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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3770 | Serge | 1 | |
| 2 | #define _DRM_DRIVER_H_ |
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| 3 | |||
| 4 | |||
| 5 | |||
| 6 | |||
| 7 | struct pipe_context; |
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| 8 | struct pipe_resource; |
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| 9 | |||
| 10 | |||
| 11 | #define DRM_API_HANDLE_TYPE_KMS 1 |
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| 12 | |||
| 13 | |||
| 14 | * For use with pipe_screen::{texture_from_handle|texture_get_handle}. |
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| 15 | */ |
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| 16 | struct winsys_handle |
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| 17 | { |
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| 18 | /** |
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| 19 | * Unused for texture_from_handle, always |
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| 20 | * DRM_API_HANDLE_TYPE_SHARED. Input to texture_get_handle, |
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| 21 | * use TEXTURE_USAGE to select handle for kms or ipc. |
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| 22 | */ |
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| 23 | unsigned type; |
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| 24 | /** |
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| 25 | * Input to texture_from_handle. |
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| 26 | * Output for texture_get_handle. |
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| 27 | */ |
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| 28 | unsigned handle; |
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| 29 | /** |
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| 30 | * Input to texture_from_handle. |
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| 31 | * Output for texture_get_handle. |
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| 32 | */ |
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| 33 | unsigned stride; |
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| 34 | }; |
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| 35 | |||
| 36 | |||
| 37 | |||
| 38 | |||
| 39 | * Configuration queries. |
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| 40 | */ |
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| 41 | enum drm_conf { |
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| 42 | /* How many frames to allow before throttling. Or -1 to indicate any number */ |
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| 43 | DRM_CONF_THROTTLE, /* DRM_CONF_INT. */ |
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| 44 | DRM_CONF_MAX |
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| 45 | }; |
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| 46 | |||
| 47 | |||
| 48 | * Type of configuration answer |
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| 49 | */ |
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| 50 | enum drm_conf_type { |
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| 51 | DRM_CONF_INT, |
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| 52 | DRM_CONF_BOOL, |
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| 53 | DRM_CONF_FLOAT, |
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| 54 | DRM_CONF_POINTER |
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| 55 | }; |
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| 56 | |||
| 57 | |||
| 58 | * Return value from the configuration function. |
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| 59 | */ |
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| 60 | struct drm_conf_ret { |
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| 61 | enum drm_conf_type type; |
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| 62 | union { |
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| 63 | int val_int; |
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| 64 | bool val_bool; |
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| 65 | float val_float; |
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| 66 | void *val_pointer; |
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| 67 | } val; |
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| 68 | }; |
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| 69 | |||
| 70 | |||
| 71 | { |
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| 72 | /** |
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| 73 | * Identifying sufix/prefix of the binary, used by egl. |
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| 74 | */ |
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| 75 | const char *name; |
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| 76 | |||
| 77 | |||
| 78 | * Kernel driver name, as accepted by drmOpenByName. |
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| 79 | */ |
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| 80 | const char *driver_name; |
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| 81 | |||
| 82 | |||
| 83 | * Create a pipe srcreen. |
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| 84 | * |
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| 85 | * This function does any wrapping of the screen. |
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| 86 | * For example wrapping trace or rbug debugging drivers around it. |
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| 87 | */ |
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| 88 | struct pipe_screen* (*create_screen)(int drm_fd); |
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| 89 | |||
| 90 | |||
| 91 | |||
| 92 | * Return a configuration value. |
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| 93 | * |
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| 94 | * If this function is NULL, or if it returns NULL |
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| 95 | * the state tracker- or state |
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| 96 | * tracker manager should provide a reasonable default value. |
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| 97 | */ |
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| 98 | const struct drm_conf_ret *(*configuration) (enum drm_conf conf); |
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| 99 | }; |
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| 100 | |||
| 101 | |||
| 102 | |||
| 103 | |||
| 104 | * Instantiate a drm_driver_descriptor struct. |
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| 105 | */ |
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| 106 | #define DRM_DRIVER_DESCRIPTOR(name_str, driver_name_str, func, conf) \ |
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| 107 | struct drm_driver_descriptor driver_descriptor = { \ |
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| 108 | .name = name_str, \ |
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| 109 | .driver_name = driver_name_str, \ |
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| 110 | .create_screen = func, \ |
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| 111 | .configuration = (conf), \ |
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| 112 | }; |
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| 113 | |||
| 114 | |||
| 115 |