diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_index_modify.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_index_modify.c | 385 |
1 files changed, 203 insertions, 182 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_index_modify.c b/mesalib/src/gallium/auxiliary/util/u_index_modify.c index 38e9b3700..5e3fd463e 100644 --- a/mesalib/src/gallium/auxiliary/util/u_index_modify.c +++ b/mesalib/src/gallium/auxiliary/util/u_index_modify.c @@ -1,182 +1,203 @@ -/*
- * Copyright 2010 Marek Olšák <maraeo@gmail.com>
- *
- * 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;
-}
+/* + * Copyright 2010 Marek Olšák <maraeo@gmail.com> + * + * 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_index_buffer *ib, + int index_bias, + unsigned start, + unsigned count, + void *out) +{ + struct pipe_transfer *src_transfer = NULL; + const unsigned char *in_map; + unsigned short *out_map = out; + unsigned i; + + if (ib->user_buffer) { + in_map = ib->user_buffer; + } else { + in_map = pipe_buffer_map(context, ib->buffer, + 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++; + } + + if (src_transfer) + pipe_buffer_unmap(context, src_transfer); +} + +void util_shorten_ubyte_elts(struct pipe_context *context, + struct pipe_index_buffer *ib, + struct pipe_resource **out_buf, + 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, ib, index_bias, + start, count, out_map); + pipe_buffer_unmap(context, dst_transfer); + + pipe_resource_reference(out_buf, NULL); + *out_buf = new_elts; +} + + +/* Ushort indices. */ + +void util_rebuild_ushort_elts_to_userptr(struct pipe_context *context, + struct pipe_index_buffer *ib, + int index_bias, + unsigned start, unsigned count, + void *out) +{ + struct pipe_transfer *in_transfer = NULL; + const unsigned short *in_map; + unsigned short *out_map = out; + unsigned i; + + if (ib->user_buffer) { + in_map = ib->user_buffer; + } else { + in_map = pipe_buffer_map(context, ib->buffer, + 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++; + } + + if (in_transfer) + pipe_buffer_unmap(context, in_transfer); +} + +void util_rebuild_ushort_elts(struct pipe_context *context, + struct pipe_index_buffer *ib, + struct pipe_resource **out_buf, + 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, ib, index_bias, + start, count, out_map); + pipe_buffer_unmap(context, out_transfer); + + pipe_resource_reference(out_buf, NULL); + *out_buf = new_elts; +} + + +/* Uint indices. */ + +void util_rebuild_uint_elts_to_userptr(struct pipe_context *context, + struct pipe_index_buffer *ib, + int index_bias, + unsigned start, unsigned count, + void *out) +{ + struct pipe_transfer *in_transfer = NULL; + const unsigned int *in_map; + unsigned int *out_map = out; + unsigned i; + + if (ib->user_buffer) { + in_map = ib->user_buffer; + } else { + in_map = pipe_buffer_map(context, ib->buffer, + 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++; + } + + if (in_transfer) + pipe_buffer_unmap(context, in_transfer); +} + +void util_rebuild_uint_elts(struct pipe_context *context, + struct pipe_index_buffer *ib, + struct pipe_resource **out_buf, + 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, ib, index_bias, + start, count, out_map); + pipe_buffer_unmap(context, out_transfer); + + pipe_resource_reference(out_buf, NULL); + *out_buf = new_elts; +} |