gallium/radeon: handle TC_TRANSFER_MAP_THREADED_UNSYNC

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>

diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c
index 6a4846a..4132858 100644 (file)
--- a/src/gallium/drivers/radeon/r600_buffer_common.c
+++ b/src/gallium/drivers/radeon/r600_buffer_common.c
@@ -27,6 +27,7 @@
 #include "r600_cs.h"
 #include "util/u_memory.h"
 #include "util/u_upload_mgr.h"
+#include "util/u_threaded_context.h"
 #include <inttypes.h>
 #include <stdio.h>
 
@@ -292,7 +293,12 @@ static void *r600_buffer_get_transfer(struct pipe_context *ctx,
                                      unsigned offset)
 {
        struct r600_common_context *rctx = (struct r600_common_context*)ctx;
-       struct r600_transfer *transfer = slab_alloc(&rctx->pool_transfers);
+       struct r600_transfer *transfer;
+
+       if (usage & TC_TRANSFER_MAP_THREADED_UNSYNC)
+               transfer = slab_alloc(&rctx->pool_transfers_unsync);
+       else
+               transfer = slab_alloc(&rctx->pool_transfers);
 
        transfer->transfer.resource = NULL;
        pipe_resource_reference(&transfer->transfer.resource, resource);
@@ -418,6 +424,7 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx,
                 (rbuffer->flags & RADEON_FLAG_SPARSE)) {
                struct r600_resource *staging;
 
+               assert(!(usage & TC_TRANSFER_MAP_THREADED_UNSYNC));
                staging = (struct r600_resource*) pipe_buffer_create(
                                ctx->screen, 0, PIPE_USAGE_STAGING,
                                box->width + (box->x % R600_MAP_BUFFER_ALIGNMENT));
@@ -507,6 +514,9 @@ static void r600_buffer_transfer_unmap(struct pipe_context *ctx,
                r600_resource_reference(&rtransfer->staging, NULL);
 
        pipe_resource_reference(&transfer->resource, NULL);
+
+       /* Don't use pool_transfers_unsync. We are always in the driver
+        * thread. */
        slab_free(&rctx->pool_transfers, transfer);
 }
 

diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
index 48f0bf9..ccf90bc 100644 (file)
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -610,6 +610,7 @@ bool r600_common_context_init(struct r600_common_context *rctx,
                              unsigned context_flags)
 {
        slab_create_child(&rctx->pool_transfers, &rscreen->pool_transfers);
+       slab_create_child(&rctx->pool_transfers_unsync, &rscreen->pool_transfers);
 
        rctx->screen = rscreen;
        rctx->ws = rscreen->ws;
@@ -713,6 +714,7 @@ void r600_common_context_cleanup(struct r600_common_context *rctx)
                u_upload_destroy(rctx->b.const_uploader);
 
        slab_destroy_child(&rctx->pool_transfers);
+       slab_destroy_child(&rctx->pool_transfers_unsync);
 
        if (rctx->allocator_zeroed_memory) {
                u_suballocator_destroy(rctx->allocator_zeroed_memory);

diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index 3e83d37..51d797a 100644 (file)
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -555,6 +555,7 @@ struct r600_common_context {
 
        struct u_suballocator           *allocator_zeroed_memory;
        struct slab_child_pool          pool_transfers;
+       struct slab_child_pool          pool_transfers_unsync; /* for threaded_context */
 
        /* Current unaccounted memory usage. */
        uint64_t                        vram;