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Merge branch 'mesa_7_5_branch'
[mesa.git]
/
src
/
mesa
/
main
/
readpix.c
diff --git
a/src/mesa/main/readpix.c
b/src/mesa/main/readpix.c
index dfdd297b6e715ed7561b339b89e0a41193dfb7f7..2326776ecbfb4efbf1ce149649aeed4246e3f7bf 100644
(file)
--- a/
src/mesa/main/readpix.c
+++ b/
src/mesa/main/readpix.c
@@
-170,6
+170,9
@@
_mesa_ReadPixels( GLint x, GLint y, GLsizei width, GLsizei height,
return;
}
+ if (width == 0 || height == 0)
+ return; /* nothing to do */
+
if (ctx->Pack.BufferObj->Name) {
if (!_mesa_validate_pbo_access(2, &ctx->Pack, width, height, 1,
format, type, pixels)) {