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/**************************************************************************
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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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#ifndef DRI_DRAWABLE_H
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#define DRI_DRAWABLE_H
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#include "pipe/p_compiler.h"
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#include "pipe/p_format.h"
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#include "state_tracker/st_api.h"
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struct pipe_surface;
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struct st_framebuffer;
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struct dri_context;
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#define DRI_SWAP_FENCES_MAX 4
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#define DRI_SWAP_FENCES_MASK 3
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#define DRI_SWAP_FENCES_DEFAULT 1
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struct dri_drawable
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{
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   struct st_framebuffer_iface base;
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   struct st_visual stvis;
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   struct dri_screen *screen;
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   /* dri */
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   __DRIdrawable *dPriv;
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   __DRIscreen *sPriv;
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   __DRIbuffer old[8];
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   unsigned old_num;
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   unsigned old_w;
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   unsigned old_h;
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   struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
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   struct pipe_resource *msaa_textures[ST_ATTACHMENT_COUNT];
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   unsigned int texture_mask, texture_stamp;
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   struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX];
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   unsigned int cur_fences;
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   unsigned int head;
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   unsigned int tail;
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   unsigned int desired_fences;
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   boolean flushing; /* prevents recursion in dri_flush */
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   /* used only by DRISW */
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   struct pipe_surface *drisw_surface;
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   /* hooks filled in by dri2 & drisw */
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   void (*allocate_textures)(struct dri_context *ctx,
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                             struct dri_drawable *drawable,
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                             const enum st_attachment_type *statts,
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                             unsigned count);
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   void (*update_drawable_info)(struct dri_drawable *drawable);
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   void (*flush_frontbuffer)(struct dri_context *ctx,
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                             struct dri_drawable *drawable,
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                             enum st_attachment_type statt);
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   void (*update_tex_buffer)(struct dri_drawable *drawable,
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                             struct dri_context *ctx,
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                             struct pipe_resource *res);
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};
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static INLINE struct dri_drawable *
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dri_drawable(__DRIdrawable * driDrawPriv)
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{
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   return (struct dri_drawable *) (driDrawPriv)
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      ? driDrawPriv->driverPrivate : NULL;
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}
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/***********************************************************************
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 * dri_drawable.c
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 */
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boolean
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dri_create_buffer(__DRIscreen * sPriv,
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		  __DRIdrawable * dPriv,
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		  const struct gl_config * visual, boolean isPixmap);
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void dri_destroy_buffer(__DRIdrawable * dPriv);
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void
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dri_drawable_get_format(struct dri_drawable *drawable,
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                        enum st_attachment_type statt,
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                        enum pipe_format *format,
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                        unsigned *bind);
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void
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dri_pipe_blit(struct pipe_context *pipe,
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              struct pipe_resource *dst,
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              struct pipe_resource *src);
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void
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dri_flush(__DRIcontext *cPriv,
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          __DRIdrawable *dPriv,
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          unsigned flags,
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          enum __DRI2throttleReason reason);
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extern const __DRItexBufferExtension driTexBufferExtension;
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extern const __DRI2throttleExtension dri2ThrottleExtension;
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#endif
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/* vim: set sw=3 ts=8 sts=3 expandtab: */