diff options
Diffstat (limited to 'src/gallium/auxiliary/pipebuffer/pb_validate.c')
-rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_validate.c | 84 |
1 files changed, 62 insertions, 22 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_validate.c b/src/gallium/auxiliary/pipebuffer/pb_validate.c index 1e54fc39d4..726ae1688e 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_buffer *)); + if(!vl->entries) { FREE(vl); return NULL; } |