt;
}
Con_Printf("Processing %s... ", filename);
Image_StripImageExtension(filename, buf, sizeof(buf));
dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
- if(!(data = loadimagepixelsbgra(filename, true, false)))
+ if(!(data = loadimagepixelsbgra(filename, true, false, false, NULL)))
return;
if((n = fixtransparentpixels(data, image_width, image_height)))
{
FS_FreeSearch(search);
}
-qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer)
+qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data)
{
qboolean ret;
+ unsigned char buffer[18];
+ const void *buffers[2];
+ fs_offset_t sizes[2];
memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
buffer[15] = (height >> 8) & 0xFF;
buffer[16] = 24; // pixel size
- // swap rgb to bgr
- memcpy(buffer + 18, data, width*height*3);
- ret = FS_WriteFile (filename, buffer, width*height*3 + 18 );
+ buffers[0] = buffer;
+ sizes[0] = 18;
+ buffers[1] = data;
+ sizes[1] = width*height*3;
+ ret = FS_WriteFileInBlocks(filename, buffers, sizes, 2);
return ret;
}
-void Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data)
+qboolean Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data)
{
int y;
unsigned char *buffer, *out;
const unsigned char *in, *end;
+ qboolean ret;
buffer = (unsigned char *)Mem_Alloc(tempmempool, width*height*4 + 18);
}
}
}
- FS_WriteFile (filename, buffer, out - buffer);
+ ret = FS_WriteFile (filename, buffer, out - buffer);
Mem_Free(buffer);
+
+ return ret;
}
static void Image_Resample32LerpLine (const unsigned char *in, unsigned char *out, int inwidth, int outwidth)
const unsigned char *b, *row[3];
int p[5];
unsigned char *out;
- float iwidth, iheight, ibumpscale, n[3];
- iwidth = 1.0f / width;
- iheight = 1.0f / height;
+ float ibumpscale, n[3];
ibumpscale = (255.0f * 6.0f) / bumpscale;
out = outpixels;
for (y = 0, y1 = height-1;y < height;y1 = y, y++)
projects / xonotic / darkplaces.git / blobdiff