diff options
| -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)) { |