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428601095c38bd80f4ed164414f8096edd73832f
third_party_mesa3d/src/gallium/drivers/radeonsi/si_state_draw.cpp
Samuel Pitoiset 428601095c ac,radeonsi import PM4 state from RadeonSI 
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29452>
2024-06-06 20:26:47 +00:00

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102 KiB
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/*
* Copyright 2012 Advanced Micro Devices, Inc.
*
* SPDX-License-Identifier: MIT
*/
#include "si_build_pm4.h"
#include "util/hash_table.h"
#define XXH_INLINE_ALL
#include "util/xxhash.h"
#include "util/u_cpu_detect.h"
#include "util/u_index_modify.h"
#include "util/u_prim.h"
#include "util/u_upload_mgr.h"
#include "ac_rtld.h"
#include "si_build_pm4.h"
#include "si_tracepoints.h"
#if (GFX_VER == 6)
#define GFX(name) name##GFX6
#elif (GFX_VER == 7)
#define GFX(name) name##GFX7
#elif (GFX_VER == 8)
#define GFX(name) name##GFX8
#elif (GFX_VER == 9)
#define GFX(name) name##GFX9
#elif (GFX_VER == 10)
#define GFX(name) name##GFX10
#elif (GFX_VER == 103)
#define GFX(name) name##GFX10_3
#elif (GFX_VER == 11)
#define GFX(name) name##GFX11
#elif (GFX_VER == 115)
#define GFX(name) name##GFX11_5
#elif (GFX_VER == 12)
#define GFX(name) name##GFX12
#else
#error "Unknown gfx level"
#endif
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG>
static bool si_update_shaders(struct si_context *sctx)
{
struct pipe_context *ctx = (struct pipe_context *)sctx;
struct si_shader *old_vs = si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->current;
unsigned old_pa_cl_vs_out_cntl = old_vs ? old_vs->pa_cl_vs_out_cntl : 0;
bool old_uses_vs_state_provoking_vertex = old_vs ? old_vs->uses_vs_state_provoking_vertex : false;
bool old_uses_gs_state_outprim = old_vs ? old_vs->uses_gs_state_outprim : false;
struct si_shader *old_ps = sctx->shader.ps.current;
unsigned old_spi_shader_col_format =
old_ps ? old_ps->key.ps.part.epilog.spi_shader_col_format : 0;
int r;
/* Update TCS and TES. */
if (HAS_TESS) {
if (!sctx->has_tessellation) {
si_init_tess_factor_ring(sctx);
if (!sctx->has_tessellation)
return false;
}
if (!sctx->is_user_tcs) {
if (!si_set_tcs_to_fixed_func_shader(sctx))
return false;
}
r = si_shader_select(ctx, &sctx->shader.tcs);
if (r)
return false;
si_pm4_bind_state(sctx, hs, sctx->shader.tcs.current);
if (!HAS_GS || GFX_VERSION <= GFX8) {
r = si_shader_select(ctx, &sctx->shader.tes);
if (r)
return false;
if (HAS_GS) {
/* TES as ES */
assert(GFX_VERSION <= GFX8);
si_pm4_bind_state(sctx, es, sctx->shader.tes.current);
} else if (NGG) {
si_pm4_bind_state(sctx, gs, sctx->shader.tes.current);
} else {
si_pm4_bind_state(sctx, vs, sctx->shader.tes.current);
}
}
} else {
/* Reset TCS to clear fixed function shader. */
if (!sctx->is_user_tcs && sctx->shader.tcs.cso) {
sctx->shader.tcs.cso = NULL;
sctx->shader.tcs.current = NULL;
}
if (GFX_VERSION <= GFX8) {
si_pm4_bind_state(sctx, ls, NULL);
sctx->prefetch_L2_mask &= ~SI_PREFETCH_LS;
}
si_pm4_bind_state(sctx, hs, NULL);
sctx->prefetch_L2_mask &= ~SI_PREFETCH_HS;
}
/* Update GS. */
if (HAS_GS) {
r = si_shader_select(ctx, &sctx->shader.gs);
if (r)
return false;
si_pm4_bind_state(sctx, gs, sctx->shader.gs.current);
if (!NGG) {
si_pm4_bind_state(sctx, vs, sctx->shader.gs.current->gs_copy_shader);
if (!si_update_gs_ring_buffers(sctx))
return false;
} else if (GFX_VERSION < GFX11) {
si_pm4_bind_state(sctx, vs, NULL);
sctx->prefetch_L2_mask &= ~SI_PREFETCH_VS;
}
} else {
if (!NGG) {
si_pm4_bind_state(sctx, gs, NULL);
sctx->prefetch_L2_mask &= ~SI_PREFETCH_GS;
if (GFX_VERSION <= GFX8) {
si_pm4_bind_state(sctx, es, NULL);
sctx->prefetch_L2_mask &= ~SI_PREFETCH_ES;
}
}
}
/* Update VS. */
if ((!HAS_TESS && !HAS_GS) || GFX_VERSION <= GFX8) {
r = si_shader_select(ctx, &sctx->shader.vs);
if (r)
return false;
if (!HAS_TESS && !HAS_GS) {
if (NGG) {
si_pm4_bind_state(sctx, gs, sctx->shader.vs.current);
if (GFX_VERSION < GFX11) {
si_pm4_bind_state(sctx, vs, NULL);
sctx->prefetch_L2_mask &= ~SI_PREFETCH_VS;
}
} else {
si_pm4_bind_state(sctx, vs, sctx->shader.vs.current);
}
} else if (HAS_TESS) {
si_pm4_bind_state(sctx, ls, sctx->shader.vs.current);
} else {
assert(HAS_GS);
si_pm4_bind_state(sctx, es, sctx->shader.vs.current);
}
}
if (GFX_VERSION >= GFX9 && HAS_TESS)
sctx->vs_uses_base_instance = sctx->queued.named.hs->uses_base_instance;
else if (GFX_VERSION >= GFX9 && HAS_GS)
sctx->vs_uses_base_instance = sctx->shader.gs.current->uses_base_instance;
else
sctx->vs_uses_base_instance = sctx->shader.vs.current->uses_base_instance;
/* Update VGT_SHADER_STAGES_EN. */
uint32_t vgt_stages = 0;
if (HAS_TESS) {
if (GFX_VERSION >= GFX12) {
vgt_stages |= S_028A98_HS_EN(1) |
S_028A98_HS_W32_EN(sctx->queued.named.hs->wave_size == 32);
} else {
vgt_stages |= S_028B54_LS_EN(V_028B54_LS_STAGE_ON) |
S_028B54_HS_EN(1) |
S_028B54_DYNAMIC_HS(1) |
S_028B54_HS_W32_EN(GFX_VERSION >= GFX10 &&
sctx->queued.named.hs->wave_size == 32);
}
}
if (NGG) {
vgt_stages |= si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->current->ngg.vgt_shader_stages_en;
} else {
if (HAS_GS) {
/* Legacy GS only supports Wave64. */
assert(sctx->shader.gs.current->wave_size == 64);
vgt_stages |= S_028B54_ES_EN(HAS_TESS ? V_028B54_ES_STAGE_DS : V_028B54_ES_STAGE_REAL) |
S_028B54_GS_EN(1) |
S_028B54_VS_EN(V_028B54_VS_STAGE_COPY_SHADER) |
S_028B54_VS_W32_EN(GFX_VERSION >= GFX10 &&
sctx->shader.gs.current->gs_copy_shader->wave_size == 32);
} else if (HAS_TESS) {
vgt_stages |= S_028B54_VS_EN(V_028B54_VS_STAGE_DS);
}
vgt_stages |= S_028B54_MAX_PRIMGRP_IN_WAVE(GFX_VERSION >= GFX9 ? 2 : 0) |
S_028B54_VS_W32_EN(!HAS_GS && GFX_VERSION >= GFX10 &&
si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->current->wave_size == 32);
}
/* Update GE_CNTL. */
uint32_t ge_cntl = 0;
if (GFX_VERSION >= GFX10) {
union si_vgt_param_key key = sctx->ia_multi_vgt_param_key;
if (NGG) {
if (HAS_TESS) {
if (GFX_VERSION >= GFX11) {
ge_cntl = si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->current->ge_cntl |
S_03096C_BREAK_PRIMGRP_AT_EOI(key.u.tess_uses_prim_id);
} else {
/* PRIM_GRP_SIZE_GFX10 is set by si_emit_vgt_pipeline_state. */
ge_cntl = S_03096C_VERT_GRP_SIZE(0) |
S_03096C_BREAK_WAVE_AT_EOI(key.u.tess_uses_prim_id);
}
} else {
ge_cntl = si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->current->ge_cntl;
}
if (GFX_VERSION >= GFX12)
ge_cntl |= S_03096C_DIS_PG_SIZE_ADJUST_FOR_STRIP(1);
} else {
unsigned primgroup_size;
unsigned vertgroup_size;
assert(GFX_VERSION < GFX11);
if (HAS_TESS) {
primgroup_size = 0; /* this is set by si_emit_vgt_pipeline_state */
vertgroup_size = 0;
} else if (HAS_GS) {
unsigned vgt_gs_onchip_cntl = sctx->shader.gs.current->gs.vgt_gs_onchip_cntl;
primgroup_size = G_028A44_GS_PRIMS_PER_SUBGRP(vgt_gs_onchip_cntl);
vertgroup_size = G_028A44_ES_VERTS_PER_SUBGRP(vgt_gs_onchip_cntl);
} else {
primgroup_size = 128; /* recommended without a GS and tess */
vertgroup_size = 0;
}
ge_cntl = S_03096C_PRIM_GRP_SIZE_GFX10(primgroup_size) |
S_03096C_VERT_GRP_SIZE(vertgroup_size) |
S_03096C_BREAK_WAVE_AT_EOI(key.u.uses_tess && key.u.tess_uses_prim_id);
}
/* Note: GE_CNTL.PACKET_TO_ONE_PA should only be set if LINE_STIPPLE_TEX_ENA == 1.
* Since we don't use that, we don't have to do anything.
*/
}
if (vgt_stages != sctx->vgt_shader_stages_en ||
(GFX_VERSION >= GFX10 && ge_cntl != sctx->ge_cntl)) {
sctx->vgt_shader_stages_en = vgt_stages;
sctx->ge_cntl = ge_cntl;
si_mark_atom_dirty(sctx, &sctx->atoms.s.vgt_pipeline_state);
}
struct si_shader *hw_vs = si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->current;
if (old_pa_cl_vs_out_cntl != hw_vs->pa_cl_vs_out_cntl)
si_mark_atom_dirty(sctx, &sctx->atoms.s.clip_regs);
/* If we start to use any of these, we need to update the SGPR. */
if ((hw_vs->uses_vs_state_provoking_vertex && !old_uses_vs_state_provoking_vertex) ||
(hw_vs->uses_gs_state_outprim && !old_uses_gs_state_outprim)) {
si_update_ngg_sgpr_state_out_prim(sctx, hw_vs, NGG);
si_update_ngg_sgpr_state_provoking_vtx(sctx, hw_vs, NGG);
}
r = si_shader_select(ctx, &sctx->shader.ps);
if (r)
return false;
si_pm4_bind_state(sctx, ps, sctx->shader.ps.current);
unsigned db_shader_control = sctx->shader.ps.current->ps.db_shader_control;
if (sctx->ps_db_shader_control != db_shader_control) {
sctx->ps_db_shader_control = db_shader_control;
si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state);
if (sctx->screen->dpbb_allowed)
si_mark_atom_dirty(sctx, &sctx->atoms.s.dpbb_state);
}
unsigned pa_sc_hisz_control = sctx->shader.ps.current->ps.pa_sc_hisz_control;
if (GFX_VERSION >= GFX12 && sctx->screen->dpbb_allowed &&
sctx->ps_pa_sc_hisz_control != pa_sc_hisz_control) {
sctx->ps_pa_sc_hisz_control = pa_sc_hisz_control;
si_mark_atom_dirty(sctx, &sctx->atoms.s.dpbb_state);
}
if (si_pm4_state_changed(sctx, ps) ||
(!NGG && si_pm4_state_changed(sctx, vs)) ||
(NGG && si_pm4_state_changed(sctx, gs))) {
sctx->atoms.s.spi_map.emit = sctx->emit_spi_map[sctx->shader.ps.current->ps.num_interp];
si_mark_atom_dirty(sctx, &sctx->atoms.s.spi_map);
}
if ((GFX_VERSION >= GFX10_3 || (GFX_VERSION >= GFX9 && sctx->screen->info.rbplus_allowed)) &&
si_pm4_state_changed(sctx, ps) &&
(!old_ps || old_spi_shader_col_format !=
sctx->shader.ps.current->key.ps.part.epilog.spi_shader_col_format))
si_mark_atom_dirty(sctx, &sctx->atoms.s.cb_render_state);
if (sctx->smoothing_enabled !=
sctx->shader.ps.current->key.ps.mono.poly_line_smoothing) {
sctx->smoothing_enabled = sctx->shader.ps.current->key.ps.mono.poly_line_smoothing;
si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config);
/* NGG cull state uses smoothing_enabled. */
if (GFX_VERSION >= GFX10 && sctx->screen->use_ngg_culling)
si_mark_atom_dirty(sctx, &sctx->atoms.s.ngg_cull_state);
if (GFX_VERSION == GFX11 && sctx->screen->info.has_export_conflict_bug)
si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state);
if (sctx->framebuffer.nr_samples <= 1)
si_mark_atom_dirty(sctx, &sctx->atoms.s.sample_locations);
}
if (HAS_TESS)
si_update_tess_io_layout_state(sctx);
if (GFX_VERSION >= GFX9 && unlikely(sctx->sqtt)) {
/* Pretend the bound shaders form a vk pipeline. Include the scratch size in
* the hash calculation to force re-emitting the pipeline if the scratch bo
* changes.
*/
uint64_t scratch_bo_size = sctx->scratch_buffer ? sctx->scratch_buffer->bo_size : 0;
uint64_t pipeline_code_hash = scratch_bo_size;
uint32_t total_size = 0;
/* Compute pipeline code hash. */
for (int i = 0; i < SI_NUM_GRAPHICS_SHADERS; i++) {
struct si_shader *shader = sctx->shaders[i].current;
if (sctx->shaders[i].cso && shader) {
pipeline_code_hash = XXH64(
shader->binary.code_buffer,
shader->binary.code_size,
pipeline_code_hash);
total_size += (uint32_t)align_uintptr(shader->binary.uploaded_code_size, 256);
}
}
struct si_sqtt_fake_pipeline *pipeline = NULL;
if (!si_sqtt_pipeline_is_registered(sctx->sqtt, pipeline_code_hash)) {
/* This is a new pipeline. Allocate a new bo to hold all the shaders. Without
* this, shader code export process creates huge rgp files because RGP assumes
* the shaders live sequentially in memory (shader N address = shader 0 + offset N)
*/
struct si_resource *bo = si_aligned_buffer_create(
&sctx->screen->b,
SI_RESOURCE_FLAG_DRIVER_INTERNAL | SI_RESOURCE_FLAG_32BIT,
PIPE_USAGE_IMMUTABLE, align(total_size, SI_CPDMA_ALIGNMENT), 256);
char *ptr = (char *) (bo ? sctx->screen->ws->buffer_map(sctx->screen->ws,
bo->buf, NULL,
(enum pipe_map_flags)(PIPE_MAP_READ_WRITE | PIPE_MAP_UNSYNCHRONIZED | RADEON_MAP_TEMPORARY)) :
NULL);
uint32_t offset = 0;
uint64_t scratch_va = sctx->scratch_buffer ? sctx->scratch_buffer->gpu_address : 0;
if (ptr) {
pipeline = (struct si_sqtt_fake_pipeline *)
CALLOC(1, sizeof(struct si_sqtt_fake_pipeline));
pipeline->code_hash = pipeline_code_hash;
si_resource_reference(&pipeline->bo, bo);
/* Re-upload all gfx shaders and init PM4. */
si_pm4_clear_state(&pipeline->pm4, sctx->screen, false);
for (int i = 0; i < SI_NUM_GRAPHICS_SHADERS; i++) {
struct si_shader *shader = sctx->shaders[i].current;
if (sctx->shaders[i].cso && shader) {
si_resource_reference(&shader->bo, bo);
int size = si_shader_binary_upload_at(sctx->screen, shader, scratch_va, offset);
pipeline->offset[i] = offset;
offset += align(size, 256);
struct si_pm4_state *pm4 = &shader->pm4;
uint64_t va_low = shader->gpu_address >> 8;
uint32_t reg = pm4->base.spi_shader_pgm_lo_reg;
ac_pm4_set_reg(&pipeline->pm4.base, reg, va_low);
}
}
ac_pm4_finalize(&pipeline->pm4.base);
sctx->screen->ws->buffer_unmap(sctx->screen->ws, bo->buf);
_mesa_hash_table_u64_insert(sctx->sqtt->pipeline_bos,
pipeline_code_hash, pipeline);
si_sqtt_register_pipeline(sctx, pipeline, false);
} else {
if (bo)
si_resource_reference(&bo, NULL);
}
} else {
pipeline = (struct si_sqtt_fake_pipeline *)_mesa_hash_table_u64_search(
sctx->sqtt->pipeline_bos, pipeline_code_hash);
}
assert(pipeline);
pipeline->code_hash = pipeline_code_hash;
radeon_add_to_buffer_list(sctx, &sctx->gfx_cs, pipeline->bo,
RADEON_USAGE_READ | RADEON_PRIO_SHADER_BINARY);
si_sqtt_describe_pipeline_bind(sctx, pipeline_code_hash, 0);
si_pm4_bind_state(sctx, sqtt_pipeline, pipeline);
}
if ((GFX_VERSION <= GFX8 &&
(si_pm4_state_enabled_and_changed(sctx, ls) || si_pm4_state_enabled_and_changed(sctx, es))) ||
si_pm4_state_enabled_and_changed(sctx, hs) || si_pm4_state_enabled_and_changed(sctx, gs) ||
(!NGG && si_pm4_state_enabled_and_changed(sctx, vs)) || si_pm4_state_enabled_and_changed(sctx, ps)) {
unsigned scratch_size = 0;
if (HAS_TESS) {
if (GFX_VERSION <= GFX8) /* LS */
scratch_size = MAX2(scratch_size, sctx->shader.vs.current->config.scratch_bytes_per_wave);
scratch_size = MAX2(scratch_size, sctx->queued.named.hs->config.scratch_bytes_per_wave);
if (HAS_GS) {
if (GFX_VERSION <= GFX8) /* ES */
scratch_size = MAX2(scratch_size, sctx->shader.tes.current->config.scratch_bytes_per_wave);
scratch_size = MAX2(scratch_size, sctx->shader.gs.current->config.scratch_bytes_per_wave);
} else {
scratch_size = MAX2(scratch_size, sctx->shader.tes.current->config.scratch_bytes_per_wave);
}
} else if (HAS_GS) {
if (GFX_VERSION <= GFX8) /* ES */
scratch_size = MAX2(scratch_size, sctx->shader.vs.current->config.scratch_bytes_per_wave);
scratch_size = MAX2(scratch_size, sctx->shader.gs.current->config.scratch_bytes_per_wave);
} else {
scratch_size = MAX2(scratch_size, sctx->shader.vs.current->config.scratch_bytes_per_wave);
}
scratch_size = MAX2(scratch_size, sctx->shader.ps.current->config.scratch_bytes_per_wave);
if (scratch_size && !si_update_spi_tmpring_size(sctx, scratch_size))
return false;
if (GFX_VERSION >= GFX7) {
if (GFX_VERSION <= GFX8 && HAS_TESS && si_pm4_state_enabled_and_changed(sctx, ls))
sctx->prefetch_L2_mask |= SI_PREFETCH_LS;
if (HAS_TESS && si_pm4_state_enabled_and_changed(sctx, hs))
sctx->prefetch_L2_mask |= SI_PREFETCH_HS;
if (GFX_VERSION <= GFX8 && HAS_GS && si_pm4_state_enabled_and_changed(sctx, es))
sctx->prefetch_L2_mask |= SI_PREFETCH_ES;
if ((HAS_GS || NGG) && si_pm4_state_enabled_and_changed(sctx, gs))
sctx->prefetch_L2_mask |= SI_PREFETCH_GS;
if (!NGG && si_pm4_state_enabled_and_changed(sctx, vs))
sctx->prefetch_L2_mask |= SI_PREFETCH_VS;
if (si_pm4_state_enabled_and_changed(sctx, ps))
sctx->prefetch_L2_mask |= SI_PREFETCH_PS;
}
}
/* si_shader_select_with_key can clear the ngg_culling in the shader key if the shader
* compilation hasn't finished. Set it to the same value in si_context.
*/
if (GFX_VERSION >= GFX10 && NGG)
sctx->ngg_culling = si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->current->key.ge.opt.ngg_culling;
sctx->do_update_shaders = false;
return true;
}
ALWAYS_INLINE
static unsigned si_conv_pipe_prim(unsigned mode)
{
static const unsigned prim_conv[] = {
[MESA_PRIM_POINTS] = V_008958_DI_PT_POINTLIST,
[MESA_PRIM_LINES] = V_008958_DI_PT_LINELIST,
[MESA_PRIM_LINE_LOOP] = V_008958_DI_PT_LINELOOP,
[MESA_PRIM_LINE_STRIP] = V_008958_DI_PT_LINESTRIP,
[MESA_PRIM_TRIANGLES] = V_008958_DI_PT_TRILIST,
[MESA_PRIM_TRIANGLE_STRIP] = V_008958_DI_PT_TRISTRIP,
[MESA_PRIM_TRIANGLE_FAN] = V_008958_DI_PT_TRIFAN,
[MESA_PRIM_QUADS] = V_008958_DI_PT_QUADLIST,
[MESA_PRIM_QUAD_STRIP] = V_008958_DI_PT_QUADSTRIP,
[MESA_PRIM_POLYGON] = V_008958_DI_PT_POLYGON,
[MESA_PRIM_LINES_ADJACENCY] = V_008958_DI_PT_LINELIST_ADJ,
[MESA_PRIM_LINE_STRIP_ADJACENCY] = V_008958_DI_PT_LINESTRIP_ADJ,
[MESA_PRIM_TRIANGLES_ADJACENCY] = V_008958_DI_PT_TRILIST_ADJ,
[MESA_PRIM_TRIANGLE_STRIP_ADJACENCY] = V_008958_DI_PT_TRISTRIP_ADJ,
[MESA_PRIM_PATCHES] = V_008958_DI_PT_PATCH,
[SI_PRIM_RECTANGLE_LIST] = V_008958_DI_PT_RECTLIST};
assert(mode < ARRAY_SIZE(prim_conv));
return prim_conv[mode];
}
template<amd_gfx_level GFX_VERSION>
static void si_cp_dma_prefetch_inline(struct si_context *sctx, uint64_t address, unsigned size)
{
assert(GFX_VERSION >= GFX7);
if (GFX_VERSION >= GFX11)
size = MIN2(size, 32768 - SI_CPDMA_ALIGNMENT);
/* The prefetch address and size must be aligned, so that we don't have to apply
* the complicated hw bug workaround.
*
* The size should also be less than 2 MB, so that we don't have to use a loop.
* Callers shouldn't need to prefetch more than 2 MB.
*/
assert(size % SI_CPDMA_ALIGNMENT == 0);
assert(address % SI_CPDMA_ALIGNMENT == 0);
assert(size < S_415_BYTE_COUNT_GFX6(~0u));
uint32_t header = S_411_SRC_SEL(V_411_SRC_ADDR_TC_L2);
uint32_t command = S_415_BYTE_COUNT_GFX6(size);
if (GFX_VERSION >= GFX9) {
command |= S_415_DISABLE_WR_CONFIRM_GFX9(1);
header |= S_411_DST_SEL(V_411_NOWHERE);
} else {
command |= S_415_DISABLE_WR_CONFIRM_GFX6(1);
header |= S_411_DST_SEL(V_411_DST_ADDR_TC_L2);
}
struct radeon_cmdbuf *cs = &sctx->gfx_cs;
radeon_begin(cs);
radeon_emit(PKT3(PKT3_DMA_DATA, 5, 0));
radeon_emit(header);
radeon_emit(address); /* SRC_ADDR_LO [31:0] */
radeon_emit(address >> 32); /* SRC_ADDR_HI [31:0] */
radeon_emit(address); /* DST_ADDR_LO [31:0] */
radeon_emit(address >> 32); /* DST_ADDR_HI [31:0] */
radeon_emit(command);
radeon_end();
}
#if GFX_VER == 6 /* declare this function only once because it handles all chips. */
void si_cp_dma_prefetch(struct si_context *sctx, struct pipe_resource *buf,
unsigned offset, unsigned size)
{
uint64_t address = si_resource(buf)->gpu_address + offset;
switch (sctx->gfx_level) {
case GFX7:
si_cp_dma_prefetch_inline<GFX7>(sctx, address, size);
break;
case GFX8:
si_cp_dma_prefetch_inline<GFX8>(sctx, address, size);
break;
case GFX9:
si_cp_dma_prefetch_inline<GFX9>(sctx, address, size);
break;
case GFX10:
si_cp_dma_prefetch_inline<GFX10>(sctx, address, size);
break;
case GFX10_3:
si_cp_dma_prefetch_inline<GFX10_3>(sctx, address, size);
break;
case GFX11:
si_cp_dma_prefetch_inline<GFX11>(sctx, address, size);
break;
case GFX11_5:
si_cp_dma_prefetch_inline<GFX11_5>(sctx, address, size);
break;
case GFX12:
si_cp_dma_prefetch_inline<GFX12>(sctx, address, size);
break;
default:
break;
}
}
#endif
template<amd_gfx_level GFX_VERSION>
static void si_prefetch_shader_async(struct si_context *sctx, struct si_shader *shader)
{
struct pipe_resource *bo = &shader->bo->b.b;
si_cp_dma_prefetch_inline<GFX_VERSION>(sctx, shader->gpu_address, bo->width0);
}
/**
* Prefetch shaders.
*/
template<amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG>
ALWAYS_INLINE
static void si_prefetch_shaders(struct si_context *sctx)
{
unsigned mask = sctx->prefetch_L2_mask;
/* GFX6 doesn't support the L2 prefetch. */
if (GFX_VERSION < GFX7 || !mask)
return;
/* Prefetch shaders and VBO descriptors to TC L2. */
if (GFX_VERSION >= GFX11) {
if (HAS_TESS && mask & SI_PREFETCH_HS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.hs);
if (mask & SI_PREFETCH_GS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.gs);
} else if (GFX_VERSION >= GFX9) {
if (HAS_TESS) {
if (mask & SI_PREFETCH_HS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.hs);
}
if ((HAS_GS || NGG) && mask & SI_PREFETCH_GS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.gs);
if (!NGG && mask & SI_PREFETCH_VS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.vs);
} else {
/* GFX6-GFX8 */
/* Choose the right spot for the VBO prefetch. */
if (HAS_TESS) {
if (mask & SI_PREFETCH_LS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.ls);
if (mask & SI_PREFETCH_HS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.hs);
if (mask & SI_PREFETCH_ES)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.es);
if (mask & SI_PREFETCH_GS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.gs);
} else if (HAS_GS) {
if (mask & SI_PREFETCH_ES)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.es);
if (mask & SI_PREFETCH_GS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.gs);
}
if (mask & SI_PREFETCH_VS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.vs);
}
if (mask & SI_PREFETCH_PS)
si_prefetch_shader_async<GFX_VERSION>(sctx, sctx->queued.named.ps);
/* This must be cleared only when AFTER_DRAW is true. */
sctx->prefetch_L2_mask = 0;
}
static unsigned si_num_prims_for_vertices(enum mesa_prim prim,
unsigned count, unsigned vertices_per_patch)
{
switch (prim) {
case MESA_PRIM_PATCHES:
return count / vertices_per_patch;
case MESA_PRIM_POLYGON:
/* It's a triangle fan with different edge flags. */
return count >= 3 ? count - 2 : 0;
case SI_PRIM_RECTANGLE_LIST:
return count / 3;
default:
return u_decomposed_prims_for_vertices(prim, count);
}
}
static unsigned si_get_init_multi_vgt_param(struct si_screen *sscreen, union si_vgt_param_key *key)
{
STATIC_ASSERT(sizeof(union si_vgt_param_key) == 2);
unsigned max_primgroup_in_wave = 2;
/* SWITCH_ON_EOP(0) is always preferable. */
bool wd_switch_on_eop = false;
bool ia_switch_on_eop = false;
bool ia_switch_on_eoi = false;
bool partial_vs_wave = false;
bool partial_es_wave = false;
if (key->u.uses_tess) {
/* SWITCH_ON_EOI must be set if PrimID is used. */
if (key->u.tess_uses_prim_id)
ia_switch_on_eoi = true;
/* Bug with tessellation and GS on Bonaire and older 2 SE chips. */
if ((sscreen->info.family == CHIP_TAHITI || sscreen->info.family == CHIP_PITCAIRN ||
sscreen->info.family == CHIP_BONAIRE) &&
key->u.uses_gs)
partial_vs_wave = true;
/* Needed for 028B6C_DISTRIBUTION_MODE != 0. (implies >= GFX8) */
if (sscreen->info.has_distributed_tess) {
if (key->u.uses_gs) {
if (sscreen->info.gfx_level == GFX8)
partial_es_wave = true;
} else {
partial_vs_wave = true;
}
}
}
/* This is a hardware requirement. */
if (key->u.line_stipple_enabled || (sscreen->debug_flags & DBG(SWITCH_ON_EOP))) {
ia_switch_on_eop = true;
wd_switch_on_eop = true;
}
if (sscreen->info.gfx_level >= GFX7) {
/* WD_SWITCH_ON_EOP has no effect on GPUs with less than
* 4 shader engines. Set 1 to pass the assertion below.
* The other cases are hardware requirements.
*
* Polaris supports primitive restart with WD_SWITCH_ON_EOP=0
* for points, line strips, and tri strips.
*/
if (sscreen->info.max_se <= 2 || key->u.prim == MESA_PRIM_POLYGON ||
key->u.prim == MESA_PRIM_LINE_LOOP || key->u.prim == MESA_PRIM_TRIANGLE_FAN ||
key->u.prim == MESA_PRIM_TRIANGLE_STRIP_ADJACENCY ||
(key->u.primitive_restart &&
(sscreen->info.family < CHIP_POLARIS10 ||
(key->u.prim != MESA_PRIM_POINTS && key->u.prim != MESA_PRIM_LINE_STRIP &&
key->u.prim != MESA_PRIM_TRIANGLE_STRIP))) ||
key->u.count_from_stream_output)
wd_switch_on_eop = true;
/* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0.
* We don't know that for indirect drawing, so treat it as
* always problematic. */
if (sscreen->info.family == CHIP_HAWAII && key->u.uses_instancing)
wd_switch_on_eop = true;
/* Performance recommendation for 4 SE Gfx7-8 parts if
* instances are smaller than a primgroup.
* Assume indirect draws always use small instances.
* This is needed for good VS wave utilization.
*/
if (sscreen->info.gfx_level <= GFX8 && sscreen->info.max_se == 4 &&
key->u.multi_instances_smaller_than_primgroup)
wd_switch_on_eop = true;
/* Required on GFX7 and later. */
if (sscreen->info.max_se == 4 && !wd_switch_on_eop)
ia_switch_on_eoi = true;
/* HW engineers suggested that PARTIAL_VS_WAVE_ON should be set
* to work around a GS hang.
*/
if (key->u.uses_gs &&
(sscreen->info.family == CHIP_TONGA || sscreen->info.family == CHIP_FIJI ||
sscreen->info.family == CHIP_POLARIS10 || sscreen->info.family == CHIP_POLARIS11 ||
sscreen->info.family == CHIP_POLARIS12 || sscreen->info.family == CHIP_VEGAM))
partial_vs_wave = true;
/* Required by Hawaii and, for some special cases, by GFX8. */
if (ia_switch_on_eoi &&
(sscreen->info.family == CHIP_HAWAII ||
(sscreen->info.gfx_level == GFX8 && (key->u.uses_gs || max_primgroup_in_wave != 2))))
partial_vs_wave = true;
/* Instancing bug on Bonaire. */
if (sscreen->info.family == CHIP_BONAIRE && ia_switch_on_eoi && key->u.uses_instancing)
partial_vs_wave = true;
/* This only applies to Polaris10 and later 4 SE chips.
* wd_switch_on_eop is already true on all other chips.
*/
if (!wd_switch_on_eop && key->u.primitive_restart)
partial_vs_wave = true;
/* If the WD switch is false, the IA switch must be false too. */
assert(wd_switch_on_eop || !ia_switch_on_eop);
}
/* If SWITCH_ON_EOI is set, PARTIAL_ES_WAVE must be set too. */
if (sscreen->info.gfx_level <= GFX8 && ia_switch_on_eoi)
partial_es_wave = true;
return S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop) | S_028AA8_SWITCH_ON_EOI(ia_switch_on_eoi) |
S_028AA8_PARTIAL_VS_WAVE_ON(partial_vs_wave) |
S_028AA8_PARTIAL_ES_WAVE_ON(partial_es_wave) |
S_028AA8_WD_SWITCH_ON_EOP(sscreen->info.gfx_level >= GFX7 ? wd_switch_on_eop : 0) |
/* The following field was moved to VGT_SHADER_STAGES_EN in GFX9. */
S_028AA8_MAX_PRIMGRP_IN_WAVE(sscreen->info.gfx_level == GFX8 ? max_primgroup_in_wave
: 0) |
S_030960_EN_INST_OPT_BASIC(sscreen->info.gfx_level >= GFX9) |
S_030960_EN_INST_OPT_ADV(sscreen->info.gfx_level >= GFX9);
}
static void si_init_ia_multi_vgt_param_table(struct si_context *sctx)
{
for (int prim = 0; prim <= SI_PRIM_RECTANGLE_LIST; prim++)
for (int uses_instancing = 0; uses_instancing < 2; uses_instancing++)
for (int multi_instances = 0; multi_instances < 2; multi_instances++)
for (int primitive_restart = 0; primitive_restart < 2; primitive_restart++)
for (int count_from_so = 0; count_from_so < 2; count_from_so++)
for (int line_stipple = 0; line_stipple < 2; line_stipple++)
for (int uses_tess = 0; uses_tess < 2; uses_tess++)
for (int tess_uses_primid = 0; tess_uses_primid < 2; tess_uses_primid++)
for (int uses_gs = 0; uses_gs < 2; uses_gs++) {
union si_vgt_param_key key;
key.index = 0;
key.u.prim = prim;
key.u.uses_instancing = uses_instancing;
key.u.multi_instances_smaller_than_primgroup = multi_instances;
key.u.primitive_restart = primitive_restart;
key.u.count_from_stream_output = count_from_so;
key.u.line_stipple_enabled = line_stipple;
key.u.uses_tess = uses_tess;
key.u.tess_uses_prim_id = tess_uses_primid;
key.u.uses_gs = uses_gs;
sctx->ia_multi_vgt_param[key.index] =
si_get_init_multi_vgt_param(sctx->screen, &key);
}
}
static bool si_is_line_stipple_enabled(struct si_context *sctx)
{
struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
return rs->line_stipple_enable && sctx->current_rast_prim != MESA_PRIM_POINTS &&
(rs->polygon_mode_is_lines || util_prim_is_lines(sctx->current_rast_prim));
}
enum si_is_draw_vertex_state {
DRAW_VERTEX_STATE_OFF,
DRAW_VERTEX_STATE_ON,
};
enum si_has_sh_pairs_packed {
HAS_SH_PAIRS_PACKED_OFF,
HAS_SH_PAIRS_PACKED_ON,
};
template <si_is_draw_vertex_state IS_DRAW_VERTEX_STATE> ALWAYS_INLINE
static bool num_instanced_prims_less_than(const struct pipe_draw_indirect_info *indirect,
enum mesa_prim prim,
unsigned min_vertex_count,
unsigned instance_count,
unsigned num_prims,
uint8_t vertices_per_patch)
{
if (IS_DRAW_VERTEX_STATE)
return 0;
if (indirect) {
return indirect->buffer ||
(instance_count > 1 && indirect->count_from_stream_output);
} else {
return instance_count > 1 &&
si_num_prims_for_vertices(prim, min_vertex_count, vertices_per_patch) < num_prims;
}
}
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS,
si_is_draw_vertex_state IS_DRAW_VERTEX_STATE> ALWAYS_INLINE
static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx,
const struct pipe_draw_indirect_info *indirect,
enum mesa_prim prim, unsigned instance_count,
bool primitive_restart, unsigned min_vertex_count)
{
union si_vgt_param_key key = sctx->ia_multi_vgt_param_key;
unsigned primgroup_size;
unsigned ia_multi_vgt_param;
if (HAS_TESS) {
primgroup_size = sctx->num_patches_per_workgroup;
} else if (HAS_GS) {
primgroup_size = 64; /* recommended with a GS */
} else {
primgroup_size = 128; /* recommended without a GS and tess */
}
key.u.prim = prim;
key.u.uses_instancing = !IS_DRAW_VERTEX_STATE &&
((indirect && indirect->buffer) || instance_count > 1);
key.u.multi_instances_smaller_than_primgroup =
num_instanced_prims_less_than<IS_DRAW_VERTEX_STATE>(indirect, prim, min_vertex_count,
instance_count, primgroup_size,
sctx->patch_vertices);
key.u.primitive_restart = !IS_DRAW_VERTEX_STATE && primitive_restart;
key.u.count_from_stream_output = !IS_DRAW_VERTEX_STATE && indirect &&
indirect->count_from_stream_output;
key.u.line_stipple_enabled = si_is_line_stipple_enabled(sctx);
ia_multi_vgt_param =
sctx->ia_multi_vgt_param[key.index] | S_028AA8_PRIMGROUP_SIZE(primgroup_size - 1);
if (HAS_GS) {
/* GS requirement. */
if (GFX_VERSION <= GFX8 &&
SI_GS_PER_ES / primgroup_size >= sctx->screen->gs_table_depth - 3)
ia_multi_vgt_param |= S_028AA8_PARTIAL_ES_WAVE_ON(1);
/* GS hw bug with single-primitive instances and SWITCH_ON_EOI.
* The hw doc says all multi-SE chips are affected, but Vulkan
* only applies it to Hawaii. Do what Vulkan does.
*/
if (GFX_VERSION == GFX7 &&
sctx->family == CHIP_HAWAII && G_028AA8_SWITCH_ON_EOI(ia_multi_vgt_param) &&
num_instanced_prims_less_than<IS_DRAW_VERTEX_STATE>(indirect, prim, min_vertex_count,
instance_count, 2, sctx->patch_vertices)) {
/* The cache flushes should have been emitted already. */
assert(sctx->flags == 0);
sctx->flags = SI_CONTEXT_VGT_FLUSH;
si_emit_cache_flush_direct(sctx);
}
}
return ia_multi_vgt_param;
}
/* rast_prim is the primitive type after GS. */
template<amd_gfx_level GFX_VERSION, si_has_gs HAS_GS, si_has_ngg NGG> ALWAYS_INLINE
static void si_emit_rasterizer_prim_state(struct si_context *sctx)
{
struct radeon_cmdbuf *cs = &sctx->gfx_cs;
radeon_begin(cs);
if (unlikely(si_is_line_stipple_enabled(sctx))) {
/* For lines, reset the stipple pattern at each primitive. Otherwise,
* reset the stipple pattern at each packet (line strips, line loops).
*/
enum mesa_prim rast_prim = sctx->current_rast_prim;
bool reset_per_prim = rast_prim == MESA_PRIM_LINES ||
rast_prim == MESA_PRIM_LINES_ADJACENCY;
/* 0 = no reset, 1 = reset per prim, 2 = reset per packet */
if (GFX_VERSION >= GFX12) {
radeon_opt_set_context_reg(R_028A44_PA_SC_LINE_STIPPLE_RESET,
SI_TRACKED_PA_SC_LINE_STIPPLE_RESET,
S_028A44_AUTO_RESET_CNTL(reset_per_prim ? 1 : 2));
} else {
struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
radeon_opt_set_context_reg(R_028A0C_PA_SC_LINE_STIPPLE,
SI_TRACKED_PA_SC_LINE_STIPPLE,
rs->pa_sc_line_stipple |
S_028A0C_AUTO_RESET_CNTL(reset_per_prim ? 1 : 2));
}
}
if (NGG || HAS_GS) {
if (GFX_VERSION >= GFX11) {
radeon_opt_set_uconfig_reg(R_030998_VGT_GS_OUT_PRIM_TYPE,
SI_TRACKED_VGT_GS_OUT_PRIM_TYPE_UCONFIG, sctx->gs_out_prim);
} else {
radeon_opt_set_context_reg(R_028A6C_VGT_GS_OUT_PRIM_TYPE,
SI_TRACKED_VGT_GS_OUT_PRIM_TYPE, sctx->gs_out_prim);
}
}
if (GFX_VERSION == GFX9)
radeon_end_update_context_roll();
else
radeon_end();
}
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG,
si_is_draw_vertex_state IS_DRAW_VERTEX_STATE, si_has_sh_pairs_packed HAS_SH_PAIRS_PACKED> ALWAYS_INLINE
static void si_emit_vs_state(struct si_context *sctx, unsigned index_size)
{
if (!IS_DRAW_VERTEX_STATE && sctx->num_vs_blit_sgprs) {
/* Re-emit the state after we leave u_blitter. */
sctx->last_vs_state = ~0;
sctx->last_gs_state = ~0;
return;
}
unsigned vs_state = sctx->current_vs_state; /* all VS bits */
unsigned gs_state = sctx->current_gs_state; /* only GS and NGG bits; VS bits will be copied here */
if (sctx->shader.vs.cso->info.uses_base_vertex && index_size)
vs_state |= ENCODE_FIELD(VS_STATE_INDEXED, 1);
/* Copy all state bits from vs_state to gs_state. */
gs_state |= vs_state;
if (vs_state != sctx->last_vs_state ||
((HAS_GS || NGG) && gs_state != sctx->last_gs_state)) {
struct radeon_cmdbuf *cs = &sctx->gfx_cs;
/* These are all constant expressions. */
unsigned vs_base = si_get_user_data_base(GFX_VERSION, HAS_TESS, HAS_GS, NGG,
PIPE_SHADER_VERTEX);
unsigned tes_base = si_get_user_data_base(GFX_VERSION, HAS_TESS, HAS_GS, NGG,
PIPE_SHADER_TESS_EVAL);
unsigned gs_base = si_get_user_data_base(GFX_VERSION, HAS_TESS, HAS_GS, NGG,
PIPE_SHADER_GEOMETRY);
unsigned gs_copy_base = R_00B130_SPI_SHADER_USER_DATA_VS_0;
radeon_begin(cs);
if (HAS_GS) {
radeon_set_or_push_gfx_sh_reg(vs_base + SI_SGPR_VS_STATE_BITS * 4, vs_state);
/* GS always uses the state bits for emulating VGT_ESGS_RING_ITEMSIZE on Gfx9
* (via nir_load_esgs_vertex_stride_amd) and for emulating GS pipeline statistics
* on gfx10.x. NGG GS also has lots of states in there.
*/
if (GFX_VERSION >= GFX9)
radeon_set_or_push_gfx_sh_reg(gs_base + SI_SGPR_VS_STATE_BITS * 4, gs_state);
/* The GS copy shader (for legacy GS) always uses the state bits. */
if (!NGG)
radeon_set_or_push_gfx_sh_reg(gs_copy_base + SI_SGPR_VS_STATE_BITS * 4, gs_state);
} else if (HAS_TESS) {
radeon_set_or_push_gfx_sh_reg(vs_base + SI_SGPR_VS_STATE_BITS * 4, vs_state);
radeon_set_or_push_gfx_sh_reg(tes_base + SI_SGPR_VS_STATE_BITS * 4, NGG ? gs_state : vs_state);
} else {
radeon_set_or_push_gfx_sh_reg(vs_base + SI_SGPR_VS_STATE_BITS * 4, NGG ? gs_state : vs_state);
}
radeon_end();
sctx->last_vs_state = vs_state;
if (HAS_GS || NGG)
sctx->last_gs_state = gs_state;
}
}
template <amd_gfx_level GFX_VERSION> ALWAYS_INLINE
static bool si_prim_restart_index_changed(struct si_context *sctx, unsigned index_size,
bool primitive_restart, unsigned restart_index)
{
if (!primitive_restart)
return false;
if (sctx->last_restart_index == SI_RESTART_INDEX_UNKNOWN)
return true;
/* GFX8+ only compares the index type number of bits of the restart index, so the unused bits
* are "don't care".
*
* Summary of restart index comparator behavior:
* - GFX6-7: Compare all bits.
* - GFX8: Only compare index type bits.
* - GFX9+: If MATCH_ALL_BITS, compare all bits, else only compare index type bits.
*/
if (GFX_VERSION >= GFX8) {
/* This masking eliminates no-op 0xffffffff -> 0xffff restart index changes that cause
* unnecessary context rolls when switching the index type.
*/
unsigned index_mask = BITFIELD_MASK(index_size * 8);
return (restart_index & index_mask) != (sctx->last_restart_index & index_mask);
} else {
return restart_index != sctx->last_restart_index;
}
}
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS,
si_is_draw_vertex_state IS_DRAW_VERTEX_STATE> ALWAYS_INLINE
static void si_emit_ia_multi_vgt_param(struct si_context *sctx,
const struct pipe_draw_indirect_info *indirect,
enum mesa_prim prim, unsigned instance_count,
bool primitive_restart, unsigned min_vertex_count)
{
struct radeon_cmdbuf *cs = &sctx->gfx_cs;
unsigned ia_multi_vgt_param;
ia_multi_vgt_param =
si_get_ia_multi_vgt_param<GFX_VERSION, HAS_TESS, HAS_GS, IS_DRAW_VERTEX_STATE>
(sctx, indirect, prim, instance_count, primitive_restart, min_vertex_count);
radeon_begin(cs);
if (GFX_VERSION == GFX9) {
/* Workaround for SpecviewPerf13 Catia hang on GFX9. */
if (prim != sctx->last_prim)
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, SI_TRACKED_IA_MULTI_VGT_PARAM_UCONFIG);
radeon_opt_set_uconfig_reg_idx(R_030960_IA_MULTI_VGT_PARAM,
SI_TRACKED_IA_MULTI_VGT_PARAM_UCONFIG,
4, ia_multi_vgt_param);
} else if (GFX_VERSION >= GFX7) {
radeon_opt_set_context_reg_idx(R_028AA8_IA_MULTI_VGT_PARAM,
SI_TRACKED_IA_MULTI_VGT_PARAM, 1, ia_multi_vgt_param);
} else {
radeon_opt_set_context_reg(R_028AA8_IA_MULTI_VGT_PARAM,
SI_TRACKED_IA_MULTI_VGT_PARAM, ia_multi_vgt_param);
}
radeon_end();
}
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG,
si_is_draw_vertex_state IS_DRAW_VERTEX_STATE> ALWAYS_INLINE
static void si_emit_draw_registers(struct si_context *sctx,
const struct pipe_draw_indirect_info *indirect,
enum mesa_prim prim, unsigned index_size,
unsigned instance_count, bool primitive_restart,
unsigned restart_index, unsigned min_vertex_count)
{
struct radeon_cmdbuf *cs = &sctx->gfx_cs;
if (GFX_VERSION <= GFX9) {
si_emit_ia_multi_vgt_param<GFX_VERSION, HAS_TESS, HAS_GS, IS_DRAW_VERTEX_STATE>
(sctx, indirect, prim, instance_count, primitive_restart, min_vertex_count);
}
radeon_begin(cs);
if (prim != sctx->last_prim) {
unsigned vgt_prim = HAS_TESS ? V_008958_DI_PT_PATCH : si_conv_pipe_prim(prim);
if (GFX_VERSION >= GFX12 && HAS_TESS)
vgt_prim |= S_030908_NUM_INPUT_CP(sctx->patch_vertices);
if (GFX_VERSION >= GFX10)
radeon_set_uconfig_reg(R_030908_VGT_PRIMITIVE_TYPE, vgt_prim);
else if (GFX_VERSION >= GFX7)
radeon_set_uconfig_reg_idx(R_030908_VGT_PRIMITIVE_TYPE, 1, vgt_prim);
else
radeon_set_config_reg(R_008958_VGT_PRIMITIVE_TYPE, vgt_prim);
sctx->last_prim = prim;
}
/* Primitive restart. */
if (GFX_VERSION >= GFX11) {
/* GFX11+ can ignore primitive restart for non-indexed draws because it has no effect.
* (it's disabled for non-indexed draws by setting DISABLE_FOR_AUTO_INDEX in the preamble)
*/
if (index_size) {
if (primitive_restart != sctx->last_primitive_restart_en) {
radeon_set_uconfig_reg(R_03092C_GE_MULTI_PRIM_IB_RESET_EN,
S_03092C_RESET_EN(primitive_restart) |
/* This disables primitive restart for non-indexed draws.
* By keeping this set, we don't have to unset RESET_EN
* for non-indexed draws. */
S_03092C_DISABLE_FOR_AUTO_INDEX(1));
sctx->last_primitive_restart_en = primitive_restart;
}
if (si_prim_restart_index_changed<GFX_VERSION>(sctx, index_size, primitive_restart,
restart_index)) {
radeon_set_context_reg(R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX, restart_index);
sctx->last_restart_index = restart_index;
}
}
} else {
if (primitive_restart != sctx->last_primitive_restart_en) {
if (GFX_VERSION >= GFX9)
radeon_set_uconfig_reg(R_03092C_VGT_MULTI_PRIM_IB_RESET_EN, primitive_restart);
else
radeon_set_context_reg(R_028A94_VGT_MULTI_PRIM_IB_RESET_EN, primitive_restart);
sctx->last_primitive_restart_en = primitive_restart;
}
if (si_prim_restart_index_changed<GFX_VERSION>(sctx, index_size, primitive_restart,
restart_index)) {
radeon_set_context_reg(R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX, restart_index);
sctx->last_restart_index = restart_index;
if (GFX_VERSION == GFX9)
sctx->context_roll = true;
}
}
radeon_end();
}
static ALWAYS_INLINE void
gfx11_emit_buffered_sh_regs_inline(struct si_context *sctx, unsigned *num_regs,
struct gfx11_reg_pair *reg_pairs)
{
unsigned reg_count = *num_regs;
if (!reg_count)
return;
*num_regs = 0;
/* If there is only one register, we can't use the packed SET packet. */
if (reg_count == 1) {
radeon_begin(&sctx->gfx_cs);
radeon_emit(PKT3(PKT3_SET_SH_REG, 1, 0));
radeon_emit(reg_pairs[0].reg_offset[0]);
radeon_emit(reg_pairs[0].reg_value[0]);
radeon_end();
return;
}
unsigned packet = reg_count <= 14 ? PKT3_SET_SH_REG_PAIRS_PACKED_N :
PKT3_SET_SH_REG_PAIRS_PACKED;
unsigned padded_reg_count = align(reg_count, 2);
radeon_begin(&sctx->gfx_cs);
radeon_emit(PKT3(packet, (padded_reg_count / 2) * 3, 0) | PKT3_RESET_FILTER_CAM_S(1));
radeon_emit(padded_reg_count);
radeon_emit_array(reg_pairs, (reg_count / 2) * 3);
if (reg_count % 2 == 1) {
unsigned i = reg_count / 2;
/* Pad the packet by setting the first register again at the end because the register
* count must be even and 2 consecutive offsets must not be equal.
*/
radeon_emit(reg_pairs[i].reg_offset[0] | ((uint32_t)reg_pairs[0].reg_offset[0] << 16));
radeon_emit(reg_pairs[i].reg_value[0]);
radeon_emit(reg_pairs[0].reg_value[0]);
}
radeon_end();
}
#define gfx12_emit_buffered_sh_regs_inline(num_regs, regs) do { \
unsigned __reg_count = *(num_regs); \
if (__reg_count) { \
radeon_emit(PKT3(PKT3_SET_SH_REG_PAIRS, __reg_count * 2 - 1, 0) | PKT3_RESET_FILTER_CAM_S(1)); \
radeon_emit_array(regs, __reg_count * 2); \
*(num_regs) = 0; \
} \
} while (0)
#if GFX_VER == 6 /* declare this function only once because there is only one variant. */
void si_emit_buffered_compute_sh_regs(struct si_context *sctx)
{
if (sctx->gfx_level >= GFX12) {
radeon_begin(&sctx->gfx_cs);
gfx12_emit_buffered_sh_regs_inline(&sctx->num_buffered_compute_sh_regs,
sctx->gfx12.buffered_compute_sh_regs);
radeon_end();
} else {
gfx11_emit_buffered_sh_regs_inline(sctx, &sctx->num_buffered_compute_sh_regs,
sctx->gfx11.buffered_compute_sh_regs);
}
}
#endif
#define EMIT_SQTT_END_DRAW \
do { \
if (GFX_VERSION >= GFX9 && unlikely(sctx->sqtt_enabled)) { \
radeon_begin(&sctx->gfx_cs); \
radeon_emit(PKT3(PKT3_EVENT_WRITE, 0, 0)); \
radeon_emit(EVENT_TYPE(V_028A90_THREAD_TRACE_MARKER) | EVENT_INDEX(0)); \
radeon_end(); \
} \
} while (0)
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG,
si_is_draw_vertex_state IS_DRAW_VERTEX_STATE, si_has_sh_pairs_packed HAS_SH_PAIRS_PACKED> ALWAYS_INLINE
static void si_emit_draw_packets(struct si_context *sctx, const struct pipe_draw_info *info,
unsigned drawid_base,
const struct pipe_draw_indirect_info *indirect,
const struct pipe_draw_start_count_bias *draws,
unsigned num_draws,
struct pipe_resource *indexbuf, unsigned index_size,
unsigned index_offset, unsigned instance_count)
{
struct radeon_cmdbuf *cs = &sctx->gfx_cs;
if (unlikely(sctx->sqtt_enabled)) {
si_sqtt_write_event_marker(sctx, &sctx->gfx_cs, sctx->sqtt_next_event,
UINT_MAX, UINT_MAX, UINT_MAX);
}
uint32_t use_opaque = 0;
if (!IS_DRAW_VERTEX_STATE && indirect && indirect->count_from_stream_output) {
struct si_streamout_target *t = (struct si_streamout_target *)indirect->count_from_stream_output;
radeon_begin(cs);
radeon_set_context_reg(R_028B30_VGT_STRMOUT_DRAW_OPAQUE_VERTEX_STRIDE, t->stride_in_dw);
radeon_end();
if (GFX_VERSION >= GFX9) {
/* Use PKT3_LOAD_CONTEXT_REG_INDEX instead of si_cp_copy_data to support state shadowing. */
uint64_t va = t->buf_filled_size->gpu_address + t->buf_filled_size_draw_count_offset;
radeon_begin(cs);
// TODO: GFX12: This may be discarded by PFP if the shadow base address is provided by the MQD.
radeon_emit(PKT3(PKT3_LOAD_CONTEXT_REG_INDEX, 3, 0));
radeon_emit(va);
radeon_emit(va >> 32);
radeon_emit((R_028B2C_VGT_STRMOUT_DRAW_OPAQUE_BUFFER_FILLED_SIZE - SI_CONTEXT_REG_OFFSET) >> 2);
radeon_emit(1);
radeon_end();
} else {
si_cp_copy_data(sctx, &sctx->gfx_cs, COPY_DATA_REG, NULL,
R_028B2C_VGT_STRMOUT_DRAW_OPAQUE_BUFFER_FILLED_SIZE >> 2, COPY_DATA_SRC_MEM,
t->buf_filled_size, t->buf_filled_size_draw_count_offset);
}
use_opaque = S_0287F0_USE_OPAQUE(1);
indirect = NULL;
}
uint32_t index_max_size = 0;
uint64_t index_va = 0;
bool disable_instance_packing = false;
radeon_begin(cs);
if (GFX_VERSION == GFX10_3) {
/* Workaround for incorrect stats with adjacent primitive types
* (see PAL's waDisableInstancePacking).
*/
if (sctx->num_pipeline_stat_queries &&
sctx->shader.gs.cso == NULL &&
(instance_count > 1 || indirect) &&
(1 << info->mode) & (1 << MESA_PRIM_LINES_ADJACENCY |
1 << MESA_PRIM_LINE_STRIP_ADJACENCY |
1 << MESA_PRIM_TRIANGLES_ADJACENCY |
1 << MESA_PRIM_TRIANGLE_STRIP_ADJACENCY)) {
disable_instance_packing = true;
}
}
/* draw packet */
if (index_size) {
/* Register shadowing doesn't shadow INDEX_TYPE. */
if (index_size != sctx->last_index_size ||
(GFX_VERSION == GFX10_3 && disable_instance_packing != sctx->disable_instance_packing)) {
unsigned index_type;
/* Index type computation. When we look at how we need to translate index_size,
* we can see that we just need 2 shifts to get the hw value.
*
* 1 = 001b --> 10b = 2
* 2 = 010b --> 00b = 0
* 4 = 100b --> 01b = 1
*/
index_type = (((index_size >> 2) | (index_size << 1)) & 0x3) |
S_028A7C_DISABLE_INSTANCE_PACKING(disable_instance_packing);
if (GFX_VERSION <= GFX7 && UTIL_ARCH_BIG_ENDIAN) {
/* GFX7 doesn't support ubyte indices. */
index_type |= index_size == 2 ? V_028A7C_VGT_DMA_SWAP_16_BIT
: V_028A7C_VGT_DMA_SWAP_32_BIT;
}
if (GFX_VERSION >= GFX9) {
radeon_set_uconfig_reg_idx(R_03090C_VGT_INDEX_TYPE, 2, index_type);
} else {
radeon_emit(PKT3(PKT3_INDEX_TYPE, 0, 0));
radeon_emit(index_type);
}
sctx->last_index_size = index_size;
if (GFX_VERSION == GFX10_3)
sctx->disable_instance_packing = disable_instance_packing;
}
index_max_size = (indexbuf->width0 - index_offset) >> util_logbase2(index_size);
/* Skip draw calls with 0-sized index buffers.
* They cause a hang on some chips, like Navi10-14.
*/
if (!index_max_size) {
radeon_end();
return;
}
index_va = si_resource(indexbuf)->gpu_address + index_offset;
radeon_add_to_buffer_list(sctx, &sctx->gfx_cs, si_resource(indexbuf),
RADEON_USAGE_READ | RADEON_PRIO_INDEX_BUFFER);
} else {
/* On GFX7 and later, non-indexed draws overwrite VGT_INDEX_TYPE,
* so the state must be re-emitted before the next indexed draw.
*/
if (GFX_VERSION >= GFX7)
sctx->last_index_size = -1;
if (GFX_VERSION == GFX10_3 && disable_instance_packing != sctx->disable_instance_packing) {
radeon_set_uconfig_reg_idx(R_03090C_VGT_INDEX_TYPE, 2,
S_028A7C_DISABLE_INSTANCE_PACKING(disable_instance_packing));
sctx->disable_instance_packing = disable_instance_packing;
}
}
unsigned sh_base_reg = si_get_user_data_base(GFX_VERSION, HAS_TESS, HAS_GS, NGG,
PIPE_SHADER_VERTEX);
bool render_cond_bit = sctx->render_cond_enabled;
unsigned tracked_base_vertex_reg;
if (HAS_TESS)
tracked_base_vertex_reg = SI_TRACKED_SPI_SHADER_USER_DATA_LS__BASE_VERTEX;
else if (HAS_GS || NGG)
tracked_base_vertex_reg = SI_TRACKED_SPI_SHADER_USER_DATA_ES__BASE_VERTEX;
else
tracked_base_vertex_reg = SI_TRACKED_SPI_SHADER_USER_DATA_VS__BASE_VERTEX;
if (!IS_DRAW_VERTEX_STATE && indirect) {
assert(num_draws == 1);
uint64_t indirect_va = si_resource(indirect->buffer)->gpu_address;
assert(indirect_va % 8 == 0);
if (GFX_VERSION >= GFX12) {
gfx12_emit_buffered_sh_regs_inline(&sctx->num_buffered_gfx_sh_regs,
sctx->gfx12.buffered_gfx_sh_regs);
} else if (HAS_SH_PAIRS_PACKED) {
radeon_end();
gfx11_emit_buffered_sh_regs_inline(sctx, &sctx->num_buffered_gfx_sh_regs,
sctx->gfx11.buffered_gfx_sh_regs);
radeon_begin_again(cs);
}
/* Invalidate tracked draw constants because DrawIndirect overwrites them. */
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg); /* BaseVertex */
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg + 1); /* DrawID */
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg + 2); /* StartInstance */
sctx->last_instance_count = SI_INSTANCE_COUNT_UNKNOWN;
radeon_emit(PKT3(PKT3_SET_BASE, 2, 0));
radeon_emit(1);
radeon_emit(indirect_va);
radeon_emit(indirect_va >> 32);
radeon_add_to_buffer_list(sctx, &sctx->gfx_cs, si_resource(indirect->buffer),
RADEON_USAGE_READ | RADEON_PRIO_DRAW_INDIRECT);
unsigned di_src_sel = index_size ? V_0287F0_DI_SRC_SEL_DMA : V_0287F0_DI_SRC_SEL_AUTO_INDEX;
assert(indirect->offset % 4 == 0);
if (index_size) {
radeon_emit(PKT3(PKT3_INDEX_BASE, 1, 0));
radeon_emit(index_va);
radeon_emit(index_va >> 32);
radeon_emit(PKT3(PKT3_INDEX_BUFFER_SIZE, 0, 0));
radeon_emit(index_max_size);
}
if (!sctx->screen->has_draw_indirect_multi) {
radeon_emit(PKT3(index_size ? PKT3_DRAW_INDEX_INDIRECT : PKT3_DRAW_INDIRECT, 3,
render_cond_bit));
radeon_emit(indirect->offset);
radeon_emit((sh_base_reg + SI_SGPR_BASE_VERTEX * 4 - SI_SH_REG_OFFSET) >> 2);
radeon_emit((sh_base_reg + SI_SGPR_START_INSTANCE * 4 - SI_SH_REG_OFFSET) >> 2);
radeon_emit(di_src_sel);
} else {
uint64_t count_va = 0;
if (indirect->indirect_draw_count) {
struct si_resource *params_buf = si_resource(indirect->indirect_draw_count);
radeon_add_to_buffer_list(sctx, &sctx->gfx_cs, params_buf,
RADEON_USAGE_READ | RADEON_PRIO_DRAW_INDIRECT);
count_va = params_buf->gpu_address + indirect->indirect_draw_count_offset;
}
radeon_emit(PKT3(index_size ? PKT3_DRAW_INDEX_INDIRECT_MULTI : PKT3_DRAW_INDIRECT_MULTI, 8,
render_cond_bit));
radeon_emit(indirect->offset);
radeon_emit((sh_base_reg + SI_SGPR_BASE_VERTEX * 4 - SI_SH_REG_OFFSET) >> 2);
radeon_emit((sh_base_reg + SI_SGPR_START_INSTANCE * 4 - SI_SH_REG_OFFSET) >> 2);
radeon_emit(((sh_base_reg + SI_SGPR_DRAWID * 4 - SI_SH_REG_OFFSET) >> 2) |
S_2C3_DRAW_INDEX_ENABLE(sctx->shader.vs.cso->info.uses_drawid) |
S_2C3_COUNT_INDIRECT_ENABLE(!!indirect->indirect_draw_count));
radeon_emit(indirect->draw_count);
radeon_emit(count_va);
radeon_emit(count_va >> 32);
radeon_emit(indirect->stride);
radeon_emit(di_src_sel);
}
} else {
if (sctx->last_instance_count == SI_INSTANCE_COUNT_UNKNOWN ||
sctx->last_instance_count != instance_count) {
radeon_emit(PKT3(PKT3_NUM_INSTANCES, 0, 0));
radeon_emit(instance_count);
sctx->last_instance_count = instance_count;
}
/* Base vertex and start instance. */
int base_vertex = index_size ? draws[0].index_bias : draws[0].start;
bool set_draw_id = !IS_DRAW_VERTEX_STATE && sctx->vs_uses_draw_id;
bool set_base_instance = sctx->vs_uses_base_instance;
bool is_blit = !IS_DRAW_VERTEX_STATE && sctx->num_vs_blit_sgprs;
if (!is_blit) {
/* Prefer SET_SH_REG_PAIRS_PACKED* on Gfx11+. */
if (GFX_VERSION >= GFX12) {
gfx12_opt_push_gfx_sh_reg(sh_base_reg + SI_SGPR_BASE_VERTEX * 4,
tracked_base_vertex_reg, base_vertex);
if (set_draw_id) {
gfx12_opt_push_gfx_sh_reg(sh_base_reg + SI_SGPR_DRAWID * 4,
tracked_base_vertex_reg + 1, drawid_base);
}
if (set_base_instance) {
gfx12_opt_push_gfx_sh_reg(sh_base_reg + SI_SGPR_START_INSTANCE * 4,
tracked_base_vertex_reg + 2, info->start_instance);
}
} else if (HAS_SH_PAIRS_PACKED) {
gfx11_opt_push_gfx_sh_reg(sh_base_reg + SI_SGPR_BASE_VERTEX * 4,
tracked_base_vertex_reg, base_vertex);
if (set_draw_id) {
gfx11_opt_push_gfx_sh_reg(sh_base_reg + SI_SGPR_DRAWID * 4,
tracked_base_vertex_reg + 1, drawid_base);
}
if (set_base_instance) {
gfx11_opt_push_gfx_sh_reg(sh_base_reg + SI_SGPR_START_INSTANCE * 4,
tracked_base_vertex_reg + 2, info->start_instance);
}
} else {
if (set_base_instance) {
radeon_opt_set_sh_reg3(sh_base_reg + SI_SGPR_BASE_VERTEX * 4,
tracked_base_vertex_reg, base_vertex, drawid_base,
info->start_instance);
} else if (set_draw_id) {
radeon_opt_set_sh_reg2(sh_base_reg + SI_SGPR_BASE_VERTEX * 4,
tracked_base_vertex_reg, base_vertex, drawid_base);
} else {
radeon_opt_set_sh_reg(sh_base_reg + SI_SGPR_BASE_VERTEX * 4,
tracked_base_vertex_reg, base_vertex);
}
}
}
if (GFX_VERSION >= GFX12) {
gfx12_emit_buffered_sh_regs_inline(&sctx->num_buffered_gfx_sh_regs,
sctx->gfx12.buffered_gfx_sh_regs);
} else if (HAS_SH_PAIRS_PACKED) {
radeon_end();
gfx11_emit_buffered_sh_regs_inline(sctx, &sctx->num_buffered_gfx_sh_regs,
sctx->gfx11.buffered_gfx_sh_regs);
radeon_begin_again(cs);
}
/* Blit SGPRs must be set after gfx1X_emit_buffered_sh_regs_inline because they can
* overwrite them.
*/
if (is_blit) {
/* Re-emit draw constants after we leave u_blitter. */
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg); /* BaseVertex */
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg + 1); /* DrawID */
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg + 2); /* StartInstance */
/* Blit VS doesn't use BASE_VERTEX, START_INSTANCE, and DRAWID. */
radeon_set_sh_reg_seq(sh_base_reg + SI_SGPR_VS_BLIT_DATA * 4, sctx->num_vs_blit_sgprs);
radeon_emit_array(sctx->vs_blit_sh_data, sctx->num_vs_blit_sgprs);
}
/* Don't update draw_id in the following code if it doesn't increment. */
bool increment_draw_id = !IS_DRAW_VERTEX_STATE && num_draws > 1 &&
set_draw_id && info->increment_draw_id;
if (index_size) {
/* NOT_EOP allows merging multiple draws into 1 wave, but only user VGPRs
* can be changed between draws, and GS fast launch must be disabled.
* NOT_EOP doesn't work on gfx9 and older.
*
* Instead of doing this, which evaluates the case conditions repeatedly:
* for (all draws) {
* if (case1);
* else;
* }
*
* Use this structuring to evaluate the case conditions once:
* if (case1) for (all draws);
* else for (all draws);
*
*/
bool index_bias_varies = !IS_DRAW_VERTEX_STATE && num_draws > 1 &&
info->index_bias_varies;
if (increment_draw_id) {
if (index_bias_varies) {
for (unsigned i = 0; i < num_draws; i++) {
uint64_t va = index_va + draws[i].start * index_size;
if (i > 0) {
radeon_set_sh_reg_seq(sh_base_reg + SI_SGPR_BASE_VERTEX * 4, 2);
radeon_emit(draws[i].index_bias);
radeon_emit(drawid_base + i);
}
radeon_emit(PKT3(PKT3_DRAW_INDEX_2, 4, render_cond_bit));
radeon_emit(index_max_size);
radeon_emit(va);
radeon_emit(va >> 32);
radeon_emit(draws[i].count);
radeon_emit(V_0287F0_DI_SRC_SEL_DMA); /* NOT_EOP disabled */
}
if (num_draws > 1) {
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg); /* BaseVertex */
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg + 1); /* DrawID */
}
} else {
/* Only DrawID varies. */
for (unsigned i = 0; i < num_draws; i++) {
uint64_t va = index_va + draws[i].start * index_size;
if (i > 0)
radeon_set_sh_reg(sh_base_reg + SI_SGPR_DRAWID * 4, drawid_base + i);
radeon_emit(PKT3(PKT3_DRAW_INDEX_2, 4, render_cond_bit));
radeon_emit(index_max_size);
radeon_emit(va);
radeon_emit(va >> 32);
radeon_emit(draws[i].count);
radeon_emit(V_0287F0_DI_SRC_SEL_DMA); /* NOT_EOP disabled */
}
if (num_draws > 1) {
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg + 1); /* DrawID */
}
}
} else {
if (index_bias_varies) {
/* Only BaseVertex varies. */
for (unsigned i = 0; i < num_draws; i++) {
uint64_t va = index_va + draws[i].start * index_size;
if (i > 0)
radeon_set_sh_reg(sh_base_reg + SI_SGPR_BASE_VERTEX * 4, draws[i].index_bias);
radeon_emit(PKT3(PKT3_DRAW_INDEX_2, 4, render_cond_bit));
radeon_emit(index_max_size);
radeon_emit(va);
radeon_emit(va >> 32);
radeon_emit(draws[i].count);
radeon_emit(V_0287F0_DI_SRC_SEL_DMA); /* NOT_EOP disabled */
}
if (num_draws > 1) {
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg); /* BaseVertex */
}
} else {
/* DrawID and BaseVertex are constant. */
if (GFX_VERSION == GFX10) {
/* GFX10 has a bug that consecutive draw packets with NOT_EOP must not have
* count == 0 in the last draw (which doesn't set NOT_EOP).
*
* So remove all trailing draws with count == 0.
*/
while (num_draws > 1 && !draws[num_draws - 1].count)
num_draws--;
}
for (unsigned i = 0; i < num_draws; i++) {
uint64_t va = index_va + draws[i].start * index_size;
radeon_emit(PKT3(PKT3_DRAW_INDEX_2, 4, render_cond_bit));
radeon_emit(index_max_size);
radeon_emit(va);
radeon_emit(va >> 32);
radeon_emit(draws[i].count);
radeon_emit(V_0287F0_DI_SRC_SEL_DMA |
S_0287F0_NOT_EOP(GFX_VERSION >= GFX10 && GFX_VERSION < GFX12 &&
i < num_draws - 1));
}
}
}
} else {
if (GFX_VERSION == GFX12 && !IS_DRAW_VERTEX_STATE &&
indirect && indirect->count_from_stream_output) {
/* DrawTransformFeedback requires 3 SQ_NON_EVENTs after the packet. */
assert(num_draws == 1);
radeon_emit(PKT3(PKT3_DRAW_INDEX_AUTO, 1, render_cond_bit));
radeon_emit(0);
radeon_emit(V_0287F0_DI_SRC_SEL_AUTO_INDEX | use_opaque);
for (unsigned i = 0; i < 3; i++) {
radeon_emit(PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(EVENT_TYPE(V_028A90_SQ_NON_EVENT) | EVENT_INDEX(0));
}
} else if (increment_draw_id) {
for (unsigned i = 0; i < num_draws; i++) {
if (i > 0) {
unsigned draw_id = drawid_base + i;
radeon_set_sh_reg_seq(sh_base_reg + SI_SGPR_BASE_VERTEX * 4, 2);
radeon_emit(draws[i].start);
radeon_emit(draw_id);
}
radeon_emit(PKT3(PKT3_DRAW_INDEX_AUTO, 1, render_cond_bit));
radeon_emit(draws[i].count);
radeon_emit(V_0287F0_DI_SRC_SEL_AUTO_INDEX | use_opaque);
}
if (num_draws > 1 && (IS_DRAW_VERTEX_STATE || !sctx->num_vs_blit_sgprs)) {
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg); /* BaseVertex */
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg + 1); /* DrawID */
}
} else {
for (unsigned i = 0; i < num_draws; i++) {
if (i > 0)
radeon_set_sh_reg(sh_base_reg + SI_SGPR_BASE_VERTEX * 4, draws[i].start);
radeon_emit(PKT3(PKT3_DRAW_INDEX_AUTO, 1, render_cond_bit));
radeon_emit(draws[i].count);
radeon_emit(V_0287F0_DI_SRC_SEL_AUTO_INDEX | use_opaque);
}
if (num_draws > 1 && (IS_DRAW_VERTEX_STATE || !sctx->num_vs_blit_sgprs)) {
BITSET_CLEAR(sctx->tracked_regs.reg_saved_mask, tracked_base_vertex_reg); /* BaseVertex */
}
}
}
}
radeon_end();
EMIT_SQTT_END_DRAW;
}
/* Return false if not bound. */
template<amd_gfx_level GFX_VERSION>
static void ALWAYS_INLINE si_set_vb_descriptor(struct si_vertex_elements *velems,
const struct pipe_vertex_buffer *vb,
unsigned index, /* vertex element index */
uint32_t *desc) /* where to upload descriptors */
{
struct si_resource *buf = si_resource(vb->buffer.resource);
int64_t offset = (int64_t)((int)vb->buffer_offset) + velems->elem[index].src_offset;
if (!buf || offset >= buf->b.b.width0) {
memset(desc, 0, 16);
return;
}
uint64_t va = buf->gpu_address + offset;
unsigned stride = velems->elem[index].stride;
int64_t num_records = (int64_t)buf->b.b.width0 - offset;
if (GFX_VERSION != GFX8 && stride) {
/* Round up by rounding down and adding 1 */
num_records = (num_records - velems->elem[index].format_size) / stride + 1;
}
assert(num_records >= 0 && num_records <= UINT_MAX);
desc[0] = va;
desc[1] = S_008F04_BASE_ADDRESS_HI(va >> 32) | S_008F04_STRIDE(stride);
desc[2] = num_records;
desc[3] = velems->elem[index].rsrc_word3;
}
#if GFX_VER == 6 /* declare this function only once because it supports all chips. */
void si_set_vertex_buffer_descriptor(struct si_screen *sscreen, struct si_vertex_elements *velems,
const struct pipe_vertex_buffer *vb, unsigned element_index,
uint32_t *out)
{
switch (sscreen->info.gfx_level) {
case GFX6:
si_set_vb_descriptor<GFX6>(velems, vb, element_index, out);
break;
case GFX7:
si_set_vb_descriptor<GFX7>(velems, vb, element_index, out);
break;
case GFX8:
si_set_vb_descriptor<GFX8>(velems, vb, element_index, out);
break;
case GFX9:
si_set_vb_descriptor<GFX9>(velems, vb, element_index, out);
break;
case GFX10:
si_set_vb_descriptor<GFX10>(velems, vb, element_index, out);
break;
case GFX10_3:
si_set_vb_descriptor<GFX10_3>(velems, vb, element_index, out);
break;
case GFX11:
si_set_vb_descriptor<GFX11>(velems, vb, element_index, out);
break;
case GFX11_5:
si_set_vb_descriptor<GFX11_5>(velems, vb, element_index, out);
break;
case GFX12:
si_set_vb_descriptor<GFX12>(velems, vb, element_index, out);
break;
default:
unreachable("unhandled gfx level");
}
}
#endif
template<util_popcnt POPCNT>
static ALWAYS_INLINE unsigned get_next_vertex_state_elem(struct pipe_vertex_state *state,
uint32_t *partial_velem_mask)
{
unsigned semantic_index = u_bit_scan(partial_velem_mask);
assert(state->input.full_velem_mask & BITFIELD_BIT(semantic_index));
/* A prefix mask of the full mask gives us the index in pipe_vertex_state. */
return util_bitcount_fast<POPCNT>(state->input.full_velem_mask & BITFIELD_MASK(semantic_index));
}
template<amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG>
static unsigned get_vb_descriptor_sgpr_ptr_offset(void)
{
/* Find the location of the VB descriptor pointer. */
unsigned dw_offset = SI_VS_NUM_USER_SGPR;
if (GFX_VERSION >= GFX9) {
if (HAS_TESS)
dw_offset = GFX9_TCS_NUM_USER_SGPR;
else if (HAS_GS || NGG)
dw_offset = GFX9_GS_NUM_USER_SGPR;
}
return dw_offset * 4;
}
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG,
si_is_draw_vertex_state IS_DRAW_VERTEX_STATE, si_has_sh_pairs_packed HAS_SH_PAIRS_PACKED,
util_popcnt POPCNT> ALWAYS_INLINE
static bool si_upload_and_prefetch_VB_descriptors(struct si_context *sctx,
struct pipe_vertex_state *state,
uint32_t partial_velem_mask)
{
struct si_vertex_state *vstate = (struct si_vertex_state *)state;
unsigned count = IS_DRAW_VERTEX_STATE ? util_bitcount_fast<POPCNT>(partial_velem_mask) :
sctx->num_vertex_elements;
unsigned sh_base = si_get_user_data_base(GFX_VERSION, HAS_TESS, HAS_GS, NGG,
PIPE_SHADER_VERTEX);
unsigned num_vbos_in_user_sgprs = si_num_vbos_in_user_sgprs_inline(GFX_VERSION);
assert(count <= SI_MAX_ATTRIBS);
if (sctx->vertex_buffers_dirty || IS_DRAW_VERTEX_STATE) {
assert(count || IS_DRAW_VERTEX_STATE);
struct si_vertex_elements *velems = sctx->vertex_elements;
unsigned alloc_size = IS_DRAW_VERTEX_STATE ?
vstate->velems.vb_desc_list_alloc_size :
velems->vb_desc_list_alloc_size;
uint64_t vb_descriptors_address = 0;
uint32_t *ptr;
if (alloc_size) {
unsigned offset;
/* Vertex buffer descriptors are the only ones which are uploaded directly
* and don't go through si_upload_graphics_shader_descriptors.
*/
u_upload_alloc(sctx->b.const_uploader, 0, alloc_size,
si_optimal_tcc_alignment(sctx, alloc_size), &offset,
(struct pipe_resource **)&sctx->last_const_upload_buffer, (void **)&ptr);
if (!sctx->last_const_upload_buffer)
return false;
radeon_add_to_buffer_list(sctx, &sctx->gfx_cs, sctx->last_const_upload_buffer,
RADEON_USAGE_READ | RADEON_PRIO_DESCRIPTORS);
vb_descriptors_address = sctx->last_const_upload_buffer->gpu_address + offset;
/* GFX6 doesn't support the L2 prefetch. */
if (GFX_VERSION >= GFX7) {
uint64_t address = sctx->last_const_upload_buffer->gpu_address + offset;
si_cp_dma_prefetch_inline<GFX_VERSION>(sctx, address, alloc_size);
}
}
unsigned count_in_user_sgprs = MIN2(count, num_vbos_in_user_sgprs);
unsigned i = 0;
if (IS_DRAW_VERTEX_STATE) {
radeon_begin(&sctx->gfx_cs);
if (count_in_user_sgprs) {
radeon_set_sh_reg_seq(sh_base + SI_SGPR_VS_VB_DESCRIPTOR_FIRST * 4, count_in_user_sgprs * 4);
/* the first iteration always executes */
do {
unsigned velem_index = get_next_vertex_state_elem<POPCNT>(state, &partial_velem_mask);
radeon_emit_array(&vstate->descriptors[velem_index * 4], 4);
} while (++i < count_in_user_sgprs);
}
if (partial_velem_mask) {
assert(alloc_size);
unsigned vb_desc_offset =
sh_base + get_vb_descriptor_sgpr_ptr_offset<GFX_VERSION, HAS_TESS, HAS_GS, NGG>();
radeon_set_or_push_gfx_sh_reg(vb_desc_offset, vb_descriptors_address);
/* the first iteration always executes */
do {
unsigned velem_index = get_next_vertex_state_elem<POPCNT>(state, &partial_velem_mask);
uint32_t *desc = &ptr[(i - num_vbos_in_user_sgprs) * 4];
memcpy(desc, &vstate->descriptors[velem_index * 4], 16);
i++;
} while (partial_velem_mask);
}
radeon_end();
if (vstate->b.input.vbuffer.buffer.resource != vstate->b.input.indexbuf) {
radeon_add_to_buffer_list(sctx, &sctx->gfx_cs,
si_resource(vstate->b.input.vbuffer.buffer.resource),
RADEON_USAGE_READ | RADEON_PRIO_VERTEX_BUFFER);
}
/* The next draw_vbo should recompute and rebind vertex buffer descriptors. */
sctx->vertex_buffers_dirty = sctx->num_vertex_elements > 0;
} else {
if (count_in_user_sgprs) {
radeon_begin(&sctx->gfx_cs);
radeon_set_sh_reg_seq(sh_base + SI_SGPR_VS_VB_DESCRIPTOR_FIRST * 4,
count_in_user_sgprs * 4);
/* the first iteration always executes */
do {
unsigned vbo_index = velems->vertex_buffer_index[i];
const struct pipe_vertex_buffer *vb = &sctx->vertex_buffer[vbo_index];
uint32_t *desc;
radeon_emit_array_get_ptr(4, &desc);
si_set_vb_descriptor<GFX_VERSION>(velems, vb, i, desc);
} while (++i < count_in_user_sgprs);
radeon_end();
}
if (alloc_size) {
/* the first iteration always executes */
do {
unsigned vbo_index = velems->vertex_buffer_index[i];
const struct pipe_vertex_buffer *vb = &sctx->vertex_buffer[vbo_index];
uint32_t *desc = &ptr[(i - num_vbos_in_user_sgprs) * 4];
si_set_vb_descriptor<GFX_VERSION>(velems, vb, i, desc);
} while (++i < count);
unsigned vb_desc_ptr_offset =
sh_base + get_vb_descriptor_sgpr_ptr_offset<GFX_VERSION, HAS_TESS, HAS_GS, NGG>();
radeon_begin(&sctx->gfx_cs);
radeon_set_or_push_gfx_sh_reg(vb_desc_ptr_offset, vb_descriptors_address);
radeon_end();
}
sctx->vertex_buffers_dirty = false;
}
}
return true;
}
static void si_get_draw_start_count(struct si_context *sctx, const struct pipe_draw_info *info,
const struct pipe_draw_indirect_info *indirect,
const struct pipe_draw_start_count_bias *draws,
unsigned num_draws, unsigned *start, unsigned *count)
{
if (indirect && !indirect->count_from_stream_output) {
unsigned indirect_count;
struct pipe_transfer *transfer;
unsigned begin, end;
unsigned map_size;
unsigned *data;
if (indirect->indirect_draw_count) {
data = (unsigned*)
pipe_buffer_map_range(&sctx->b, indirect->indirect_draw_count,
indirect->indirect_draw_count_offset, sizeof(unsigned),
PIPE_MAP_READ, &transfer);
indirect_count = *data;
pipe_buffer_unmap(&sctx->b, transfer);
} else {
indirect_count = indirect->draw_count;
}
if (!indirect_count) {
*start = *count = 0;
return;
}
map_size = (indirect_count - 1) * indirect->stride + 3 * sizeof(unsigned);
data = (unsigned*)
pipe_buffer_map_range(&sctx->b, indirect->buffer, indirect->offset, map_size,
PIPE_MAP_READ, &transfer);
begin = UINT_MAX;
end = 0;
for (unsigned i = 0; i < indirect_count; ++i) {
unsigned count = data[0];
unsigned start = data[2];
if (count > 0) {
begin = MIN2(begin, start);
end = MAX2(end, start + count);
}
data += indirect->stride / sizeof(unsigned);
}
pipe_buffer_unmap(&sctx->b, transfer);
if (begin < end) {
*start = begin;
*count = end - begin;
} else {
*start = *count = 0;
}
} else {
unsigned min_element = UINT_MAX;
unsigned max_element = 0;
for (unsigned i = 0; i < num_draws; i++) {
min_element = MIN2(min_element, draws[i].start);
max_element = MAX2(max_element, draws[i].start + draws[i].count);
}
*start = min_element;
*count = max_element - min_element;
}
}
ALWAYS_INLINE
static void si_emit_all_states(struct si_context *sctx, uint64_t skip_atom_mask)
{
/* Emit states by calling their emit functions. */
uint64_t dirty = sctx->dirty_atoms & ~skip_atom_mask;
if (dirty) {
sctx->dirty_atoms &= skip_atom_mask;
/* u_bit_scan64 is too slow on i386. */
if (sizeof(void*) == 8) {
do {
unsigned i = u_bit_scan64(&dirty);
sctx->atoms.array[i].emit(sctx, i);
} while (dirty);
} else {
unsigned dirty_lo = dirty;
unsigned dirty_hi = dirty >> 32;
while (dirty_lo) {
unsigned i = u_bit_scan(&dirty_lo);
sctx->atoms.array[i].emit(sctx, i);
}
while (dirty_hi) {
unsigned i = 32 + u_bit_scan(&dirty_hi);
sctx->atoms.array[i].emit(sctx, i);
}
}
}
}
#define DRAW_CLEANUP do { \
if (index_size && indexbuf != info->index.resource) \
pipe_resource_reference(&indexbuf, NULL); \
} while (0)
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG,
si_is_draw_vertex_state IS_DRAW_VERTEX_STATE, si_has_sh_pairs_packed HAS_SH_PAIRS_PACKED,
util_popcnt POPCNT> ALWAYS_INLINE
static void si_draw(struct pipe_context *ctx,
const struct pipe_draw_info *info,
unsigned drawid_offset,
const struct pipe_draw_indirect_info *indirect,
const struct pipe_draw_start_count_bias *draws,
unsigned num_draws,
struct pipe_vertex_state *state,
uint32_t partial_velem_mask)
{
/* Keep code that uses the least number of local variables as close to the beginning
* of this function as possible to minimize register pressure.
*
* It doesn't matter where we return due to invalid parameters because such cases
* shouldn't occur in practice.
*/
struct si_context *sctx = (struct si_context *)ctx;
si_check_dirty_buffers_textures(sctx);
if (GFX_VERSION < GFX11)
gfx6_decompress_textures(sctx, u_bit_consecutive(0, SI_NUM_GRAPHICS_SHADERS));
else if (GFX_VERSION < GFX12)
gfx11_decompress_textures(sctx, u_bit_consecutive(0, SI_NUM_GRAPHICS_SHADERS));
si_need_gfx_cs_space(sctx, num_draws);
if (u_trace_perfetto_active(&sctx->ds.trace_context))
trace_si_begin_draw(&sctx->trace);
unsigned instance_count = info->instance_count;
/* GFX6-GFX7 treat instance_count==0 as instance_count==1. There is
* no workaround for indirect draws, but we can at least skip
* direct draws.
* 'instance_count == 0' seems to be problematic on Renoir chips (#4866),
* so simplify the condition and drop these draws for all <= GFX9 chips.
*/
if (GFX_VERSION <= GFX9 && unlikely(!IS_DRAW_VERTEX_STATE && !indirect && !instance_count))
return;
struct si_shader_selector *vs = sctx->shader.vs.cso;
struct si_vertex_state *vstate = (struct si_vertex_state *)state;
if (unlikely(!vs ||
(!IS_DRAW_VERTEX_STATE && sctx->num_vertex_elements < vs->info.num_vs_inputs) ||
(IS_DRAW_VERTEX_STATE && vstate->velems.count < vs->info.num_vs_inputs) ||
!sctx->shader.ps.cso || (HAS_TESS != (info->mode == MESA_PRIM_PATCHES)))) {
assert(0);
return;
}
enum mesa_prim prim = HAS_TESS ? MESA_PRIM_PATCHES : (enum mesa_prim)info->mode;
if (GFX_VERSION <= GFX9 && HAS_GS) {
/* Determine whether the GS triangle strip adjacency fix should
* be applied. Rotate every other triangle if triangle strips with
* adjacency are fed to the GS. This doesn't work if primitive
* restart occurs after an odd number of triangles.
*/
bool gs_tri_strip_adj_fix =
!HAS_TESS && prim == MESA_PRIM_TRIANGLE_STRIP_ADJACENCY;
if (gs_tri_strip_adj_fix != sctx->shader.gs.key.ge.mono.u.gs_tri_strip_adj_fix) {
sctx->shader.gs.key.ge.mono.u.gs_tri_strip_adj_fix = gs_tri_strip_adj_fix;
sctx->do_update_shaders = true;
}
}
struct pipe_resource *indexbuf = info->index.resource;
unsigned index_size = info->index_size;
unsigned index_offset = indirect && indirect->buffer ? draws[0].start * index_size : 0;
if (index_size) {
/* Translate or upload, if needed. */
/* 8-bit indices are supported on GFX8. */
if (!IS_DRAW_VERTEX_STATE && GFX_VERSION <= GFX7 && index_size == 1) {
unsigned start, count, start_offset, size;
si_get_draw_start_count(sctx, info, indirect, draws, num_draws, &start, &count);
start_offset = start * 2;
size = count * 2;
/* Don't use u_upload_alloc because we don't need to map the buffer for CPU access. */
indexbuf = pipe_buffer_create(&sctx->screen->b, 0, PIPE_USAGE_IMMUTABLE, start_offset + size);
if (unlikely(!indexbuf))
return;
si_compute_shorten_ubyte_buffer(sctx, indexbuf, info->index.resource,
start_offset, index_offset + start, count,
SI_OP_SKIP_CACHE_INV_BEFORE | SI_OP_SYNC_AFTER);
index_offset = 0;
index_size = 2;
} else if (!IS_DRAW_VERTEX_STATE && info->has_user_indices) {
unsigned start_offset;
assert(!indirect);
assert(num_draws == 1);
start_offset = draws[0].start * index_size;
indexbuf = NULL;
u_upload_data(ctx->stream_uploader, start_offset, draws[0].count * index_size,
sctx->screen->info.tcc_cache_line_size,
(char *)info->index.user + start_offset, &index_offset, &indexbuf);
if (unlikely(!indexbuf))
return;
/* info->start will be added by the drawing code */
index_offset -= start_offset;
} else if ((GFX_VERSION <= GFX7 || GFX_VERSION == GFX12) &&
si_resource(indexbuf)->TC_L2_dirty) {
/* GFX8-GFX11 reads index buffers through TC L2, so it doesn't
* need this. */
sctx->flags |= SI_CONTEXT_WB_L2;
si_mark_atom_dirty(sctx, &sctx->atoms.s.cache_flush);
si_resource(indexbuf)->TC_L2_dirty = false;
}
}
unsigned min_direct_count = 0;
unsigned total_direct_count = 0;
if (!IS_DRAW_VERTEX_STATE && indirect) {
/* Indirect buffers use TC L2 on GFX9-GFX11, but not other hw. */
if (GFX_VERSION <= GFX8 || GFX_VERSION == GFX12) {
if (indirect->buffer && si_resource(indirect->buffer)->TC_L2_dirty) {
sctx->flags |= SI_CONTEXT_WB_L2;
si_mark_atom_dirty(sctx, &sctx->atoms.s.cache_flush);
si_resource(indirect->buffer)->TC_L2_dirty = false;
}
if (indirect->indirect_draw_count &&
si_resource(indirect->indirect_draw_count)->TC_L2_dirty) {
sctx->flags |= SI_CONTEXT_WB_L2;
si_mark_atom_dirty(sctx, &sctx->atoms.s.cache_flush);
si_resource(indirect->indirect_draw_count)->TC_L2_dirty = false;
}
}
total_direct_count = INT_MAX; /* just set something other than 0 to enable shader culling */
} else {
total_direct_count = min_direct_count = draws[0].count;
for (unsigned i = 1; i < num_draws; i++) {
unsigned count = draws[i].count;
total_direct_count += count;
min_direct_count = MIN2(min_direct_count, count);
}
}
/* Set the rasterization primitive type.
*
* This must be done after si_decompress_textures, which can call
* draw_vbo recursively, and before si_update_shaders, which uses
* current_rast_prim for this draw_vbo call.
*/
if (!HAS_GS && !HAS_TESS) {
enum mesa_prim rast_prim;
if (util_rast_prim_is_triangles(prim)) {
rast_prim = MESA_PRIM_TRIANGLES;
} else {
/* Only possibilities, POINTS, LINE*, RECTANGLES */
rast_prim = prim;
}
si_set_rasterized_prim(sctx, rast_prim, si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->current,
NGG);
}
if (IS_DRAW_VERTEX_STATE) {
/* draw_vertex_state doesn't use the current vertex buffers and vertex elements,
* so disable all VS input lowering.
*/
if (!sctx->force_trivial_vs_inputs) {
sctx->force_trivial_vs_inputs = true;
/* Update shaders to disable VS input lowering. */
if (sctx->uses_nontrivial_vs_inputs) {
si_vs_key_update_inputs(sctx);
sctx->do_update_shaders = true;
}
}
} else {
if (sctx->force_trivial_vs_inputs) {
sctx->force_trivial_vs_inputs = false;
/* Update shaders to possibly enable VS input lowering. */
if (sctx->uses_nontrivial_vs_inputs) {
si_vs_key_update_inputs(sctx);
sctx->do_update_shaders = true;
}
}
}
/* Update NGG culling settings. */
uint16_t old_ngg_culling = sctx->ngg_culling;
if (GFX_VERSION >= GFX10) {
struct si_shader_selector *hw_vs = si_get_vs_inline(sctx, HAS_TESS, HAS_GS)->cso;
if (NGG &&
/* Tessellation and GS set ngg_cull_vert_threshold to UINT_MAX if the prim type
* is not points, so this check is only needed for VS. */
(HAS_TESS || HAS_GS || util_rast_prim_is_lines_or_triangles(sctx->current_rast_prim)) &&
/* Only the first draw for a shader starts with culling disabled and it's disabled
* until we pass the total_direct_count check and then it stays enabled until
* the shader is changed. This eliminates most culling on/off state changes. */
(old_ngg_culling || total_direct_count > hw_vs->ngg_cull_vert_threshold)) {
struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
/* Check that the current shader allows culling. */
assert(hw_vs->ngg_cull_vert_threshold != UINT_MAX);
uint16_t ngg_culling;
if (util_prim_is_lines(sctx->current_rast_prim)) {
/* Overwrite it to mask out face cull flags. */
ngg_culling = rs->ngg_cull_flags_lines;
} else {
ngg_culling = sctx->viewport0_y_inverted ? rs->ngg_cull_flags_tris_y_inverted :
rs->ngg_cull_flags_tris;
assert(ngg_culling); /* rasterizer state should always set this to non-zero */
}
if (ngg_culling != old_ngg_culling) {
/* If shader compilation is not ready, this setting will be rejected. */
sctx->ngg_culling = ngg_culling;
sctx->do_update_shaders = true;
}
} else if (old_ngg_culling) {
sctx->ngg_culling = 0;
sctx->do_update_shaders = true;
}
}
if (unlikely(sctx->do_update_shaders)) {
if (unlikely(!(si_update_shaders<GFX_VERSION, HAS_TESS, HAS_GS, NGG>(sctx)))) {
DRAW_CLEANUP;
return;
}
}
/* This is the optimal packet order:
* Set all states first, so that all SET packets are processed in parallel with previous
* draw calls. Then flush caches and wait if needed. Then draw and prefetch at the end.
* It's better to draw before prefetches because we want to start fetching indices before
* shaders. The idea is to minimize the time when the CUs are idle.
*/
/* Vega10/Raven scissor bug workaround. When any context register is
* written (i.e. the GPU rolls the context), PA_SC_VPORT_SCISSOR
* registers must be written too.
*/
bool gfx9_scissor_bug = false;
uint64_t masked_atoms = 0;
if (GFX_VERSION == GFX9 && sctx->screen->info.has_gfx9_scissor_bug) {
masked_atoms |= si_get_atom_bit(sctx, &sctx->atoms.s.scissors);
gfx9_scissor_bug = true;
if ((!IS_DRAW_VERTEX_STATE && indirect && indirect->count_from_stream_output) ||
sctx->dirty_atoms & si_atoms_that_always_roll_context())
sctx->context_roll = true;
}
bool primitive_restart = !IS_DRAW_VERTEX_STATE && info->primitive_restart;
/* Emit states. */
si_emit_rasterizer_prim_state<GFX_VERSION, HAS_GS, NGG>(sctx);
/* This emits states and flushes caches. */
si_emit_all_states(sctx, masked_atoms);
/* This can be done after si_emit_all_states because it doesn't set cache flush flags. */
si_emit_draw_registers<GFX_VERSION, HAS_TESS, HAS_GS, NGG, IS_DRAW_VERTEX_STATE>
(sctx, indirect, prim, index_size, instance_count, primitive_restart,
info->restart_index, min_direct_count);
/* <-- CUs are idle here if the cache_flush state waited. */
/* This must be done after si_emit_all_states, which can affect this. */
si_emit_vs_state<GFX_VERSION, HAS_TESS, HAS_GS, NGG, IS_DRAW_VERTEX_STATE, HAS_SH_PAIRS_PACKED>
(sctx, index_size);
/* This needs to be done after cache flushes because ACQUIRE_MEM rolls the context. */
if (GFX_VERSION == GFX9 && gfx9_scissor_bug &&
(sctx->context_roll || si_is_atom_dirty(sctx, &sctx->atoms.s.scissors))) {
sctx->atoms.s.scissors.emit(sctx, -1);
sctx->dirty_atoms &= ~si_get_atom_bit(sctx, &sctx->atoms.s.scissors);
}
assert(sctx->dirty_atoms == 0);
/* This uploads VBO descriptors, sets user SGPRs, and executes the L2 prefetch.
* It should done after cache flushing.
*/
if (unlikely((!si_upload_and_prefetch_VB_descriptors
<GFX_VERSION, HAS_TESS, HAS_GS, NGG, IS_DRAW_VERTEX_STATE, HAS_SH_PAIRS_PACKED, POPCNT>
(sctx, state, partial_velem_mask)))) {
DRAW_CLEANUP;
return;
}
si_emit_draw_packets<GFX_VERSION, HAS_TESS, HAS_GS, NGG, IS_DRAW_VERTEX_STATE, HAS_SH_PAIRS_PACKED>
(sctx, info, drawid_offset, indirect, draws, num_draws, indexbuf,
index_size, index_offset, instance_count);
/* <-- CUs start to get busy here if we waited. */
/* Start prefetches after the draw has been started. Both will run
* in parallel, but starting the draw first is more important.
*/
si_prefetch_shaders<GFX_VERSION, HAS_TESS, HAS_GS, NGG>(sctx);
/* Clear the context roll flag after the draw call.
* Only used by the gfx9 scissor bug.
*/
if (GFX_VERSION == GFX9)
sctx->context_roll = false;
if (unlikely(sctx->current_saved_cs)) {
si_trace_emit(sctx);
si_log_draw_state(sctx, sctx->log);
}
/* Workaround for a VGT hang when streamout is enabled.
* It must be done after drawing. */
if (((GFX_VERSION == GFX7 && sctx->family == CHIP_HAWAII) ||
(GFX_VERSION == GFX8 && (sctx->family == CHIP_TONGA || sctx->family == CHIP_FIJI))) &&
si_get_strmout_en(sctx)) {
sctx->flags |= SI_CONTEXT_VGT_STREAMOUT_SYNC;
si_mark_atom_dirty(sctx, &sctx->atoms.s.cache_flush);
}
if (unlikely(GFX_VERSION < GFX12 && sctx->decompression_enabled)) {
sctx->num_decompress_calls++;
} else {
sctx->num_draw_calls += num_draws;
}
/* On Gfx12, this is only used to detect whether a depth texture is in the cleared state. */
if (sctx->framebuffer.state.zsbuf) {
struct si_texture *zstex = (struct si_texture *)sctx->framebuffer.state.zsbuf->texture;
zstex->depth_cleared_level_mask &= ~BITFIELD_BIT(sctx->framebuffer.state.zsbuf->u.tex.level);
}
if (u_trace_perfetto_active(&sctx->ds.trace_context)) {
trace_si_end_draw(&sctx->trace, total_direct_count);
}
DRAW_CLEANUP;
}
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG,
si_has_sh_pairs_packed HAS_SH_PAIRS_PACKED>
static void si_draw_vbo(struct pipe_context *ctx,
const struct pipe_draw_info *info,
unsigned drawid_offset,
const struct pipe_draw_indirect_info *indirect,
const struct pipe_draw_start_count_bias *draws,
unsigned num_draws)
{
si_draw<GFX_VERSION, HAS_TESS, HAS_GS, NGG, DRAW_VERTEX_STATE_OFF, HAS_SH_PAIRS_PACKED, POPCNT_NO>
(ctx, info, drawid_offset, indirect, draws, num_draws, NULL, 0);
}
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG,
si_has_sh_pairs_packed HAS_SH_PAIRS_PACKED, util_popcnt POPCNT>
static void si_draw_vertex_state(struct pipe_context *ctx,
struct pipe_vertex_state *vstate,
uint32_t partial_velem_mask,
struct pipe_draw_vertex_state_info info,
const struct pipe_draw_start_count_bias *draws,
unsigned num_draws)
{
struct si_vertex_state *state = (struct si_vertex_state *)vstate;
struct pipe_draw_info dinfo = {};
dinfo.mode = info.mode;
dinfo.index_size = 4;
dinfo.instance_count = 1;
dinfo.index.resource = state->b.input.indexbuf;
si_draw<GFX_VERSION, HAS_TESS, HAS_GS, NGG, DRAW_VERTEX_STATE_ON, HAS_SH_PAIRS_PACKED, POPCNT>
(ctx, &dinfo, 0, NULL, draws, num_draws, vstate, partial_velem_mask);
if (info.take_vertex_state_ownership)
pipe_vertex_state_reference(&vstate, NULL);
}
static void si_draw_rectangle(struct blitter_context *blitter, void *vertex_elements_cso,
blitter_get_vs_func get_vs, int x1, int y1, int x2, int y2,
float depth, unsigned num_instances, enum blitter_attrib_type type,
const union blitter_attrib *attrib)
{
struct pipe_context *pipe = util_blitter_get_pipe(blitter);
struct si_context *sctx = (struct si_context *)pipe;
uint32_t attribute_ring_address_lo =
sctx->gfx_level >= GFX11 ? sctx->screen->attribute_pos_prim_ring->gpu_address : 0;
/* Pack position coordinates as signed int16. */
sctx->vs_blit_sh_data[0] = (uint32_t)(x1 & 0xffff) | ((uint32_t)(y1 & 0xffff) << 16);
sctx->vs_blit_sh_data[1] = (uint32_t)(x2 & 0xffff) | ((uint32_t)(y2 & 0xffff) << 16);
sctx->vs_blit_sh_data[2] = fui(depth);
switch (type) {
case UTIL_BLITTER_ATTRIB_COLOR:
memcpy(&sctx->vs_blit_sh_data[3], attrib->color, sizeof(float) * 4);
sctx->vs_blit_sh_data[7] = attribute_ring_address_lo;
break;
case UTIL_BLITTER_ATTRIB_TEXCOORD_XY:
case UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW:
memcpy(&sctx->vs_blit_sh_data[3], &attrib->texcoord, sizeof(attrib->texcoord));
sctx->vs_blit_sh_data[9] = attribute_ring_address_lo;
break;
case UTIL_BLITTER_ATTRIB_NONE:;
}
pipe->bind_vs_state(pipe, si_get_blitter_vs(sctx, type, num_instances));
struct pipe_draw_info info = {};
struct pipe_draw_start_count_bias draw;
info.mode = SI_PRIM_RECTANGLE_LIST;
info.instance_count = num_instances;
draw.start = 0;
draw.count = 3;
/* Blits don't use vertex buffers. */
sctx->vertex_buffers_dirty = false;
pipe->draw_vbo(pipe, &info, 0, NULL, &draw, 1);
}
template <amd_gfx_level GFX_VERSION, si_has_tess HAS_TESS, si_has_gs HAS_GS, si_has_ngg NGG,
util_popcnt POPCNT>
static void si_init_draw_vbo(struct si_context *sctx)
{
if (NGG && GFX_VERSION < GFX10)
return;
if (!NGG && GFX_VERSION >= GFX11)
return;
if (GFX_VERSION >= GFX11 && GFX_VERSION < GFX12 && sctx->screen->info.has_set_sh_pairs_packed) {
sctx->draw_vbo[HAS_TESS][HAS_GS][NGG] =
si_draw_vbo<GFX_VERSION, HAS_TESS, HAS_GS, NGG, HAS_SH_PAIRS_PACKED_ON>;
sctx->draw_vertex_state[HAS_TESS][HAS_GS][NGG] =
si_draw_vertex_state<GFX_VERSION, HAS_TESS, HAS_GS, NGG, HAS_SH_PAIRS_PACKED_ON, POPCNT>;
} else {
sctx->draw_vbo[HAS_TESS][HAS_GS][NGG] =
si_draw_vbo<GFX_VERSION, HAS_TESS, HAS_GS, NGG, HAS_SH_PAIRS_PACKED_OFF>;
sctx->draw_vertex_state[HAS_TESS][HAS_GS][NGG] =
si_draw_vertex_state<GFX_VERSION, HAS_TESS, HAS_GS, NGG, HAS_SH_PAIRS_PACKED_OFF, POPCNT>;
}
}
template <amd_gfx_level GFX_VERSION>
static void si_init_draw_vbo_all_pipeline_options(struct si_context *sctx)
{
if (util_get_cpu_caps()->has_popcnt) {
si_init_draw_vbo<GFX_VERSION, TESS_OFF, GS_OFF, NGG_OFF, POPCNT_YES>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_OFF, GS_ON, NGG_OFF, POPCNT_YES>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_ON, GS_OFF, NGG_OFF, POPCNT_YES>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_ON, GS_ON, NGG_OFF, POPCNT_YES>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_OFF, GS_OFF, NGG_ON, POPCNT_YES>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_OFF, GS_ON, NGG_ON, POPCNT_YES>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_ON, GS_OFF, NGG_ON, POPCNT_YES>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_ON, GS_ON, NGG_ON, POPCNT_YES>(sctx);
} else {
si_init_draw_vbo<GFX_VERSION, TESS_OFF, GS_OFF, NGG_OFF, POPCNT_NO>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_OFF, GS_ON, NGG_OFF, POPCNT_NO>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_ON, GS_OFF, NGG_OFF, POPCNT_NO>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_ON, GS_ON, NGG_OFF, POPCNT_NO>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_OFF, GS_OFF, NGG_ON, POPCNT_NO>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_OFF, GS_ON, NGG_ON, POPCNT_NO>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_ON, GS_OFF, NGG_ON, POPCNT_NO>(sctx);
si_init_draw_vbo<GFX_VERSION, TESS_ON, GS_ON, NGG_ON, POPCNT_NO>(sctx);
}
}
static void si_invalid_draw_vbo(struct pipe_context *pipe,
const struct pipe_draw_info *info,
unsigned drawid_offset,
const struct pipe_draw_indirect_info *indirect,
const struct pipe_draw_start_count_bias *draws,
unsigned num_draws)
{
unreachable("vertex shader not bound");
}
static void si_invalid_draw_vertex_state(struct pipe_context *ctx,
struct pipe_vertex_state *vstate,
uint32_t partial_velem_mask,
struct pipe_draw_vertex_state_info info,
const struct pipe_draw_start_count_bias *draws,
unsigned num_draws)
{
unreachable("vertex shader not bound");
}
extern "C"
void GFX(si_init_draw_functions_)(struct si_context *sctx)
{
assert(sctx->gfx_level == GFX());
si_init_draw_vbo_all_pipeline_options<GFX()>(sctx);
/* Bind a fake draw_vbo, so that draw_vbo isn't NULL, which would skip
* initialization of callbacks in upper layers (such as u_threaded_context).
*/
sctx->b.draw_vbo = si_invalid_draw_vbo;
sctx->b.draw_vertex_state = si_invalid_draw_vertex_state;
sctx->blitter->draw_rectangle = si_draw_rectangle;
si_init_ia_multi_vgt_param_table(sctx);
}
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