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-rw-r--r--src/gallium/auxiliary/util/u_index_modify.c83
1 files changed, 52 insertions, 31 deletions
diff --git a/src/gallium/auxiliary/util/u_index_modify.c b/src/gallium/auxiliary/util/u_index_modify.c
index d0a28b5fdfa..5e3fd463eb4 100644
--- a/src/gallium/auxiliary/util/u_index_modify.c
+++ b/src/gallium/auxiliary/util/u_index_modify.c
@@ -27,21 +27,25 @@
/* Ubyte indices. */
void util_shorten_ubyte_elts_to_userptr(struct pipe_context *context,
- struct pipe_resource *elts,
+ struct pipe_index_buffer *ib,
int index_bias,
unsigned start,
unsigned count,
void *out)
{
- struct pipe_transfer *src_transfer;
- unsigned char *in_map;
+ struct pipe_transfer *src_transfer = NULL;
+ const 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);
+ 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++) {
@@ -50,11 +54,13 @@ void util_shorten_ubyte_elts_to_userptr(struct pipe_context *context,
out_map++;
}
- pipe_buffer_unmap(context, src_transfer);
+ if (src_transfer)
+ pipe_buffer_unmap(context, src_transfer);
}
void util_shorten_ubyte_elts(struct pipe_context *context,
- struct pipe_resource **elts,
+ struct pipe_index_buffer *ib,
+ struct pipe_resource **out_buf,
int index_bias,
unsigned start,
unsigned count)
@@ -70,31 +76,36 @@ void util_shorten_ubyte_elts(struct pipe_context *context,
out_map = pipe_buffer_map(context, new_elts, PIPE_TRANSFER_WRITE,
&dst_transfer);
- util_shorten_ubyte_elts_to_userptr(context, *elts, index_bias,
+ util_shorten_ubyte_elts_to_userptr(context, ib, index_bias,
start, count, out_map);
pipe_buffer_unmap(context, dst_transfer);
- *elts = new_elts;
+ 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_resource *elts,
+ struct pipe_index_buffer *ib,
int index_bias,
unsigned start, unsigned count,
void *out)
{
struct pipe_transfer *in_transfer = NULL;
- unsigned short *in_map;
+ const 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);
+ 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++) {
@@ -103,11 +114,13 @@ void util_rebuild_ushort_elts_to_userptr(struct pipe_context *context,
out_map++;
}
- pipe_buffer_unmap(context, in_transfer);
+ if (in_transfer)
+ pipe_buffer_unmap(context, in_transfer);
}
void util_rebuild_ushort_elts(struct pipe_context *context,
- struct pipe_resource **elts,
+ struct pipe_index_buffer *ib,
+ struct pipe_resource **out_buf,
int index_bias,
unsigned start, unsigned count)
{
@@ -122,31 +135,36 @@ void util_rebuild_ushort_elts(struct pipe_context *context,
out_map = pipe_buffer_map(context, new_elts,
PIPE_TRANSFER_WRITE, &out_transfer);
- util_rebuild_ushort_elts_to_userptr(context, *elts, index_bias,
+ util_rebuild_ushort_elts_to_userptr(context, ib, index_bias,
start, count, out_map);
pipe_buffer_unmap(context, out_transfer);
- *elts = new_elts;
+ 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_resource *elts,
+ struct pipe_index_buffer *ib,
int index_bias,
unsigned start, unsigned count,
void *out)
{
struct pipe_transfer *in_transfer = NULL;
- unsigned int *in_map;
+ const 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);
+ 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++) {
@@ -155,11 +173,13 @@ void util_rebuild_uint_elts_to_userptr(struct pipe_context *context,
out_map++;
}
- pipe_buffer_unmap(context, in_transfer);
+ if (in_transfer)
+ pipe_buffer_unmap(context, in_transfer);
}
void util_rebuild_uint_elts(struct pipe_context *context,
- struct pipe_resource **elts,
+ struct pipe_index_buffer *ib,
+ struct pipe_resource **out_buf,
int index_bias,
unsigned start, unsigned count)
{
@@ -174,9 +194,10 @@ void util_rebuild_uint_elts(struct pipe_context *context,
out_map = pipe_buffer_map(context, new_elts,
PIPE_TRANSFER_WRITE, &out_transfer);
- util_rebuild_uint_elts_to_userptr(context, *elts, index_bias,
+ util_rebuild_uint_elts_to_userptr(context, ib, index_bias,
start, count, out_map);
pipe_buffer_unmap(context, out_transfer);
- *elts = new_elts;
+ pipe_resource_reference(out_buf, NULL);
+ *out_buf = new_elts;
}