libdrm_la_LDFLAGS = -version-number 2:3:0 -no-undefined
AM_CFLAGS = -I$(top_srcdir)/shared-core
-libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c \
- dri_bufmgr.c libdrm_lists.h
-libdrm_la_LIBADD = intel/libdrm_intel.la
+libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c
+ libdrm_lists.h
libdrmincludedir = ${includedir}
-libdrminclude_HEADERS = xf86drm.h dri_bufmgr.h
+libdrminclude_HEADERS = xf86drm.h
EXTRA_DIST = ChangeLog TODO
+++ /dev/null
-/**************************************************************************
- *
- * 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;
-};
-
-/**
- * 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
AM_CFLAGS = \
$(WARN_CFLAGS) \
-I$(top_srcdir)/libdrm \
+ -I$(top_srcdir)/libdrm/intel \
-I$(top_srcdir)/shared-core
-noinst_LTLIBRARIES = libdrm_intel.la
+libdrm_intel_la_LTLIBRARIES = libdrm_intel.la
+libdrm_intel_ladir = $(libdir)
+libdrm_intel_la_LDFLAGS = -version-number 1:0:0 -no-undefined
libdrm_intel_la_SOURCES = \
+ intel_bufmgr.c \
+ intel_bufmgr_priv.h \
intel_bufmgr_fake.c \
intel_bufmgr_gem.c \
mm.c \
#include <string.h>
#include <stdlib.h>
+#include <stdint.h>
#include <assert.h>
-#include "dri_bufmgr.h"
+#include <errno.h>
+#include <drm.h>
+#include <i915_drm.h>
+#include "intel_bufmgr.h"
+#include "intel_bufmgr_priv.h"
/** @file dri_bufmgr.c
*
{
return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
}
+
+int
+dri_bo_flink(dri_bo *bo, uint32_t *name)
+{
+ if (bo->bufmgr->bo_flink)
+ return bo->bufmgr->bo_flink(bo, name);
+
+ return -ENODEV;
+}
+
+int
+dri_bo_emit_reloc(dri_bo *reloc_buf,
+ uint32_t read_domains, uint32_t write_domain,
+ uint32_t delta, uint32_t offset, dri_bo *target_buf)
+{
+ return reloc_buf->bufmgr->bo_emit_reloc(reloc_buf,
+ read_domains, write_domain,
+ delta, offset, target_buf);
+}
+
+int
+dri_bo_pin(dri_bo *bo, uint32_t alignment)
+{
+ if (bo->bufmgr->bo_pin)
+ return bo->bufmgr->bo_pin(bo, alignment);
+
+ return -ENODEV;
+}
+
+int
+dri_bo_unpin(dri_bo *bo)
+{
+ if (bo->bufmgr->bo_unpin)
+ return bo->bufmgr->bo_unpin(bo);
+
+ return -ENODEV;
+}
+
+int dri_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
+{
+ if (bo->bufmgr->bo_set_tiling)
+ return bo->bufmgr->bo_set_tiling(bo, tiling_mode);
+
+ *tiling_mode = I915_TILING_NONE;
+ return 0;
+}
* Public definitions of Intel-specific bufmgr functions.
*/
-#ifndef INTEL_BUFMGR_GEM_H
-#define INTEL_BUFMGR_GEM_H
+#ifndef INTEL_BUFMGR_H
+#define INTEL_BUFMGR_H
-#include "dri_bufmgr.h"
+#include <stdint.h>
-/**
- * Intel-specific bufmgr bits that follow immediately after the
- * generic bufmgr structure.
- */
-struct intel_bufmgr {
- /**
- * Add relocation entry in reloc_buf, which will be updated with the
- * target buffer's real offset on on command submission.
- *
- * Relocations remain in place for the lifetime of the buffer object.
- *
- * \param reloc_buf Buffer to write the relocation into.
- * \param read_domains GEM read domains which the buffer will be read into
- * by the command that this relocation is part of.
- * \param write_domains GEM read domains which the buffer will be dirtied
- * in by the command that this relocation is part of.
- * \param delta Constant value to be added to the relocation target's
- * offset.
- * \param offset Byte offset within batch_buf of the relocated pointer.
- * \param target Buffer whose offset should be written into the relocation
- * entry.
- */
- int (*emit_reloc)(dri_bo *reloc_buf,
- uint32_t read_domains, uint32_t write_domain,
- uint32_t delta, uint32_t offset, dri_bo *target);
- /**
- * Pin a buffer to the aperture and fix the offset until unpinned
- *
- * \param buf Buffer to pin
- * \param alignment Required alignment for aperture, in bytes
- */
- int (*pin) (dri_bo *buf, uint32_t alignment);
+typedef struct _dri_bufmgr dri_bufmgr;
+typedef struct _dri_bo dri_bo;
+
+struct _dri_bo {
/**
- * Unpin a buffer from the aperture, allowing it to be removed
+ * Size in bytes of the buffer object.
*
- * \param buf Buffer to unpin
+ * The size may be larger than the size originally requested for the
+ * allocation, such as being aligned to page size.
*/
- int (*unpin) (dri_bo *buf);
+ unsigned long size;
/**
- * Ask that the buffer be placed in tiling mode
- *
- * \param buf Buffer to set tiling mode for
- * \param tiling_mode desired, and returned tiling mode
+ * Card virtual address (offset from the beginning of the aperture) for the
+ * object. Only valid while validated.
*/
- int (*set_tiling) (dri_bo *bo, uint32_t *tiling_mode);
+ unsigned long offset;
/**
- * Create a visible name for a buffer which can be used by other apps
- *
- * \param buf Buffer to create a name for
- * \param name Returned name
+ * Virtual address for accessing the buffer data. Only valid while mapped.
*/
- int (*flink) (dri_bo *buf, uint32_t *name);
+ void *virtual;
+
+ /** Buffer manager context associated with this buffer object */
+ dri_bufmgr *bufmgr;
};
+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);
+
+int dri_bo_emit_reloc(dri_bo *reloc_buf,
+ uint32_t read_domains, uint32_t write_domain,
+ uint32_t delta, uint32_t offset, dri_bo *target_buf);
+int dri_bo_pin(dri_bo *buf, uint32_t alignment);
+int dri_bo_unpin(dri_bo *buf);
+int dri_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode);
+int dri_bo_flink(dri_bo *buf, uint32_t *name);
+
/* intel_bufmgr_gem.c */
dri_bufmgr *intel_bufmgr_gem_init(int fd, int batch_size);
dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name,
dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name,
unsigned long offset, unsigned long size,
void *virtual);
-
-void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
void intel_bo_fake_disable_backing_store(dri_bo *bo,
void (*invalidate_cb)(dri_bo *bo,
void *ptr),
void *ptr);
-void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr);
-
-int intel_bo_emit_reloc(dri_bo *reloc_buf,
- uint32_t read_domains, uint32_t write_domain,
- uint32_t delta, uint32_t offset, dri_bo *target_buf);
-
-int intel_bo_pin(dri_bo *buf, uint32_t alignment);
-
-int intel_bo_unpin(dri_bo *buf);
-int intel_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode);
-
-int intel_bo_flink(dri_bo *buf, uint32_t *name);
+void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
+void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr);
-#endif /* INTEL_BUFMGR_GEM_H */
+#endif /* INTEL_BUFMGR_H */
#include <stdlib.h>
#include <string.h>
#include <assert.h>
-#include "dri_bufmgr.h"
+#include <xf86drm.h>
#include "intel_bufmgr.h"
+#include "intel_bufmgr_priv.h"
#include "drm.h"
#include "i915_drm.h"
#include "mm.h"
typedef struct _bufmgr_fake {
dri_bufmgr bufmgr;
- struct intel_bufmgr intel_bufmgr;
unsigned long low_offset;
unsigned long size;
bufmgr_fake->bufmgr.bo_map = dri_fake_bo_map;
bufmgr_fake->bufmgr.bo_unmap = dri_fake_bo_unmap;
bufmgr_fake->bufmgr.bo_wait_rendering = dri_fake_bo_wait_rendering;
+ bufmgr_fake->bufmgr.bo_emit_reloc = dri_fake_emit_reloc;
bufmgr_fake->bufmgr.destroy = dri_fake_destroy;
bufmgr_fake->bufmgr.process_relocs = dri_fake_process_relocs;
bufmgr_fake->bufmgr.post_submit = dri_fake_post_submit;
bufmgr_fake->bufmgr.check_aperture_space = dri_fake_check_aperture_space;
bufmgr_fake->bufmgr.debug = 0;
- bufmgr_fake->intel_bufmgr.emit_reloc = dri_fake_emit_reloc;
bufmgr_fake->fence_emit = fence_emit;
bufmgr_fake->fence_wait = fence_wait;
#include <sys/mman.h>
#include "errno.h"
-#include "dri_bufmgr.h"
#include "intel_bufmgr.h"
+#include "intel_bufmgr_priv.h"
#include "string.h"
#include "i915_drm.h"
typedef struct _dri_bufmgr_gem {
dri_bufmgr bufmgr;
- struct intel_bufmgr intel_bufmgr;
-
int fd;
int max_relocs;
* last known offset in target_bo.
*/
static int
-dri_gem_emit_reloc(dri_bo *bo, uint32_t read_domains, uint32_t write_domain,
- uint32_t delta, uint32_t offset, dri_bo *target_bo)
+dri_gem_bo_emit_reloc(dri_bo *bo, uint32_t read_domains, uint32_t write_domain,
+ uint32_t delta, uint32_t offset, dri_bo *target_bo)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
}
static int
-dri_gem_pin(dri_bo *bo, uint32_t alignment)
+dri_gem_bo_pin(dri_bo *bo, uint32_t alignment)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
}
static int
-dri_gem_unpin(dri_bo *bo)
+dri_gem_bo_unpin(dri_bo *bo)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
}
static int
-dri_gem_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
+dri_gem_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
}
static int
-dri_gem_flink(dri_bo *bo, uint32_t *name)
+dri_gem_bo_flink(dri_bo *bo, uint32_t *name)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
bufmgr_gem->bufmgr.bo_subdata = dri_gem_bo_subdata;
bufmgr_gem->bufmgr.bo_get_subdata = dri_gem_bo_get_subdata;
bufmgr_gem->bufmgr.bo_wait_rendering = dri_gem_bo_wait_rendering;
+ bufmgr_gem->bufmgr.bo_emit_reloc = dri_gem_bo_emit_reloc;
+ bufmgr_gem->bufmgr.bo_pin = dri_gem_bo_pin;
+ bufmgr_gem->bufmgr.bo_unpin = dri_gem_bo_unpin;
+ bufmgr_gem->bufmgr.bo_set_tiling = dri_gem_bo_set_tiling;
+ bufmgr_gem->bufmgr.bo_flink = dri_gem_bo_flink;
bufmgr_gem->bufmgr.destroy = dri_bufmgr_gem_destroy;
bufmgr_gem->bufmgr.process_relocs = dri_gem_process_reloc;
bufmgr_gem->bufmgr.post_submit = dri_gem_post_submit;
bufmgr_gem->bufmgr.debug = 0;
bufmgr_gem->bufmgr.check_aperture_space = dri_gem_check_aperture_space;
- bufmgr_gem->intel_bufmgr.emit_reloc = dri_gem_emit_reloc;
- bufmgr_gem->intel_bufmgr.pin = dri_gem_pin;
- bufmgr_gem->intel_bufmgr.unpin = dri_gem_unpin;
- bufmgr_gem->intel_bufmgr.set_tiling = dri_gem_set_tiling;
- bufmgr_gem->intel_bufmgr.flink = dri_gem_flink;
/* Initialize the linked lists for BO reuse cache. */
for (i = 0; i < INTEL_GEM_BO_BUCKETS; i++)
bufmgr_gem->cache_bucket[i].tail = &bufmgr_gem->cache_bucket[i].head;
return &bufmgr_gem->bufmgr;
}
-int
-intel_bo_emit_reloc(dri_bo *reloc_buf,
- uint32_t read_domains, uint32_t write_domain,
- uint32_t delta, uint32_t offset, dri_bo *target_buf)
-{
- struct intel_bufmgr *intel_bufmgr;
-
- intel_bufmgr = (struct intel_bufmgr *)(reloc_buf->bufmgr + 1);
-
- return intel_bufmgr->emit_reloc(reloc_buf, read_domains, write_domain,
- delta, offset, target_buf);
-}
-
-int
-intel_bo_pin(dri_bo *bo, uint32_t alignment)
-{
- struct intel_bufmgr *intel_bufmgr;
-
- intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
-
- if (intel_bufmgr->pin)
- return intel_bufmgr->pin(bo, alignment);
-
- return 0;
-}
-
-int
-intel_bo_unpin(dri_bo *bo)
-{
- struct intel_bufmgr *intel_bufmgr;
-
- intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
-
- if (intel_bufmgr->unpin)
- return intel_bufmgr->unpin(bo);
-
- return 0;
-}
-
-int intel_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
-{
- struct intel_bufmgr *intel_bufmgr;
-
- intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
-
- if (intel_bufmgr->set_tiling)
- return intel_bufmgr->set_tiling (bo, tiling_mode);
-
- *tiling_mode = I915_TILING_NONE;
- return 0;
-}
-
-int intel_bo_flink(dri_bo *bo, uint32_t *name)
-{
- struct intel_bufmgr *intel_bufmgr;
-
- intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
-
- if (intel_bufmgr->flink)
- return intel_bufmgr->flink (bo, name);
-
- return -ENODEV;
-}
-
--- /dev/null
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+/**
+ * @file intel_bufmgr_priv.h
+ *
+ * Private definitions of Intel-specific bufmgr functions and structures.
+ */
+
+#ifndef INTEL_BUFMGR_PRIV_H
+#define INTEL_BUFMGR_PRIV_H
+
+/**
+ * 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);
+
+ /**
+ * Add relocation entry in reloc_buf, which will be updated with the
+ * target buffer's real offset on on command submission.
+ *
+ * Relocations remain in place for the lifetime of the buffer object.
+ *
+ * \param reloc_buf Buffer to write the relocation into.
+ * \param read_domains GEM read domains which the buffer will be read into
+ * by the command that this relocation is part of.
+ * \param write_domains GEM read domains which the buffer will be dirtied
+ * in by the command that this relocation is part of.
+ * \param delta Constant value to be added to the relocation target's
+ * offset.
+ * \param offset Byte offset within batch_buf of the relocated pointer.
+ * \param target Buffer whose offset should be written into the relocation
+ * entry.
+ */
+ int (*bo_emit_reloc)(dri_bo *reloc_buf,
+ uint32_t read_domains, uint32_t write_domain,
+ uint32_t delta, uint32_t offset, dri_bo *target);
+ /**
+ * Pin a buffer to the aperture and fix the offset until unpinned
+ *
+ * \param buf Buffer to pin
+ * \param alignment Required alignment for aperture, in bytes
+ */
+ int (*bo_pin) (dri_bo *buf, uint32_t alignment);
+ /**
+ * Unpin a buffer from the aperture, allowing it to be removed
+ *
+ * \param buf Buffer to unpin
+ */
+ int (*bo_unpin) (dri_bo *buf);
+ /**
+ * Ask that the buffer be placed in tiling mode
+ *
+ * \param buf Buffer to set tiling mode for
+ * \param tiling_mode desired, and returned tiling mode
+ */
+ int (*bo_set_tiling) (dri_bo *bo, uint32_t *tiling_mode);
+ /**
+ * Create a visible name for a buffer which can be used by other apps
+ *
+ * \param buf Buffer to create a name for
+ * \param name Returned name
+ */
+ int (*bo_flink) (dri_bo *buf, uint32_t *name);
+
+ int (*check_aperture_space)(dri_bo **bo_array, int count);
+ int debug; /**< Enables verbose debugging printouts */
+};
+
+/* intel_bufmgr_gem.c */
+dri_bufmgr *intel_bufmgr_gem_init(int fd, int batch_size);
+dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name,
+ unsigned int handle);
+void intel_bufmgr_gem_enable_reuse(dri_bufmgr *bufmgr);
+
+/* intel_bufmgr_fake.c */
+dri_bufmgr *intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
+ unsigned long size,
+ unsigned int (*fence_emit)(void *private),
+ int (*fence_wait)(void *private,
+ unsigned int cookie),
+ void *driver_priv);
+dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name,
+ unsigned long offset, unsigned long size,
+ void *virtual);
+
+void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
+void intel_bo_fake_disable_backing_store(dri_bo *bo,
+ void (*invalidate_cb)(dri_bo *bo,
+ void *ptr),
+ void *ptr);
+void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr);
+
+#endif /* INTEL_BUFMGR_PRIV_H */
+
projects / profile / ivi / libdrm.git / commitdiff