From cdec1b4d3aa35f5e1b785db19d94805eddba6049 Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Thu, 29 Nov 2007 06:18:44 +0000
Subject: [PATCH] swizzle RGBA to BGRA in png loader
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7735 d7cf8633-e32d-0410-b094-e92efae38249
---
image_png.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/image_png.c b/image_png.c
index b53aee42..d7ee8595 100644
--- a/image_png.c
+++ b/image_png.c
@@ -231,6 +231,7 @@ extern int image_height;
unsigned char *PNG_LoadImage_BGRA (const unsigned char *raw, int filesize)
{
+ unsigned int c;
unsigned int y;
void *png, *pnginfo;
unsigned char *imagedata = NULL;
@@ -366,6 +367,14 @@ unsigned char *PNG_LoadImage_BGRA (const unsigned char *raw, int filesize)
imagedata = NULL;
}
+ // swizzle RGBA to BGRA
+ for (y = 0;y < (unsigned int)(image_width*image_height*4);y += 4)
+ {
+ c = imagedata[y+0];
+ imagedata[y+0] = imagedata[y+2];
+ imagedata[y+2] = c;
+ }
+
return imagedata;
}
--
2.39.5