diff options
| author | Brian Paul <[email protected]> | 2009-04-02 13:11:33 -0600 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2009-04-02 13:11:33 -0600 |
| commit | 6ef0951b174b7eda71ccf4a7ac4881df62829843 (patch) | |
| tree | e6decb57c5c46fa029eb2d1c839fa08f0368b09f | |
| parent | 2b33b77337813399f869c6f3d96401b9a48a586d (diff) | |
mesa: don't call ctx->Driver.ReadPixels() if width or height is zero
(cherry picked from commit master, 7b9bf395433b5fa9d5a95186891a29d49e0b47c0)
| -rw-r--r-- | 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 dfdd297b6e7..2326776ecbf 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)) { |