src/glx/dri2_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 "dri2.h"
  29 #include "dri_interface.h"
  30 #include "dri2_priv.h"
  31 #if defined(HAVE_DRI3)
  32 #include "dri3_priv.h"
  33 #endif
  34 #include "drisw_priv.h"
  35
  36 #define __RENDERER(attrib) \
  37     { GLX_RENDERER_##attrib##_MESA, __DRI2_RENDERER_##attrib }
  38
  39 static const struct {
  40    unsigned int glx_attrib, dri2_attrib;
  41 } query_renderer_map[] = {
  42   __RENDERER(VENDOR_ID),
  43   __RENDERER(DEVICE_ID),
  44   __RENDERER(VERSION),
  45   __RENDERER(ACCELERATED),
  46   __RENDERER(VIDEO_MEMORY),
  47   __RENDERER(UNIFIED_MEMORY_ARCHITECTURE),
  48   __RENDERER(PREFERRED_PROFILE),
  49   __RENDERER(OPENGL_CORE_PROFILE_VERSION),
  50   __RENDERER(OPENGL_COMPATIBILITY_PROFILE_VERSION),
  51   __RENDERER(OPENGL_ES_PROFILE_VERSION),
  52   __RENDERER(OPENGL_ES2_PROFILE_VERSION),
  53 };
  54
  55 #undef __RENDERER
  56
  57 static int
  58 dri2_convert_glx_query_renderer_attribs(int attribute)
  59 {
  60    int i;
  61
  62    for (i = 0; i < ARRAY_SIZE(query_renderer_map); i++)
  63       if (query_renderer_map[i].glx_attrib == attribute)
  64          return query_renderer_map[i].dri2_attrib;
  65
  66    return -1;
  67 }
  68
  69 _X_HIDDEN int
  70 dri2_query_renderer_integer(struct glx_screen *base, int attribute,
  71                             unsigned int *value)
  72 {
  73    struct dri2_screen *const psc = (struct dri2_screen *) base;
  74
  75    /* Even though there are invalid values (and
  76     * dri2_convert_glx_query_renderer_attribs may return -1), the higher level
  77     * GLX code is required to perform the filtering.  Assume that we got a
  78     * good value.
  79     */
  80    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
  81
  82    if (psc->rendererQuery == NULL)
  83       return -1;
  84
  85    return psc->rendererQuery->queryInteger(psc->driScreen, dri_attribute,
  86                                            value);
  87 }
  88
  89 _X_HIDDEN int
  90 dri2_query_renderer_string(struct glx_screen *base, int attribute,
  91                            const char **value)
  92 {
  93    struct dri2_screen *const psc = (struct dri2_screen *) base;
  94
  95    /* Even though queryString only accepts a subset of the possible GLX
  96     * queries, the higher level GLX code is required to perform the filtering.
  97     * Assume that we got a good value.
  98     */
  99    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 100
 101    if (psc->rendererQuery == NULL)
 102       return -1;
 103
 104    return psc->rendererQuery->queryString(psc->driScreen, dri_attribute, value);
 105 }
 106
 107 #if defined(HAVE_DRI3)
 108 _X_HIDDEN int
 109 dri3_query_renderer_integer(struct glx_screen *base, int attribute,
 110                             unsigned int *value)
 111 {
 112    struct dri3_screen *const psc = (struct dri3_screen *) base;
 113
 114    /* Even though there are invalid values (and
 115     * dri2_convert_glx_query_renderer_attribs may return -1), the higher level
 116     * GLX code is required to perform the filtering.  Assume that we got a
 117     * good value.
 118     */
 119    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 120
 121    if (psc->rendererQuery == NULL)
 122       return -1;
 123
 124    return psc->rendererQuery->queryInteger(psc->driScreen, dri_attribute,
 125                                            value);
 126 }
 127
 128 _X_HIDDEN int
 129 dri3_query_renderer_string(struct glx_screen *base, int attribute,
 130                            const char **value)
 131 {
 132    struct dri3_screen *const psc = (struct dri3_screen *) base;
 133
 134    /* Even though queryString only accepts a subset of the possible GLX
 135     * queries, the higher level GLX code is required to perform the filtering.
 136     * Assume that we got a good value.
 137     */
 138    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 139
 140    if (psc->rendererQuery == NULL)
 141       return -1;
 142
 143    return psc->rendererQuery->queryString(psc->driScreen, dri_attribute, value);
 144 }
 145 #endif /* HAVE_DRI3 */
 146
 147 _X_HIDDEN int
 148 drisw_query_renderer_integer(struct glx_screen *base, int attribute,
 149                              unsigned int *value)
 150 {
 151    struct drisw_screen *const psc = (struct drisw_screen *) base;
 152
 153    /* Even though there are invalid values (and
 154     * dri2_convert_glx_query_renderer_attribs may return -1), the higher level
 155     * GLX code is required to perform the filtering.  Assume that we got a
 156     * good value.
 157     */
 158    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 159
 160    if (psc->rendererQuery == NULL)
 161       return -1;
 162
 163    return psc->rendererQuery->queryInteger(psc->driScreen, dri_attribute,
 164                                            value);
 165 }
 166
 167 _X_HIDDEN int
 168 drisw_query_renderer_string(struct glx_screen *base, int attribute,
 169                             const char **value)
 170 {
 171    struct drisw_screen *const psc = (struct drisw_screen *) base;
 172
 173    /* Even though queryString only accepts a subset of the possible GLX
 174     * queries, the higher level GLX code is required to perform the filtering.
 175     * Assume that we got a good value.
 176     */
 177    const int dri_attribute = dri2_convert_glx_query_renderer_attribs(attribute);
 178
 179    if (psc->rendererQuery == NULL)
 180       return -1;
 181
 182    return psc->rendererQuery->queryString(psc->driScreen, dri_attribute, value);
 183 }
 184
 185
 186 #endif /* GLX_DIRECT_RENDERING */