From 10ae5765f095f13ad18a440b420c3ff9e27f9041 Mon Sep 17 00:00:00 2001 From: divverent Date: Thu, 26 Jan 2012 17:24:57 +0000 Subject: [PATCH] fix avgcolor calculation when loading dds Fixes "black screen with r_showsurfaces 3" bug git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11660 d7cf8633-e32d-0410-b094-e92efae38249 ::stable-branch::merge=397496e4d2d23ef2e0d5c6aa18b33cf92b53eba8 --- gl_textures.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/gl_textures.c b/gl_textures.c index 2a81cf50..cf6c768e 100644 --- a/gl_textures.c +++ b/gl_textures.c @@ -2457,7 +2457,7 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen avgcolor[1] += ((c >> 5) & 0x3F) + ((c >> 21) & 0x3F); avgcolor[2] += ((c ) & 0x1F) + ((c >> 16) & 0x1F); if(textype == TEXTYPE_DXT5) - avgcolor[3] += (0.5 * mippixels[i-8] + 0.5 * mippixels[i-7]); + avgcolor[3] += (mippixels[i-8] + (int) mippixels[i-7]) * (0.5f / 255.0f); else if(textype == TEXTYPE_DXT3) avgcolor[3] += ( (mippixels_start[i-8] & 0x0F) @@ -2468,11 +2468,11 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen + (mippixels_start[i-6] >> 4) + (mippixels_start[i-5] & 0x0F) + (mippixels_start[i-5] >> 4) - ) * (0.125f / 15.0f * 255.0f); + ) * (0.125f / 15.0f); else - avgcolor[3] += 255; + avgcolor[3] += 1.0f; } - f = (float)bytesperblock / size; + f = (float)bytesperblock / mipsize; avgcolor[0] *= (0.5f / 31.0f) * f; avgcolor[1] *= (0.5f / 63.0f) * f; avgcolor[2] *= (0.5f / 31.0f) * f; @@ -2487,7 +2487,7 @@ rtexture_t *R_LoadTextureDDSFile(rtexturepool_t *rtexturepool, const char *filen avgcolor[2] += mippixels[i]; avgcolor[3] += mippixels[i+3]; } - f = (1.0f / 255.0f) * bytesperpixel / size; + f = (1.0f / 255.0f) * bytesperpixel / mipsize; avgcolor[0] *= f; avgcolor[1] *= f; avgcolor[2] *= f; -- 2.39.2