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Diffstat (limited to 'src/gallium/drivers/radeon/r600_buffer_common.c')
-rw-r--r--src/gallium/drivers/radeon/r600_buffer_common.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c
index 22bc97e109d..ee05776aed4 100644
--- a/src/gallium/drivers/radeon/r600_buffer_common.c
+++ b/src/gallium/drivers/radeon/r600_buffer_common.c
@@ -303,26 +303,22 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx,
!(usage & PIPE_TRANSFER_WRITE) &&
rbuffer->domains == RADEON_DOMAIN_VRAM &&
r600_can_dma_copy_buffer(rctx, 0, box->x, box->width)) {
- unsigned offset;
- struct r600_resource *staging = NULL;
-
- u_upload_alloc(rctx->uploader, 0,
- box->width + (box->x % R600_MAP_BUFFER_ALIGNMENT),
- &offset, (struct pipe_resource**)&staging, (void**)&data);
+ struct r600_resource *staging;
+ staging = (struct r600_resource*) pipe_buffer_create(
+ ctx->screen, PIPE_BIND_TRANSFER_READ, PIPE_USAGE_STAGING,
+ box->width + (box->x % R600_MAP_BUFFER_ALIGNMENT));
if (staging) {
- data += box->x % R600_MAP_BUFFER_ALIGNMENT;
-
/* Copy the VRAM buffer to the staging buffer. */
rctx->dma_copy(ctx, &staging->b.b, 0,
- offset + box->x % R600_MAP_BUFFER_ALIGNMENT,
+ box->x % R600_MAP_BUFFER_ALIGNMENT,
0, 0, resource, level, box);
- /* Just do the synchronization. The buffer is mapped already. */
- r600_buffer_map_sync_with_rings(rctx, staging, PIPE_TRANSFER_READ);
+ data = r600_buffer_map_sync_with_rings(rctx, staging, PIPE_TRANSFER_READ);
+ data += box->x % R600_MAP_BUFFER_ALIGNMENT;
return r600_buffer_get_transfer(ctx, resource, level, usage, box,
- ptransfer, data, staging, offset);
+ ptransfer, data, staging, 0);
}
}