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authormarha <marha@users.sourceforge.net>2014-03-04 12:18:13 +0100
committermarha <marha@users.sourceforge.net>2014-03-04 12:23:48 +0100
commit45392e4a0642880b569ea5d4a350cdc395a2c7db (patch)
treec3c2a49de903a18c3f8e1bf79684c29337ebcf7c /mesalib/src/gallium/auxiliary/util/u_upload_mgr.c
parent5ec0616d4e3c4c6095f4975abbe9c21e5b6af967 (diff)
parent321c01267ae1c446f1bd22b642567fcafa016c02 (diff)
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Merge remote-tracking branch 'origin/released'
* origin/released: libX11 libxcb mesa xserver xcb-proto xkeyboard-config git update 4 Mar 2014 Conflicts: mesalib/src/mapi/glapi/glapi.h mesalib/src/mapi/glapi/glthread.c mesalib/src/mesa/drivers/dri/common/dri_util.c mesalib/src/mesa/main/bufferobj.c xorg-server/dix/dispatch.c xorg-server/hw/xwin/glx/gen_gl_wrappers.py xorg-server/hw/xwin/winmultiwindowwm.c
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_upload_mgr.c')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_upload_mgr.c75
1 files changed, 55 insertions, 20 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_upload_mgr.c b/mesalib/src/gallium/auxiliary/util/u_upload_mgr.c
index 7349d0068..744ea2e5e 100644
--- a/mesalib/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/mesalib/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -44,11 +44,12 @@ struct u_upload_mgr {
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. */
+ unsigned map_flags; /* Bitmask of PIPE_TRANSFER_* flags. */
+ boolean map_persistent; /* If persistent mappings are supported. */
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. */
};
@@ -67,20 +68,39 @@ struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
upload->default_size = default_size;
upload->alignment = alignment;
upload->bind = bind;
- upload->buffer = NULL;
+
+ upload->map_persistent =
+ pipe->screen->get_param(pipe->screen,
+ PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT);
+
+ if (upload->map_persistent) {
+ upload->map_flags = PIPE_TRANSFER_WRITE |
+ PIPE_TRANSFER_PERSISTENT |
+ PIPE_TRANSFER_COHERENT;
+ }
+ else {
+ upload->map_flags = PIPE_TRANSFER_WRITE |
+ PIPE_TRANSFER_UNSYNCHRONIZED |
+ PIPE_TRANSFER_FLUSH_EXPLICIT;
+ }
return upload;
}
-void u_upload_unmap( struct u_upload_mgr *upload )
+
+static void upload_unmap_internal(struct u_upload_mgr *upload, boolean destroying)
{
+ if (!destroying && upload->map_persistent)
+ return;
+
if (upload->transfer) {
struct pipe_box *box = &upload->transfer->box;
- if ((int) upload->offset > box->x) {
+ if (!upload->map_persistent && (int) 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);
upload->transfer = NULL;
upload->map = NULL;
@@ -88,12 +108,17 @@ 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)
{
/* Unmap and unreference the upload buffer. */
- u_upload_unmap(upload);
+ upload_unmap_internal(upload, TRUE);
pipe_resource_reference( &upload->buffer, NULL );
- upload->size = 0;
}
@@ -108,6 +133,8 @@ static enum pipe_error
u_upload_alloc_buffer( struct u_upload_mgr *upload,
unsigned min_size )
{
+ struct pipe_screen *screen = upload->pipe->screen;
+ struct pipe_resource buffer;
unsigned size;
/* Release the old buffer, if present:
@@ -118,28 +145,36 @@ 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->bind,
- PIPE_USAGE_STREAM,
- size );
+ memset(&buffer, 0, sizeof buffer);
+ buffer.target = PIPE_BUFFER;
+ buffer.format = PIPE_FORMAT_R8_UNORM; /* want TYPELESS or similar */
+ buffer.bind = upload->bind;
+ buffer.usage = PIPE_USAGE_STREAM;
+ 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;
+ }
+
+ upload->buffer = screen->resource_create(screen, &buffer);
if (upload->buffer == NULL) {
return PIPE_ERROR_OUT_OF_MEMORY;
}
/* Map the new buffer. */
upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
- 0, size,
- PIPE_TRANSFER_WRITE |
- PIPE_TRANSFER_FLUSH_EXPLICIT,
+ 0, size, upload->map_flags,
&upload->transfer);
if (upload->map == NULL) {
upload->transfer = NULL;
- upload->size = 0;
pipe_resource_reference(&upload->buffer, NULL);
return PIPE_ERROR_OUT_OF_MEMORY;
}
- upload->size = size;
upload->offset = 0;
return PIPE_OK;
}
@@ -164,7 +199,8 @@ enum pipe_error u_upload_alloc( struct u_upload_mgr *upload,
/* Make sure we have enough space in the upload buffer
* for the sub-allocation. */
- if (MAX2(upload->offset, alloc_offset) + alloc_size > upload->size) {
+ if (!upload->buffer ||
+ MAX2(upload->offset, alloc_offset) + alloc_size > upload->buffer->width0) {
enum pipe_error ret = u_upload_alloc_buffer(upload,
alloc_offset + alloc_size);
if (ret != PIPE_OK)
@@ -175,10 +211,9 @@ enum pipe_error u_upload_alloc( struct u_upload_mgr *upload,
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,
+ offset,
+ upload->buffer->width0 - offset,
+ upload->map_flags,
&upload->transfer);
if (!upload->map) {
upload->transfer = NULL;