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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2009, VMware, Inc.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #ifndef DRI_DRAWABLE_H
  29. #define DRI_DRAWABLE_H
  30.  
  31. #include "pipe/p_compiler.h"
  32. #include "pipe/p_format.h"
  33. #include "state_tracker/st_api.h"
  34.  
  35. struct pipe_surface;
  36. struct st_framebuffer;
  37. struct dri_context;
  38.  
  39. #define DRI_SWAP_FENCES_MAX 4
  40. #define DRI_SWAP_FENCES_MASK 3
  41. #define DRI_SWAP_FENCES_DEFAULT 1
  42.  
  43. struct dri_drawable
  44. {
  45.    struct st_framebuffer_iface base;
  46.    struct st_visual stvis;
  47.  
  48.    struct dri_screen *screen;
  49.  
  50.    /* dri */
  51.    __DRIdrawable *dPriv;
  52.    __DRIscreen *sPriv;
  53.  
  54.    __DRIbuffer old[8];
  55.    unsigned old_num;
  56.    unsigned old_w;
  57.    unsigned old_h;
  58.  
  59.    struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
  60.    struct pipe_resource *msaa_textures[ST_ATTACHMENT_COUNT];
  61.    unsigned int texture_mask, texture_stamp;
  62.  
  63.    struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX];
  64.    unsigned int cur_fences;
  65.    unsigned int head;
  66.    unsigned int tail;
  67.    unsigned int desired_fences;
  68.    boolean flushing; /* prevents recursion in dri_flush */
  69.  
  70.    /* used only by DRISW */
  71.    struct pipe_surface *drisw_surface;
  72.  
  73.    /* hooks filled in by dri2 & drisw */
  74.    void (*allocate_textures)(struct dri_context *ctx,
  75.                              struct dri_drawable *drawable,
  76.                              const enum st_attachment_type *statts,
  77.                              unsigned count);
  78.  
  79.    void (*update_drawable_info)(struct dri_drawable *drawable);
  80.  
  81.    void (*flush_frontbuffer)(struct dri_context *ctx,
  82.                              struct dri_drawable *drawable,
  83.                              enum st_attachment_type statt);
  84.  
  85.    void (*update_tex_buffer)(struct dri_drawable *drawable,
  86.                              struct dri_context *ctx,
  87.                              struct pipe_resource *res);
  88. };
  89.  
  90. static INLINE struct dri_drawable *
  91. dri_drawable(__DRIdrawable * driDrawPriv)
  92. {
  93.    return (struct dri_drawable *) (driDrawPriv)
  94.       ? driDrawPriv->driverPrivate : NULL;
  95. }
  96.  
  97. /***********************************************************************
  98.  * dri_drawable.c
  99.  */
  100. boolean
  101. dri_create_buffer(__DRIscreen * sPriv,
  102.                   __DRIdrawable * dPriv,
  103.                   const struct gl_config * visual, boolean isPixmap);
  104.  
  105. void dri_destroy_buffer(__DRIdrawable * dPriv);
  106.  
  107. void
  108. dri_drawable_get_format(struct dri_drawable *drawable,
  109.                         enum st_attachment_type statt,
  110.                         enum pipe_format *format,
  111.                         unsigned *bind);
  112.  
  113. void
  114. dri_pipe_blit(struct pipe_context *pipe,
  115.               struct pipe_resource *dst,
  116.               struct pipe_resource *src);
  117.  
  118. void
  119. dri_flush(__DRIcontext *cPriv,
  120.           __DRIdrawable *dPriv,
  121.           unsigned flags,
  122.           enum __DRI2throttleReason reason);
  123.  
  124. extern const __DRItexBufferExtension driTexBufferExtension;
  125. extern const __DRI2throttleExtension dri2ThrottleExtension;
  126. #endif
  127.  
  128. /* vim: set sw=3 ts=8 sts=3 expandtab: */
  129.