src/gallium/state_trackers/dri/dri_drawable.h

   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 struct dri_drawable
  40 {
  41    struct st_framebuffer_iface base;
  42    struct st_visual stvis;
  43
  44    struct dri_screen *screen;
  45
  46    /* dri */
  47    __DRIdrawable *dPriv;
  48    __DRIscreen *sPriv;
  49
  50    __DRIbuffer old[8];
  51    unsigned old_num;
  52    unsigned old_w;
  53    unsigned old_h;
  54
  55    struct pipe_box *damage_rects;
  56    unsigned int num_damage_rects;
  57
  58    struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
  59    struct pipe_resource *msaa_textures[ST_ATTACHMENT_COUNT];
  60    unsigned int texture_mask, texture_stamp;
  61
  62    struct pipe_fence_handle *throttle_fence;
  63    bool flushing; /* prevents recursion in dri_flush */
  64
  65    /* used only by DRISW */
  66    struct pipe_surface *drisw_surface;
  67
  68    /* hooks filled in by dri2 & drisw */
  69    void (*allocate_textures)(struct dri_context *ctx,
  70                              struct dri_drawable *drawable,
  71                              const enum st_attachment_type *statts,
  72                              unsigned count);
  73
  74    void (*update_drawable_info)(struct dri_drawable *drawable);
  75
  76    void (*flush_frontbuffer)(struct dri_context *ctx,
  77                              struct dri_drawable *drawable,
  78                              enum st_attachment_type statt);
  79
  80    void (*update_tex_buffer)(struct dri_drawable *drawable,
  81                              struct dri_context *ctx,
  82                              struct pipe_resource *res);
  83    void (*flush_swapbuffers)(struct dri_context *ctx,
  84                              struct dri_drawable *drawable);
  85 };
  86
  87 static inline struct dri_drawable *
  88 dri_drawable(__DRIdrawable * driDrawPriv)
  89 {
  90    return (struct dri_drawable *) (driDrawPriv)
  91       ? driDrawPriv->driverPrivate : NULL;
  92 }
  93
  94 /***********************************************************************
  95  * dri_drawable.c
  96  */
  97 bool
  98 dri_create_buffer(__DRIscreen * sPriv,
  99                   __DRIdrawable * dPriv,
 100                   const struct gl_config * visual, bool isPixmap);
 101
 102 void dri_destroy_buffer(__DRIdrawable * dPriv);
 103
 104 void
 105 dri_drawable_get_format(struct dri_drawable *drawable,
 106                         enum st_attachment_type statt,
 107                         enum pipe_format *format,
 108                         unsigned *bind);
 109
 110 void
 111 dri_pipe_blit(struct pipe_context *pipe,
 112               struct pipe_resource *dst,
 113               struct pipe_resource *src);
 114
 115 void
 116 dri_flush(__DRIcontext *cPriv,
 117           __DRIdrawable *dPriv,
 118           unsigned flags,
 119           enum __DRI2throttleReason reason);
 120
 121 extern const __DRItexBufferExtension driTexBufferExtension;
 122 extern const __DRI2throttleExtension dri2ThrottleExtension;
 123 #endif
 124
 125 /* vim: set sw=3 ts=8 sts=3 expandtab: */