Module: Mesa Branch: master Commit: 7b9bf395433b5fa9d5a95186891a29d49e0b47c0 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7b9bf395433b5fa9d5a95186891a29d49e0b47c0
Author: Brian Paul <[email protected]> Date: Thu Apr 2 13:05:55 2009 -0600 mesa: don't call ctx->Driver.ReadPixels() if width or height is zero --- src/mesa/main/readpix.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c index dfdd297..2326776 100644 --- 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)) { _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
