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/*
* Copyright 2012 Advanced Micro Devices, Inc.
* 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
* 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 SI_PM4_H
#define SI_PM4_H
#include "radeon/radeon_winsys.h"
#define SI_PM4_MAX_DW 176
// forward defines
struct si_context;
/* State atoms are callbacks which write a sequence of packets into a GPU
* command buffer (AKA indirect buffer, AKA IB, AKA command stream, AKA CS).
*/
struct si_atom {
void (*emit)(struct si_context *ctx);
};
struct si_pm4_state {
/* PKT3_SET_*_REG handling */
unsigned last_opcode;
unsigned last_reg;
unsigned last_pm4;
/* commands for the DE */
unsigned ndw;
uint32_t pm4[SI_PM4_MAX_DW];
/* For shader states only */
struct si_shader *shader;
struct si_atom atom;
};
void si_pm4_cmd_begin(struct si_pm4_state *state, unsigned opcode);
void si_pm4_cmd_add(struct si_pm4_state *state, uint32_t dw);
void si_pm4_cmd_end(struct si_pm4_state *state, bool predicate);
void si_pm4_set_reg(struct si_pm4_state *state, unsigned reg, uint32_t val);
void si_pm4_clear_state(struct si_pm4_state *state);
void si_pm4_free_state(struct si_context *sctx, struct si_pm4_state *state, unsigned idx);
void si_pm4_emit(struct si_context *sctx, struct si_pm4_state *state);
void si_pm4_reset_emitted(struct si_context *sctx);
#endif
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