diff options
Diffstat (limited to 'src/gallium/auxiliary/pipebuffer')
17 files changed, 3613 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/Makefile b/src/gallium/auxiliary/pipebuffer/Makefile new file mode 100644 index 0000000000..f9b39d9ce0 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/Makefile @@ -0,0 +1,22 @@ +TOP = ../../../.. +include $(TOP)/configs/current + +LIBNAME = pipebuffer + +C_SOURCES = \ + pb_buffer_fenced.c \ + pb_buffer_malloc.c \ + pb_bufmgr_alt.c \ + pb_bufmgr_cache.c \ + pb_bufmgr_debug.c \ + pb_bufmgr_fenced.c \ + pb_bufmgr_mm.c \ + pb_bufmgr_pool.c \ + pb_bufmgr_slab.c \ + pb_validate.c \ + pb_winsys.c + +include ../../Makefile.template + +symlinks: + diff --git a/src/gallium/auxiliary/pipebuffer/SConscript b/src/gallium/auxiliary/pipebuffer/SConscript new file mode 100644 index 0000000000..56a40dda0d --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/SConscript @@ -0,0 +1,19 @@ +Import('*') + +pipebuffer = env.ConvenienceLibrary( + target = 'pipebuffer', + source = [ + 'pb_buffer_fenced.c', + 'pb_buffer_malloc.c', + 'pb_bufmgr_alt.c', + 'pb_bufmgr_cache.c', + 'pb_bufmgr_debug.c', + 'pb_bufmgr_fenced.c', + 'pb_bufmgr_mm.c', + 'pb_bufmgr_pool.c', + 'pb_bufmgr_slab.c', + 'pb_validate.c', + 'pb_winsys.c', + ]) + +auxiliaries.insert(0, pipebuffer) diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer.h b/src/gallium/auxiliary/pipebuffer/pb_buffer.h new file mode 100644 index 0000000000..8505d333bd --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer.h @@ -0,0 +1,245 @@ +/************************************************************************** + * + * 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 Jos� 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" + + +#ifdef __cplusplus +extern "C" { +#endif + + +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); + if(!buf) + return NULL; + return buf->vtbl->map(buf, flags); +} + + +static INLINE void +pb_unmap(struct pb_buffer *buf) +{ + assert(buf); + if(!buf) + return; + buf->vtbl->unmap(buf); +} + + +static INLINE void +pb_get_base_buffer( struct pb_buffer *buf, + struct pb_buffer **base_buf, + unsigned *offset ) +{ + assert(buf); + if(!buf) { + base_buf = NULL; + offset = 0; + return; + } + buf->vtbl->get_base_buffer(buf, base_buf, offset); +} + + +static INLINE void +pb_destroy(struct pb_buffer *buf) +{ + assert(buf); + if(!buf) + return; + 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; +} + + +/** + * Utility function to check whether the provided alignment is consistent with + * the requested or not. + */ +static INLINE boolean +pb_check_alignment(size_t requested, size_t provided) +{ + return requested <= provided && (provided % requested) == 0 ? TRUE : FALSE; +} + + +/** + * Utility function to check whether the provided alignment is consistent with + * the requested or not. + */ +static INLINE boolean +pb_check_usage(unsigned requested, unsigned provided) +{ + return (requested & provided) == requested ? TRUE : FALSE; +} + + +/** + * 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); + + +#ifdef __cplusplus +} +#endif + +#endif /*PB_BUFFER_H_*/ diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c new file mode 100644 index 0000000000..410d336fef --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c @@ -0,0 +1,462 @@ +/************************************************************************** + * + * 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 "pipe/p_config.h" + +#if defined(PIPE_OS_LINUX) +#include <unistd.h> +#include <sched.h> +#endif + +#include "pipe/p_compiler.h" +#include "pipe/p_error.h" +#include "pipe/p_debug.h" +#include "pipe/p_winsys.h" +#include "pipe/p_thread.h" +#include "util/u_memory.h" +#include "util/u_double_list.h" + +#include "pb_buffer.h" +#include "pb_buffer_fenced.h" + + + +/** + * Convenience macro (type safe). + */ +#define SUPER(__derived) (&(__derived)->base) + +#define PIPE_BUFFER_USAGE_CPU_READ_WRITE \ + ( PIPE_BUFFER_USAGE_CPU_READ | PIPE_BUFFER_USAGE_CPU_WRITE ) +#define PIPE_BUFFER_USAGE_GPU_READ_WRITE \ + ( PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE ) +#define PIPE_BUFFER_USAGE_WRITE \ + ( PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_GPU_WRITE ) + + +struct fenced_buffer_list +{ + _glthread_Mutex mutex; + + struct pipe_winsys *winsys; + + size_t numDelayed; + + 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; + + /* FIXME: protect access with mutex */ + + /** + * A bitmask of PIPE_BUFFER_USAGE_CPU/GPU_READ/WRITE describing the current + * buffer usage. + */ + unsigned flags; + + unsigned mapcount; + 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 INLINE void +_fenced_buffer_add(struct fenced_buffer *fenced_buf) +{ + struct fenced_buffer_list *fenced_list = fenced_buf->list; + + assert(fenced_buf->base.base.refcount); + assert(fenced_buf->flags & PIPE_BUFFER_USAGE_GPU_READ_WRITE); + assert(fenced_buf->fence); + + assert(!fenced_buf->head.prev); + assert(!fenced_buf->head.next); + LIST_ADDTAIL(&fenced_buf->head, &fenced_list->delayed); + ++fenced_list->numDelayed; +} + + +/** + * Actually destroy the buffer. + */ +static INLINE void +_fenced_buffer_destroy(struct fenced_buffer *fenced_buf) +{ + assert(!fenced_buf->base.base.refcount); + assert(!fenced_buf->fence); + pb_reference(&fenced_buf->buffer, NULL); + FREE(fenced_buf); +} + + +static INLINE void +_fenced_buffer_remove(struct fenced_buffer_list *fenced_list, + struct fenced_buffer *fenced_buf) +{ + struct pipe_winsys *winsys = fenced_list->winsys; + + assert(fenced_buf->fence); + assert(fenced_buf->list == fenced_list); + + winsys->fence_reference(winsys, &fenced_buf->fence, NULL); + fenced_buf->flags &= ~PIPE_BUFFER_USAGE_GPU_READ_WRITE; + + assert(fenced_buf->head.prev); + assert(fenced_buf->head.next); + LIST_DEL(&fenced_buf->head); +#ifdef DEBUG + fenced_buf->head.prev = NULL; + fenced_buf->head.next = NULL; +#endif + + assert(fenced_list->numDelayed); + --fenced_list->numDelayed; + + if(!fenced_buf->base.base.refcount) + _fenced_buffer_destroy(fenced_buf); +} + + +static INLINE enum pipe_error +_fenced_buffer_finish(struct fenced_buffer *fenced_buf) +{ + struct fenced_buffer_list *fenced_list = fenced_buf->list; + struct pipe_winsys *winsys = fenced_list->winsys; + +#if 0 + debug_warning("waiting for GPU"); +#endif + + assert(fenced_buf->fence); + if(fenced_buf->fence) { + if(winsys->fence_finish(winsys, fenced_buf->fence, 0) != 0) { + return PIPE_ERROR; + } + /* Remove from the fenced list */ + /* TODO: remove consequents */ + _fenced_buffer_remove(fenced_list, fenced_buf); + } + + fenced_buf->flags &= ~PIPE_BUFFER_USAGE_GPU_READ_WRITE; + return PIPE_OK; +} + + +/** + * Free as many fenced buffers from the list head as possible. + */ +static void +_fenced_buffer_list_check_free(struct fenced_buffer_list *fenced_list, + int wait) +{ + struct pipe_winsys *winsys = fenced_list->winsys; + struct list_head *curr, *next; + struct fenced_buffer *fenced_buf; + struct pipe_fence_handle *prev_fence = NULL; + + curr = fenced_list->delayed.next; + next = curr->next; + while(curr != &fenced_list->delayed) { + fenced_buf = LIST_ENTRY(struct fenced_buffer, curr, head); + + if(fenced_buf->fence != prev_fence) { + int signaled; + if (wait) + signaled = winsys->fence_finish(winsys, fenced_buf->fence, 0); + else + signaled = winsys->fence_signalled(winsys, fenced_buf->fence, 0); + if (signaled != 0) + break; + prev_fence = fenced_buf->fence; + } + else { + assert(winsys->fence_signalled(winsys, fenced_buf->fence, 0) == 0); + } + + _fenced_buffer_remove(fenced_list, fenced_buf); + + curr = next; + next = curr->next; + } +} + + +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; + + _glthread_LOCK_MUTEX(fenced_list->mutex); + assert(fenced_buf->base.base.refcount == 0); + if (fenced_buf->fence) { + struct pipe_winsys *winsys = fenced_list->winsys; + if(winsys->fence_signalled(winsys, fenced_buf->fence, 0) == 0) { + struct list_head *curr, *prev; + curr = &fenced_buf->head; + prev = curr->prev; + do { + fenced_buf = LIST_ENTRY(struct fenced_buffer, curr, head); + assert(winsys->fence_signalled(winsys, fenced_buf->fence, 0) == 0); + _fenced_buffer_remove(fenced_list, fenced_buf); + curr = prev; + prev = curr->prev; + } while (curr != &fenced_list->delayed); + } + else { + /* delay destruction */ + } + } + else { + _fenced_buffer_destroy(fenced_buf); + } + _glthread_UNLOCK_MUTEX(fenced_list->mutex); +} + + +static void * +fenced_buffer_map(struct pb_buffer *buf, + unsigned flags) +{ + struct fenced_buffer *fenced_buf = fenced_buffer(buf); + void *map; + + assert(!(flags & ~PIPE_BUFFER_USAGE_CPU_READ_WRITE)); + flags &= PIPE_BUFFER_USAGE_CPU_READ_WRITE; + + /* Check for GPU read/write access */ + if(fenced_buf->flags & PIPE_BUFFER_USAGE_GPU_WRITE) { + /* Wait for the GPU to finish writing */ + _fenced_buffer_finish(fenced_buf); + } + +#if 0 + /* Check for CPU write access (read is OK) */ + if(fenced_buf->flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE) { + /* this is legal -- just for debugging */ + debug_warning("concurrent CPU writes"); + } +#endif + + map = pb_map(fenced_buf->buffer, flags); + if(map) { + ++fenced_buf->mapcount; + fenced_buf->flags |= flags; + } + + return map; +} + + +static void +fenced_buffer_unmap(struct pb_buffer *buf) +{ + struct fenced_buffer *fenced_buf = fenced_buffer(buf); + assert(fenced_buf->mapcount); + if(fenced_buf->mapcount) { + pb_unmap(fenced_buf->buffer); + --fenced_buf->mapcount; + if(!fenced_buf->mapcount) + fenced_buf->flags &= ~PIPE_BUFFER_USAGE_CPU_READ_WRITE; + } +} + + +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) { + pb_reference(&buffer, NULL); + 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; + struct fenced_buffer_list *fenced_list; + struct pipe_winsys *winsys; + /* FIXME: receive this as a parameter */ + unsigned flags = fence ? PIPE_BUFFER_USAGE_GPU_READ_WRITE : 0; + + /* This is a public function, so be extra cautious with the buffer passed, + * as happens frequently to receive null buffers, or pointer to buffers + * other than fenced buffers. */ + assert(buf); + if(!buf) + return; + assert(buf->vtbl == &fenced_buffer_vtbl); + if(buf->vtbl != &fenced_buffer_vtbl) + return; + + fenced_buf = fenced_buffer(buf); + fenced_list = fenced_buf->list; + winsys = fenced_list->winsys; + + if(!fence || fence == fenced_buf->fence) { + /* Handle the same fence case specially, not only because it is a fast + * path, but mostly to avoid serializing two writes with the same fence, + * as that would bring the hardware down to synchronous operation without + * any benefit. + */ + fenced_buf->flags |= flags & PIPE_BUFFER_USAGE_GPU_READ_WRITE; + return; + } + + _glthread_LOCK_MUTEX(fenced_list->mutex); + if (fenced_buf->fence) + _fenced_buffer_remove(fenced_list, fenced_buf); + if (fence) { + winsys->fence_reference(winsys, &fenced_buf->fence, fence); + fenced_buf->flags |= flags & PIPE_BUFFER_USAGE_GPU_READ_WRITE; + _fenced_buffer_add(fenced_buf); + } + _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 = CALLOC_STRUCT(fenced_buffer_list); + if (!fenced_list) + return NULL; + + fenced_list->winsys = winsys; + + LIST_INITHEAD(&fenced_list->delayed); + + fenced_list->numDelayed = 0; + + _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); +#if defined(PIPE_OS_LINUX) + sched_yield(); +#endif + _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/auxiliary/pipebuffer/pb_buffer_fenced.h b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.h new file mode 100644 index 0000000000..50d5891bdb --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.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 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" + + +#ifdef __cplusplus +extern "C" { +#endif + + +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); + + +#ifdef __cplusplus +} +#endif + +#endif /*PB_BUFFER_FENCED_H_*/ diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c new file mode 100644 index 0000000000..20fc87b39d --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c @@ -0,0 +1,158 @@ +/************************************************************************** + * + * 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 Jose Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_debug.h" +#include "util/u_memory.h" +#include "pb_buffer.h" +#include "pb_bufmgr.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) { + FREE(buf); + return NULL; + } + + return &buf->base; +} + + +static struct pb_buffer * +pb_malloc_buffer_create_buffer(struct pb_manager *mgr, + size_t size, + const struct pb_desc *desc) +{ + return pb_malloc_buffer_create(size, desc); +} + + +static void +pb_malloc_bufmgr_destroy(struct pb_manager *mgr) +{ + /* No-op */ +} + + +static struct pb_manager +pb_malloc_bufmgr = { + pb_malloc_buffer_create_buffer, + pb_malloc_bufmgr_destroy +}; + + +struct pb_manager * +pb_malloc_bufmgr_create(void) +{ + return &pb_malloc_bufmgr; +} diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h b/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h new file mode 100644 index 0000000000..32867029ee --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h @@ -0,0 +1,192 @@ +/************************************************************************** + * + * 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 "pipe/p_compiler.h" +#include "pipe/p_error.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +struct pb_desc; +struct pipe_buffer; +struct pipe_winsys; + + +/** + * Abstract base class for all buffer managers. + */ +struct pb_manager +{ + struct pb_buffer * + (*create_buffer)( struct pb_manager *mgr, + size_t size, + const struct pb_desc *desc); + + void + (*destroy)( struct pb_manager *mgr ); +}; + + +/** + * Malloc buffer provider. + * + * Simple wrapper around pb_malloc_buffer_create for convenience. + */ +struct pb_manager * +pb_malloc_bufmgr_create(void); + + +/** + * Static buffer pool sub-allocator. + * + * 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); + + +/** + * Static sub-allocator based 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); + + +/** + * Slab sub-allocator. + */ +struct pb_manager * +pb_slab_manager_create(struct pb_manager *provider, + size_t bufSize, + size_t slabSize, + const struct pb_desc *desc); + +/** + * Allow a range of buffer size, by aggregating multiple slabs sub-allocators + * with different bucket sizes. + */ +struct pb_manager * +pb_slab_range_manager_create(struct pb_manager *provider, + size_t minBufSize, + size_t maxBufSize, + size_t slabSize, + const struct pb_desc *desc); + + +/** + * Time-based buffer cache. + * + * This manager keeps a cache of destroyed buffers during a time interval. + */ +struct pb_manager * +pb_cache_manager_create(struct pb_manager *provider, + unsigned usecs); + +void +pb_cache_flush(struct pb_manager *mgr); + + +/** + * 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); + + +struct pb_manager * +pb_alt_manager_create(struct pb_manager *provider1, + struct pb_manager *provider2); + + +/** + * Debug buffer manager to detect buffer under- and overflows. + * + * Band size should be a multiple of the largest alignment + */ +struct pb_manager * +pb_debug_manager_create(struct pb_manager *provider, size_t band_size); + + +#ifdef __cplusplus +} +#endif + +#endif /*PB_BUFMGR_H_*/ diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c new file mode 100644 index 0000000000..2afaeafa1a --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c @@ -0,0 +1,104 @@ +/************************************************************************** + * + * Copyright 2007-2008 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 + * Allocate buffers from two alternative buffer providers. + * + * \author Jose Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_debug.h" +#include "util/u_memory.h" + +#include "pb_buffer.h" +#include "pb_bufmgr.h" + + +struct pb_alt_manager +{ + struct pb_manager base; + + struct pb_manager *provider1; + struct pb_manager *provider2; +}; + + +static INLINE struct pb_alt_manager * +pb_alt_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct pb_alt_manager *)mgr; +} + + +static struct pb_buffer * +pb_alt_manager_create_buffer(struct pb_manager *_mgr, + size_t size, + const struct pb_desc *desc) +{ + struct pb_alt_manager *mgr = pb_alt_manager(_mgr); + struct pb_buffer *buf; + + buf = mgr->provider1->create_buffer(mgr->provider1, size, desc); + if(buf) + return buf; + + buf = mgr->provider2->create_buffer(mgr->provider2, size, desc); + return buf; +} + + +static void +pb_alt_manager_destroy(struct pb_manager *mgr) +{ + FREE(mgr); +} + + +struct pb_manager * +pb_alt_manager_create(struct pb_manager *provider1, + struct pb_manager *provider2) +{ + struct pb_alt_manager *mgr; + + if(!provider1 || !provider2) + return NULL; + + mgr = CALLOC_STRUCT(pb_alt_manager); + if (!mgr) + return NULL; + + mgr->base.destroy = pb_alt_manager_destroy; + mgr->base.create_buffer = pb_alt_manager_create_buffer; + mgr->provider1 = provider1; + mgr->provider2 = provider2; + + return &mgr->base; +} diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c new file mode 100644 index 0000000000..b914c2d0fe --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c @@ -0,0 +1,351 @@ +/************************************************************************** + * + * Copyright 2007-2008 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 cache. + * + * \author José Fonseca <jrfonseca-at-tungstengraphics-dot-com> + * \author Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_debug.h" +#include "pipe/p_winsys.h" +#include "pipe/p_thread.h" +#include "util/u_memory.h" +#include "util/u_double_list.h" +#include "util/u_time.h" + +#include "pb_buffer.h" +#include "pb_bufmgr.h" + + +/** + * Convenience macro (type safe). + */ +#define SUPER(__derived) (&(__derived)->base) + + +struct pb_cache_manager; + + +/** + * Wrapper around a pipe buffer which adds delayed destruction. + */ +struct pb_cache_buffer +{ + struct pb_buffer base; + + struct pb_buffer *buffer; + struct pb_cache_manager *mgr; + + /** Caching time interval */ + struct util_time start, end; + + struct list_head head; +}; + + +struct pb_cache_manager +{ + struct pb_manager base; + + struct pb_manager *provider; + unsigned usecs; + + _glthread_Mutex mutex; + + struct list_head delayed; + size_t numDelayed; +}; + + +static INLINE struct pb_cache_buffer * +pb_cache_buffer(struct pb_buffer *buf) +{ + assert(buf); + return (struct pb_cache_buffer *)buf; +} + + +static INLINE struct pb_cache_manager * +pb_cache_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct pb_cache_manager *)mgr; +} + + +/** + * Actually destroy the buffer. + */ +static INLINE void +_pb_cache_buffer_destroy(struct pb_cache_buffer *buf) +{ + struct pb_cache_manager *mgr = buf->mgr; + + LIST_DEL(&buf->head); + assert(mgr->numDelayed); + --mgr->numDelayed; + assert(!buf->base.base.refcount); + pb_reference(&buf->buffer, NULL); + FREE(buf); +} + + +/** + * Free as many cache buffers from the list head as possible. + */ +static void +_pb_cache_buffer_list_check_free(struct pb_cache_manager *mgr) +{ + struct list_head *curr, *next; + struct pb_cache_buffer *buf; + struct util_time now; + + util_time_get(&now); + + curr = mgr->delayed.next; + next = curr->next; + while(curr != &mgr->delayed) { + buf = LIST_ENTRY(struct pb_cache_buffer, curr, head); + + if(!util_time_timeout(&buf->start, &buf->end, &now)) + break; + + _pb_cache_buffer_destroy(buf); + + curr = next; + next = curr->next; + } +} + + +static void +pb_cache_buffer_destroy(struct pb_buffer *_buf) +{ + struct pb_cache_buffer *buf = pb_cache_buffer(_buf); + struct pb_cache_manager *mgr = buf->mgr; + + _glthread_LOCK_MUTEX(mgr->mutex); + assert(buf->base.base.refcount == 0); + + _pb_cache_buffer_list_check_free(mgr); + + util_time_get(&buf->start); + util_time_add(&buf->start, mgr->usecs, &buf->end); + LIST_ADDTAIL(&buf->head, &mgr->delayed); + ++mgr->numDelayed; + _glthread_UNLOCK_MUTEX(mgr->mutex); +} + + +static void * +pb_cache_buffer_map(struct pb_buffer *_buf, + unsigned flags) +{ + struct pb_cache_buffer *buf = pb_cache_buffer(_buf); + return pb_map(buf->buffer, flags); +} + + +static void +pb_cache_buffer_unmap(struct pb_buffer *_buf) +{ + struct pb_cache_buffer *buf = pb_cache_buffer(_buf); + pb_unmap(buf->buffer); +} + + +static void +pb_cache_buffer_get_base_buffer(struct pb_buffer *_buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + struct pb_cache_buffer *buf = pb_cache_buffer(_buf); + pb_get_base_buffer(buf->buffer, base_buf, offset); +} + + +const struct pb_vtbl +pb_cache_buffer_vtbl = { + pb_cache_buffer_destroy, + pb_cache_buffer_map, + pb_cache_buffer_unmap, + pb_cache_buffer_get_base_buffer +}; + + +static INLINE boolean +pb_cache_is_buffer_compat(struct pb_cache_buffer *buf, + size_t size, + const struct pb_desc *desc) +{ + if(buf->base.base.size < size) + return FALSE; + + /* be lenient with size */ + if(buf->base.base.size >= 2*size) + return FALSE; + + if(!pb_check_alignment(desc->alignment, buf->base.base.alignment)) + return FALSE; + + if(!pb_check_usage(desc->usage, buf->base.base.usage)) + return FALSE; + + return TRUE; +} + + +static struct pb_buffer * +pb_cache_manager_create_buffer(struct pb_manager *_mgr, + size_t size, + const struct pb_desc *desc) +{ + struct pb_cache_manager *mgr = pb_cache_manager(_mgr); + struct pb_cache_buffer *buf; + struct pb_cache_buffer *curr_buf; + struct list_head *curr, *next; + struct util_time now; + + _glthread_LOCK_MUTEX(mgr->mutex); + + buf = NULL; + curr = mgr->delayed.next; + next = curr->next; + + /* search in the expired buffers, freeing them in the process */ + util_time_get(&now); + while(curr != &mgr->delayed) { + curr_buf = LIST_ENTRY(struct pb_cache_buffer, curr, head); + if(!buf && pb_cache_is_buffer_compat(curr_buf, size, desc)) + buf = curr_buf; + else if(util_time_timeout(&curr_buf->start, &curr_buf->end, &now)) + _pb_cache_buffer_destroy(curr_buf); + curr = next; + next = curr->next; + } + + /* keep searching in the hot buffers */ + while(!buf && curr != &mgr->delayed) { + curr_buf = LIST_ENTRY(struct pb_cache_buffer, curr, head); + if(pb_cache_is_buffer_compat(curr_buf, size, desc)) + buf = curr_buf; + curr = next; + next = curr->next; + } + + if(buf) { + LIST_DEL(&buf->head); + _glthread_UNLOCK_MUTEX(mgr->mutex); + ++buf->base.base.refcount; + return &buf->base; + } + + _glthread_UNLOCK_MUTEX(mgr->mutex); + + buf = CALLOC_STRUCT(pb_cache_buffer); + if(!buf) + return NULL; + + buf->buffer = mgr->provider->create_buffer(mgr->provider, size, desc); + if(!buf->buffer) { + FREE(buf); + return NULL; + } + + assert(buf->buffer->base.refcount >= 1); + assert(pb_check_alignment(desc->alignment, buf->buffer->base.alignment)); + assert(pb_check_usage(desc->usage, buf->buffer->base.usage)); + assert(buf->buffer->base.size >= size); + + buf->base.base.refcount = 1; + buf->base.base.alignment = buf->buffer->base.alignment; + buf->base.base.usage = buf->buffer->base.usage; + buf->base.base.size = buf->buffer->base.size; + + buf->base.vtbl = &pb_cache_buffer_vtbl; + buf->mgr = mgr; + + return &buf->base; +} + + +void +pb_cache_flush(struct pb_manager *_mgr) +{ + struct pb_cache_manager *mgr = pb_cache_manager(_mgr); + struct list_head *curr, *next; + struct pb_cache_buffer *buf; + + _glthread_LOCK_MUTEX(mgr->mutex); + curr = mgr->delayed.next; + next = curr->next; + while(curr != &mgr->delayed) { + buf = LIST_ENTRY(struct pb_cache_buffer, curr, head); + _pb_cache_buffer_destroy(buf); + curr = next; + next = curr->next; + } + _glthread_UNLOCK_MUTEX(mgr->mutex); +} + + +static void +pb_cache_manager_destroy(struct pb_manager *mgr) +{ + pb_cache_flush(mgr); + FREE(mgr); +} + + +struct pb_manager * +pb_cache_manager_create(struct pb_manager *provider, + unsigned usecs) +{ + struct pb_cache_manager *mgr; + + if(!provider) + return NULL; + + mgr = CALLOC_STRUCT(pb_cache_manager); + if (!mgr) + return NULL; + + mgr->base.destroy = pb_cache_manager_destroy; + mgr->base.create_buffer = pb_cache_manager_create_buffer; + mgr->provider = provider; + mgr->usecs = usecs; + LIST_INITHEAD(&mgr->delayed); + mgr->numDelayed = 0; + _glthread_INIT_MUTEX(mgr->mutex); + + return &mgr->base; +} diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c new file mode 100644 index 0000000000..4cb8c3bb55 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c @@ -0,0 +1,317 @@ +/************************************************************************** + * + * Copyright 2007-2008 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 + * Debug buffer manager to detect buffer under- and overflows. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_debug.h" +#include "pipe/p_winsys.h" +#include "pipe/p_thread.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "util/u_double_list.h" +#include "util/u_time.h" + +#include "pb_buffer.h" +#include "pb_bufmgr.h" + + +#ifdef DEBUG + + +/** + * Convenience macro (type safe). + */ +#define SUPER(__derived) (&(__derived)->base) + + +struct pb_debug_manager; + + +/** + * Wrapper around a pipe buffer which adds delayed destruction. + */ +struct pb_debug_buffer +{ + struct pb_buffer base; + + struct pb_buffer *buffer; + struct pb_debug_manager *mgr; + + size_t underflow_size; + size_t overflow_size; +}; + + +struct pb_debug_manager +{ + struct pb_manager base; + + struct pb_manager *provider; + + size_t band_size; +}; + + +static INLINE struct pb_debug_buffer * +pb_debug_buffer(struct pb_buffer *buf) +{ + assert(buf); + return (struct pb_debug_buffer *)buf; +} + + +static INLINE struct pb_debug_manager * +pb_debug_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct pb_debug_manager *)mgr; +} + + +static const uint8_t random_pattern[32] = { + 0xaf, 0xcf, 0xa5, 0xa2, 0xc2, 0x63, 0x15, 0x1a, + 0x7e, 0xe2, 0x7e, 0x84, 0x15, 0x49, 0xa2, 0x1e, + 0x49, 0x63, 0xf5, 0x52, 0x74, 0x66, 0x9e, 0xc4, + 0x6d, 0xcf, 0x2c, 0x4a, 0x74, 0xe6, 0xfd, 0x94 +}; + + +static INLINE void +fill_random_pattern(uint8_t *dst, size_t size) +{ + size_t i = 0; + while(size--) { + *dst++ = random_pattern[i++]; + i &= sizeof(random_pattern) - 1; + } +} + + +static INLINE boolean +check_random_pattern(const uint8_t *dst, size_t size, + size_t *min_ofs, size_t *max_ofs) +{ + boolean result = TRUE; + size_t i; + *min_ofs = size; + *max_ofs = 0; + for(i = 0; i < size; ++i) { + if(*dst++ != random_pattern[i % sizeof(random_pattern)]) { + *min_ofs = MIN2(*min_ofs, i); + *max_ofs = MIN2(*max_ofs, i); + result = FALSE; + } + } + return result; +} + + +static void +pb_debug_buffer_destroy(struct pb_buffer *_buf) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + uint8_t *map; + + assert(!buf->base.base.refcount); + + map = pb_map(buf->buffer, PIPE_BUFFER_USAGE_CPU_READ); + assert(map); + if(map) { + boolean underflow, overflow; + size_t min_ofs, max_ofs; + + underflow = !check_random_pattern(map, buf->underflow_size, + &min_ofs, &max_ofs); + if(underflow) { + debug_printf("buffer underflow (%u of %u bytes) detected\n", + buf->underflow_size - min_ofs, + buf->underflow_size); + } + + overflow = !check_random_pattern(map + buf->underflow_size + buf->base.base.size, + buf->overflow_size, + &min_ofs, &max_ofs); + if(overflow) { + debug_printf("buffer overflow (%u of %u bytes) detected\n", + max_ofs, + buf->overflow_size); + } + + debug_assert(!underflow && !overflow); + + pb_unmap(buf->buffer); + } + + pb_reference(&buf->buffer, NULL); + FREE(buf); +} + + +static void * +pb_debug_buffer_map(struct pb_buffer *_buf, + unsigned flags) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + void *map = pb_map(buf->buffer, flags); + if(!map) + return NULL; + return (uint8_t *)map + buf->underflow_size; +} + + +static void +pb_debug_buffer_unmap(struct pb_buffer *_buf) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + pb_unmap(buf->buffer); +} + + +static void +pb_debug_buffer_get_base_buffer(struct pb_buffer *_buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + pb_get_base_buffer(buf->buffer, base_buf, offset); + *offset += buf->underflow_size; +} + + +const struct pb_vtbl +pb_debug_buffer_vtbl = { + pb_debug_buffer_destroy, + pb_debug_buffer_map, + pb_debug_buffer_unmap, + pb_debug_buffer_get_base_buffer +}; + + +static struct pb_buffer * +pb_debug_manager_create_buffer(struct pb_manager *_mgr, + size_t size, + const struct pb_desc *desc) +{ + struct pb_debug_manager *mgr = pb_debug_manager(_mgr); + struct pb_debug_buffer *buf; + struct pb_desc real_desc; + size_t real_size; + uint8_t *map; + + buf = CALLOC_STRUCT(pb_debug_buffer); + if(!buf) + return NULL; + + real_size = size + 2*mgr->band_size; + real_desc = *desc; + real_desc.usage |= PIPE_BUFFER_USAGE_CPU_WRITE; + real_desc.usage |= PIPE_BUFFER_USAGE_CPU_READ; + + buf->buffer = mgr->provider->create_buffer(mgr->provider, + real_size, + &real_desc); + if(!buf->buffer) { + FREE(buf); + return NULL; + } + + assert(buf->buffer->base.refcount >= 1); + assert(pb_check_alignment(real_desc.alignment, buf->buffer->base.alignment)); + assert(pb_check_usage(real_desc.usage, buf->buffer->base.usage)); + assert(buf->buffer->base.size >= real_size); + + 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 = &pb_debug_buffer_vtbl; + buf->mgr = mgr; + + buf->underflow_size = mgr->band_size; + buf->overflow_size = buf->buffer->base.size - buf->underflow_size - size; + + map = pb_map(buf->buffer, PIPE_BUFFER_USAGE_CPU_WRITE); + assert(map); + if(map) { + fill_random_pattern(map, buf->underflow_size); + fill_random_pattern(map + buf->underflow_size + size, buf->overflow_size); + pb_unmap(buf->buffer); + } + + return &buf->base; +} + + +static void +pb_debug_manager_destroy(struct pb_manager *_mgr) +{ + struct pb_debug_manager *mgr = pb_debug_manager(_mgr); + mgr->provider->destroy(mgr->provider); + FREE(mgr); +} + + +struct pb_manager * +pb_debug_manager_create(struct pb_manager *provider, size_t band_size) +{ + struct pb_debug_manager *mgr; + + if(!provider) + return NULL; + + mgr = CALLOC_STRUCT(pb_debug_manager); + if (!mgr) + return NULL; + + mgr->base.destroy = pb_debug_manager_destroy; + mgr->base.create_buffer = pb_debug_manager_create_buffer; + mgr->provider = provider; + mgr->band_size = band_size; + + return &mgr->base; +} + + +#else /* !DEBUG */ + + +struct pb_manager * +pb_debug_manager_create(struct pb_manager *provider, size_t band_size) +{ + return provider; +} + + +#endif /* !DEBUG */ diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c new file mode 100644 index 0000000000..8fc63ce648 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c @@ -0,0 +1,135 @@ +/************************************************************************** + * + * 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 "pipe/p_debug.h" +#include "util/u_memory.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); + + if(fenced_mgr->provider) + 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; + + if(!provider) + return NULL; + + fenced_mgr = CALLOC_STRUCT(fenced_pb_manager); + 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/auxiliary/pipebuffer/pb_bufmgr_mm.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c new file mode 100644 index 0000000000..b40eb6cc90 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c @@ -0,0 +1,291 @@ +/************************************************************************** + * + * Copyright 2006 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 manager using the old texture memory manager. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_defines.h" +#include "pipe/p_debug.h" +#include "pipe/p_thread.h" +#include "util/u_memory.h" +#include "util/u_double_list.h" +#include "util/u_mm.h" +#include "pb_buffer.h" +#include "pb_bufmgr.h" + + +/** + * Convenience macro (type safe). + */ +#define SUPER(__derived) (&(__derived)->base) + + +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) { + FREE(mm_buf); + _glthread_UNLOCK_MUTEX(mm->mutex); + return NULL; + } + } + + /* Some sanity checks */ + assert(0 <= (unsigned)mm_buf->block->ofs && (unsigned)mm_buf->block->ofs < mm->size); + assert(size <= (unsigned)mm_buf->block->size && (unsigned)mm_buf->block->ofs + (unsigned)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; + + if(!provider) + return NULL; + + 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/auxiliary/pipebuffer/pb_bufmgr_pool.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c new file mode 100644 index 0000000000..93d2cc9635 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c @@ -0,0 +1,290 @@ +/************************************************************************** + * + * 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 "pipe/p_compiler.h" +#include "pipe/p_debug.h" +#include "pipe/p_thread.h" +#include "pipe/p_defines.h" +#include "util/u_memory.h" +#include "util/u_double_list.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; + + if(!provider) + return NULL; + + pool = CALLOC_STRUCT(pool_pb_manager); + 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/auxiliary/pipebuffer/pb_bufmgr_slab.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c new file mode 100644 index 0000000000..af307e265a --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c @@ -0,0 +1,487 @@ +/************************************************************************** + * + * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX., 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 + * S-lab pool implementation. + * + * @author Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> + * @author Jose Fonseca <jrfonseca@tungstengraphics.com> + */ + +#include "pipe/p_compiler.h" +#include "pipe/p_error.h" +#include "pipe/p_debug.h" +#include "pipe/p_thread.h" +#include "pipe/p_defines.h" +#include "util/u_memory.h" +#include "util/u_double_list.h" +#include "util/u_time.h" + +#include "pb_buffer.h" +#include "pb_bufmgr.h" + + +struct pb_slab; + +struct pb_slab_buffer +{ + struct pb_buffer base; + + struct pb_slab *slab; + struct list_head head; + unsigned mapCount; + size_t start; + _glthread_Cond event; +}; + +struct pb_slab +{ + struct list_head head; + struct list_head freeBuffers; + size_t numBuffers; + size_t numFree; + struct pb_slab_buffer *buffers; + struct pb_slab_manager *mgr; + + struct pb_buffer *bo; + void *virtual; +}; + +struct pb_slab_manager +{ + struct pb_manager base; + + struct pb_manager *provider; + size_t bufSize; + size_t slabSize; + struct pb_desc desc; + + struct list_head slabs; + struct list_head freeSlabs; + + _glthread_Mutex mutex; +}; + +/** + * The data of this structure remains constant after + * initialization and thus needs no mutex protection. + */ +struct pb_slab_range_manager +{ + struct pb_manager base; + + struct pb_manager *provider; + size_t minBufSize; + size_t maxBufSize; + struct pb_desc desc; + + unsigned numBuckets; + size_t *bucketSizes; + struct pb_manager **buckets; +}; + + +static INLINE struct pb_slab_buffer * +pb_slab_buffer(struct pb_buffer *buf) +{ + assert(buf); + return (struct pb_slab_buffer *)buf; +} + + +static INLINE struct pb_slab_manager * +pb_slab_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct pb_slab_manager *)mgr; +} + + +static INLINE struct pb_slab_range_manager * +pb_slab_range_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct pb_slab_range_manager *)mgr; +} + + +/** + * Delete a buffer from the slab delayed list and put + * it on the slab FREE list. + */ +static void +pb_slab_buffer_destroy(struct pb_buffer *_buf) +{ + struct pb_slab_buffer *buf = pb_slab_buffer(_buf); + struct pb_slab *slab = buf->slab; + struct pb_slab_manager *mgr = slab->mgr; + struct list_head *list = &buf->head; + + _glthread_LOCK_MUTEX(mgr->mutex); + + assert(buf->base.base.refcount == 0); + + buf->mapCount = 0; + + LIST_DEL(list); + LIST_ADDTAIL(list, &slab->freeBuffers); + slab->numFree++; + + if (slab->head.next == &slab->head) + LIST_ADDTAIL(&slab->head, &mgr->slabs); + + if (slab->numFree == slab->numBuffers) { + list = &slab->head; + LIST_DEL(list); + LIST_ADDTAIL(list, &mgr->freeSlabs); + } + + if (mgr->slabs.next == &mgr->slabs || slab->numFree + != slab->numBuffers) { + + struct list_head *next; + + for (list = mgr->freeSlabs.next, next = list->next; list + != &mgr->freeSlabs; list = next, next = list->next) { + + slab = LIST_ENTRY(struct pb_slab, list, head); + + LIST_DELINIT(list); + pb_reference(&slab->bo, NULL); + FREE(slab->buffers); + FREE(slab); + } + } + + _glthread_UNLOCK_MUTEX(mgr->mutex); +} + + +static void * +pb_slab_buffer_map(struct pb_buffer *_buf, + unsigned flags) +{ + struct pb_slab_buffer *buf = pb_slab_buffer(_buf); + + ++buf->mapCount; + return (void *) ((uint8_t *) buf->slab->virtual + buf->start); +} + + +static void +pb_slab_buffer_unmap(struct pb_buffer *_buf) +{ + struct pb_slab_buffer *buf = pb_slab_buffer(_buf); + + --buf->mapCount; + if (buf->mapCount == 0) + _glthread_COND_BROADCAST(buf->event); +} + + +static void +pb_slab_buffer_get_base_buffer(struct pb_buffer *_buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + struct pb_slab_buffer *buf = pb_slab_buffer(_buf); + pb_get_base_buffer(buf->slab->bo, base_buf, offset); + *offset += buf->start; +} + + +static const struct pb_vtbl +pb_slab_buffer_vtbl = { + pb_slab_buffer_destroy, + pb_slab_buffer_map, + pb_slab_buffer_unmap, + pb_slab_buffer_get_base_buffer +}; + + +static enum pipe_error +pb_slab_create(struct pb_slab_manager *mgr) +{ + struct pb_slab *slab; + struct pb_slab_buffer *buf; + unsigned numBuffers; + unsigned i; + enum pipe_error ret; + + slab = CALLOC_STRUCT(pb_slab); + if (!slab) + return PIPE_ERROR_OUT_OF_MEMORY; + + /* + * FIXME: We should perhaps allow some variation in slabsize in order + * to efficiently reuse slabs. + */ + + slab->bo = mgr->provider->create_buffer(mgr->provider, mgr->slabSize, &mgr->desc); + if(!slab->bo) { + ret = PIPE_ERROR_OUT_OF_MEMORY; + goto out_err0; + } + + slab->virtual = pb_map(slab->bo, + PIPE_BUFFER_USAGE_CPU_READ | + PIPE_BUFFER_USAGE_CPU_WRITE); + if(!slab->virtual) { + ret = PIPE_ERROR_OUT_OF_MEMORY; + goto out_err1; + } + + pb_unmap(slab->bo); + + numBuffers = slab->bo->base.size / mgr->bufSize; + + slab->buffers = CALLOC(numBuffers, sizeof(*slab->buffers)); + if (!slab->buffers) { + ret = PIPE_ERROR_OUT_OF_MEMORY; + goto out_err1; + } + + LIST_INITHEAD(&slab->head); + LIST_INITHEAD(&slab->freeBuffers); + slab->numBuffers = numBuffers; + slab->numFree = 0; + slab->mgr = mgr; + + buf = slab->buffers; + for (i=0; i < numBuffers; ++i) { + buf->base.base.refcount = 0; + buf->base.base.size = mgr->bufSize; + buf->base.base.alignment = 0; + buf->base.base.usage = 0; + buf->base.vtbl = &pb_slab_buffer_vtbl; + buf->slab = slab; + buf->start = i* mgr->bufSize; + buf->mapCount = 0; + _glthread_INIT_COND(buf->event); + LIST_ADDTAIL(&buf->head, &slab->freeBuffers); + slab->numFree++; + buf++; + } + + LIST_ADDTAIL(&slab->head, &mgr->slabs); + + return PIPE_OK; + +out_err1: + pb_reference(&slab->bo, NULL); +out_err0: + FREE(slab); + return ret; +} + + +static struct pb_buffer * +pb_slab_manager_create_buffer(struct pb_manager *_mgr, + size_t size, + const struct pb_desc *desc) +{ + struct pb_slab_manager *mgr = pb_slab_manager(_mgr); + static struct pb_slab_buffer *buf; + struct pb_slab *slab; + struct list_head *list; + + /* check size */ + assert(size <= mgr->bufSize); + if(size > mgr->bufSize) + return NULL; + + /* check if we can provide the requested alignment */ + assert(pb_check_alignment(desc->alignment, mgr->desc.alignment)); + if(!pb_check_alignment(desc->alignment, mgr->desc.alignment)) + return NULL; + assert(pb_check_alignment(desc->alignment, mgr->bufSize)); + if(!pb_check_alignment(desc->alignment, mgr->bufSize)) + return NULL; + + assert(pb_check_usage(desc->usage, mgr->desc.usage)); + if(!pb_check_usage(desc->usage, mgr->desc.usage)) + return NULL; + + _glthread_LOCK_MUTEX(mgr->mutex); + if (mgr->slabs.next == &mgr->slabs) { + (void) pb_slab_create(mgr); + if (mgr->slabs.next == &mgr->slabs) { + _glthread_UNLOCK_MUTEX(mgr->mutex); + return NULL; + } + } + list = mgr->slabs.next; + slab = LIST_ENTRY(struct pb_slab, list, head); + if (--slab->numFree == 0) + LIST_DELINIT(list); + + list = slab->freeBuffers.next; + LIST_DELINIT(list); + + _glthread_UNLOCK_MUTEX(mgr->mutex); + buf = LIST_ENTRY(struct pb_slab_buffer, list, head); + + ++buf->base.base.refcount; + buf->base.base.alignment = desc->alignment; + buf->base.base.usage = desc->usage; + + return &buf->base; +} + + +static void +pb_slab_manager_destroy(struct pb_manager *_mgr) +{ + struct pb_slab_manager *mgr = pb_slab_manager(_mgr); + + /* TODO: cleanup all allocated buffers */ + FREE(mgr); +} + + +struct pb_manager * +pb_slab_manager_create(struct pb_manager *provider, + size_t bufSize, + size_t slabSize, + const struct pb_desc *desc) +{ + struct pb_slab_manager *mgr; + + mgr = CALLOC_STRUCT(pb_slab_manager); + if (!mgr) + return NULL; + + mgr->base.destroy = pb_slab_manager_destroy; + mgr->base.create_buffer = pb_slab_manager_create_buffer; + + mgr->provider = provider; + mgr->bufSize = bufSize; + mgr->slabSize = slabSize; + mgr->desc = *desc; + + LIST_INITHEAD(&mgr->slabs); + LIST_INITHEAD(&mgr->freeSlabs); + + _glthread_INIT_MUTEX(mgr->mutex); + + return &mgr->base; +} + + +static struct pb_buffer * +pb_slab_range_manager_create_buffer(struct pb_manager *_mgr, + size_t size, + const struct pb_desc *desc) +{ + struct pb_slab_range_manager *mgr = pb_slab_range_manager(_mgr); + size_t bufSize; + unsigned i; + + bufSize = mgr->minBufSize; + for (i = 0; i < mgr->numBuckets; ++i) { + if(bufSize >= size) + return mgr->buckets[i]->create_buffer(mgr->buckets[i], size, desc); + bufSize *= 2; + } + + /* Fall back to allocate a buffer object directly from the provider. */ + return mgr->provider->create_buffer(mgr->provider, size, desc); +} + + +static void +pb_slab_range_manager_destroy(struct pb_manager *_mgr) +{ + struct pb_slab_range_manager *mgr = pb_slab_range_manager(_mgr); + unsigned i; + + for (i = 0; i < mgr->numBuckets; ++i) + mgr->buckets[i]->destroy(mgr->buckets[i]); + FREE(mgr->buckets); + FREE(mgr->bucketSizes); + FREE(mgr); +} + + +struct pb_manager * +pb_slab_range_manager_create(struct pb_manager *provider, + size_t minBufSize, + size_t maxBufSize, + size_t slabSize, + const struct pb_desc *desc) +{ + struct pb_slab_range_manager *mgr; + size_t bufSize; + unsigned i; + + if(!provider) + return NULL; + + mgr = CALLOC_STRUCT(pb_slab_range_manager); + if (!mgr) + goto out_err0; + + mgr->base.destroy = pb_slab_range_manager_destroy; + mgr->base.create_buffer = pb_slab_range_manager_create_buffer; + + mgr->provider = provider; + mgr->minBufSize = minBufSize; + mgr->maxBufSize = maxBufSize; + + mgr->numBuckets = 1; + bufSize = minBufSize; + while(bufSize < maxBufSize) { + bufSize *= 2; + ++mgr->numBuckets; + } + + mgr->buckets = CALLOC(mgr->numBuckets, sizeof(*mgr->buckets)); + if (!mgr->buckets) + goto out_err1; + + bufSize = minBufSize; + for (i = 0; i < mgr->numBuckets; ++i) { + mgr->buckets[i] = pb_slab_manager_create(provider, bufSize, slabSize, desc); + if(!mgr->buckets[i]) + goto out_err2; + bufSize *= 2; + } + + return &mgr->base; + +out_err2: + for (i = 0; i < mgr->numBuckets; ++i) + if(mgr->buckets[i]) + mgr->buckets[i]->destroy(mgr->buckets[i]); + FREE(mgr->buckets); +out_err1: + FREE(mgr); +out_err0: + return NULL; +} diff --git a/src/gallium/auxiliary/pipebuffer/pb_validate.c b/src/gallium/auxiliary/pipebuffer/pb_validate.c new file mode 100644 index 0000000000..1e54fc39d4 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_validate.c @@ -0,0 +1,153 @@ +/************************************************************************** + * + * Copyright 2008 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 validation. + * + * @author Jose Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_error.h" +#include "util/u_memory.h" +#include "pipe/p_debug.h" + +#include "pb_buffer.h" +#include "pb_buffer_fenced.h" +#include "pb_validate.h" + + +#define PB_VALIDATE_INITIAL_SIZE 1 /* 512 */ + + +struct pb_validate +{ + struct pb_buffer **buffers; + unsigned used; + unsigned size; +}; + + +enum pipe_error +pb_validate_add_buffer(struct pb_validate *vl, + struct pb_buffer *buf) +{ + assert(buf); + if(!buf) + return PIPE_ERROR; + + /* We only need to store one reference for each buffer, so avoid storing + * consecutive references for the same buffer. It might not be the more + * common pasttern, but it is easy to implement. + */ + if(vl->used && vl->buffers[vl->used - 1] == buf) { + return PIPE_OK; + } + + /* Grow the table */ + if(vl->used == vl->size) { + unsigned new_size; + struct pb_buffer **new_buffers; + + new_size = vl->size * 2; + if(!new_size) + return PIPE_ERROR_OUT_OF_MEMORY; + + new_buffers = (struct pb_buffer **)REALLOC(vl->buffers, + vl->size*sizeof(struct pb_buffer *), + new_size*sizeof(struct pb_buffer *)); + if(!new_buffers) + return PIPE_ERROR_OUT_OF_MEMORY; + + memset(new_buffers + vl->size, 0, (new_size - vl->size)*sizeof(struct pb_buffer *)); + + vl->size = new_size; + vl->buffers = new_buffers; + } + + assert(!vl->buffers[vl->used]); + pb_reference(&vl->buffers[vl->used], buf); + ++vl->used; + + return PIPE_OK; +} + + +enum pipe_error +pb_validate_validate(struct pb_validate *vl) +{ + /* FIXME: go through each buffer, ensure its not mapped, its address is + * available -- requires a new pb_buffer interface */ + return PIPE_OK; +} + + +void +pb_validate_fence(struct pb_validate *vl, + struct pipe_fence_handle *fence) +{ + unsigned i; + for(i = 0; i < vl->used; ++i) { + buffer_fence(vl->buffers[i], fence); + pb_reference(&vl->buffers[i], NULL); + } + vl->used = 0; +} + + +void +pb_validate_destroy(struct pb_validate *vl) +{ + unsigned i; + for(i = 0; i < vl->used; ++i) + pb_reference(&vl->buffers[i], NULL); + FREE(vl->buffers); + FREE(vl); +} + + +struct pb_validate * +pb_validate_create() +{ + struct pb_validate *vl; + + vl = CALLOC_STRUCT(pb_validate); + if(!vl) + return NULL; + + vl->size = PB_VALIDATE_INITIAL_SIZE; + vl->buffers = (struct pb_buffer **)CALLOC(vl->size, sizeof(struct pb_buffer *)); + if(!vl->buffers) { + FREE(vl); + return NULL; + } + + return vl; +} + diff --git a/src/gallium/auxiliary/pipebuffer/pb_validate.h b/src/gallium/auxiliary/pipebuffer/pb_validate.h new file mode 100644 index 0000000000..3db1d5330b --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_validate.h @@ -0,0 +1,91 @@ +/************************************************************************** + * + * Copyright 2008 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 validation. + * + * @author Jose Fonseca <jrfonseca@tungstengraphics.com> + */ + +#ifndef PB_VALIDATE_H_ +#define PB_VALIDATE_H_ + + +#include "pipe/p_compiler.h" +#include "pipe/p_error.h" + +#ifdef __cplusplus +extern "C" { +#endif + + +struct pb_buffer; +struct pipe_fence_handle; + + +/** + * Buffer validation list. + * + * It holds a list of buffers to be validated and fenced when flushing. + */ +struct pb_validate; + + +enum pipe_error +pb_validate_add_buffer(struct pb_validate *vl, + struct pb_buffer *buf); + +/** + * Validate all buffers for hardware access. + * + * Should be called right before issuing commands to the hardware. + */ +enum pipe_error +pb_validate_validate(struct pb_validate *vl); + +/** + * Fence all buffers and clear the list. + * + * Should be called right before issuing commands to the hardware. + */ +void +pb_validate_fence(struct pb_validate *vl, + struct pipe_fence_handle *fence); + +struct pb_validate * +pb_validate_create(void); + +void +pb_validate_destroy(struct pb_validate *vl); + + +#ifdef __cplusplus +} +#endif + +#endif /*PB_VALIDATE_H_*/ diff --git a/src/gallium/auxiliary/pipebuffer/pb_winsys.c b/src/gallium/auxiliary/pipebuffer/pb_winsys.c new file mode 100644 index 0000000000..28d137dbc4 --- /dev/null +++ b/src/gallium/auxiliary/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 "util/u_memory.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; +} |