1#include "dri_query_renderer.h"
2
3#include "util/u_inlines.h"
4#include "frontend/drm_driver.h"
5
6#include "dri_screen.h"
7#include "dri_query_renderer.h"
8#include "pipe-loader/pipe_loader.h"
9
10/**
11 * Implement queries for values that are common across all Mesa drivers
12 *
13 * Currently only the following queries are supported by this function:
14 *
15 *     - \c __DRI2_RENDERER_VERSION
16 *     - \c __DRI2_RENDERER_PREFERRED_PROFILE
17 *     - \c __DRI2_RENDERER_OPENGL_CORE_PROFILE_VERSION
18 *     - \c __DRI2_RENDERER_OPENGL_COMPATIBLITY_PROFILE_VERSION
19 *     - \c __DRI2_RENDERER_ES_PROFILE_VERSION
20 *     - \c __DRI2_RENDERER_ES2_PROFILE_VERSION
21 *     - \c __DRI2_RENDERER_HAS_NO_ERROR_CONTEXT
22 *
23 * \returns
24 * Zero if a recognized value of \c param is supplied, -1 otherwise.
25 */
26static int
27driQueryRendererIntegerCommon(__DRIscreen *psp, int param, unsigned int *value)
28{
29   switch (param) {
30   case __DRI2_RENDERER_VERSION: {
31      static const char *const ver = PACKAGE_VERSION;
32      char *endptr;
33      int v[3];
34
35      v[0] = strtol(ver, &endptr, 10);
36      assert(endptr[0] == '.');
37      if (endptr[0] != '.')
38         return -1;
39
40      v[1] = strtol(endptr + 1, &endptr, 10);
41      assert(endptr[0] == '.');
42      if (endptr[0] != '.')
43         return -1;
44
45      v[2] = strtol(endptr + 1, &endptr, 10);
46
47      value[0] = v[0];
48      value[1] = v[1];
49      value[2] = v[2];
50      return 0;
51   }
52   case __DRI2_RENDERER_PREFERRED_PROFILE:
53      value[0] = (psp->max_gl_core_version != 0)
54         ? (1U << __DRI_API_OPENGL_CORE) : (1U << __DRI_API_OPENGL);
55      return 0;
56   case __DRI2_RENDERER_OPENGL_CORE_PROFILE_VERSION:
57      value[0] = psp->max_gl_core_version / 10;
58      value[1] = psp->max_gl_core_version % 10;
59      return 0;
60   case __DRI2_RENDERER_OPENGL_COMPATIBILITY_PROFILE_VERSION:
61      value[0] = psp->max_gl_compat_version / 10;
62      value[1] = psp->max_gl_compat_version % 10;
63      return 0;
64   case __DRI2_RENDERER_OPENGL_ES_PROFILE_VERSION:
65      value[0] = psp->max_gl_es1_version / 10;
66      value[1] = psp->max_gl_es1_version % 10;
67      return 0;
68   case __DRI2_RENDERER_OPENGL_ES2_PROFILE_VERSION:
69      value[0] = psp->max_gl_es2_version / 10;
70      value[1] = psp->max_gl_es2_version % 10;
71      return 0;
72   case __DRI2_RENDERER_HAS_NO_ERROR_CONTEXT:
73      value[0] = GL_TRUE;
74      return 0;
75   default:
76      break;
77   }
78
79   return -1;
80}
81
82static int
83dri2_query_renderer_integer(__DRIscreen *_screen, int param,
84                            unsigned int *value)
85{
86   struct dri_screen *screen = dri_screen(_screen);
87
88   switch (param) {
89   case __DRI2_RENDERER_VENDOR_ID:
90      value[0] =
91         (unsigned int)screen->base.screen->get_param(screen->base.screen,
92                                                      PIPE_CAP_VENDOR_ID);
93      return 0;
94   case __DRI2_RENDERER_DEVICE_ID:
95      value[0] =
96         (unsigned int)screen->base.screen->get_param(screen->base.screen,
97                                                      PIPE_CAP_DEVICE_ID);
98      return 0;
99   case __DRI2_RENDERER_ACCELERATED:
100      value[0] =
101         (unsigned int)!!screen->base.screen->get_param(screen->base.screen,
102                                                        PIPE_CAP_ACCELERATED);
103      return 0;
104
105   case __DRI2_RENDERER_VIDEO_MEMORY: {
106      int ov = driQueryOptioni(&screen->dev->option_cache, "override_vram_size");
107      value[0] =
108         (unsigned int)screen->base.screen->get_param(screen->base.screen,
109                                                      PIPE_CAP_VIDEO_MEMORY);
110      if (ov >= 0)
111         value[0] = MIN2(ov, value[0]);
112      return 0;
113   }
114
115   case __DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE:
116      value[0] =
117         (unsigned int)screen->base.screen->get_param(screen->base.screen,
118                                                      PIPE_CAP_UMA);
119      return 0;
120
121   case __DRI2_RENDERER_HAS_TEXTURE_3D:
122      value[0] =
123         screen->base.screen->get_param(screen->base.screen,
124                                        PIPE_CAP_MAX_TEXTURE_3D_LEVELS) != 0;
125      return 0;
126
127   case __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB:
128      value[0] =
129         screen->base.screen->is_format_supported(screen->base.screen,
130                                                  PIPE_FORMAT_B8G8R8A8_SRGB,
131                                                  PIPE_TEXTURE_2D, 0, 0,
132                                                  PIPE_BIND_RENDER_TARGET);
133      return 0;
134   case __DRI2_RENDERER_HAS_CONTEXT_PRIORITY:
135      value[0] =
136         screen->base.screen->get_param(screen->base.screen,
137                                        PIPE_CAP_CONTEXT_PRIORITY_MASK);
138      if (!value[0])
139         return -1;
140      return 0;
141   case __DRI2_RENDERER_HAS_PROTECTED_CONTENT:
142      value[0] =
143         screen->base.screen->get_param(screen->base.screen,
144                                        PIPE_CAP_DEVICE_PROTECTED_CONTENT);
145      if (!value[0])
146         return -1;
147      return 0;
148   case __DRI2_RENDERER_PREFER_BACK_BUFFER_REUSE:
149      value[0] =
150         screen->base.screen->get_param(screen->base.screen,
151                                        PIPE_CAP_PREFER_BACK_BUFFER_REUSE);
152      return 0;
153   default:
154      return driQueryRendererIntegerCommon(_screen, param, value);
155   }
156}
157
158static int
159dri2_query_renderer_string(__DRIscreen *_screen, int param,
160                           const char **value)
161{
162   struct dri_screen *screen = dri_screen(_screen);
163
164   switch (param) {
165   case __DRI2_RENDERER_VENDOR_ID:
166      value[0] = screen->base.screen->get_vendor(screen->base.screen);
167      return 0;
168   case __DRI2_RENDERER_DEVICE_ID:
169      value[0] = screen->base.screen->get_name(screen->base.screen);
170      return 0;
171   default:
172      return -1;
173   }
174}
175
176const __DRI2rendererQueryExtension dri2RendererQueryExtension = {
177    .base = { __DRI2_RENDERER_QUERY, 1 },
178
179    .queryInteger         = dri2_query_renderer_integer,
180    .queryString          = dri2_query_renderer_string
181};
182