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      1 /*
      2  * Copyright  2013 Keith Packard
      3  *
      4  * Permission to use, copy, modify, distribute, and sell this software and its
      5  * documentation for any purpose is hereby granted without fee, provided that
      6  * the above copyright notice appear in all copies and that both that copyright
      7  * notice and this permission notice appear in supporting documentation, and
      8  * that the name of the copyright holders not be used in advertising or
      9  * publicity pertaining to distribution of the software without specific,
     10  * written prior permission.  The copyright holders make no representations
     11  * about the suitability of this software for any purpose.  It is provided "as
     12  * is" without express or implied warranty.
     13  *
     14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
     15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
     16  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
     17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
     18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
     19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
     20  * OF THIS SOFTWARE.
     21  */
     22 
     23 /* This file was derived from dri2_priv.h which carries the following
     24  * copyright:
     25  *
     26  * Copyright  2008 Red Hat, Inc.
     27  *
     28  * Permission is hereby granted, free of charge, to any person obtaining a
     29  * copy of this software and associated documentation files (the "Soft-
     30  * ware"), to deal in the Software without restriction, including without
     31  * limitation the rights to use, copy, modify, merge, publish, distribute,
     32  * and/or sell copies of the Software, and to permit persons to whom the
     33  * Software is furnished to do so, provided that the above copyright
     34  * notice(s) and this permission notice appear in all copies of the Soft-
     35  * ware and that both the above copyright notice(s) and this permission
     36  * notice appear in supporting documentation.
     37  *
     38  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     39  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
     40  * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
     41  * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
     42  * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
     43  * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
     44  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
     45  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
     46  * MANCE OF THIS SOFTWARE.
     47  *
     48  * Except as contained in this notice, the name of a copyright holder shall
     49  * not be used in advertising or otherwise to promote the sale, use or
     50  * other dealings in this Software without prior written authorization of
     51  * the copyright holder.
     52  *
     53  * Authors:
     54  *   Kristian Hgsberg (krh (at) redhat.com)
     55  */
     56 
     57 #include <xcb/xcb.h>
     58 #include <xcb/dri3.h>
     59 #include <xcb/present.h>
     60 #include <xcb/sync.h>
     61 
     62 #include "loader_dri3_helper.h"
     63 
     64 /* From xmlpool/options.h, user exposed so should be stable */
     65 #define DRI_CONF_VBLANK_NEVER 0
     66 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
     67 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
     68 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
     69 
     70 struct dri3_display
     71 {
     72    __GLXDRIdisplay base;
     73 
     74    const __DRIextension **loader_extensions;
     75 
     76    /* DRI3 bits */
     77    int dri3Major;
     78    int dri3Minor;
     79 
     80    /* Present bits */
     81    int hasPresent;
     82    int presentMajor;
     83    int presentMinor;
     84 };
     85 
     86 struct dri3_screen {
     87    struct glx_screen base;
     88 
     89    __DRIscreen *driScreen;
     90    __GLXDRIscreen vtable;
     91 
     92    const __DRIimageExtension *image;
     93    const __DRIimageDriverExtension *image_driver;
     94    const __DRIcoreExtension *core;
     95    const __DRI2flushExtension *f;
     96    const __DRI2configQueryExtension *config;
     97    const __DRItexBufferExtension *texBuffer;
     98    const __DRI2rendererQueryExtension *rendererQuery;
     99    const __DRI2interopExtension *interop;
    100    const __DRIconfig **driver_configs;
    101 
    102    void *driver;
    103    int fd;
    104    int is_different_gpu;
    105 
    106    int show_fps_interval;
    107 
    108    struct loader_dri3_extensions loader_dri3_ext;
    109 };
    110 
    111 struct dri3_context
    112 {
    113    struct glx_context base;
    114    __DRIcontext *driContext;
    115 };
    116 
    117 struct dri3_drawable {
    118    __GLXDRIdrawable base;
    119    struct loader_dri3_drawable loader_drawable;
    120    int swap_interval;
    121 
    122    /* LIBGL_SHOW_FPS support */
    123    uint64_t previous_ust;
    124    unsigned frames;
    125 };
    126 
    127 
    128 _X_HIDDEN int
    129 dri3_query_renderer_integer(struct glx_screen *base, int attribute,
    130                             unsigned int *value);
    131 
    132 _X_HIDDEN int
    133 dri3_query_renderer_string(struct glx_screen *base, int attribute,
    134                            const char **value);
    135 
    136 _X_HIDDEN int
    137 dri3_interop_query_device_info(struct glx_context *ctx,
    138                                struct mesa_glinterop_device_info *out);
    139 
    140 _X_HIDDEN int
    141 dri3_interop_export_object(struct glx_context *ctx,
    142                            struct mesa_glinterop_export_in *in,
    143                            struct mesa_glinterop_export_out *out);
    144