no-op glCopyPixels if width or height is zero

9a563d5e · Brian · f4d51d89 · 9a563d5e
Commit 9a563d5e authored Nov 05, 2007 by Brian
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src/mesa/main/drawpix.c src/mesa/main/drawpix.c +1 -1

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--- a/src/mesa/main/drawpix.c
+++ b/src/mesa/main/drawpix.c
@@ -239,7 +239,7 @@ _mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
      return;
   }

-   if (!ctx->Current.RasterPosValid) {
+   if (!ctx->Current.RasterPosValid || width ==0 || height == 0) {
      return;
   }