1
2#ifndef INLINE_SW_HELPER_H
3#define INLINE_SW_HELPER_H
4
5#include "pipe/p_compiler.h"
6#include "pipe/p_screen.h"
7#include "util/u_debug.h"
8#include "util/debug.h"
9#include "frontend/sw_winsys.h"
10#include "target-helpers/inline_debug_helper.h"
11
12/* Helper function to choose and instantiate one of the software rasterizers:
13 * llvmpipe, softpipe.
14 */
15
16#ifdef GALLIUM_SOFTPIPE
17#include "softpipe/sp_public.h"
18#endif
19
20#ifdef GALLIUM_LLVMPIPE
21#include "llvmpipe/lp_public.h"
22#endif
23
24#ifdef GALLIUM_VIRGL
25#include "virgl/virgl_public.h"
26#include "virgl/vtest/virgl_vtest_public.h"
27#endif
28
29#ifdef GALLIUM_D3D12
30#include "d3d12/d3d12_public.h"
31#endif
32
33#ifdef GALLIUM_ASAHI
34#include "asahi/agx_public.h"
35#endif
36
37static inline struct pipe_screen *
38sw_screen_create_named(struct sw_winsys *winsys, const char *driver)
39{
40   struct pipe_screen *screen = NULL;
41
42#if defined(GALLIUM_LLVMPIPE)
43   if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
44      screen = llvmpipe_create_screen(winsys);
45#endif
46
47#if defined(GALLIUM_VIRGL)
48   if (screen == NULL && strcmp(driver, "virpipe") == 0) {
49      struct virgl_winsys *vws;
50      vws = virgl_vtest_winsys_wrap(winsys);
51      screen = virgl_create_screen(vws, NULL);
52   }
53#endif
54
55#if defined(GALLIUM_SOFTPIPE)
56   if (screen == NULL && strcmp(driver, "softpipe") == 0)
57      screen = softpipe_create_screen(winsys);
58#endif
59
60#if defined(GALLIUM_ZINK)
61   if (screen == NULL && strcmp(driver, "zink") == 0)
62      screen = zink_create_screen(winsys, NULL);
63#endif
64
65#if defined(GALLIUM_D3D12)
66   if (screen == NULL && strcmp(driver, "d3d12") == 0)
67      screen = d3d12_create_dxcore_screen(winsys, NULL);
68#endif
69
70#if defined(GALLIUM_ASAHI)
71   if (screen == NULL && strcmp(driver, "asahi") == 0)
72      screen = agx_screen_create(winsys);
73#endif
74
75   return screen ? debug_screen_wrap(screen) : NULL;
76}
77
78
79static inline struct pipe_screen *
80sw_screen_create_vk(struct sw_winsys *winsys, bool sw_vk)
81{
82   UNUSED bool only_sw = env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false);
83   const char *drivers[] = {
84      (sw_vk ? "" : debug_get_option("GALLIUM_DRIVER", "")),
85#if defined(GALLIUM_D3D12)
86      (sw_vk || only_sw) ? "" : "d3d12",
87#endif
88#if defined(GALLIUM_ASAHI)
89      (sw_vk || only_sw) ? "" : "asahi",
90#endif
91#if defined(GALLIUM_LLVMPIPE)
92      "llvmpipe",
93#endif
94#if defined(GALLIUM_SOFTPIPE)
95      (sw_vk ? "" : "softpipe"),
96#endif
97   };
98
99   for (unsigned i = 0; i < ARRAY_SIZE(drivers); i++) {
100      struct pipe_screen *screen = sw_screen_create_named(winsys, drivers[i]);
101      if (screen)
102         return screen;
103      /* If the env var is set, don't keep trying things */
104      else if (i == 0 && drivers[i][0] != '\0')
105         return NULL;
106   }
107   return NULL;
108}
109
110static inline struct pipe_screen *
111sw_screen_create_zink(struct sw_winsys *winsys, const struct pipe_screen_config *config, bool whatever)
112{
113#if defined(GALLIUM_ZINK)
114   return zink_create_screen(winsys, config);
115#else
116   return NULL;
117#endif
118}
119
120static inline struct pipe_screen *
121sw_screen_create(struct sw_winsys *winsys)
122{
123   return sw_screen_create_vk(winsys, false);
124}
125#endif
126