From c545139a6bd720a4652604678387d05a38c0cc5a Mon Sep 17 00:00:00 2001
From: Niceblack <lertmind@gmail.com>
Date: Mon, 3 Jul 2017 00:07:59 +0300
Subject: [PATCH] Fix the color components in esLoadTGA

TGA uses BGR/BGRA color and therefore we have to swap the color components.
---
 Common/Source/esUtil.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Common/Source/esUtil.c b/Common/Source/esUtil.c
index 3e8ae6b..86d8923 100644
--- a/Common/Source/esUtil.c
+++ b/Common/Source/esUtil.c
@@ -414,6 +414,18 @@ char *ESUTIL_API esLoadTGA ( void *ioContext, const char *fileName, int *width,
       {
          bytesRead = esFileRead ( fp, bytesToRead, buffer );
          esFileClose ( fp );
+         
+         // Convert BGR to RGB, BGRA to RGBA
+         if ( Header.ColorDepth == 24 || Header.ColorDepth == 32 )
+         {
+            int i;
+            for ( i = 0; i < bytesToRead; i += Header.ColorDepth / 8 )
+            {
+               char tmp = buffer[i];
+               buffer[i] = buffer[i + 2];
+               buffer[i + 2] = tmp;
+            }
+         }
 
          return ( buffer );
       }