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