util: Move u_debug to utils
[mesa.git] / src / gallium / auxiliary / util / u_upload_mgr.c
index 59207a1969b9b04e8a6dd973a7c1ab522fa41c29..f703852be817cdea84a11a683b68d46f77570bd9 100644 (file)
@@ -1,8 +1,8 @@
 /**************************************************************************
- * 
+ *
  * 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
  * 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.
@@ -22,7 +22,7 @@
  * 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
@@ -42,8 +42,9 @@ 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. */
+   enum pipe_resource_usage usage;
+   unsigned flags;
    unsigned map_flags;     /* Bitmask of PIPE_TRANSFER_* flags. */
    boolean map_persistent; /* If persistent mappings are supported. */
 
@@ -55,19 +56,19 @@ struct u_upload_mgr {
 };
 
 
-struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
-                                      unsigned default_size,
-                                      unsigned alignment,
-                                      unsigned bind )
+struct u_upload_mgr *
+u_upload_create(struct pipe_context *pipe, unsigned default_size,
+                unsigned bind, enum pipe_resource_usage usage, unsigned flags)
 {
-   struct u_upload_mgr *upload = CALLOC_STRUCT( u_upload_mgr );
+   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->usage = usage;
+   upload->flags = flags;
 
    upload->map_persistent =
       pipe->screen->get_param(pipe->screen,
@@ -75,6 +76,7 @@ struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
 
    if (upload->map_persistent) {
       upload->map_flags = PIPE_TRANSFER_WRITE |
+                          PIPE_TRANSFER_UNSYNCHRONIZED |
                           PIPE_TRANSFER_PERSISTENT |
                           PIPE_TRANSFER_COHERENT;
    }
@@ -87,8 +89,25 @@ struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
    return upload;
 }
 
+struct u_upload_mgr *
+u_upload_create_default(struct pipe_context *pipe)
+{
+   return u_upload_create(pipe, 1024 * 1024,
+                          PIPE_BIND_VERTEX_BUFFER |
+                          PIPE_BIND_INDEX_BUFFER |
+                          PIPE_BIND_CONSTANT_BUFFER,
+                          PIPE_USAGE_STREAM, 0);
+}
+
+struct u_upload_mgr *
+u_upload_clone(struct pipe_context *pipe, struct u_upload_mgr *upload)
+{
+   return u_upload_create(pipe, upload->default_size, upload->bind,
+                          upload->usage, upload->flags);
+}
 
-static void upload_unmap_internal(struct u_upload_mgr *upload, boolean destroying)
+static void
+upload_unmap_internal(struct u_upload_mgr *upload, boolean destroying)
 {
    if (!destroying && upload->map_persistent)
       return;
@@ -108,30 +127,32 @@ static void upload_unmap_internal(struct u_upload_mgr *upload, boolean destroyin
 }
 
 
-void u_upload_unmap( struct u_upload_mgr *upload )
+void
+u_upload_unmap(struct u_upload_mgr *upload)
 {
    upload_unmap_internal(upload, FALSE);
 }
 
 
-static void u_upload_release_buffer(struct u_upload_mgr *upload)
+static void
+u_upload_release_buffer(struct u_upload_mgr *upload)
 {
    /* Unmap and unreference the upload buffer. */
    upload_unmap_internal(upload, TRUE);
-   pipe_resource_reference( &upload->buffer, NULL );
+   pipe_resource_reference(&upload->buffer, NULL);
 }
 
 
-void u_upload_destroy( struct u_upload_mgr *upload )
+void
+u_upload_destroy(struct u_upload_mgr *upload)
 {
-   u_upload_release_buffer( upload );
-   FREE( upload );
+   u_upload_release_buffer(upload);
+   FREE(upload);
 }
 
 
 static void
-u_upload_alloc_buffer(struct u_upload_mgr *upload,
-                      unsigned min_size)
+u_upload_alloc_buffer(struct u_upload_mgr *upload, unsigned min_size)
 {
    struct pipe_screen *screen = upload->pipe->screen;
    struct pipe_resource buffer;
@@ -139,9 +160,9 @@ u_upload_alloc_buffer(struct u_upload_mgr *upload,
 
    /* Release the old buffer, if present:
     */
-   u_upload_release_buffer( upload );
+   u_upload_release_buffer(upload);
 
-   /* Allocate a new one: 
+   /* Allocate a new one:
     */
    size = align(MAX2(upload->default_size, min_size), 4096);
 
@@ -149,15 +170,16 @@ u_upload_alloc_buffer(struct u_upload_mgr *upload,
    buffer.target = PIPE_BUFFER;
    buffer.format = PIPE_FORMAT_R8_UNORM; /* want TYPELESS or similar */
    buffer.bind = upload->bind;
-   buffer.usage = PIPE_USAGE_STREAM;
+   buffer.usage = upload->usage;
+   buffer.flags = upload->flags;
    buffer.width0 = size;
    buffer.height0 = 1;
    buffer.depth0 = 1;
    buffer.array_size = 1;
 
    if (upload->map_persistent) {
-      buffer.flags = PIPE_RESOURCE_FLAG_MAP_PERSISTENT |
-                     PIPE_RESOURCE_FLAG_MAP_COHERENT;
+      buffer.flags |= PIPE_RESOURCE_FLAG_MAP_PERSISTENT |
+                      PIPE_RESOURCE_FLAG_MAP_COHERENT;
    }
 
    upload->buffer = screen->resource_create(screen, &buffer);
@@ -181,19 +203,24 @@ void
 u_upload_alloc(struct u_upload_mgr *upload,
                unsigned min_out_offset,
                unsigned size,
+               unsigned alignment,
                unsigned *out_offset,
                struct pipe_resource **outbuf,
                void **ptr)
 {
-   unsigned alloc_size = align(size, upload->alignment);
-   unsigned alloc_offset = align(min_out_offset, upload->alignment);
    unsigned buffer_size = upload->buffer ? upload->buffer->width0 : 0;
    unsigned offset;
 
+   min_out_offset = align(min_out_offset, alignment);
+
+   offset = align(upload->offset, alignment);
+   offset = MAX2(offset, min_out_offset);
+
    /* Make sure we have enough space in the upload buffer
-    * for the sub-allocation. */
-   if (unlikely(MAX2(upload->offset, alloc_offset) + alloc_size > buffer_size)) {
-      u_upload_alloc_buffer(upload, alloc_offset + alloc_size);
+    * for the sub-allocation.
+    */
+   if (unlikely(!upload->buffer || offset + size > buffer_size)) {
+      u_upload_alloc_buffer(upload, min_out_offset + size);
 
       if (unlikely(!upload->buffer)) {
          *out_offset = ~0;
@@ -202,17 +229,16 @@ u_upload_alloc(struct u_upload_mgr *upload,
          return;
       }
 
+      offset = min_out_offset;
       buffer_size = upload->buffer->width0;
    }
 
-   offset = MAX2(upload->offset, alloc_offset);
-
    if (unlikely(!upload->map)) {
       upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
                                           offset,
                                           buffer_size - offset,
                                           upload->map_flags,
-                                         &upload->transfer);
+                                          &upload->transfer);
       if (unlikely(!upload->map)) {
          upload->transfer = NULL;
          *out_offset = ~0;
@@ -224,8 +250,8 @@ u_upload_alloc(struct u_upload_mgr *upload,
       upload->map -= offset;
    }
 
-   assert(offset < upload->buffer->width0);
-   assert(offset + size <= upload->buffer->width0);
+   assert(offset < buffer_size);
+   assert(offset + size <= buffer_size);
    assert(size);
 
    /* Emit the return values: */
@@ -233,51 +259,23 @@ u_upload_alloc(struct u_upload_mgr *upload,
    pipe_resource_reference(outbuf, upload->buffer);
    *out_offset = offset;
 
-   upload->offset = offset + alloc_size;
+   upload->offset = offset + size;
 }
 
-void u_upload_data(struct u_upload_mgr *upload,
-                   unsigned min_out_offset,
-                   unsigned size,
-                   const void *data,
-                   unsigned *out_offset,
-                   struct pipe_resource **outbuf)
+void
+u_upload_data(struct u_upload_mgr *upload,
+              unsigned min_out_offset,
+              unsigned size,
+              unsigned alignment,
+              const void *data,
+              unsigned *out_offset,
+              struct pipe_resource **outbuf)
 {
    uint8_t *ptr;
 
-   u_upload_alloc(upload, min_out_offset, size,
+   u_upload_alloc(upload, min_out_offset, size, alignment,
                   out_offset, outbuf,
                   (void**)&ptr);
    if (ptr)
       memcpy(ptr, data, size);
 }
-
-/* XXX: Remove. It's basically a CPU fallback of resource_copy_region. */
-void 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_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) {
-      pipe_resource_reference(outbuf, NULL);
-      return;
-   }
-
-   if (0)
-      debug_printf("upload ptr %p ofs %d sz %d\n", map, offset, size);
-
-   u_upload_data(upload, min_out_offset, size, map, out_offset, outbuf);
-   pipe_buffer_unmap( upload->pipe, transfer );
-}