From 0402d388cb9803652c0f9a52ba7dcb6029fdd0b9 Mon Sep 17 00:00:00 2001 From: marha Date: Sat, 30 Apr 2011 15:25:48 +0000 Subject: Added extra needed files --- .../src/gallium/auxiliary/util/u_index_modify.c | 182 +++++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 mesalib/src/gallium/auxiliary/util/u_index_modify.c (limited to 'mesalib/src/gallium/auxiliary/util/u_index_modify.c') diff --git a/mesalib/src/gallium/auxiliary/util/u_index_modify.c b/mesalib/src/gallium/auxiliary/util/u_index_modify.c new file mode 100644 index 000000000..38e9b3700 --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_index_modify.c @@ -0,0 +1,182 @@ +/* + * Copyright 2010 Marek Olšák + * + * 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 + * on 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 + * THE AUTHOR(S) AND/OR THEIR 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. */ + +#include "pipe/p_context.h" +#include "util/u_index_modify.h" +#include "util/u_inlines.h" + +/* Ubyte indices. */ + +void util_shorten_ubyte_elts_to_userptr(struct pipe_context *context, + struct pipe_resource *elts, + int index_bias, + unsigned start, + unsigned count, + void *out) +{ + struct pipe_transfer *src_transfer; + unsigned char *in_map; + unsigned short *out_map = out; + unsigned i; + + in_map = pipe_buffer_map(context, elts, + PIPE_TRANSFER_READ | + PIPE_TRANSFER_UNSYNCHRONIZED, + &src_transfer); + in_map += start; + + for (i = 0; i < count; i++) { + *out_map = (unsigned short)(*in_map + index_bias); + in_map++; + out_map++; + } + + pipe_buffer_unmap(context, src_transfer); +} + +void util_shorten_ubyte_elts(struct pipe_context *context, + struct pipe_resource **elts, + int index_bias, + unsigned start, + unsigned count) +{ + struct pipe_resource* new_elts; + unsigned short *out_map; + struct pipe_transfer *dst_transfer; + + new_elts = pipe_buffer_create(context->screen, + PIPE_BIND_INDEX_BUFFER, + PIPE_USAGE_STATIC, + 2 * count); + + out_map = pipe_buffer_map(context, new_elts, PIPE_TRANSFER_WRITE, + &dst_transfer); + util_shorten_ubyte_elts_to_userptr(context, *elts, index_bias, + start, count, out_map); + pipe_buffer_unmap(context, dst_transfer); + + *elts = new_elts; +} + + +/* Ushort indices. */ + +void util_rebuild_ushort_elts_to_userptr(struct pipe_context *context, + struct pipe_resource *elts, + int index_bias, + unsigned start, unsigned count, + void *out) +{ + struct pipe_transfer *in_transfer = NULL; + unsigned short *in_map; + unsigned short *out_map = out; + unsigned i; + + in_map = pipe_buffer_map(context, elts, + PIPE_TRANSFER_READ | + PIPE_TRANSFER_UNSYNCHRONIZED, + &in_transfer); + in_map += start; + + for (i = 0; i < count; i++) { + *out_map = (unsigned short)(*in_map + index_bias); + in_map++; + out_map++; + } + + pipe_buffer_unmap(context, in_transfer); +} + +void util_rebuild_ushort_elts(struct pipe_context *context, + struct pipe_resource **elts, + int index_bias, + unsigned start, unsigned count) +{ + struct pipe_transfer *out_transfer = NULL; + struct pipe_resource *new_elts; + unsigned short *out_map; + + new_elts = pipe_buffer_create(context->screen, + PIPE_BIND_INDEX_BUFFER, + PIPE_USAGE_STATIC, + 2 * count); + + out_map = pipe_buffer_map(context, new_elts, + PIPE_TRANSFER_WRITE, &out_transfer); + util_rebuild_ushort_elts_to_userptr(context, *elts, index_bias, + start, count, out_map); + pipe_buffer_unmap(context, out_transfer); + + *elts = new_elts; +} + + +/* Uint indices. */ + +void util_rebuild_uint_elts_to_userptr(struct pipe_context *context, + struct pipe_resource *elts, + int index_bias, + unsigned start, unsigned count, + void *out) +{ + struct pipe_transfer *in_transfer = NULL; + unsigned int *in_map; + unsigned int *out_map = out; + unsigned i; + + in_map = pipe_buffer_map(context, elts, + PIPE_TRANSFER_READ | + PIPE_TRANSFER_UNSYNCHRONIZED, + &in_transfer); + in_map += start; + + for (i = 0; i < count; i++) { + *out_map = (unsigned int)(*in_map + index_bias); + in_map++; + out_map++; + } + + pipe_buffer_unmap(context, in_transfer); +} + +void util_rebuild_uint_elts(struct pipe_context *context, + struct pipe_resource **elts, + int index_bias, + unsigned start, unsigned count) +{ + struct pipe_transfer *out_transfer = NULL; + struct pipe_resource *new_elts; + unsigned int *out_map; + + new_elts = pipe_buffer_create(context->screen, + PIPE_BIND_INDEX_BUFFER, + PIPE_USAGE_STATIC, + 2 * count); + + out_map = pipe_buffer_map(context, new_elts, + PIPE_TRANSFER_WRITE, &out_transfer); + util_rebuild_uint_elts_to_userptr(context, *elts, index_bias, + start, count, out_map); + pipe_buffer_unmap(context, out_transfer); + + *elts = new_elts; +} -- cgit v1.2.3