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/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR 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. */
#ifndef R300_CS_H
#define R300_CS_H
#include "radeon_cs.h"
#include "radeon_reg.h"
/* Yes, I know macros are ugly. However, they are much prettier than the code
* that they neatly hide away, and don't have the cost of function setup,so
* we're going to use them. */
#define MAX_CS_SIZE 64 * 1024 / 4
#define CP_PACKET0(register, count) \
(RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2))
#define CS_LOCALS(context) \
struct radeon_cs* cs = context->cs
#define CHECK_CS(size) do { \
if ((cs->cdw + (size) + 128) > MAX_CS_SIZE || radeon_cs_need_flush(cs)) { \
/* XXX flush the CS */ \
} } while (0)
/* XXX radeon_cs_begin is currently unimplemented on the backend, but let's
* be future-proof, yeah? */
#define BEGIN_CS(size) do { \
CHECK_CS(size); \
radeon_cs_begin(cs, (size), __FILE__, __FUNCTION__, __LINE__); \
} while (0)
#define OUT_CS(value) \
radeon_cs_write_dword(cs, value)
#define OUT_CS_REG(register, value) do { \
OUT_CS(CP_PACKET0(register, 0)); \
OUT_CS(value); } while (0)
#define OUT_CS_RELOC(bo, offset, rd, wd, flags) do { \
radeon_cs_write_dword(cs, offset); \
radeon_cs_write_reloc(cs, bo, rd, wd, flags); \
} while (0)
/* XXX more future-proofing */
#define END_CS \
radeon_cs_end(cs, __FILE__, __FUNCTION__, __LINE__)
#endif /* R300_CS_H */
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