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/*
* Copyright © 2021 Google
*
* SPDX-License-Identifier: MIT
*/
#include "radv_device_generated_commands.h"
#include "meta/radv_meta.h"
#include "radv_entrypoints.h"
#include "ac_rgp.h"
#include "nir_builder.h"
#include "vk_common_entrypoints.h"
#include "vk_shader_module.h"
static void
radv_get_sequence_size_compute(const struct radv_indirect_command_layout *layout,
const struct radv_compute_pipeline *pipeline, uint32_t *cmd_size)
{
const struct radv_device *device = container_of(layout->base.device, struct radv_device, vk);
const struct radv_physical_device *pdev = radv_device_physical(device);
/* dispatch */
*cmd_size += 5 * 4;
if (pipeline) {
struct radv_shader *cs = radv_get_shader(pipeline->base.shaders, MESA_SHADER_COMPUTE);
const struct radv_userdata_info *loc = radv_get_user_sgpr(cs, AC_UD_CS_GRID_SIZE);
if (loc->sgpr_idx != -1) {
if (device->load_grid_size_from_user_sgpr) {
/* PKT3_SET_SH_REG for immediate values */
*cmd_size += 5 * 4;
} else {
/* PKT3_SET_SH_REG for pointer */
*cmd_size += 4 * 4;
}
}
} else {
/* COMPUTE_PGM_{LO,RSRC1,RSRC2} */
*cmd_size += 7 * 4;
if (pdev->info.gfx_level >= GFX10) {
/* COMPUTE_PGM_RSRC3 */
*cmd_size += 3 * 4;
}
/* COMPUTE_{RESOURCE_LIMITS,NUM_THREADS_X} */
*cmd_size += 8 * 4;
/* Assume the compute shader needs grid size because we can't know the information for
* indirect pipelines.
*/
if (device->load_grid_size_from_user_sgpr) {
/* PKT3_SET_SH_REG for immediate values */
*cmd_size += 5 * 4;
} else {
/* PKT3_SET_SH_REG for pointer */
*cmd_size += 4 * 4;
}
}
if (device->sqtt.bo) {
/* sqtt markers */
*cmd_size += 8 * 3 * 4;
}
}
static void
radv_get_sequence_size_graphics(const struct radv_indirect_command_layout *layout,
const struct radv_graphics_pipeline *pipeline, uint32_t *cmd_size,
uint32_t *upload_size)
{
const struct radv_device *device = container_of(layout->base.device, struct radv_device, vk);
const struct radv_physical_device *pdev = radv_device_physical(device);
const struct radv_shader *vs = radv_get_shader(pipeline->base.shaders, MESA_SHADER_VERTEX);
if (layout->bind_vbo_mask) {
*upload_size += 16 * util_bitcount(vs->info.vs.vb_desc_usage_mask);
/* One PKT3_SET_SH_REG for emitting VBO pointer (32-bit) */
*cmd_size += 3 * 4;
}
if (layout->binds_index_buffer) {
/* Index type write (normal reg write) + index buffer base write (64-bits, but special packet
* so only 1 word overhead) + index buffer size (again, special packet so only 1 word
* overhead)
*/
*cmd_size += (3 + 3 + 2) * 4;
}
if (layout->indexed) {
if (layout->binds_index_buffer) {
/* userdata writes + instance count + indexed draw */
*cmd_size += (5 + 2 + 5) * 4;
} else {
/* PKT3_SET_BASE + PKT3_DRAW_{INDEX}_INDIRECT_MULTI */
*cmd_size += (4 + (pipeline->uses_drawid ? 10 : 5)) * 4;
}
} else {
if (layout->draw_mesh_tasks) {
/* userdata writes + instance count + non-indexed draw */
*cmd_size += (6 + 2 + (pdev->mesh_fast_launch_2 ? 5 : 3)) * 4;
} else {
/* userdata writes + instance count + non-indexed draw */
*cmd_size += (5 + 2 + 3) * 4;
}
}
if (device->sqtt.bo) {
/* sqtt markers */
*cmd_size += 5 * 3 * 4;
}
}
static void
radv_get_sequence_size(const struct radv_indirect_command_layout *layout, struct radv_pipeline *pipeline,
uint32_t *cmd_size, uint32_t *upload_size)
{
const struct radv_device *device = container_of(layout->base.device, struct radv_device, vk);
*cmd_size = 0;
*upload_size = 0;
if (layout->push_constant_mask) {
bool need_copy = false;
if (pipeline) {
for (unsigned i = 0; i < ARRAY_SIZE(pipeline->shaders); ++i) {
if (!pipeline->shaders[i])
continue;
struct radv_userdata_locations *locs = &pipeline->shaders[i]->info.user_sgprs_locs;
if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0) {
/* One PKT3_SET_SH_REG for emitting push constants pointer (32-bit) */
*cmd_size += 3 * 4;
need_copy = true;
}
if (locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].sgpr_idx >= 0)
/* One PKT3_SET_SH_REG writing all inline push constants. */
*cmd_size += (3 * util_bitcount64(layout->push_constant_mask)) * 4;
}
} else {
/* Assume the compute shader needs both user SGPRs because we can't know the information
* for indirect pipelines.
*/
assert(layout->pipeline_bind_point == VK_PIPELINE_BIND_POINT_COMPUTE);
*cmd_size += 3 * 4;
need_copy = true;
*cmd_size += (3 * util_bitcount64(layout->push_constant_mask)) * 4;
}
if (need_copy) {
*upload_size += align(layout->push_constant_size + 16 * layout->dynamic_offset_count, 16);
}
}
if (device->sqtt.bo) {
/* THREAD_TRACE_MARKER */
*cmd_size += 2 * 4;
}
if (layout->pipeline_bind_point == VK_PIPELINE_BIND_POINT_GRAPHICS) {
struct radv_graphics_pipeline *graphics_pipeline = radv_pipeline_to_graphics(pipeline);
radv_get_sequence_size_graphics(layout, graphics_pipeline, cmd_size, upload_size);
} else {
assert(layout->pipeline_bind_point == VK_PIPELINE_BIND_POINT_COMPUTE);
struct radv_compute_pipeline *compute_pipeline = pipeline ? radv_pipeline_to_compute(pipeline) : NULL;
radv_get_sequence_size_compute(layout, compute_pipeline, cmd_size);
}
}
static uint32_t
radv_align_cmdbuf_size(const struct radv_device *device, uint32_t size, enum amd_ip_type ip_type)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
const uint32_t ib_alignment = pdev->info.ip[ip_type].ib_alignment;
return align(size, ib_alignment);
}
static unsigned
radv_dgc_preamble_cmdbuf_size(const struct radv_device *device)
{
return radv_align_cmdbuf_size(device, 16, AMD_IP_GFX);
}
static bool
radv_dgc_use_preamble(const VkGeneratedCommandsInfoNV *cmd_info)
{
/* Heuristic on when the overhead for the preamble (i.e. double jump) is worth it. Obviously
* a bit of a guess as it depends on the actual count which we don't know. */
return cmd_info->sequencesCountBuffer != VK_NULL_HANDLE && cmd_info->sequencesCount >= 64;
}
uint32_t
radv_get_indirect_cmdbuf_size(const VkGeneratedCommandsInfoNV *cmd_info)
{
VK_FROM_HANDLE(radv_indirect_command_layout, layout, cmd_info->indirectCommandsLayout);
VK_FROM_HANDLE(radv_pipeline, pipeline, cmd_info->pipeline);
const struct radv_device *device = container_of(layout->base.device, struct radv_device, vk);
if (radv_dgc_use_preamble(cmd_info))
return radv_dgc_preamble_cmdbuf_size(device);
uint32_t cmd_size, upload_size;
radv_get_sequence_size(layout, pipeline, &cmd_size, &upload_size);
return radv_align_cmdbuf_size(device, cmd_size * cmd_info->sequencesCount, AMD_IP_GFX);
}
struct radv_dgc_params {
uint32_t cmd_buf_stride;
uint32_t cmd_buf_size;
uint32_t upload_stride;
uint32_t upload_addr;
uint32_t sequence_count;
uint32_t stream_stride;
uint64_t stream_addr;
/* draw info */
uint16_t draw_indexed;
uint16_t draw_params_offset;
uint16_t binds_index_buffer;
uint16_t vtx_base_sgpr;
uint32_t max_index_count;
uint8_t draw_mesh_tasks;
/* dispatch info */
uint32_t dispatch_initiator;
uint16_t dispatch_params_offset;
uint16_t grid_base_sgpr;
/* bind index buffer info. Valid if binds_index_buffer == true && draw_indexed */
uint16_t index_buffer_offset;
uint8_t vbo_cnt;
uint8_t const_copy;
/* Which VBOs are set in this indirect layout. */
uint32_t vbo_bind_mask;
uint16_t vbo_reg;
uint16_t const_copy_size;
uint64_t push_constant_mask;
uint32_t ibo_type_32;
uint32_t ibo_type_8;
uint16_t push_constant_shader_cnt;
uint8_t is_dispatch;
uint8_t use_preamble;
/* For conditional rendering on ACE. */
uint8_t predicating;
uint8_t predication_type;
uint64_t predication_va;
uint8_t bind_pipeline;
uint16_t pipeline_params_offset;
};
enum {
DGC_USES_DRAWID = 1u << 14,
DGC_USES_BASEINSTANCE = 1u << 15,
DGC_USES_GRID_SIZE = DGC_USES_BASEINSTANCE, /* Mesh shader only */
};
enum {
DGC_DYNAMIC_STRIDE = 1u << 15,
};
enum {
DGC_DESC_STREAM,
DGC_DESC_PREPARE,
DGC_DESC_PARAMS,
DGC_DESC_COUNT,
DGC_NUM_DESCS,
};
struct dgc_cmdbuf {
nir_def *descriptor;
nir_variable *offset;
enum amd_gfx_level gfx_level;
bool sqtt_enabled;
};
static void
dgc_emit(nir_builder *b, struct dgc_cmdbuf *cs, unsigned count, nir_def **values)
{
for (unsigned i = 0; i < count; i += 4) {
nir_def *offset = nir_load_var(b, cs->offset);
nir_def *store_val = nir_vec(b, values + i, MIN2(count - i, 4));
assert(store_val->bit_size >= 32);
nir_store_ssbo(b, store_val, cs->descriptor, offset, .access = ACCESS_NON_READABLE);
nir_store_var(b, cs->offset, nir_iadd_imm(b, offset, store_val->num_components * store_val->bit_size / 8), 0x1);
}
}
static void
dgc_emit1(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *value)
{
dgc_emit(b, cs, 1, &value);
}
#define load_param32(b, field) \
nir_load_push_constant((b), 1, 32, nir_imm_int((b), 0), .base = offsetof(struct radv_dgc_params, field), .range = 4)
#define load_param16(b, field) \
nir_ubfe_imm((b), \
nir_load_push_constant((b), 1, 32, nir_imm_int((b), 0), \
.base = (offsetof(struct radv_dgc_params, field) & ~3), .range = 4), \
(offsetof(struct radv_dgc_params, field) & 2) * 8, 16)
#define load_param8(b, field) \
nir_ubfe_imm((b), \
nir_load_push_constant((b), 1, 32, nir_imm_int((b), 0), \
.base = (offsetof(struct radv_dgc_params, field) & ~3), .range = 4), \
(offsetof(struct radv_dgc_params, field) & 3) * 8, 8)
#define load_param64(b, field) \
nir_pack_64_2x32((b), nir_load_push_constant((b), 2, 32, nir_imm_int((b), 0), \
.base = offsetof(struct radv_dgc_params, field), .range = 8))
/* Pipeline metadata */
#define load_metadata32(b, field) \
nir_load_global( \
b, nir_iadd(b, pipeline_va, nir_imm_int64(b, offsetof(struct radv_compute_pipeline_metadata, field))), 4, 1, 32)
#define load_metadata64(b, field) \
nir_load_global( \
b, nir_iadd(b, pipeline_va, nir_imm_int64(b, offsetof(struct radv_compute_pipeline_metadata, field))), 4, 1, 64)
static nir_def *
nir_pkt3_base(nir_builder *b, unsigned op, nir_def *len, bool predicate)
{
len = nir_iand_imm(b, len, 0x3fff);
return nir_ior_imm(b, nir_ishl_imm(b, len, 16), PKT_TYPE_S(3) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate));
}
static nir_def *
nir_pkt3(nir_builder *b, unsigned op, nir_def *len)
{
return nir_pkt3_base(b, op, len, false);
}
static nir_def *
dgc_get_nop_packet(nir_builder *b, const struct radv_device *device)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
if (pdev->info.gfx_ib_pad_with_type2) {
return nir_imm_int(b, PKT2_NOP_PAD);
} else {
return nir_imm_int(b, PKT3_NOP_PAD);
}
}
static void
dgc_emit_userdata_vertex(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *vtx_base_sgpr, nir_def *first_vertex,
nir_def *first_instance, nir_def *drawid, const struct radv_device *device)
{
vtx_base_sgpr = nir_u2u32(b, vtx_base_sgpr);
nir_def *has_drawid = nir_test_mask(b, vtx_base_sgpr, DGC_USES_DRAWID);
nir_def *has_baseinstance = nir_test_mask(b, vtx_base_sgpr, DGC_USES_BASEINSTANCE);
nir_def *pkt_cnt = nir_imm_int(b, 1);
pkt_cnt = nir_bcsel(b, has_drawid, nir_iadd_imm(b, pkt_cnt, 1), pkt_cnt);
pkt_cnt = nir_bcsel(b, has_baseinstance, nir_iadd_imm(b, pkt_cnt, 1), pkt_cnt);
nir_def *values[5] = {
nir_pkt3(b, PKT3_SET_SH_REG, pkt_cnt), nir_iand_imm(b, vtx_base_sgpr, 0x3FFF), first_vertex,
dgc_get_nop_packet(b, device), dgc_get_nop_packet(b, device),
};
values[3] = nir_bcsel(b, nir_ior(b, has_drawid, has_baseinstance), nir_bcsel(b, has_drawid, drawid, first_instance),
values[4]);
values[4] = nir_bcsel(b, nir_iand(b, has_drawid, has_baseinstance), first_instance, values[4]);
dgc_emit(b, cs, 5, values);
}
static void
dgc_emit_userdata_mesh(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *vtx_base_sgpr, nir_def *x, nir_def *y,
nir_def *z, nir_def *drawid, const struct radv_device *device)
{
vtx_base_sgpr = nir_u2u32(b, vtx_base_sgpr);
nir_def *has_grid_size = nir_test_mask(b, vtx_base_sgpr, DGC_USES_GRID_SIZE);
nir_def *has_drawid = nir_test_mask(b, vtx_base_sgpr, DGC_USES_DRAWID);
nir_push_if(b, nir_ior(b, has_grid_size, has_drawid));
{
nir_def *pkt_cnt = nir_imm_int(b, 0);
pkt_cnt = nir_bcsel(b, has_grid_size, nir_iadd_imm(b, pkt_cnt, 3), pkt_cnt);
pkt_cnt = nir_bcsel(b, has_drawid, nir_iadd_imm(b, pkt_cnt, 1), pkt_cnt);
nir_def *values[6] = {
nir_pkt3(b, PKT3_SET_SH_REG, pkt_cnt), nir_iand_imm(b, vtx_base_sgpr, 0x3FFF), dgc_get_nop_packet(b, device),
dgc_get_nop_packet(b, device), dgc_get_nop_packet(b, device), dgc_get_nop_packet(b, device),
};
/* DrawID needs to be first if no GridSize. */
values[2] = nir_bcsel(b, has_grid_size, x, drawid);
values[3] = nir_bcsel(b, has_grid_size, y, values[3]);
values[4] = nir_bcsel(b, has_grid_size, z, values[4]);
values[5] = nir_bcsel(b, has_drawid, drawid, values[5]);
dgc_emit(b, cs, ARRAY_SIZE(values), values);
}
nir_pop_if(b, NULL);
}
static void
dgc_emit_sqtt_userdata(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *data)
{
if (!cs->sqtt_enabled)
return;
nir_def *values[3] = {
nir_pkt3_base(b, PKT3_SET_UCONFIG_REG, nir_imm_int(b, 1), cs->gfx_level >= GFX10),
nir_imm_int(b, (R_030D08_SQ_THREAD_TRACE_USERDATA_2 - CIK_UCONFIG_REG_OFFSET) >> 2),
data,
};
dgc_emit(b, cs, 3, values);
}
static void
dgc_emit_sqtt_thread_trace_marker(nir_builder *b, struct dgc_cmdbuf *cs)
{
if (!cs->sqtt_enabled)
return;
nir_def *values[2] = {
nir_pkt3(b, PKT3_EVENT_WRITE, nir_imm_int(b, 0)),
nir_imm_int(b, EVENT_TYPE(V_028A90_THREAD_TRACE_MARKER | EVENT_INDEX(0))),
};
dgc_emit(b, cs, 2, values);
}
static void
dgc_emit_sqtt_marker_event(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *sequence_id,
enum rgp_sqtt_marker_event_type event)
{
struct rgp_sqtt_marker_event marker = {0};
marker.identifier = RGP_SQTT_MARKER_IDENTIFIER_EVENT;
marker.api_type = event;
dgc_emit_sqtt_userdata(b, cs, nir_imm_int(b, marker.dword01));
dgc_emit_sqtt_userdata(b, cs, nir_imm_int(b, marker.dword02));
dgc_emit_sqtt_userdata(b, cs, sequence_id);
}
static void
dgc_emit_sqtt_marker_event_with_dims(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *sequence_id, nir_def *x,
nir_def *y, nir_def *z, enum rgp_sqtt_marker_event_type event)
{
struct rgp_sqtt_marker_event_with_dims marker = {0};
marker.event.identifier = RGP_SQTT_MARKER_IDENTIFIER_EVENT;
marker.event.api_type = event;
marker.event.has_thread_dims = 1;
dgc_emit_sqtt_userdata(b, cs, nir_imm_int(b, marker.event.dword01));
dgc_emit_sqtt_userdata(b, cs, nir_imm_int(b, marker.event.dword02));
dgc_emit_sqtt_userdata(b, cs, sequence_id);
dgc_emit_sqtt_userdata(b, cs, x);
dgc_emit_sqtt_userdata(b, cs, y);
dgc_emit_sqtt_userdata(b, cs, z);
}
static void
dgc_emit_sqtt_begin_api_marker(nir_builder *b, struct dgc_cmdbuf *cs, enum rgp_sqtt_marker_general_api_type api_type)
{
struct rgp_sqtt_marker_general_api marker = {0};
marker.identifier = RGP_SQTT_MARKER_IDENTIFIER_GENERAL_API;
marker.api_type = api_type;
dgc_emit_sqtt_userdata(b, cs, nir_imm_int(b, marker.dword01));
}
static void
dgc_emit_sqtt_end_api_marker(nir_builder *b, struct dgc_cmdbuf *cs, enum rgp_sqtt_marker_general_api_type api_type)
{
struct rgp_sqtt_marker_general_api marker = {0};
marker.identifier = RGP_SQTT_MARKER_IDENTIFIER_GENERAL_API;
marker.api_type = api_type;
marker.is_end = 1;
dgc_emit_sqtt_userdata(b, cs, nir_imm_int(b, marker.dword01));
}
static void
dgc_emit_instance_count(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *instance_count)
{
nir_def *values[2] = {nir_imm_int(b, PKT3(PKT3_NUM_INSTANCES, 0, false)), instance_count};
dgc_emit(b, cs, 2, values);
}
static void
dgc_emit_draw_index_offset_2(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *index_offset, nir_def *index_count,
nir_def *max_index_count)
{
nir_def *values[5] = {nir_imm_int(b, PKT3(PKT3_DRAW_INDEX_OFFSET_2, 3, false)), max_index_count, index_offset,
index_count, nir_imm_int(b, V_0287F0_DI_SRC_SEL_DMA)};
dgc_emit(b, cs, 5, values);
}
static void
dgc_emit_draw_index_auto(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *vertex_count)
{
nir_def *values[3] = {nir_imm_int(b, PKT3(PKT3_DRAW_INDEX_AUTO, 1, false)), vertex_count,
nir_imm_int(b, V_0287F0_DI_SRC_SEL_AUTO_INDEX)};
dgc_emit(b, cs, 3, values);
}
static void
dgc_emit_dispatch_direct(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *wg_x, nir_def *wg_y, nir_def *wg_z,
nir_def *dispatch_initiator)
{
nir_def *values[5] = {nir_imm_int(b, PKT3(PKT3_DISPATCH_DIRECT, 3, false) | PKT3_SHADER_TYPE_S(1)), wg_x, wg_y, wg_z,
dispatch_initiator};
dgc_emit(b, cs, 5, values);
}
static void
dgc_emit_dispatch_mesh_direct(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *x, nir_def *y, nir_def *z)
{
nir_def *values[5] = {nir_imm_int(b, PKT3(PKT3_DISPATCH_MESH_DIRECT, 3, false)), x, y, z,
nir_imm_int(b, S_0287F0_SOURCE_SELECT(V_0287F0_DI_SRC_SEL_AUTO_INDEX))};
dgc_emit(b, cs, 5, values);
}
static void
dgc_emit_grid_size_user_sgpr(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *grid_base_sgpr, nir_def *wg_x,
nir_def *wg_y, nir_def *wg_z)
{
nir_def *values[5] = {
nir_imm_int(b, PKT3(PKT3_SET_SH_REG, 3, false)), grid_base_sgpr, wg_x, wg_y, wg_z,
};
dgc_emit(b, cs, 5, values);
}
static void
dgc_emit_grid_size_pointer(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *grid_base_sgpr, nir_def *stream_offset)
{
nir_def *stream_addr = load_param64(b, stream_addr);
nir_def *va = nir_iadd(b, stream_addr, nir_u2u64(b, stream_offset));
nir_def *va_lo = nir_unpack_64_2x32_split_x(b, va);
nir_def *va_hi = nir_unpack_64_2x32_split_y(b, va);
nir_def *values[4] = {nir_imm_int(b, PKT3(PKT3_SET_SH_REG, 2, false)), grid_base_sgpr, va_lo, va_hi};
dgc_emit(b, cs, 4, values);
}
static void
dgc_emit_pkt3_set_base(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *va)
{
nir_def *va_lo = nir_unpack_64_2x32_split_x(b, va);
nir_def *va_hi = nir_unpack_64_2x32_split_y(b, va);
nir_def *values[4] = {nir_imm_int(b, PKT3(PKT3_SET_BASE, 2, false)), nir_imm_int(b, 1), va_lo, va_hi};
dgc_emit(b, cs, 4, values);
}
static void
dgc_emit_pkt3_draw_indirect(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *vtx_base_sgpr, bool indexed)
{
const unsigned di_src_sel = indexed ? V_0287F0_DI_SRC_SEL_DMA : V_0287F0_DI_SRC_SEL_AUTO_INDEX;
vtx_base_sgpr = nir_iand_imm(b, nir_u2u32(b, vtx_base_sgpr), 0x3FFF);
nir_def *has_drawid = nir_test_mask(b, vtx_base_sgpr, DGC_USES_DRAWID);
nir_def *has_baseinstance = nir_test_mask(b, vtx_base_sgpr, DGC_USES_BASEINSTANCE);
/* vertex_offset_reg = (base_reg - SI_SH_REG_OFFSET) >> 2 */
nir_def *vertex_offset_reg = vtx_base_sgpr;
/* start_instance_reg = (base_reg + (draw_id_enable ? 8 : 4) - SI_SH_REG_OFFSET) >> 2 */
nir_def *start_instance_offset = nir_bcsel(b, has_drawid, nir_imm_int(b, 2), nir_imm_int(b, 1));
nir_def *start_instance_reg = nir_iadd(b, vtx_base_sgpr, start_instance_offset);
/* draw_id_reg = (base_reg + 4 - SI_SH_REG_OFFSET) >> 2 */
nir_def *draw_id_reg = nir_iadd(b, vtx_base_sgpr, nir_imm_int(b, 1));
nir_if *if_drawid = nir_push_if(b, has_drawid);
{
const unsigned pkt3_op = indexed ? PKT3_DRAW_INDEX_INDIRECT_MULTI : PKT3_DRAW_INDIRECT_MULTI;
nir_def *values[8];
values[0] = nir_imm_int(b, PKT3(pkt3_op, 8, false));
values[1] = nir_imm_int(b, 0);
values[2] = vertex_offset_reg;
values[3] = nir_bcsel(b, has_baseinstance, start_instance_reg, nir_imm_int(b, 0));
values[4] = nir_ior(b, draw_id_reg, nir_imm_int(b, S_2C3_DRAW_INDEX_ENABLE(1)));
values[5] = nir_imm_int(b, 1); /* draw count */
values[6] = nir_imm_int(b, 0); /* count va low */
values[7] = nir_imm_int(b, 0); /* count va high */
dgc_emit(b, cs, 8, values);
values[0] = nir_imm_int(b, 0); /* stride */
values[1] = nir_imm_int(b, V_0287F0_DI_SRC_SEL_AUTO_INDEX);
dgc_emit(b, cs, 2, values);
}
nir_push_else(b, if_drawid);
{
const unsigned pkt3_op = indexed ? PKT3_DRAW_INDEX_INDIRECT : PKT3_DRAW_INDIRECT;
nir_def *values[5];
values[0] = nir_imm_int(b, PKT3(pkt3_op, 3, false));
values[1] = nir_imm_int(b, 0);
values[2] = vertex_offset_reg;
values[3] = nir_bcsel(b, has_baseinstance, start_instance_reg, nir_imm_int(b, 0));
values[4] = nir_imm_int(b, di_src_sel);
dgc_emit(b, cs, 5, values);
}
nir_pop_if(b, if_drawid);
}
static void
dgc_emit_draw_indirect(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_base, nir_def *draw_params_offset,
nir_def *sequence_id, bool indexed)
{
nir_def *vtx_base_sgpr = load_param16(b, vtx_base_sgpr);
nir_def *stream_offset = nir_iadd(b, draw_params_offset, stream_base);
nir_def *stream_addr = load_param64(b, stream_addr);
nir_def *va = nir_iadd(b, stream_addr, nir_u2u64(b, stream_offset));
dgc_emit_sqtt_begin_api_marker(b, cs, indexed ? ApiCmdDrawIndexedIndirect : ApiCmdDrawIndirect);
dgc_emit_sqtt_marker_event(b, cs, sequence_id, indexed ? EventCmdDrawIndexedIndirect : EventCmdDrawIndirect);
dgc_emit_pkt3_set_base(b, cs, va);
dgc_emit_pkt3_draw_indirect(b, cs, vtx_base_sgpr, indexed);
dgc_emit_sqtt_thread_trace_marker(b, cs);
dgc_emit_sqtt_end_api_marker(b, cs, indexed ? ApiCmdDrawIndexedIndirect : ApiCmdDrawIndirect);
}
static nir_def *
dgc_cmd_buf_size(nir_builder *b, nir_def *sequence_count, const struct radv_device *device)
{
nir_def *use_preamble = nir_ine_imm(b, load_param8(b, use_preamble), 0);
nir_def *cmd_buf_size = load_param32(b, cmd_buf_size);
nir_def *cmd_buf_stride = load_param32(b, cmd_buf_stride);
nir_def *size = nir_imul(b, cmd_buf_stride, sequence_count);
unsigned align_mask = radv_align_cmdbuf_size(device, 1, AMD_IP_GFX) - 1;
size = nir_iand_imm(b, nir_iadd_imm(b, size, align_mask), ~align_mask);
/* Ensure we don't have to deal with a jump to an empty IB in the preamble. */
size = nir_imax(b, size, nir_imm_int(b, align_mask + 1));
return nir_bcsel(b, use_preamble, size, cmd_buf_size);
}
static nir_def *
dgc_main_cmd_buf_offset(nir_builder *b, const struct radv_device *device)
{
nir_def *use_preamble = nir_ine_imm(b, load_param8(b, use_preamble), 0);
nir_def *base_offset = nir_imm_int(b, radv_dgc_preamble_cmdbuf_size(device));
return nir_bcsel(b, use_preamble, base_offset, nir_imm_int(b, 0));
}
static void
build_dgc_buffer_tail(nir_builder *b, nir_def *sequence_count, const struct radv_device *device)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
nir_def *global_id = get_global_ids(b, 1);
nir_def *cmd_buf_stride = load_param32(b, cmd_buf_stride);
nir_def *cmd_buf_size = dgc_cmd_buf_size(b, sequence_count, device);
nir_push_if(b, nir_ieq_imm(b, global_id, 0));
{
nir_def *base_offset = dgc_main_cmd_buf_offset(b, device);
nir_def *cmd_buf_tail_start = nir_imul(b, cmd_buf_stride, sequence_count);
nir_variable *offset = nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "offset");
nir_store_var(b, offset, cmd_buf_tail_start, 0x1);
nir_def *dst_buf = radv_meta_load_descriptor(b, 0, DGC_DESC_PREPARE);
nir_push_loop(b);
{
nir_def *curr_offset = nir_load_var(b, offset);
const unsigned MAX_PACKET_WORDS = 0x3FFC;
nir_push_if(b, nir_ieq(b, curr_offset, cmd_buf_size));
{
nir_jump(b, nir_jump_break);
}
nir_pop_if(b, NULL);
nir_def *packet, *packet_size;
if (pdev->info.gfx_ib_pad_with_type2) {
packet_size = nir_imm_int(b, 4);
packet = nir_imm_int(b, PKT2_NOP_PAD);
} else {
packet_size = nir_isub(b, cmd_buf_size, curr_offset);
packet_size = nir_umin(b, packet_size, nir_imm_int(b, MAX_PACKET_WORDS * 4));
nir_def *len = nir_ushr_imm(b, packet_size, 2);
len = nir_iadd_imm(b, len, -2);
packet = nir_pkt3(b, PKT3_NOP, len);
}
nir_store_ssbo(b, packet, dst_buf, nir_iadd(b, curr_offset, base_offset), .access = ACCESS_NON_READABLE);
nir_store_var(b, offset, nir_iadd(b, curr_offset, packet_size), 0x1);
}
nir_pop_loop(b, NULL);
}
nir_pop_if(b, NULL);
}
static void
build_dgc_buffer_preamble(nir_builder *b, nir_def *sequence_count, const struct radv_device *device)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
nir_def *global_id = get_global_ids(b, 1);
nir_def *use_preamble = nir_ine_imm(b, load_param8(b, use_preamble), 0);
nir_push_if(b, nir_iand(b, nir_ieq_imm(b, global_id, 0), use_preamble));
{
unsigned preamble_size = radv_dgc_preamble_cmdbuf_size(device);
nir_def *cmd_buf_size = dgc_cmd_buf_size(b, sequence_count, device);
nir_def *dst_buf = radv_meta_load_descriptor(b, 0, DGC_DESC_PREPARE);
nir_def *words = nir_ushr_imm(b, cmd_buf_size, 2);
nir_def *addr = nir_iadd_imm(b, load_param32(b, upload_addr), preamble_size);
nir_def *nop_packet = dgc_get_nop_packet(b, device);
nir_def *nop_packets[] = {
nop_packet,
nop_packet,
nop_packet,
nop_packet,
};
const unsigned jump_size = 16;
unsigned offset;
/* Do vectorized store if possible */
for (offset = 0; offset + 16 <= preamble_size - jump_size; offset += 16) {
nir_store_ssbo(b, nir_vec(b, nop_packets, 4), dst_buf, nir_imm_int(b, offset), .access = ACCESS_NON_READABLE);
}
for (; offset + 4 <= preamble_size - jump_size; offset += 4) {
nir_store_ssbo(b, nop_packet, dst_buf, nir_imm_int(b, offset), .access = ACCESS_NON_READABLE);
}
nir_def *chain_packets[] = {
nir_imm_int(b, PKT3(PKT3_INDIRECT_BUFFER, 2, 0)),
addr,
nir_imm_int(b, pdev->info.address32_hi),
nir_ior_imm(b, words, S_3F2_CHAIN(1) | S_3F2_VALID(1) | S_3F2_PRE_ENA(false)),
};
nir_store_ssbo(b, nir_vec(b, chain_packets, 4), dst_buf, nir_imm_int(b, preamble_size - jump_size),
.access = ACCESS_NON_READABLE);
}
nir_pop_if(b, NULL);
}
/**
* Emit VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_NV.
*/
static void
dgc_emit_draw(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_buf, nir_def *stream_base,
nir_def *draw_params_offset, nir_def *sequence_id, const struct radv_device *device)
{
nir_def *vtx_base_sgpr = load_param16(b, vtx_base_sgpr);
nir_def *stream_offset = nir_iadd(b, draw_params_offset, stream_base);
nir_def *draw_data0 = nir_load_ssbo(b, 4, 32, stream_buf, stream_offset);
nir_def *vertex_count = nir_channel(b, draw_data0, 0);
nir_def *instance_count = nir_channel(b, draw_data0, 1);
nir_def *vertex_offset = nir_channel(b, draw_data0, 2);
nir_def *first_instance = nir_channel(b, draw_data0, 3);
nir_push_if(b, nir_iand(b, nir_ine_imm(b, vertex_count, 0), nir_ine_imm(b, instance_count, 0)));
{
dgc_emit_sqtt_begin_api_marker(b, cs, ApiCmdDraw);
dgc_emit_sqtt_marker_event(b, cs, sequence_id, EventCmdDraw);
dgc_emit_userdata_vertex(b, cs, vtx_base_sgpr, vertex_offset, first_instance, sequence_id, device);
dgc_emit_instance_count(b, cs, instance_count);
dgc_emit_draw_index_auto(b, cs, vertex_count);
dgc_emit_sqtt_thread_trace_marker(b, cs);
dgc_emit_sqtt_end_api_marker(b, cs, ApiCmdDraw);
}
nir_pop_if(b, 0);
}
/**
* Emit VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_INDEXED_NV.
*/
static void
dgc_emit_draw_indexed(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_buf, nir_def *stream_base,
nir_def *draw_params_offset, nir_def *sequence_id, nir_def *max_index_count,
const struct radv_device *device)
{
nir_def *vtx_base_sgpr = load_param16(b, vtx_base_sgpr);
nir_def *stream_offset = nir_iadd(b, draw_params_offset, stream_base);
nir_def *draw_data0 = nir_load_ssbo(b, 4, 32, stream_buf, stream_offset);
nir_def *draw_data1 = nir_load_ssbo(b, 1, 32, stream_buf, nir_iadd_imm(b, stream_offset, 16));
nir_def *index_count = nir_channel(b, draw_data0, 0);
nir_def *instance_count = nir_channel(b, draw_data0, 1);
nir_def *first_index = nir_channel(b, draw_data0, 2);
nir_def *vertex_offset = nir_channel(b, draw_data0, 3);
nir_def *first_instance = nir_channel(b, draw_data1, 0);
nir_push_if(b, nir_iand(b, nir_ine_imm(b, index_count, 0), nir_ine_imm(b, instance_count, 0)));
{
dgc_emit_sqtt_begin_api_marker(b, cs, ApiCmdDrawIndexed);
dgc_emit_sqtt_marker_event(b, cs, sequence_id, EventCmdDrawIndexed);
dgc_emit_userdata_vertex(b, cs, vtx_base_sgpr, vertex_offset, first_instance, sequence_id, device);
dgc_emit_instance_count(b, cs, instance_count);
dgc_emit_draw_index_offset_2(b, cs, first_index, index_count, max_index_count);
dgc_emit_sqtt_thread_trace_marker(b, cs);
dgc_emit_sqtt_end_api_marker(b, cs, ApiCmdDrawIndexed);
}
nir_pop_if(b, 0);
}
/**
* Emit VK_INDIRECT_COMMANDS_TOKEN_TYPE_INDEX_BUFFER_NV.
*/
static void
dgc_emit_index_buffer(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_buf, nir_def *stream_base,
nir_def *index_buffer_offset, nir_def *ibo_type_32, nir_def *ibo_type_8,
nir_variable *max_index_count_var, const struct radv_device *device)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
nir_def *index_stream_offset = nir_iadd(b, index_buffer_offset, stream_base);
nir_def *data = nir_load_ssbo(b, 4, 32, stream_buf, index_stream_offset);
nir_def *vk_index_type = nir_channel(b, data, 3);
nir_def *index_type = nir_bcsel(b, nir_ieq(b, vk_index_type, ibo_type_32), nir_imm_int(b, V_028A7C_VGT_INDEX_32),
nir_imm_int(b, V_028A7C_VGT_INDEX_16));
index_type = nir_bcsel(b, nir_ieq(b, vk_index_type, ibo_type_8), nir_imm_int(b, V_028A7C_VGT_INDEX_8), index_type);
nir_def *index_size = nir_iand_imm(b, nir_ushr(b, nir_imm_int(b, 0x142), nir_imul_imm(b, index_type, 4)), 0xf);
nir_def *max_index_count = nir_udiv(b, nir_channel(b, data, 2), index_size);
nir_store_var(b, max_index_count_var, max_index_count, 0x1);
nir_def *cmd_values[3 + 2 + 3];
if (pdev->info.gfx_level >= GFX9) {
unsigned opcode = PKT3_SET_UCONFIG_REG_INDEX;
if (pdev->info.gfx_level < GFX9 || (pdev->info.gfx_level == GFX9 && pdev->info.me_fw_version < 26))
opcode = PKT3_SET_UCONFIG_REG;
cmd_values[0] = nir_imm_int(b, PKT3(opcode, 1, 0));
cmd_values[1] = nir_imm_int(b, (R_03090C_VGT_INDEX_TYPE - CIK_UCONFIG_REG_OFFSET) >> 2 | (2u << 28));
cmd_values[2] = index_type;
} else {
cmd_values[0] = nir_imm_int(b, PKT3(PKT3_INDEX_TYPE, 0, 0));
cmd_values[1] = index_type;
cmd_values[2] = dgc_get_nop_packet(b, device);
}
nir_def *addr_upper = nir_channel(b, data, 1);
addr_upper = nir_ishr_imm(b, nir_ishl_imm(b, addr_upper, 16), 16);
cmd_values[3] = nir_imm_int(b, PKT3(PKT3_INDEX_BASE, 1, 0));
cmd_values[4] = nir_channel(b, data, 0);
cmd_values[5] = addr_upper;
cmd_values[6] = nir_imm_int(b, PKT3(PKT3_INDEX_BUFFER_SIZE, 0, 0));
cmd_values[7] = max_index_count;
dgc_emit(b, cs, 8, cmd_values);
}
/**
* Emit VK_INDIRECT_COMMANDS_TOKEN_TYPE_PUSH_CONSTANT_NV.
*/
static nir_def *
dgc_get_push_constant_shader_cnt(nir_builder *b, nir_def *stream_buf, nir_def *stream_base,
nir_def *pipeline_params_offset)
{
nir_def *res1, *res2;
nir_push_if(b, nir_ieq_imm(b, load_param8(b, bind_pipeline), 1));
{
nir_def *stream_offset = nir_iadd(b, pipeline_params_offset, stream_base);
nir_def *pipeline_va = nir_load_ssbo(b, 1, 64, stream_buf, stream_offset);
res1 = nir_b2i32(b, nir_ine_imm(b, load_metadata32(b, push_const_sgpr), 0));
}
nir_push_else(b, 0);
{
res2 = load_param16(b, push_constant_shader_cnt);
}
nir_pop_if(b, 0);
return nir_if_phi(b, res1, res2);
}
static nir_def *
dgc_get_upload_sgpr(nir_builder *b, nir_def *stream_buf, nir_def *stream_base, nir_def *param_buf,
nir_def *param_offset, nir_def *cur_shader_idx, nir_def *pipeline_params_offset)
{
nir_def *res1, *res2;
nir_push_if(b, nir_ieq_imm(b, load_param8(b, bind_pipeline), 1));
{
nir_def *stream_offset = nir_iadd(b, pipeline_params_offset, stream_base);
nir_def *pipeline_va = nir_load_ssbo(b, 1, 64, stream_buf, stream_offset);
res1 = load_metadata32(b, push_const_sgpr);
}
nir_push_else(b, 0);
{
res2 = nir_load_ssbo(b, 1, 32, param_buf, nir_iadd(b, param_offset, nir_imul_imm(b, cur_shader_idx, 12)));
}
nir_pop_if(b, 0);
nir_def *res = nir_if_phi(b, res1, res2);
return nir_ubfe_imm(b, res, 0, 16);
}
static nir_def *
dgc_get_inline_sgpr(nir_builder *b, nir_def *stream_buf, nir_def *stream_base, nir_def *param_buf,
nir_def *param_offset, nir_def *cur_shader_idx, nir_def *pipeline_params_offset)
{
nir_def *res1, *res2;
nir_push_if(b, nir_ieq_imm(b, load_param8(b, bind_pipeline), 1));
{
nir_def *stream_offset = nir_iadd(b, pipeline_params_offset, stream_base);
nir_def *pipeline_va = nir_load_ssbo(b, 1, 64, stream_buf, stream_offset);
res1 = load_metadata32(b, push_const_sgpr);
}
nir_push_else(b, 0);
{
res2 = nir_load_ssbo(b, 1, 32, param_buf, nir_iadd(b, param_offset, nir_imul_imm(b, cur_shader_idx, 12)));
}
nir_pop_if(b, 0);
nir_def *res = nir_if_phi(b, res1, res2);
return nir_ubfe_imm(b, res, 16, 16);
}
static nir_def *
dgc_get_inline_mask(nir_builder *b, nir_def *stream_buf, nir_def *stream_base, nir_def *param_buf,
nir_def *param_offset, nir_def *cur_shader_idx, nir_def *pipeline_params_offset)
{
nir_def *res1, *res2;
nir_push_if(b, nir_ieq_imm(b, load_param8(b, bind_pipeline), 1));
{
nir_def *stream_offset = nir_iadd(b, pipeline_params_offset, stream_base);
nir_def *pipeline_va = nir_load_ssbo(b, 1, 64, stream_buf, stream_offset);
res1 = load_metadata64(b, inline_push_const_mask);
}
nir_push_else(b, 0);
{
nir_def *reg_info = nir_load_ssbo(
b, 2, 32, param_buf, nir_iadd(b, param_offset, nir_iadd_imm(b, nir_imul_imm(b, cur_shader_idx, 12), 4)));
res2 = nir_pack_64_2x32(b, nir_channels(b, reg_info, 0x3));
}
nir_pop_if(b, 0);
return nir_if_phi(b, res1, res2);
}
static nir_def *
dgc_push_constant_needs_copy(nir_builder *b, nir_def *stream_buf, nir_def *stream_base, nir_def *pipeline_params_offset)
{
nir_def *res1, *res2;
nir_push_if(b, nir_ieq_imm(b, load_param8(b, bind_pipeline), 1));
{
nir_def *stream_offset = nir_iadd(b, pipeline_params_offset, stream_base);
nir_def *pipeline_va = nir_load_ssbo(b, 1, 64, stream_buf, stream_offset);
res1 = nir_ine_imm(b, nir_ubfe_imm(b, load_metadata32(b, push_const_sgpr), 0, 16), 0);
}
nir_push_else(b, 0);
{
res2 = nir_ine_imm(b, load_param8(b, const_copy), 0);
}
nir_pop_if(b, 0);
return nir_if_phi(b, res1, res2);
}
static void
dgc_emit_push_constant(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_buf, nir_def *stream_base,
nir_def *pipeline_params_offset, nir_def *push_const_mask, nir_variable *upload_offset)
{
nir_def *vbo_cnt = load_param8(b, vbo_cnt);
nir_def *const_copy = dgc_push_constant_needs_copy(b, stream_buf, stream_base, pipeline_params_offset);
nir_def *const_copy_size = load_param16(b, const_copy_size);
nir_def *const_copy_words = nir_ushr_imm(b, const_copy_size, 2);
const_copy_words = nir_bcsel(b, const_copy, const_copy_words, nir_imm_int(b, 0));
nir_variable *idx = nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "const_copy_idx");
nir_store_var(b, idx, nir_imm_int(b, 0), 0x1);
nir_def *param_buf = radv_meta_load_descriptor(b, 0, DGC_DESC_PARAMS);
nir_def *param_offset = nir_imul_imm(b, vbo_cnt, 24);
nir_def *param_offset_offset = nir_iadd_imm(b, param_offset, MESA_VULKAN_SHADER_STAGES * 12);
nir_def *param_const_offset =
nir_iadd_imm(b, param_offset, MAX_PUSH_CONSTANTS_SIZE + MESA_VULKAN_SHADER_STAGES * 12);
nir_push_loop(b);
{
nir_def *cur_idx = nir_load_var(b, idx);
nir_push_if(b, nir_uge(b, cur_idx, const_copy_words));
{
nir_jump(b, nir_jump_break);
}
nir_pop_if(b, NULL);
nir_variable *data = nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "copy_data");
nir_def *update = nir_iand(b, push_const_mask, nir_ishl(b, nir_imm_int64(b, 1), cur_idx));
update = nir_bcsel(b, nir_ult_imm(b, cur_idx, 64 /* bits in push_const_mask */), update, nir_imm_int64(b, 0));
nir_push_if(b, nir_ine_imm(b, update, 0));
{
nir_def *stream_offset =
nir_load_ssbo(b, 1, 32, param_buf, nir_iadd(b, param_offset_offset, nir_ishl_imm(b, cur_idx, 2)));
nir_def *new_data = nir_load_ssbo(b, 1, 32, stream_buf, nir_iadd(b, stream_base, stream_offset));
nir_store_var(b, data, new_data, 0x1);
}
nir_push_else(b, NULL);
{
nir_store_var(b, data,
nir_load_ssbo(b, 1, 32, param_buf, nir_iadd(b, param_const_offset, nir_ishl_imm(b, cur_idx, 2))),
0x1);
}
nir_pop_if(b, NULL);
nir_store_ssbo(b, nir_load_var(b, data), cs->descriptor,
nir_iadd(b, nir_load_var(b, upload_offset), nir_ishl_imm(b, cur_idx, 2)),
.access = ACCESS_NON_READABLE);
nir_store_var(b, idx, nir_iadd_imm(b, cur_idx, 1), 0x1);
}
nir_pop_loop(b, NULL);
nir_variable *shader_idx = nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "shader_idx");
nir_store_var(b, shader_idx, nir_imm_int(b, 0), 0x1);
nir_def *shader_cnt = dgc_get_push_constant_shader_cnt(b, stream_buf, stream_base, pipeline_params_offset);
nir_push_loop(b);
{
nir_def *cur_shader_idx = nir_load_var(b, shader_idx);
nir_push_if(b, nir_uge(b, cur_shader_idx, shader_cnt));
{
nir_jump(b, nir_jump_break);
}
nir_pop_if(b, NULL);
nir_def *upload_sgpr = dgc_get_upload_sgpr(b, stream_buf, stream_base, param_buf, param_offset, cur_shader_idx,
pipeline_params_offset);
nir_def *inline_sgpr = dgc_get_inline_sgpr(b, stream_buf, stream_base, param_buf, param_offset, cur_shader_idx,
pipeline_params_offset);
nir_def *inline_mask = dgc_get_inline_mask(b, stream_buf, stream_base, param_buf, param_offset, cur_shader_idx,
pipeline_params_offset);
nir_push_if(b, nir_ine_imm(b, upload_sgpr, 0));
{
nir_def *pkt[3] = {nir_imm_int(b, PKT3(PKT3_SET_SH_REG, 1, 0)), upload_sgpr,
nir_iadd(b, load_param32(b, upload_addr), nir_load_var(b, upload_offset))};
dgc_emit(b, cs, 3, pkt);
}
nir_pop_if(b, NULL);
nir_push_if(b, nir_ine_imm(b, inline_sgpr, 0));
{
nir_store_var(b, idx, nir_imm_int(b, 0), 0x1);
nir_variable *pc_idx = nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "pc_idx");
nir_store_var(b, pc_idx, nir_imm_int(b, 0), 0x1);
nir_push_loop(b);
{
nir_def *cur_idx = nir_load_var(b, idx);
nir_push_if(b, nir_uge_imm(b, cur_idx, 64 /* bits in inline_mask */));
{
nir_jump(b, nir_jump_break);
}
nir_pop_if(b, NULL);
nir_def *l = nir_ishl(b, nir_imm_int64(b, 1), cur_idx);
nir_push_if(b, nir_ieq_imm(b, nir_iand(b, l, inline_mask), 0));
{
nir_store_var(b, idx, nir_iadd_imm(b, cur_idx, 1), 0x1);
nir_jump(b, nir_jump_continue);
}
nir_pop_if(b, NULL);
nir_variable *data = nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "copy_data");
nir_def *update = nir_iand(b, push_const_mask, nir_ishl(b, nir_imm_int64(b, 1), cur_idx));
update =
nir_bcsel(b, nir_ult_imm(b, cur_idx, 64 /* bits in push_const_mask */), update, nir_imm_int64(b, 0));
nir_push_if(b, nir_ine_imm(b, update, 0));
{
nir_def *stream_offset =
nir_load_ssbo(b, 1, 32, param_buf, nir_iadd(b, param_offset_offset, nir_ishl_imm(b, cur_idx, 2)));
nir_def *new_data = nir_load_ssbo(b, 1, 32, stream_buf, nir_iadd(b, stream_base, stream_offset));
nir_store_var(b, data, new_data, 0x1);
nir_def *pkt[3] = {nir_pkt3(b, PKT3_SET_SH_REG, nir_imm_int(b, 1)),
nir_iadd(b, inline_sgpr, nir_load_var(b, pc_idx)), nir_load_var(b, data)};
dgc_emit(b, cs, 3, pkt);
}
nir_push_else(b, NULL);
{
nir_push_if(b, nir_ieq_imm(b, load_param8(b, bind_pipeline), 1));
{
/* For indirect pipeline binds, partial push constant updates can't be emitted
* when the DGC execute is called because there is no bound pipeline and they have
* to be emitted from the DGC prepare shader.
*/
nir_def *new_data =
nir_load_ssbo(b, 1, 32, param_buf, nir_iadd(b, param_const_offset, nir_ishl_imm(b, cur_idx, 2)));
nir_store_var(b, data, new_data, 0x1);
nir_def *pkt[3] = {nir_pkt3(b, PKT3_SET_SH_REG, nir_imm_int(b, 1)),
nir_iadd(b, inline_sgpr, nir_load_var(b, pc_idx)), nir_load_var(b, data)};
dgc_emit(b, cs, 3, pkt);
}
nir_pop_if(b, NULL);
}
nir_pop_if(b, NULL);
nir_store_var(b, idx, nir_iadd_imm(b, cur_idx, 1), 0x1);
nir_store_var(b, pc_idx, nir_iadd_imm(b, nir_load_var(b, pc_idx), 1), 0x1);
}
nir_pop_loop(b, NULL);
}
nir_pop_if(b, NULL);
nir_store_var(b, shader_idx, nir_iadd_imm(b, cur_shader_idx, 1), 0x1);
}
nir_pop_loop(b, NULL);
}
/**
* For emitting VK_INDIRECT_COMMANDS_TOKEN_TYPE_VERTEX_BUFFER_NV.
*/
static void
dgc_emit_vertex_buffer(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_buf, nir_def *stream_base,
nir_def *vbo_bind_mask, nir_variable *upload_offset, const struct radv_device *device)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
nir_def *vbo_cnt = load_param8(b, vbo_cnt);
nir_variable *vbo_idx = nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "vbo_idx");
nir_store_var(b, vbo_idx, nir_imm_int(b, 0), 0x1);
nir_push_loop(b);
{
nir_push_if(b, nir_uge(b, nir_load_var(b, vbo_idx), vbo_cnt));
{
nir_jump(b, nir_jump_break);
}
nir_pop_if(b, NULL);
nir_def *vbo_offset = nir_imul_imm(b, nir_load_var(b, vbo_idx), 16);
nir_variable *vbo_data = nir_variable_create(b->shader, nir_var_shader_temp, glsl_uvec4_type(), "vbo_data");
nir_def *param_buf = radv_meta_load_descriptor(b, 0, DGC_DESC_PARAMS);
nir_store_var(b, vbo_data, nir_load_ssbo(b, 4, 32, param_buf, vbo_offset), 0xf);
nir_def *vbo_override =
nir_ine_imm(b, nir_iand(b, vbo_bind_mask, nir_ishl(b, nir_imm_int(b, 1), nir_load_var(b, vbo_idx))), 0);
nir_push_if(b, vbo_override);
{
nir_def *vbo_offset_offset =
nir_iadd(b, nir_imul_imm(b, vbo_cnt, 16), nir_imul_imm(b, nir_load_var(b, vbo_idx), 8));
nir_def *vbo_over_data = nir_load_ssbo(b, 2, 32, param_buf, vbo_offset_offset);
nir_def *stream_offset = nir_iadd(b, stream_base, nir_iand_imm(b, nir_channel(b, vbo_over_data, 0), 0x7FFF));
nir_def *stream_data = nir_load_ssbo(b, 4, 32, stream_buf, stream_offset);
nir_def *va = nir_pack_64_2x32(b, nir_trim_vector(b, stream_data, 2));
nir_def *size = nir_channel(b, stream_data, 2);
nir_def *stride = nir_channel(b, stream_data, 3);
nir_def *dyn_stride = nir_test_mask(b, nir_channel(b, vbo_over_data, 0), DGC_DYNAMIC_STRIDE);
nir_def *old_stride = nir_ubfe_imm(b, nir_channel(b, nir_load_var(b, vbo_data), 1), 16, 14);
stride = nir_bcsel(b, dyn_stride, stride, old_stride);
nir_def *use_per_attribute_vb_descs = nir_test_mask(b, nir_channel(b, vbo_over_data, 0), 1u << 31);
nir_variable *num_records =
nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "num_records");
nir_store_var(b, num_records, size, 0x1);
nir_push_if(b, use_per_attribute_vb_descs);
{
nir_def *attrib_end = nir_ubfe_imm(b, nir_channel(b, vbo_over_data, 1), 16, 16);
nir_def *attrib_index_offset = nir_ubfe_imm(b, nir_channel(b, vbo_over_data, 1), 0, 16);
nir_push_if(b, nir_ult(b, nir_load_var(b, num_records), attrib_end));
{
nir_store_var(b, num_records, nir_imm_int(b, 0), 0x1);
}
nir_push_else(b, NULL);
nir_push_if(b, nir_ieq_imm(b, stride, 0));
{
nir_store_var(b, num_records, nir_imm_int(b, 1), 0x1);
}
nir_push_else(b, NULL);
{
nir_def *r = nir_iadd(
b, nir_iadd_imm(b, nir_udiv(b, nir_isub(b, nir_load_var(b, num_records), attrib_end), stride), 1),
attrib_index_offset);
nir_store_var(b, num_records, r, 0x1);
}
nir_pop_if(b, NULL);
nir_pop_if(b, NULL);
nir_def *convert_cond = nir_ine_imm(b, nir_load_var(b, num_records), 0);
if (pdev->info.gfx_level == GFX9)
convert_cond = nir_imm_false(b);
else if (pdev->info.gfx_level != GFX8)
convert_cond = nir_iand(b, convert_cond, nir_ieq_imm(b, stride, 0));
nir_def *new_records =
nir_iadd(b, nir_imul(b, nir_iadd_imm(b, nir_load_var(b, num_records), -1), stride), attrib_end);
new_records = nir_bcsel(b, convert_cond, new_records, nir_load_var(b, num_records));
nir_store_var(b, num_records, new_records, 0x1);
}
nir_push_else(b, NULL);
{
if (pdev->info.gfx_level != GFX8) {
nir_push_if(b, nir_ine_imm(b, stride, 0));
{
nir_def *r = nir_iadd(b, nir_load_var(b, num_records), nir_iadd_imm(b, stride, -1));
nir_store_var(b, num_records, nir_udiv(b, r, stride), 0x1);
}
nir_pop_if(b, NULL);
}
}
nir_pop_if(b, NULL);
nir_def *rsrc_word3 = nir_channel(b, nir_load_var(b, vbo_data), 3);
if (pdev->info.gfx_level >= GFX10) {
nir_def *oob_select = nir_bcsel(b, nir_ieq_imm(b, stride, 0), nir_imm_int(b, V_008F0C_OOB_SELECT_RAW),
nir_imm_int(b, V_008F0C_OOB_SELECT_STRUCTURED));
rsrc_word3 = nir_iand_imm(b, rsrc_word3, C_008F0C_OOB_SELECT);
rsrc_word3 = nir_ior(b, rsrc_word3, nir_ishl_imm(b, oob_select, 28));
}
nir_def *va_hi = nir_iand_imm(b, nir_unpack_64_2x32_split_y(b, va), 0xFFFF);
stride = nir_iand_imm(b, stride, 0x3FFF);
nir_def *new_vbo_data[4] = {nir_unpack_64_2x32_split_x(b, va), nir_ior(b, nir_ishl_imm(b, stride, 16), va_hi),
nir_load_var(b, num_records), rsrc_word3};
nir_store_var(b, vbo_data, nir_vec(b, new_vbo_data, 4), 0xf);
}
nir_pop_if(b, NULL);
/* On GFX9, it seems bounds checking is disabled if both
* num_records and stride are zero. This doesn't seem necessary on GFX8, GFX10 and
* GFX10.3 but it doesn't hurt.
*/
nir_def *num_records = nir_channel(b, nir_load_var(b, vbo_data), 2);
nir_def *buf_va =
nir_iand_imm(b, nir_pack_64_2x32(b, nir_trim_vector(b, nir_load_var(b, vbo_data), 2)), (1ull << 48) - 1ull);
nir_push_if(b, nir_ior(b, nir_ieq_imm(b, num_records, 0), nir_ieq_imm(b, buf_va, 0)));
{
nir_def *new_vbo_data[4] = {nir_imm_int(b, 0), nir_imm_int(b, 0), nir_imm_int(b, 0), nir_imm_int(b, 0)};
nir_store_var(b, vbo_data, nir_vec(b, new_vbo_data, 4), 0xf);
}
nir_pop_if(b, NULL);
nir_def *upload_off = nir_iadd(b, nir_load_var(b, upload_offset), vbo_offset);
nir_store_ssbo(b, nir_load_var(b, vbo_data), cs->descriptor, upload_off, .access = ACCESS_NON_READABLE);
nir_store_var(b, vbo_idx, nir_iadd_imm(b, nir_load_var(b, vbo_idx), 1), 0x1);
}
nir_pop_loop(b, NULL);
nir_def *packet[3] = {nir_imm_int(b, PKT3(PKT3_SET_SH_REG, 1, 0)), load_param16(b, vbo_reg),
nir_iadd(b, load_param32(b, upload_addr), nir_load_var(b, upload_offset))};
dgc_emit(b, cs, 3, packet);
nir_store_var(b, upload_offset, nir_iadd(b, nir_load_var(b, upload_offset), nir_imul_imm(b, vbo_cnt, 16)), 0x1);
}
/**
* For emitting VK_INDIRECT_COMMANDS_TOKEN_TYPE_DISPATCH_NV.
*/
static nir_def *
dgc_get_grid_sgpr(nir_builder *b, nir_def *stream_buf, nir_def *stream_base, nir_def *pipeline_params_offset)
{
nir_def *res1, *res2;
nir_push_if(b, nir_ieq_imm(b, load_param8(b, bind_pipeline), 1));
{
nir_def *stream_offset = nir_iadd(b, pipeline_params_offset, stream_base);
nir_def *pipeline_va = nir_load_ssbo(b, 1, 64, stream_buf, stream_offset);
res1 = load_metadata32(b, grid_base_sgpr);
}
nir_push_else(b, 0);
{
res2 = load_param16(b, grid_base_sgpr);
}
nir_pop_if(b, 0);
return nir_if_phi(b, res1, res2);
}
static nir_def *
dgc_get_dispatch_initiator(nir_builder *b, nir_def *stream_buf, nir_def *stream_base, nir_def *pipeline_params_offset)
{
nir_def *res1, *res2;
nir_push_if(b, nir_ieq_imm(b, load_param8(b, bind_pipeline), 1));
{
nir_def *stream_offset = nir_iadd(b, pipeline_params_offset, stream_base);
nir_def *pipeline_va = nir_load_ssbo(b, 1, 64, stream_buf, stream_offset);
nir_def *dispatch_initiator = load_param32(b, dispatch_initiator);
nir_def *wave32 = nir_ieq_imm(b, load_metadata32(b, wave32), 1);
res1 = nir_bcsel(b, wave32, nir_ior_imm(b, dispatch_initiator, S_00B800_CS_W32_EN(1)), dispatch_initiator);
}
nir_push_else(b, 0);
{
res2 = load_param32(b, dispatch_initiator);
}
nir_pop_if(b, 0);
return nir_if_phi(b, res1, res2);
}
static void
dgc_emit_dispatch(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_buf, nir_def *stream_base,
nir_def *dispatch_params_offset, nir_def *pipeline_params_offset, nir_def *sequence_id,
const struct radv_device *device)
{
nir_def *stream_offset = nir_iadd(b, dispatch_params_offset, stream_base);
nir_def *dispatch_data = nir_load_ssbo(b, 3, 32, stream_buf, stream_offset);
nir_def *wg_x = nir_channel(b, dispatch_data, 0);
nir_def *wg_y = nir_channel(b, dispatch_data, 1);
nir_def *wg_z = nir_channel(b, dispatch_data, 2);
nir_def *grid_sgpr = dgc_get_grid_sgpr(b, stream_buf, stream_base, pipeline_params_offset);
nir_push_if(b, nir_ine_imm(b, grid_sgpr, 0));
{
if (device->load_grid_size_from_user_sgpr) {
dgc_emit_grid_size_user_sgpr(b, cs, grid_sgpr, wg_x, wg_y, wg_z);
} else {
dgc_emit_grid_size_pointer(b, cs, grid_sgpr, stream_offset);
}
}
nir_pop_if(b, 0);
nir_push_if(b, nir_iand(b, nir_ine_imm(b, wg_x, 0), nir_iand(b, nir_ine_imm(b, wg_y, 0), nir_ine_imm(b, wg_z, 0))));
{
dgc_emit_sqtt_begin_api_marker(b, cs, ApiCmdDispatch);
dgc_emit_sqtt_marker_event_with_dims(b, cs, sequence_id, wg_x, wg_y, wg_z, EventCmdDispatch);
nir_def *dispatch_initiator = dgc_get_dispatch_initiator(b, stream_buf, stream_base, pipeline_params_offset);
dgc_emit_dispatch_direct(b, cs, wg_x, wg_y, wg_z, dispatch_initiator);
dgc_emit_sqtt_thread_trace_marker(b, cs);
dgc_emit_sqtt_end_api_marker(b, cs, ApiCmdDispatch);
}
nir_pop_if(b, 0);
}
/**
* Emit VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_MESH_TASKS_NV.
*/
static void
dgc_emit_draw_mesh_tasks(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_buf, nir_def *stream_base,
nir_def *draw_params_offset, nir_def *sequence_id, const struct radv_device *device)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
nir_def *vtx_base_sgpr = load_param16(b, vtx_base_sgpr);
nir_def *stream_offset = nir_iadd(b, draw_params_offset, stream_base);
nir_def *draw_data = nir_load_ssbo(b, 3, 32, stream_buf, stream_offset);
nir_def *x = nir_channel(b, draw_data, 0);
nir_def *y = nir_channel(b, draw_data, 1);
nir_def *z = nir_channel(b, draw_data, 2);
nir_push_if(b, nir_iand(b, nir_ine_imm(b, x, 0), nir_iand(b, nir_ine_imm(b, y, 0), nir_ine_imm(b, z, 0))));
{
dgc_emit_sqtt_begin_api_marker(b, cs, ApiCmdDrawMeshTasksEXT);
dgc_emit_sqtt_marker_event(b, cs, sequence_id, EventCmdDrawMeshTasksEXT);
dgc_emit_userdata_mesh(b, cs, vtx_base_sgpr, x, y, z, sequence_id, device);
dgc_emit_instance_count(b, cs, nir_imm_int(b, 1));
if (pdev->mesh_fast_launch_2) {
dgc_emit_dispatch_mesh_direct(b, cs, x, y, z);
} else {
nir_def *vertex_count = nir_imul(b, x, nir_imul(b, y, z));
dgc_emit_draw_index_auto(b, cs, vertex_count);
}
dgc_emit_sqtt_thread_trace_marker(b, cs);
dgc_emit_sqtt_end_api_marker(b, cs, ApiCmdDrawMeshTasksEXT);
}
nir_pop_if(b, NULL);
}
/**
* Emit VK_INDIRECT_COMMANDS_TOKEN_TYPE_PIPELINE_NV.
*/
static void
dgc_emit_set_sh_reg_seq(nir_builder *b, struct dgc_cmdbuf *cs, unsigned reg, unsigned num)
{
nir_def *values[2] = {
nir_imm_int(b, PKT3(PKT3_SET_SH_REG, num, false)),
nir_imm_int(b, (reg - SI_SH_REG_OFFSET) >> 2),
};
dgc_emit(b, cs, 2, values);
}
static void
dgc_emit_bind_pipeline(nir_builder *b, struct dgc_cmdbuf *cs, nir_def *stream_buf, nir_def *stream_base,
nir_def *pipeline_params_offset, const struct radv_device *device)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
nir_def *stream_offset = nir_iadd(b, pipeline_params_offset, stream_base);
nir_def *pipeline_va = nir_load_ssbo(b, 1, 64, stream_buf, stream_offset);
dgc_emit_set_sh_reg_seq(b, cs, R_00B830_COMPUTE_PGM_LO, 1);
dgc_emit1(b, cs, load_metadata32(b, shader_va));
dgc_emit_set_sh_reg_seq(b, cs, R_00B848_COMPUTE_PGM_RSRC1, 2);
dgc_emit1(b, cs, load_metadata32(b, rsrc1));
dgc_emit1(b, cs, load_metadata32(b, rsrc2));
if (pdev->info.gfx_level >= GFX10) {
dgc_emit_set_sh_reg_seq(b, cs, R_00B8A0_COMPUTE_PGM_RSRC3, 1);
dgc_emit1(b, cs, load_metadata32(b, rsrc3));
}
dgc_emit_set_sh_reg_seq(b, cs, R_00B854_COMPUTE_RESOURCE_LIMITS, 1);
dgc_emit1(b, cs, load_metadata32(b, compute_resource_limits));
dgc_emit_set_sh_reg_seq(b, cs, R_00B81C_COMPUTE_NUM_THREAD_X, 3);
dgc_emit1(b, cs, load_metadata32(b, block_size_x));
dgc_emit1(b, cs, load_metadata32(b, block_size_y));
dgc_emit1(b, cs, load_metadata32(b, block_size_z));
}
static nir_def *
dgc_is_cond_render_enabled(nir_builder *b)
{
nir_def *res1, *res2;
nir_push_if(b, nir_ieq_imm(b, load_param8(b, predicating), 1));
{
nir_def *val = nir_load_global(b, load_param64(b, predication_va), 4, 1, 32);
/* By default, all rendering commands are discarded if the 32-bit value is zero. If the
* inverted flag is set, they are discarded if the value is non-zero.
*/
res1 = nir_ixor(b, nir_i2b(b, load_param8(b, predication_type)), nir_ine_imm(b, val, 0));
}
nir_push_else(b, 0);
{
res2 = nir_imm_bool(b, false);
}
nir_pop_if(b, 0);
return nir_if_phi(b, res1, res2);
}
static nir_shader *
build_dgc_prepare_shader(struct radv_device *dev)
{
const struct radv_physical_device *pdev = radv_device_physical(dev);
nir_builder b = radv_meta_init_shader(dev, MESA_SHADER_COMPUTE, "meta_dgc_prepare");
b.shader->info.workgroup_size[0] = 64;
nir_def *global_id = get_global_ids(&b, 1);
nir_def *sequence_id = global_id;
nir_def *cmd_buf_stride = load_param32(&b, cmd_buf_stride);
nir_def *sequence_count = load_param32(&b, sequence_count);
nir_def *stream_stride = load_param32(&b, stream_stride);
nir_def *use_count = nir_iand_imm(&b, sequence_count, 1u << 31);
sequence_count = nir_iand_imm(&b, sequence_count, UINT32_MAX >> 1);
nir_def *cmd_buf_base_offset = dgc_main_cmd_buf_offset(&b, dev);
/* The effective number of draws is
* min(sequencesCount, sequencesCountBuffer[sequencesCountOffset]) when
* using sequencesCountBuffer. Otherwise it is sequencesCount. */
nir_variable *count_var = nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "sequence_count");
nir_store_var(&b, count_var, sequence_count, 0x1);
nir_push_if(&b, nir_ine_imm(&b, use_count, 0));
{
nir_def *count_buf = radv_meta_load_descriptor(&b, 0, DGC_DESC_COUNT);
nir_def *cnt = nir_load_ssbo(&b, 1, 32, count_buf, nir_imm_int(&b, 0));
/* Must clamp count against the API count explicitly.
* The workgroup potentially contains more threads than maxSequencesCount from API,
* and we have to ensure these threads write NOP packets to pad out the IB. */
cnt = nir_umin(&b, cnt, sequence_count);
nir_store_var(&b, count_var, cnt, 0x1);
}
nir_pop_if(&b, NULL);
nir_push_if(&b, dgc_is_cond_render_enabled(&b));
{
/* Reset the number of sequences when conditional rendering is enabled in order to skip the
* entire shader and pad the cmdbuf with NOPs.
*/
nir_store_var(&b, count_var, nir_imm_int(&b, 0), 0x1);
}
nir_pop_if(&b, NULL);
sequence_count = nir_load_var(&b, count_var);
nir_push_if(&b, nir_ult(&b, sequence_id, sequence_count));
{
struct dgc_cmdbuf cmd_buf = {
.descriptor = radv_meta_load_descriptor(&b, 0, DGC_DESC_PREPARE),
.offset = nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "cmd_buf_offset"),
.gfx_level = pdev->info.gfx_level,
.sqtt_enabled = !!dev->sqtt.bo,
};
nir_store_var(&b, cmd_buf.offset, nir_iadd(&b, nir_imul(&b, global_id, cmd_buf_stride), cmd_buf_base_offset), 1);
nir_def *cmd_buf_end = nir_iadd(&b, nir_load_var(&b, cmd_buf.offset), cmd_buf_stride);
nir_def *stream_buf = radv_meta_load_descriptor(&b, 0, DGC_DESC_STREAM);
nir_def *stream_base = nir_imul(&b, sequence_id, stream_stride);
nir_variable *upload_offset =
nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "upload_offset");
nir_def *upload_offset_init = nir_iadd(&b, nir_iadd(&b, load_param32(&b, cmd_buf_size), cmd_buf_base_offset),
nir_imul(&b, load_param32(&b, upload_stride), sequence_id));
nir_store_var(&b, upload_offset, upload_offset_init, 0x1);
nir_def *vbo_bind_mask = load_param32(&b, vbo_bind_mask);
nir_push_if(&b, nir_ine_imm(&b, vbo_bind_mask, 0));
{
dgc_emit_vertex_buffer(&b, &cmd_buf, stream_buf, stream_base, vbo_bind_mask, upload_offset, dev);
}
nir_pop_if(&b, NULL);
nir_def *push_const_mask = load_param64(&b, push_constant_mask);
nir_push_if(&b, nir_ine_imm(&b, push_const_mask, 0));
{
dgc_emit_push_constant(&b, &cmd_buf, stream_buf, stream_base, load_param16(&b, pipeline_params_offset),
push_const_mask, upload_offset);
}
nir_pop_if(&b, 0);
nir_push_if(&b, nir_ieq_imm(&b, load_param8(&b, bind_pipeline), 1));
{
dgc_emit_bind_pipeline(&b, &cmd_buf, stream_buf, stream_base, load_param16(&b, pipeline_params_offset), dev);
}
nir_pop_if(&b, 0);
nir_push_if(&b, nir_ieq_imm(&b, load_param8(&b, is_dispatch), 0));
{
nir_push_if(&b, nir_ieq_imm(&b, load_param16(&b, draw_indexed), 0));
{
nir_def *draw_mesh_tasks = load_param8(&b, draw_mesh_tasks);
nir_push_if(&b, nir_ieq_imm(&b, draw_mesh_tasks, 0));
{
dgc_emit_draw(&b, &cmd_buf, stream_buf, stream_base, load_param16(&b, draw_params_offset), sequence_id,
dev);
}
nir_push_else(&b, NULL);
{
dgc_emit_draw_mesh_tasks(&b, &cmd_buf, stream_buf, stream_base, load_param16(&b, draw_params_offset),
sequence_id, dev);
}
nir_pop_if(&b, NULL);
}
nir_push_else(&b, NULL);
{
/* Emit direct draws when index buffers are also updated by DGC. Otherwise, emit
* indirect draws to remove the dependency on the cmdbuf state in order to enable
* preprocessing.
*/
nir_def *binds_index_buffer = nir_ine_imm(&b, load_param16(&b, binds_index_buffer), 0);
nir_push_if(&b, binds_index_buffer);
{
nir_variable *max_index_count_var =
nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "max_index_count");
dgc_emit_index_buffer(&b, &cmd_buf, stream_buf, stream_base, load_param16(&b, index_buffer_offset),
load_param32(&b, ibo_type_32), load_param32(&b, ibo_type_8), max_index_count_var,
dev);
nir_def *max_index_count = nir_load_var(&b, max_index_count_var);
dgc_emit_draw_indexed(&b, &cmd_buf, stream_buf, stream_base, load_param16(&b, draw_params_offset),
sequence_id, max_index_count, dev);
}
nir_push_else(&b, NULL);
{
dgc_emit_draw_indirect(&b, &cmd_buf, stream_base, load_param16(&b, draw_params_offset), sequence_id,
true);
}
nir_pop_if(&b, NULL);
}
nir_pop_if(&b, NULL);
}
nir_push_else(&b, NULL);
{
dgc_emit_dispatch(&b, &cmd_buf, stream_buf, stream_base, load_param16(&b, dispatch_params_offset),
load_param16(&b, pipeline_params_offset), sequence_id, dev);
}
nir_pop_if(&b, NULL);
/* Pad the cmdbuffer if we did not use the whole stride */
nir_push_if(&b, nir_ine(&b, nir_load_var(&b, cmd_buf.offset), cmd_buf_end));
{
if (pdev->info.gfx_ib_pad_with_type2) {
nir_push_loop(&b);
{
nir_def *curr_offset = nir_load_var(&b, cmd_buf.offset);
nir_push_if(&b, nir_ieq(&b, curr_offset, cmd_buf_end));
{
nir_jump(&b, nir_jump_break);
}
nir_pop_if(&b, NULL);
nir_def *pkt = nir_imm_int(&b, PKT2_NOP_PAD);
dgc_emit1(&b, &cmd_buf, pkt);
}
nir_pop_loop(&b, NULL);
} else {
nir_def *cnt = nir_isub(&b, cmd_buf_end, nir_load_var(&b, cmd_buf.offset));
cnt = nir_ushr_imm(&b, cnt, 2);
cnt = nir_iadd_imm(&b, cnt, -2);
nir_def *pkt = nir_pkt3(&b, PKT3_NOP, cnt);
dgc_emit1(&b, &cmd_buf, pkt);
}
}
nir_pop_if(&b, NULL);
}
nir_pop_if(&b, NULL);
build_dgc_buffer_tail(&b, sequence_count, dev);
build_dgc_buffer_preamble(&b, sequence_count, dev);
return b.shader;
}
void
radv_device_finish_dgc_prepare_state(struct radv_device *device)
{
radv_DestroyPipeline(radv_device_to_handle(device), device->meta_state.dgc_prepare.pipeline,
&device->meta_state.alloc);
radv_DestroyPipelineLayout(radv_device_to_handle(device), device->meta_state.dgc_prepare.p_layout,
&device->meta_state.alloc);
device->vk.dispatch_table.DestroyDescriptorSetLayout(
radv_device_to_handle(device), device->meta_state.dgc_prepare.ds_layout, &device->meta_state.alloc);
}
VkResult
radv_device_init_dgc_prepare_state(struct radv_device *device)
{
VkResult result;
nir_shader *cs = build_dgc_prepare_shader(device);
VkDescriptorSetLayoutCreateInfo ds_create_info = {.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR,
.bindingCount = DGC_NUM_DESCS,
.pBindings = (VkDescriptorSetLayoutBinding[]){
{.binding = DGC_DESC_STREAM,
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
.pImmutableSamplers = NULL},
{.binding = DGC_DESC_PREPARE,
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
.pImmutableSamplers = NULL},
{.binding = DGC_DESC_PARAMS,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
.pImmutableSamplers = NULL},
{.binding = DGC_DESC_COUNT,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
.pImmutableSamplers = NULL},
}};
result = radv_CreateDescriptorSetLayout(radv_device_to_handle(device), &ds_create_info, &device->meta_state.alloc,
&device->meta_state.dgc_prepare.ds_layout);
if (result != VK_SUCCESS)
goto cleanup;
const VkPipelineLayoutCreateInfo leaf_pl_create_info = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.setLayoutCount = 1,
.pSetLayouts = &device->meta_state.dgc_prepare.ds_layout,
.pushConstantRangeCount = 1,
.pPushConstantRanges = &(VkPushConstantRange){VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(struct radv_dgc_params)},
};
result = radv_CreatePipelineLayout(radv_device_to_handle(device), &leaf_pl_create_info, &device->meta_state.alloc,
&device->meta_state.dgc_prepare.p_layout);
if (result != VK_SUCCESS)
goto cleanup;
VkPipelineShaderStageCreateInfo shader_stage = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_COMPUTE_BIT,
.module = vk_shader_module_handle_from_nir(cs),
.pName = "main",
.pSpecializationInfo = NULL,
};
VkComputePipelineCreateInfo pipeline_info = {
.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
.stage = shader_stage,
.flags = 0,
.layout = device->meta_state.dgc_prepare.p_layout,
};
result = radv_compute_pipeline_create(radv_device_to_handle(device), device->meta_state.cache, &pipeline_info,
&device->meta_state.alloc, &device->meta_state.dgc_prepare.pipeline);
if (result != VK_SUCCESS)
goto cleanup;
cleanup:
ralloc_free(cs);
return result;
}
VKAPI_ATTR VkResult VKAPI_CALL
radv_CreateIndirectCommandsLayoutNV(VkDevice _device, const VkIndirectCommandsLayoutCreateInfoNV *pCreateInfo,
const VkAllocationCallbacks *pAllocator,
VkIndirectCommandsLayoutNV *pIndirectCommandsLayout)
{
VK_FROM_HANDLE(radv_device, device, _device);
struct radv_indirect_command_layout *layout;
size_t size = sizeof(*layout) + pCreateInfo->tokenCount * sizeof(VkIndirectCommandsLayoutTokenNV);
layout = vk_zalloc2(&device->vk.alloc, pAllocator, size, alignof(struct radv_indirect_command_layout),
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (!layout)
return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
vk_object_base_init(&device->vk, &layout->base, VK_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NV);
layout->flags = pCreateInfo->flags;
layout->pipeline_bind_point = pCreateInfo->pipelineBindPoint;
layout->input_stride = pCreateInfo->pStreamStrides[0];
layout->token_count = pCreateInfo->tokenCount;
typed_memcpy(layout->tokens, pCreateInfo->pTokens, pCreateInfo->tokenCount);
layout->ibo_type_32 = VK_INDEX_TYPE_UINT32;
layout->ibo_type_8 = VK_INDEX_TYPE_UINT8_KHR;
for (unsigned i = 0; i < pCreateInfo->tokenCount; ++i) {
switch (pCreateInfo->pTokens[i].tokenType) {
case VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_NV:
layout->draw_params_offset = pCreateInfo->pTokens[i].offset;
break;
case VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_INDEXED_NV:
layout->indexed = true;
layout->draw_params_offset = pCreateInfo->pTokens[i].offset;
break;
case VK_INDIRECT_COMMANDS_TOKEN_TYPE_DISPATCH_NV:
layout->dispatch_params_offset = pCreateInfo->pTokens[i].offset;
break;
case VK_INDIRECT_COMMANDS_TOKEN_TYPE_INDEX_BUFFER_NV:
layout->binds_index_buffer = true;
layout->index_buffer_offset = pCreateInfo->pTokens[i].offset;
/* 16-bit is implied if we find no match. */
for (unsigned j = 0; j < pCreateInfo->pTokens[i].indexTypeCount; j++) {
if (pCreateInfo->pTokens[i].pIndexTypes[j] == VK_INDEX_TYPE_UINT32)
layout->ibo_type_32 = pCreateInfo->pTokens[i].pIndexTypeValues[j];
else if (pCreateInfo->pTokens[i].pIndexTypes[j] == VK_INDEX_TYPE_UINT8_KHR)
layout->ibo_type_8 = pCreateInfo->pTokens[i].pIndexTypeValues[j];
}
break;
case VK_INDIRECT_COMMANDS_TOKEN_TYPE_VERTEX_BUFFER_NV:
layout->bind_vbo_mask |= 1u << pCreateInfo->pTokens[i].vertexBindingUnit;
layout->vbo_offsets[pCreateInfo->pTokens[i].vertexBindingUnit] = pCreateInfo->pTokens[i].offset;
if (pCreateInfo->pTokens[i].vertexDynamicStride)
layout->vbo_offsets[pCreateInfo->pTokens[i].vertexBindingUnit] |= DGC_DYNAMIC_STRIDE;
break;
case VK_INDIRECT_COMMANDS_TOKEN_TYPE_PUSH_CONSTANT_NV: {
VK_FROM_HANDLE(radv_pipeline_layout, pipeline_layout, pCreateInfo->pTokens[i].pushconstantPipelineLayout);
for (unsigned j = pCreateInfo->pTokens[i].pushconstantOffset / 4, k = 0;
k < pCreateInfo->pTokens[i].pushconstantSize / 4; ++j, ++k) {
layout->push_constant_mask |= 1ull << j;
layout->push_constant_offsets[j] = pCreateInfo->pTokens[i].offset + k * 4;
}
layout->push_constant_size = pipeline_layout->push_constant_size;
layout->dynamic_offset_count = pipeline_layout->dynamic_offset_count;
break;
}
case VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_MESH_TASKS_NV:
layout->draw_mesh_tasks = true;
layout->draw_params_offset = pCreateInfo->pTokens[i].offset;
break;
case VK_INDIRECT_COMMANDS_TOKEN_TYPE_PIPELINE_NV:
layout->bind_pipeline = true;
layout->pipeline_params_offset = pCreateInfo->pTokens[i].offset;
break;
default:
unreachable("Unhandled token type");
}
}
if (!layout->indexed)
layout->binds_index_buffer = false;
*pIndirectCommandsLayout = radv_indirect_command_layout_to_handle(layout);
return VK_SUCCESS;
}
VKAPI_ATTR void VKAPI_CALL
radv_DestroyIndirectCommandsLayoutNV(VkDevice _device, VkIndirectCommandsLayoutNV indirectCommandsLayout,
const VkAllocationCallbacks *pAllocator)
{
VK_FROM_HANDLE(radv_device, device, _device);
VK_FROM_HANDLE(radv_indirect_command_layout, layout, indirectCommandsLayout);
if (!layout)
return;
vk_object_base_finish(&layout->base);
vk_free2(&device->vk.alloc, pAllocator, layout);
}
VKAPI_ATTR void VKAPI_CALL
radv_GetGeneratedCommandsMemoryRequirementsNV(VkDevice _device,
const VkGeneratedCommandsMemoryRequirementsInfoNV *pInfo,
VkMemoryRequirements2 *pMemoryRequirements)
{
VK_FROM_HANDLE(radv_device, device, _device);
const struct radv_physical_device *pdev = radv_device_physical(device);
VK_FROM_HANDLE(radv_indirect_command_layout, layout, pInfo->indirectCommandsLayout);
VK_FROM_HANDLE(radv_pipeline, pipeline, pInfo->pipeline);
uint32_t cmd_stride, upload_stride;
radv_get_sequence_size(layout, pipeline, &cmd_stride, &upload_stride);
VkDeviceSize cmd_buf_size = radv_align_cmdbuf_size(device, cmd_stride * pInfo->maxSequencesCount, AMD_IP_GFX) +
radv_dgc_preamble_cmdbuf_size(device);
VkDeviceSize upload_buf_size = upload_stride * pInfo->maxSequencesCount;
pMemoryRequirements->memoryRequirements.memoryTypeBits = pdev->memory_types_32bit;
pMemoryRequirements->memoryRequirements.alignment =
MAX2(pdev->info.ip[AMD_IP_GFX].ib_alignment, pdev->info.ip[AMD_IP_COMPUTE].ib_alignment);
pMemoryRequirements->memoryRequirements.size =
align(cmd_buf_size + upload_buf_size, pMemoryRequirements->memoryRequirements.alignment);
}
bool
radv_use_dgc_predication(struct radv_cmd_buffer *cmd_buffer, const VkGeneratedCommandsInfoNV *pGeneratedCommandsInfo)
{
VK_FROM_HANDLE(radv_buffer, seq_count_buffer, pGeneratedCommandsInfo->sequencesCountBuffer);
/* Enable conditional rendering (if not enabled by user) to skip prepare/execute DGC calls when
* the indirect sequence count might be zero. This can only be enabled on GFX because on ACE it's
* not possible to skip the execute DGC call (ie. no INDIRECT_PACKET)
*/
return cmd_buffer->qf == RADV_QUEUE_GENERAL && seq_count_buffer && !cmd_buffer->state.predicating;
}
static bool
radv_dgc_need_push_constants_copy(const struct radv_pipeline *pipeline)
{
for (unsigned i = 0; i < ARRAY_SIZE(pipeline->shaders); ++i) {
const struct radv_shader *shader = pipeline->shaders[i];
if (!shader)
continue;
const struct radv_userdata_locations *locs = &shader->info.user_sgprs_locs;
if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0)
return true;
}
return false;
}
bool
radv_dgc_can_preprocess(const struct radv_indirect_command_layout *layout, struct radv_pipeline *pipeline)
{
if (!(layout->flags & VK_INDIRECT_COMMANDS_LAYOUT_USAGE_EXPLICIT_PREPROCESS_BIT_NV))
return false;
/* From the Vulkan spec (1.3.269, chapter 32):
* "The bound descriptor sets and push constants that will be used with indirect command generation for the compute
* piplines must already be specified at the time of preprocessing commands with vkCmdPreprocessGeneratedCommandsNV.
* They must not change until the execution of indirect commands is submitted with vkCmdExecuteGeneratedCommandsNV."
*
* So we can always preprocess compute layouts.
*/
if (layout->pipeline_bind_point != VK_PIPELINE_BIND_POINT_COMPUTE) {
/* VBO binding (in particular partial VBO binding) uses some draw state which we don't generate at preprocess time
* yet. */
if (layout->bind_vbo_mask)
return false;
/* Do not preprocess when all push constants can't be inlined because they need to be copied
* to the upload BO.
*/
if (layout->push_constant_mask && radv_dgc_need_push_constants_copy(pipeline))
return false;
}
return true;
}
VKAPI_ATTR void VKAPI_CALL
radv_CmdPreprocessGeneratedCommandsNV(VkCommandBuffer commandBuffer,
const VkGeneratedCommandsInfoNV *pGeneratedCommandsInfo)
{
VK_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
VK_FROM_HANDLE(radv_indirect_command_layout, layout, pGeneratedCommandsInfo->indirectCommandsLayout);
VK_FROM_HANDLE(radv_pipeline, pipeline, pGeneratedCommandsInfo->pipeline);
if (!radv_dgc_can_preprocess(layout, pipeline))
return;
/* VK_EXT_conditional_rendering says that copy commands should not be
* affected by conditional rendering.
*/
const bool old_predicating = cmd_buffer->state.predicating;
cmd_buffer->state.predicating = false;
radv_prepare_dgc(cmd_buffer, pGeneratedCommandsInfo, false);
/* Restore conditional rendering. */
cmd_buffer->state.predicating = old_predicating;
}
/* Always need to call this directly before draw due to dependence on bound state. */
static void
radv_prepare_dgc_graphics(struct radv_cmd_buffer *cmd_buffer, const VkGeneratedCommandsInfoNV *pGeneratedCommandsInfo,
unsigned *upload_size, unsigned *upload_offset, void **upload_data,
struct radv_dgc_params *params)
{
VK_FROM_HANDLE(radv_indirect_command_layout, layout, pGeneratedCommandsInfo->indirectCommandsLayout);
VK_FROM_HANDLE(radv_pipeline, pipeline, pGeneratedCommandsInfo->pipeline);
struct radv_graphics_pipeline *graphics_pipeline = radv_pipeline_to_graphics(pipeline);
struct radv_shader *vs = radv_get_shader(graphics_pipeline->base.shaders, MESA_SHADER_VERTEX);
unsigned vb_size = layout->bind_vbo_mask ? util_bitcount(vs->info.vs.vb_desc_usage_mask) * 24 : 0;
*upload_size = MAX2(*upload_size + vb_size, 16);
if (!radv_cmd_buffer_upload_alloc(cmd_buffer, *upload_size, upload_offset, upload_data)) {
vk_command_buffer_set_error(&cmd_buffer->vk, VK_ERROR_OUT_OF_HOST_MEMORY);
return;
}
uint16_t vtx_base_sgpr = 0;
if (cmd_buffer->state.graphics_pipeline->vtx_base_sgpr)
vtx_base_sgpr = (cmd_buffer->state.graphics_pipeline->vtx_base_sgpr - SI_SH_REG_OFFSET) >> 2;
if (cmd_buffer->state.graphics_pipeline->uses_drawid)
vtx_base_sgpr |= DGC_USES_DRAWID;
if (layout->draw_mesh_tasks) {
struct radv_shader *mesh_shader = radv_get_shader(graphics_pipeline->base.shaders, MESA_SHADER_MESH);
if (mesh_shader->info.cs.uses_grid_size)
vtx_base_sgpr |= DGC_USES_GRID_SIZE;
} else {
if (cmd_buffer->state.graphics_pipeline->uses_baseinstance)
vtx_base_sgpr |= DGC_USES_BASEINSTANCE;
}
params->draw_indexed = layout->indexed;
params->draw_params_offset = layout->draw_params_offset;
params->binds_index_buffer = layout->binds_index_buffer;
params->vtx_base_sgpr = vtx_base_sgpr;
params->max_index_count = cmd_buffer->state.max_index_count;
params->index_buffer_offset = layout->index_buffer_offset;
params->ibo_type_32 = layout->ibo_type_32;
params->ibo_type_8 = layout->ibo_type_8;
params->draw_mesh_tasks = layout->draw_mesh_tasks;
if (layout->bind_vbo_mask) {
uint32_t mask = vs->info.vs.vb_desc_usage_mask;
unsigned vb_desc_alloc_size = util_bitcount(mask) * 16;
radv_write_vertex_descriptors(cmd_buffer, graphics_pipeline, true, *upload_data);
uint32_t *vbo_info = (uint32_t *)((char *)*upload_data + vb_desc_alloc_size);
unsigned idx = 0;
while (mask) {
unsigned i = u_bit_scan(&mask);
unsigned binding = vs->info.vs.use_per_attribute_vb_descs ? graphics_pipeline->attrib_bindings[i] : i;
uint32_t attrib_end = graphics_pipeline->attrib_ends[i];
params->vbo_bind_mask |= ((layout->bind_vbo_mask >> binding) & 1u) << idx;
vbo_info[2 * idx] = ((vs->info.vs.use_per_attribute_vb_descs ? 1u : 0u) << 31) | layout->vbo_offsets[binding];
vbo_info[2 * idx + 1] = graphics_pipeline->attrib_index_offset[i] | (attrib_end << 16);
++idx;
}
params->vbo_cnt = idx;
params->vbo_reg =
((radv_get_user_sgpr(vs, AC_UD_VS_VERTEX_BUFFERS)->sgpr_idx * 4 + vs->info.user_data_0) - SI_SH_REG_OFFSET) >>
2;
*upload_data = (char *)*upload_data + vb_size;
}
}
static void
radv_prepare_dgc_compute(struct radv_cmd_buffer *cmd_buffer, const VkGeneratedCommandsInfoNV *pGeneratedCommandsInfo,
unsigned *upload_size, unsigned *upload_offset, void **upload_data,
struct radv_dgc_params *params, bool cond_render_enabled)
{
VK_FROM_HANDLE(radv_indirect_command_layout, layout, pGeneratedCommandsInfo->indirectCommandsLayout);
VK_FROM_HANDLE(radv_pipeline, pipeline, pGeneratedCommandsInfo->pipeline);
struct radv_device *device = radv_cmd_buffer_device(cmd_buffer);
const struct radv_physical_device *pdev = radv_device_physical(device);
*upload_size = MAX2(*upload_size, 16);
if (!radv_cmd_buffer_upload_alloc(cmd_buffer, *upload_size, upload_offset, upload_data)) {
vk_command_buffer_set_error(&cmd_buffer->vk, VK_ERROR_OUT_OF_HOST_MEMORY);
return;
}
params->dispatch_params_offset = layout->dispatch_params_offset;
params->dispatch_initiator = device->dispatch_initiator | S_00B800_FORCE_START_AT_000(1);
params->is_dispatch = 1;
if (cond_render_enabled) {
params->predicating = true;
params->predication_va = cmd_buffer->state.predication_va;
params->predication_type = cmd_buffer->state.predication_type;
}
if (pipeline) {
struct radv_compute_pipeline *compute_pipeline = radv_pipeline_to_compute(pipeline);
struct radv_shader *cs = radv_get_shader(compute_pipeline->base.shaders, MESA_SHADER_COMPUTE);
if (cs->info.wave_size == 32) {
assert(pdev->info.gfx_level >= GFX10);
params->dispatch_initiator |= S_00B800_CS_W32_EN(1);
}
const struct radv_userdata_info *loc = radv_get_user_sgpr(cs, AC_UD_CS_GRID_SIZE);
if (loc->sgpr_idx != -1) {
params->grid_base_sgpr = (cs->info.user_data_0 + 4 * loc->sgpr_idx - SI_SH_REG_OFFSET) >> 2;
}
} else {
params->bind_pipeline = 1;
params->pipeline_params_offset = layout->pipeline_params_offset;
}
}
void
radv_prepare_dgc(struct radv_cmd_buffer *cmd_buffer, const VkGeneratedCommandsInfoNV *pGeneratedCommandsInfo,
bool cond_render_enabled)
{
VK_FROM_HANDLE(radv_indirect_command_layout, layout, pGeneratedCommandsInfo->indirectCommandsLayout);
VK_FROM_HANDLE(radv_pipeline, pipeline, pGeneratedCommandsInfo->pipeline);
VK_FROM_HANDLE(radv_buffer, prep_buffer, pGeneratedCommandsInfo->preprocessBuffer);
VK_FROM_HANDLE(radv_buffer, stream_buffer, pGeneratedCommandsInfo->pStreams[0].buffer);
struct radv_device *device = radv_cmd_buffer_device(cmd_buffer);
struct radv_meta_saved_state saved_state;
unsigned upload_offset, upload_size;
struct radv_buffer token_buffer;
void *upload_data;
uint32_t cmd_stride, upload_stride;
radv_get_sequence_size(layout, pipeline, &cmd_stride, &upload_stride);
unsigned cmd_buf_size =
radv_align_cmdbuf_size(device, cmd_stride * pGeneratedCommandsInfo->sequencesCount, AMD_IP_GFX);
uint64_t upload_addr =
radv_buffer_get_va(prep_buffer->bo) + prep_buffer->offset + pGeneratedCommandsInfo->preprocessOffset;
uint64_t stream_addr =
radv_buffer_get_va(stream_buffer->bo) + stream_buffer->offset + pGeneratedCommandsInfo->pStreams[0].offset;
struct radv_dgc_params params = {
.cmd_buf_stride = cmd_stride,
.cmd_buf_size = cmd_buf_size,
.upload_addr = (uint32_t)upload_addr,
.upload_stride = upload_stride,
.sequence_count = pGeneratedCommandsInfo->sequencesCount,
.stream_stride = layout->input_stride,
.use_preamble = radv_dgc_use_preamble(pGeneratedCommandsInfo),
.stream_addr = stream_addr,
};
upload_size = layout->push_constant_size + 16 * layout->dynamic_offset_count +
sizeof(layout->push_constant_offsets) + ARRAY_SIZE(pipeline->shaders) * 12;
if (!layout->push_constant_mask)
upload_size = 0;
if (layout->pipeline_bind_point == VK_PIPELINE_BIND_POINT_GRAPHICS) {
radv_prepare_dgc_graphics(cmd_buffer, pGeneratedCommandsInfo, &upload_size, &upload_offset, &upload_data,
&params);
} else {
assert(layout->pipeline_bind_point == VK_PIPELINE_BIND_POINT_COMPUTE);
radv_prepare_dgc_compute(cmd_buffer, pGeneratedCommandsInfo, &upload_size, &upload_offset, &upload_data, &params,
cond_render_enabled);
}
if (layout->push_constant_mask) {
uint32_t *desc = upload_data;
upload_data = (char *)upload_data + ARRAY_SIZE(pipeline->shaders) * 12;
unsigned idx = 0;
if (pipeline) {
for (unsigned i = 0; i < ARRAY_SIZE(pipeline->shaders); ++i) {
if (!pipeline->shaders[i])
continue;
const struct radv_shader *shader = pipeline->shaders[i];
const struct radv_userdata_locations *locs = &shader->info.user_sgprs_locs;
if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0)
params.const_copy = 1;
if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0 ||
locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].sgpr_idx >= 0) {
unsigned upload_sgpr = 0;
unsigned inline_sgpr = 0;
if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0) {
upload_sgpr = (shader->info.user_data_0 + 4 * locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx -
SI_SH_REG_OFFSET) >>
2;
}
if (locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].sgpr_idx >= 0) {
inline_sgpr = (shader->info.user_data_0 +
4 * locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].sgpr_idx - SI_SH_REG_OFFSET) >>
2;
desc[idx * 3 + 1] = pipeline->shaders[i]->info.inline_push_constant_mask;
desc[idx * 3 + 2] = pipeline->shaders[i]->info.inline_push_constant_mask >> 32;
}
desc[idx * 3] = upload_sgpr | (inline_sgpr << 16);
++idx;
}
}
}
params.push_constant_shader_cnt = idx;
params.const_copy_size = layout->push_constant_size + 16 * layout->dynamic_offset_count;
params.push_constant_mask = layout->push_constant_mask;
memcpy(upload_data, layout->push_constant_offsets, sizeof(layout->push_constant_offsets));
upload_data = (char *)upload_data + sizeof(layout->push_constant_offsets);
memcpy(upload_data, cmd_buffer->push_constants, layout->push_constant_size);
upload_data = (char *)upload_data + layout->push_constant_size;
struct radv_descriptor_state *descriptors_state =
radv_get_descriptors_state(cmd_buffer, pGeneratedCommandsInfo->pipelineBindPoint);
memcpy(upload_data, descriptors_state->dynamic_buffers, 16 * layout->dynamic_offset_count);
upload_data = (char *)upload_data + 16 * layout->dynamic_offset_count;
}
radv_buffer_init(&token_buffer, device, cmd_buffer->upload.upload_bo, upload_size, upload_offset);
VkWriteDescriptorSet ds_writes[5];
VkDescriptorBufferInfo buf_info[ARRAY_SIZE(ds_writes)];
int ds_cnt = 0;
buf_info[ds_cnt] =
(VkDescriptorBufferInfo){.buffer = radv_buffer_to_handle(&token_buffer), .offset = 0, .range = upload_size};
ds_writes[ds_cnt] = (VkWriteDescriptorSet){.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = DGC_DESC_PARAMS,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.pBufferInfo = &buf_info[ds_cnt]};
++ds_cnt;
buf_info[ds_cnt] = (VkDescriptorBufferInfo){.buffer = pGeneratedCommandsInfo->preprocessBuffer,
.offset = pGeneratedCommandsInfo->preprocessOffset,
.range = pGeneratedCommandsInfo->preprocessSize};
ds_writes[ds_cnt] = (VkWriteDescriptorSet){.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = DGC_DESC_PREPARE,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.pBufferInfo = &buf_info[ds_cnt]};
++ds_cnt;
if (pGeneratedCommandsInfo->streamCount > 0) {
buf_info[ds_cnt] = (VkDescriptorBufferInfo){.buffer = pGeneratedCommandsInfo->pStreams[0].buffer,
.offset = pGeneratedCommandsInfo->pStreams[0].offset,
.range = VK_WHOLE_SIZE};
ds_writes[ds_cnt] = (VkWriteDescriptorSet){.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = DGC_DESC_STREAM,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.pBufferInfo = &buf_info[ds_cnt]};
++ds_cnt;
}
if (pGeneratedCommandsInfo->sequencesCountBuffer != VK_NULL_HANDLE) {
buf_info[ds_cnt] = (VkDescriptorBufferInfo){.buffer = pGeneratedCommandsInfo->sequencesCountBuffer,
.offset = pGeneratedCommandsInfo->sequencesCountOffset,
.range = VK_WHOLE_SIZE};
ds_writes[ds_cnt] = (VkWriteDescriptorSet){.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = DGC_DESC_COUNT,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.pBufferInfo = &buf_info[ds_cnt]};
++ds_cnt;
params.sequence_count |= 1u << 31;
}
radv_meta_save(&saved_state, cmd_buffer,
RADV_META_SAVE_COMPUTE_PIPELINE | RADV_META_SAVE_DESCRIPTORS | RADV_META_SAVE_CONSTANTS);
radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE,
device->meta_state.dgc_prepare.pipeline);
vk_common_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer), device->meta_state.dgc_prepare.p_layout,
VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(params), &params);
radv_meta_push_descriptor_set(cmd_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, device->meta_state.dgc_prepare.p_layout, 0,
ds_cnt, ds_writes);
unsigned block_count = MAX2(1, DIV_ROUND_UP(pGeneratedCommandsInfo->sequencesCount, 64));
vk_common_CmdDispatch(radv_cmd_buffer_to_handle(cmd_buffer), block_count, 1, 1);
radv_buffer_finish(&token_buffer);
radv_meta_restore(&saved_state, cmd_buffer);
}
/* VK_NV_device_generated_commands_compute */
VKAPI_ATTR void VKAPI_CALL
radv_GetPipelineIndirectMemoryRequirementsNV(VkDevice _device, const VkComputePipelineCreateInfo *pCreateInfo,
VkMemoryRequirements2 *pMemoryRequirements)
{
VkMemoryRequirements *reqs = &pMemoryRequirements->memoryRequirements;
const uint32_t size = sizeof(struct radv_compute_pipeline_metadata);
VK_FROM_HANDLE(radv_device, device, _device);
const struct radv_physical_device *pdev = radv_device_physical(device);
reqs->memoryTypeBits = ((1u << pdev->memory_properties.memoryTypeCount) - 1u) & ~pdev->memory_types_32bit;
reqs->alignment = 4;
reqs->size = align(size, reqs->alignment);
}
VKAPI_ATTR VkDeviceAddress VKAPI_CALL
radv_GetPipelineIndirectDeviceAddressNV(VkDevice device, const VkPipelineIndirectDeviceAddressInfoNV *pInfo)
{
VK_FROM_HANDLE(radv_pipeline, pipeline, pInfo->pipeline);
return radv_pipeline_to_compute(pipeline)->indirect.va;
}
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