1 /* 2 * Copyright 2012 Advanced Micro Devices, Inc. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * on the rights to use, copy, modify, merge, publish, distribute, sub 9 * license, and/or sell copies of the Software, and to permit persons to whom 10 * the Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 22 * USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 #ifndef SI_PM4_H 26 #define SI_PM4_H 27 28 #include "radeon/radeon_winsys.h" 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 // forward defines 35 struct si_context; 36 37 /* State atoms are callbacks which write a sequence of packets into a GPU 38 * command buffer (AKA indirect buffer, AKA IB, AKA command stream, AKA CS). 39 */ 40 struct si_atom { 41 void (*emit)(struct si_context *ctx); 42 }; 43 44 struct si_pm4_state { 45 /* PKT3_SET_*_REG handling */ 46 uint16_t last_reg; /* register offset in dwords */ 47 uint16_t last_pm4; 48 uint16_t ndw; /* number of dwords in pm4 */ 49 uint8_t last_opcode; 50 51 /* For shader states only */ 52 bool is_shader; 53 struct si_atom atom; 54 55 /* commands for the DE */ 56 uint16_t max_dw; 57 58 /* This must be the last field because the array can continue after the structure. */ 59 uint32_t pm4[64]; 60 }; 61 62 void si_pm4_cmd_add(struct si_pm4_state *state, uint32_t dw); 63 void si_pm4_set_reg(struct si_pm4_state *state, unsigned reg, uint32_t val); 64 void si_pm4_set_reg_idx3(struct si_pm4_state *state, unsigned reg, uint32_t val); 65 66 void si_pm4_clear_state(struct si_pm4_state *state); 67 void si_pm4_free_state(struct si_context *sctx, struct si_pm4_state *state, unsigned idx); 68 69 void si_pm4_emit(struct si_context *sctx, struct si_pm4_state *state); 70 void si_pm4_reset_emitted(struct si_context *sctx, bool first_cs); 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif 77