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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.
*/
#include "si_pipe.h"
#include "si_build_pm4.h"
#include "sid.h"
#include "util/u_memory.h"
static void si_pm4_cmd_begin(struct si_pm4_state *state, unsigned opcode)
{
assert(state->ndw < SI_PM4_MAX_DW);
state->last_opcode = opcode;
state->last_pm4 = state->ndw++;
}
void si_pm4_cmd_add(struct si_pm4_state *state, uint32_t dw)
{
assert(state->ndw < SI_PM4_MAX_DW);
state->pm4[state->ndw++] = dw;
state->last_opcode = -1;
}
static void si_pm4_cmd_end(struct si_pm4_state *state, bool predicate)
{
unsigned count;
count = state->ndw - state->last_pm4 - 2;
state->pm4[state->last_pm4] = PKT3(state->last_opcode, count, predicate);
}
void si_pm4_set_reg(struct si_pm4_state *state, unsigned reg, uint32_t val)
{
unsigned opcode;
SI_CHECK_SHADOWED_REGS(reg, 1);
if (reg >= SI_CONFIG_REG_OFFSET && reg < SI_CONFIG_REG_END) {
opcode = PKT3_SET_CONFIG_REG;
reg -= SI_CONFIG_REG_OFFSET;
} else if (reg >= SI_SH_REG_OFFSET && reg < SI_SH_REG_END) {
opcode = PKT3_SET_SH_REG;
reg -= SI_SH_REG_OFFSET;
} else if (reg >= SI_CONTEXT_REG_OFFSET && reg < SI_CONTEXT_REG_END) {
opcode = PKT3_SET_CONTEXT_REG;
reg -= SI_CONTEXT_REG_OFFSET;
} else if (reg >= CIK_UCONFIG_REG_OFFSET && reg < CIK_UCONFIG_REG_END) {
opcode = PKT3_SET_UCONFIG_REG;
reg -= CIK_UCONFIG_REG_OFFSET;
} else {
PRINT_ERR("Invalid register offset %08x!\n", reg);
return;
}
reg >>= 2;
assert(state->ndw + 2 <= SI_PM4_MAX_DW);
if (opcode != state->last_opcode || reg != (state->last_reg + 1)) {
si_pm4_cmd_begin(state, opcode);
state->pm4[state->ndw++] = reg;
}
state->last_reg = reg;
state->pm4[state->ndw++] = val;
si_pm4_cmd_end(state, false);
}
void si_pm4_clear_state(struct si_pm4_state *state)
{
state->ndw = 0;
}
void si_pm4_free_state(struct si_context *sctx, struct si_pm4_state *state, unsigned idx)
{
if (!state)
return;
if (idx != ~0 && sctx->emitted.array[idx] == state) {
sctx->emitted.array[idx] = NULL;
}
si_pm4_clear_state(state);
FREE(state);
}
void si_pm4_emit(struct si_context *sctx, struct si_pm4_state *state)
{
struct radeon_cmdbuf *cs = &sctx->gfx_cs;
if (state->shader) {
radeon_add_to_buffer_list(sctx, &sctx->gfx_cs, state->shader->bo,
RADEON_USAGE_READ, RADEON_PRIO_SHADER_BINARY);
}
radeon_begin(cs);
radeon_emit_array(cs, state->pm4, state->ndw);
radeon_end();
if (state->atom.emit)
state->atom.emit(sctx);
}
void si_pm4_reset_emitted(struct si_context *sctx, bool first_cs)
{
if (!first_cs && sctx->shadowed_regs) {
/* Only dirty states that contain buffers, so that they are
* added to the buffer list on the next draw call.
*/
for (unsigned i = 0; i < SI_NUM_STATES; i++) {
struct si_pm4_state *state = sctx->emitted.array[i];
if (state && state->shader) {
sctx->emitted.array[i] = NULL;
sctx->dirty_states |= 1 << i;
}
}
return;
}
memset(&sctx->emitted, 0, sizeof(sctx->emitted));
for (unsigned i = 0; i < SI_NUM_STATES; i++) {
if (sctx->queued.array[i])
sctx->dirty_states |= BITFIELD_BIT(i);
}
}
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