diff options
Diffstat (limited to 'src/gallium/include/state_tracker')
| -rw-r--r-- | src/gallium/include/state_tracker/drm_api.h | 57 | ||||
| -rw-r--r-- | src/gallium/include/state_tracker/sw_winsys.h | 124 | ||||
| -rw-r--r-- | src/gallium/include/state_tracker/xlib_sw_winsys.h | 29 |
3 files changed, 182 insertions, 28 deletions
diff --git a/src/gallium/include/state_tracker/drm_api.h b/src/gallium/include/state_tracker/drm_api.h index e9fa9b4d2a..fe7ef253ef 100644 --- a/src/gallium/include/state_tracker/drm_api.h +++ b/src/gallium/include/state_tracker/drm_api.h @@ -17,6 +17,32 @@ enum drm_create_screen_mode { DRM_CREATE_MAX }; +#define DRM_API_HANDLE_TYPE_SHARED 0 +#define DRM_API_HANDLE_TYPE_KMS 1 + +/** + * For use with pipe_screen::{texture_from_handle|texture_get_handle}. + */ +struct winsys_handle +{ + /** + * Unused for texture_from_handle, always + * DRM_API_HANDLE_TYPE_SHARED. Input to texture_get_handle, + * use TEXTURE_USAGE to select handle for kms or ipc. + */ + unsigned type; + /** + * Input to texture_from_handle. + * Output for texture_get_handle. + */ + unsigned handle; + /** + * Input to texture_from_handle. + * Output for texture_get_handle. + */ + unsigned stride; +}; + /** * Modes other than DRM_CREATE_NORMAL derive from this struct. */ @@ -28,6 +54,8 @@ struct drm_create_screen_arg { struct drm_api { + void (*destroy)(struct drm_api *api); + const char *name; /** @@ -36,37 +64,10 @@ struct drm_api const char *driver_name; /** - * Special buffer functions + * Create a pipe srcreen. */ - /*@{*/ struct pipe_screen* (*create_screen)(struct drm_api *api, int drm_fd, struct drm_create_screen_arg *arg); - /*@}*/ - - /** - * Special buffer functions - */ - /*@{*/ - struct pipe_texture* - (*texture_from_shared_handle)(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *templ, - const char *name, - unsigned stride, - unsigned handle); - boolean (*shared_handle_from_texture)(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *stride, - unsigned *handle); - boolean (*local_handle_from_texture)(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *stride, - unsigned *handle); - /*@}*/ - - void (*destroy)(struct drm_api *api); }; extern struct drm_api * drm_api_create(void); diff --git a/src/gallium/include/state_tracker/sw_winsys.h b/src/gallium/include/state_tracker/sw_winsys.h new file mode 100644 index 0000000000..0de98bbc1c --- /dev/null +++ b/src/gallium/include/state_tracker/sw_winsys.h @@ -0,0 +1,124 @@ +/************************************************************************** + * + * Copyright 2007-2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * @file + * Software rasterizer winsys. + */ + + +#ifndef SW_WINSYS_H +#define SW_WINSYS_H + + +#include "pipe/p_compiler.h" /* for boolean */ +#include "pipe/p_format.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +struct pipe_screen; +struct pipe_context; + + +/** + * Opaque pointer. + */ +struct sw_displaytarget; + + +/** + * This is the interface that sw expects any window system + * hosting it to implement. + * + * sw is for the most part a self sufficient driver. The only thing it + * does not know is how to display a surface. + */ +struct sw_winsys +{ + void + (*destroy)( struct sw_winsys *ws ); + + boolean + (*is_displaytarget_format_supported)( struct sw_winsys *ws, + enum pipe_format format ); + + /** + * Allocate storage for a render target. + * + * Often surfaces which are meant to be blitted to the front screen (i.e., + * display targets) must be allocated with special characteristics, memory + * pools, or obtained directly from the windowing system. + * + * This callback is invoked by the pipe_screen when creating a texture marked + * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag to get the underlying + * storage. + */ + struct sw_displaytarget * + (*displaytarget_create)( struct sw_winsys *ws, + enum pipe_format format, + unsigned width, unsigned height, + unsigned alignment, + unsigned *stride ); + + /** + * \param flags bitmask of PIPE_BUFFER_USAGE_x flags + */ + void * + (*displaytarget_map)( struct sw_winsys *ws, + struct sw_displaytarget *dt, + unsigned flags ); + + void + (*displaytarget_unmap)( struct sw_winsys *ws, + struct sw_displaytarget *dt ); + + /** + * @sa pipe_screen:flush_frontbuffer. + * + * This call will likely become asynchronous eventually. + */ + void + (*displaytarget_display)( struct sw_winsys *ws, + struct sw_displaytarget *dt, + void *context_private ); + + void + (*displaytarget_destroy)( struct sw_winsys *ws, + struct sw_displaytarget *dt ); +}; + + + +#ifdef __cplusplus +} +#endif + +#endif /* SW_WINSYS_H */ diff --git a/src/gallium/include/state_tracker/xlib_sw_winsys.h b/src/gallium/include/state_tracker/xlib_sw_winsys.h new file mode 100644 index 0000000000..f22c22bb62 --- /dev/null +++ b/src/gallium/include/state_tracker/xlib_sw_winsys.h @@ -0,0 +1,29 @@ +#ifndef XLIB_SW_WINSYS_H +#define XLIB_SW_WINSYS_H + +#include "state_tracker/sw_winsys.h" +#include <X11/Xlib.h> + + +struct pipe_screen; +struct pipe_surface; + +/* This is what the xlib software winsys expects to find in the + * "private" field of flush_frontbuffers(). + * + * Xlib-based state trackers somehow need to know this. + */ +struct xlib_drawable { + Visual *visual; + int depth; + Drawable drawable; +}; + + +/* This is the public interface to the ws/xlib module. Why isn't it + * being defined in that directory? + */ +struct sw_winsys *xlib_create_sw_winsys( Display *display ); + + +#endif |