Module: Mesa Branch: gallium-mesa-7.4 Commit: 6ef0951b174b7eda71ccf4a7ac4881df62829843 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6ef0951b174b7eda71ccf4a7ac4881df62829843
Author: Brian Paul <bri...@vmware.com> Date: Thu Apr 2 13:11:33 2009 -0600 mesa: don't call ctx->Driver.ReadPixels() if width or height is zero (cherry picked from commit master, 7b9bf395433b5fa9d5a95186891a29d49e0b47c0) --- 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 mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit