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diff src/video/SDL_blit_N.c @ 431:41cadcba32e8

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Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
author Sam Lantinga <slouken@libsdl.org>
date Thu, 01 Aug 2002 23:06:39 +0000
parents c94b390687d2
children 22dbf364c017
line wrap: on
line diff
--- a/src/video/SDL_blit_N.c	Thu Aug 01 05:16:38 2002 +0000
+++ b/src/video/SDL_blit_N.c	Thu Aug 01 23:06:39 2002 +0000
@@ -1202,7 +1202,7 @@
 	int srcbpp = srcfmt->BytesPerPixel;
 	SDL_PixelFormat *dstfmt = info->dst;
 	int dstbpp = dstfmt->BytesPerPixel;
-	unsigned alpha = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
+	unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0;
 
 	while ( height-- ) {
 		DUFFS_LOOP(
@@ -1358,7 +1358,7 @@
 	SDL_PixelFormat *dstfmt = info->dst;
 	int srcbpp = srcfmt->BytesPerPixel;
 	int dstbpp = dstfmt->BytesPerPixel;
-	unsigned alpha = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
+	unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0;
 
 	while ( height-- ) {
 		DUFFS_LOOP(