1
2#ifndef INLINE_SW_HELPER_H
3#define INLINE_SW_HELPER_H
4
5#include "pipe/p_compiler.h"
6#include "util/u_debug.h"
7#include "util/debug.h"
8#include "frontend/sw_winsys.h"
9#include "target-helpers/inline_debug_helper.h"
10
11#ifdef GALLIUM_SWR
12#include "swr/swr_public.h"
13#endif
14
15/* Helper function to choose and instantiate one of the software rasterizers:
16 * llvmpipe, softpipe.
17 */
18
19#ifdef GALLIUM_SOFTPIPE
20#include "softpipe/sp_public.h"
21#endif
22
23#ifdef GALLIUM_LLVMPIPE
24#include "llvmpipe/lp_public.h"
25#endif
26
27#ifdef GALLIUM_VIRGL
28#include "virgl/virgl_public.h"
29#include "virgl/vtest/virgl_vtest_public.h"
30#endif
31
32#ifdef GALLIUM_D3D12
33#include "d3d12/d3d12_public.h"
34#endif
35
36#ifdef GALLIUM_ASAHI
37#include "asahi/agx_public.h"
38#endif
39
40static inline struct pipe_screen *
41sw_screen_create_named(struct sw_winsys *winsys, const char *driver)
42{
43   struct pipe_screen *screen = NULL;
44
45#if defined(GALLIUM_LLVMPIPE)
46   if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
47      screen = llvmpipe_create_screen(winsys);
48#endif
49
50#if defined(GALLIUM_VIRGL)
51   if (screen == NULL && strcmp(driver, "virpipe") == 0) {
52      struct virgl_winsys *vws;
53      vws = virgl_vtest_winsys_wrap(winsys);
54      screen = virgl_create_screen(vws, NULL);
55   }
56#endif
57
58#if defined(GALLIUM_SOFTPIPE)
59   if (screen == NULL && strcmp(driver, "softpipe") == 0)
60      screen = softpipe_create_screen(winsys);
61#endif
62
63#if defined(GALLIUM_SWR)
64   if (screen == NULL && strcmp(driver, "swr") == 0)
65      screen = swr_create_screen(winsys);
66#endif
67
68#if defined(GALLIUM_ZINK)
69   if (screen == NULL && strcmp(driver, "zink") == 0)
70      screen = zink_create_screen(winsys);
71#endif
72
73#if defined(GALLIUM_D3D12)
74   if (screen == NULL && strcmp(driver, "d3d12") == 0)
75      screen = d3d12_create_dxcore_screen(winsys, NULL);
76#endif
77
78#if defined(GALLIUM_ASAHI)
79   if (screen == NULL && strcmp(driver, "asahi") == 0)
80      screen = agx_screen_create(winsys);
81#endif
82
83   return screen ? debug_screen_wrap(screen) : NULL;
84}
85
86
87static inline struct pipe_screen *
88sw_screen_create_vk(struct sw_winsys *winsys, bool sw_vk)
89{
90   UNUSED bool only_sw = env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false);
91   const char *drivers[] = {
92      (sw_vk ? "" : debug_get_option("GALLIUM_DRIVER", "")),
93#if defined(GALLIUM_D3D12)
94      (sw_vk || only_sw) ? "" : "d3d12",
95#endif
96#if defined(GALLIUM_ASAHI)
97      (sw_vk || only_sw) ? "" : "asahi",
98#endif
99#if defined(GALLIUM_LLVMPIPE)
100      "llvmpipe",
101#endif
102#if defined(GALLIUM_SOFTPIPE)
103      (sw_vk ? "" : "softpipe"),
104#endif
105#if defined(GALLIUM_SWR)
106      (sw_vk ? "" : "swr"),
107#endif
108#if defined(GALLIUM_ZINK)
109      (sw_vk || only_sw) ? "" : "zink",
110#endif
111   };
112
113   for (unsigned i = 0; i < ARRAY_SIZE(drivers); i++) {
114      struct pipe_screen *screen = sw_screen_create_named(winsys, drivers[i]);
115      if (screen)
116         return screen;
117      /* If the env var is set, don't keep trying things */
118      else if (i == 0 && drivers[i][0] != '\0')
119         return NULL;
120   }
121   return NULL;
122}
123
124static inline struct pipe_screen *
125sw_screen_create(struct sw_winsys *winsys)
126{
127   return sw_screen_create_vk(winsys, false);
128}
129#endif
130