1 /************************************************************************** 2 * 3 * Copyright (C) 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 #ifndef DRI_CONTEXT_H 33 #define DRI_CONTEXT_H 34 35 #include "dri_util.h" 36 #include "util/compiler.h" 37 #include "hud/hud_context.h" 38 39 struct pipe_context; 40 struct pipe_fence; 41 struct st_context; 42 struct dri_drawable; 43 struct dri_screen; 44 45 struct dri_context 46 { 47 /* dri */ 48 struct dri_screen *screen; 49 50 /** 51 * Pointer to drawable currently bound to this context for drawing. 52 */ 53 struct dri_drawable *draw; 54 55 /** 56 * Pointer to drawable currently bound to this context for reading. 57 */ 58 struct dri_drawable *read; 59 60 /** 61 * True if the dri_drawable's current __DRIimageBufferMask is 62 * __DRI_IMAGE_BUFFER_SHARED. 63 */ 64 bool is_shared_buffer_bound; 65 66 /** 67 * The loaders's private context data. This structure is opaque. 68 */ 69 void *loaderPrivate; 70 71 struct { 72 int draw_stamp; 73 int read_stamp; 74 } dri2; 75 76 /* gallium */ 77 struct st_context *st; 78 struct pp_queue_t *pp; 79 struct hud_context *hud; 80 }; 81 82 /*********************************************************************** 83 * dri_context.c 84 */ 85 void dri_destroy_context(struct dri_context *ctx); 86 87 bool 88 dri_unbind_context(struct dri_context *ctx); 89 90 bool 91 dri_make_current(struct dri_context *ctx, 92 struct dri_drawable *draw, 93 struct dri_drawable *read); 94 95 struct dri_context * 96 dri_get_current(void); 97 98 struct dri_context * 99 dri_create_context(struct dri_screen *screen, 100 gl_api api, const struct gl_config *visual, 101 const struct __DriverContextConfig *ctx_config, 102 unsigned *error, 103 struct dri_context *sharedContextPrivate, 104 void *loaderPrivate); 105 106 #endif 107 108 /* vim: set sw=3 ts=8 sts=3 expandtab: */ 109