mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-17 20:32:35 +03:00
228 lines
7.5 KiB
C
228 lines
7.5 KiB
C
/**************************************************************************
|
|
*
|
|
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
|
|
* 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
|
|
*
|
|
* Screen, Adapter or GPU
|
|
*
|
|
* These are driver functions/facilities that are context independent.
|
|
*/
|
|
|
|
|
|
#ifndef P_SCREEN_H
|
|
#define P_SCREEN_H
|
|
|
|
|
|
#include "pipe/p_compiler.h"
|
|
#include "pipe/p_format.h"
|
|
#include "pipe/p_defines.h"
|
|
#include "pipe/p_video_enums.h"
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
/** Opaque types */
|
|
struct winsys_handle;
|
|
struct pipe_fence_handle;
|
|
struct pipe_resource;
|
|
struct pipe_surface;
|
|
struct pipe_transfer;
|
|
|
|
|
|
/**
|
|
* Gallium screen/adapter context. Basically everything
|
|
* hardware-specific that doesn't actually require a rendering
|
|
* context.
|
|
*/
|
|
struct pipe_screen {
|
|
void (*destroy)( struct pipe_screen * );
|
|
|
|
const char *(*get_name)( struct pipe_screen * );
|
|
|
|
const char *(*get_vendor)( struct pipe_screen * );
|
|
|
|
/**
|
|
* Query an integer-valued capability/parameter/limit
|
|
* \param param one of PIPE_CAP_x
|
|
*/
|
|
int (*get_param)( struct pipe_screen *, enum pipe_cap param );
|
|
|
|
/**
|
|
* Query a float-valued capability/parameter/limit
|
|
* \param param one of PIPE_CAP_x
|
|
*/
|
|
float (*get_paramf)( struct pipe_screen *, enum pipe_capf param );
|
|
|
|
/**
|
|
* Query a per-shader-stage integer-valued capability/parameter/limit
|
|
* \param param one of PIPE_CAP_x
|
|
*/
|
|
int (*get_shader_param)( struct pipe_screen *, unsigned shader, enum pipe_shader_cap param );
|
|
|
|
/**
|
|
* Query an integer-valued capability/parameter/limit for a codec/profile
|
|
* \param param one of PIPE_VIDEO_CAP_x
|
|
*/
|
|
int (*get_video_param)( struct pipe_screen *,
|
|
enum pipe_video_profile profile,
|
|
enum pipe_video_cap param );
|
|
|
|
/**
|
|
* Query a compute-specific capability/parameter/limit.
|
|
* \param param one of PIPE_COMPUTE_CAP_x
|
|
* \param ret pointer to a preallocated buffer that will be
|
|
* initialized to the parameter value, or NULL.
|
|
* \return size in bytes of the parameter value that would be
|
|
* returned.
|
|
*/
|
|
int (*get_compute_param)(struct pipe_screen *,
|
|
enum pipe_compute_cap param,
|
|
void *ret);
|
|
|
|
/**
|
|
* Query a timestamp in nanoseconds. The returned value should match
|
|
* PIPE_QUERY_TIMESTAMP. This function returns immediately and doesn't
|
|
* wait for rendering to complete (which cannot be achieved with queries).
|
|
*/
|
|
uint64_t (*get_timestamp)(struct pipe_screen *);
|
|
|
|
struct pipe_context * (*context_create)( struct pipe_screen *,
|
|
void *priv );
|
|
|
|
/**
|
|
* Check if the given pipe_format is supported as a texture or
|
|
* drawing surface.
|
|
* \param bindings bitmask of PIPE_BIND_*
|
|
*/
|
|
boolean (*is_format_supported)( struct pipe_screen *,
|
|
enum pipe_format format,
|
|
enum pipe_texture_target target,
|
|
unsigned sample_count,
|
|
unsigned bindings );
|
|
|
|
/**
|
|
* Check if the given pipe_format is supported as output for this codec/profile.
|
|
* \param profile profile to check, may also be PIPE_VIDEO_PROFILE_UNKNOWN
|
|
*/
|
|
boolean (*is_video_format_supported)( struct pipe_screen *,
|
|
enum pipe_format format,
|
|
enum pipe_video_profile profile );
|
|
|
|
/**
|
|
* Check if we can actually create the given resource (test the dimension,
|
|
* overall size, etc). Used to implement proxy textures.
|
|
* \return TRUE if size is OK, FALSE if too large.
|
|
*/
|
|
boolean (*can_create_resource)(struct pipe_screen *screen,
|
|
const struct pipe_resource *templat);
|
|
|
|
/**
|
|
* Create a new texture object, using the given template info.
|
|
*/
|
|
struct pipe_resource * (*resource_create)(struct pipe_screen *,
|
|
const struct pipe_resource *templat);
|
|
|
|
/**
|
|
* Create a texture from a winsys_handle. The handle is often created in
|
|
* another process by first creating a pipe texture and then calling
|
|
* resource_get_handle.
|
|
*/
|
|
struct pipe_resource * (*resource_from_handle)(struct pipe_screen *,
|
|
const struct pipe_resource *templat,
|
|
struct winsys_handle *handle);
|
|
|
|
/**
|
|
* Get a winsys_handle from a texture. Some platforms/winsys requires
|
|
* that the texture is created with a special usage flag like
|
|
* DISPLAYTARGET or PRIMARY.
|
|
*/
|
|
boolean (*resource_get_handle)(struct pipe_screen *,
|
|
struct pipe_resource *tex,
|
|
struct winsys_handle *handle);
|
|
|
|
|
|
void (*resource_destroy)(struct pipe_screen *,
|
|
struct pipe_resource *pt);
|
|
|
|
|
|
/**
|
|
* Do any special operations to ensure frontbuffer contents are
|
|
* displayed, eg copy fake frontbuffer.
|
|
* \param winsys_drawable_handle an opaque handle that the calling context
|
|
* gets out-of-band
|
|
*/
|
|
void (*flush_frontbuffer)( struct pipe_screen *screen,
|
|
struct pipe_resource *resource,
|
|
unsigned level, unsigned layer,
|
|
void *winsys_drawable_handle );
|
|
|
|
|
|
|
|
/** Set ptr = fence, with reference counting */
|
|
void (*fence_reference)( struct pipe_screen *screen,
|
|
struct pipe_fence_handle **ptr,
|
|
struct pipe_fence_handle *fence );
|
|
|
|
/**
|
|
* Checks whether the fence has been signalled.
|
|
*/
|
|
boolean (*fence_signalled)( struct pipe_screen *screen,
|
|
struct pipe_fence_handle *fence );
|
|
|
|
/**
|
|
* Wait for the fence to finish.
|
|
* \param timeout in nanoseconds (may be PIPE_TIMEOUT_INFINITE).
|
|
*/
|
|
boolean (*fence_finish)( struct pipe_screen *screen,
|
|
struct pipe_fence_handle *fence,
|
|
uint64_t timeout );
|
|
|
|
/**
|
|
* Returns a driver-specific query.
|
|
*
|
|
* If \p info is NULL, the number of available queries is returned.
|
|
* Otherwise, the driver query at the specified \p index is returned
|
|
* in \p info. The function returns non-zero on success.
|
|
*/
|
|
int (*get_driver_query_info)(struct pipe_screen *screen,
|
|
unsigned index,
|
|
struct pipe_driver_query_info *info);
|
|
|
|
};
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* P_SCREEN_H */
|