128 lines
3.6 KiB
C
128 lines
3.6 KiB
C
/*
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* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**
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* This file contains macros for immediate command submission.
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*/
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#ifndef R300_CS_H
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#define R300_CS_H
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#include "r300_reg.h"
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#include "r300_context.h"
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/* Yes, I know macros are ugly. However, they are much prettier than the code
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* that they neatly hide away, and don't have the cost of function setup,so
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* we're going to use them. */
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/**
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* Command submission setup.
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*/
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#define CS_LOCALS(context) \
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struct radeon_cmdbuf *cs_copy = &(context)->cs; \
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struct radeon_winsys *cs_winsys = (context)->rws; \
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int cs_count = 0; (void) cs_count; (void) cs_winsys;
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#ifdef DEBUG
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#define BEGIN_CS(size) do { \
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assert(size <= (cs_copy->current.max_dw - cs_copy->current.cdw)); \
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cs_count = size; \
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} while (0)
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#define END_CS do { \
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if (cs_count != 0) \
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debug_printf("r300: Warning: cs_count off by %d at (%s, %s:%i)\n", \
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cs_count, __FUNCTION__, __FILE__, __LINE__); \
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cs_count = 0; \
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} while (0)
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#define CS_USED_DW(x) cs_count -= (x)
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#else
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#define BEGIN_CS(size)
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#define END_CS
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#define CS_USED_DW(x)
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#endif
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/**
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* Writing pure DWORDs.
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*/
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#define OUT_CS(value) do { \
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cs_copy->current.buf[cs_copy->current.cdw++] = (value); \
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CS_USED_DW(1); \
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} while (0)
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#define OUT_CS_32F(value) \
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OUT_CS(fui(value))
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#define OUT_CS_REG(register, value) do { \
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OUT_CS(CP_PACKET0(register, 0)); \
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OUT_CS(value); \
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} while (0)
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/* Note: This expects count to be the number of registers,
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* not the actual packet0 count! */
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#define OUT_CS_REG_SEQ(register, count) \
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OUT_CS(CP_PACKET0((register), ((count) - 1)))
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#define OUT_CS_ONE_REG(register, count) \
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OUT_CS(CP_PACKET0((register), ((count) - 1)) | RADEON_ONE_REG_WR)
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#define OUT_CS_PKT3(op, count) \
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OUT_CS(CP_PACKET3(op, count))
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#define OUT_CS_TABLE(values, count) do { \
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memcpy(cs_copy->current.buf + cs_copy->current.cdw, (values), (count) * 4); \
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cs_copy->current.cdw += (count); \
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CS_USED_DW(count); \
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} while (0)
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/**
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* Writing buffers.
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*/
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#define OUT_CS_RELOC(r) do { \
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assert((r)); \
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assert((r)->buf); \
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OUT_CS(0xc0001000); /* PKT3_NOP */ \
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OUT_CS(cs_winsys->cs_lookup_buffer(cs_copy, (r)->buf) * 4); \
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} while (0)
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/**
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* Command buffer emission.
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*/
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#define WRITE_CS_TABLE(values, count) do { \
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assert(cs_count == 0); \
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memcpy(cs_copy->current.buf + cs_copy->current.cdw, (values), (count) * 4); \
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cs_copy->current.cdw += (count); \
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} while (0)
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#endif /* R300_CS_H */
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