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author | Tim Rowley <timothy.o.rowley@intel.com> | 2016-02-16 17:27:28 -0600 |
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committer | Tim Rowley <timothy.o.rowley@intel.com> | 2016-03-02 18:38:41 -0600 |
commit | 2b2d3680bf164ec4f8b50436b96c3fc195318ea5 (patch) | |
tree | 94a91efdf29f8baf830a7124d49c1d6f9d2647ff /src/gallium/drivers/swr/swr_scratch.h | |
parent | 2eec41f6f1b85b43e38721661f4b21bd982c6a46 (diff) | |
download | external_mesa3d-2b2d3680bf164ec4f8b50436b96c3fc195318ea5.zip external_mesa3d-2b2d3680bf164ec4f8b50436b96c3fc195318ea5.tar.gz external_mesa3d-2b2d3680bf164ec4f8b50436b96c3fc195318ea5.tar.bz2 |
gallium/swr: add OpenSWR driver
OpenSWR is a new software rasterizer for x86 processors designed
for high performance and high scalablility on visualization workloads.
Acked-by: Roland Scheidegger <sroland@vmware.com>
Acked-by: Jose Fonseca <jfonseca@vmware.com>
Diffstat (limited to 'src/gallium/drivers/swr/swr_scratch.h')
-rw-r--r-- | src/gallium/drivers/swr/swr_scratch.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/gallium/drivers/swr/swr_scratch.h b/src/gallium/drivers/swr/swr_scratch.h new file mode 100644 index 0000000..74218d6 --- /dev/null +++ b/src/gallium/drivers/swr/swr_scratch.h @@ -0,0 +1,63 @@ +/**************************************************************************** + * Copyright (C) 2015 Intel Corporation. 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 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 AUTHORS OR COPYRIGHT HOLDERS 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. + ***************************************************************************/ + +#ifndef SWR_SCRATCH_H +#define SWR_SCRATCH_H + +struct swr_scratch_space { + void *head; + unsigned int current_size; + /* TODO XXX: Add a fence for wrap condition. */ + + void *base; +}; + +struct swr_scratch_buffers { + struct swr_scratch_space vs_constants; + struct swr_scratch_space fs_constants; + struct swr_scratch_space vertex_buffer; + struct swr_scratch_space index_buffer; +}; + + +/* + * swr_copy_to_scratch_space + * Copies size bytes of user_buffer into the scratch ring buffer. + * Used to store temporary data such as client arrays and constants. + * + * Inputs: + * space ptr to scratch pool (vs_constants, fs_constants) + * user_buffer, data to copy into scratch space + * size to be copied + * Returns: + * pointer to data copied to scratch space. + */ +void *swr_copy_to_scratch_space(struct swr_context *ctx, + struct swr_scratch_space *space, + const void *user_buffer, + unsigned int size); + +void swr_init_scratch_buffers(struct swr_context *ctx); +void swr_destroy_scratch_buffers(struct swr_context *ctx); + +#endif |