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d3dx9: Black out pixels which are outside the source rect in D3DXLoadSurfaceFromMemory if no stretching is used.

This commit is contained in:
Tony Wasserka 2010-08-21 12:54:38 +02:00 committed by Alexandre Julliard
parent fad5ff478d
commit 18b8916942
1 changed files with 6 additions and 1 deletions
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7
dlls/d3dx9_36/surface.c
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@ -526,6 +526,7 @@ static void make_argb_color(CONST struct argb_conversion_info *info, CONST DWORD
* *
* Copies the source buffer to the destination buffer, performing * Copies the source buffer to the destination buffer, performing
* any necessary format conversion and color keying. * any necessary format conversion and color keying.
* Pixels outsize the source rect are blacked out.
* Works only for ARGB formats with 1 - 4 bytes per pixel. * Works only for ARGB formats with 1 - 4 bytes per pixel.
*/ */
static void copy_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize, CONST PixelFormatDesc *srcformat, static void copy_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize, CONST PixelFormatDesc *srcformat,
@ -555,8 +556,12 @@ static void copy_simple_data(CONST BYTE *src, UINT srcpitch, POINT srcsize, C
srcptr += srcformat->bytes_per_pixel; srcptr += srcformat->bytes_per_pixel;
destptr += destformat->bytes_per_pixel; destptr += destformat->bytes_per_pixel;
} }
if(srcsize.x < destsize.x) /* black out remaining pixels */
ZeroMemory(destptr, destformat->bytes_per_pixel * (destsize.x - srcsize.x));
} }
/* TODO: Black out unused pixels */ if(srcsize.y < destsize.y) /* black out remaining pixels */
ZeroMemory(dest + srcsize.y * destpitch, destpitch * (destsize.y - srcsize.y));
} }
/************************************************************ /************************************************************