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radv: precompute vertex shader register values

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To make emission faster.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29022>
This commit is contained in:
Samuel Pitoiset
2024-05-02 12:33:47 +02:00
committed by Marge Bot
parent 4b53d36f0d
commit c658ed5136
3 changed files with 100 additions and 59 deletions
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79
src/amd/vulkan/radv_shader.c
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@@ -1461,6 +1461,71 @@ radv_open_rtld_binary(struct radv_device *device, const struct radv_shader_binar
}
#endif
static void
radv_precompute_registers_hw_vs(struct radv_device *device, struct radv_shader_binary *binary)
{
const struct radv_physical_device *pdev = radv_device_physical(device);
struct radv_shader_info *info = &binary->info;
/* VS is required to export at least one param. */
const uint32_t nparams = MAX2(info->outinfo.param_exports, 1);
info->regs.vs.spi_vs_out_config = S_0286C4_VS_EXPORT_COUNT(nparams - 1);
if (pdev->info.gfx_level >= GFX10) {
info->regs.vs.spi_vs_out_config |= S_0286C4_NO_PC_EXPORT(info->outinfo.param_exports == 0);
}
info->regs.vs.spi_shader_pos_format =
S_02870C_POS0_EXPORT_FORMAT(V_02870C_SPI_SHADER_4COMP) |
S_02870C_POS1_EXPORT_FORMAT(info->outinfo.pos_exports > 1 ? V_02870C_SPI_SHADER_4COMP
: V_02870C_SPI_SHADER_NONE) |
S_02870C_POS2_EXPORT_FORMAT(info->outinfo.pos_exports > 2 ? V_02870C_SPI_SHADER_4COMP
: V_02870C_SPI_SHADER_NONE) |
S_02870C_POS3_EXPORT_FORMAT(info->outinfo.pos_exports > 3 ? V_02870C_SPI_SHADER_4COMP : V_02870C_SPI_SHADER_NONE);
const bool misc_vec_ena = info->outinfo.writes_pointsize || info->outinfo.writes_layer ||
info->outinfo.writes_viewport_index || info->outinfo.writes_primitive_shading_rate;
const unsigned clip_dist_mask = info->outinfo.clip_dist_mask;
const unsigned cull_dist_mask = info->outinfo.cull_dist_mask;
const unsigned total_mask = clip_dist_mask | cull_dist_mask;
info->regs.vs.pa_cl_vs_out_cntl =
S_02881C_USE_VTX_POINT_SIZE(info->outinfo.writes_pointsize) |
S_02881C_USE_VTX_RENDER_TARGET_INDX(info->outinfo.writes_layer) |
S_02881C_USE_VTX_VIEWPORT_INDX(info->outinfo.writes_viewport_index) |
S_02881C_USE_VTX_VRS_RATE(info->outinfo.writes_primitive_shading_rate) |
S_02881C_VS_OUT_MISC_VEC_ENA(misc_vec_ena) |
S_02881C_VS_OUT_MISC_SIDE_BUS_ENA(misc_vec_ena ||
(pdev->info.gfx_level >= GFX10_3 && info->outinfo.pos_exports > 1)) |
S_02881C_VS_OUT_CCDIST0_VEC_ENA((total_mask & 0x0f) != 0) |
S_02881C_VS_OUT_CCDIST1_VEC_ENA((total_mask & 0xf0) != 0) | total_mask << 8 | clip_dist_mask;
if (pdev->info.gfx_level <= GFX8)
info->regs.vs.vgt_reuse_off = info->outinfo.writes_viewport_index;
unsigned late_alloc_wave64, cu_mask;
ac_compute_late_alloc(&pdev->info, false, false, binary->config.scratch_bytes_per_wave > 0, &late_alloc_wave64,
&cu_mask);
if (pdev->info.gfx_level >= GFX7) {
info->regs.vs.spi_shader_pgm_rsrc3_vs =
ac_apply_cu_en(S_00B118_CU_EN(cu_mask) | S_00B118_WAVE_LIMIT(0x3F), C_00B118_CU_EN, 0, &pdev->info);
info->regs.vs.spi_shader_late_alloc_vs = S_00B11C_LIMIT(late_alloc_wave64);
if (pdev->info.gfx_level >= GFX10) {
const uint32_t oversub_pc_lines = late_alloc_wave64 ? pdev->info.pc_lines / 4 : 0;
info->regs.vs.ge_pc_alloc =
S_030980_OVERSUB_EN(oversub_pc_lines > 0) | S_030980_NUM_PC_LINES(oversub_pc_lines - 1);
/* Required programming for tessellation (legacy pipeline only). */
if (binary->info.stage == MESA_SHADER_TESS_EVAL) {
info->regs.vgt_gs_onchip_cntl = S_028A44_ES_VERTS_PER_SUBGRP(250) | S_028A44_GS_PRIMS_PER_SUBGRP(126) |
S_028A44_GS_INST_PRIMS_IN_SUBGRP(126);
}
}
}
}
static void
radv_precompute_registers_hw_gs(struct radv_device *device, struct radv_shader_binary *binary)
{
@@ -1472,9 +1537,9 @@ radv_precompute_registers_hw_gs(struct radv_device *device, struct radv_shader_b
info->regs.gs.vgt_gs_max_prims_per_subgroup =
S_028A94_MAX_PRIMS_PER_SUBGROUP(info->gs_ring_info.gs_inst_prims_in_subgroup);
info->regs.gs.vgt_gs_onchip_cntl = S_028A44_ES_VERTS_PER_SUBGRP(info->gs_ring_info.es_verts_per_subgroup) |
S_028A44_GS_PRIMS_PER_SUBGRP(info->gs_ring_info.gs_prims_per_subgroup) |
S_028A44_GS_INST_PRIMS_IN_SUBGRP(info->gs_ring_info.gs_inst_prims_in_subgroup);
info->regs.vgt_gs_onchip_cntl = S_028A44_ES_VERTS_PER_SUBGRP(info->gs_ring_info.es_verts_per_subgroup) |
S_028A44_GS_PRIMS_PER_SUBGRP(info->gs_ring_info.gs_prims_per_subgroup) |
S_028A44_GS_INST_PRIMS_IN_SUBGRP(info->gs_ring_info.gs_inst_prims_in_subgroup);
const uint32_t gs_max_out_vertices = info->gs.vertices_out;
const uint8_t max_stream = info->gs.max_stream;
@@ -1566,6 +1631,14 @@ radv_precompute_registers(struct radv_device *device, struct radv_shader_binary
struct radv_shader_info *info = &binary->info;
switch (info->stage) {
case MESA_SHADER_VERTEX:
if (!info->vs.as_ls && !info->vs.as_es && !info->is_ngg)
radv_precompute_registers_hw_vs(device, binary);
break;
case MESA_SHADER_TESS_EVAL:
if (!info->is_ngg && !info->tes.as_es)
radv_precompute_registers_hw_vs(device, binary);
break;
case MESA_SHADER_GEOMETRY:
if (!info->is_ngg)
radv_precompute_registers_hw_gs(device, binary);