diff options
| -rw-r--r-- | src/mesa/drivers/common/meta.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index c62927c5da7..69b06ed8e53 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -704,9 +704,14 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) _mesa_LoadIdentity(); _mesa_MatrixMode(GL_PROJECTION); _mesa_LoadIdentity(); - _mesa_Ortho(0.0, ctx->DrawBuffer->Width, - 0.0, ctx->DrawBuffer->Height, - -1.0, 1.0); + + /* glOrtho with width = 0 or height = 0 generates GL_INVALID_VALUE. + * This can occur when there is no draw buffer. + */ + if (ctx->DrawBuffer->Width != 0 && ctx->DrawBuffer->Height != 0) + _mesa_Ortho(0.0, ctx->DrawBuffer->Width, + 0.0, ctx->DrawBuffer->Height, + -1.0, 1.0); } if (state & MESA_META_CLIP) { |