convert lightmaps to sRGB for nice sRGB support

[xonotic/darkplaces.git] / image.h

diff --git a/image.h b/image.h
index 17b6149fdd6b0bccd73a4132186017b5b72a59d2..04d33378ff1be29f4a6610dc2b97b37103c2d91f 100644 (file)
--- a/image.h
+++ b/image.h
@@ -2,7 +2,6 @@
 #ifndef IMAGE_H
 #define IMAGE_H
 
-
 extern int image_width, image_height;
 
 
@@ -15,35 +14,46 @@ void Image_CopyMux(unsigned char *outpixels, const unsigned char *inpixels, int
 // applies gamma correction to RGB pixels, in can be the same as out
 void Image_GammaRemapRGB(const unsigned char *in, unsigned char *out, int pixels, const unsigned char *gammar, const unsigned char *gammag, const unsigned char *gammab);
 
-// converts 8bit image data to RGBA, in can not be the same as out
-void Image_Copy8bitRGBA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal);
+// converts 8bit image data to BGRA, in can not be the same as out
+void Image_Copy8bitBGRA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal);
 
 void Image_StripImageExtension (const char *in, char *out, size_t size_out);
 
-unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, int matchheight);
+// called by conchars.tga loader in gl_draw.c, otherwise private
+unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize, int *miplevel);
 
 // loads a texture, as pixel data
-unsigned char *loadimagepixels (const char *filename, qboolean complain, int matchwidth, int matchheight);
+unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans, qboolean convertsRGB, int *miplevel);
+
+// loads an 8bit pcx image into a 296x194x8bit buffer, with cropping as needed
+qboolean LoadPCX_QWSkin(const unsigned char *f, int filesize, unsigned char *pixels, int outwidth, int outheight);
 
 // loads a texture, as a texture
-rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags);
+rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans, qboolean sRGB);
 
-// writes a RGB TGA that is already upside down (which TGA wants)
-qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer);
+// writes an upside down BGR image into a TGA
+qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data);
 
-// writes a RGBA TGA
-void Image_WriteTGARGBA (const char *filename, int width, int height, const unsigned char *data);
+// writes a BGRA image into a TGA file
+qboolean Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data);
 
 // resizes the image (in can not be the same as out)
-void Image_Resample (const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int bytesperpixel, int quality);
+void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality);
 
 // scales the image down by a power of 2 (in can be the same as out)
-void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth, int bytesperpixel);
+void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth);
+
+void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale);
+
+// console command to fix the colors of transparent pixels (to prevent weird borders)
+void Image_FixTransparentPixels_f(void);
+extern cvar_t r_fixtrans_auto;
 
-// only used by menuplyr coloring
-unsigned char *LoadLMP (const unsigned char *f, int filesize, int matchwidth, int matchheight, qboolean loadAs8Bit);
+#define Image_LinearFloatFromsRGB(c) (((c) < 11) ? (c) * 0.000302341331f : (float)pow(((c)*(1.0f/256.0f) + 0.055f)*(1.0f/1.0555f), 2.4f))
+#define Image_sRGBFloatFromLinear(c) (((c) < 1) ? (c) * 0.05046875f : 1.055f * (float)pow((c)*(1.0f/256.0f), 1.0f/2.4f) - 0.055f)
 
-void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale);
+void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pin, int numpixels);
+void Image_MakesRGBColorsFromLinear(unsigned char *pout, const unsigned char *pin, int numpixels);
 
 #endif