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Diffstat (limited to 'libdrm/dri_bufmgr.h')
| -rw-r--r-- | libdrm/dri_bufmgr.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/libdrm/dri_bufmgr.h b/libdrm/dri_bufmgr.h deleted file mode 100644 index 2005bdc6..00000000 --- a/libdrm/dri_bufmgr.h +++ /dev/null @@ -1,178 +0,0 @@ -/************************************************************************** - * - * Copyright © 2007 Intel Corporation - * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA - * 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 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 - * THE COPYRIGHT HOLDERS, AUTHORS 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. - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * - **************************************************************************/ -/* - * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> - * Keith Whitwell <keithw-at-tungstengraphics-dot-com> - * Eric Anholt <eric@anholt.net> - */ - -#ifndef _DRI_BUFMGR_H_ -#define _DRI_BUFMGR_H_ -#include <xf86drm.h> - -typedef struct _dri_bufmgr dri_bufmgr; -typedef struct _dri_bo dri_bo; - -struct _dri_bo { - /** - * Size in bytes of the buffer object. - * - * The size may be larger than the size originally requested for the - * allocation, such as being aligned to page size. - */ - unsigned long size; - /** - * Card virtual address (offset from the beginning of the aperture) for the - * object. Only valid while validated. - */ - unsigned long offset; - /** - * Virtual address for accessing the buffer data. Only valid while mapped. - */ - void *virtual; - /** Buffer manager context associated with this buffer object */ - dri_bufmgr *bufmgr; - /** - * MM-specific handle for accessing object - */ - int handle; -}; - -/** - * Context for a buffer manager instance. - * - * Contains public methods followed by private storage for the buffer manager. - */ -struct _dri_bufmgr { - /** - * Allocate a buffer object. - * - * Buffer objects are not necessarily initially mapped into CPU virtual - * address space or graphics device aperture. They must be mapped using - * bo_map() to be used by the CPU, and validated for use using bo_validate() - * to be used from the graphics device. - */ - dri_bo *(*bo_alloc)(dri_bufmgr *bufmgr_ctx, const char *name, - unsigned long size, unsigned int alignment); - - /** Takes a reference on a buffer object */ - void (*bo_reference)(dri_bo *bo); - - /** - * Releases a reference on a buffer object, freeing the data if - * rerefences remain. - */ - void (*bo_unreference)(dri_bo *bo); - - /** - * Maps the buffer into userspace. - * - * This function will block waiting for any existing execution on the - * buffer to complete, first. The resulting mapping is available at - * buf->virtual. - */ - int (*bo_map)(dri_bo *buf, int write_enable); - - /** Reduces the refcount on the userspace mapping of the buffer object. */ - int (*bo_unmap)(dri_bo *buf); - - /** - * Write data into an object. - * - * This is an optional function, if missing, - * dri_bo will map/memcpy/unmap. - */ - int (*bo_subdata) (dri_bo *buf, unsigned long offset, - unsigned long size, const void *data); - - /** - * Read data from an object - * - * This is an optional function, if missing, - * dri_bo will map/memcpy/unmap. - */ - int (*bo_get_subdata) (dri_bo *bo, unsigned long offset, - unsigned long size, void *data); - - /** - * Waits for rendering to an object by the GPU to have completed. - * - * This is not required for any access to the BO by bo_map, bo_subdata, etc. - * It is merely a way for the driver to implement glFinish. - */ - void (*bo_wait_rendering) (dri_bo *bo); - - /** - * Tears down the buffer manager instance. - */ - void (*destroy)(dri_bufmgr *bufmgr); - - /** - * Processes the relocations, either in userland or by converting the list - * for use in batchbuffer submission. - * - * Kernel-based implementations will return a pointer to the arguments - * to be handed with batchbuffer submission to the kernel. The userland - * implementation performs the buffer validation and emits relocations - * into them the appopriate order. - * - * \param batch_buf buffer at the root of the tree of relocations - * \return argument to be completed and passed to the execbuffers ioctl - * (if any). - */ - void *(*process_relocs)(dri_bo *batch_buf); - - void (*post_submit)(dri_bo *batch_buf); - - int (*check_aperture_space)(dri_bo **bo_array, int count); - int debug; /**< Enables verbose debugging printouts */ -}; - -dri_bo *dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size, - unsigned int alignment); -void dri_bo_reference(dri_bo *bo); -void dri_bo_unreference(dri_bo *bo); -int dri_bo_map(dri_bo *buf, int write_enable); -int dri_bo_unmap(dri_bo *buf); - -int dri_bo_subdata(dri_bo *bo, unsigned long offset, - unsigned long size, const void *data); -int dri_bo_get_subdata(dri_bo *bo, unsigned long offset, - unsigned long size, void *data); -void dri_bo_wait_rendering(dri_bo *bo); - -void dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug); -void dri_bufmgr_destroy(dri_bufmgr *bufmgr); - -void *dri_process_relocs(dri_bo *batch_buf); -void dri_post_process_relocs(dri_bo *batch_buf); -void dri_post_submit(dri_bo *batch_buf); -int dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count); - -#endif |