From 6b722272709abed5468428da5d2c8951c84867d2 Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Thu, 19 Feb 2009 18:33:15 +0000 Subject: gallium: add winsys interface for viewport changes to support DRI2 --- src/mesa/state_tracker/st_cb_viewport.c | 51 +++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/mesa/state_tracker/st_cb_viewport.c (limited to 'src/mesa/state_tracker/st_cb_viewport.c') diff --git a/src/mesa/state_tracker/st_cb_viewport.c b/src/mesa/state_tracker/st_cb_viewport.c new file mode 100644 index 0000000000..6adf3162c1 --- /dev/null +++ b/src/mesa/state_tracker/st_cb_viewport.c @@ -0,0 +1,51 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "main/glheader.h" +#include "st_context.h" +#include "st_public.h" +#include "st_cb_viewport.h" + +#include "pipe/p_context.h" +#include "pipe/p_inlines.h" +#include "pipe/p_state.h" +#include "pipe/p_defines.h" + +static void st_viewport(GLcontext * ctx, GLint x, GLint y, + GLsizei width, GLsizei height) +{ + struct st_context *st = ctx->st; + + if (st->pipe->winsys) + st->pipe->winsys->update_buffer( st->pipe->winsys, + st->pipe->priv ); +} + +void st_init_viewport_functions(struct dd_function_table *functions) +{ + functions->Viewport = st_viewport; +} -- cgit v1.2.3