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5362 | serge | 1 | /* |
2 | * Copyright (c) 2012 Intel Corporation. All Rights Reserved. |
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3 | * |
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4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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5 | * copy of this software and associated documentation files (the |
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6 | * "Software"), to deal in the Software without restriction, including |
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7 | * without limitation the rights to use, copy, modify, merge, publish, |
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8 | * distribute, sub license, and/or sell copies of the Software, and to |
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9 | * permit persons to whom the Software is furnished to do so, subject to |
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10 | * the following conditions: |
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11 | * |
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12 | * The above copyright notice and this permission notice (including the |
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13 | * next paragraph) shall be included in all copies or substantial portions |
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14 | * of the Software. |
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15 | * |
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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17 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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19 | * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
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20 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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21 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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22 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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23 | */ |
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24 | |||
25 | #include "sysdeps.h" |
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26 | #include |
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27 | #include "va_drm.h" |
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28 | #include "va_backend.h" |
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29 | #include "va_drmcommon.h" |
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30 | #include "va_drm_auth.h" |
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31 | #include "va_drm_utils.h" |
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32 | |||
33 | static int |
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34 | va_DisplayContextIsValid(VADisplayContextP pDisplayContext) |
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35 | { |
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36 | VADriverContextP const pDriverContext = pDisplayContext->pDriverContext; |
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37 | |||
38 | return (pDriverContext && |
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39 | ((pDriverContext->display_type & VA_DISPLAY_MAJOR_MASK) == |
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40 | VA_DISPLAY_DRM)); |
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41 | } |
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42 | |||
43 | static void |
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44 | va_DisplayContextDestroy(VADisplayContextP pDisplayContext) |
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45 | { |
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46 | if (!pDisplayContext) |
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47 | return; |
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48 | |||
49 | free(pDisplayContext->pDriverContext->drm_state); |
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50 | free(pDisplayContext->pDriverContext); |
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51 | free(pDisplayContext); |
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52 | } |
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53 | |||
54 | static VAStatus |
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55 | va_DisplayContextGetDriverName( |
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56 | VADisplayContextP pDisplayContext, |
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57 | char **driver_name_ptr |
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58 | ) |
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59 | { |
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60 | VADriverContextP const ctx = pDisplayContext->pDriverContext; |
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61 | struct drm_state * const drm_state = ctx->drm_state; |
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62 | VAStatus status; |
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63 | |||
64 | status = VA_DRM_GetDriverName(ctx, driver_name_ptr); |
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65 | if (status != VA_STATUS_SUCCESS) |
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66 | return status; |
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67 | |||
68 | drm_state->auth_type = VA_DRM_AUTH_CUSTOM; |
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69 | |||
70 | return VA_STATUS_SUCCESS; |
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71 | } |
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72 | |||
73 | VADisplay |
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74 | vaGetDisplayDRM(int fd) |
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75 | { |
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76 | VADisplayContextP pDisplayContext = NULL; |
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77 | VADriverContextP pDriverContext = NULL; |
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78 | struct drm_state *drm_state = NULL; |
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79 | |||
80 | if (fd == 0) |
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81 | return NULL; |
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82 | |||
83 | /* Create new entry */ |
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84 | /* XXX: handle cache? */ |
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85 | drm_state = calloc(1, sizeof(*drm_state)); |
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86 | if (!drm_state) |
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87 | goto error; |
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88 | drm_state->fd = fd; |
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89 | |||
90 | pDriverContext = calloc(1, sizeof(*pDriverContext)); |
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91 | if (!pDriverContext) |
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92 | goto error; |
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93 | pDriverContext->native_dpy = NULL; |
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94 | pDriverContext->display_type = VA_DISPLAY_DRM; |
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95 | pDriverContext->drm_state = drm_state; |
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96 | |||
97 | pDisplayContext = calloc(1, sizeof(*pDisplayContext)); |
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98 | if (!pDisplayContext) |
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99 | goto error; |
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100 | |||
101 | pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC; |
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102 | pDisplayContext->pDriverContext = pDriverContext; |
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103 | pDisplayContext->vaIsValid = va_DisplayContextIsValid; |
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104 | pDisplayContext->vaDestroy = va_DisplayContextDestroy; |
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105 | pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName; |
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106 | return pDisplayContext; |
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107 | |||
108 | error: |
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109 | free(pDisplayContext); |
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110 | free(pDriverContext); |
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111 | free(drm_state); |
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112 | return NULL; |
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113 | } |