54ef134d1f
are to some assertions and a small change to modesetting code). bump libdrm_intel minor due to added symbols, libdrm doesn't get bumped, no change to symbol list. ok matthieu@.
186 lines
6.3 KiB
C
186 lines
6.3 KiB
C
/*
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* Copyright © 2008 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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/**
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* @file intel_bufmgr_priv.h
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*
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* Private definitions of Intel-specific bufmgr functions and structures.
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*/
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#ifndef INTEL_BUFMGR_PRIV_H
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#define INTEL_BUFMGR_PRIV_H
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/**
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* Context for a buffer manager instance.
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*
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* Contains public methods followed by private storage for the buffer manager.
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*/
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struct _drm_intel_bufmgr {
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/**
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* Allocate a buffer object.
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*
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* Buffer objects are not necessarily initially mapped into CPU virtual
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* address space or graphics device aperture. They must be mapped using
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* bo_map() to be used by the CPU, and validated for use using bo_validate()
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* to be used from the graphics device.
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*/
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drm_intel_bo *(*bo_alloc)(drm_intel_bufmgr *bufmgr, const char *name,
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unsigned long size, unsigned int alignment);
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/**
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* Allocate a buffer object, hinting that it will be used as a render target.
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*
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* This is otherwise the same as bo_alloc.
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*/
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drm_intel_bo *(*bo_alloc_for_render)(drm_intel_bufmgr *bufmgr,
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const char *name,
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unsigned long size,
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unsigned int alignment);
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/** Takes a reference on a buffer object */
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void (*bo_reference)(drm_intel_bo *bo);
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/**
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* Releases a reference on a buffer object, freeing the data if
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* rerefences remain.
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*/
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void (*bo_unreference)(drm_intel_bo *bo);
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/**
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* Maps the buffer into userspace.
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*
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* This function will block waiting for any existing execution on the
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* buffer to complete, first. The resulting mapping is available at
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* buf->virtual.
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*/
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int (*bo_map)(drm_intel_bo *bo, int write_enable);
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/** Reduces the refcount on the userspace mapping of the buffer object. */
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int (*bo_unmap)(drm_intel_bo *bo);
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/**
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* Write data into an object.
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*
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* This is an optional function, if missing,
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* drm_intel_bo will map/memcpy/unmap.
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*/
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int (*bo_subdata)(drm_intel_bo *bo, unsigned long offset,
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unsigned long size, const void *data);
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/**
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* Read data from an object
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*
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* This is an optional function, if missing,
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* drm_intel_bo will map/memcpy/unmap.
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*/
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int (*bo_get_subdata)(drm_intel_bo *bo, unsigned long offset,
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unsigned long size, void *data);
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/**
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* Waits for rendering to an object by the GPU to have completed.
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*
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* This is not required for any access to the BO by bo_map, bo_subdata, etc.
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* It is merely a way for the driver to implement glFinish.
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*/
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void (*bo_wait_rendering)(drm_intel_bo *bo);
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/**
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* Tears down the buffer manager instance.
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*/
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void (*destroy)(drm_intel_bufmgr *bufmgr);
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/**
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* Add relocation entry in reloc_buf, which will be updated with the
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* target buffer's real offset on on command submission.
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*
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* Relocations remain in place for the lifetime of the buffer object.
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*
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* \param bo Buffer to write the relocation into.
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* \param offset Byte offset within reloc_bo of the pointer to target_bo.
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* \param target_bo Buffer whose offset should be written into the
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* relocation entry.
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* \param target_offset Constant value to be added to target_bo's offset in
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* relocation entry.
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* \param read_domains GEM read domains which the buffer will be read into
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* by the command that this relocation is part of.
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* \param write_domains GEM read domains which the buffer will be dirtied
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* in by the command that this relocation is part of.
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*/
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int (*bo_emit_reloc)(drm_intel_bo *bo, uint32_t offset,
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drm_intel_bo *target_bo, uint32_t target_offset,
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uint32_t read_domains, uint32_t write_domain);
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/** Executes the command buffer pointed to by bo. */
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int (*bo_exec)(drm_intel_bo *bo, int used,
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drm_clip_rect_t *cliprects, int num_cliprects,
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int DR4);
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/**
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* Pin a buffer to the aperture and fix the offset until unpinned
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*
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* \param buf Buffer to pin
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* \param alignment Required alignment for aperture, in bytes
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*/
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int (*bo_pin)(drm_intel_bo *bo, uint32_t alignment);
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/**
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* Unpin a buffer from the aperture, allowing it to be removed
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*
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* \param buf Buffer to unpin
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*/
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int (*bo_unpin)(drm_intel_bo *bo);
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/**
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* Ask that the buffer be placed in tiling mode
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*
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* \param buf Buffer to set tiling mode for
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* \param tiling_mode desired, and returned tiling mode
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*/
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int (*bo_set_tiling)(drm_intel_bo *bo, uint32_t *tiling_mode,
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uint32_t stride);
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/**
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* Get the current tiling (and resulting swizzling) mode for the bo.
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*
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* \param buf Buffer to get tiling mode for
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* \param tiling_mode returned tiling mode
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* \param swizzle_mode returned swizzling mode
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*/
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int (*bo_get_tiling)(drm_intel_bo *bo, uint32_t *tiling_mode,
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uint32_t *swizzle_mode);
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/**
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* Create a visible name for a buffer which can be used by other apps
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*
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* \param buf Buffer to create a name for
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* \param name Returned name
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*/
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int (*bo_flink)(drm_intel_bo *bo, uint32_t *name);
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int (*check_aperture_space)(drm_intel_bo **bo_array, int count);
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int debug; /**< Enables verbose debugging printouts */
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};
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#endif /* INTEL_BUFMGR_PRIV_H */
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