From: Tim Goya <tuxdev103@gmail.com>
Date: Tue, 21 Aug 2007 00:28:52 +0000 (+0000)
Subject: SDL: use SDL_DisplayFormat instead of SDL_DisplayFormatAlpha for images that don... 
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=a62a9e28229f7e1def9a32fe9d88cad4debf55d1;p=supertux.git

SDL: use SDL_DisplayFormat instead of SDL_DisplayFormatAlpha for images that don't use alpha or don't have an alpha channel, huge speedup

SVN-Revision: 5148
---

diff --git a/src/video/sdl_texture.cpp b/src/video/sdl_texture.cpp
index 2f1bc97dd..5b4b61f97 100644
--- a/src/video/sdl_texture.cpp
+++ b/src/video/sdl_texture.cpp
@@ -406,7 +406,14 @@ namespace SDL
 {
   Texture::Texture(SDL_Surface* image)
   {
-    texture = SDL_DisplayFormatAlpha(image);
+    if(!(image->flags & SDL_SRCALPHA) || !image->format->Amask)
+    {
+      texture = SDL_DisplayFormat(image);
+    }
+    else
+    {
+      texture = SDL_DisplayFormatAlpha(image);
+    }
     //width = texture->w;
     //height = texture->h;
     int numerator, denominator;