src/glx/dri_common_query_renderer.c

   1 /*
   2  * Copyright © 2013 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
  25
  26 #include "glxclient.h"
  27 #include "glx_error.h"
  28 #include "dri_interface.h"
  29 #include "dri2_priv.h"
  30 #if defined(HAVE_DRI3)
  31 #include "dri3_priv.h"
  32 #endif
  33 #include "drisw_priv.h"
  34
  35 #define __RENDERER(attrib) \
  36     { GLX_RENDERER_##attrib##_MESA, __DRI2_RENDERER_##attrib }
  37
  38 static const struct {
  39    unsigned int glx_attrib, dri2_attrib;
  40 } query_renderer_map[] = {
  41   __RENDERER(VENDOR_ID),
  42   __RENDERER(DEVICE_ID),
  43   __RENDERER(VERSION),
  44   __RENDERER(ACCELERATED),
  45   __RENDERER(VIDEO_MEMORY),
  46   __RENDERER(UNIFIED_MEMORY_ARCHITECTURE),
  47   __RENDERER(PREFERRED_PROFILE),
  48   __RENDERER(OPENGL_CORE_PROFILE_VERSION),
  49   __RENDERER(OPENGL_COMPATIBILITY_PROFILE_VERSION),
  50   __RENDERER(OPENGL_ES_PROFILE_VERSION),
  51   __RENDERER(OPENGL_ES2_PROFILE_VERSION),
  52 };
  53
  54 #undef __RENDERER
  55
  56 static int
  57 dri2_convert_glx_query_renderer_attribs(int attribute)
  58 {
  59    int i;
  60
  61    for (i = 0; i < ARRAY_SIZE(query_renderer_map); i++)
  62       if (query_renderer_map[i].glx_attrib == attribute)
  63          return query_renderer_map[i].dri2_attrib;
  64
  65    return -1;
  66 }
  67
  68 _X_HIDDEN int
  69 dri2_query_renderer_integer(struct glx_screen *base, int attribute,
  70                             unsigned int *value)
  71 {
  72    struct dri2_screen *const psc = (struct dri2_screen *) base;
  73
  74    /* Even though there are invalid values (and
  75     * dri2_convert_glx_query_renderer_attribs may return -1), the higher level
  76     * GLX code is required to perform the filtering.  Assume that we got a
  77     * good value.
  78     */
  79    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
  80
  81    if (psc->rendererQuery == NULL)
  82       return -1;
  83
  84    return psc->rendererQuery->queryInteger(psc->driScreen, dri_attribute,
  85                                            value);
  86 }
  87
  88 _X_HIDDEN int
  89 dri2_query_renderer_string(struct glx_screen *base, int attribute,
  90                            const char **value)
  91 {
  92    struct dri2_screen *const psc = (struct dri2_screen *) base;
  93
  94    /* Even though queryString only accepts a subset of the possible GLX
  95     * queries, the higher level GLX code is required to perform the filtering.
  96     * Assume that we got a good value.
  97     */
  98    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
  99
 100    if (psc->rendererQuery == NULL)
 101       return -1;
 102
 103    return psc->rendererQuery->queryString(psc->driScreen, dri_attribute, value);
 104 }
 105
 106 #if defined(HAVE_DRI3)
 107 _X_HIDDEN int
 108 dri3_query_renderer_integer(struct glx_screen *base, int attribute,
 109                             unsigned int *value)
 110 {
 111    struct dri3_screen *const psc = (struct dri3_screen *) base;
 112
 113    /* Even though there are invalid values (and
 114     * dri2_convert_glx_query_renderer_attribs may return -1), the higher level
 115     * GLX code is required to perform the filtering.  Assume that we got a
 116     * good value.
 117     */
 118    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 119
 120    if (psc->rendererQuery == NULL)
 121       return -1;
 122
 123    return psc->rendererQuery->queryInteger(psc->driScreen, dri_attribute,
 124                                            value);
 125 }
 126
 127 _X_HIDDEN int
 128 dri3_query_renderer_string(struct glx_screen *base, int attribute,
 129                            const char **value)
 130 {
 131    struct dri3_screen *const psc = (struct dri3_screen *) base;
 132
 133    /* Even though queryString only accepts a subset of the possible GLX
 134     * queries, the higher level GLX code is required to perform the filtering.
 135     * Assume that we got a good value.
 136     */
 137    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 138
 139    if (psc->rendererQuery == NULL)
 140       return -1;
 141
 142    return psc->rendererQuery->queryString(psc->driScreen, dri_attribute, value);
 143 }
 144 #endif /* HAVE_DRI3 */
 145
 146 _X_HIDDEN int
 147 drisw_query_renderer_integer(struct glx_screen *base, int attribute,
 148                              unsigned int *value)
 149 {
 150    struct drisw_screen *const psc = (struct drisw_screen *) base;
 151
 152    /* Even though there are invalid values (and
 153     * dri2_convert_glx_query_renderer_attribs may return -1), the higher level
 154     * GLX code is required to perform the filtering.  Assume that we got a
 155     * good value.
 156     */
 157    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 158
 159    if (psc->rendererQuery == NULL)
 160       return -1;
 161
 162    return psc->rendererQuery->queryInteger(psc->driScreen, dri_attribute,
 163                                            value);
 164 }
 165
 166 _X_HIDDEN int
 167 drisw_query_renderer_string(struct glx_screen *base, int attribute,
 168                             const char **value)
 169 {
 170    struct drisw_screen *const psc = (struct drisw_screen *) base;
 171
 172    /* Even though queryString only accepts a subset of the possible GLX
 173     * queries, the higher level GLX code is required to perform the filtering.
 174     * Assume that we got a good value.
 175     */
 176    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 177
 178    if (psc->rendererQuery == NULL)
 179       return -1;
 180
 181    return psc->rendererQuery->queryString(psc->driScreen, dri_attribute, value);
 182 }
 183
 184
 185 #endif /* GLX_DIRECT_RENDERING */