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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. */
/**
* This file contains macros for immediate command submission.
*/
#ifndef R300_CS_H
#define R300_CS_H
#include "r300_reg.h"
#include "r300_context.h"
#include "r300_winsys.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. */
#ifdef DEBUG
#define CS_DEBUG(x) x
#else
#define CS_DEBUG(x)
#endif
/**
* Command submission setup.
*/
#define CS_LOCALS(context) \
struct r300_winsys_cs *cs_copy = (context)->cs; \
struct r300_winsys_screen *cs_winsys = (context)->rws; \
int cs_count = 0; (void) cs_count; (void) cs_winsys;
#define BEGIN_CS(size) do { \
assert(size <= (R300_MAX_CMDBUF_DWORDS - cs_copy->cdw)); \
CS_DEBUG(cs_count = size;) \
} while (0)
#ifdef DEBUG
#define END_CS do { \
if (cs_count != 0) \
debug_printf("r300: Warning: cs_count off by %d at (%s, %s:%i)\n", \
cs_count, __FUNCTION__, __FILE__, __LINE__); \
cs_count = 0; \
} while (0)
#else
#define END_CS
#endif
/**
* Writing pure DWORDs.
*/
#define OUT_CS(value) do { \
cs_copy->buf[cs_copy->cdw++] = (value); \
CS_DEBUG(cs_count--;) \
} while (0)
#define OUT_CS_32F(value) \
OUT_CS(fui(value))
#define OUT_CS_REG(register, value) do { \
OUT_CS(CP_PACKET0(register, 0)); \
OUT_CS(value); \
} while (0)
/* Note: This expects count to be the number of registers,
* not the actual packet0 count! */
#define OUT_CS_REG_SEQ(register, count) \
OUT_CS(CP_PACKET0((register), ((count) - 1)))
#define OUT_CS_ONE_REG(register, count) \
OUT_CS(CP_PACKET0((register), ((count) - 1)) | RADEON_ONE_REG_WR)
#define OUT_CS_PKT3(op, count) \
OUT_CS(CP_PACKET3(op, count))
#define OUT_CS_TABLE(values, count) do { \
memcpy(cs_copy->buf + cs_copy->cdw, values, count * 4); \
cs_copy->cdw += count; \
CS_DEBUG(cs_count -= count;) \
} while (0)
/**
* Writing relocations.
*/
#define OUT_CS_RELOC(bo, offset) do { \
assert(bo); \
OUT_CS(offset); \
cs_winsys->cs_write_reloc(cs_copy, bo); \
CS_DEBUG(cs_count -= 2;) \
} while (0)
#define OUT_CS_BUF_RELOC(bo, offset) do { \
assert(bo); \
OUT_CS_RELOC(r300_buffer(bo)->cs_buf, offset); \
} while (0)
#define OUT_CS_TEX_RELOC(tex, offset) do { \
assert(tex); \
OUT_CS_RELOC(tex->cs_buffer, offset); \
} while (0)
#define OUT_CS_BUF_RELOC_NO_OFFSET(bo) do { \
assert(bo); \
cs_winsys->cs_write_reloc(cs_copy, r300_buffer(bo)->cs_buf); \
CS_DEBUG(cs_count -= 2;) \
} while (0)
/**
* Command buffer emission.
*/
#define WRITE_CS_TABLE(values, count) do { \
CS_DEBUG(assert(cs_count == 0);) \
memcpy(cs_copy->buf + cs_copy->cdw, (values), (count) * 4); \
cs_copy->cdw += (count); \
} while (0)
#endif /* R300_CS_H */
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