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-rw-r--r--src/gallium/auxiliary/util/u_upload_mgr.c75
-rw-r--r--src/gallium/auxiliary/util/u_upload_mgr.h43
2 files changed, 92 insertions, 26 deletions
diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index 4d97bf0377f..80c9b635f0e 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -43,7 +43,7 @@ struct u_upload_mgr {
unsigned default_size;
unsigned alignment;
- unsigned usage;
+ unsigned bind;
/* The active buffer:
*/
@@ -58,7 +58,7 @@ struct u_upload_mgr {
struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
unsigned default_size,
unsigned alignment,
- unsigned usage )
+ unsigned bind )
{
struct u_upload_mgr *upload = CALLOC_STRUCT( u_upload_mgr );
if (!upload)
@@ -67,7 +67,7 @@ struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
upload->pipe = pipe;
upload->default_size = default_size;
upload->alignment = alignment;
- upload->usage = usage;
+ upload->bind = bind;
upload->buffer = NULL;
return upload;
@@ -115,7 +115,7 @@ u_upload_alloc_buffer( struct u_upload_mgr *upload,
size = align(MAX2(upload->default_size, min_size), 4096);
upload->buffer = pipe_buffer_create( upload->pipe->screen,
- upload->usage,
+ upload->bind,
size );
if (upload->buffer == NULL)
goto fail;
@@ -135,33 +135,61 @@ fail:
return PIPE_ERROR_OUT_OF_MEMORY;
}
-
-enum pipe_error u_upload_data( struct u_upload_mgr *upload,
- unsigned size,
- const void *data,
- unsigned *out_offset,
- struct pipe_resource **outbuf )
+enum pipe_error u_upload_alloc( struct u_upload_mgr *upload,
+ unsigned min_out_offset,
+ unsigned size,
+ unsigned *out_offset,
+ struct pipe_resource **outbuf,
+ boolean *flushed,
+ void **ptr )
{
unsigned alloc_size = align( size, upload->alignment );
- enum pipe_error ret = PIPE_OK;
+ unsigned alloc_offset = align(min_out_offset, upload->alignment);
+ unsigned offset;
- if (upload->offset + alloc_size > upload->size) {
- ret = u_upload_alloc_buffer( upload, alloc_size );
+ if (MAX2(upload->offset, alloc_offset) + alloc_size > upload->size) {
+ enum pipe_error ret = u_upload_alloc_buffer(upload,
+ alloc_offset + alloc_size);
if (ret)
return ret;
+
+ *flushed = TRUE;
+ } else {
+ *flushed = FALSE;
}
- assert(upload->offset < upload->buffer->width0);
- assert(upload->offset + size <= upload->buffer->width0);
+ offset = MAX2(upload->offset, alloc_offset);
+
+ assert(offset < upload->buffer->width0);
+ assert(offset + size <= upload->buffer->width0);
assert(size);
- memcpy(upload->map + upload->offset, data, size);
+ *ptr = upload->map + offset;
/* Emit the return values:
*/
pipe_resource_reference( outbuf, upload->buffer );
- *out_offset = upload->offset;
- upload->offset += alloc_size;
+ *out_offset = offset;
+ upload->offset = offset + alloc_size;
+ return PIPE_OK;
+}
+
+enum pipe_error u_upload_data( struct u_upload_mgr *upload,
+ unsigned min_out_offset,
+ unsigned size,
+ const void *data,
+ unsigned *out_offset,
+ struct pipe_resource **outbuf,
+ boolean *flushed )
+{
+ uint8_t *ptr;
+ enum pipe_error ret = u_upload_alloc(upload, min_out_offset, size,
+ out_offset, outbuf, flushed,
+ (void**)&ptr);
+ if (ret)
+ return ret;
+
+ memcpy(ptr, data, size);
return PIPE_OK;
}
@@ -172,11 +200,13 @@ enum pipe_error u_upload_data( struct u_upload_mgr *upload,
* renders or DrawElements calls.
*/
enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
+ unsigned min_out_offset,
unsigned offset,
unsigned size,
struct pipe_resource *inbuf,
unsigned *out_offset,
- struct pipe_resource **outbuf )
+ struct pipe_resource **outbuf,
+ boolean *flushed )
{
enum pipe_error ret = PIPE_OK;
struct pipe_transfer *transfer = NULL;
@@ -195,13 +225,12 @@ enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
if (0)
debug_printf("upload ptr %p ofs %d sz %d\n", map, offset, size);
- ret = u_upload_data( upload,
+ ret = u_upload_data( upload,
+ min_out_offset,
size,
map + offset,
out_offset,
- outbuf );
- if (ret)
- goto done;
+ outbuf, flushed );
done:
if (map)
diff --git a/src/gallium/auxiliary/util/u_upload_mgr.h b/src/gallium/auxiliary/util/u_upload_mgr.h
index de016df02e0..fc8f4d3687a 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.h
+++ b/src/gallium/auxiliary/util/u_upload_mgr.h
@@ -32,6 +32,8 @@
#ifndef U_UPLOAD_MGR_H
#define U_UPLOAD_MGR_H
+#include "pipe/p_compiler.h"
+
struct pipe_context;
struct pipe_resource;
@@ -39,7 +41,7 @@ struct pipe_resource;
struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
unsigned default_size,
unsigned alignment,
- unsigned usage );
+ unsigned bind );
void u_upload_destroy( struct u_upload_mgr *upload );
@@ -53,20 +55,55 @@ void u_upload_destroy( struct u_upload_mgr *upload );
*/
void u_upload_flush( struct u_upload_mgr *upload );
+/**
+ * Sub-allocate new memory from the upload buffer.
+ *
+ * \param upload Upload manager
+ * \param min_out_offset Minimum offset that should be returned in out_offset.
+ * \param size Size of the allocation.
+ * \param out_offset Pointer to where the new buffer offset will be returned.
+ * \param outbuf Pointer to where the upload buffer will be returned.
+ * \param flushed Whether the upload buffer was flushed.
+ * \param ptr Pointer to the allocated memory that is returned.
+ */
+enum pipe_error u_upload_alloc( struct u_upload_mgr *upload,
+ unsigned min_out_offset,
+ unsigned size,
+ unsigned *out_offset,
+ struct pipe_resource **outbuf,
+ boolean *flushed,
+ void **ptr );
+
+/**
+ * Allocate and write data to the upload buffer.
+ *
+ * Same as u_upload_alloc, but in addition to that, it copies "data"
+ * to the pointer returned from u_upload_alloc.
+ */
enum pipe_error u_upload_data( struct u_upload_mgr *upload,
+ unsigned min_out_offset,
unsigned size,
const void *data,
unsigned *out_offset,
- struct pipe_resource **outbuf );
+ struct pipe_resource **outbuf,
+ boolean *flushed );
+/**
+ * Allocate and copy an input buffer to the upload buffer.
+ *
+ * Same as u_upload_data, except that the input data comes from a buffer
+ * instead of a user pointer.
+ */
enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
+ unsigned min_out_offset,
unsigned offset,
unsigned size,
struct pipe_resource *inbuf,
unsigned *out_offset,
- struct pipe_resource **outbuf );
+ struct pipe_resource **outbuf,
+ boolean *flushed );
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 16:31:34 +0000