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4358 | Serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2012 Francisco Jerez |
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4 | * All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | #include "pipe_loader_priv.h" |
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29 | |||
30 | #include "util/u_memory.h" |
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31 | #include "util/u_dl.h" |
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32 | #include "sw/null/null_sw_winsys.h" |
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33 | #include "target-helpers/inline_sw_helper.h" |
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5080 | serge | 34 | //#include "state_tracker/xlib_sw_winsys.h" |
4358 | Serge | 35 | |
36 | struct pipe_loader_sw_device { |
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37 | struct pipe_loader_device base; |
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38 | struct util_dl_library *lib; |
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39 | struct sw_winsys *ws; |
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40 | }; |
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41 | |||
42 | #define pipe_loader_sw_device(dev) ((struct pipe_loader_sw_device *)dev) |
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43 | |||
44 | static struct pipe_loader_ops pipe_loader_sw_ops; |
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45 | |||
46 | static struct sw_winsys *(*backends[])() = { |
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47 | #ifdef HAVE_WINSYS_XLIB |
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48 | x11_sw_create, |
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49 | #endif |
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50 | null_sw_create |
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51 | }; |
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52 | |||
53 | int |
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54 | pipe_loader_sw_probe(struct pipe_loader_device **devs, int ndev) |
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55 | { |
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56 | int i; |
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57 | |||
58 | for (i = 0; i < Elements(backends); i++) { |
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59 | if (i < ndev) { |
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60 | struct pipe_loader_sw_device *sdev = CALLOC_STRUCT(pipe_loader_sw_device); |
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61 | |||
62 | sdev->base.type = PIPE_LOADER_DEVICE_SOFTWARE; |
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63 | sdev->base.driver_name = "swrast"; |
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64 | sdev->base.ops = &pipe_loader_sw_ops; |
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65 | sdev->ws = backends[i](); |
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66 | devs[i] = &sdev->base; |
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67 | } |
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68 | } |
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69 | |||
70 | return i; |
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71 | } |
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72 | |||
73 | static void |
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74 | pipe_loader_sw_release(struct pipe_loader_device **dev) |
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75 | { |
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76 | struct pipe_loader_sw_device *sdev = pipe_loader_sw_device(*dev); |
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77 | |||
78 | if (sdev->lib) |
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79 | util_dl_close(sdev->lib); |
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80 | |||
81 | FREE(sdev); |
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82 | *dev = NULL; |
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83 | } |
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84 | |||
85 | static struct pipe_screen * |
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86 | pipe_loader_sw_create_screen(struct pipe_loader_device *dev, |
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87 | const char *library_paths) |
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88 | { |
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89 | struct pipe_loader_sw_device *sdev = pipe_loader_sw_device(dev); |
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90 | struct pipe_screen *(*init)(struct sw_winsys *); |
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91 | |||
92 | if (!sdev->lib) |
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93 | sdev->lib = pipe_loader_find_module(dev, library_paths); |
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94 | if (!sdev->lib) |
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95 | return NULL; |
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96 | |||
97 | init = (void *)util_dl_get_proc_address(sdev->lib, "swrast_create_screen"); |
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98 | if (!init) |
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99 | return NULL; |
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100 | |||
101 | return init(sdev->ws); |
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102 | } |
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103 | |||
104 | static struct pipe_loader_ops pipe_loader_sw_ops = { |
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105 | .create_screen = pipe_loader_sw_create_screen, |
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106 | .release = pipe_loader_sw_release |
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107 | };>> |