diff options
| -rw-r--r-- | src/gallium/auxiliary/util/u_index_modify.c | 111 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_index_modify.h | 24 |
2 files changed, 101 insertions, 34 deletions
diff --git a/src/gallium/auxiliary/util/u_index_modify.c b/src/gallium/auxiliary/util/u_index_modify.c index 3822f60e71d..f2c9db3caf1 100644 --- a/src/gallium/auxiliary/util/u_index_modify.c +++ b/src/gallium/auxiliary/util/u_index_modify.c @@ -24,26 +24,70 @@ #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, &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_screen* screen = context->screen; struct pipe_resource* new_elts; - unsigned char *in_map; unsigned short *out_map; - struct pipe_transfer *src_transfer, *dst_transfer; - unsigned i; + struct pipe_transfer *dst_transfer; - new_elts = pipe_buffer_create(screen, + new_elts = pipe_buffer_create(context->screen, PIPE_BIND_INDEX_BUFFER, 2 * count); - in_map = pipe_buffer_map(context, *elts, PIPE_TRANSFER_READ, &src_transfer); - out_map = pipe_buffer_map(context, new_elts, PIPE_TRANSFER_WRITE, &dst_transfer); + 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, &in_transfer); in_map += start; for (i = 0; i < count; i++) { @@ -52,10 +96,7 @@ void util_shorten_ubyte_elts(struct pipe_context *context, out_map++; } - pipe_buffer_unmap(context, src_transfer); - pipe_buffer_unmap(context, dst_transfer); - - *elts = new_elts; + pipe_buffer_unmap(context, in_transfer); } void util_rebuild_ushort_elts(struct pipe_context *context, @@ -63,33 +104,47 @@ void util_rebuild_ushort_elts(struct pipe_context *context, int index_bias, unsigned start, unsigned count) { - struct pipe_transfer *in_transfer = NULL; struct pipe_transfer *out_transfer = NULL; struct pipe_resource *new_elts; - unsigned short *in_map; unsigned short *out_map; - unsigned i; new_elts = pipe_buffer_create(context->screen, PIPE_BIND_INDEX_BUFFER, 2 * count); - in_map = pipe_buffer_map(context, *elts, - PIPE_TRANSFER_READ, &in_transfer); 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, &in_transfer); in_map += start; + for (i = 0; i < count; i++) { - *out_map = (unsigned short)(*in_map + index_bias); + *out_map = (unsigned int)(*in_map + index_bias); in_map++; out_map++; } pipe_buffer_unmap(context, in_transfer); - pipe_buffer_unmap(context, out_transfer); - - *elts = new_elts; } void util_rebuild_uint_elts(struct pipe_context *context, @@ -97,30 +152,18 @@ void util_rebuild_uint_elts(struct pipe_context *context, int index_bias, unsigned start, unsigned count) { - struct pipe_transfer *in_transfer = NULL; struct pipe_transfer *out_transfer = NULL; struct pipe_resource *new_elts; - unsigned int *in_map; unsigned int *out_map; - unsigned i; new_elts = pipe_buffer_create(context->screen, PIPE_BIND_INDEX_BUFFER, 2 * count); - in_map = pipe_buffer_map(context, *elts, - PIPE_TRANSFER_READ, &in_transfer); out_map = pipe_buffer_map(context, new_elts, PIPE_TRANSFER_WRITE, &out_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); + util_rebuild_uint_elts_to_userptr(context, *elts, index_bias, + start, count, out_map); pipe_buffer_unmap(context, out_transfer); *elts = new_elts; diff --git a/src/gallium/auxiliary/util/u_index_modify.h b/src/gallium/auxiliary/util/u_index_modify.h index 01a6cae94fc..dc28fe05444 100644 --- a/src/gallium/auxiliary/util/u_index_modify.h +++ b/src/gallium/auxiliary/util/u_index_modify.h @@ -23,19 +23,43 @@ #ifndef UTIL_INDEX_MODIFY_H #define UTIL_INDEX_MODIFY_H +void util_shorten_ubyte_elts_to_userptr(struct pipe_context *context, + struct pipe_resource *elts, + int index_bias, + unsigned start, + unsigned count, + void *out); + void util_shorten_ubyte_elts(struct pipe_context *context, struct pipe_resource **elts, int index_bias, unsigned start, unsigned count); + + +void util_rebuild_ushort_elts_to_userptr(struct pipe_context *context, + struct pipe_resource *elts, + int index_bias, + unsigned start, unsigned count, + void *out); + void util_rebuild_ushort_elts(struct pipe_context *context, struct pipe_resource **elts, int index_bias, unsigned start, unsigned count); + + +void util_rebuild_uint_elts_to_userptr(struct pipe_context *context, + struct pipe_resource *elts, + int index_bias, + unsigned start, unsigned count, + void *out); + void util_rebuild_uint_elts(struct pipe_context *context, struct pipe_resource **elts, int index_bias, unsigned start, unsigned count); + #endif |