diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_staging.h')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_staging.h | 126 |
1 files changed, 63 insertions, 63 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_staging.h b/mesalib/src/gallium/auxiliary/util/u_staging.h index 87eb5a1da..ddbb33443 100644 --- a/mesalib/src/gallium/auxiliary/util/u_staging.h +++ b/mesalib/src/gallium/auxiliary/util/u_staging.h @@ -1,63 +1,63 @@ -/**************************************************************************
- *
- * Copyright 2010 Luca Barbieri
- *
- * 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, sublicense, 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 NONINFRINGEMENT.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
- *
- **************************************************************************/
-
-/* Direct3D 10/11 has no concept of transfers. Applications instead
- * create resources with a STAGING or DYNAMIC usage, copy between them
- * and the real resource and use Map to map the STAGING/DYNAMIC resource.
- *
- * This util module allows to implement Gallium drivers as a Direct3D
- * driver would be implemented: transfers allocate a resource with
- * PIPE_USAGE_STAGING, and copy the data between it and the real resource
- * with resource_copy_region.
- */
-
-#ifndef U_STAGING_H
-#define U_STAGING_H
-
-#include "pipe/p_state.h"
-
-struct util_staging_transfer {
- struct pipe_transfer base;
-
- /* if direct, same as base.resource, otherwise the temporary staging resource */
- struct pipe_resource *staging_resource;
-};
-
-/* user must be stride, slice_stride and offset */
-/* pt->usage == PIPE_USAGE_DYNAMIC || pt->usage == PIPE_USAGE_STAGING should be a good value to pass for direct */
-/* staging resource is currently created with PIPE_USAGE_STAGING */
-struct util_staging_transfer *
-util_staging_transfer_init(struct pipe_context *pipe,
- struct pipe_resource *pt,
- unsigned level,
- unsigned usage,
- const struct pipe_box *box,
- bool direct, struct util_staging_transfer *tx);
-
-void
-util_staging_transfer_destroy(struct pipe_context *pipe, struct pipe_transfer *ptx);
-
-#endif
+/************************************************************************** + * + * Copyright 2010 Luca Barbieri + * + * 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, sublicense, 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 NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. + * + **************************************************************************/ + +/* Direct3D 10/11 has no concept of transfers. Applications instead + * create resources with a STAGING or DYNAMIC usage, copy between them + * and the real resource and use Map to map the STAGING/DYNAMIC resource. + * + * This util module allows to implement Gallium drivers as a Direct3D + * driver would be implemented: transfers allocate a resource with + * PIPE_USAGE_STAGING, and copy the data between it and the real resource + * with resource_copy_region. + */ + +#ifndef U_STAGING_H +#define U_STAGING_H + +#include "pipe/p_state.h" + +struct util_staging_transfer { + struct pipe_transfer base; + + /* if direct, same as base.resource, otherwise the temporary staging resource */ + struct pipe_resource *staging_resource; +}; + +/* user must be stride, slice_stride and offset */ +/* pt->usage == PIPE_USAGE_DYNAMIC || pt->usage == PIPE_USAGE_STAGING should be a good value to pass for direct */ +/* staging resource is currently created with PIPE_USAGE_STAGING */ +struct util_staging_transfer * +util_staging_transfer_init(struct pipe_context *pipe, + struct pipe_resource *pt, + unsigned level, + unsigned usage, + const struct pipe_box *box, + boolean direct, struct util_staging_transfer *tx); + +void +util_staging_transfer_destroy(struct pipe_context *pipe, struct pipe_transfer *ptx); + +#endif |