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-rw-r--r--mesalib/src/gallium/auxiliary/util/u_upload_mgr.c520
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_upload_mgr.h256
2 files changed, 403 insertions, 373 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_upload_mgr.c b/mesalib/src/gallium/auxiliary/util/u_upload_mgr.c
index e2e7829fb..e50db6d67 100644
--- a/mesalib/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/mesalib/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -1,251 +1,269 @@
-/**************************************************************************
- *
- * Copyright 2009 VMware, Inc.
- * All Rights Reserved.
- *
- * 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 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 VMWARE AND/OR ITS 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.
- *
- **************************************************************************/
-
-/* Helper utility for uploading user buffers & other data, and
- * coalescing small buffers into larger ones.
- */
-
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "pipe/p_context.h"
-#include "util/u_memory.h"
-#include "util/u_math.h"
-
-#include "u_upload_mgr.h"
-
-
-struct u_upload_mgr {
- struct pipe_context *pipe;
-
- unsigned default_size; /* Minimum size of the upload buffer, in bytes. */
- unsigned alignment; /* Alignment of each sub-allocation. */
- unsigned bind; /* Bitmask of PIPE_BIND_* flags. */
-
- struct pipe_resource *buffer; /* Upload buffer. */
- struct pipe_transfer *transfer; /* Transfer object for the upload buffer. */
- uint8_t *map; /* Pointer to the mapped upload buffer. */
- unsigned size; /* Actual size of the upload buffer. */
- unsigned offset; /* Aligned offset to the upload buffer, pointing
- * at the first unused byte. */
-};
-
-
-struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
- unsigned default_size,
- unsigned alignment,
- unsigned bind )
-{
- struct u_upload_mgr *upload = CALLOC_STRUCT( u_upload_mgr );
- if (!upload)
- return NULL;
-
- upload->pipe = pipe;
- upload->default_size = default_size;
- upload->alignment = alignment;
- upload->bind = bind;
- upload->buffer = NULL;
-
- return upload;
-}
-
-/* Release old buffer.
- *
- * This must usually be called prior to firing the command stream
- * which references the upload buffer, as many memory managers will
- * cause subsequent maps of a fired buffer to wait.
- *
- * Can improve this with a change to pipe_buffer_write to use the
- * DONT_WAIT bit, but for now, it's easiest just to grab a new buffer.
- */
-void u_upload_flush( struct u_upload_mgr *upload )
-{
- /* Unmap and unreference the upload buffer. */
- if (upload->transfer) {
- if (upload->offset) {
- pipe_buffer_flush_mapped_range(upload->pipe, upload->transfer,
- 0, upload->offset);
- }
- pipe_transfer_unmap(upload->pipe, upload->transfer);
- pipe_transfer_destroy(upload->pipe, upload->transfer);
- upload->transfer = NULL;
- }
- pipe_resource_reference( &upload->buffer, NULL );
- upload->size = 0;
-}
-
-
-void u_upload_destroy( struct u_upload_mgr *upload )
-{
- u_upload_flush( upload );
- FREE( upload );
-}
-
-
-static enum pipe_error
-u_upload_alloc_buffer( struct u_upload_mgr *upload,
- unsigned min_size )
-{
- unsigned size;
-
- /* Release the old buffer, if present:
- */
- u_upload_flush( upload );
-
- /* Allocate a new one:
- */
- size = align(MAX2(upload->default_size, min_size), 4096);
-
- upload->buffer = pipe_buffer_create( upload->pipe->screen,
- upload->bind,
- PIPE_USAGE_STREAM,
- size );
- if (upload->buffer == NULL)
- goto fail;
-
- /* Map the new buffer. */
- upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
- 0, size,
- PIPE_TRANSFER_WRITE |
- PIPE_TRANSFER_FLUSH_EXPLICIT,
- &upload->transfer);
-
- upload->size = size;
-
- upload->offset = 0;
- return 0;
-
-fail:
- if (upload->buffer)
- pipe_resource_reference( &upload->buffer, NULL );
-
- return PIPE_ERROR_OUT_OF_MEMORY;
-}
-
-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 );
- unsigned alloc_offset = align(min_out_offset, upload->alignment);
- unsigned offset;
-
- /* Make sure we have enough space in the upload buffer
- * for the sub-allocation. */
- 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;
- }
-
- offset = MAX2(upload->offset, alloc_offset);
-
- assert(offset < upload->buffer->width0);
- assert(offset + size <= upload->buffer->width0);
- assert(size);
-
- /* Emit the return values: */
- *ptr = upload->map + offset;
- pipe_resource_reference( outbuf, upload->buffer );
- *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;
-}
-
-
-/* As above, but upload the full contents of a buffer. Useful for
- * uploading user buffers, avoids generating an explosion of GPU
- * buffers if you have an app that does lots of small vertex buffer
- * 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,
- boolean *flushed )
-{
- enum pipe_error ret = PIPE_OK;
- struct pipe_transfer *transfer = NULL;
- const char *map = NULL;
-
- map = (const char *)pipe_buffer_map(upload->pipe,
- inbuf,
- PIPE_TRANSFER_READ,
- &transfer);
-
- if (map == NULL) {
- ret = PIPE_ERROR_OUT_OF_MEMORY;
- goto done;
- }
-
- if (0)
- debug_printf("upload ptr %p ofs %d sz %d\n", map, offset, size);
-
- ret = u_upload_data( upload,
- min_out_offset,
- size,
- map + offset,
- out_offset,
- outbuf, flushed );
-
-done:
- if (map)
- pipe_buffer_unmap( upload->pipe, transfer );
-
- return ret;
-}
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+/* Helper utility for uploading user buffers & other data, and
+ * coalescing small buffers into larger ones.
+ */
+
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "pipe/p_context.h"
+#include "util/u_memory.h"
+#include "util/u_math.h"
+
+#include "u_upload_mgr.h"
+
+
+struct u_upload_mgr {
+ struct pipe_context *pipe;
+
+ unsigned default_size; /* Minimum size of the upload buffer, in bytes. */
+ unsigned alignment; /* Alignment of each sub-allocation. */
+ unsigned bind; /* Bitmask of PIPE_BIND_* flags. */
+
+ struct pipe_resource *buffer; /* Upload buffer. */
+ struct pipe_transfer *transfer; /* Transfer object for the upload buffer. */
+ uint8_t *map; /* Pointer to the mapped upload buffer. */
+ unsigned size; /* Actual size of the upload buffer. */
+ unsigned offset; /* Aligned offset to the upload buffer, pointing
+ * at the first unused byte. */
+};
+
+
+struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
+ unsigned default_size,
+ unsigned alignment,
+ unsigned bind )
+{
+ struct u_upload_mgr *upload = CALLOC_STRUCT( u_upload_mgr );
+ if (!upload)
+ return NULL;
+
+ upload->pipe = pipe;
+ upload->default_size = default_size;
+ upload->alignment = alignment;
+ upload->bind = bind;
+ upload->buffer = NULL;
+
+ return upload;
+}
+
+void u_upload_unmap( struct u_upload_mgr *upload )
+{
+ if (upload->transfer) {
+ struct pipe_box *box = &upload->transfer->box;
+ if (upload->offset > box->x) {
+
+ pipe_buffer_flush_mapped_range(upload->pipe, upload->transfer,
+ box->x, upload->offset - box->x);
+ }
+ pipe_transfer_unmap(upload->pipe, upload->transfer);
+ pipe_transfer_destroy(upload->pipe, upload->transfer);
+ upload->transfer = NULL;
+ upload->map = NULL;
+ }
+}
+
+/* Release old buffer.
+ *
+ * This must usually be called prior to firing the command stream
+ * which references the upload buffer, as many memory managers will
+ * cause subsequent maps of a fired buffer to wait.
+ *
+ * Can improve this with a change to pipe_buffer_write to use the
+ * DONT_WAIT bit, but for now, it's easiest just to grab a new buffer.
+ */
+void u_upload_flush( struct u_upload_mgr *upload )
+{
+ /* Unmap and unreference the upload buffer. */
+ u_upload_unmap(upload);
+ pipe_resource_reference( &upload->buffer, NULL );
+ upload->size = 0;
+}
+
+
+void u_upload_destroy( struct u_upload_mgr *upload )
+{
+ u_upload_flush( upload );
+ FREE( upload );
+}
+
+
+static enum pipe_error
+u_upload_alloc_buffer( struct u_upload_mgr *upload,
+ unsigned min_size )
+{
+ unsigned size;
+
+ /* Release the old buffer, if present:
+ */
+ u_upload_flush( upload );
+
+ /* Allocate a new one:
+ */
+ size = align(MAX2(upload->default_size, min_size), 4096);
+
+ upload->buffer = pipe_buffer_create( upload->pipe->screen,
+ upload->bind,
+ PIPE_USAGE_STREAM,
+ size );
+ if (upload->buffer == NULL)
+ goto fail;
+
+ /* Map the new buffer. */
+ upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
+ 0, size,
+ PIPE_TRANSFER_WRITE |
+ PIPE_TRANSFER_FLUSH_EXPLICIT,
+ &upload->transfer);
+
+ upload->size = size;
+
+ upload->offset = 0;
+ return 0;
+
+fail:
+ if (upload->buffer)
+ pipe_resource_reference( &upload->buffer, NULL );
+
+ return PIPE_ERROR_OUT_OF_MEMORY;
+}
+
+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 );
+ unsigned alloc_offset = align(min_out_offset, upload->alignment);
+ unsigned offset;
+
+ /* Make sure we have enough space in the upload buffer
+ * for the sub-allocation. */
+ 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;
+ }
+
+ offset = MAX2(upload->offset, alloc_offset);
+
+ if (!upload->map) {
+ upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
+ offset, upload->size - offset,
+ PIPE_TRANSFER_WRITE |
+ PIPE_TRANSFER_FLUSH_EXPLICIT |
+ PIPE_TRANSFER_UNSYNCHRONIZED,
+ &upload->transfer);
+ }
+
+ assert(offset < upload->buffer->width0);
+ assert(offset + size <= upload->buffer->width0);
+ assert(size);
+
+ /* Emit the return values: */
+ *ptr = upload->map + offset;
+ pipe_resource_reference( outbuf, upload->buffer );
+ *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;
+}
+
+
+/* As above, but upload the full contents of a buffer. Useful for
+ * uploading user buffers, avoids generating an explosion of GPU
+ * buffers if you have an app that does lots of small vertex buffer
+ * 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,
+ boolean *flushed )
+{
+ enum pipe_error ret = PIPE_OK;
+ struct pipe_transfer *transfer = NULL;
+ const char *map = NULL;
+
+ map = (const char *)pipe_buffer_map_range(upload->pipe,
+ inbuf,
+ offset, size,
+ PIPE_TRANSFER_READ,
+ &transfer);
+
+ if (map == NULL) {
+ ret = PIPE_ERROR_OUT_OF_MEMORY;
+ goto done;
+ }
+
+ if (0)
+ debug_printf("upload ptr %p ofs %d sz %d\n", map, offset, size);
+
+ ret = u_upload_data( upload,
+ min_out_offset,
+ size,
+ map,
+ out_offset,
+ outbuf, flushed );
+
+done:
+ if (map)
+ pipe_buffer_unmap( upload->pipe, transfer );
+
+ return ret;
+}
diff --git a/mesalib/src/gallium/auxiliary/util/u_upload_mgr.h b/mesalib/src/gallium/auxiliary/util/u_upload_mgr.h
index ed13fbe82..989151398 100644
--- a/mesalib/src/gallium/auxiliary/util/u_upload_mgr.h
+++ b/mesalib/src/gallium/auxiliary/util/u_upload_mgr.h
@@ -1,122 +1,134 @@
-/**************************************************************************
- *
- * Copyright 2009 VMware, Inc.
- * All Rights Reserved.
- *
- * 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 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 VMWARE AND/OR ITS 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.
- *
- **************************************************************************/
-
-/* Helper utility for uploading user buffers & other data, and
- * coalescing small buffers into larger ones.
- */
-
-#ifndef U_UPLOAD_MGR_H
-#define U_UPLOAD_MGR_H
-
-#include "pipe/p_compiler.h"
-
-struct pipe_context;
-struct pipe_resource;
-
-
-/**
- * Create the upload manager.
- *
- * \param pipe Pipe driver.
- * \param default_size Minimum size of the upload buffer, in bytes.
- * \param alignment Alignment of each suballocation in the upload buffer.
- * \param bind Bitmask of PIPE_BIND_* flags.
- */
-struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
- unsigned default_size,
- unsigned alignment,
- unsigned bind );
-
-/**
- * Destroy the upload manager.
- */
-void u_upload_destroy( struct u_upload_mgr *upload );
-
-/* Unmap and release old buffer.
- *
- * This must usually be called prior to firing the command stream
- * which references the upload buffer, as many memory managers either
- * don't like firing a mapped buffer or cause subsequent maps of a
- * fired buffer to wait. For now, it's easiest just to grab a new
- * buffer.
- */
-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,
- 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,
- boolean *flushed );
-
-
-
-#endif
-
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+/* Helper utility for uploading user buffers & other data, and
+ * coalescing small buffers into larger ones.
+ */
+
+#ifndef U_UPLOAD_MGR_H
+#define U_UPLOAD_MGR_H
+
+#include "pipe/p_compiler.h"
+
+struct pipe_context;
+struct pipe_resource;
+
+
+/**
+ * Create the upload manager.
+ *
+ * \param pipe Pipe driver.
+ * \param default_size Minimum size of the upload buffer, in bytes.
+ * \param alignment Alignment of each suballocation in the upload buffer.
+ * \param bind Bitmask of PIPE_BIND_* flags.
+ */
+struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
+ unsigned default_size,
+ unsigned alignment,
+ unsigned bind );
+
+/**
+ * Destroy the upload manager.
+ */
+void u_upload_destroy( struct u_upload_mgr *upload );
+
+/* Unmap and release old upload buffer.
+ *
+ * This is like u_upload_unmap() except the upload buffer is released for
+ * recycling. This should be called on real hardware flushes on systems
+ * that don't support the PIPE_TRANSFER_UNSYNCHRONIZED flag, as otherwise
+ * the next u_upload_buffer will cause a sync on the buffer.
+ */
+
+void u_upload_flush( struct u_upload_mgr *upload );
+
+/**
+ * Unmap upload buffer
+ *
+ * \param upload Upload manager
+ *
+ * This must usually be called prior to firing the command stream
+ * which references the upload buffer, as many memory managers either
+ * don't like firing a mapped buffer or cause subsequent maps of a
+ * fired buffer to wait.
+ */
+void u_upload_unmap( 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,
+ 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,
+ boolean *flushed );
+
+
+
+#endif
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 01:53:53 +0000