dri_drawable.c revision ea6a52a1f8e7fd72b5506218c31e58088131f1f5 
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 * Author: Keith Whitwell <keithw@vmware.com>
29 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
30 */
31
32#include "dri_screen.h"
33#include "dri_context.h"
34#include "dri_drawable.h"
35#include "dri_st_api.h"
36#include "dri1_helper.h"
37
38#include "pipe/p_screen.h"
39#include "util/u_format.h"
40#include "util/u_memory.h"
41
42/**
43 * This is called when we need to set up GL rendering to a new X window.
44 */
45boolean
46dri_create_buffer(__DRIscreen * sPriv,
47		  __DRIdrawable * dPriv,
48		  const __GLcontextModes * visual, boolean isPixmap)
49{
50   struct dri_screen *screen = sPriv->private;
51   struct dri_drawable *drawable = NULL;
52
53   if (isPixmap)
54      goto fail;		       /* not implemented */
55
56   drawable = CALLOC_STRUCT(dri_drawable);
57   if (drawable == NULL)
58      goto fail;
59
60   dri_fill_st_visual(&drawable->stvis, screen, visual);
61   drawable->stfb = dri_create_st_framebuffer(drawable);
62   if (drawable->stfb == NULL)
63      goto fail;
64
65   drawable->sPriv = sPriv;
66   drawable->dPriv = dPriv;
67   dPriv->driverPrivate = (void *)drawable;
68
69   drawable->desired_fences = 2;
70
71   return GL_TRUE;
72fail:
73   FREE(drawable);
74   return GL_FALSE;
75}
76
77void
78dri_destroy_buffer(__DRIdrawable * dPriv)
79{
80   struct dri_drawable *drawable = dri_drawable(dPriv);
81
82   dri1_swap_fences_clear(drawable);
83
84   dri1_destroy_pipe_surface(drawable);
85
86   dri_destroy_st_framebuffer(drawable->stfb);
87
88   drawable->desired_fences = 0;
89
90   FREE(drawable);
91}
92
93/**
94 * Get the format and binding of an attachment.
95 */
96void
97dri_drawable_get_format(struct dri_drawable *drawable,
98                        enum st_attachment_type statt,
99                        enum pipe_format *format,
100                        unsigned *bind)
101{
102   switch (statt) {
103   case ST_ATTACHMENT_FRONT_LEFT:
104   case ST_ATTACHMENT_BACK_LEFT:
105   case ST_ATTACHMENT_FRONT_RIGHT:
106   case ST_ATTACHMENT_BACK_RIGHT:
107      *format = drawable->stvis.color_format;
108      *bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
109      break;
110   case ST_ATTACHMENT_DEPTH_STENCIL:
111      *format = drawable->stvis.depth_stencil_format;
112      *bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
113      break;
114   default:
115      *format = PIPE_FORMAT_NONE;
116      *bind = 0;
117      break;
118   }
119}
120
121/* vim: set sw=3 ts=8 sts=3 expandtab: */
122