| /************************************************************************** |
| * |
| * 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 VMWARE 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_cb_fbo.h" |
| #include "st_cb_viewport.h" |
| |
| #include "pipe/p_state.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_atomic.h" |
| |
| |
| static void st_viewport(struct gl_context *ctx) |
| { |
| struct st_context *st = ctx->st; |
| struct st_framebuffer *stdraw; |
| struct st_framebuffer *stread; |
| |
| if (!st->invalidate_on_gl_viewport) |
| return; |
| |
| /* |
| * Normally we'd want the frontend manager to mark the drawables |
| * invalid only when needed. This will force the frontend manager |
| * to revalidate the drawable, rather than just update the context with |
| * the latest cached drawable info. |
| */ |
| |
| stdraw = st_ws_framebuffer(st->ctx->DrawBuffer); |
| stread = st_ws_framebuffer(st->ctx->ReadBuffer); |
| |
| if (stdraw) |
| stdraw->iface_stamp = p_atomic_read(&stdraw->iface->stamp) - 1; |
| if (stread && stread != stdraw) |
| stread->iface_stamp = p_atomic_read(&stread->iface->stamp) - 1; |
| } |
| |
| void st_init_viewport_functions(struct dd_function_table *functions) |
| { |
| functions->Viewport = st_viewport; |
| } |