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1e5014f7df
Most use cases just got the buffer from the texture and then called into one of the get_handle functions. Also with this patch it would be easier to move to a generic function for getting handles from textures and textures from handles, that is exposed via the screen.
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
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#ifndef _DRM_API_H_
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#define _DRM_API_H_
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#include "pipe/p_compiler.h"
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struct pipe_screen;
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struct pipe_winsys;
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struct pipe_buffer;
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struct pipe_context;
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struct pipe_texture;
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enum drm_create_screen_mode {
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DRM_CREATE_NORMAL = 0,
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DRM_CREATE_DRI1,
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DRM_CREATE_DRIVER = 1024,
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DRM_CREATE_MAX
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};
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/**
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* Modes other than DRM_CREATE_NORMAL derive from this struct.
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*/
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/*@{*/
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struct drm_create_screen_arg {
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enum drm_create_screen_mode mode;
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};
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/*@}*/
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struct drm_api
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{
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/**
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* Special buffer functions
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*/
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/*@{*/
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struct pipe_screen* (*create_screen)(struct drm_api *api, int drm_fd,
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struct drm_create_screen_arg *arg);
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struct pipe_context* (*create_context)(struct drm_api *api,
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struct pipe_screen *screen);
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/*@}*/
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/**
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* Special buffer functions
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*/
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/*@{*/
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struct pipe_texture*
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(*texture_from_shared_handle)(struct drm_api *api,
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struct pipe_screen *screen,
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struct pipe_texture *templ,
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const char *name,
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unsigned stride,
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unsigned handle);
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boolean (*shared_handle_from_texture)(struct drm_api *api,
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struct pipe_screen *screen,
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struct pipe_texture *texture,
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unsigned *stride,
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unsigned *handle);
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boolean (*local_handle_from_texture)(struct drm_api *api,
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struct pipe_screen *screen,
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struct pipe_texture *texture,
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unsigned *stride,
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unsigned *handle);
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/*@}*/
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void (*destroy)(struct drm_api *api);
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};
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extern struct drm_api * drm_api_create(void);
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#endif
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