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Don't call Driver->Bitmap() if no image to render

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This commit is contained in:
Brian Paul 2006-03-18 21:46:02 +00:00
parent 9b2762d7b9
commit 0a5fea5f96
1 changed files with 7 additions and 5 deletions
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12
src/mesa/main/drawpix.c
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@ -2,7 +2,7 @@
* Mesa 3-D graphics library
* Version: 6.5
*
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -363,10 +363,12 @@ _mesa_Bitmap( GLsizei width, GLsizei height,
}
if (ctx->RenderMode == GL_RENDER) {
/* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
GLint x = IFLOOR(ctx->Current.RasterPos[0] - xorig);
GLint y = IFLOOR(ctx->Current.RasterPos[1] - yorig);
ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
if (bitmap) {
/* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
GLint x = IFLOOR(ctx->Current.RasterPos[0] - xorig);
GLint y = IFLOOR(ctx->Current.RasterPos[1] - yorig);
ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
}
}
#if _HAVE_FULL_GL
else if (ctx->RenderMode == GL_FEEDBACK) {