67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "main/glheader.h"
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#include "st_context.h"
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#include "st_cb_fbo.h"
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#include "st_cb_viewport.h"
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#include "pipe/p_state.h"
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#include "pipe/p_defines.h"
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#include "util/u_atomic.h"
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static void st_viewport(struct gl_context *ctx)
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{
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struct st_context *st = ctx->st;
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struct st_framebuffer *stdraw;
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struct st_framebuffer *stread;
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if (!st->invalidate_on_gl_viewport)
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return;
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/*
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* Normally we'd want the frontend manager to mark the drawables
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* invalid only when needed. This will force the frontend manager
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* to revalidate the drawable, rather than just update the context with
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* the latest cached drawable info.
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*/
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stdraw = st_ws_framebuffer(st->ctx->DrawBuffer);
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stread = st_ws_framebuffer(st->ctx->ReadBuffer);
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if (stdraw)
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stdraw->iface_stamp = p_atomic_read(&stdraw->iface->stamp) - 1;
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if (stread && stread != stdraw)
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stread->iface_stamp = p_atomic_read(&stread->iface->stamp) - 1;
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}
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void st_init_viewport_functions(struct dd_function_table *functions)
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{
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functions->Viewport = st_viewport;
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}
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