From e06474dbae6979177629fb6187331291ff230c65 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Fonseca?= Date: Mon, 24 Nov 2008 13:59:06 +0900 Subject: [PATCH] pipebuffer: Implement proper buffer validation. --- src/gallium/auxiliary/pipebuffer/pb_buffer.h | 36 ++++- .../auxiliary/pipebuffer/pb_buffer_fenced.c | 150 +++++++++++++-------- .../auxiliary/pipebuffer/pb_buffer_fenced.h | 21 +-- .../auxiliary/pipebuffer/pb_buffer_malloc.c | 20 +++ src/gallium/auxiliary/pipebuffer/pb_bufmgr.h | 2 +- src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c | 23 +++- src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c | 26 +++- .../auxiliary/pipebuffer/pb_bufmgr_fenced.c | 2 +- src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c | 25 +++- src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c | 25 +++- src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c | 21 +++ src/gallium/auxiliary/pipebuffer/pb_validate.c | 84 +++++++++--- src/gallium/auxiliary/pipebuffer/pb_validate.h | 10 +- src/gallium/auxiliary/pipebuffer/pb_winsys.c | 22 ++- 14 files changed, 359 insertions(+), 108 deletions(-) diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer.h b/src/gallium/auxiliary/pipebuffer/pb_buffer.h index fb0ba15..7cba5fa 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_buffer.h +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer.h @@ -37,7 +37,7 @@ * 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 + * \author Jose Fonseca */ #ifndef PB_BUFFER_H_ @@ -46,6 +46,7 @@ #include "pipe/p_compiler.h" #include "pipe/p_debug.h" +#include "pipe/p_error.h" #include "pipe/p_state.h" #include "pipe/p_inlines.h" @@ -56,6 +57,8 @@ extern "C" { struct pb_vtbl; +struct pb_validate; + /** * Buffer description. @@ -104,6 +107,13 @@ struct pb_vtbl void (*unmap)( struct pb_buffer *buf ); + enum pipe_error (*validate)( struct pb_buffer *buf, + struct pb_validate *vl, + unsigned flags ); + + void (*fence)( struct pb_buffer *buf, + struct pipe_fence_handle *fence ); + /** * Get the base buffer and the offset. * @@ -118,6 +128,7 @@ struct pb_vtbl void (*get_base_buffer)( struct pb_buffer *buf, struct pb_buffer **base_buf, unsigned *offset ); + }; @@ -176,12 +187,35 @@ pb_get_base_buffer( struct pb_buffer *buf, return; } assert(buf->base.refcount > 0); + assert(buf->vtbl->get_base_buffer); buf->vtbl->get_base_buffer(buf, base_buf, offset); assert(*base_buf); assert(*offset < (*base_buf)->base.size); } +static INLINE enum pipe_error +pb_validate(struct pb_buffer *buf, struct pb_validate *vl, unsigned flags) +{ + assert(buf); + if(!buf) + return PIPE_ERROR; + assert(buf->vtbl->validate); + return buf->vtbl->validate(buf, vl, flags); +} + + +static INLINE void +pb_fence(struct pb_buffer *buf, struct pipe_fence_handle *fence) +{ + assert(buf); + if(!buf) + return; + assert(buf->vtbl->fence); + buf->vtbl->fence(buf, fence); +} + + static INLINE void pb_destroy(struct pb_buffer *buf) { diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c index 17b2781..aa4b096 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c @@ -29,7 +29,7 @@ * \file * Implementation of fenced buffers. * - * \author José Fonseca + * \author Jose Fonseca * \author Thomas Hellström */ @@ -59,13 +59,6 @@ */ #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 { @@ -97,6 +90,8 @@ struct fenced_buffer unsigned flags; unsigned mapcount; + struct pb_validate *vl; + unsigned validation_flags; struct pipe_fence_handle *fence; struct list_head head; @@ -108,7 +103,6 @@ static INLINE struct fenced_buffer * fenced_buffer(struct pb_buffer *buf) { assert(buf); - assert(buf->vtbl == &fenced_buffer_vtbl); return (struct fenced_buffer *)buf; } @@ -274,6 +268,7 @@ fenced_buffer_map(struct pb_buffer *buf, struct fenced_buffer *fenced_buf = fenced_buffer(buf); void *map; + assert(flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE); assert(!(flags & ~PIPE_BUFFER_USAGE_CPU_READ_WRITE)); flags &= PIPE_BUFFER_USAGE_CPU_READ_WRITE; @@ -315,6 +310,93 @@ fenced_buffer_unmap(struct pb_buffer *buf) } +static enum pipe_error +fenced_buffer_validate(struct pb_buffer *buf, + struct pb_validate *vl, + unsigned flags) +{ + struct fenced_buffer *fenced_buf = fenced_buffer(buf); + enum pipe_error ret; + + if(!vl) { + /* invalidate */ + fenced_buf->vl = NULL; + fenced_buf->validation_flags = 0; + return PIPE_OK; + } + + assert(flags & PIPE_BUFFER_USAGE_GPU_READ_WRITE); + assert(!(flags & ~PIPE_BUFFER_USAGE_GPU_READ_WRITE)); + flags &= PIPE_BUFFER_USAGE_GPU_READ_WRITE; + + /* Buffer cannot be validated in two different lists */ + if(fenced_buf->vl && fenced_buf->vl != vl) + return PIPE_ERROR_RETRY; + + /* Do not validate if buffer is still mapped */ + if(fenced_buf->flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE) { + /* TODO: wait for the thread that mapped the buffer to unmap it */ + return PIPE_ERROR_RETRY; + } + + if(fenced_buf->vl == vl && + (fenced_buf->validation_flags & flags) == flags) { + /* Nothing to do -- buffer already validated */ + return PIPE_OK; + } + + /* Final sanity checking */ + assert(!(fenced_buf->flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE)); + assert(!fenced_buf->mapcount); + + ret = pb_validate(fenced_buf->buffer, vl, flags); + if (ret != PIPE_OK) + return ret; + + fenced_buf->vl = vl; + fenced_buf->validation_flags |= flags; + + return PIPE_OK; +} + + +static void +fenced_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; + + fenced_buf = fenced_buffer(buf); + fenced_list = fenced_buf->list; + winsys = fenced_list->winsys; + + if(fence == fenced_buf->fence) { + /* Nothing to do */ + return; + } + + assert(fenced_buf->vl); + assert(fenced_buf->validation_flags); + + pipe_mutex_lock(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 |= fenced_buf->validation_flags; + _fenced_buffer_add(fenced_buf); + } + pipe_mutex_unlock(fenced_list->mutex); + + pb_fence(fenced_buf->buffer, fence); + + fenced_buf->vl = NULL; + fenced_buf->validation_flags = 0; +} + + static void fenced_buffer_get_base_buffer(struct pb_buffer *buf, struct pb_buffer **base_buf, @@ -325,11 +407,13 @@ fenced_buffer_get_base_buffer(struct pb_buffer *buf, } -const struct pb_vtbl +static const struct pb_vtbl fenced_buffer_vtbl = { fenced_buffer_destroy, fenced_buffer_map, fenced_buffer_unmap, + fenced_buffer_validate, + fenced_buffer_fence, fenced_buffer_get_base_buffer }; @@ -362,52 +446,6 @@ fenced_buffer_create(struct fenced_buffer_list *fenced_list, } -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; - } - - pipe_mutex_lock(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); - } - pipe_mutex_unlock(fenced_list->mutex); -} - - struct fenced_buffer_list * fenced_buffer_list_create(struct pipe_winsys *winsys) { diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.h b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.h index 50d5891..b15c676 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.h +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.h @@ -44,7 +44,7 @@ * Between the handle's destruction, and the fence signalling, the buffer is * stored in a fenced buffer list. * - * \author José Fonseca + * \author Jose Fonseca */ #ifndef PB_BUFFER_FENCED_H_ @@ -71,14 +71,6 @@ 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. @@ -108,17 +100,6 @@ 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 diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c index 1bf22a2..53f497c 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c @@ -81,6 +81,24 @@ malloc_buffer_unmap(struct pb_buffer *buf) } +static enum pipe_error +malloc_buffer_validate(struct pb_buffer *buf, + struct pb_validate *vl, + unsigned flags) +{ + assert(0); + return PIPE_ERROR; +} + + +static void +malloc_buffer_fence(struct pb_buffer *buf, + struct pipe_fence_handle *fence) +{ + assert(0); +} + + static void malloc_buffer_get_base_buffer(struct pb_buffer *buf, struct pb_buffer **base_buf, @@ -96,6 +114,8 @@ malloc_buffer_vtbl = { malloc_buffer_destroy, malloc_buffer_map, malloc_buffer_unmap, + malloc_buffer_validate, + malloc_buffer_fence, malloc_buffer_get_base_buffer }; diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h b/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h index cafbee0..8fe2704 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h @@ -43,7 +43,7 @@ * - the fenced buffer manager, which will delay buffer destruction until the * the moment the card finishing processing it. * - * \author José Fonseca + * \author Jose Fonseca */ #ifndef PB_BUFMGR_H_ diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c index 8f11887..f57a7bf 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c @@ -29,7 +29,7 @@ * \file * Buffer cache. * - * \author José Fonseca + * \author Jose Fonseca * \author Thomas Hellström */ @@ -183,6 +183,25 @@ pb_cache_buffer_unmap(struct pb_buffer *_buf) } +static enum pipe_error +pb_cache_buffer_validate(struct pb_buffer *_buf, + struct pb_validate *vl, + unsigned flags) +{ + struct pb_cache_buffer *buf = pb_cache_buffer(_buf); + return pb_validate(buf->buffer, vl, flags); +} + + +static void +pb_cache_buffer_fence(struct pb_buffer *_buf, + struct pipe_fence_handle *fence) +{ + struct pb_cache_buffer *buf = pb_cache_buffer(_buf); + pb_fence(buf->buffer, fence); +} + + static void pb_cache_buffer_get_base_buffer(struct pb_buffer *_buf, struct pb_buffer **base_buf, @@ -198,6 +217,8 @@ pb_cache_buffer_vtbl = { pb_cache_buffer_destroy, pb_cache_buffer_map, pb_cache_buffer_unmap, + pb_cache_buffer_validate, + pb_cache_buffer_fence, pb_cache_buffer_get_base_buffer }; diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c index 1675e6e..62639fe 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c @@ -29,7 +29,7 @@ * \file * Debug buffer manager to detect buffer under- and overflows. * - * \author José Fonseca + * \author Jose Fonseca */ @@ -255,11 +255,35 @@ pb_debug_buffer_get_base_buffer(struct pb_buffer *_buf, } +static enum pipe_error +pb_debug_buffer_validate(struct pb_buffer *_buf, + struct pb_validate *vl, + unsigned flags) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + + pb_debug_buffer_check(buf); + + return pb_validate(buf->buffer, vl, flags); +} + + +static void +pb_debug_buffer_fence(struct pb_buffer *_buf, + struct pipe_fence_handle *fence) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + pb_fence(buf->buffer, fence); +} + + const struct pb_vtbl pb_debug_buffer_vtbl = { pb_debug_buffer_destroy, pb_debug_buffer_map, pb_debug_buffer_unmap, + pb_debug_buffer_validate, + pb_debug_buffer_fence, pb_debug_buffer_get_base_buffer }; diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c index e2594ea..513ed28 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c @@ -30,7 +30,7 @@ * \file * A buffer manager that wraps buffers in fenced buffers. * - * \author José Fonseca + * \author Jose Fonseca */ diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c index d4434c6..2f5a5d8 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c @@ -29,7 +29,7 @@ * \file * Buffer manager using the old texture memory manager. * - * \author José Fonseca + * \author Jose Fonseca */ @@ -124,6 +124,27 @@ mm_buffer_unmap(struct pb_buffer *buf) } +static enum pipe_error +mm_buffer_validate(struct pb_buffer *buf, + struct pb_validate *vl, + unsigned flags) +{ + struct mm_buffer *mm_buf = mm_buffer(buf); + struct mm_pb_manager *mm = mm_buf->mgr; + return pb_validate(mm->buffer, vl, flags); +} + + +static void +mm_buffer_fence(struct pb_buffer *buf, + struct pipe_fence_handle *fence) +{ + struct mm_buffer *mm_buf = mm_buffer(buf); + struct mm_pb_manager *mm = mm_buf->mgr; + pb_fence(mm->buffer, fence); +} + + static void mm_buffer_get_base_buffer(struct pb_buffer *buf, struct pb_buffer **base_buf, @@ -141,6 +162,8 @@ mm_buffer_vtbl = { mm_buffer_destroy, mm_buffer_map, mm_buffer_unmap, + mm_buffer_validate, + mm_buffer_fence, mm_buffer_get_base_buffer }; diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c index 61ac291..a6ff376 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c @@ -30,7 +30,7 @@ * \file * Batch buffer pool management. * - * \author José Fonseca + * \author Jose Fonseca * \author Thomas Hellström */ @@ -138,6 +138,27 @@ pool_buffer_unmap(struct pb_buffer *buf) } +static enum pipe_error +pool_buffer_validate(struct pb_buffer *buf, + struct pb_validate *vl, + unsigned flags) +{ + struct pool_buffer *pool_buf = pool_buffer(buf); + struct pool_pb_manager *pool = pool_buf->mgr; + return pb_validate(pool->buffer, vl, flags); +} + + +static void +pool_buffer_fence(struct pb_buffer *buf, + struct pipe_fence_handle *fence) +{ + struct pool_buffer *pool_buf = pool_buffer(buf); + struct pool_pb_manager *pool = pool_buf->mgr; + pb_fence(pool->buffer, fence); +} + + static void pool_buffer_get_base_buffer(struct pb_buffer *buf, struct pb_buffer **base_buf, @@ -155,6 +176,8 @@ pool_buffer_vtbl = { pool_buffer_destroy, pool_buffer_map, pool_buffer_unmap, + pool_buffer_validate, + pool_buffer_fence, pool_buffer_get_base_buffer }; diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c index 2a80154..9b9fedc 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c @@ -248,6 +248,25 @@ pb_slab_buffer_unmap(struct pb_buffer *_buf) } +static enum pipe_error +pb_slab_buffer_validate(struct pb_buffer *_buf, + struct pb_validate *vl, + unsigned flags) +{ + struct pb_slab_buffer *buf = pb_slab_buffer(_buf); + return pb_validate(buf->slab->bo, vl, flags); +} + + +static void +pb_slab_buffer_fence(struct pb_buffer *_buf, + struct pipe_fence_handle *fence) +{ + struct pb_slab_buffer *buf = pb_slab_buffer(_buf); + pb_fence(buf->slab->bo, fence); +} + + static void pb_slab_buffer_get_base_buffer(struct pb_buffer *_buf, struct pb_buffer **base_buf, @@ -264,6 +283,8 @@ pb_slab_buffer_vtbl = { pb_slab_buffer_destroy, pb_slab_buffer_map, pb_slab_buffer_unmap, + pb_slab_buffer_validate, + pb_slab_buffer_fence, pb_slab_buffer_get_base_buffer }; diff --git a/src/gallium/auxiliary/pipebuffer/pb_validate.c b/src/gallium/auxiliary/pipebuffer/pb_validate.c index 1e54fc3..94532bb 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_validate.c +++ b/src/gallium/auxiliary/pipebuffer/pb_validate.c @@ -46,9 +46,16 @@ #define PB_VALIDATE_INITIAL_SIZE 1 /* 512 */ +struct pb_validate_entry +{ + struct pb_buffer *buf; + unsigned flags; +}; + + struct pb_validate { - struct pb_buffer **buffers; + struct pb_validate_entry *entries; unsigned used; unsigned size; }; @@ -56,43 +63,50 @@ struct pb_validate enum pipe_error pb_validate_add_buffer(struct pb_validate *vl, - struct pb_buffer *buf) + struct pb_buffer *buf, + unsigned flags) { assert(buf); if(!buf) return PIPE_ERROR; + assert(flags & PIPE_BUFFER_USAGE_GPU_READ_WRITE); + assert(!(flags & ~PIPE_BUFFER_USAGE_GPU_READ_WRITE)); + flags &= PIPE_BUFFER_USAGE_GPU_READ_WRITE; + /* 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. + * consecutive references for the same buffer. It might not be the most + * common pattern, but it is easy to implement. */ - if(vl->used && vl->buffers[vl->used - 1] == buf) { + if(vl->used && vl->entries[vl->used - 1].buf == buf) { + vl->entries[vl->used - 1].flags |= flags; return PIPE_OK; } /* Grow the table */ if(vl->used == vl->size) { unsigned new_size; - struct pb_buffer **new_buffers; + struct pb_validate_entry *new_entries; 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) + new_entries = (struct pb_validate_entry *)REALLOC(vl->entries, + vl->size*sizeof(struct pb_validate_entry), + new_size*sizeof(struct pb_validate_entry)); + if(!new_entries) return PIPE_ERROR_OUT_OF_MEMORY; - memset(new_buffers + vl->size, 0, (new_size - vl->size)*sizeof(struct pb_buffer *)); + memset(new_entries + vl->size, 0, (new_size - vl->size)*sizeof(struct pb_validate_entry)); vl->size = new_size; - vl->buffers = new_buffers; + vl->entries = new_entries; } - assert(!vl->buffers[vl->used]); - pb_reference(&vl->buffers[vl->used], buf); + assert(!vl->entries[vl->used].buf); + pb_reference(&vl->entries[vl->used].buf, buf); + vl->entries[vl->used].flags = flags; ++vl->used; return PIPE_OK; @@ -100,10 +114,36 @@ pb_validate_add_buffer(struct pb_validate *vl, enum pipe_error +pb_validate_foreach(struct pb_validate *vl, + enum pipe_error (*callback)(struct pb_buffer *buf, void *data), + void *data) +{ + unsigned i; + for(i = 0; i < vl->used; ++i) { + enum pipe_error ret; + ret = callback(vl->entries[i].buf, data); + if(ret != PIPE_OK) + return ret; + } + 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 */ + unsigned i; + + for(i = 0; i < vl->used; ++i) { + enum pipe_error ret; + ret = pb_validate(vl->entries[i].buf, vl, vl->entries[i].flags); + if(ret != PIPE_OK) { + while(i--) + pb_validate(vl->entries[i].buf, NULL, 0); + return ret; + } + } + return PIPE_OK; } @@ -114,8 +154,8 @@ pb_validate_fence(struct pb_validate *vl, { unsigned i; for(i = 0; i < vl->used; ++i) { - buffer_fence(vl->buffers[i], fence); - pb_reference(&vl->buffers[i], NULL); + pb_fence(vl->entries[i].buf, fence); + pb_reference(&vl->entries[i].buf, NULL); } vl->used = 0; } @@ -126,8 +166,8 @@ 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); + pb_reference(&vl->entries[i].buf, NULL); + FREE(vl->entries); FREE(vl); } @@ -142,8 +182,8 @@ pb_validate_create() return NULL; vl->size = PB_VALIDATE_INITIAL_SIZE; - vl->buffers = (struct pb_buffer **)CALLOC(vl->size, sizeof(struct pb_buffer *)); - if(!vl->buffers) { + vl->entries = (struct pb_validate_entry *)CALLOC(vl->size, sizeof(struct pb_validate_entry)); + if(!vl->entries) { FREE(vl); return NULL; } diff --git a/src/gallium/auxiliary/pipebuffer/pb_validate.h b/src/gallium/auxiliary/pipebuffer/pb_validate.h index 3db1d53..dfb84df 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_validate.h +++ b/src/gallium/auxiliary/pipebuffer/pb_validate.h @@ -58,7 +58,13 @@ struct pb_validate; enum pipe_error pb_validate_add_buffer(struct pb_validate *vl, - struct pb_buffer *buf); + struct pb_buffer *buf, + unsigned flags); + +enum pipe_error +pb_validate_foreach(struct pb_validate *vl, + enum pipe_error (*callback)(struct pb_buffer *buf, void *data), + void *data); /** * Validate all buffers for hardware access. @@ -71,7 +77,7 @@ pb_validate_validate(struct pb_validate *vl); /** * Fence all buffers and clear the list. * - * Should be called right before issuing commands to the hardware. + * Should be called right after issuing commands to the hardware. */ void pb_validate_fence(struct pb_validate *vl, diff --git a/src/gallium/auxiliary/pipebuffer/pb_winsys.c b/src/gallium/auxiliary/pipebuffer/pb_winsys.c index e2f1008..452835f 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_winsys.c +++ b/src/gallium/auxiliary/pipebuffer/pb_winsys.c @@ -30,7 +30,7 @@ * Implementation of client buffer (also designated as "user buffers"), which * are just state-tracker owned data masqueraded as buffers. * - * \author José Fonseca + * \author Jose Fonseca */ @@ -92,6 +92,24 @@ pb_user_buffer_unmap(struct pb_buffer *buf) } +static enum pipe_error +pb_user_buffer_validate(struct pb_buffer *buf, + struct pb_validate *vl, + unsigned flags) +{ + assert(0); + return PIPE_ERROR; +} + + +static void +pb_user_buffer_fence(struct pb_buffer *buf, + struct pipe_fence_handle *fence) +{ + assert(0); +} + + static void pb_user_buffer_get_base_buffer(struct pb_buffer *buf, struct pb_buffer **base_buf, @@ -107,6 +125,8 @@ pb_user_buffer_vtbl = { pb_user_buffer_destroy, pb_user_buffer_map, pb_user_buffer_unmap, + pb_user_buffer_validate, + pb_user_buffer_fence, pb_user_buffer_get_base_buffer }; -- 2.7.4