diff options
| author | Brian Paul <brianp@vmware.com> | 2009-04-02 13:05:55 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-04-02 13:05:55 -0600 |
| commit | 7b9bf395433b5fa9d5a95186891a29d49e0b47c0 (patch) | |
| tree | a71d3124e4e55a1ed27e53659a1e713bf820728b /src/mesa/main | |
| parent | f6a3f1f52a969c8d990a3a41e816af4864eea45c (diff) | |
mesa: don't call ctx->Driver.ReadPixels() if width or height is zero
Diffstat (limited to 'src/mesa/main')
| -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 dfdd297b6e..2326776ecb 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)) { |