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/*
* Copyright 2012 Advanced Micro Devices, Inc.
*
* 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.
*
* Authors:
* Christian König <christian.koenig@amd.com>
*/
#include "radeon/r600_cs.h"
#include "util/u_memory.h"
#include "si_pipe.h"
#include "sid.h"
#define NUMBER_OF_STATES (sizeof(union si_state) / sizeof(struct si_pm4_state *))
void si_pm4_cmd_begin(struct si_pm4_state *state, unsigned opcode)
{
state->last_opcode = opcode;
state->last_pm4 = state->ndw++;
}
void si_pm4_cmd_add(struct si_pm4_state *state, uint32_t dw)
{
state->pm4[state->ndw++] = dw;
}
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)
| PKT3_SHADER_TYPE_S(state->compute_pkt);
assert(state->ndw <= SI_PM4_MAX_DW);
}
void si_pm4_set_reg(struct si_pm4_state *state, unsigned reg, uint32_t val)
{
unsigned opcode;
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 {
R600_ERR("Invalid register offset %08x!\n", reg);
return;
}
reg >>= 2;
if (opcode != state->last_opcode || reg != (state->last_reg + 1)) {
si_pm4_cmd_begin(state, opcode);
si_pm4_cmd_add(state, reg);
}
state->last_reg = reg;
si_pm4_cmd_add(state, val);
si_pm4_cmd_end(state, false);
}
void si_pm4_add_bo(struct si_pm4_state *state,
struct r600_resource *bo,
enum radeon_bo_usage usage,
enum radeon_bo_priority priority)
{
unsigned idx = state->nbo++;
assert(idx < SI_PM4_MAX_BO);
r600_resource_reference(&state->bo[idx], bo);
state->bo_usage[idx] = usage;
state->bo_priority[idx] = priority;
}
void si_pm4_free_state_simple(struct si_pm4_state *state)
{
for (int i = 0; i < state->nbo; ++i)
r600_resource_reference(&state->bo[i], NULL);
FREE(state);
}
void si_pm4_free_state(struct si_context *sctx,
struct si_pm4_state *state,
unsigned idx)
{
if (state == NULL)
return;
if (idx != ~0 && sctx->emitted.array[idx] == state) {
sctx->emitted.array[idx] = NULL;
}
si_pm4_free_state_simple(state);
}
unsigned si_pm4_dirty_dw(struct si_context *sctx)
{
unsigned count = 0;
for (int i = 0; i < NUMBER_OF_STATES; ++i) {
struct si_pm4_state *state = sctx->queued.array[i];
if (!state || sctx->emitted.array[i] == state)
continue;
count += state->ndw;
}
return count;
}
void si_pm4_emit(struct si_context *sctx, struct si_pm4_state *state)
{
struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
for (int i = 0; i < state->nbo; ++i) {
radeon_add_to_buffer_list(&sctx->b, &sctx->b.rings.gfx, state->bo[i],
state->bo_usage[i], state->bo_priority[i]);
}
memcpy(&cs->buf[cs->cdw], state->pm4, state->ndw * 4);
for (int i = 0; i < state->nrelocs; ++i) {
cs->buf[cs->cdw + state->relocs[i]] += cs->cdw << 2;
}
cs->cdw += state->ndw;
}
void si_pm4_emit_dirty(struct si_context *sctx)
{
for (int i = 0; i < NUMBER_OF_STATES; ++i) {
struct si_pm4_state *state = sctx->queued.array[i];
if (!state || sctx->emitted.array[i] == state)
continue;
si_pm4_emit(sctx, state);
sctx->emitted.array[i] = state;
}
}
void si_pm4_reset_emitted(struct si_context *sctx)
{
memset(&sctx->emitted, 0, sizeof(sctx->emitted));
}
void si_pm4_cleanup(struct si_context *sctx)
{
for (int i = 0; i < NUMBER_OF_STATES; ++i) {
si_pm4_free_state(sctx, sctx->queued.array[i], i);
}
}
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