diff options
Diffstat (limited to 'src/gallium/aux/pipebuffer')
| -rw-r--r-- | src/gallium/aux/pipebuffer/Makefile | 23 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/linked_list.h | 91 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_buffer.h | 202 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_buffer_fenced.c | 299 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_buffer_fenced.h | 117 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_buffer_malloc.c | 127 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_bufmgr.h | 126 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c | 131 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_bufmgr_mm.c | 593 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_bufmgr_pool.c | 288 | ||||
| -rw-r--r-- | src/gallium/aux/pipebuffer/pb_winsys.c | 170 |
11 files changed, 2167 insertions, 0 deletions
diff --git a/src/gallium/aux/pipebuffer/Makefile b/src/gallium/aux/pipebuffer/Makefile new file mode 100644 index 0000000000..75764a9a18 --- /dev/null +++ b/src/gallium/aux/pipebuffer/Makefile @@ -0,0 +1,23 @@ + +TOP = ../../../.. +include $(TOP)/configs/current + +LIBNAME = pipebuffer + +DRIVER_SOURCES = \ + pb_buffer_fenced.c \ + pb_buffer_malloc.c \ + pb_bufmgr_fenced.c \ + pb_bufmgr_mm.c \ + pb_bufmgr_pool.c \ + pb_winsys.c + +C_SOURCES = \ + $(DRIVER_SOURCES) + +ASM_SOURCES = + +include ../Makefile.template + +symlinks: + diff --git a/src/gallium/aux/pipebuffer/linked_list.h b/src/gallium/aux/pipebuffer/linked_list.h new file mode 100644 index 0000000000..e99817fb13 --- /dev/null +++ b/src/gallium/aux/pipebuffer/linked_list.h @@ -0,0 +1,91 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/** + * \file + * List macros heavily inspired by the Linux kernel + * list handling. No list looping yet. + * + * Is not threadsafe, so common operations need to + * be protected using an external mutex. + */ + +#ifndef LINKED_LIST_H_ +#define LINKED_LIST_H_ + + +#include <stddef.h> + + +struct list_head +{ + struct list_head *prev; + struct list_head *next; +}; + + +#define LIST_INITHEAD(__item) \ + do { \ + (__item)->prev = (__item); \ + (__item)->next = (__item); \ + } while (0) + +#define LIST_ADD(__item, __list) \ + do { \ + (__item)->prev = (__list); \ + (__item)->next = (__list)->next; \ + (__list)->next->prev = (__item); \ + (__list)->next = (__item); \ + } while (0) + +#define LIST_ADDTAIL(__item, __list) \ + do { \ + (__item)->next = (__list); \ + (__item)->prev = (__list)->prev; \ + (__list)->prev->next = (__item); \ + (__list)->prev = (__item); \ + } while(0) + +#define LIST_DEL(__item) \ + do { \ + (__item)->prev->next = (__item)->next; \ + (__item)->next->prev = (__item)->prev; \ + } while(0) + +#define LIST_DELINIT(__item) \ + do { \ + (__item)->prev->next = (__item)->next; \ + (__item)->next->prev = (__item)->prev; \ + (__item)->next = (__item); \ + (__item)->prev = (__item); \ + } while(0) + +#define LIST_ENTRY(__type, __item, __field) \ + ((__type *)(((char *)(__item)) - offsetof(__type, __field))) + + +#endif /*LINKED_LIST_H_*/ diff --git a/src/gallium/aux/pipebuffer/pb_buffer.h b/src/gallium/aux/pipebuffer/pb_buffer.h new file mode 100644 index 0000000000..97beb5f72a --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_buffer.h @@ -0,0 +1,202 @@ +/************************************************************************** + * + * 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 + * Generic code for buffers. + * + * Behind a pipe buffle handle there can be DMA buffers, client (or user) + * buffers, regular malloced buffers, etc. This file provides an abstract base + * buffer handle that allows the driver to cope with all those kinds of buffers + * in a more flexible way. + * + * There is no obligation of a winsys driver to use this library. And a pipe + * driver should be completly agnostic about it. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + +#ifndef PB_BUFFER_H_ +#define PB_BUFFER_H_ + + +#include "pipe/p_compiler.h" +#include "pipe/p_debug.h" +#include "pipe/p_state.h" +#include "pipe/p_inlines.h" + + +struct pb_vtbl; + +/** + * Buffer description. + * + * Used when allocating the buffer. + */ +struct pb_desc +{ + unsigned alignment; + unsigned usage; +}; + + +/** + * Base class for all pb_* buffers. + */ +struct pb_buffer +{ + struct pipe_buffer base; + + /** + * Pointer to the virtual function table. + * + * Avoid accessing this table directly. Use the inline functions below + * instead to avoid mistakes. + */ + const struct pb_vtbl *vtbl; +}; + + +/** + * Virtual function table for the buffer storage operations. + * + * Note that creation is not done through this table. + */ +struct pb_vtbl +{ + void (*destroy)( struct pb_buffer *buf ); + + /** + * Map the entire data store of a buffer object into the client's address. + * flags is bitmask of PIPE_BUFFER_FLAG_READ/WRITE. + */ + void *(*map)( struct pb_buffer *buf, + unsigned flags ); + + void (*unmap)( struct pb_buffer *buf ); + + /** + * Get the base buffer and the offset. + * + * A buffer can be subdivided in smaller buffers. This method should return + * the underlaying buffer, and the relative offset. + * + * Buffers without an underlaying base buffer should return themselves, with + * a zero offset. + * + * Note that this will increase the reference count of the base buffer. + */ + void (*get_base_buffer)( struct pb_buffer *buf, + struct pb_buffer **base_buf, + unsigned *offset ); +}; + + +static INLINE struct pipe_buffer * +pb_pipe_buffer( struct pb_buffer *pbuf ) +{ + assert(pbuf); + return &pbuf->base; +} + + +static INLINE struct pb_buffer * +pb_buffer( struct pipe_buffer *buf ) +{ + assert(buf); + /* Could add a magic cookie check on debug builds. + */ + return (struct pb_buffer *)buf; +} + + +/* Accessor functions for pb->vtbl: + */ +static INLINE void * +pb_map(struct pb_buffer *buf, + unsigned flags) +{ + assert(buf); + return buf->vtbl->map(buf, flags); +} + + +static INLINE void +pb_unmap(struct pb_buffer *buf) +{ + assert(buf); + buf->vtbl->unmap(buf); +} + + +static INLINE void +pb_get_base_buffer( struct pb_buffer *buf, + struct pb_buffer **base_buf, + unsigned *offset ) +{ + buf->vtbl->get_base_buffer(buf, base_buf, offset); +} + + +static INLINE void +pb_destroy(struct pb_buffer *buf) +{ + assert(buf); + buf->vtbl->destroy(buf); +} + + +/* XXX: thread safety issues! + */ +static INLINE void +pb_reference(struct pb_buffer **dst, + struct pb_buffer *src) +{ + if (src) + src->base.refcount++; + + if (*dst && --(*dst)->base.refcount == 0) + pb_destroy( *dst ); + + *dst = src; +} + + +/** + * Malloc-based buffer to store data that can't be used by the graphics + * hardware. + */ +struct pb_buffer * +pb_malloc_buffer_create(size_t size, + const struct pb_desc *desc); + + +void +pb_init_winsys(struct pipe_winsys *winsys); + + +#endif /*PB_BUFFER_H_*/ diff --git a/src/gallium/aux/pipebuffer/pb_buffer_fenced.c b/src/gallium/aux/pipebuffer/pb_buffer_fenced.c new file mode 100644 index 0000000000..f4fc3f6d71 --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_buffer_fenced.c @@ -0,0 +1,299 @@ +/************************************************************************** + * + * 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 + * Implementation of fenced buffers. + * + * \author José Fonseca <jrfonseca-at-tungstengraphics-dot-com> + * \author Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + + +#include "linked_list.h" + +#include "p_compiler.h" +#include "p_debug.h" +#include "p_winsys.h" +#include "p_thread.h" +#include "p_util.h" + +#include "pb_buffer.h" +#include "pb_buffer_fenced.h" + +#ifndef __MSC__ +#include <unistd.h> +#endif + + +/** + * Convenience macro (type safe). + */ +#define SUPER(__derived) (&(__derived)->base) + + +struct fenced_buffer_list +{ + _glthread_Mutex mutex; + + struct pipe_winsys *winsys; + + size_t numDelayed; + size_t checkDelayed; + + struct list_head delayed; +}; + + +/** + * Wrapper around a pipe buffer which adds fencing and reference counting. + */ +struct fenced_buffer +{ + struct pb_buffer base; + + struct pb_buffer *buffer; + + struct pipe_fence_handle *fence; + + struct list_head head; + struct fenced_buffer_list *list; +}; + + +static INLINE struct fenced_buffer * +fenced_buffer(struct pb_buffer *buf) +{ + assert(buf); + assert(buf->vtbl == &fenced_buffer_vtbl); + return (struct fenced_buffer *)buf; +} + + + + +static void +_fenced_buffer_list_check_free(struct fenced_buffer_list *fenced_list, + int wait) +{ + struct pipe_winsys *winsys = fenced_list->winsys; + struct fenced_buffer *fenced_buf; + struct list_head *list, *prev; + int signaled = -1; + + list = fenced_list->delayed.next; + + if (fenced_list->numDelayed > 3) { + unsigned i; + + for (i = 0; i < fenced_list->numDelayed; i += 3) { + list = list->next; + } + } + + prev = list->prev; + for (; list != &fenced_list->delayed; list = prev, prev = list->prev) { + + fenced_buf = LIST_ENTRY(struct fenced_buffer, list, head); + + if (signaled != 0) { + if (wait) { + signaled = winsys->fence_finish(winsys, fenced_buf->fence, 0); + } + else { + signaled = winsys->fence_signalled(winsys, fenced_buf->fence, 0); + } + } + + if (signaled != 0) + /* XXX: we are assuming that buffers are freed in the same order they + * are fenced which may not always be true... + */ + break; + + winsys->fence_reference(winsys, &fenced_buf->fence, NULL); + + LIST_DEL(list); + fenced_list->numDelayed--; + + /* Do the delayed destroy: + */ + pb_reference(&fenced_buf->buffer, NULL); + FREE(fenced_buf); + } +} + + +static void +fenced_buffer_destroy(struct pb_buffer *buf) +{ + struct fenced_buffer *fenced_buf = fenced_buffer(buf); + struct fenced_buffer_list *fenced_list = fenced_buf->list; + + if (fenced_buf->fence) { + LIST_ADDTAIL(&fenced_buf->head, &fenced_list->delayed); + fenced_list->numDelayed++; + } + else { + pb_reference(&fenced_buf->buffer, NULL); + FREE(fenced_buf); + } + + if ((fenced_list->numDelayed % fenced_list->checkDelayed) == 0) + _fenced_buffer_list_check_free(fenced_list, 0); +} + + +static void * +fenced_buffer_map(struct pb_buffer *buf, + unsigned flags) +{ + struct fenced_buffer *fenced_buf = fenced_buffer(buf); + return pb_map(fenced_buf->buffer, flags); +} + + +static void +fenced_buffer_unmap(struct pb_buffer *buf) +{ + struct fenced_buffer *fenced_buf = fenced_buffer(buf); + pb_unmap(fenced_buf->buffer); +} + + +static void +fenced_buffer_get_base_buffer(struct pb_buffer *buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + struct fenced_buffer *fenced_buf = fenced_buffer(buf); + pb_get_base_buffer(fenced_buf->buffer, base_buf, offset); +} + + +const struct pb_vtbl +fenced_buffer_vtbl = { + fenced_buffer_destroy, + fenced_buffer_map, + fenced_buffer_unmap, + fenced_buffer_get_base_buffer +}; + + +struct pb_buffer * +fenced_buffer_create(struct fenced_buffer_list *fenced_list, + struct pb_buffer *buffer) +{ + struct fenced_buffer *buf; + + if(!buffer) + return NULL; + + buf = CALLOC_STRUCT(fenced_buffer); + if(!buf) + return NULL; + + buf->base.base.refcount = 1; + buf->base.base.alignment = buffer->base.alignment; + buf->base.base.usage = buffer->base.usage; + buf->base.base.size = buffer->base.size; + + buf->base.vtbl = &fenced_buffer_vtbl; + buf->buffer = buffer; + buf->list = fenced_list; + + return &buf->base; +} + + +void +buffer_fence(struct pb_buffer *buf, + struct pipe_fence_handle *fence) +{ + struct fenced_buffer *fenced_buf = fenced_buffer(buf); + struct fenced_buffer_list *fenced_list = fenced_buf->list; + struct pipe_winsys *winsys = fenced_list->winsys; + + _glthread_LOCK_MUTEX(fenced_list->mutex); + winsys->fence_reference(winsys, &fenced_buf->fence, fence); + _glthread_UNLOCK_MUTEX(fenced_list->mutex); +} + + +struct fenced_buffer_list * +fenced_buffer_list_create(struct pipe_winsys *winsys) +{ + struct fenced_buffer_list *fenced_list; + + fenced_list = (struct fenced_buffer_list *)CALLOC(1, sizeof(*fenced_list)); + if (!fenced_list) + return NULL; + + fenced_list->winsys = winsys; + + LIST_INITHEAD(&fenced_list->delayed); + + fenced_list->numDelayed = 0; + + /* TODO: don't hard code this */ + fenced_list->checkDelayed = 5; + + _glthread_INIT_MUTEX(fenced_list->mutex); + + return fenced_list; +} + + +void +fenced_buffer_list_check_free(struct fenced_buffer_list *fenced_list, + int wait) +{ + _glthread_LOCK_MUTEX(fenced_list->mutex); + _fenced_buffer_list_check_free(fenced_list, wait); + _glthread_UNLOCK_MUTEX(fenced_list->mutex); +} + + +void +fenced_buffer_list_destroy(struct fenced_buffer_list *fenced_list) +{ + _glthread_LOCK_MUTEX(fenced_list->mutex); + + /* Wait on outstanding fences */ + while (fenced_list->numDelayed) { + _glthread_UNLOCK_MUTEX(fenced_list->mutex); + sched_yield(); + _fenced_buffer_list_check_free(fenced_list, 1); + _glthread_LOCK_MUTEX(fenced_list->mutex); + } + + _glthread_UNLOCK_MUTEX(fenced_list->mutex); + + FREE(fenced_list); +} + + diff --git a/src/gallium/aux/pipebuffer/pb_buffer_fenced.h b/src/gallium/aux/pipebuffer/pb_buffer_fenced.h new file mode 100644 index 0000000000..c40b9c75e1 --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_buffer_fenced.h @@ -0,0 +1,117 @@ +/************************************************************************** + * + * 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 + * Buffer fencing. + * + * "Fenced buffers" is actually a misnomer. They should be referred as + * "fenceable buffers", i.e, buffers that can be fenced, but I couldn't find + * the word "fenceable" in the dictionary. + * + * A "fenced buffer" is a decorator around a normal buffer, which adds two + * special properties: + * - the ability for the destruction to be delayed by a fence; + * - reference counting. + * + * Usually DMA buffers have a life-time that will extend the life-time of its + * handle. The end-of-life is dictated by the fence signalling. + * + * Between the handle's destruction, and the fence signalling, the buffer is + * stored in a fenced buffer list. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + +#ifndef PB_BUFFER_FENCED_H_ +#define PB_BUFFER_FENCED_H_ + + +#include "pipe/p_debug.h" + + +struct pipe_winsys; +struct pipe_buffer; +struct pipe_fence_handle; + + +/** + * List of buffers which are awaiting fence signalling. + */ +struct fenced_buffer_list; + + +/** + * The fenced buffer's virtual function table. + * + * NOTE: Made public for debugging purposes. + */ +extern const struct pb_vtbl fenced_buffer_vtbl; + + +/** + * Create a fenced buffer list. + * + * See also fenced_bufmgr_create for a more convenient way to use this. + */ +struct fenced_buffer_list * +fenced_buffer_list_create(struct pipe_winsys *winsys); + + +/** + * Walk the fenced buffer list to check and free signalled buffers. + */ +void +fenced_buffer_list_check_free(struct fenced_buffer_list *fenced_list, + int wait); + +void +fenced_buffer_list_destroy(struct fenced_buffer_list *fenced_list); + + +/** + * Wrap a buffer in a fenced buffer. + * + * NOTE: this will not increase the buffer reference count. + */ +struct pb_buffer * +fenced_buffer_create(struct fenced_buffer_list *fenced, + struct pb_buffer *buffer); + + +/** + * Set a buffer's fence. + * + * NOTE: Although it takes a generic pb_buffer argument, it will fail + * on everything but buffers returned by fenced_buffer_create. + */ +void +buffer_fence(struct pb_buffer *buf, + struct pipe_fence_handle *fence); + + +#endif /*PB_BUFFER_FENCED_H_*/ diff --git a/src/gallium/aux/pipebuffer/pb_buffer_malloc.c b/src/gallium/aux/pipebuffer/pb_buffer_malloc.c new file mode 100644 index 0000000000..9e8244f909 --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_buffer_malloc.c @@ -0,0 +1,127 @@ +/************************************************************************** + * + * 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 + * Implementation of malloc-based buffers to store data that can't be processed + * by the hardware. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_debug.h" +#include "pipe/p_util.h" +#include "pb_buffer.h" + + +struct malloc_buffer +{ + struct pb_buffer base; + void *data; +}; + + +extern const struct pb_vtbl malloc_buffer_vtbl; + +static INLINE struct malloc_buffer * +malloc_buffer(struct pb_buffer *buf) +{ + assert(buf); + assert(buf->vtbl == &malloc_buffer_vtbl); + return (struct malloc_buffer *)buf; +} + + +static void +malloc_buffer_destroy(struct pb_buffer *buf) +{ + align_free(malloc_buffer(buf)->data); + FREE(buf); +} + + +static void * +malloc_buffer_map(struct pb_buffer *buf, + unsigned flags) +{ + return malloc_buffer(buf)->data; +} + + +static void +malloc_buffer_unmap(struct pb_buffer *buf) +{ + /* No-op */ +} + + +static void +malloc_buffer_get_base_buffer(struct pb_buffer *buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + *base_buf = buf; + *offset = 0; +} + + +const struct pb_vtbl +malloc_buffer_vtbl = { + malloc_buffer_destroy, + malloc_buffer_map, + malloc_buffer_unmap, + malloc_buffer_get_base_buffer +}; + + +struct pb_buffer * +pb_malloc_buffer_create(size_t size, + const struct pb_desc *desc) +{ + struct malloc_buffer *buf; + + /* TODO: do a single allocation */ + + buf = CALLOC_STRUCT(malloc_buffer); + if(!buf) + return NULL; + + buf->base.base.refcount = 1; + buf->base.base.alignment = desc->alignment; + buf->base.base.usage = desc->usage; + buf->base.base.size = size; + buf->base.vtbl = &malloc_buffer_vtbl; + + buf->data = align_malloc(size, desc->alignment < sizeof(void*) ? sizeof(void*) : desc->alignment); + if(!buf->data) { + align_free(buf); + return NULL; + } + + return &buf->base; +} diff --git a/src/gallium/aux/pipebuffer/pb_bufmgr.h b/src/gallium/aux/pipebuffer/pb_bufmgr.h new file mode 100644 index 0000000000..1ddf784c97 --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_bufmgr.h @@ -0,0 +1,126 @@ +/************************************************************************** + * + * 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 + * Buffer management. + * + * A buffer manager does only one basic thing: it creates buffers. Actually, + * "buffer factory" would probably a more accurate description. + * + * You can chain buffer managers so that you can have a finer grained memory + * management and pooling. + * + * For example, for a simple batch buffer manager you would chain: + * - the native buffer manager, which provides DMA memory from the graphics + * memory space; + * - the pool buffer manager, which keep around a pool of equally sized buffers + * to avoid latency associated with the native buffer manager; + * - the fenced buffer manager, which will delay buffer destruction until the + * the moment the card finishing processing it. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + +#ifndef PB_BUFMGR_H_ +#define PB_BUFMGR_H_ + + +#include <stddef.h> + + +struct pb_desc; +struct pipe_buffer; +struct pipe_winsys; + + +/** + * Abstract base class for all buffer managers. + */ +struct pb_manager +{ + /* XXX: we will likely need more allocation flags */ + struct pb_buffer * + (*create_buffer)( struct pb_manager *mgr, + size_t size, + const struct pb_desc *desc); + + void + (*destroy)( struct pb_manager *mgr ); +}; + + +/** + * Static buffer pool manager. + * + * Manages the allocation of equally sized buffers. It does so by allocating + * a single big buffer and divide it equally sized buffers. + * + * It is meant to manage the allocation of batch buffer pools. + */ +struct pb_manager * +pool_bufmgr_create(struct pb_manager *provider, + size_t n, size_t size, + const struct pb_desc *desc); + + +/** + * Wraper around the old memory manager. + * + * It managers buffers of different sizes. It does so by allocating a buffer + * with the size of the heap, and then using the old mm memory manager to manage + * that heap. + */ +struct pb_manager * +mm_bufmgr_create(struct pb_manager *provider, + size_t size, size_t align2); + +/** + * Same as mm_bufmgr_create. + * + * Buffer will be release when the manager is destroyed. + */ +struct pb_manager * +mm_bufmgr_create_from_buffer(struct pb_buffer *buffer, + size_t size, size_t align2); + + +/** + * Fenced buffer manager. + * + * This manager is just meant for convenience. It wraps the buffers returned + * by another manager in fenced buffers, so that + * + * NOTE: the buffer manager that provides the buffers will be destroyed + * at the same time. + */ +struct pb_manager * +fenced_bufmgr_create(struct pb_manager *provider, + struct pipe_winsys *winsys); + + +#endif /*PB_BUFMGR_H_*/ diff --git a/src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c b/src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c new file mode 100644 index 0000000000..c535d3276c --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c @@ -0,0 +1,131 @@ +/************************************************************************** + * + * 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. + * + * + **************************************************************************/ + +/** + * \file + * A buffer manager that wraps buffers in fenced buffers. + * + * \author José Fonseca <jrfonseca@tungstengraphics.dot.com> + */ + + +#include "p_debug.h" +#include "p_util.h" + +#include "pb_buffer.h" +#include "pb_buffer_fenced.h" +#include "pb_bufmgr.h" + + +struct fenced_pb_manager +{ + struct pb_manager base; + + struct pb_manager *provider; + + struct fenced_buffer_list *fenced_list; +}; + + +static INLINE struct fenced_pb_manager * +fenced_pb_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct fenced_pb_manager *)mgr; +} + + +static struct pb_buffer * +fenced_bufmgr_create_buffer(struct pb_manager *mgr, + size_t size, + const struct pb_desc *desc) +{ + struct fenced_pb_manager *fenced_mgr = fenced_pb_manager(mgr); + struct pb_buffer *buf; + struct pb_buffer *fenced_buf; + + /* check for free buffers before allocating new ones */ + fenced_buffer_list_check_free(fenced_mgr->fenced_list, 0); + + buf = fenced_mgr->provider->create_buffer(fenced_mgr->provider, size, desc); + if(!buf) { + /* try harder to get a buffer */ + fenced_buffer_list_check_free(fenced_mgr->fenced_list, 1); + + buf = fenced_mgr->provider->create_buffer(fenced_mgr->provider, size, desc); + if(!buf) { + /* give up */ + return NULL; + } + } + + fenced_buf = fenced_buffer_create(fenced_mgr->fenced_list, buf); + if(!fenced_buf) { + assert(buf->base.refcount == 1); + pb_destroy(buf); + } + + return fenced_buf; +} + + +static void +fenced_bufmgr_destroy(struct pb_manager *mgr) +{ + struct fenced_pb_manager *fenced_mgr = fenced_pb_manager(mgr); + + fenced_buffer_list_destroy(fenced_mgr->fenced_list); + + fenced_mgr->provider->destroy(fenced_mgr->provider); + + FREE(fenced_mgr); +} + + +struct pb_manager * +fenced_bufmgr_create(struct pb_manager *provider, + struct pipe_winsys *winsys) +{ + struct fenced_pb_manager *fenced_mgr; + + fenced_mgr = (struct fenced_pb_manager *)CALLOC(1, sizeof(*fenced_mgr)); + if (!fenced_mgr) + return NULL; + + fenced_mgr->base.destroy = fenced_bufmgr_destroy; + fenced_mgr->base.create_buffer = fenced_bufmgr_create_buffer; + + fenced_mgr->provider = provider; + fenced_mgr->fenced_list = fenced_buffer_list_create(winsys); + if(!fenced_mgr->fenced_list) { + FREE(fenced_mgr); + return NULL; + } + + return &fenced_mgr->base; +} diff --git a/src/gallium/aux/pipebuffer/pb_bufmgr_mm.c b/src/gallium/aux/pipebuffer/pb_bufmgr_mm.c new file mode 100644 index 0000000000..8b1b51c0e2 --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_bufmgr_mm.c @@ -0,0 +1,593 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 1999 Wittawat Yamwong + * 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 + * Buffer manager using the old texture memory manager. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "linked_list.h" + +#include "p_defines.h" +#include "p_debug.h" +#include "p_thread.h" +#include "p_util.h" +#include "pb_buffer.h" +#include "pb_bufmgr.h" + + +/** + * Convenience macro (type safe). + */ +#define SUPER(__derived) (&(__derived)->base) + + +struct mem_block +{ + struct mem_block *next, *prev; + struct mem_block *next_free, *prev_free; + struct mem_block *heap; + int ofs, size; + unsigned int free:1; + unsigned int reserved:1; +}; + + +#ifdef DEBUG +/** + * For debugging purposes. + */ +static void +mmDumpMemInfo(const struct mem_block *heap) +{ + debug_printf("Memory heap %p:\n", (void *)heap); + if (heap == 0) { + debug_printf(" heap == 0\n"); + } else { + const struct mem_block *p; + + for(p = heap->next; p != heap; p = p->next) { + debug_printf(" Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size, + p->free ? 'F':'.', + p->reserved ? 'R':'.'); + } + + debug_printf("\nFree list:\n"); + + for(p = heap->next_free; p != heap; p = p->next_free) { + debug_printf(" FREE Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size, + p->free ? 'F':'.', + p->reserved ? 'R':'.'); + } + + } + debug_printf("End of memory blocks\n"); +} +#endif + + +/** + * input: total size in bytes + * return: a heap pointer if OK, NULL if error + */ +static struct mem_block * +mmInit(int ofs, int size) +{ + struct mem_block *heap, *block; + + if (size <= 0) + return NULL; + + heap = CALLOC_STRUCT(mem_block); + if (!heap) + return NULL; + + block = CALLOC_STRUCT(mem_block); + if (!block) { + FREE(heap); + return NULL; + } + + heap->next = block; + heap->prev = block; + heap->next_free = block; + heap->prev_free = block; + + block->heap = heap; + block->next = heap; + block->prev = heap; + block->next_free = heap; + block->prev_free = heap; + + block->ofs = ofs; + block->size = size; + block->free = 1; + + return heap; +} + + +static struct mem_block * +SliceBlock(struct mem_block *p, + int startofs, int size, + int reserved, int alignment) +{ + struct mem_block *newblock; + + /* break left [p, newblock, p->next], then p = newblock */ + if (startofs > p->ofs) { + newblock = CALLOC_STRUCT(mem_block); + if (!newblock) + return NULL; + newblock->ofs = startofs; + newblock->size = p->size - (startofs - p->ofs); + newblock->free = 1; + newblock->heap = p->heap; + + newblock->next = p->next; + newblock->prev = p; + p->next->prev = newblock; + p->next = newblock; + + newblock->next_free = p->next_free; + newblock->prev_free = p; + p->next_free->prev_free = newblock; + p->next_free = newblock; + + p->size -= newblock->size; + p = newblock; + } + + /* break right, also [p, newblock, p->next] */ + if (size < p->size) { + newblock = CALLOC_STRUCT(mem_block); + if (!newblock) + return NULL; + newblock->ofs = startofs + size; + newblock->size = p->size - size; + newblock->free = 1; + newblock->heap = p->heap; + + newblock->next = p->next; + newblock->prev = p; + p->next->prev = newblock; + p->next = newblock; + + newblock->next_free = p->next_free; + newblock->prev_free = p; + p->next_free->prev_free = newblock; + p->next_free = newblock; + + p->size = size; + } + + /* p = middle block */ + p->free = 0; + + /* Remove p from the free list: + */ + p->next_free->prev_free = p->prev_free; + p->prev_free->next_free = p->next_free; + + p->next_free = 0; + p->prev_free = 0; + + p->reserved = reserved; + return p; +} + + +/** + * Allocate 'size' bytes with 2^align2 bytes alignment, + * restrict the search to free memory after 'startSearch' + * depth and back buffers should be in different 4mb banks + * to get better page hits if possible + * input: size = size of block + * align2 = 2^align2 bytes alignment + * startSearch = linear offset from start of heap to begin search + * return: pointer to the allocated block, 0 if error + */ +static struct mem_block * +mmAllocMem(struct mem_block *heap, int size, int align2, int startSearch) +{ + struct mem_block *p; + const int mask = (1 << align2)-1; + int startofs = 0; + int endofs; + + if (!heap || align2 < 0 || size <= 0) + return NULL; + + for (p = heap->next_free; p != heap; p = p->next_free) { + assert(p->free); + + startofs = (p->ofs + mask) & ~mask; + if ( startofs < startSearch ) { + startofs = startSearch; + } + endofs = startofs+size; + if (endofs <= (p->ofs+p->size)) + break; + } + + if (p == heap) + return NULL; + + assert(p->free); + p = SliceBlock(p,startofs,size,0,mask+1); + + return p; +} + + +#if 0 +/** + * Free block starts at offset + * input: pointer to a heap, start offset + * return: pointer to a block + */ +static struct mem_block * +mmFindBlock(struct mem_block *heap, int start) +{ + struct mem_block *p; + + for (p = heap->next; p != heap; p = p->next) { + if (p->ofs == start) + return p; + } + + return NULL; +} +#endif + + +static INLINE int +Join2Blocks(struct mem_block *p) +{ + /* XXX there should be some assertions here */ + + /* NOTE: heap->free == 0 */ + + if (p->free && p->next->free) { + struct mem_block *q = p->next; + + assert(p->ofs + p->size == q->ofs); + p->size += q->size; + + p->next = q->next; + q->next->prev = p; + + q->next_free->prev_free = q->prev_free; + q->prev_free->next_free = q->next_free; + + FREE(q); + return 1; + } + return 0; +} + + +/** + * Free block starts at offset + * input: pointer to a block + * return: 0 if OK, -1 if error + */ +static int +mmFreeMem(struct mem_block *b) +{ + if (!b) + return 0; + + if (b->free) { + debug_printf("block already free\n"); + return -1; + } + if (b->reserved) { + debug_printf("block is reserved\n"); + return -1; + } + + b->free = 1; + b->next_free = b->heap->next_free; + b->prev_free = b->heap; + b->next_free->prev_free = b; + b->prev_free->next_free = b; + + Join2Blocks(b); + if (b->prev != b->heap) + Join2Blocks(b->prev); + + return 0; +} + + +/** + * destroy MM + */ +static void +mmDestroy(struct mem_block *heap) +{ + struct mem_block *p; + + if (!heap) + return; + + for (p = heap->next; p != heap; ) { + struct mem_block *next = p->next; + FREE(p); + p = next; + } + + FREE(heap); +} + + +struct mm_pb_manager +{ + struct pb_manager base; + + _glthread_Mutex mutex; + + size_t size; + struct mem_block *heap; + + size_t align2; + + struct pb_buffer *buffer; + void *map; +}; + + +static INLINE struct mm_pb_manager * +mm_pb_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct mm_pb_manager *)mgr; +} + + +struct mm_buffer +{ + struct pb_buffer base; + + struct mm_pb_manager *mgr; + + struct mem_block *block; +}; + + +static INLINE struct mm_buffer * +mm_buffer(struct pb_buffer *buf) +{ + assert(buf); + return (struct mm_buffer *)buf; +} + + +static void +mm_buffer_destroy(struct pb_buffer *buf) +{ + struct mm_buffer *mm_buf = mm_buffer(buf); + struct mm_pb_manager *mm = mm_buf->mgr; + + assert(buf->base.refcount == 0); + + _glthread_LOCK_MUTEX(mm->mutex); + mmFreeMem(mm_buf->block); + FREE(buf); + _glthread_UNLOCK_MUTEX(mm->mutex); +} + + +static void * +mm_buffer_map(struct pb_buffer *buf, + unsigned flags) +{ + struct mm_buffer *mm_buf = mm_buffer(buf); + struct mm_pb_manager *mm = mm_buf->mgr; + + return (unsigned char *) mm->map + mm_buf->block->ofs; +} + + +static void +mm_buffer_unmap(struct pb_buffer *buf) +{ + /* No-op */ +} + + +static void +mm_buffer_get_base_buffer(struct pb_buffer *buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + struct mm_buffer *mm_buf = mm_buffer(buf); + struct mm_pb_manager *mm = mm_buf->mgr; + pb_get_base_buffer(mm->buffer, base_buf, offset); + *offset += mm_buf->block->ofs; +} + + +static const struct pb_vtbl +mm_buffer_vtbl = { + mm_buffer_destroy, + mm_buffer_map, + mm_buffer_unmap, + mm_buffer_get_base_buffer +}; + + +static struct pb_buffer * +mm_bufmgr_create_buffer(struct pb_manager *mgr, + size_t size, + const struct pb_desc *desc) +{ + struct mm_pb_manager *mm = mm_pb_manager(mgr); + struct mm_buffer *mm_buf; + + /* We don't handle alignments larger then the one initially setup */ + assert(desc->alignment % (1 << mm->align2) == 0); + if(desc->alignment % (1 << mm->align2)) + return NULL; + + _glthread_LOCK_MUTEX(mm->mutex); + + mm_buf = CALLOC_STRUCT(mm_buffer); + if (!mm_buf) { + _glthread_UNLOCK_MUTEX(mm->mutex); + return NULL; + } + + mm_buf->base.base.refcount = 1; + mm_buf->base.base.alignment = desc->alignment; + mm_buf->base.base.usage = desc->usage; + mm_buf->base.base.size = size; + + mm_buf->base.vtbl = &mm_buffer_vtbl; + + mm_buf->mgr = mm; + + mm_buf->block = mmAllocMem(mm->heap, size, mm->align2, 0); + if(!mm_buf->block) { + debug_printf("warning: heap full\n"); +#if 0 + mmDumpMemInfo(mm->heap); +#endif + + mm_buf->block = mmAllocMem(mm->heap, size, mm->align2, 0); + if(!mm_buf->block) { + assert(0); + FREE(mm_buf); + _glthread_UNLOCK_MUTEX(mm->mutex); + return NULL; + } + } + + /* Some sanity checks */ + assert(0 <= mm_buf->block->ofs && mm_buf->block->ofs < mm->size); + assert(size <= mm_buf->block->size && mm_buf->block->ofs + mm_buf->block->size <= mm->size); + + _glthread_UNLOCK_MUTEX(mm->mutex); + return SUPER(mm_buf); +} + + +static void +mm_bufmgr_destroy(struct pb_manager *mgr) +{ + struct mm_pb_manager *mm = mm_pb_manager(mgr); + + _glthread_LOCK_MUTEX(mm->mutex); + + mmDestroy(mm->heap); + + pb_unmap(mm->buffer); + pb_reference(&mm->buffer, NULL); + + _glthread_UNLOCK_MUTEX(mm->mutex); + + FREE(mgr); +} + + +struct pb_manager * +mm_bufmgr_create_from_buffer(struct pb_buffer *buffer, + size_t size, size_t align2) +{ + struct mm_pb_manager *mm; + + if(!buffer) + return NULL; + + mm = CALLOC_STRUCT(mm_pb_manager); + if (!mm) + return NULL; + + mm->base.create_buffer = mm_bufmgr_create_buffer; + mm->base.destroy = mm_bufmgr_destroy; + + mm->size = size; + mm->align2 = align2; /* 64-byte alignment */ + + _glthread_INIT_MUTEX(mm->mutex); + + mm->buffer = buffer; + + mm->map = pb_map(mm->buffer, + PIPE_BUFFER_USAGE_CPU_READ | + PIPE_BUFFER_USAGE_CPU_WRITE); + if(!mm->map) + goto failure; + + mm->heap = mmInit(0, size); + if (!mm->heap) + goto failure; + + return SUPER(mm); + +failure: +if(mm->heap) + mmDestroy(mm->heap); + if(mm->map) + pb_unmap(mm->buffer); + if(mm) + FREE(mm); + return NULL; +} + + +struct pb_manager * +mm_bufmgr_create(struct pb_manager *provider, + size_t size, size_t align2) +{ + struct pb_buffer *buffer; + struct pb_manager *mgr; + struct pb_desc desc; + + assert(provider); + assert(provider->create_buffer); + + memset(&desc, 0, sizeof(desc)); + desc.alignment = 1 << align2; + + buffer = provider->create_buffer(provider, size, &desc); + if (!buffer) + return NULL; + + mgr = mm_bufmgr_create_from_buffer(buffer, size, align2); + if (!mgr) { + pb_reference(&buffer, NULL); + return NULL; + } + + return mgr; +} diff --git a/src/gallium/aux/pipebuffer/pb_bufmgr_pool.c b/src/gallium/aux/pipebuffer/pb_bufmgr_pool.c new file mode 100644 index 0000000000..04477a865a --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_bufmgr_pool.c @@ -0,0 +1,288 @@ +/************************************************************************** + * + * 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. + * + * + **************************************************************************/ + +/** + * \file + * Batch buffer pool management. + * + * \author José Fonseca <jrfonseca-at-tungstengraphics-dot-com> + * \author Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + + +#include "linked_list.h" + +#include "p_compiler.h" +#include "p_debug.h" +#include "p_thread.h" +#include "p_defines.h" +#include "p_util.h" + +#include "pb_buffer.h" +#include "pb_bufmgr.h" + + +/** + * Convenience macro (type safe). + */ +#define SUPER(__derived) (&(__derived)->base) + + +struct pool_pb_manager +{ + struct pb_manager base; + + _glthread_Mutex mutex; + + size_t bufSize; + size_t bufAlign; + + size_t numFree; + size_t numTot; + + struct list_head free; + + struct pb_buffer *buffer; + void *map; + + struct pool_buffer *bufs; +}; + + +static INLINE struct pool_pb_manager * +pool_pb_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct pool_pb_manager *)mgr; +} + + +struct pool_buffer +{ + struct pb_buffer base; + + struct pool_pb_manager *mgr; + + struct list_head head; + + size_t start; +}; + + +static INLINE struct pool_buffer * +pool_buffer(struct pb_buffer *buf) +{ + assert(buf); + return (struct pool_buffer *)buf; +} + + + +static void +pool_buffer_destroy(struct pb_buffer *buf) +{ + struct pool_buffer *pool_buf = pool_buffer(buf); + struct pool_pb_manager *pool = pool_buf->mgr; + + assert(pool_buf->base.base.refcount == 0); + + _glthread_LOCK_MUTEX(pool->mutex); + LIST_ADD(&pool_buf->head, &pool->free); + pool->numFree++; + _glthread_UNLOCK_MUTEX(pool->mutex); +} + + +static void * +pool_buffer_map(struct pb_buffer *buf, unsigned flags) +{ + struct pool_buffer *pool_buf = pool_buffer(buf); + struct pool_pb_manager *pool = pool_buf->mgr; + void *map; + + _glthread_LOCK_MUTEX(pool->mutex); + map = (unsigned char *) pool->map + pool_buf->start; + _glthread_UNLOCK_MUTEX(pool->mutex); + return map; +} + + +static void +pool_buffer_unmap(struct pb_buffer *buf) +{ + /* No-op */ +} + + +static void +pool_buffer_get_base_buffer(struct pb_buffer *buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + struct pool_buffer *pool_buf = pool_buffer(buf); + struct pool_pb_manager *pool = pool_buf->mgr; + pb_get_base_buffer(pool->buffer, base_buf, offset); + *offset += pool_buf->start; +} + + +static const struct pb_vtbl +pool_buffer_vtbl = { + pool_buffer_destroy, + pool_buffer_map, + pool_buffer_unmap, + pool_buffer_get_base_buffer +}; + + +static struct pb_buffer * +pool_bufmgr_create_buffer(struct pb_manager *mgr, + size_t size, + const struct pb_desc *desc) +{ + struct pool_pb_manager *pool = pool_pb_manager(mgr); + struct pool_buffer *pool_buf; + struct list_head *item; + + assert(size == pool->bufSize); + assert(pool->bufAlign % desc->alignment == 0); + + _glthread_LOCK_MUTEX(pool->mutex); + + if (pool->numFree == 0) { + _glthread_UNLOCK_MUTEX(pool->mutex); + debug_printf("warning: out of fixed size buffer objects\n"); + return NULL; + } + + item = pool->free.next; + + if (item == &pool->free) { + _glthread_UNLOCK_MUTEX(pool->mutex); + debug_printf("error: fixed size buffer pool corruption\n"); + return NULL; + } + + LIST_DEL(item); + --pool->numFree; + + _glthread_UNLOCK_MUTEX(pool->mutex); + + pool_buf = LIST_ENTRY(struct pool_buffer, item, head); + assert(pool_buf->base.base.refcount == 0); + pool_buf->base.base.refcount = 1; + pool_buf->base.base.alignment = desc->alignment; + pool_buf->base.base.usage = desc->usage; + + return SUPER(pool_buf); +} + + +static void +pool_bufmgr_destroy(struct pb_manager *mgr) +{ + struct pool_pb_manager *pool = pool_pb_manager(mgr); + _glthread_LOCK_MUTEX(pool->mutex); + + FREE(pool->bufs); + + pb_unmap(pool->buffer); + pb_reference(&pool->buffer, NULL); + + _glthread_UNLOCK_MUTEX(pool->mutex); + + FREE(mgr); +} + + +struct pb_manager * +pool_bufmgr_create(struct pb_manager *provider, + size_t numBufs, + size_t bufSize, + const struct pb_desc *desc) +{ + struct pool_pb_manager *pool; + struct pool_buffer *pool_buf; + size_t i; + + pool = (struct pool_pb_manager *)CALLOC(1, sizeof(*pool)); + if (!pool) + return NULL; + + pool->base.destroy = pool_bufmgr_destroy; + pool->base.create_buffer = pool_bufmgr_create_buffer; + + LIST_INITHEAD(&pool->free); + + pool->numTot = numBufs; + pool->numFree = numBufs; + pool->bufSize = bufSize; + pool->bufAlign = desc->alignment; + + _glthread_INIT_MUTEX(pool->mutex); + + pool->buffer = provider->create_buffer(provider, numBufs*bufSize, desc); + if (!pool->buffer) + goto failure; + + pool->map = pb_map(pool->buffer, + PIPE_BUFFER_USAGE_CPU_READ | + PIPE_BUFFER_USAGE_CPU_WRITE); + if(!pool->map) + goto failure; + + pool->bufs = (struct pool_buffer *)CALLOC(numBufs, sizeof(*pool->bufs)); + if (!pool->bufs) + goto failure; + + pool_buf = pool->bufs; + for (i = 0; i < numBufs; ++i) { + pool_buf->base.base.refcount = 0; + pool_buf->base.base.alignment = 0; + pool_buf->base.base.usage = 0; + pool_buf->base.base.size = bufSize; + pool_buf->base.vtbl = &pool_buffer_vtbl; + pool_buf->mgr = pool; + pool_buf->start = i * bufSize; + LIST_ADDTAIL(&pool_buf->head, &pool->free); + pool_buf++; + } + + return SUPER(pool); + +failure: + if(pool->bufs) + FREE(pool->bufs); + if(pool->map) + pb_unmap(pool->buffer); + if(pool->buffer) + pb_reference(&pool->buffer, NULL); + if(pool) + FREE(pool); + return NULL; +} diff --git a/src/gallium/aux/pipebuffer/pb_winsys.c b/src/gallium/aux/pipebuffer/pb_winsys.c new file mode 100644 index 0000000000..978944091f --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_winsys.c @@ -0,0 +1,170 @@ +/************************************************************************** + * + * 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 + * Implementation of client buffer (also designated as "user buffers"), which + * are just state-tracker owned data masqueraded as buffers. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_winsys.h" +#include "pipe/p_util.h" + +#include "pb_buffer.h" + + +/** + * User buffers are special buffers that initially reference memory + * held by the user but which may if necessary copy that memory into + * device memory behind the scenes, for submission to hardware. + * + * These are particularly useful when the referenced data is never + * submitted to hardware at all, in the particular case of software + * vertex processing. + */ +struct pb_user_buffer +{ + struct pb_buffer base; + void *data; +}; + + +extern const struct pb_vtbl pb_user_buffer_vtbl; + + +static INLINE struct pb_user_buffer * +pb_user_buffer(struct pb_buffer *buf) +{ + assert(buf); + assert(buf->vtbl == &pb_user_buffer_vtbl); + return (struct pb_user_buffer *)buf; +} + + +static void +pb_user_buffer_destroy(struct pb_buffer *buf) +{ + assert(buf); + FREE(buf); +} + + +static void * +pb_user_buffer_map(struct pb_buffer *buf, + unsigned flags) +{ + return pb_user_buffer(buf)->data; +} + + +static void +pb_user_buffer_unmap(struct pb_buffer *buf) +{ + /* No-op */ +} + + +static void +pb_user_buffer_get_base_buffer(struct pb_buffer *buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + *base_buf = buf; + *offset = 0; +} + + +const struct pb_vtbl +pb_user_buffer_vtbl = { + pb_user_buffer_destroy, + pb_user_buffer_map, + pb_user_buffer_unmap, + pb_user_buffer_get_base_buffer +}; + + +static struct pipe_buffer * +pb_winsys_user_buffer_create(struct pipe_winsys *winsys, + void *data, + unsigned bytes) +{ + struct pb_user_buffer *buf = CALLOC_STRUCT(pb_user_buffer); + + if(!buf) + return NULL; + + buf->base.base.refcount = 1; + buf->base.base.size = bytes; + buf->base.base.alignment = 0; + buf->base.base.usage = 0; + + buf->base.vtbl = &pb_user_buffer_vtbl; + buf->data = data; + + return &buf->base.base; +} + + +static void * +pb_winsys_buffer_map(struct pipe_winsys *winsys, + struct pipe_buffer *buf, + unsigned flags) +{ + (void)winsys; + return pb_map(pb_buffer(buf), flags); +} + + +static void +pb_winsys_buffer_unmap(struct pipe_winsys *winsys, + struct pipe_buffer *buf) +{ + (void)winsys; + pb_unmap(pb_buffer(buf)); +} + + +static void +pb_winsys_buffer_destroy(struct pipe_winsys *winsys, + struct pipe_buffer *buf) +{ + (void)winsys; + pb_destroy(pb_buffer(buf)); +} + + +void +pb_init_winsys(struct pipe_winsys *winsys) +{ + winsys->user_buffer_create = pb_winsys_user_buffer_create; + winsys->buffer_map = pb_winsys_buffer_map; + winsys->buffer_unmap = pb_winsys_buffer_unmap; + winsys->buffer_destroy = pb_winsys_buffer_destroy; +} |