| /* |
| * Copyright 2012 Advanced Micro Devices, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, and/or sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #include "ac_exp_param.h" |
| #include "ac_shader_util.h" |
| #include "compiler/nir/nir_serialize.h" |
| #include "nir/tgsi_to_nir.h" |
| #include "si_build_pm4.h" |
| #include "sid.h" |
| #include "util/crc32.h" |
| #include "util/disk_cache.h" |
| #include "util/hash_table.h" |
| #include "util/mesa-sha1.h" |
| #include "util/u_async_debug.h" |
| #include "util/u_memory.h" |
| #include "util/u_prim.h" |
| #include "tgsi/tgsi_from_mesa.h" |
| |
| /* SHADER_CACHE */ |
| |
| /** |
| * Return the IR key for the shader cache. |
| */ |
| void si_get_ir_cache_key(struct si_shader_selector *sel, bool ngg, bool es, |
| unsigned char ir_sha1_cache_key[20]) |
| { |
| struct blob blob = {}; |
| unsigned ir_size; |
| void *ir_binary; |
| |
| if (sel->nir_binary) { |
| ir_binary = sel->nir_binary; |
| ir_size = sel->nir_size; |
| } else { |
| assert(sel->nir); |
| |
| blob_init(&blob); |
| nir_serialize(&blob, sel->nir, true); |
| ir_binary = blob.data; |
| ir_size = blob.size; |
| } |
| |
| /* These settings affect the compilation, but they are not derived |
| * from the input shader IR. |
| */ |
| unsigned shader_variant_flags = 0; |
| |
| if (ngg) |
| shader_variant_flags |= 1 << 0; |
| if (sel->nir) |
| shader_variant_flags |= 1 << 1; |
| if (si_get_wave_size(sel->screen, sel->info.stage, ngg, es, false, false) == 32) |
| shader_variant_flags |= 1 << 2; |
| if (sel->info.stage == MESA_SHADER_FRAGMENT && |
| /* Derivatives imply helper invocations so check for needs_helper_invocations. */ |
| sel->info.base.fs.needs_helper_invocations && |
| sel->info.base.fs.uses_discard && |
| sel->screen->debug_flags & DBG(FS_CORRECT_DERIVS_AFTER_KILL)) |
| shader_variant_flags |= 1 << 3; |
| |
| /* This varies depending on whether compute-based culling is enabled. */ |
| assert(sel->screen->num_vbos_in_user_sgprs <= 7); |
| shader_variant_flags |= MIN2(sel->screen->num_vbos_in_user_sgprs, 7) << 4; |
| |
| if (sel->screen->options.no_infinite_interp) |
| shader_variant_flags |= 1 << 7; |
| if (sel->screen->options.clamp_div_by_zero) |
| shader_variant_flags |= 1 << 8; |
| if (sel->screen->debug_flags & DBG(GISEL)) |
| shader_variant_flags |= 1 << 9; |
| |
| struct mesa_sha1 ctx; |
| _mesa_sha1_init(&ctx); |
| _mesa_sha1_update(&ctx, &shader_variant_flags, 4); |
| _mesa_sha1_update(&ctx, ir_binary, ir_size); |
| if (sel->info.stage == MESA_SHADER_VERTEX || sel->info.stage == MESA_SHADER_TESS_EVAL || |
| sel->info.stage == MESA_SHADER_GEOMETRY) |
| _mesa_sha1_update(&ctx, &sel->so, sizeof(sel->so)); |
| _mesa_sha1_final(&ctx, ir_sha1_cache_key); |
| |
| if (ir_binary == blob.data) |
| blob_finish(&blob); |
| } |
| |
| /** Copy "data" to "ptr" and return the next dword following copied data. */ |
| static uint32_t *write_data(uint32_t *ptr, const void *data, unsigned size) |
| { |
| /* data may be NULL if size == 0 */ |
| if (size) |
| memcpy(ptr, data, size); |
| ptr += DIV_ROUND_UP(size, 4); |
| return ptr; |
| } |
| |
| /** Read data from "ptr". Return the next dword following the data. */ |
| static uint32_t *read_data(uint32_t *ptr, void *data, unsigned size) |
| { |
| memcpy(data, ptr, size); |
| ptr += DIV_ROUND_UP(size, 4); |
| return ptr; |
| } |
| |
| /** |
| * Write the size as uint followed by the data. Return the next dword |
| * following the copied data. |
| */ |
| static uint32_t *write_chunk(uint32_t *ptr, const void *data, unsigned size) |
| { |
| *ptr++ = size; |
| return write_data(ptr, data, size); |
| } |
| |
| /** |
| * Read the size as uint followed by the data. Return both via parameters. |
| * Return the next dword following the data. |
| */ |
| static uint32_t *read_chunk(uint32_t *ptr, void **data, unsigned *size) |
| { |
| *size = *ptr++; |
| assert(*data == NULL); |
| if (!*size) |
| return ptr; |
| *data = malloc(*size); |
| return read_data(ptr, *data, *size); |
| } |
| |
| /** |
| * Return the shader binary in a buffer. The first 4 bytes contain its size |
| * as integer. |
| */ |
| static void *si_get_shader_binary(struct si_shader *shader) |
| { |
| /* There is always a size of data followed by the data itself. */ |
| unsigned llvm_ir_size = |
| shader->binary.llvm_ir_string ? strlen(shader->binary.llvm_ir_string) + 1 : 0; |
| |
| /* Refuse to allocate overly large buffers and guard against integer |
| * overflow. */ |
| if (shader->binary.elf_size > UINT_MAX / 4 || llvm_ir_size > UINT_MAX / 4) |
| return NULL; |
| |
| unsigned size = 4 + /* total size */ |
| 4 + /* CRC32 of the data below */ |
| align(sizeof(shader->config), 4) + align(sizeof(shader->info), 4) + 4 + |
| align(shader->binary.elf_size, 4) + 4 + align(llvm_ir_size, 4); |
| void *buffer = CALLOC(1, size); |
| uint32_t *ptr = (uint32_t *)buffer; |
| |
| if (!buffer) |
| return NULL; |
| |
| *ptr++ = size; |
| ptr++; /* CRC32 is calculated at the end. */ |
| |
| ptr = write_data(ptr, &shader->config, sizeof(shader->config)); |
| ptr = write_data(ptr, &shader->info, sizeof(shader->info)); |
| ptr = write_chunk(ptr, shader->binary.elf_buffer, shader->binary.elf_size); |
| ptr = write_chunk(ptr, shader->binary.llvm_ir_string, llvm_ir_size); |
| assert((char *)ptr - (char *)buffer == size); |
| |
| /* Compute CRC32. */ |
| ptr = (uint32_t *)buffer; |
| ptr++; |
| *ptr = util_hash_crc32(ptr + 1, size - 8); |
| |
| return buffer; |
| } |
| |
| static bool si_load_shader_binary(struct si_shader *shader, void *binary) |
| { |
| uint32_t *ptr = (uint32_t *)binary; |
| uint32_t size = *ptr++; |
| uint32_t crc32 = *ptr++; |
| unsigned chunk_size; |
| unsigned elf_size; |
| |
| if (util_hash_crc32(ptr, size - 8) != crc32) { |
| fprintf(stderr, "radeonsi: binary shader has invalid CRC32\n"); |
| return false; |
| } |
| |
| ptr = read_data(ptr, &shader->config, sizeof(shader->config)); |
| ptr = read_data(ptr, &shader->info, sizeof(shader->info)); |
| ptr = read_chunk(ptr, (void **)&shader->binary.elf_buffer, &elf_size); |
| shader->binary.elf_size = elf_size; |
| ptr = read_chunk(ptr, (void **)&shader->binary.llvm_ir_string, &chunk_size); |
| |
| return true; |
| } |
| |
| /** |
| * Insert a shader into the cache. It's assumed the shader is not in the cache. |
| * Use si_shader_cache_load_shader before calling this. |
| */ |
| void si_shader_cache_insert_shader(struct si_screen *sscreen, unsigned char ir_sha1_cache_key[20], |
| struct si_shader *shader, bool insert_into_disk_cache) |
| { |
| void *hw_binary; |
| struct hash_entry *entry; |
| uint8_t key[CACHE_KEY_SIZE]; |
| |
| entry = _mesa_hash_table_search(sscreen->shader_cache, ir_sha1_cache_key); |
| if (entry) |
| return; /* already added */ |
| |
| hw_binary = si_get_shader_binary(shader); |
| if (!hw_binary) |
| return; |
| |
| if (_mesa_hash_table_insert(sscreen->shader_cache, mem_dup(ir_sha1_cache_key, 20), hw_binary) == |
| NULL) { |
| FREE(hw_binary); |
| return; |
| } |
| |
| if (sscreen->disk_shader_cache && insert_into_disk_cache) { |
| disk_cache_compute_key(sscreen->disk_shader_cache, ir_sha1_cache_key, 20, key); |
| disk_cache_put(sscreen->disk_shader_cache, key, hw_binary, *((uint32_t *)hw_binary), NULL); |
| } |
| } |
| |
| bool si_shader_cache_load_shader(struct si_screen *sscreen, unsigned char ir_sha1_cache_key[20], |
| struct si_shader *shader) |
| { |
| struct hash_entry *entry = _mesa_hash_table_search(sscreen->shader_cache, ir_sha1_cache_key); |
| |
| if (entry) { |
| if (si_load_shader_binary(shader, entry->data)) { |
| p_atomic_inc(&sscreen->num_memory_shader_cache_hits); |
| return true; |
| } |
| } |
| p_atomic_inc(&sscreen->num_memory_shader_cache_misses); |
| |
| if (!sscreen->disk_shader_cache) |
| return false; |
| |
| unsigned char sha1[CACHE_KEY_SIZE]; |
| disk_cache_compute_key(sscreen->disk_shader_cache, ir_sha1_cache_key, 20, sha1); |
| |
| size_t binary_size; |
| uint8_t *buffer = disk_cache_get(sscreen->disk_shader_cache, sha1, &binary_size); |
| if (buffer) { |
| if (binary_size >= sizeof(uint32_t) && *((uint32_t *)buffer) == binary_size) { |
| if (si_load_shader_binary(shader, buffer)) { |
| free(buffer); |
| si_shader_cache_insert_shader(sscreen, ir_sha1_cache_key, shader, false); |
| p_atomic_inc(&sscreen->num_disk_shader_cache_hits); |
| return true; |
| } |
| } else { |
| /* Something has gone wrong discard the item from the cache and |
| * rebuild/link from source. |
| */ |
| assert(!"Invalid radeonsi shader disk cache item!"); |
| disk_cache_remove(sscreen->disk_shader_cache, sha1); |
| } |
| } |
| |
| free(buffer); |
| p_atomic_inc(&sscreen->num_disk_shader_cache_misses); |
| return false; |
| } |
| |
| static uint32_t si_shader_cache_key_hash(const void *key) |
| { |
| /* Take the first dword of SHA1. */ |
| return *(uint32_t *)key; |
| } |
| |
| static bool si_shader_cache_key_equals(const void *a, const void *b) |
| { |
| /* Compare SHA1s. */ |
| return memcmp(a, b, 20) == 0; |
| } |
| |
| static void si_destroy_shader_cache_entry(struct hash_entry *entry) |
| { |
| FREE((void *)entry->key); |
| FREE(entry->data); |
| } |
| |
| bool si_init_shader_cache(struct si_screen *sscreen) |
| { |
| (void)simple_mtx_init(&sscreen->shader_cache_mutex, mtx_plain); |
| sscreen->shader_cache = |
| _mesa_hash_table_create(NULL, si_shader_cache_key_hash, si_shader_cache_key_equals); |
| |
| return sscreen->shader_cache != NULL; |
| } |
| |
| void si_destroy_shader_cache(struct si_screen *sscreen) |
| { |
| if (sscreen->shader_cache) |
| _mesa_hash_table_destroy(sscreen->shader_cache, si_destroy_shader_cache_entry); |
| simple_mtx_destroy(&sscreen->shader_cache_mutex); |
| } |
| |
| /* SHADER STATES */ |
| |
| static void si_set_tesseval_regs(struct si_screen *sscreen, const struct si_shader_selector *tes, |
| struct si_pm4_state *pm4) |
| { |
| const struct si_shader_info *info = &tes->info; |
| unsigned tes_prim_mode = info->base.tess.primitive_mode; |
| unsigned tes_spacing = info->base.tess.spacing; |
| bool tes_vertex_order_cw = !info->base.tess.ccw; |
| bool tes_point_mode = info->base.tess.point_mode; |
| unsigned type, partitioning, topology, distribution_mode; |
| |
| switch (tes_prim_mode) { |
| case GL_LINES: |
| type = V_028B6C_TESS_ISOLINE; |
| break; |
| case GL_TRIANGLES: |
| type = V_028B6C_TESS_TRIANGLE; |
| break; |
| case GL_QUADS: |
| type = V_028B6C_TESS_QUAD; |
| break; |
| default: |
| assert(0); |
| return; |
| } |
| |
| switch (tes_spacing) { |
| case TESS_SPACING_FRACTIONAL_ODD: |
| partitioning = V_028B6C_PART_FRAC_ODD; |
| break; |
| case TESS_SPACING_FRACTIONAL_EVEN: |
| partitioning = V_028B6C_PART_FRAC_EVEN; |
| break; |
| case TESS_SPACING_EQUAL: |
| partitioning = V_028B6C_PART_INTEGER; |
| break; |
| default: |
| assert(0); |
| return; |
| } |
| |
| if (tes_point_mode) |
| topology = V_028B6C_OUTPUT_POINT; |
| else if (tes_prim_mode == GL_LINES) |
| topology = V_028B6C_OUTPUT_LINE; |
| else if (tes_vertex_order_cw) |
| /* for some reason, this must be the other way around */ |
| topology = V_028B6C_OUTPUT_TRIANGLE_CCW; |
| else |
| topology = V_028B6C_OUTPUT_TRIANGLE_CW; |
| |
| if (sscreen->info.has_distributed_tess) { |
| if (sscreen->info.family == CHIP_FIJI || sscreen->info.family >= CHIP_POLARIS10) |
| distribution_mode = V_028B6C_TRAPEZOIDS; |
| else |
| distribution_mode = V_028B6C_DONUTS; |
| } else |
| distribution_mode = V_028B6C_NO_DIST; |
| |
| assert(pm4->shader); |
| pm4->shader->vgt_tf_param = S_028B6C_TYPE(type) | S_028B6C_PARTITIONING(partitioning) | |
| S_028B6C_TOPOLOGY(topology) | |
| S_028B6C_DISTRIBUTION_MODE(distribution_mode); |
| } |
| |
| /* Polaris needs different VTX_REUSE_DEPTH settings depending on |
| * whether the "fractional odd" tessellation spacing is used. |
| * |
| * Possible VGT configurations and which state should set the register: |
| * |
| * Reg set in | VGT shader configuration | Value |
| * ------------------------------------------------------ |
| * VS as VS | VS | 30 |
| * VS as ES | ES -> GS -> VS | 30 |
| * TES as VS | LS -> HS -> VS | 14 or 30 |
| * TES as ES | LS -> HS -> ES -> GS -> VS | 14 or 30 |
| * |
| * If "shader" is NULL, it's assumed it's not LS or GS copy shader. |
| */ |
| static void polaris_set_vgt_vertex_reuse(struct si_screen *sscreen, struct si_shader_selector *sel, |
| struct si_shader *shader, struct si_pm4_state *pm4) |
| { |
| if (sscreen->info.family < CHIP_POLARIS10 || sscreen->info.chip_class >= GFX10) |
| return; |
| |
| /* VS as VS, or VS as ES: */ |
| if ((sel->info.stage == MESA_SHADER_VERTEX && |
| (!shader || (!shader->key.as_ls && !shader->is_gs_copy_shader))) || |
| /* TES as VS, or TES as ES: */ |
| sel->info.stage == MESA_SHADER_TESS_EVAL) { |
| unsigned vtx_reuse_depth = 30; |
| |
| if (sel->info.stage == MESA_SHADER_TESS_EVAL && |
| sel->info.base.tess.spacing == TESS_SPACING_FRACTIONAL_ODD) |
| vtx_reuse_depth = 14; |
| |
| assert(pm4->shader); |
| pm4->shader->vgt_vertex_reuse_block_cntl = vtx_reuse_depth; |
| } |
| } |
| |
| static struct si_pm4_state *si_get_shader_pm4_state(struct si_shader *shader) |
| { |
| if (shader->pm4) |
| si_pm4_clear_state(shader->pm4); |
| else |
| shader->pm4 = CALLOC_STRUCT(si_pm4_state); |
| |
| if (shader->pm4) { |
| shader->pm4->shader = shader; |
| return shader->pm4; |
| } else { |
| fprintf(stderr, "radeonsi: Failed to create pm4 state.\n"); |
| return NULL; |
| } |
| } |
| |
| static unsigned si_get_num_vs_user_sgprs(struct si_shader *shader, |
| unsigned num_always_on_user_sgprs) |
| { |
| struct si_shader_selector *vs = |
| shader->previous_stage_sel ? shader->previous_stage_sel : shader->selector; |
| unsigned num_vbos_in_user_sgprs = vs->num_vbos_in_user_sgprs; |
| |
| /* 1 SGPR is reserved for the vertex buffer pointer. */ |
| assert(num_always_on_user_sgprs <= SI_SGPR_VS_VB_DESCRIPTOR_FIRST - 1); |
| |
| if (num_vbos_in_user_sgprs) |
| return SI_SGPR_VS_VB_DESCRIPTOR_FIRST + num_vbos_in_user_sgprs * 4; |
| |
| /* Add the pointer to VBO descriptors. */ |
| return num_always_on_user_sgprs + 1; |
| } |
| |
| /* Return VGPR_COMP_CNT for the API vertex shader. This can be hw LS, LSHS, ES, ESGS, VS. */ |
| static unsigned si_get_vs_vgpr_comp_cnt(struct si_screen *sscreen, struct si_shader *shader, |
| bool legacy_vs_prim_id) |
| { |
| assert(shader->selector->info.stage == MESA_SHADER_VERTEX || |
| (shader->previous_stage_sel && shader->previous_stage_sel->info.stage == MESA_SHADER_VERTEX)); |
| |
| /* GFX6-9 LS (VertexID, RelAutoindex, InstanceID / StepRate0(==1), ...). |
| * GFX6-9 ES,VS (VertexID, InstanceID / StepRate0(==1), VSPrimID, ...) |
| * GFX10 LS (VertexID, RelAutoindex, UserVGPR1, InstanceID). |
| * GFX10 ES,VS (VertexID, UserVGPR0, UserVGPR1 or VSPrimID, UserVGPR2 or |
| * InstanceID) |
| */ |
| bool is_ls = shader->selector->info.stage == MESA_SHADER_TESS_CTRL || shader->key.as_ls; |
| |
| if (sscreen->info.chip_class >= GFX10 && shader->info.uses_instanceid) |
| return 3; |
| else if ((is_ls && shader->info.uses_instanceid) || legacy_vs_prim_id) |
| return 2; |
| else if (is_ls || shader->info.uses_instanceid) |
| return 1; |
| else |
| return 0; |
| } |
| |
| static void si_shader_ls(struct si_screen *sscreen, struct si_shader *shader) |
| { |
| struct si_pm4_state *pm4; |
| uint64_t va; |
| |
| assert(sscreen->info.chip_class <= GFX8); |
| |
| pm4 = si_get_shader_pm4_state(shader); |
| if (!pm4) |
| return; |
| |
| va = shader->bo->gpu_address; |
| si_pm4_set_reg(pm4, R_00B520_SPI_SHADER_PGM_LO_LS, va >> 8); |
| si_pm4_set_reg(pm4, R_00B524_SPI_SHADER_PGM_HI_LS, S_00B524_MEM_BASE(va >> 40)); |
| |
| shader->config.rsrc1 = S_00B528_VGPRS((shader->config.num_vgprs - 1) / 4) | |
| S_00B528_SGPRS((shader->config.num_sgprs - 1) / 8) | |
| S_00B528_VGPR_COMP_CNT(si_get_vs_vgpr_comp_cnt(sscreen, shader, false)) | |
| S_00B528_DX10_CLAMP(1) | S_00B528_FLOAT_MODE(shader->config.float_mode); |
| shader->config.rsrc2 = |
| S_00B52C_USER_SGPR(si_get_num_vs_user_sgprs(shader, SI_VS_NUM_USER_SGPR)) | |
| S_00B52C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0); |
| } |
| |
| static void si_shader_hs(struct si_screen *sscreen, struct si_shader *shader) |
| { |
| struct si_pm4_state *pm4; |
| uint64_t va; |
| |
| pm4 = si_get_shader_pm4_state(shader); |
| if (!pm4) |
| return; |
| |
| va = shader->bo->gpu_address; |
| |
| if (sscreen->info.chip_class >= GFX9) { |
| if (sscreen->info.chip_class >= GFX10) { |
| si_pm4_set_reg(pm4, R_00B520_SPI_SHADER_PGM_LO_LS, va >> 8); |
| si_pm4_set_reg(pm4, R_00B524_SPI_SHADER_PGM_HI_LS, S_00B524_MEM_BASE(va >> 40)); |
| } else { |
| si_pm4_set_reg(pm4, R_00B410_SPI_SHADER_PGM_LO_LS, va >> 8); |
| si_pm4_set_reg(pm4, R_00B414_SPI_SHADER_PGM_HI_LS, S_00B414_MEM_BASE(va >> 40)); |
| } |
| |
| unsigned num_user_sgprs = si_get_num_vs_user_sgprs(shader, GFX9_TCS_NUM_USER_SGPR); |
| |
| shader->config.rsrc2 = S_00B42C_USER_SGPR(num_user_sgprs) | |
| S_00B42C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0); |
| |
| if (sscreen->info.chip_class >= GFX10) |
| shader->config.rsrc2 |= S_00B42C_USER_SGPR_MSB_GFX10(num_user_sgprs >> 5); |
| else |
| shader->config.rsrc2 |= S_00B42C_USER_SGPR_MSB_GFX9(num_user_sgprs >> 5); |
| } else { |
| si_pm4_set_reg(pm4, R_00B420_SPI_SHADER_PGM_LO_HS, va >> 8); |
| si_pm4_set_reg(pm4, R_00B424_SPI_SHADER_PGM_HI_HS, S_00B424_MEM_BASE(va >> 40)); |
| |
| shader->config.rsrc2 = S_00B42C_USER_SGPR(GFX6_TCS_NUM_USER_SGPR) | S_00B42C_OC_LDS_EN(1) | |
| S_00B42C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0); |
| } |
| |
| si_pm4_set_reg( |
| pm4, R_00B428_SPI_SHADER_PGM_RSRC1_HS, |
| S_00B428_VGPRS((shader->config.num_vgprs - 1) / (sscreen->ge_wave_size == 32 ? 8 : 4)) | |
| (sscreen->info.chip_class <= GFX9 ? S_00B428_SGPRS((shader->config.num_sgprs - 1) / 8) |
| : 0) | |
| S_00B428_DX10_CLAMP(1) | S_00B428_MEM_ORDERED(sscreen->info.chip_class >= GFX10) | |
| S_00B428_WGP_MODE(sscreen->info.chip_class >= GFX10) | |
| S_00B428_FLOAT_MODE(shader->config.float_mode) | |
| S_00B428_LS_VGPR_COMP_CNT(sscreen->info.chip_class >= GFX9 |
| ? si_get_vs_vgpr_comp_cnt(sscreen, shader, false) |
| : 0)); |
| |
| if (sscreen->info.chip_class <= GFX8) { |
| si_pm4_set_reg(pm4, R_00B42C_SPI_SHADER_PGM_RSRC2_HS, shader->config.rsrc2); |
| } |
| } |
| |
| static void si_emit_shader_es(struct si_context *sctx) |
| { |
| struct si_shader *shader = sctx->queued.named.es->shader; |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| |
| if (!shader) |
| return; |
| |
| radeon_opt_set_context_reg(sctx, R_028AAC_VGT_ESGS_RING_ITEMSIZE, |
| SI_TRACKED_VGT_ESGS_RING_ITEMSIZE, |
| shader->selector->esgs_itemsize / 4); |
| |
| if (shader->selector->info.stage == MESA_SHADER_TESS_EVAL) |
| radeon_opt_set_context_reg(sctx, R_028B6C_VGT_TF_PARAM, SI_TRACKED_VGT_TF_PARAM, |
| shader->vgt_tf_param); |
| |
| if (shader->vgt_vertex_reuse_block_cntl) |
| radeon_opt_set_context_reg(sctx, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, |
| SI_TRACKED_VGT_VERTEX_REUSE_BLOCK_CNTL, |
| shader->vgt_vertex_reuse_block_cntl); |
| |
| if (initial_cdw != sctx->gfx_cs->current.cdw) |
| sctx->context_roll = true; |
| } |
| |
| static void si_shader_es(struct si_screen *sscreen, struct si_shader *shader) |
| { |
| struct si_pm4_state *pm4; |
| unsigned num_user_sgprs; |
| unsigned vgpr_comp_cnt; |
| uint64_t va; |
| unsigned oc_lds_en; |
| |
| assert(sscreen->info.chip_class <= GFX8); |
| |
| pm4 = si_get_shader_pm4_state(shader); |
| if (!pm4) |
| return; |
| |
| pm4->atom.emit = si_emit_shader_es; |
| va = shader->bo->gpu_address; |
| |
| if (shader->selector->info.stage == MESA_SHADER_VERTEX) { |
| vgpr_comp_cnt = si_get_vs_vgpr_comp_cnt(sscreen, shader, false); |
| num_user_sgprs = si_get_num_vs_user_sgprs(shader, SI_VS_NUM_USER_SGPR); |
| } else if (shader->selector->info.stage == MESA_SHADER_TESS_EVAL) { |
| vgpr_comp_cnt = shader->selector->info.uses_primid ? 3 : 2; |
| num_user_sgprs = SI_TES_NUM_USER_SGPR; |
| } else |
| unreachable("invalid shader selector type"); |
| |
| oc_lds_en = shader->selector->info.stage == MESA_SHADER_TESS_EVAL ? 1 : 0; |
| |
| si_pm4_set_reg(pm4, R_00B320_SPI_SHADER_PGM_LO_ES, va >> 8); |
| si_pm4_set_reg(pm4, R_00B324_SPI_SHADER_PGM_HI_ES, S_00B324_MEM_BASE(va >> 40)); |
| si_pm4_set_reg(pm4, R_00B328_SPI_SHADER_PGM_RSRC1_ES, |
| S_00B328_VGPRS((shader->config.num_vgprs - 1) / 4) | |
| S_00B328_SGPRS((shader->config.num_sgprs - 1) / 8) | |
| S_00B328_VGPR_COMP_CNT(vgpr_comp_cnt) | S_00B328_DX10_CLAMP(1) | |
| S_00B328_FLOAT_MODE(shader->config.float_mode)); |
| si_pm4_set_reg(pm4, R_00B32C_SPI_SHADER_PGM_RSRC2_ES, |
| S_00B32C_USER_SGPR(num_user_sgprs) | S_00B32C_OC_LDS_EN(oc_lds_en) | |
| S_00B32C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0)); |
| |
| if (shader->selector->info.stage == MESA_SHADER_TESS_EVAL) |
| si_set_tesseval_regs(sscreen, shader->selector, pm4); |
| |
| polaris_set_vgt_vertex_reuse(sscreen, shader->selector, shader, pm4); |
| } |
| |
| void gfx9_get_gs_info(struct si_shader_selector *es, struct si_shader_selector *gs, |
| struct gfx9_gs_info *out) |
| { |
| unsigned gs_num_invocations = MAX2(gs->info.base.gs.invocations, 1); |
| unsigned input_prim = gs->info.base.gs.input_primitive; |
| bool uses_adjacency = |
| input_prim >= PIPE_PRIM_LINES_ADJACENCY && input_prim <= PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY; |
| |
| /* All these are in dwords: */ |
| /* We can't allow using the whole LDS, because GS waves compete with |
| * other shader stages for LDS space. */ |
| const unsigned max_lds_size = 8 * 1024; |
| const unsigned esgs_itemsize = es->esgs_itemsize / 4; |
| unsigned esgs_lds_size; |
| |
| /* All these are per subgroup: */ |
| const unsigned max_out_prims = 32 * 1024; |
| const unsigned max_es_verts = 255; |
| const unsigned ideal_gs_prims = 64; |
| unsigned max_gs_prims, gs_prims; |
| unsigned min_es_verts, es_verts, worst_case_es_verts; |
| |
| if (uses_adjacency || gs_num_invocations > 1) |
| max_gs_prims = 127 / gs_num_invocations; |
| else |
| max_gs_prims = 255; |
| |
| /* MAX_PRIMS_PER_SUBGROUP = gs_prims * max_vert_out * gs_invocations. |
| * Make sure we don't go over the maximum value. |
| */ |
| if (gs->info.base.gs.vertices_out > 0) { |
| max_gs_prims = |
| MIN2(max_gs_prims, max_out_prims / (gs->info.base.gs.vertices_out * gs_num_invocations)); |
| } |
| assert(max_gs_prims > 0); |
| |
| /* If the primitive has adjacency, halve the number of vertices |
| * that will be reused in multiple primitives. |
| */ |
| min_es_verts = gs->gs_input_verts_per_prim / (uses_adjacency ? 2 : 1); |
| |
| gs_prims = MIN2(ideal_gs_prims, max_gs_prims); |
| worst_case_es_verts = MIN2(min_es_verts * gs_prims, max_es_verts); |
| |
| /* Compute ESGS LDS size based on the worst case number of ES vertices |
| * needed to create the target number of GS prims per subgroup. |
| */ |
| esgs_lds_size = esgs_itemsize * worst_case_es_verts; |
| |
| /* If total LDS usage is too big, refactor partitions based on ratio |
| * of ESGS item sizes. |
| */ |
| if (esgs_lds_size > max_lds_size) { |
| /* Our target GS Prims Per Subgroup was too large. Calculate |
| * the maximum number of GS Prims Per Subgroup that will fit |
| * into LDS, capped by the maximum that the hardware can support. |
| */ |
| gs_prims = MIN2((max_lds_size / (esgs_itemsize * min_es_verts)), max_gs_prims); |
| assert(gs_prims > 0); |
| worst_case_es_verts = MIN2(min_es_verts * gs_prims, max_es_verts); |
| |
| esgs_lds_size = esgs_itemsize * worst_case_es_verts; |
| assert(esgs_lds_size <= max_lds_size); |
| } |
| |
| /* Now calculate remaining ESGS information. */ |
| if (esgs_lds_size) |
| es_verts = MIN2(esgs_lds_size / esgs_itemsize, max_es_verts); |
| else |
| es_verts = max_es_verts; |
| |
| /* Vertices for adjacency primitives are not always reused, so restore |
| * it for ES_VERTS_PER_SUBGRP. |
| */ |
| min_es_verts = gs->gs_input_verts_per_prim; |
| |
| /* For normal primitives, the VGT only checks if they are past the ES |
| * verts per subgroup after allocating a full GS primitive and if they |
| * are, kick off a new subgroup. But if those additional ES verts are |
| * unique (e.g. not reused) we need to make sure there is enough LDS |
| * space to account for those ES verts beyond ES_VERTS_PER_SUBGRP. |
| */ |
| es_verts -= min_es_verts - 1; |
| |
| out->es_verts_per_subgroup = es_verts; |
| out->gs_prims_per_subgroup = gs_prims; |
| out->gs_inst_prims_in_subgroup = gs_prims * gs_num_invocations; |
| out->max_prims_per_subgroup = out->gs_inst_prims_in_subgroup * gs->info.base.gs.vertices_out; |
| out->esgs_ring_size = esgs_lds_size; |
| |
| assert(out->max_prims_per_subgroup <= max_out_prims); |
| } |
| |
| static void si_emit_shader_gs(struct si_context *sctx) |
| { |
| struct si_shader *shader = sctx->queued.named.gs->shader; |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| |
| if (!shader) |
| return; |
| |
| /* R_028A60_VGT_GSVS_RING_OFFSET_1, R_028A64_VGT_GSVS_RING_OFFSET_2 |
| * R_028A68_VGT_GSVS_RING_OFFSET_3 */ |
| radeon_opt_set_context_reg3( |
| sctx, R_028A60_VGT_GSVS_RING_OFFSET_1, SI_TRACKED_VGT_GSVS_RING_OFFSET_1, |
| shader->ctx_reg.gs.vgt_gsvs_ring_offset_1, shader->ctx_reg.gs.vgt_gsvs_ring_offset_2, |
| shader->ctx_reg.gs.vgt_gsvs_ring_offset_3); |
| |
| /* R_028AB0_VGT_GSVS_RING_ITEMSIZE */ |
| radeon_opt_set_context_reg(sctx, R_028AB0_VGT_GSVS_RING_ITEMSIZE, |
| SI_TRACKED_VGT_GSVS_RING_ITEMSIZE, |
| shader->ctx_reg.gs.vgt_gsvs_ring_itemsize); |
| |
| /* R_028B38_VGT_GS_MAX_VERT_OUT */ |
| radeon_opt_set_context_reg(sctx, R_028B38_VGT_GS_MAX_VERT_OUT, SI_TRACKED_VGT_GS_MAX_VERT_OUT, |
| shader->ctx_reg.gs.vgt_gs_max_vert_out); |
| |
| /* R_028B5C_VGT_GS_VERT_ITEMSIZE, R_028B60_VGT_GS_VERT_ITEMSIZE_1 |
| * R_028B64_VGT_GS_VERT_ITEMSIZE_2, R_028B68_VGT_GS_VERT_ITEMSIZE_3 */ |
| radeon_opt_set_context_reg4( |
| sctx, R_028B5C_VGT_GS_VERT_ITEMSIZE, SI_TRACKED_VGT_GS_VERT_ITEMSIZE, |
| shader->ctx_reg.gs.vgt_gs_vert_itemsize, shader->ctx_reg.gs.vgt_gs_vert_itemsize_1, |
| shader->ctx_reg.gs.vgt_gs_vert_itemsize_2, shader->ctx_reg.gs.vgt_gs_vert_itemsize_3); |
| |
| /* R_028B90_VGT_GS_INSTANCE_CNT */ |
| radeon_opt_set_context_reg(sctx, R_028B90_VGT_GS_INSTANCE_CNT, SI_TRACKED_VGT_GS_INSTANCE_CNT, |
| shader->ctx_reg.gs.vgt_gs_instance_cnt); |
| |
| if (sctx->chip_class >= GFX9) { |
| /* R_028A44_VGT_GS_ONCHIP_CNTL */ |
| radeon_opt_set_context_reg(sctx, R_028A44_VGT_GS_ONCHIP_CNTL, SI_TRACKED_VGT_GS_ONCHIP_CNTL, |
| shader->ctx_reg.gs.vgt_gs_onchip_cntl); |
| /* R_028A94_VGT_GS_MAX_PRIMS_PER_SUBGROUP */ |
| radeon_opt_set_context_reg(sctx, R_028A94_VGT_GS_MAX_PRIMS_PER_SUBGROUP, |
| SI_TRACKED_VGT_GS_MAX_PRIMS_PER_SUBGROUP, |
| shader->ctx_reg.gs.vgt_gs_max_prims_per_subgroup); |
| /* R_028AAC_VGT_ESGS_RING_ITEMSIZE */ |
| radeon_opt_set_context_reg(sctx, R_028AAC_VGT_ESGS_RING_ITEMSIZE, |
| SI_TRACKED_VGT_ESGS_RING_ITEMSIZE, |
| shader->ctx_reg.gs.vgt_esgs_ring_itemsize); |
| |
| if (shader->key.part.gs.es->info.stage == MESA_SHADER_TESS_EVAL) |
| radeon_opt_set_context_reg(sctx, R_028B6C_VGT_TF_PARAM, SI_TRACKED_VGT_TF_PARAM, |
| shader->vgt_tf_param); |
| if (shader->vgt_vertex_reuse_block_cntl) |
| radeon_opt_set_context_reg(sctx, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, |
| SI_TRACKED_VGT_VERTEX_REUSE_BLOCK_CNTL, |
| shader->vgt_vertex_reuse_block_cntl); |
| } |
| |
| if (initial_cdw != sctx->gfx_cs->current.cdw) |
| sctx->context_roll = true; |
| } |
| |
| static void si_shader_gs(struct si_screen *sscreen, struct si_shader *shader) |
| { |
| struct si_shader_selector *sel = shader->selector; |
| const ubyte *num_components = sel->info.num_stream_output_components; |
| unsigned gs_num_invocations = sel->info.base.gs.invocations; |
| struct si_pm4_state *pm4; |
| uint64_t va; |
| unsigned max_stream = util_last_bit(sel->info.base.gs.active_stream_mask); |
| unsigned offset; |
| |
| pm4 = si_get_shader_pm4_state(shader); |
| if (!pm4) |
| return; |
| |
| pm4->atom.emit = si_emit_shader_gs; |
| |
| offset = num_components[0] * sel->info.base.gs.vertices_out; |
| shader->ctx_reg.gs.vgt_gsvs_ring_offset_1 = offset; |
| |
| if (max_stream >= 2) |
| offset += num_components[1] * sel->info.base.gs.vertices_out; |
| shader->ctx_reg.gs.vgt_gsvs_ring_offset_2 = offset; |
| |
| if (max_stream >= 3) |
| offset += num_components[2] * sel->info.base.gs.vertices_out; |
| shader->ctx_reg.gs.vgt_gsvs_ring_offset_3 = offset; |
| |
| if (max_stream >= 4) |
| offset += num_components[3] * sel->info.base.gs.vertices_out; |
| shader->ctx_reg.gs.vgt_gsvs_ring_itemsize = offset; |
| |
| /* The GSVS_RING_ITEMSIZE register takes 15 bits */ |
| assert(offset < (1 << 15)); |
| |
| shader->ctx_reg.gs.vgt_gs_max_vert_out = sel->info.base.gs.vertices_out; |
| |
| shader->ctx_reg.gs.vgt_gs_vert_itemsize = num_components[0]; |
| shader->ctx_reg.gs.vgt_gs_vert_itemsize_1 = (max_stream >= 2) ? num_components[1] : 0; |
| shader->ctx_reg.gs.vgt_gs_vert_itemsize_2 = (max_stream >= 3) ? num_components[2] : 0; |
| shader->ctx_reg.gs.vgt_gs_vert_itemsize_3 = (max_stream >= 4) ? num_components[3] : 0; |
| |
| shader->ctx_reg.gs.vgt_gs_instance_cnt = |
| S_028B90_CNT(MIN2(gs_num_invocations, 127)) | S_028B90_ENABLE(gs_num_invocations > 0); |
| |
| va = shader->bo->gpu_address; |
| |
| if (sscreen->info.chip_class >= GFX9) { |
| unsigned input_prim = sel->info.base.gs.input_primitive; |
| gl_shader_stage es_stage = shader->key.part.gs.es->info.stage; |
| unsigned es_vgpr_comp_cnt, gs_vgpr_comp_cnt; |
| |
| if (es_stage == MESA_SHADER_VERTEX) { |
| es_vgpr_comp_cnt = si_get_vs_vgpr_comp_cnt(sscreen, shader, false); |
| } else if (es_stage == MESA_SHADER_TESS_EVAL) |
| es_vgpr_comp_cnt = shader->key.part.gs.es->info.uses_primid ? 3 : 2; |
| else |
| unreachable("invalid shader selector type"); |
| |
| /* If offsets 4, 5 are used, GS_VGPR_COMP_CNT is ignored and |
| * VGPR[0:4] are always loaded. |
| */ |
| if (sel->info.uses_invocationid) |
| gs_vgpr_comp_cnt = 3; /* VGPR3 contains InvocationID. */ |
| else if (sel->info.uses_primid) |
| gs_vgpr_comp_cnt = 2; /* VGPR2 contains PrimitiveID. */ |
| else if (input_prim >= PIPE_PRIM_TRIANGLES) |
| gs_vgpr_comp_cnt = 1; /* VGPR1 contains offsets 2, 3 */ |
| else |
| gs_vgpr_comp_cnt = 0; /* VGPR0 contains offsets 0, 1 */ |
| |
| unsigned num_user_sgprs; |
| if (es_stage == MESA_SHADER_VERTEX) |
| num_user_sgprs = si_get_num_vs_user_sgprs(shader, GFX9_VSGS_NUM_USER_SGPR); |
| else |
| num_user_sgprs = GFX9_TESGS_NUM_USER_SGPR; |
| |
| if (sscreen->info.chip_class >= GFX10) { |
| si_pm4_set_reg(pm4, R_00B320_SPI_SHADER_PGM_LO_ES, va >> 8); |
| si_pm4_set_reg(pm4, R_00B324_SPI_SHADER_PGM_HI_ES, S_00B324_MEM_BASE(va >> 40)); |
| } else { |
| si_pm4_set_reg(pm4, R_00B210_SPI_SHADER_PGM_LO_ES, va >> 8); |
| si_pm4_set_reg(pm4, R_00B214_SPI_SHADER_PGM_HI_ES, S_00B214_MEM_BASE(va >> 40)); |
| } |
| |
| uint32_t rsrc1 = S_00B228_VGPRS((shader->config.num_vgprs - 1) / 4) | S_00B228_DX10_CLAMP(1) | |
| S_00B228_MEM_ORDERED(sscreen->info.chip_class >= GFX10) | |
| S_00B228_WGP_MODE(sscreen->info.chip_class >= GFX10) | |
| S_00B228_FLOAT_MODE(shader->config.float_mode) | |
| S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt); |
| uint32_t rsrc2 = S_00B22C_USER_SGPR(num_user_sgprs) | |
| S_00B22C_ES_VGPR_COMP_CNT(es_vgpr_comp_cnt) | |
| S_00B22C_OC_LDS_EN(es_stage == MESA_SHADER_TESS_EVAL) | |
| S_00B22C_LDS_SIZE(shader->config.lds_size) | |
| S_00B22C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0); |
| |
| if (sscreen->info.chip_class >= GFX10) { |
| rsrc2 |= S_00B22C_USER_SGPR_MSB_GFX10(num_user_sgprs >> 5); |
| } else { |
| rsrc1 |= S_00B228_SGPRS((shader->config.num_sgprs - 1) / 8); |
| rsrc2 |= S_00B22C_USER_SGPR_MSB_GFX9(num_user_sgprs >> 5); |
| } |
| |
| si_pm4_set_reg(pm4, R_00B228_SPI_SHADER_PGM_RSRC1_GS, rsrc1); |
| si_pm4_set_reg(pm4, R_00B22C_SPI_SHADER_PGM_RSRC2_GS, rsrc2); |
| |
| if (sscreen->info.chip_class >= GFX10) { |
| si_pm4_set_reg(pm4, R_00B204_SPI_SHADER_PGM_RSRC4_GS, |
| S_00B204_CU_EN(0xffff) | S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(0)); |
| } |
| |
| shader->ctx_reg.gs.vgt_gs_onchip_cntl = |
| S_028A44_ES_VERTS_PER_SUBGRP(shader->gs_info.es_verts_per_subgroup) | |
| S_028A44_GS_PRIMS_PER_SUBGRP(shader->gs_info.gs_prims_per_subgroup) | |
| S_028A44_GS_INST_PRIMS_IN_SUBGRP(shader->gs_info.gs_inst_prims_in_subgroup); |
| shader->ctx_reg.gs.vgt_gs_max_prims_per_subgroup = |
| S_028A94_MAX_PRIMS_PER_SUBGROUP(shader->gs_info.max_prims_per_subgroup); |
| shader->ctx_reg.gs.vgt_esgs_ring_itemsize = shader->key.part.gs.es->esgs_itemsize / 4; |
| |
| if (es_stage == MESA_SHADER_TESS_EVAL) |
| si_set_tesseval_regs(sscreen, shader->key.part.gs.es, pm4); |
| |
| polaris_set_vgt_vertex_reuse(sscreen, shader->key.part.gs.es, NULL, pm4); |
| } else { |
| si_pm4_set_reg(pm4, R_00B220_SPI_SHADER_PGM_LO_GS, va >> 8); |
| si_pm4_set_reg(pm4, R_00B224_SPI_SHADER_PGM_HI_GS, S_00B224_MEM_BASE(va >> 40)); |
| |
| si_pm4_set_reg(pm4, R_00B228_SPI_SHADER_PGM_RSRC1_GS, |
| S_00B228_VGPRS((shader->config.num_vgprs - 1) / 4) | |
| S_00B228_SGPRS((shader->config.num_sgprs - 1) / 8) | |
| S_00B228_DX10_CLAMP(1) | S_00B228_FLOAT_MODE(shader->config.float_mode)); |
| si_pm4_set_reg(pm4, R_00B22C_SPI_SHADER_PGM_RSRC2_GS, |
| S_00B22C_USER_SGPR(GFX6_GS_NUM_USER_SGPR) | |
| S_00B22C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0)); |
| } |
| } |
| |
| static void gfx10_emit_ge_pc_alloc(struct si_context *sctx, unsigned value) |
| { |
| enum si_tracked_reg reg = SI_TRACKED_GE_PC_ALLOC; |
| |
| if (((sctx->tracked_regs.reg_saved >> reg) & 0x1) != 0x1 || |
| sctx->tracked_regs.reg_value[reg] != value) { |
| struct radeon_cmdbuf *cs = sctx->gfx_cs; |
| |
| if (sctx->chip_class == GFX10) { |
| /* SQ_NON_EVENT must be emitted before GE_PC_ALLOC is written. */ |
| radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); |
| radeon_emit(cs, EVENT_TYPE(V_028A90_SQ_NON_EVENT) | EVENT_INDEX(0)); |
| } |
| |
| radeon_set_uconfig_reg(cs, R_030980_GE_PC_ALLOC, value); |
| |
| sctx->tracked_regs.reg_saved |= 0x1ull << reg; |
| sctx->tracked_regs.reg_value[reg] = value; |
| } |
| } |
| |
| /* Common tail code for NGG primitive shaders. */ |
| static void gfx10_emit_shader_ngg_tail(struct si_context *sctx, struct si_shader *shader, |
| unsigned initial_cdw) |
| { |
| radeon_opt_set_context_reg(sctx, R_0287FC_GE_MAX_OUTPUT_PER_SUBGROUP, |
| SI_TRACKED_GE_MAX_OUTPUT_PER_SUBGROUP, |
| shader->ctx_reg.ngg.ge_max_output_per_subgroup); |
| radeon_opt_set_context_reg(sctx, R_028B4C_GE_NGG_SUBGRP_CNTL, SI_TRACKED_GE_NGG_SUBGRP_CNTL, |
| shader->ctx_reg.ngg.ge_ngg_subgrp_cntl); |
| radeon_opt_set_context_reg(sctx, R_028A84_VGT_PRIMITIVEID_EN, SI_TRACKED_VGT_PRIMITIVEID_EN, |
| shader->ctx_reg.ngg.vgt_primitiveid_en); |
| radeon_opt_set_context_reg(sctx, R_028A44_VGT_GS_ONCHIP_CNTL, SI_TRACKED_VGT_GS_ONCHIP_CNTL, |
| shader->ctx_reg.ngg.vgt_gs_onchip_cntl); |
| radeon_opt_set_context_reg(sctx, R_028B90_VGT_GS_INSTANCE_CNT, SI_TRACKED_VGT_GS_INSTANCE_CNT, |
| shader->ctx_reg.ngg.vgt_gs_instance_cnt); |
| radeon_opt_set_context_reg(sctx, R_028AAC_VGT_ESGS_RING_ITEMSIZE, |
| SI_TRACKED_VGT_ESGS_RING_ITEMSIZE, |
| shader->ctx_reg.ngg.vgt_esgs_ring_itemsize); |
| radeon_opt_set_context_reg(sctx, R_0286C4_SPI_VS_OUT_CONFIG, SI_TRACKED_SPI_VS_OUT_CONFIG, |
| shader->ctx_reg.ngg.spi_vs_out_config); |
| radeon_opt_set_context_reg2( |
| sctx, R_028708_SPI_SHADER_IDX_FORMAT, SI_TRACKED_SPI_SHADER_IDX_FORMAT, |
| shader->ctx_reg.ngg.spi_shader_idx_format, shader->ctx_reg.ngg.spi_shader_pos_format); |
| radeon_opt_set_context_reg(sctx, R_028818_PA_CL_VTE_CNTL, SI_TRACKED_PA_CL_VTE_CNTL, |
| shader->ctx_reg.ngg.pa_cl_vte_cntl); |
| radeon_opt_set_context_reg(sctx, R_028838_PA_CL_NGG_CNTL, SI_TRACKED_PA_CL_NGG_CNTL, |
| shader->ctx_reg.ngg.pa_cl_ngg_cntl); |
| |
| radeon_opt_set_context_reg_rmw(sctx, R_02881C_PA_CL_VS_OUT_CNTL, |
| SI_TRACKED_PA_CL_VS_OUT_CNTL__VS, shader->pa_cl_vs_out_cntl, |
| SI_TRACKED_PA_CL_VS_OUT_CNTL__VS_MASK); |
| |
| if (initial_cdw != sctx->gfx_cs->current.cdw) |
| sctx->context_roll = true; |
| |
| /* GE_PC_ALLOC is not a context register, so it doesn't cause a context roll. */ |
| gfx10_emit_ge_pc_alloc(sctx, shader->ctx_reg.ngg.ge_pc_alloc); |
| } |
| |
| static void gfx10_emit_shader_ngg_notess_nogs(struct si_context *sctx) |
| { |
| struct si_shader *shader = sctx->queued.named.gs->shader; |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| |
| if (!shader) |
| return; |
| |
| gfx10_emit_shader_ngg_tail(sctx, shader, initial_cdw); |
| } |
| |
| static void gfx10_emit_shader_ngg_tess_nogs(struct si_context *sctx) |
| { |
| struct si_shader *shader = sctx->queued.named.gs->shader; |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| |
| if (!shader) |
| return; |
| |
| radeon_opt_set_context_reg(sctx, R_028B6C_VGT_TF_PARAM, SI_TRACKED_VGT_TF_PARAM, |
| shader->vgt_tf_param); |
| |
| gfx10_emit_shader_ngg_tail(sctx, shader, initial_cdw); |
| } |
| |
| static void gfx10_emit_shader_ngg_notess_gs(struct si_context *sctx) |
| { |
| struct si_shader *shader = sctx->queued.named.gs->shader; |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| |
| if (!shader) |
| return; |
| |
| radeon_opt_set_context_reg(sctx, R_028B38_VGT_GS_MAX_VERT_OUT, SI_TRACKED_VGT_GS_MAX_VERT_OUT, |
| shader->ctx_reg.ngg.vgt_gs_max_vert_out); |
| |
| gfx10_emit_shader_ngg_tail(sctx, shader, initial_cdw); |
| } |
| |
| static void gfx10_emit_shader_ngg_tess_gs(struct si_context *sctx) |
| { |
| struct si_shader *shader = sctx->queued.named.gs->shader; |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| |
| if (!shader) |
| return; |
| |
| radeon_opt_set_context_reg(sctx, R_028B38_VGT_GS_MAX_VERT_OUT, SI_TRACKED_VGT_GS_MAX_VERT_OUT, |
| shader->ctx_reg.ngg.vgt_gs_max_vert_out); |
| radeon_opt_set_context_reg(sctx, R_028B6C_VGT_TF_PARAM, SI_TRACKED_VGT_TF_PARAM, |
| shader->vgt_tf_param); |
| |
| gfx10_emit_shader_ngg_tail(sctx, shader, initial_cdw); |
| } |
| |
| unsigned si_get_input_prim(const struct si_shader_selector *gs) |
| { |
| if (gs->info.stage == MESA_SHADER_GEOMETRY) |
| return gs->info.base.gs.input_primitive; |
| |
| if (gs->info.stage == MESA_SHADER_TESS_EVAL) { |
| if (gs->info.base.tess.point_mode) |
| return PIPE_PRIM_POINTS; |
| if (gs->info.base.tess.primitive_mode == GL_LINES) |
| return PIPE_PRIM_LINES; |
| return PIPE_PRIM_TRIANGLES; |
| } |
| |
| /* TODO: Set this correctly if the primitive type is set in the shader key. */ |
| return PIPE_PRIM_TRIANGLES; /* worst case for all callers */ |
| } |
| |
| static unsigned si_get_vs_out_cntl(const struct si_shader_selector *sel, |
| const struct si_shader *shader, bool ngg) |
| { |
| bool writes_psize = sel->info.writes_psize; |
| |
| if (shader) |
| writes_psize &= !shader->key.opt.kill_pointsize; |
| |
| bool misc_vec_ena = writes_psize || (sel->info.writes_edgeflag && !ngg) || |
| sel->info.writes_layer || sel->info.writes_viewport_index; |
| return S_02881C_USE_VTX_POINT_SIZE(writes_psize) | |
| S_02881C_USE_VTX_EDGE_FLAG(sel->info.writes_edgeflag && !ngg) | |
| S_02881C_USE_VTX_RENDER_TARGET_INDX(sel->info.writes_layer) | |
| S_02881C_USE_VTX_VIEWPORT_INDX(sel->info.writes_viewport_index) | |
| S_02881C_VS_OUT_MISC_VEC_ENA(misc_vec_ena) | |
| S_02881C_VS_OUT_MISC_SIDE_BUS_ENA(misc_vec_ena); |
| } |
| |
| /** |
| * Prepare the PM4 image for \p shader, which will run as a merged ESGS shader |
| * in NGG mode. |
| */ |
| static void gfx10_shader_ngg(struct si_screen *sscreen, struct si_shader *shader) |
| { |
| const struct si_shader_selector *gs_sel = shader->selector; |
| const struct si_shader_info *gs_info = &gs_sel->info; |
| const gl_shader_stage gs_stage = shader->selector->info.stage; |
| const struct si_shader_selector *es_sel = |
| shader->previous_stage_sel ? shader->previous_stage_sel : shader->selector; |
| const struct si_shader_info *es_info = &es_sel->info; |
| const gl_shader_stage es_stage = es_sel->info.stage; |
| unsigned num_user_sgprs; |
| unsigned nparams, es_vgpr_comp_cnt, gs_vgpr_comp_cnt; |
| uint64_t va; |
| bool window_space = gs_info->stage == MESA_SHADER_VERTEX ? |
| gs_info->base.vs.window_space_position : 0; |
| bool es_enable_prim_id = shader->key.mono.u.vs_export_prim_id || es_info->uses_primid; |
| unsigned gs_num_invocations = MAX2(gs_sel->info.base.gs.invocations, 1); |
| unsigned input_prim = si_get_input_prim(gs_sel); |
| bool break_wave_at_eoi = false; |
| struct si_pm4_state *pm4 = si_get_shader_pm4_state(shader); |
| if (!pm4) |
| return; |
| |
| if (es_stage == MESA_SHADER_TESS_EVAL) { |
| pm4->atom.emit = gs_stage == MESA_SHADER_GEOMETRY ? gfx10_emit_shader_ngg_tess_gs |
| : gfx10_emit_shader_ngg_tess_nogs; |
| } else { |
| pm4->atom.emit = gs_stage == MESA_SHADER_GEOMETRY ? gfx10_emit_shader_ngg_notess_gs |
| : gfx10_emit_shader_ngg_notess_nogs; |
| } |
| |
| va = shader->bo->gpu_address; |
| |
| if (es_stage == MESA_SHADER_VERTEX) { |
| es_vgpr_comp_cnt = si_get_vs_vgpr_comp_cnt(sscreen, shader, false); |
| |
| if (es_info->base.vs.blit_sgprs_amd) { |
| num_user_sgprs = |
| SI_SGPR_VS_BLIT_DATA + es_info->base.vs.blit_sgprs_amd; |
| } else { |
| num_user_sgprs = si_get_num_vs_user_sgprs(shader, GFX9_VSGS_NUM_USER_SGPR); |
| } |
| } else { |
| assert(es_stage == MESA_SHADER_TESS_EVAL); |
| es_vgpr_comp_cnt = es_enable_prim_id ? 3 : 2; |
| num_user_sgprs = GFX9_TESGS_NUM_USER_SGPR; |
| |
| if (es_enable_prim_id || gs_info->uses_primid) |
| break_wave_at_eoi = true; |
| } |
| |
| /* If offsets 4, 5 are used, GS_VGPR_COMP_CNT is ignored and |
| * VGPR[0:4] are always loaded. |
| * |
| * Vertex shaders always need to load VGPR3, because they need to |
| * pass edge flags for decomposed primitives (such as quads) to the PA |
| * for the GL_LINE polygon mode to skip rendering lines on inner edges. |
| */ |
| if (gs_info->uses_invocationid || |
| (gs_stage == MESA_SHADER_VERTEX && !gfx10_is_ngg_passthrough(shader))) |
| gs_vgpr_comp_cnt = 3; /* VGPR3 contains InvocationID, edge flags. */ |
| else if ((gs_stage == MESA_SHADER_GEOMETRY && gs_info->uses_primid) || |
| (gs_stage == MESA_SHADER_VERTEX && shader->key.mono.u.vs_export_prim_id)) |
| gs_vgpr_comp_cnt = 2; /* VGPR2 contains PrimitiveID. */ |
| else if (input_prim >= PIPE_PRIM_TRIANGLES && !gfx10_is_ngg_passthrough(shader)) |
| gs_vgpr_comp_cnt = 1; /* VGPR1 contains offsets 2, 3 */ |
| else |
| gs_vgpr_comp_cnt = 0; /* VGPR0 contains offsets 0, 1 */ |
| |
| unsigned wave_size = si_get_shader_wave_size(shader); |
| |
| si_pm4_set_reg(pm4, R_00B320_SPI_SHADER_PGM_LO_ES, va >> 8); |
| si_pm4_set_reg(pm4, R_00B324_SPI_SHADER_PGM_HI_ES, va >> 40); |
| si_pm4_set_reg( |
| pm4, R_00B228_SPI_SHADER_PGM_RSRC1_GS, |
| S_00B228_VGPRS((shader->config.num_vgprs - 1) / (wave_size == 32 ? 8 : 4)) | |
| S_00B228_FLOAT_MODE(shader->config.float_mode) | S_00B228_DX10_CLAMP(1) | |
| S_00B228_MEM_ORDERED(1) | S_00B228_WGP_MODE(1) | |
| S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt)); |
| si_pm4_set_reg(pm4, R_00B22C_SPI_SHADER_PGM_RSRC2_GS, |
| S_00B22C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0) | |
| S_00B22C_USER_SGPR(num_user_sgprs) | |
| S_00B22C_ES_VGPR_COMP_CNT(es_vgpr_comp_cnt) | |
| S_00B22C_USER_SGPR_MSB_GFX10(num_user_sgprs >> 5) | |
| S_00B22C_OC_LDS_EN(es_stage == MESA_SHADER_TESS_EVAL) | |
| S_00B22C_LDS_SIZE(shader->config.lds_size)); |
| |
| /* Determine LATE_ALLOC_GS. */ |
| unsigned num_cu_per_sh = sscreen->info.min_good_cu_per_sa; |
| unsigned late_alloc_wave64; /* The limit is per SA. */ |
| |
| /* For Wave32, the hw will launch twice the number of late |
| * alloc waves, so 1 == 2x wave32. |
| * |
| * Don't use late alloc for NGG on Navi14 due to a hw bug. |
| */ |
| if (sscreen->info.family == CHIP_NAVI14 || !sscreen->info.use_late_alloc) |
| late_alloc_wave64 = 0; |
| else if (num_cu_per_sh <= 6) |
| late_alloc_wave64 = num_cu_per_sh - 2; /* All CUs enabled */ |
| else if (shader->key.opt.ngg_culling) |
| late_alloc_wave64 = num_cu_per_sh * 10; |
| else |
| late_alloc_wave64 = num_cu_per_sh * 4; |
| |
| /* Limit LATE_ALLOC_GS for prevent a hang (hw bug). */ |
| if (sscreen->info.chip_class == GFX10) |
| late_alloc_wave64 = MIN2(late_alloc_wave64, 64); |
| |
| /* Max number that fits into the register field. */ |
| late_alloc_wave64 = MIN2(late_alloc_wave64, 127); |
| |
| si_pm4_set_reg( |
| pm4, R_00B204_SPI_SHADER_PGM_RSRC4_GS, |
| S_00B204_CU_EN(0xffff) | S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(late_alloc_wave64)); |
| |
| nparams = MAX2(shader->info.nr_param_exports, 1); |
| shader->ctx_reg.ngg.spi_vs_out_config = |
| S_0286C4_VS_EXPORT_COUNT(nparams - 1) | |
| S_0286C4_NO_PC_EXPORT(shader->info.nr_param_exports == 0); |
| |
| shader->ctx_reg.ngg.spi_shader_idx_format = |
| S_028708_IDX0_EXPORT_FORMAT(V_028708_SPI_SHADER_1COMP); |
| shader->ctx_reg.ngg.spi_shader_pos_format = |
| S_02870C_POS0_EXPORT_FORMAT(V_02870C_SPI_SHADER_4COMP) | |
| S_02870C_POS1_EXPORT_FORMAT(shader->info.nr_pos_exports > 1 ? V_02870C_SPI_SHADER_4COMP |
| : V_02870C_SPI_SHADER_NONE) | |
| S_02870C_POS2_EXPORT_FORMAT(shader->info.nr_pos_exports > 2 ? V_02870C_SPI_SHADER_4COMP |
| : V_02870C_SPI_SHADER_NONE) | |
| S_02870C_POS3_EXPORT_FORMAT(shader->info.nr_pos_exports > 3 ? V_02870C_SPI_SHADER_4COMP |
| : V_02870C_SPI_SHADER_NONE); |
| |
| shader->ctx_reg.ngg.vgt_primitiveid_en = |
| S_028A84_PRIMITIVEID_EN(es_enable_prim_id) | |
| S_028A84_NGG_DISABLE_PROVOK_REUSE(shader->key.mono.u.vs_export_prim_id || |
| gs_sel->info.writes_primid); |
| |
| if (gs_stage == MESA_SHADER_GEOMETRY) { |
| shader->ctx_reg.ngg.vgt_esgs_ring_itemsize = es_sel->esgs_itemsize / 4; |
| shader->ctx_reg.ngg.vgt_gs_max_vert_out = gs_sel->info.base.gs.vertices_out; |
| } else { |
| shader->ctx_reg.ngg.vgt_esgs_ring_itemsize = 1; |
| } |
| |
| if (es_stage == MESA_SHADER_TESS_EVAL) |
| si_set_tesseval_regs(sscreen, es_sel, pm4); |
| |
| shader->ctx_reg.ngg.vgt_gs_onchip_cntl = |
| S_028A44_ES_VERTS_PER_SUBGRP(shader->ngg.hw_max_esverts) | |
| S_028A44_GS_PRIMS_PER_SUBGRP(shader->ngg.max_gsprims) | |
| S_028A44_GS_INST_PRIMS_IN_SUBGRP(shader->ngg.max_gsprims * gs_num_invocations); |
| shader->ctx_reg.ngg.ge_max_output_per_subgroup = |
| S_0287FC_MAX_VERTS_PER_SUBGROUP(shader->ngg.max_out_verts); |
| shader->ctx_reg.ngg.ge_ngg_subgrp_cntl = S_028B4C_PRIM_AMP_FACTOR(shader->ngg.prim_amp_factor) | |
| S_028B4C_THDS_PER_SUBGRP(0); /* for fast launch */ |
| shader->ctx_reg.ngg.vgt_gs_instance_cnt = |
| S_028B90_CNT(gs_num_invocations) | S_028B90_ENABLE(gs_num_invocations > 1) | |
| S_028B90_EN_MAX_VERT_OUT_PER_GS_INSTANCE(shader->ngg.max_vert_out_per_gs_instance); |
| |
| /* Always output hw-generated edge flags and pass them via the prim |
| * export to prevent drawing lines on internal edges of decomposed |
| * primitives (such as quads) with polygon mode = lines. Only VS needs |
| * this. |
| */ |
| shader->ctx_reg.ngg.pa_cl_ngg_cntl = |
| S_028838_INDEX_BUF_EDGE_FLAG_ENA(gs_stage == MESA_SHADER_VERTEX) | |
| /* Reuse for NGG. */ |
| S_028838_VERTEX_REUSE_DEPTH(sscreen->info.chip_class >= GFX10_3 ? 30 : 0); |
| shader->pa_cl_vs_out_cntl = si_get_vs_out_cntl(shader->selector, shader, true); |
| |
| /* Oversubscribe PC. This improves performance when there are too many varyings. */ |
| float oversub_pc_factor = 0.25; |
| |
| if (shader->key.opt.ngg_culling) { |
| /* Be more aggressive with NGG culling. */ |
| if (shader->info.nr_param_exports > 4) |
| oversub_pc_factor = 1; |
| else if (shader->info.nr_param_exports > 2) |
| oversub_pc_factor = 0.75; |
| else |
| oversub_pc_factor = 0.5; |
| } |
| |
| unsigned oversub_pc_lines = sscreen->info.pc_lines * oversub_pc_factor; |
| shader->ctx_reg.ngg.ge_pc_alloc = S_030980_OVERSUB_EN(sscreen->info.use_late_alloc) | |
| S_030980_NUM_PC_LINES(oversub_pc_lines - 1); |
| |
| if (shader->key.opt.ngg_culling & SI_NGG_CULL_GS_FAST_LAUNCH_TRI_LIST) { |
| shader->ge_cntl = S_03096C_PRIM_GRP_SIZE(shader->ngg.max_gsprims) | |
| S_03096C_VERT_GRP_SIZE(shader->ngg.max_gsprims * 3); |
| } else if (shader->key.opt.ngg_culling & SI_NGG_CULL_GS_FAST_LAUNCH_TRI_STRIP) { |
| shader->ge_cntl = S_03096C_PRIM_GRP_SIZE(shader->ngg.max_gsprims) | |
| S_03096C_VERT_GRP_SIZE(shader->ngg.max_gsprims + 2); |
| } else { |
| shader->ge_cntl = S_03096C_PRIM_GRP_SIZE(shader->ngg.max_gsprims) | |
| S_03096C_VERT_GRP_SIZE(shader->ngg.hw_max_esverts) | |
| S_03096C_BREAK_WAVE_AT_EOI(break_wave_at_eoi); |
| |
| /* Bug workaround for a possible hang with non-tessellation cases. |
| * Tessellation always sets GE_CNTL.VERT_GRP_SIZE = 0 |
| * |
| * Requirement: GE_CNTL.VERT_GRP_SIZE = VGT_GS_ONCHIP_CNTL.ES_VERTS_PER_SUBGRP - 5 |
| */ |
| if ((sscreen->info.chip_class == GFX10) && |
| (es_stage == MESA_SHADER_VERTEX || gs_stage == MESA_SHADER_VERTEX) && /* = no tess */ |
| shader->ngg.hw_max_esverts != 256) { |
| shader->ge_cntl &= C_03096C_VERT_GRP_SIZE; |
| |
| if (shader->ngg.hw_max_esverts > 5) { |
| shader->ge_cntl |= S_03096C_VERT_GRP_SIZE(shader->ngg.hw_max_esverts - 5); |
| } |
| } |
| } |
| |
| if (window_space) { |
| shader->ctx_reg.ngg.pa_cl_vte_cntl = S_028818_VTX_XY_FMT(1) | S_028818_VTX_Z_FMT(1); |
| } else { |
| shader->ctx_reg.ngg.pa_cl_vte_cntl = |
| S_028818_VTX_W0_FMT(1) | S_028818_VPORT_X_SCALE_ENA(1) | S_028818_VPORT_X_OFFSET_ENA(1) | |
| S_028818_VPORT_Y_SCALE_ENA(1) | S_028818_VPORT_Y_OFFSET_ENA(1) | |
| S_028818_VPORT_Z_SCALE_ENA(1) | S_028818_VPORT_Z_OFFSET_ENA(1); |
| } |
| } |
| |
| static void si_emit_shader_vs(struct si_context *sctx) |
| { |
| struct si_shader *shader = sctx->queued.named.vs->shader; |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| |
| if (!shader) |
| return; |
| |
| radeon_opt_set_context_reg(sctx, R_028A40_VGT_GS_MODE, SI_TRACKED_VGT_GS_MODE, |
| shader->ctx_reg.vs.vgt_gs_mode); |
| radeon_opt_set_context_reg(sctx, R_028A84_VGT_PRIMITIVEID_EN, SI_TRACKED_VGT_PRIMITIVEID_EN, |
| shader->ctx_reg.vs.vgt_primitiveid_en); |
| |
| if (sctx->chip_class <= GFX8) { |
| radeon_opt_set_context_reg(sctx, R_028AB4_VGT_REUSE_OFF, SI_TRACKED_VGT_REUSE_OFF, |
| shader->ctx_reg.vs.vgt_reuse_off); |
| } |
| |
| radeon_opt_set_context_reg(sctx, R_0286C4_SPI_VS_OUT_CONFIG, SI_TRACKED_SPI_VS_OUT_CONFIG, |
| shader->ctx_reg.vs.spi_vs_out_config); |
| |
| radeon_opt_set_context_reg(sctx, R_02870C_SPI_SHADER_POS_FORMAT, |
| SI_TRACKED_SPI_SHADER_POS_FORMAT, |
| shader->ctx_reg.vs.spi_shader_pos_format); |
| |
| radeon_opt_set_context_reg(sctx, R_028818_PA_CL_VTE_CNTL, SI_TRACKED_PA_CL_VTE_CNTL, |
| shader->ctx_reg.vs.pa_cl_vte_cntl); |
| |
| if (shader->selector->info.stage == MESA_SHADER_TESS_EVAL) |
| radeon_opt_set_context_reg(sctx, R_028B6C_VGT_TF_PARAM, SI_TRACKED_VGT_TF_PARAM, |
| shader->vgt_tf_param); |
| |
| if (shader->vgt_vertex_reuse_block_cntl) |
| radeon_opt_set_context_reg(sctx, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, |
| SI_TRACKED_VGT_VERTEX_REUSE_BLOCK_CNTL, |
| shader->vgt_vertex_reuse_block_cntl); |
| |
| /* Required programming for tessellation. (legacy pipeline only) */ |
| if (sctx->chip_class >= GFX10 && shader->selector->info.stage == MESA_SHADER_TESS_EVAL) { |
| radeon_opt_set_context_reg(sctx, R_028A44_VGT_GS_ONCHIP_CNTL, |
| SI_TRACKED_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)); |
| } |
| |
| if (sctx->chip_class >= GFX10) { |
| radeon_opt_set_context_reg_rmw(sctx, R_02881C_PA_CL_VS_OUT_CNTL, |
| SI_TRACKED_PA_CL_VS_OUT_CNTL__VS, shader->pa_cl_vs_out_cntl, |
| SI_TRACKED_PA_CL_VS_OUT_CNTL__VS_MASK); |
| } |
| |
| if (initial_cdw != sctx->gfx_cs->current.cdw) |
| sctx->context_roll = true; |
| |
| /* GE_PC_ALLOC is not a context register, so it doesn't cause a context roll. */ |
| if (sctx->chip_class >= GFX10) |
| gfx10_emit_ge_pc_alloc(sctx, shader->ctx_reg.vs.ge_pc_alloc); |
| } |
| |
| /** |
| * Compute the state for \p shader, which will run as a vertex shader on the |
| * hardware. |
| * |
| * If \p gs is non-NULL, it points to the geometry shader for which this shader |
| * is the copy shader. |
| */ |
| static void si_shader_vs(struct si_screen *sscreen, struct si_shader *shader, |
| struct si_shader_selector *gs) |
| { |
| const struct si_shader_info *info = &shader->selector->info; |
| struct si_pm4_state *pm4; |
| unsigned num_user_sgprs, vgpr_comp_cnt; |
| uint64_t va; |
| unsigned nparams, oc_lds_en; |
| bool window_space = info->stage == MESA_SHADER_VERTEX ? |
| info->base.vs.window_space_position : 0; |
| bool enable_prim_id = shader->key.mono.u.vs_export_prim_id || info->uses_primid; |
| |
| pm4 = si_get_shader_pm4_state(shader); |
| if (!pm4) |
| return; |
| |
| pm4->atom.emit = si_emit_shader_vs; |
| |
| /* We always write VGT_GS_MODE in the VS state, because every switch |
| * between different shader pipelines involving a different GS or no |
| * GS at all involves a switch of the VS (different GS use different |
| * copy shaders). On the other hand, when the API switches from a GS to |
| * no GS and then back to the same GS used originally, the GS state is |
| * not sent again. |
| */ |
| if (!gs) { |
| unsigned mode = V_028A40_GS_OFF; |
| |
| /* PrimID needs GS scenario A. */ |
| if (enable_prim_id) |
| mode = V_028A40_GS_SCENARIO_A; |
| |
| shader->ctx_reg.vs.vgt_gs_mode = S_028A40_MODE(mode); |
| shader->ctx_reg.vs.vgt_primitiveid_en = enable_prim_id; |
| } else { |
| shader->ctx_reg.vs.vgt_gs_mode = |
| ac_vgt_gs_mode(gs->info.base.gs.vertices_out, sscreen->info.chip_class); |
| shader->ctx_reg.vs.vgt_primitiveid_en = 0; |
| } |
| |
| if (sscreen->info.chip_class <= GFX8) { |
| /* Reuse needs to be set off if we write oViewport. */ |
| shader->ctx_reg.vs.vgt_reuse_off = S_028AB4_REUSE_OFF(info->writes_viewport_index); |
| } |
| |
| va = shader->bo->gpu_address; |
| |
| if (gs) { |
| vgpr_comp_cnt = 0; /* only VertexID is needed for GS-COPY. */ |
| num_user_sgprs = SI_GSCOPY_NUM_USER_SGPR; |
| } else if (shader->selector->info.stage == MESA_SHADER_VERTEX) { |
| vgpr_comp_cnt = si_get_vs_vgpr_comp_cnt(sscreen, shader, enable_prim_id); |
| |
| if (info->base.vs.blit_sgprs_amd) { |
| num_user_sgprs = SI_SGPR_VS_BLIT_DATA + info->base.vs.blit_sgprs_amd; |
| } else { |
| num_user_sgprs = si_get_num_vs_user_sgprs(shader, SI_VS_NUM_USER_SGPR); |
| } |
| } else if (shader->selector->info.stage == MESA_SHADER_TESS_EVAL) { |
| vgpr_comp_cnt = enable_prim_id ? 3 : 2; |
| num_user_sgprs = SI_TES_NUM_USER_SGPR; |
| } else |
| unreachable("invalid shader selector type"); |
| |
| /* VS is required to export at least one param. */ |
| nparams = MAX2(shader->info.nr_param_exports, 1); |
| shader->ctx_reg.vs.spi_vs_out_config = S_0286C4_VS_EXPORT_COUNT(nparams - 1); |
| |
| if (sscreen->info.chip_class >= GFX10) { |
| shader->ctx_reg.vs.spi_vs_out_config |= |
| S_0286C4_NO_PC_EXPORT(shader->info.nr_param_exports == 0); |
| } |
| |
| shader->ctx_reg.vs.spi_shader_pos_format = |
| S_02870C_POS0_EXPORT_FORMAT(V_02870C_SPI_SHADER_4COMP) | |
| S_02870C_POS1_EXPORT_FORMAT(shader->info.nr_pos_exports > 1 ? V_02870C_SPI_SHADER_4COMP |
| : V_02870C_SPI_SHADER_NONE) | |
| S_02870C_POS2_EXPORT_FORMAT(shader->info.nr_pos_exports > 2 ? V_02870C_SPI_SHADER_4COMP |
| : V_02870C_SPI_SHADER_NONE) | |
| S_02870C_POS3_EXPORT_FORMAT(shader->info.nr_pos_exports > 3 ? V_02870C_SPI_SHADER_4COMP |
| : V_02870C_SPI_SHADER_NONE); |
| shader->ctx_reg.vs.ge_pc_alloc = S_030980_OVERSUB_EN(sscreen->info.use_late_alloc) | |
| S_030980_NUM_PC_LINES(sscreen->info.pc_lines / 4 - 1); |
| shader->pa_cl_vs_out_cntl = si_get_vs_out_cntl(shader->selector, shader, false); |
| |
| oc_lds_en = shader->selector->info.stage == MESA_SHADER_TESS_EVAL ? 1 : 0; |
| |
| si_pm4_set_reg(pm4, R_00B120_SPI_SHADER_PGM_LO_VS, va >> 8); |
| si_pm4_set_reg(pm4, R_00B124_SPI_SHADER_PGM_HI_VS, S_00B124_MEM_BASE(va >> 40)); |
| |
| uint32_t rsrc1 = |
| S_00B128_VGPRS((shader->config.num_vgprs - 1) / (sscreen->ge_wave_size == 32 ? 8 : 4)) | |
| S_00B128_VGPR_COMP_CNT(vgpr_comp_cnt) | S_00B128_DX10_CLAMP(1) | |
| S_00B128_MEM_ORDERED(sscreen->info.chip_class >= GFX10) | |
| S_00B128_FLOAT_MODE(shader->config.float_mode); |
| uint32_t rsrc2 = S_00B12C_USER_SGPR(num_user_sgprs) | S_00B12C_OC_LDS_EN(oc_lds_en) | |
| S_00B12C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0); |
| |
| if (sscreen->info.chip_class >= GFX10) |
| rsrc2 |= S_00B12C_USER_SGPR_MSB_GFX10(num_user_sgprs >> 5); |
| else if (sscreen->info.chip_class == GFX9) |
| rsrc2 |= S_00B12C_USER_SGPR_MSB_GFX9(num_user_sgprs >> 5); |
| |
| if (sscreen->info.chip_class <= GFX9) |
| rsrc1 |= S_00B128_SGPRS((shader->config.num_sgprs - 1) / 8); |
| |
| if (!sscreen->use_ngg_streamout) { |
| rsrc2 |= S_00B12C_SO_BASE0_EN(!!shader->selector->so.stride[0]) | |
| S_00B12C_SO_BASE1_EN(!!shader->selector->so.stride[1]) | |
| S_00B12C_SO_BASE2_EN(!!shader->selector->so.stride[2]) | |
| S_00B12C_SO_BASE3_EN(!!shader->selector->so.stride[3]) | |
| S_00B12C_SO_EN(!!shader->selector->so.num_outputs); |
| } |
| |
| si_pm4_set_reg(pm4, R_00B128_SPI_SHADER_PGM_RSRC1_VS, rsrc1); |
| si_pm4_set_reg(pm4, R_00B12C_SPI_SHADER_PGM_RSRC2_VS, rsrc2); |
| |
| if (window_space) |
| shader->ctx_reg.vs.pa_cl_vte_cntl = S_028818_VTX_XY_FMT(1) | S_028818_VTX_Z_FMT(1); |
| else |
| shader->ctx_reg.vs.pa_cl_vte_cntl = |
| S_028818_VTX_W0_FMT(1) | S_028818_VPORT_X_SCALE_ENA(1) | S_028818_VPORT_X_OFFSET_ENA(1) | |
| S_028818_VPORT_Y_SCALE_ENA(1) | S_028818_VPORT_Y_OFFSET_ENA(1) | |
| S_028818_VPORT_Z_SCALE_ENA(1) | S_028818_VPORT_Z_OFFSET_ENA(1); |
| |
| if (shader->selector->info.stage == MESA_SHADER_TESS_EVAL) |
| si_set_tesseval_regs(sscreen, shader->selector, pm4); |
| |
| polaris_set_vgt_vertex_reuse(sscreen, shader->selector, shader, pm4); |
| } |
| |
| static unsigned si_get_ps_num_interp(struct si_shader *ps) |
| { |
| struct si_shader_info *info = &ps->selector->info; |
| unsigned num_colors = !!(info->colors_read & 0x0f) + !!(info->colors_read & 0xf0); |
| unsigned num_interp = |
| ps->selector->info.num_inputs + (ps->key.part.ps.prolog.color_two_side ? num_colors : 0); |
| |
| assert(num_interp <= 32); |
| return MIN2(num_interp, 32); |
| } |
| |
| static unsigned si_get_spi_shader_col_format(struct si_shader *shader) |
| { |
| unsigned spi_shader_col_format = shader->key.part.ps.epilog.spi_shader_col_format; |
| unsigned value = 0, num_mrts = 0; |
| unsigned i, num_targets = (util_last_bit(spi_shader_col_format) + 3) / 4; |
| |
| /* Remove holes in spi_shader_col_format. */ |
| for (i = 0; i < num_targets; i++) { |
| unsigned spi_format = (spi_shader_col_format >> (i * 4)) & 0xf; |
| |
| if (spi_format) { |
| value |= spi_format << (num_mrts * 4); |
| num_mrts++; |
| } |
| } |
| |
| return value; |
| } |
| |
| static void si_emit_shader_ps(struct si_context *sctx) |
| { |
| struct si_shader *shader = sctx->queued.named.ps->shader; |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| |
| if (!shader) |
| return; |
| |
| /* R_0286CC_SPI_PS_INPUT_ENA, R_0286D0_SPI_PS_INPUT_ADDR*/ |
| radeon_opt_set_context_reg2(sctx, R_0286CC_SPI_PS_INPUT_ENA, SI_TRACKED_SPI_PS_INPUT_ENA, |
| shader->ctx_reg.ps.spi_ps_input_ena, |
| shader->ctx_reg.ps.spi_ps_input_addr); |
| |
| radeon_opt_set_context_reg(sctx, R_0286E0_SPI_BARYC_CNTL, SI_TRACKED_SPI_BARYC_CNTL, |
| shader->ctx_reg.ps.spi_baryc_cntl); |
| radeon_opt_set_context_reg(sctx, R_0286D8_SPI_PS_IN_CONTROL, SI_TRACKED_SPI_PS_IN_CONTROL, |
| shader->ctx_reg.ps.spi_ps_in_control); |
| |
| /* R_028710_SPI_SHADER_Z_FORMAT, R_028714_SPI_SHADER_COL_FORMAT */ |
| radeon_opt_set_context_reg2(sctx, R_028710_SPI_SHADER_Z_FORMAT, SI_TRACKED_SPI_SHADER_Z_FORMAT, |
| shader->ctx_reg.ps.spi_shader_z_format, |
| shader->ctx_reg.ps.spi_shader_col_format); |
| |
| radeon_opt_set_context_reg(sctx, R_02823C_CB_SHADER_MASK, SI_TRACKED_CB_SHADER_MASK, |
| shader->ctx_reg.ps.cb_shader_mask); |
| |
| if (initial_cdw != sctx->gfx_cs->current.cdw) |
| sctx->context_roll = true; |
| } |
| |
| static void si_shader_ps(struct si_screen *sscreen, struct si_shader *shader) |
| { |
| struct si_shader_info *info = &shader->selector->info; |
| struct si_pm4_state *pm4; |
| unsigned spi_ps_in_control, spi_shader_col_format, cb_shader_mask; |
| unsigned spi_baryc_cntl = S_0286E0_FRONT_FACE_ALL_BITS(1); |
| uint64_t va; |
| unsigned input_ena = shader->config.spi_ps_input_ena; |
| |
| /* we need to enable at least one of them, otherwise we hang the GPU */ |
| assert(G_0286CC_PERSP_SAMPLE_ENA(input_ena) || G_0286CC_PERSP_CENTER_ENA(input_ena) || |
| G_0286CC_PERSP_CENTROID_ENA(input_ena) || G_0286CC_PERSP_PULL_MODEL_ENA(input_ena) || |
| G_0286CC_LINEAR_SAMPLE_ENA(input_ena) || G_0286CC_LINEAR_CENTER_ENA(input_ena) || |
| G_0286CC_LINEAR_CENTROID_ENA(input_ena) || G_0286CC_LINE_STIPPLE_TEX_ENA(input_ena)); |
| /* POS_W_FLOAT_ENA requires one of the perspective weights. */ |
| assert(!G_0286CC_POS_W_FLOAT_ENA(input_ena) || G_0286CC_PERSP_SAMPLE_ENA(input_ena) || |
| G_0286CC_PERSP_CENTER_ENA(input_ena) || G_0286CC_PERSP_CENTROID_ENA(input_ena) || |
| G_0286CC_PERSP_PULL_MODEL_ENA(input_ena)); |
| |
| /* Validate interpolation optimization flags (read as implications). */ |
| assert(!shader->key.part.ps.prolog.bc_optimize_for_persp || |
| (G_0286CC_PERSP_CENTER_ENA(input_ena) && G_0286CC_PERSP_CENTROID_ENA(input_ena))); |
| assert(!shader->key.part.ps.prolog.bc_optimize_for_linear || |
| (G_0286CC_LINEAR_CENTER_ENA(input_ena) && G_0286CC_LINEAR_CENTROID_ENA(input_ena))); |
| assert(!shader->key.part.ps.prolog.force_persp_center_interp || |
| (!G_0286CC_PERSP_SAMPLE_ENA(input_ena) && !G_0286CC_PERSP_CENTROID_ENA(input_ena))); |
| assert(!shader->key.part.ps.prolog.force_linear_center_interp || |
| (!G_0286CC_LINEAR_SAMPLE_ENA(input_ena) && !G_0286CC_LINEAR_CENTROID_ENA(input_ena))); |
| assert(!shader->key.part.ps.prolog.force_persp_sample_interp || |
| (!G_0286CC_PERSP_CENTER_ENA(input_ena) && !G_0286CC_PERSP_CENTROID_ENA(input_ena))); |
| assert(!shader->key.part.ps.prolog.force_linear_sample_interp || |
| (!G_0286CC_LINEAR_CENTER_ENA(input_ena) && !G_0286CC_LINEAR_CENTROID_ENA(input_ena))); |
| |
| /* Validate cases when the optimizations are off (read as implications). */ |
| assert(shader->key.part.ps.prolog.bc_optimize_for_persp || |
| !G_0286CC_PERSP_CENTER_ENA(input_ena) || !G_0286CC_PERSP_CENTROID_ENA(input_ena)); |
| assert(shader->key.part.ps.prolog.bc_optimize_for_linear || |
| !G_0286CC_LINEAR_CENTER_ENA(input_ena) || !G_0286CC_LINEAR_CENTROID_ENA(input_ena)); |
| |
| pm4 = si_get_shader_pm4_state(shader); |
| if (!pm4) |
| return; |
| |
| /* If multiple state sets are allowed to be in a bin, break the batch on a new PS. */ |
| if (sscreen->dpbb_allowed && |
| (sscreen->pbb_context_states_per_bin > 1 || |
| sscreen->pbb_persistent_states_per_bin > 1)) { |
| si_pm4_cmd_add(pm4, PKT3(PKT3_EVENT_WRITE, 0, 0)); |
| si_pm4_cmd_add(pm4, EVENT_TYPE(V_028A90_BREAK_BATCH) | EVENT_INDEX(0)); |
| } |
| |
| pm4->atom.emit = si_emit_shader_ps; |
| |
| /* SPI_BARYC_CNTL.POS_FLOAT_LOCATION |
| * Possible vaules: |
| * 0 -> Position = pixel center |
| * 1 -> Position = pixel centroid |
| * 2 -> Position = at sample position |
| * |
| * From GLSL 4.5 specification, section 7.1: |
| * "The variable gl_FragCoord is available as an input variable from |
| * within fragment shaders and it holds the window relative coordinates |
| * (x, y, z, 1/w) values for the fragment. If multi-sampling, this |
| * value can be for any location within the pixel, or one of the |
| * fragment samples. The use of centroid does not further restrict |
| * this value to be inside the current primitive." |
| * |
| * Meaning that centroid has no effect and we can return anything within |
| * the pixel. Thus, return the value at sample position, because that's |
| * the most accurate one shaders can get. |
| */ |
| spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(2); |
| |
| if (info->base.fs.pixel_center_integer) |
| spi_baryc_cntl |= S_0286E0_POS_FLOAT_ULC(1); |
| |
| spi_shader_col_format = si_get_spi_shader_col_format(shader); |
| cb_shader_mask = ac_get_cb_shader_mask(shader->key.part.ps.epilog.spi_shader_col_format); |
| |
| /* Ensure that some export memory is always allocated, for two reasons: |
| * |
| * 1) Correctness: The hardware ignores the EXEC mask if no export |
| * memory is allocated, so KILL and alpha test do not work correctly |
| * without this. |
| * 2) Performance: Every shader needs at least a NULL export, even when |
| * it writes no color/depth output. The NULL export instruction |
| * stalls without this setting. |
| * |
| * Don't add this to CB_SHADER_MASK. |
| * |
| * GFX10 supports pixel shaders without exports by setting both |
| * the color and Z formats to SPI_SHADER_ZERO. The hw will skip export |
| * instructions if any are present. |
| */ |
| if ((sscreen->info.chip_class <= GFX9 || info->base.fs.uses_discard || |
| shader->key.part.ps.epilog.alpha_func != PIPE_FUNC_ALWAYS) && |
| !spi_shader_col_format && !info->writes_z && !info->writes_stencil && |
| !info->writes_samplemask) |
| spi_shader_col_format = V_028714_SPI_SHADER_32_R; |
| |
| shader->ctx_reg.ps.spi_ps_input_ena = input_ena; |
| shader->ctx_reg.ps.spi_ps_input_addr = shader->config.spi_ps_input_addr; |
| |
| /* Set interpolation controls. */ |
| spi_ps_in_control = S_0286D8_NUM_INTERP(si_get_ps_num_interp(shader)) | |
| S_0286D8_PS_W32_EN(sscreen->ps_wave_size == 32); |
| |
| shader->ctx_reg.ps.spi_baryc_cntl = spi_baryc_cntl; |
| shader->ctx_reg.ps.spi_ps_in_control = spi_ps_in_control; |
| shader->ctx_reg.ps.spi_shader_z_format = |
| ac_get_spi_shader_z_format(info->writes_z, info->writes_stencil, info->writes_samplemask); |
| shader->ctx_reg.ps.spi_shader_col_format = spi_shader_col_format; |
| shader->ctx_reg.ps.cb_shader_mask = cb_shader_mask; |
| |
| va = shader->bo->gpu_address; |
| si_pm4_set_reg(pm4, R_00B020_SPI_SHADER_PGM_LO_PS, va >> 8); |
| si_pm4_set_reg(pm4, R_00B024_SPI_SHADER_PGM_HI_PS, S_00B024_MEM_BASE(va >> 40)); |
| |
| uint32_t rsrc1 = |
| S_00B028_VGPRS((shader->config.num_vgprs - 1) / (sscreen->ps_wave_size == 32 ? 8 : 4)) | |
| S_00B028_DX10_CLAMP(1) | S_00B028_MEM_ORDERED(sscreen->info.chip_class >= GFX10) | |
| S_00B028_FLOAT_MODE(shader->config.float_mode); |
| |
| if (sscreen->info.chip_class < GFX10) { |
| rsrc1 |= S_00B028_SGPRS((shader->config.num_sgprs - 1) / 8); |
| } |
| |
| si_pm4_set_reg(pm4, R_00B028_SPI_SHADER_PGM_RSRC1_PS, rsrc1); |
| si_pm4_set_reg(pm4, R_00B02C_SPI_SHADER_PGM_RSRC2_PS, |
| S_00B02C_EXTRA_LDS_SIZE(shader->config.lds_size) | |
| S_00B02C_USER_SGPR(SI_PS_NUM_USER_SGPR) | |
| S_00B32C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0)); |
| } |
| |
| static void si_shader_init_pm4_state(struct si_screen *sscreen, struct si_shader *shader) |
| { |
| switch (shader->selector->info.stage) { |
| case MESA_SHADER_VERTEX: |
| if (shader->key.as_ls) |
| si_shader_ls(sscreen, shader); |
| else if (shader->key.as_es) |
| si_shader_es(sscreen, shader); |
| else if (shader->key.as_ngg) |
| gfx10_shader_ngg(sscreen, shader); |
| else |
| si_shader_vs(sscreen, shader, NULL); |
| break; |
| case MESA_SHADER_TESS_CTRL: |
| si_shader_hs(sscreen, shader); |
| break; |
| case MESA_SHADER_TESS_EVAL: |
| if (shader->key.as_es) |
| si_shader_es(sscreen, shader); |
| else if (shader->key.as_ngg) |
| gfx10_shader_ngg(sscreen, shader); |
| else |
| si_shader_vs(sscreen, shader, NULL); |
| break; |
| case MESA_SHADER_GEOMETRY: |
| if (shader->key.as_ngg) |
| gfx10_shader_ngg(sscreen, shader); |
| else |
| si_shader_gs(sscreen, shader); |
| break; |
| case MESA_SHADER_FRAGMENT: |
| si_shader_ps(sscreen, shader); |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| static unsigned si_get_alpha_test_func(struct si_context *sctx) |
| { |
| /* Alpha-test should be disabled if colorbuffer 0 is integer. */ |
| return sctx->queued.named.dsa->alpha_func; |
| } |
| |
| void si_shader_selector_key_vs(struct si_context *sctx, struct si_shader_selector *vs, |
| struct si_shader_key *key, struct si_vs_prolog_bits *prolog_key) |
| { |
| if (!sctx->vertex_elements || vs->info.base.vs.blit_sgprs_amd) |
| return; |
| |
| struct si_vertex_elements *elts = sctx->vertex_elements; |
| |
| prolog_key->instance_divisor_is_one = elts->instance_divisor_is_one; |
| prolog_key->instance_divisor_is_fetched = elts->instance_divisor_is_fetched; |
| prolog_key->unpack_instance_id_from_vertex_id = sctx->prim_discard_cs_instancing; |
| |
| /* Prefer a monolithic shader to allow scheduling divisions around |
| * VBO loads. */ |
| if (prolog_key->instance_divisor_is_fetched) |
| key->opt.prefer_mono = 1; |
| |
| unsigned count = MIN2(vs->info.num_inputs, elts->count); |
| unsigned count_mask = (1 << count) - 1; |
| unsigned fix = elts->fix_fetch_always & count_mask; |
| unsigned opencode = elts->fix_fetch_opencode & count_mask; |
| |
| if (sctx->vertex_buffer_unaligned & elts->vb_alignment_check_mask) { |
| uint32_t mask = elts->fix_fetch_unaligned & count_mask; |
| while (mask) { |
| unsigned i = u_bit_scan(&mask); |
| unsigned log_hw_load_size = 1 + ((elts->hw_load_is_dword >> i) & 1); |
| unsigned vbidx = elts->vertex_buffer_index[i]; |
| struct pipe_vertex_buffer *vb = &sctx->vertex_buffer[vbidx]; |
| unsigned align_mask = (1 << log_hw_load_size) - 1; |
| if (vb->buffer_offset & align_mask || vb->stride & align_mask) { |
| fix |= 1 << i; |
| opencode |= 1 << i; |
| } |
| } |
| } |
| |
| while (fix) { |
| unsigned i = u_bit_scan(&fix); |
| key->mono.vs_fix_fetch[i].bits = elts->fix_fetch[i]; |
| } |
| key->mono.vs_fetch_opencode = opencode; |
| } |
| |
| static void si_shader_selector_key_hw_vs(struct si_context *sctx, struct si_shader_selector *vs, |
| struct si_shader_key *key) |
| { |
| struct si_shader_selector *ps = sctx->ps_shader.cso; |
| |
| key->opt.kill_clip_distances = vs->clipdist_mask & ~sctx->queued.named.rasterizer->clip_plane_enable; |
| |
| /* Find out if PS is disabled. */ |
| bool ps_disabled = true; |
| if (ps) { |
| bool ps_modifies_zs = ps->info.base.fs.uses_discard || ps->info.writes_z || ps->info.writes_stencil || |
| ps->info.writes_samplemask || |
| sctx->queued.named.blend->alpha_to_coverage || |
| si_get_alpha_test_func(sctx) != PIPE_FUNC_ALWAYS; |
| unsigned ps_colormask = si_get_total_colormask(sctx); |
| |
| ps_disabled = sctx->queued.named.rasterizer->rasterizer_discard || |
| (!ps_colormask && !ps_modifies_zs && !ps->info.base.writes_memory); |
| } |
| |
| /* Find out which VS outputs aren't used by the PS. */ |
| uint64_t outputs_written = vs->outputs_written_before_ps; |
| uint64_t inputs_read = 0; |
| |
| /* Ignore outputs that are not passed from VS to PS. */ |
| outputs_written &= ~((1ull << si_shader_io_get_unique_index(VARYING_SLOT_POS, true)) | |
| (1ull << si_shader_io_get_unique_index(VARYING_SLOT_PSIZ, true)) | |
| (1ull << si_shader_io_get_unique_index(VARYING_SLOT_CLIP_VERTEX, true))); |
| |
| if (!ps_disabled) { |
| inputs_read = ps->inputs_read; |
| } |
| |
| uint64_t linked = outputs_written & inputs_read; |
| |
| key->opt.kill_outputs = ~linked & outputs_written; |
| |
| if (vs->info.stage != MESA_SHADER_GEOMETRY) { |
| key->opt.ngg_culling = sctx->ngg_culling; |
| |
| if (sctx->ps_shader.cso && sctx->ps_shader.cso->info.uses_primid) |
| key->mono.u.vs_export_prim_id = 1; |
| } |
| |
| /* We need PKT3_CONTEXT_REG_RMW, which we currently only use on GFX10+. */ |
| if (sctx->chip_class >= GFX10 && |
| vs->info.writes_psize && |
| sctx->current_rast_prim != PIPE_PRIM_POINTS && |
| !sctx->queued.named.rasterizer->polygon_mode_is_points) |
| key->opt.kill_pointsize = 1; |
| } |
| |
| /* Compute the key for the hw shader variant */ |
| static inline void si_shader_selector_key(struct pipe_context *ctx, struct si_shader_selector *sel, |
| union si_vgt_stages_key stages_key, |
| struct si_shader_key *key) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| |
| memset(key, 0, sizeof(*key)); |
| |
| switch (sel->info.stage) { |
| case MESA_SHADER_VERTEX: |
| si_shader_selector_key_vs(sctx, sel, key, &key->part.vs.prolog); |
| |
| if (sctx->tes_shader.cso) |
| key->as_ls = 1; |
| else if (sctx->gs_shader.cso) { |
| key->as_es = 1; |
| key->as_ngg = stages_key.u.ngg; |
| } else { |
| key->as_ngg = stages_key.u.ngg; |
| si_shader_selector_key_hw_vs(sctx, sel, key); |
| } |
| break; |
| case MESA_SHADER_TESS_CTRL: |
| if (sctx->chip_class >= GFX9) { |
| si_shader_selector_key_vs(sctx, sctx->vs_shader.cso, key, &key->part.tcs.ls_prolog); |
| key->part.tcs.ls = sctx->vs_shader.cso; |
| |
| /* When the LS VGPR fix is needed, monolithic shaders |
| * can: |
| * - avoid initializing EXEC in both the LS prolog |
| * and the LS main part when !vs_needs_prolog |
| * - remove the fixup for unused input VGPRs |
| */ |
| key->part.tcs.ls_prolog.ls_vgpr_fix = sctx->ls_vgpr_fix; |
| |
| /* The LS output / HS input layout can be communicated |
| * directly instead of via user SGPRs for merged LS-HS. |
| * The LS VGPR fix prefers this too. |
| */ |
| key->opt.prefer_mono = 1; |
| } |
| |
| key->part.tcs.epilog.prim_mode = |
| sctx->tes_shader.cso->info.base.tess.primitive_mode; |
| key->part.tcs.epilog.invoc0_tess_factors_are_def = |
| sel->info.tessfactors_are_def_in_all_invocs; |
| key->part.tcs.epilog.tes_reads_tess_factors = sctx->tes_shader.cso->info.reads_tess_factors; |
| |
| if (sel == sctx->fixed_func_tcs_shader.cso) |
| key->mono.u.ff_tcs_inputs_to_copy = sctx->vs_shader.cso->outputs_written; |
| break; |
| case MESA_SHADER_TESS_EVAL: |
| key->as_ngg = stages_key.u.ngg; |
| |
| if (sctx->gs_shader.cso) |
| key->as_es = 1; |
| else { |
| si_shader_selector_key_hw_vs(sctx, sel, key); |
| } |
| break; |
| case MESA_SHADER_GEOMETRY: |
| if (sctx->chip_class >= GFX9) { |
| if (sctx->tes_shader.cso) { |
| key->part.gs.es = sctx->tes_shader.cso; |
| } else { |
| si_shader_selector_key_vs(sctx, sctx->vs_shader.cso, key, &key->part.gs.vs_prolog); |
| key->part.gs.es = sctx->vs_shader.cso; |
| key->part.gs.prolog.gfx9_prev_is_vs = 1; |
| } |
| |
| key->as_ngg = stages_key.u.ngg; |
| |
| /* Only NGG can eliminate GS outputs, because the code is shared with VS. */ |
| if (stages_key.u.ngg) |
| si_shader_selector_key_hw_vs(sctx, sel, key); |
| |
| /* Merged ES-GS can have unbalanced wave usage. |
| * |
| * ES threads are per-vertex, while GS threads are |
| * per-primitive. So without any amplification, there |
| * are fewer GS threads than ES threads, which can result |
| * in empty (no-op) GS waves. With too much amplification, |
| * there are more GS threads than ES threads, which |
| * can result in empty (no-op) ES waves. |
| * |
| * Non-monolithic shaders are implemented by setting EXEC |
| * at the beginning of shader parts, and don't jump to |
| * the end if EXEC is 0. |
| * |
| * Monolithic shaders use conditional blocks, so they can |
| * jump and skip empty waves of ES or GS. So set this to |
| * always use optimized variants, which are monolithic. |
| */ |
| key->opt.prefer_mono = 1; |
| } |
| key->part.gs.prolog.tri_strip_adj_fix = sctx->gs_tri_strip_adj_fix; |
| break; |
| case MESA_SHADER_FRAGMENT: { |
| struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; |
| struct si_state_blend *blend = sctx->queued.named.blend; |
| |
| if (sel->info.color0_writes_all_cbufs && |
| sel->info.colors_written == 0x1) |
| key->part.ps.epilog.last_cbuf = MAX2(sctx->framebuffer.state.nr_cbufs, 1) - 1; |
| |
| /* Select the shader color format based on whether |
| * blending or alpha are needed. |
| */ |
| key->part.ps.epilog.spi_shader_col_format = |
| (blend->blend_enable_4bit & blend->need_src_alpha_4bit & |
| sctx->framebuffer.spi_shader_col_format_blend_alpha) | |
| (blend->blend_enable_4bit & ~blend->need_src_alpha_4bit & |
| sctx->framebuffer.spi_shader_col_format_blend) | |
| (~blend->blend_enable_4bit & blend->need_src_alpha_4bit & |
| sctx->framebuffer.spi_shader_col_format_alpha) | |
| (~blend->blend_enable_4bit & ~blend->need_src_alpha_4bit & |
| sctx->framebuffer.spi_shader_col_format); |
| key->part.ps.epilog.spi_shader_col_format &= blend->cb_target_enabled_4bit; |
| |
| /* The output for dual source blending should have |
| * the same format as the first output. |
| */ |
| if (blend->dual_src_blend) { |
| key->part.ps.epilog.spi_shader_col_format |= |
| (key->part.ps.epilog.spi_shader_col_format & 0xf) << 4; |
| } |
| |
| /* If alpha-to-coverage is enabled, we have to export alpha |
| * even if there is no color buffer. |
| */ |
| if (!(key->part.ps.epilog.spi_shader_col_format & 0xf) && blend->alpha_to_coverage) |
| key->part.ps.epilog.spi_shader_col_format |= V_028710_SPI_SHADER_32_AR; |
| |
| /* On GFX6 and GFX7 except Hawaii, the CB doesn't clamp outputs |
| * to the range supported by the type if a channel has less |
| * than 16 bits and the export format is 16_ABGR. |
| */ |
| if (sctx->chip_class <= GFX7 && sctx->family != CHIP_HAWAII) { |
| key->part.ps.epilog.color_is_int8 = sctx->framebuffer.color_is_int8; |
| key->part.ps.epilog.color_is_int10 = sctx->framebuffer.color_is_int10; |
| } |
| |
| /* Disable unwritten outputs (if WRITE_ALL_CBUFS isn't enabled). */ |
| if (!key->part.ps.epilog.last_cbuf) { |
| key->part.ps.epilog.spi_shader_col_format &= sel->colors_written_4bit; |
| key->part.ps.epilog.color_is_int8 &= sel->info.colors_written; |
| key->part.ps.epilog.color_is_int10 &= sel->info.colors_written; |
| } |
| |
| bool is_poly = !util_prim_is_points_or_lines(sctx->current_rast_prim); |
| bool is_line = util_prim_is_lines(sctx->current_rast_prim); |
| |
| key->part.ps.prolog.color_two_side = rs->two_side && sel->info.colors_read; |
| key->part.ps.prolog.flatshade_colors = rs->flatshade && sel->info.colors_read; |
| |
| key->part.ps.epilog.alpha_to_one = blend->alpha_to_one && rs->multisample_enable; |
| |
| key->part.ps.prolog.poly_stipple = rs->poly_stipple_enable && is_poly; |
| key->part.ps.epilog.poly_line_smoothing = |
| ((is_poly && rs->poly_smooth) || (is_line && rs->line_smooth)) && |
| sctx->framebuffer.nr_samples <= 1; |
| key->part.ps.epilog.clamp_color = rs->clamp_fragment_color; |
| |
| if (sctx->ps_iter_samples > 1 && sel->info.reads_samplemask) { |
| key->part.ps.prolog.samplemask_log_ps_iter = util_logbase2(sctx->ps_iter_samples); |
| } |
| |
| if (rs->force_persample_interp && rs->multisample_enable && |
| sctx->framebuffer.nr_samples > 1 && sctx->ps_iter_samples > 1) { |
| key->part.ps.prolog.force_persp_sample_interp = |
| sel->info.uses_persp_center || sel->info.uses_persp_centroid; |
| |
| key->part.ps.prolog.force_linear_sample_interp = |
| sel->info.uses_linear_center || sel->info.uses_linear_centroid; |
| } else if (rs->multisample_enable && sctx->framebuffer.nr_samples > 1) { |
| key->part.ps.prolog.bc_optimize_for_persp = |
| sel->info.uses_persp_center && sel->info.uses_persp_centroid; |
| key->part.ps.prolog.bc_optimize_for_linear = |
| sel->info.uses_linear_center && sel->info.uses_linear_centroid; |
| } else { |
| /* Make sure SPI doesn't compute more than 1 pair |
| * of (i,j), which is the optimization here. */ |
| key->part.ps.prolog.force_persp_center_interp = sel->info.uses_persp_center + |
| sel->info.uses_persp_centroid + |
| sel->info.uses_persp_sample > |
| 1; |
| |
| key->part.ps.prolog.force_linear_center_interp = sel->info.uses_linear_center + |
| sel->info.uses_linear_centroid + |
| sel->info.uses_linear_sample > |
| 1; |
| |
| if (sel->info.uses_interp_at_sample) |
| key->mono.u.ps.interpolate_at_sample_force_center = 1; |
| } |
| |
| key->part.ps.epilog.alpha_func = si_get_alpha_test_func(sctx); |
| |
| /* ps_uses_fbfetch is true only if the color buffer is bound. */ |
| if (sctx->ps_uses_fbfetch && !sctx->blitter->running) { |
| struct pipe_surface *cb0 = sctx->framebuffer.state.cbufs[0]; |
| struct pipe_resource *tex = cb0->texture; |
| |
| /* 1D textures are allocated and used as 2D on GFX9. */ |
| key->mono.u.ps.fbfetch_msaa = sctx->framebuffer.nr_samples > 1; |
| key->mono.u.ps.fbfetch_is_1D = |
| sctx->chip_class != GFX9 && |
| (tex->target == PIPE_TEXTURE_1D || tex->target == PIPE_TEXTURE_1D_ARRAY); |
| key->mono.u.ps.fbfetch_layered = |
| tex->target == PIPE_TEXTURE_1D_ARRAY || tex->target == PIPE_TEXTURE_2D_ARRAY || |
| tex->target == PIPE_TEXTURE_CUBE || tex->target == PIPE_TEXTURE_CUBE_ARRAY || |
| tex->target == PIPE_TEXTURE_3D; |
| } |
| break; |
| } |
| default: |
| assert(0); |
| } |
| |
| if (unlikely(sctx->screen->debug_flags & DBG(NO_OPT_VARIANT))) |
| memset(&key->opt, 0, sizeof(key->opt)); |
| } |
| |
| static void si_build_shader_variant(struct si_shader *shader, int thread_index, bool low_priority) |
| { |
| struct si_shader_selector *sel = shader->selector; |
| struct si_screen *sscreen = sel->screen; |
| struct ac_llvm_compiler *compiler; |
| struct pipe_debug_callback *debug = &shader->compiler_ctx_state.debug; |
| |
| if (thread_index >= 0) { |
| if (low_priority) { |
| assert(thread_index < ARRAY_SIZE(sscreen->compiler_lowp)); |
| compiler = &sscreen->compiler_lowp[thread_index]; |
| } else { |
| assert(thread_index < ARRAY_SIZE(sscreen->compiler)); |
| compiler = &sscreen->compiler[thread_index]; |
| } |
| if (!debug->async) |
| debug = NULL; |
| } else { |
| assert(!low_priority); |
| compiler = shader->compiler_ctx_state.compiler; |
| } |
| |
| if (!compiler->passes) |
| si_init_compiler(sscreen, compiler); |
| |
| if (unlikely(!si_create_shader_variant(sscreen, compiler, shader, debug))) { |
| PRINT_ERR("Failed to build shader variant (type=%u)\n", sel->info.stage); |
| shader->compilation_failed = true; |
| return; |
| } |
| |
| if (shader->compiler_ctx_state.is_debug_context) { |
| FILE *f = open_memstream(&shader->shader_log, &shader->shader_log_size); |
| if (f) { |
| si_shader_dump(sscreen, shader, NULL, f, false); |
| fclose(f); |
| } |
| } |
| |
| si_shader_init_pm4_state(sscreen, shader); |
| } |
| |
| static void si_build_shader_variant_low_priority(void *job, int thread_index) |
| { |
| struct si_shader *shader = (struct si_shader *)job; |
| |
| assert(thread_index >= 0); |
| |
| si_build_shader_variant(shader, thread_index, true); |
| } |
| |
| static const struct si_shader_key zeroed; |
| |
| static bool si_check_missing_main_part(struct si_screen *sscreen, struct si_shader_selector *sel, |
| struct si_compiler_ctx_state *compiler_state, |
| struct si_shader_key *key) |
| { |
| struct si_shader **mainp = si_get_main_shader_part(sel, key); |
| |
| if (!*mainp) { |
| struct si_shader *main_part = CALLOC_STRUCT(si_shader); |
| |
| if (!main_part) |
| return false; |
| |
| /* We can leave the fence as permanently signaled because the |
| * main part becomes visible globally only after it has been |
| * compiled. */ |
| util_queue_fence_init(&main_part->ready); |
| |
| main_part->selector = sel; |
| main_part->key.as_es = key->as_es; |
| main_part->key.as_ls = key->as_ls; |
| main_part->key.as_ngg = key->as_ngg; |
| main_part->is_monolithic = false; |
| |
| if (!si_compile_shader(sscreen, compiler_state->compiler, main_part, |
| &compiler_state->debug)) { |
| FREE(main_part); |
| return false; |
| } |
| *mainp = main_part; |
| } |
| return true; |
| } |
| |
| /** |
| * Select a shader variant according to the shader key. |
| * |
| * \param optimized_or_none If the key describes an optimized shader variant and |
| * the compilation isn't finished, don't select any |
| * shader and return an error. |
| */ |
| int si_shader_select_with_key(struct si_screen *sscreen, struct si_shader_ctx_state *state, |
| struct si_compiler_ctx_state *compiler_state, |
| struct si_shader_key *key, int thread_index, bool optimized_or_none) |
| { |
| struct si_shader_selector *sel = state->cso; |
| struct si_shader_selector *previous_stage_sel = NULL; |
| struct si_shader *current = state->current; |
| struct si_shader *iter, *shader = NULL; |
| |
| again: |
| /* Check if we don't need to change anything. |
| * This path is also used for most shaders that don't need multiple |
| * variants, it will cost just a computation of the key and this |
| * test. */ |
| if (likely(current && memcmp(¤t->key, key, sizeof(*key)) == 0)) { |
| if (unlikely(!util_queue_fence_is_signalled(¤t->ready))) { |
| if (current->is_optimized) { |
| if (optimized_or_none) |
| return -1; |
| |
| memset(&key->opt, 0, sizeof(key->opt)); |
| goto current_not_ready; |
| } |
| |
| util_queue_fence_wait(¤t->ready); |
| } |
| |
| return current->compilation_failed ? -1 : 0; |
| } |
| current_not_ready: |
| |
| /* This must be done before the mutex is locked, because async GS |
| * compilation calls this function too, and therefore must enter |
| * the mutex first. |
| * |
| * Only wait if we are in a draw call. Don't wait if we are |
| * in a compiler thread. |
| */ |
| if (thread_index < 0) |
| util_queue_fence_wait(&sel->ready); |
| |
| simple_mtx_lock(&sel->mutex); |
| |
| /* Find the shader variant. */ |
| for (iter = sel->first_variant; iter; iter = iter->next_variant) { |
| /* Don't check the "current" shader. We checked it above. */ |
| if (current != iter && memcmp(&iter->key, key, sizeof(*key)) == 0) { |
| simple_mtx_unlock(&sel->mutex); |
| |
| if (unlikely(!util_queue_fence_is_signalled(&iter->ready))) { |
| /* If it's an optimized shader and its compilation has |
| * been started but isn't done, use the unoptimized |
| * shader so as not to cause a stall due to compilation. |
| */ |
| if (iter->is_optimized) { |
| if (optimized_or_none) |
| return -1; |
| memset(&key->opt, 0, sizeof(key->opt)); |
| goto again; |
| } |
| |
| util_queue_fence_wait(&iter->ready); |
| } |
| |
| if (iter->compilation_failed) { |
| return -1; /* skip the draw call */ |
| } |
| |
| state->current = iter; |
| return 0; |
| } |
| } |
| |
| /* Build a new shader. */ |
| shader = CALLOC_STRUCT(si_shader); |
| if (!shader) { |
| simple_mtx_unlock(&sel->mutex); |
| return -ENOMEM; |
| } |
| |
| util_queue_fence_init(&shader->ready); |
| |
| shader->selector = sel; |
| shader->key = *key; |
| shader->compiler_ctx_state = *compiler_state; |
| |
| /* If this is a merged shader, get the first shader's selector. */ |
| if (sscreen->info.chip_class >= GFX9) { |
| if (sel->info.stage == MESA_SHADER_TESS_CTRL) |
| previous_stage_sel = key->part.tcs.ls; |
| else if (sel->info.stage == MESA_SHADER_GEOMETRY) |
| previous_stage_sel = key->part.gs.es; |
| |
| /* We need to wait for the previous shader. */ |
| if (previous_stage_sel && thread_index < 0) |
| util_queue_fence_wait(&previous_stage_sel->ready); |
| } |
| |
| bool is_pure_monolithic = |
| sscreen->use_monolithic_shaders || memcmp(&key->mono, &zeroed.mono, sizeof(key->mono)) != 0; |
| |
| /* Compile the main shader part if it doesn't exist. This can happen |
| * if the initial guess was wrong. |
| * |
| * The prim discard CS doesn't need the main shader part. |
| */ |
| if (!is_pure_monolithic && !key->opt.vs_as_prim_discard_cs) { |
| bool ok = true; |
| |
| /* Make sure the main shader part is present. This is needed |
| * for shaders that can be compiled as VS, LS, or ES, and only |
| * one of them is compiled at creation. |
| * |
| * It is also needed for GS, which can be compiled as non-NGG |
| * and NGG. |
| * |
| * For merged shaders, check that the starting shader's main |
| * part is present. |
| */ |
| if (previous_stage_sel) { |
| struct si_shader_key shader1_key = zeroed; |
| |
| if (sel->info.stage == MESA_SHADER_TESS_CTRL) { |
| shader1_key.as_ls = 1; |
| } else if (sel->info.stage == MESA_SHADER_GEOMETRY) { |
| shader1_key.as_es = 1; |
| shader1_key.as_ngg = key->as_ngg; /* for Wave32 vs Wave64 */ |
| } else { |
| assert(0); |
| } |
| |
| simple_mtx_lock(&previous_stage_sel->mutex); |
| ok = si_check_missing_main_part(sscreen, previous_stage_sel, compiler_state, &shader1_key); |
| simple_mtx_unlock(&previous_stage_sel->mutex); |
| } |
| |
| if (ok) { |
| ok = si_check_missing_main_part(sscreen, sel, compiler_state, key); |
| } |
| |
| if (!ok) { |
| FREE(shader); |
| simple_mtx_unlock(&sel->mutex); |
| return -ENOMEM; /* skip the draw call */ |
| } |
| } |
| |
| /* Keep the reference to the 1st shader of merged shaders, so that |
| * Gallium can't destroy it before we destroy the 2nd shader. |
| * |
| * Set sctx = NULL, because it's unused if we're not releasing |
| * the shader, and we don't have any sctx here. |
| */ |
| si_shader_selector_reference(NULL, &shader->previous_stage_sel, previous_stage_sel); |
| |
| /* Monolithic-only shaders don't make a distinction between optimized |
| * and unoptimized. */ |
| shader->is_monolithic = |
| is_pure_monolithic || memcmp(&key->opt, &zeroed.opt, sizeof(key->opt)) != 0; |
| |
| /* The prim discard CS is always optimized. */ |
| shader->is_optimized = (!is_pure_monolithic || key->opt.vs_as_prim_discard_cs) && |
| memcmp(&key->opt, &zeroed.opt, sizeof(key->opt)) != 0; |
| |
| /* If it's an optimized shader, compile it asynchronously. */ |
| if (shader->is_optimized && thread_index < 0) { |
| /* Compile it asynchronously. */ |
| util_queue_add_job(&sscreen->shader_compiler_queue_low_priority, shader, &shader->ready, |
| si_build_shader_variant_low_priority, NULL, 0); |
| |
| /* Add only after the ready fence was reset, to guard against a |
| * race with si_bind_XX_shader. */ |
| if (!sel->last_variant) { |
| sel->first_variant = shader; |
| sel->last_variant = shader; |
| } else { |
| sel->last_variant->next_variant = shader; |
| sel->last_variant = shader; |
| } |
| |
| /* Use the default (unoptimized) shader for now. */ |
| memset(&key->opt, 0, sizeof(key->opt)); |
| simple_mtx_unlock(&sel->mutex); |
| |
| if (sscreen->options.sync_compile) |
| util_queue_fence_wait(&shader->ready); |
| |
| if (optimized_or_none) |
| return -1; |
| goto again; |
| } |
| |
| /* Reset the fence before adding to the variant list. */ |
| util_queue_fence_reset(&shader->ready); |
| |
| if (!sel->last_variant) { |
| sel->first_variant = shader; |
| sel->last_variant = shader; |
| } else { |
| sel->last_variant->next_variant = shader; |
| sel->last_variant = shader; |
| } |
| |
| simple_mtx_unlock(&sel->mutex); |
| |
| assert(!shader->is_optimized); |
| si_build_shader_variant(shader, thread_index, false); |
| |
| util_queue_fence_signal(&shader->ready); |
| |
| if (!shader->compilation_failed) |
| state->current = shader; |
| |
| return shader->compilation_failed ? -1 : 0; |
| } |
| |
| static int si_shader_select(struct pipe_context *ctx, struct si_shader_ctx_state *state, |
| union si_vgt_stages_key stages_key, |
| struct si_compiler_ctx_state *compiler_state) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_key key; |
| |
| si_shader_selector_key(ctx, state->cso, stages_key, &key); |
| return si_shader_select_with_key(sctx->screen, state, compiler_state, &key, -1, false); |
| } |
| |
| static void si_parse_next_shader_property(const struct si_shader_info *info, bool streamout, |
| struct si_shader_key *key) |
| { |
| gl_shader_stage next_shader = info->base.next_stage; |
| |
| switch (info->stage) { |
| case MESA_SHADER_VERTEX: |
| switch (next_shader) { |
| case MESA_SHADER_GEOMETRY: |
| key->as_es = 1; |
| break; |
| case MESA_SHADER_TESS_CTRL: |
| case MESA_SHADER_TESS_EVAL: |
| key->as_ls = 1; |
| break; |
| default: |
| /* If POSITION isn't written, it can only be a HW VS |
| * if streamout is used. If streamout isn't used, |
| * assume that it's a HW LS. (the next shader is TCS) |
| * This heuristic is needed for separate shader objects. |
| */ |
| if (!info->writes_position && !streamout) |
| key->as_ls = 1; |
| } |
| break; |
| |
| case MESA_SHADER_TESS_EVAL: |
| if (next_shader == MESA_SHADER_GEOMETRY || !info->writes_position) |
| key->as_es = 1; |
| break; |
| |
| default:; |
| } |
| } |
| |
| /** |
| * Compile the main shader part or the monolithic shader as part of |
| * si_shader_selector initialization. Since it can be done asynchronously, |
| * there is no way to report compile failures to applications. |
| */ |
| static void si_init_shader_selector_async(void *job, int thread_index) |
| { |
| struct si_shader_selector *sel = (struct si_shader_selector *)job; |
| struct si_screen *sscreen = sel->screen; |
| struct ac_llvm_compiler *compiler; |
| struct pipe_debug_callback *debug = &sel->compiler_ctx_state.debug; |
| |
| assert(!debug->debug_message || debug->async); |
| assert(thread_index >= 0); |
| assert(thread_index < ARRAY_SIZE(sscreen->compiler)); |
| compiler = &sscreen->compiler[thread_index]; |
| |
| if (!compiler->passes) |
| si_init_compiler(sscreen, compiler); |
| |
| /* Serialize NIR to save memory. Monolithic shader variants |
| * have to deserialize NIR before compilation. |
| */ |
| if (sel->nir) { |
| struct blob blob; |
| size_t size; |
| |
| blob_init(&blob); |
| /* true = remove optional debugging data to increase |
| * the likehood of getting more shader cache hits. |
| * It also drops variable names, so we'll save more memory. |
| */ |
| nir_serialize(&blob, sel->nir, true); |
| blob_finish_get_buffer(&blob, &sel->nir_binary, &size); |
| sel->nir_size = size; |
| } |
| |
| /* Compile the main shader part for use with a prolog and/or epilog. |
| * If this fails, the driver will try to compile a monolithic shader |
| * on demand. |
| */ |
| if (!sscreen->use_monolithic_shaders) { |
| struct si_shader *shader = CALLOC_STRUCT(si_shader); |
| unsigned char ir_sha1_cache_key[20]; |
| |
| if (!shader) { |
| fprintf(stderr, "radeonsi: can't allocate a main shader part\n"); |
| return; |
| } |
| |
| /* We can leave the fence signaled because use of the default |
| * main part is guarded by the selector's ready fence. */ |
| util_queue_fence_init(&shader->ready); |
| |
| shader->selector = sel; |
| shader->is_monolithic = false; |
| si_parse_next_shader_property(&sel->info, sel->so.num_outputs != 0, &shader->key); |
| |
| if (sscreen->use_ngg && (!sel->so.num_outputs || sscreen->use_ngg_streamout) && |
| ((sel->info.stage == MESA_SHADER_VERTEX && !shader->key.as_ls) || |
| sel->info.stage == MESA_SHADER_TESS_EVAL || sel->info.stage == MESA_SHADER_GEOMETRY)) |
| shader->key.as_ngg = 1; |
| |
| if (sel->nir) { |
| si_get_ir_cache_key(sel, shader->key.as_ngg, shader->key.as_es, ir_sha1_cache_key); |
| } |
| |
| /* Try to load the shader from the shader cache. */ |
| simple_mtx_lock(&sscreen->shader_cache_mutex); |
| |
| if (si_shader_cache_load_shader(sscreen, ir_sha1_cache_key, shader)) { |
| simple_mtx_unlock(&sscreen->shader_cache_mutex); |
| si_shader_dump_stats_for_shader_db(sscreen, shader, debug); |
| } else { |
| simple_mtx_unlock(&sscreen->shader_cache_mutex); |
| |
| /* Compile the shader if it hasn't been loaded from the cache. */ |
| if (!si_compile_shader(sscreen, compiler, shader, debug)) { |
| FREE(shader); |
| fprintf(stderr, "radeonsi: can't compile a main shader part\n"); |
| return; |
| } |
| |
| simple_mtx_lock(&sscreen->shader_cache_mutex); |
| si_shader_cache_insert_shader(sscreen, ir_sha1_cache_key, shader, true); |
| simple_mtx_unlock(&sscreen->shader_cache_mutex); |
| } |
| |
| *si_get_main_shader_part(sel, &shader->key) = shader; |
| |
| /* Unset "outputs_written" flags for outputs converted to |
| * DEFAULT_VAL, so that later inter-shader optimizations don't |
| * try to eliminate outputs that don't exist in the final |
| * shader. |
| * |
| * This is only done if non-monolithic shaders are enabled. |
| */ |
| if ((sel->info.stage == MESA_SHADER_VERTEX || |
| sel->info.stage == MESA_SHADER_TESS_EVAL || |
| sel->info.stage == MESA_SHADER_GEOMETRY) && |
| !shader->key.as_ls && !shader->key.as_es) { |
| unsigned i; |
| |
| for (i = 0; i < sel->info.num_outputs; i++) { |
| unsigned offset = shader->info.vs_output_param_offset[i]; |
| |
| if (offset <= AC_EXP_PARAM_OFFSET_31) |
| continue; |
| |
| unsigned semantic = sel->info.output_semantic[i]; |
| unsigned id; |
| |
| if (semantic < VARYING_SLOT_MAX && |
| semantic != VARYING_SLOT_POS && |
| semantic != VARYING_SLOT_PSIZ && |
| semantic != VARYING_SLOT_CLIP_VERTEX && |
| semantic != VARYING_SLOT_EDGE) { |
| id = si_shader_io_get_unique_index(semantic, true); |
| sel->outputs_written_before_ps &= ~(1ull << id); |
| } |
| } |
| } |
| } |
| |
| /* The GS copy shader is always pre-compiled. */ |
| if (sel->info.stage == MESA_SHADER_GEOMETRY && |
| (!sscreen->use_ngg || !sscreen->use_ngg_streamout || /* also for PRIMITIVES_GENERATED */ |
| sel->tess_turns_off_ngg)) { |
| sel->gs_copy_shader = si_generate_gs_copy_shader(sscreen, compiler, sel, debug); |
| if (!sel->gs_copy_shader) { |
| fprintf(stderr, "radeonsi: can't create GS copy shader\n"); |
| return; |
| } |
| |
| si_shader_vs(sscreen, sel->gs_copy_shader, sel); |
| } |
| |
| /* Free NIR. We only keep serialized NIR after this point. */ |
| if (sel->nir) { |
| ralloc_free(sel->nir); |
| sel->nir = NULL; |
| } |
| } |
| |
| void si_schedule_initial_compile(struct si_context *sctx, gl_shader_stage stage, |
| struct util_queue_fence *ready_fence, |
| struct si_compiler_ctx_state *compiler_ctx_state, void *job, |
| util_queue_execute_func execute) |
| { |
| util_queue_fence_init(ready_fence); |
| |
| struct util_async_debug_callback async_debug; |
| bool debug = (sctx->debug.debug_message && !sctx->debug.async) || sctx->is_debug || |
| si_can_dump_shader(sctx->screen, stage); |
| |
| if (debug) { |
| u_async_debug_init(&async_debug); |
| compiler_ctx_state->debug = async_debug.base; |
| } |
| |
| util_queue_add_job(&sctx->screen->shader_compiler_queue, job, ready_fence, execute, NULL, 0); |
| |
| if (debug) { |
| util_queue_fence_wait(ready_fence); |
| u_async_debug_drain(&async_debug, &sctx->debug); |
| u_async_debug_cleanup(&async_debug); |
| } |
| |
| if (sctx->screen->options.sync_compile) |
| util_queue_fence_wait(ready_fence); |
| } |
| |
| /* Return descriptor slot usage masks from the given shader info. */ |
| void si_get_active_slot_masks(const struct si_shader_info *info, uint64_t *const_and_shader_buffers, |
| uint64_t *samplers_and_images) |
| { |
| unsigned start, num_shaderbufs, num_constbufs, num_images, num_msaa_images, num_samplers; |
| |
| num_shaderbufs = info->base.num_ssbos; |
| num_constbufs = info->base.num_ubos; |
| /* two 8-byte images share one 16-byte slot */ |
| num_images = align(info->base.num_images, 2); |
| num_msaa_images = align(util_last_bit(info->base.msaa_images), 2); |
| num_samplers = util_last_bit(info->base.textures_used); |
| |
| /* The layout is: sb[last] ... sb[0], cb[0] ... cb[last] */ |
| start = si_get_shaderbuf_slot(num_shaderbufs - 1); |
| *const_and_shader_buffers = u_bit_consecutive64(start, num_shaderbufs + num_constbufs); |
| |
| /* The layout is: |
| * - fmask[last] ... fmask[0] go to [15-last .. 15] |
| * - image[last] ... image[0] go to [31-last .. 31] |
| * - sampler[0] ... sampler[last] go to [32 .. 32+last*2] |
| * |
| * FMASKs for images are placed separately, because MSAA images are rare, |
| * and so we can benefit from a better cache hit rate if we keep image |
| * descriptors together. |
| */ |
| if (num_msaa_images) |
| num_images = SI_NUM_IMAGES + num_msaa_images; /* add FMASK descriptors */ |
| |
| start = si_get_image_slot(num_images - 1) / 2; |
| *samplers_and_images = u_bit_consecutive64(start, num_images / 2 + num_samplers); |
| } |
| |
| static void *si_create_shader_selector(struct pipe_context *ctx, |
| const struct pipe_shader_state *state) |
| { |
| struct si_screen *sscreen = (struct si_screen *)ctx->screen; |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_selector *sel = CALLOC_STRUCT(si_shader_selector); |
| int i; |
| |
| if (!sel) |
| return NULL; |
| |
| sel->screen = sscreen; |
| sel->compiler_ctx_state.debug = sctx->debug; |
| sel->compiler_ctx_state.is_debug_context = sctx->is_debug; |
| |
| sel->so = state->stream_output; |
| |
| if (state->type == PIPE_SHADER_IR_TGSI) { |
| sel->nir = tgsi_to_nir(state->tokens, ctx->screen, true); |
| } else { |
| assert(state->type == PIPE_SHADER_IR_NIR); |
| sel->nir = state->ir.nir; |
| } |
| |
| si_nir_scan_shader(sel->nir, &sel->info); |
| |
| const enum pipe_shader_type type = pipe_shader_type_from_mesa(sel->info.stage); |
| sel->const_and_shader_buf_descriptors_index = |
| si_const_and_shader_buffer_descriptors_idx(type); |
| sel->sampler_and_images_descriptors_index = |
| si_sampler_and_image_descriptors_idx(type); |
| |
| p_atomic_inc(&sscreen->num_shaders_created); |
| si_get_active_slot_masks(&sel->info, &sel->active_const_and_shader_buffers, |
| &sel->active_samplers_and_images); |
| |
| /* Record which streamout buffers are enabled. */ |
| for (i = 0; i < sel->so.num_outputs; i++) { |
| sel->enabled_streamout_buffer_mask |= (1 << sel->so.output[i].output_buffer) |
| << (sel->so.output[i].stream * 4); |
| } |
| |
| sel->num_vs_inputs = |
| sel->info.stage == MESA_SHADER_VERTEX && !sel->info.base.vs.blit_sgprs_amd |
| ? sel->info.num_inputs |
| : 0; |
| sel->num_vbos_in_user_sgprs = MIN2(sel->num_vs_inputs, sscreen->num_vbos_in_user_sgprs); |
| |
| /* The prolog is a no-op if there are no inputs. */ |
| sel->vs_needs_prolog = sel->info.stage == MESA_SHADER_VERTEX && sel->info.num_inputs && |
| !sel->info.base.vs.blit_sgprs_amd; |
| |
| sel->prim_discard_cs_allowed = |
| sel->info.stage == MESA_SHADER_VERTEX && !sel->info.uses_bindless_images && |
| !sel->info.uses_bindless_samplers && !sel->info.base.writes_memory && |
| !sel->info.writes_viewport_index && |
| !sel->info.base.vs.window_space_position && !sel->so.num_outputs; |
| |
| if (sel->info.stage == MESA_SHADER_VERTEX || |
| sel->info.stage == MESA_SHADER_TESS_CTRL || |
| sel->info.stage == MESA_SHADER_TESS_EVAL || |
| sel->info.stage == MESA_SHADER_GEOMETRY) { |
| if (sel->info.stage == MESA_SHADER_TESS_CTRL) { |
| /* Always reserve space for these. */ |
| sel->patch_outputs_written |= |
| (1ull << si_shader_io_get_unique_index_patch(VARYING_SLOT_TESS_LEVEL_INNER)) | |
| (1ull << si_shader_io_get_unique_index_patch(VARYING_SLOT_TESS_LEVEL_OUTER)); |
| } |
| for (i = 0; i < sel->info.num_outputs; i++) { |
| unsigned semantic = sel->info.output_semantic[i]; |
| |
| if (semantic == VARYING_SLOT_TESS_LEVEL_INNER || |
| semantic == VARYING_SLOT_TESS_LEVEL_OUTER || |
| (semantic >= VARYING_SLOT_PATCH0 && semantic < VARYING_SLOT_TESS_MAX)) { |
| sel->patch_outputs_written |= 1ull << si_shader_io_get_unique_index_patch(semantic); |
| } else if (semantic < VARYING_SLOT_MAX && |
| semantic != VARYING_SLOT_EDGE) { |
| sel->outputs_written |= 1ull << si_shader_io_get_unique_index(semantic, false); |
| sel->outputs_written_before_ps |= 1ull |
| << si_shader_io_get_unique_index(semantic, true); |
| } |
| } |
| } |
| |
| switch (sel->info.stage) { |
| case MESA_SHADER_GEOMETRY: |
| /* Only possibilities: POINTS, LINE_STRIP, TRIANGLES */ |
| sel->rast_prim = sel->info.base.gs.output_primitive; |
| if (util_rast_prim_is_triangles(sel->rast_prim)) |
| sel->rast_prim = PIPE_PRIM_TRIANGLES; |
| |
| sel->gsvs_vertex_size = sel->info.num_outputs * 16; |
| sel->max_gsvs_emit_size = sel->gsvs_vertex_size * sel->info.base.gs.vertices_out; |
| sel->gs_input_verts_per_prim = |
| u_vertices_per_prim(sel->info.base.gs.input_primitive); |
| |
| /* EN_MAX_VERT_OUT_PER_GS_INSTANCE does not work with tesselation so |
| * we can't split workgroups. Disable ngg if any of the following conditions is true: |
| * - num_invocations * gs.vertices_out > 256 |
| * - LDS usage is too high |
| */ |
| sel->tess_turns_off_ngg = sscreen->info.chip_class >= GFX10 && |
| (sel->info.base.gs.invocations * sel->info.base.gs.vertices_out > 256 || |
| sel->info.base.gs.invocations * sel->info.base.gs.vertices_out * |
| (sel->info.num_outputs * 4 + 1) > 6500 /* max dw per GS primitive */); |
| break; |
| |
| case MESA_SHADER_VERTEX: |
| case MESA_SHADER_TESS_CTRL: |
| case MESA_SHADER_TESS_EVAL: |
| sel->esgs_itemsize = util_last_bit64(sel->outputs_written) * 16; |
| sel->lshs_vertex_stride = sel->esgs_itemsize; |
| |
| /* Add 1 dword to reduce LDS bank conflicts, so that each vertex |
| * will start on a different bank. (except for the maximum 32*16). |
| */ |
| if (sel->lshs_vertex_stride < 32 * 16) |
| sel->lshs_vertex_stride += 4; |
| |
| /* For the ESGS ring in LDS, add 1 dword to reduce LDS bank |
| * conflicts, i.e. each vertex will start at a different bank. |
| */ |
| if (sctx->chip_class >= GFX9) |
| sel->esgs_itemsize += 4; |
| |
| assert(((sel->esgs_itemsize / 4) & C_028AAC_ITEMSIZE) == 0); |
| |
| /* Only for TES: */ |
| if (sel->info.stage == MESA_SHADER_TESS_EVAL) { |
| if (sel->info.base.tess.point_mode) |
| sel->rast_prim = PIPE_PRIM_POINTS; |
| else if (sel->info.base.tess.primitive_mode == GL_LINES) |
| sel->rast_prim = PIPE_PRIM_LINE_STRIP; |
| else |
| sel->rast_prim = PIPE_PRIM_TRIANGLES; |
| } else { |
| sel->rast_prim = PIPE_PRIM_TRIANGLES; |
| } |
| break; |
| |
| case MESA_SHADER_FRAGMENT: |
| for (i = 0; i < sel->info.num_inputs; i++) { |
| unsigned semantic = sel->info.input_semantic[i]; |
| |
| if (semantic < VARYING_SLOT_MAX && |
| semantic != VARYING_SLOT_PNTC) { |
| sel->inputs_read |= 1ull << si_shader_io_get_unique_index(semantic, true); |
| } |
| } |
| |
| for (i = 0; i < 8; i++) |
| if (sel->info.colors_written & (1 << i)) |
| sel->colors_written_4bit |= 0xf << (4 * i); |
| |
| for (i = 0; i < sel->info.num_inputs; i++) { |
| if (sel->info.input_semantic[i] == VARYING_SLOT_COL0) |
| sel->color_attr_index[0] = i; |
| else if (sel->info.input_semantic[i] == VARYING_SLOT_COL1) |
| sel->color_attr_index[1] = i; |
| } |
| break; |
| default:; |
| } |
| |
| bool ngg_culling_allowed = |
| sscreen->info.chip_class >= GFX10 && |
| sscreen->info.has_dedicated_vram && |
| sscreen->use_ngg_culling && |
| (sel->info.stage == MESA_SHADER_VERTEX || |
| sel->info.stage == MESA_SHADER_TESS_EVAL) && |
| sel->info.writes_position && |
| !sel->info.writes_viewport_index && /* cull only against viewport 0 */ |
| !sel->info.base.writes_memory && !sel->so.num_outputs && |
| (sel->info.stage != MESA_SHADER_VERTEX || |
| (!sel->info.base.vs.blit_sgprs_amd && |
| !sel->info.base.vs.window_space_position)); |
| |
| sel->ngg_cull_vert_threshold = UINT_MAX; /* disabled (changed below) */ |
| sel->ngg_cull_nonindexed_fast_launch_vert_threshold = UINT_MAX; |
| |
| if (ngg_culling_allowed) { |
| if (sel->info.stage == MESA_SHADER_VERTEX) { |
| /* 1000 non-indexed vertices (roughly 8 primgroups) are needed |
| * per draw call (no TES/GS) to enable NGG culling by default. |
| */ |
| sel->ngg_cull_nonindexed_fast_launch_vert_threshold = 1000; |
| |
| if (sscreen->debug_flags & DBG(ALWAYS_NGG_CULLING_ALL)) |
| sel->ngg_cull_vert_threshold = 0; /* always enabled */ |
| else if (sscreen->options.shader_culling || |
| (sscreen->info.chip_class == GFX10_3 && |
| sscreen->info.has_dedicated_vram) || |
| (sscreen->info.chip_class == GFX10 && |
| sscreen->info.is_pro_graphics)) |
| sel->ngg_cull_vert_threshold = 1500; /* vertex count must be more than this */ |
| } else if (sel->info.stage == MESA_SHADER_TESS_EVAL) { |
| if (sscreen->debug_flags & DBG(ALWAYS_NGG_CULLING_ALL) || |
| sscreen->debug_flags & DBG(ALWAYS_NGG_CULLING_TESS) || |
| (sscreen->info.chip_class == GFX10_3 && |
| sscreen->info.has_dedicated_vram)) |
| sel->ngg_cull_vert_threshold = 0; /* always enabled */ |
| } |
| } |
| |
| /* PA_CL_VS_OUT_CNTL */ |
| if (sctx->chip_class <= GFX9) |
| sel->pa_cl_vs_out_cntl = si_get_vs_out_cntl(sel, NULL, false); |
| |
| sel->clipdist_mask = sel->info.writes_clipvertex ? SIX_BITS : |
| u_bit_consecutive(0, sel->info.base.clip_distance_array_size); |
| sel->culldist_mask = u_bit_consecutive(0, sel->info.base.cull_distance_array_size) << |
| sel->info.base.clip_distance_array_size; |
| |
| /* DB_SHADER_CONTROL */ |
| sel->db_shader_control = S_02880C_Z_EXPORT_ENABLE(sel->info.writes_z) | |
| S_02880C_STENCIL_TEST_VAL_EXPORT_ENABLE(sel->info.writes_stencil) | |
| S_02880C_MASK_EXPORT_ENABLE(sel->info.writes_samplemask) | |
| S_02880C_KILL_ENABLE(sel->info.base.fs.uses_discard); |
| |
| if (sel->info.stage == MESA_SHADER_FRAGMENT) { |
| switch (sel->info.base.fs.depth_layout) { |
| case FRAG_DEPTH_LAYOUT_GREATER: |
| sel->db_shader_control |= S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_GREATER_THAN_Z); |
| break; |
| case FRAG_DEPTH_LAYOUT_LESS: |
| sel->db_shader_control |= S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_LESS_THAN_Z); |
| break; |
| default:; |
| } |
| |
| /* Z_ORDER, EXEC_ON_HIER_FAIL and EXEC_ON_NOOP should be set as following: |
| * |
| * | early Z/S | writes_mem | allow_ReZ? | Z_ORDER | EXEC_ON_HIER_FAIL | EXEC_ON_NOOP |
| * --|-----------|------------|------------|--------------------|-------------------|------------- |
| * 1a| false | false | true | EarlyZ_Then_ReZ | 0 | 0 |
| * 1b| false | false | false | EarlyZ_Then_LateZ | 0 | 0 |
| * 2 | false | true | n/a | LateZ | 1 | 0 |
| * 3 | true | false | n/a | EarlyZ_Then_LateZ | 0 | 0 |
| * 4 | true | true | n/a | EarlyZ_Then_LateZ | 0 | 1 |
| * |
| * In cases 3 and 4, HW will force Z_ORDER to EarlyZ regardless of what's set in the register. |
| * In case 2, NOOP_CULL is a don't care field. In case 2, 3 and 4, ReZ doesn't make sense. |
| * |
| * Don't use ReZ without profiling !!! |
| * |
| * ReZ decreases performance by 15% in DiRT: Showdown on Ultra settings, which has pretty complex |
| * shaders. |
| */ |
| if (sel->info.base.fs.early_fragment_tests) { |
| /* Cases 3, 4. */ |
| sel->db_shader_control |= S_02880C_DEPTH_BEFORE_SHADER(1) | |
| S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z) | |
| S_02880C_EXEC_ON_NOOP(sel->info.base.writes_memory); |
| } else if (sel->info.base.writes_memory) { |
| /* Case 2. */ |
| sel->db_shader_control |= S_02880C_Z_ORDER(V_02880C_LATE_Z) | S_02880C_EXEC_ON_HIER_FAIL(1); |
| } else { |
| /* Case 1. */ |
| sel->db_shader_control |= S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z); |
| } |
| |
| if (sel->info.base.fs.post_depth_coverage) |
| sel->db_shader_control |= S_02880C_PRE_SHADER_DEPTH_COVERAGE_ENABLE(1); |
| } |
| |
| (void)simple_mtx_init(&sel->mutex, mtx_plain); |
| |
| si_schedule_initial_compile(sctx, sel->info.stage, &sel->ready, &sel->compiler_ctx_state, |
| sel, si_init_shader_selector_async); |
| return sel; |
| } |
| |
| static void *si_create_shader(struct pipe_context *ctx, const struct pipe_shader_state *state) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_screen *sscreen = (struct si_screen *)ctx->screen; |
| bool cache_hit; |
| struct si_shader_selector *sel = (struct si_shader_selector *)util_live_shader_cache_get( |
| ctx, &sscreen->live_shader_cache, state, &cache_hit); |
| |
| if (sel && cache_hit && sctx->debug.debug_message) { |
| if (sel->main_shader_part) |
| si_shader_dump_stats_for_shader_db(sscreen, sel->main_shader_part, &sctx->debug); |
| if (sel->main_shader_part_ls) |
| si_shader_dump_stats_for_shader_db(sscreen, sel->main_shader_part_ls, &sctx->debug); |
| if (sel->main_shader_part_es) |
| si_shader_dump_stats_for_shader_db(sscreen, sel->main_shader_part_es, &sctx->debug); |
| if (sel->main_shader_part_ngg) |
| si_shader_dump_stats_for_shader_db(sscreen, sel->main_shader_part_ngg, &sctx->debug); |
| if (sel->main_shader_part_ngg_es) |
| si_shader_dump_stats_for_shader_db(sscreen, sel->main_shader_part_ngg_es, &sctx->debug); |
| } |
| return sel; |
| } |
| |
| static void si_update_streamout_state(struct si_context *sctx) |
| { |
| struct si_shader_selector *shader_with_so = si_get_vs(sctx)->cso; |
| |
| if (!shader_with_so) |
| return; |
| |
| sctx->streamout.enabled_stream_buffers_mask = shader_with_so->enabled_streamout_buffer_mask; |
| sctx->streamout.stride_in_dw = shader_with_so->so.stride; |
| } |
| |
| static void si_update_clip_regs(struct si_context *sctx, struct si_shader_selector *old_hw_vs, |
| struct si_shader *old_hw_vs_variant, |
| struct si_shader_selector *next_hw_vs, |
| struct si_shader *next_hw_vs_variant) |
| { |
| if (next_hw_vs && |
| (!old_hw_vs || |
| (old_hw_vs->info.stage == MESA_SHADER_VERTEX && old_hw_vs->info.base.vs.window_space_position) != |
| (next_hw_vs->info.stage == MESA_SHADER_VERTEX && next_hw_vs->info.base.vs.window_space_position) || |
| old_hw_vs->pa_cl_vs_out_cntl != next_hw_vs->pa_cl_vs_out_cntl || |
| old_hw_vs->clipdist_mask != next_hw_vs->clipdist_mask || |
| old_hw_vs->culldist_mask != next_hw_vs->culldist_mask || !old_hw_vs_variant || |
| !next_hw_vs_variant || |
| old_hw_vs_variant->key.opt.kill_clip_distances != next_hw_vs_variant->key.opt.kill_clip_distances)) |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.clip_regs); |
| } |
| |
| static void si_update_common_shader_state(struct si_context *sctx, struct si_shader_selector *sel) |
| { |
| si_set_active_descriptors_for_shader(sctx, sel); |
| |
| sctx->uses_bindless_samplers = si_shader_uses_bindless_samplers(sctx->vs_shader.cso) || |
| si_shader_uses_bindless_samplers(sctx->gs_shader.cso) || |
| si_shader_uses_bindless_samplers(sctx->ps_shader.cso) || |
| si_shader_uses_bindless_samplers(sctx->tcs_shader.cso) || |
| si_shader_uses_bindless_samplers(sctx->tes_shader.cso); |
| sctx->uses_bindless_images = si_shader_uses_bindless_images(sctx->vs_shader.cso) || |
| si_shader_uses_bindless_images(sctx->gs_shader.cso) || |
| si_shader_uses_bindless_images(sctx->ps_shader.cso) || |
| si_shader_uses_bindless_images(sctx->tcs_shader.cso) || |
| si_shader_uses_bindless_images(sctx->tes_shader.cso); |
| sctx->do_update_shaders = true; |
| } |
| |
| static void si_bind_vs_shader(struct pipe_context *ctx, void *state) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_selector *old_hw_vs = si_get_vs(sctx)->cso; |
| struct si_shader *old_hw_vs_variant = si_get_vs_state(sctx); |
| struct si_shader_selector *sel = state; |
| |
| if (sctx->vs_shader.cso == sel) |
| return; |
| |
| sctx->vs_shader.cso = sel; |
| sctx->vs_shader.current = sel ? sel->first_variant : NULL; |
| sctx->num_vs_blit_sgprs = sel ? sel->info.base.vs.blit_sgprs_amd : 0; |
| |
| if (si_update_ngg(sctx)) |
| si_shader_change_notify(sctx); |
| |
| si_update_common_shader_state(sctx, sel); |
| si_update_vs_viewport_state(sctx); |
| si_update_streamout_state(sctx); |
| si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant, si_get_vs(sctx)->cso, |
| si_get_vs_state(sctx)); |
| } |
| |
| static void si_update_tess_uses_prim_id(struct si_context *sctx) |
| { |
| sctx->ia_multi_vgt_param_key.u.tess_uses_prim_id = |
| (sctx->tes_shader.cso && sctx->tes_shader.cso->info.uses_primid) || |
| (sctx->tcs_shader.cso && sctx->tcs_shader.cso->info.uses_primid) || |
| (sctx->gs_shader.cso && sctx->gs_shader.cso->info.uses_primid) || |
| (sctx->ps_shader.cso && !sctx->gs_shader.cso && sctx->ps_shader.cso->info.uses_primid); |
| } |
| |
| bool si_update_ngg(struct si_context *sctx) |
| { |
| if (!sctx->screen->use_ngg) { |
| assert(!sctx->ngg); |
| return false; |
| } |
| |
| bool new_ngg = true; |
| |
| if (sctx->gs_shader.cso && sctx->tes_shader.cso && sctx->gs_shader.cso->tess_turns_off_ngg) { |
| new_ngg = false; |
| } else if (!sctx->screen->use_ngg_streamout) { |
| struct si_shader_selector *last = si_get_vs(sctx)->cso; |
| |
| if ((last && last->so.num_outputs) || sctx->streamout.prims_gen_query_enabled) |
| new_ngg = false; |
| } |
| |
| if (new_ngg != sctx->ngg) { |
| /* Transitioning from NGG to legacy GS requires VGT_FLUSH on Navi10-14. |
| * VGT_FLUSH is also emitted at the beginning of IBs when legacy GS ring |
| * pointers are set. |
| */ |
| if (sctx->chip_class == GFX10 && !new_ngg) |
| sctx->flags |= SI_CONTEXT_VGT_FLUSH; |
| |
| sctx->ngg = new_ngg; |
| sctx->last_gs_out_prim = -1; /* reset this so that it gets updated */ |
| return true; |
| } |
| return false; |
| } |
| |
| static void si_bind_gs_shader(struct pipe_context *ctx, void *state) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_selector *old_hw_vs = si_get_vs(sctx)->cso; |
| struct si_shader *old_hw_vs_variant = si_get_vs_state(sctx); |
| struct si_shader_selector *sel = state; |
| bool enable_changed = !!sctx->gs_shader.cso != !!sel; |
| bool ngg_changed; |
| |
| if (sctx->gs_shader.cso == sel) |
| return; |
| |
| sctx->gs_shader.cso = sel; |
| sctx->gs_shader.current = sel ? sel->first_variant : NULL; |
| sctx->ia_multi_vgt_param_key.u.uses_gs = sel != NULL; |
| |
| si_update_common_shader_state(sctx, sel); |
| sctx->last_gs_out_prim = -1; /* reset this so that it gets updated */ |
| |
| ngg_changed = si_update_ngg(sctx); |
| if (ngg_changed || enable_changed) |
| si_shader_change_notify(sctx); |
| if (enable_changed) { |
| if (sctx->ia_multi_vgt_param_key.u.uses_tess) |
| si_update_tess_uses_prim_id(sctx); |
| } |
| si_update_vs_viewport_state(sctx); |
| si_update_streamout_state(sctx); |
| si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant, si_get_vs(sctx)->cso, |
| si_get_vs_state(sctx)); |
| } |
| |
| static void si_bind_tcs_shader(struct pipe_context *ctx, void *state) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_selector *sel = state; |
| bool enable_changed = !!sctx->tcs_shader.cso != !!sel; |
| |
| if (sctx->tcs_shader.cso == sel) |
| return; |
| |
| sctx->tcs_shader.cso = sel; |
| sctx->tcs_shader.current = sel ? sel->first_variant : NULL; |
| si_update_tess_uses_prim_id(sctx); |
| |
| si_update_common_shader_state(sctx, sel); |
| |
| if (enable_changed) |
| sctx->last_tcs = NULL; /* invalidate derived tess state */ |
| } |
| |
| static void si_bind_tes_shader(struct pipe_context *ctx, void *state) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_selector *old_hw_vs = si_get_vs(sctx)->cso; |
| struct si_shader *old_hw_vs_variant = si_get_vs_state(sctx); |
| struct si_shader_selector *sel = state; |
| bool enable_changed = !!sctx->tes_shader.cso != !!sel; |
| |
| if (sctx->tes_shader.cso == sel) |
| return; |
| |
| sctx->tes_shader.cso = sel; |
| sctx->tes_shader.current = sel ? sel->first_variant : NULL; |
| sctx->ia_multi_vgt_param_key.u.uses_tess = sel != NULL; |
| si_update_tess_uses_prim_id(sctx); |
| |
| si_update_common_shader_state(sctx, sel); |
| sctx->last_gs_out_prim = -1; /* reset this so that it gets updated */ |
| |
| bool ngg_changed = si_update_ngg(sctx); |
| if (ngg_changed || enable_changed) |
| si_shader_change_notify(sctx); |
| if (enable_changed) |
| sctx->last_tes_sh_base = -1; /* invalidate derived tess state */ |
| si_update_vs_viewport_state(sctx); |
| si_update_streamout_state(sctx); |
| si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant, si_get_vs(sctx)->cso, |
| si_get_vs_state(sctx)); |
| } |
| |
| static void si_bind_ps_shader(struct pipe_context *ctx, void *state) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_selector *old_sel = sctx->ps_shader.cso; |
| struct si_shader_selector *sel = state; |
| |
| /* skip if supplied shader is one already in use */ |
| if (old_sel == sel) |
| return; |
| |
| sctx->ps_shader.cso = sel; |
| sctx->ps_shader.current = sel ? sel->first_variant : NULL; |
| |
| si_update_common_shader_state(sctx, sel); |
| if (sel) { |
| if (sctx->ia_multi_vgt_param_key.u.uses_tess) |
| si_update_tess_uses_prim_id(sctx); |
| |
| if (!old_sel || old_sel->info.colors_written != sel->info.colors_written) |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.cb_render_state); |
| |
| if (sctx->screen->has_out_of_order_rast && |
| (!old_sel || old_sel->info.base.writes_memory != sel->info.base.writes_memory || |
| old_sel->info.base.fs.early_fragment_tests != |
| sel->info.base.fs.early_fragment_tests)) |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); |
| } |
| si_update_ps_colorbuf0_slot(sctx); |
| } |
| |
| static void si_delete_shader(struct si_context *sctx, struct si_shader *shader) |
| { |
| if (shader->is_optimized) { |
| util_queue_drop_job(&sctx->screen->shader_compiler_queue_low_priority, &shader->ready); |
| } |
| |
| util_queue_fence_destroy(&shader->ready); |
| |
| if (shader->pm4) { |
| /* If destroyed shaders were not unbound, the next compiled |
| * shader variant could get the same pointer address and so |
| * binding it to the same shader stage would be considered |
| * a no-op, causing random behavior. |
| */ |
| switch (shader->selector->info.stage) { |
| case MESA_SHADER_VERTEX: |
| if (shader->key.as_ls) { |
| assert(sctx->chip_class <= GFX8); |
| si_pm4_delete_state(sctx, ls, shader->pm4); |
| } else if (shader->key.as_es) { |
| assert(sctx->chip_class <= GFX8); |
| si_pm4_delete_state(sctx, es, shader->pm4); |
| } else if (shader->key.as_ngg) { |
| si_pm4_delete_state(sctx, gs, shader->pm4); |
| } else { |
| si_pm4_delete_state(sctx, vs, shader->pm4); |
| } |
| break; |
| case MESA_SHADER_TESS_CTRL: |
| si_pm4_delete_state(sctx, hs, shader->pm4); |
| break; |
| case MESA_SHADER_TESS_EVAL: |
| if (shader->key.as_es) { |
| assert(sctx->chip_class <= GFX8); |
| si_pm4_delete_state(sctx, es, shader->pm4); |
| } else if (shader->key.as_ngg) { |
| si_pm4_delete_state(sctx, gs, shader->pm4); |
| } else { |
| si_pm4_delete_state(sctx, vs, shader->pm4); |
| } |
| break; |
| case MESA_SHADER_GEOMETRY: |
| if (shader->is_gs_copy_shader) |
| si_pm4_delete_state(sctx, vs, shader->pm4); |
| else |
| si_pm4_delete_state(sctx, gs, shader->pm4); |
| break; |
| case MESA_SHADER_FRAGMENT: |
| si_pm4_delete_state(sctx, ps, shader->pm4); |
| break; |
| default:; |
| } |
| } |
| |
| si_shader_selector_reference(sctx, &shader->previous_stage_sel, NULL); |
| si_shader_destroy(shader); |
| free(shader); |
| } |
| |
| static void si_destroy_shader_selector(struct pipe_context *ctx, void *cso) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_selector *sel = (struct si_shader_selector *)cso; |
| struct si_shader *p = sel->first_variant, *c; |
| struct si_shader_ctx_state *current_shader[SI_NUM_SHADERS] = { |
| [MESA_SHADER_VERTEX] = &sctx->vs_shader, |
| [MESA_SHADER_TESS_CTRL] = &sctx->tcs_shader, |
| [MESA_SHADER_TESS_EVAL] = &sctx->tes_shader, |
| [MESA_SHADER_GEOMETRY] = &sctx->gs_shader, |
| [MESA_SHADER_FRAGMENT] = &sctx->ps_shader, |
| }; |
| |
| util_queue_drop_job(&sctx->screen->shader_compiler_queue, &sel->ready); |
| |
| if (current_shader[sel->info.stage]->cso == sel) { |
| current_shader[sel->info.stage]->cso = NULL; |
| current_shader[sel->info.stage]->current = NULL; |
| } |
| |
| while (p) { |
| c = p->next_variant; |
| si_delete_shader(sctx, p); |
| p = c; |
| } |
| |
| if (sel->main_shader_part) |
| si_delete_shader(sctx, sel->main_shader_part); |
| if (sel->main_shader_part_ls) |
| si_delete_shader(sctx, sel->main_shader_part_ls); |
| if (sel->main_shader_part_es) |
| si_delete_shader(sctx, sel->main_shader_part_es); |
| if (sel->main_shader_part_ngg) |
| si_delete_shader(sctx, sel->main_shader_part_ngg); |
| if (sel->gs_copy_shader) |
| si_delete_shader(sctx, sel->gs_copy_shader); |
| |
| util_queue_fence_destroy(&sel->ready); |
| simple_mtx_destroy(&sel->mutex); |
| ralloc_free(sel->nir); |
| free(sel->nir_binary); |
| free(sel); |
| } |
| |
| static void si_delete_shader_selector(struct pipe_context *ctx, void *state) |
| { |
| struct si_context *sctx = (struct si_context *)ctx; |
| struct si_shader_selector *sel = (struct si_shader_selector *)state; |
| |
| si_shader_selector_reference(sctx, &sel, NULL); |
| } |
| |
| static unsigned si_get_ps_input_cntl(struct si_context *sctx, struct si_shader *vs, |
| unsigned semantic, enum glsl_interp_mode interpolate) |
| { |
| struct si_shader_info *vsinfo = &vs->selector->info; |
| unsigned offset, ps_input_cntl = 0; |
| |
| if (interpolate == INTERP_MODE_FLAT || |
| (interpolate == INTERP_MODE_COLOR && sctx->flatshade) || |
| semantic == VARYING_SLOT_PRIMITIVE_ID) |
| ps_input_cntl |= S_028644_FLAT_SHADE(1); |
| |
| if (semantic == VARYING_SLOT_PNTC || |
| (semantic >= VARYING_SLOT_TEX0 && semantic <= VARYING_SLOT_TEX7 && |
| sctx->sprite_coord_enable & (1 << (semantic - VARYING_SLOT_TEX0)))) { |
| ps_input_cntl |= S_028644_PT_SPRITE_TEX(1); |
| } |
| |
| int vs_slot = vsinfo->output_semantic_to_slot[semantic]; |
| if (vs_slot >= 0) { |
| offset = vs->info.vs_output_param_offset[vs_slot]; |
| |
| if (offset <= AC_EXP_PARAM_OFFSET_31) { |
| /* The input is loaded from parameter memory. */ |
| ps_input_cntl |= S_028644_OFFSET(offset); |
| } else if (!G_028644_PT_SPRITE_TEX(ps_input_cntl)) { |
| if (offset == AC_EXP_PARAM_UNDEFINED) { |
| /* This can happen with depth-only rendering. */ |
| offset = 0; |
| } else { |
| /* The input is a DEFAULT_VAL constant. */ |
| assert(offset >= AC_EXP_PARAM_DEFAULT_VAL_0000 && |
| offset <= AC_EXP_PARAM_DEFAULT_VAL_1111); |
| offset -= AC_EXP_PARAM_DEFAULT_VAL_0000; |
| } |
| |
| ps_input_cntl = S_028644_OFFSET(0x20) | S_028644_DEFAULT_VAL(offset); |
| } |
| } else { |
| /* VS output not found. */ |
| if (semantic == VARYING_SLOT_PRIMITIVE_ID) { |
| /* PrimID is written after the last output when HW VS is used. */ |
| ps_input_cntl |= S_028644_OFFSET(vs->info.vs_output_param_offset[vsinfo->num_outputs]); |
| } else if (!G_028644_PT_SPRITE_TEX(ps_input_cntl)) { |
| /* No corresponding output found, load defaults into input. |
| * Don't set any other bits. |
| * (FLAT_SHADE=1 completely changes behavior) */ |
| ps_input_cntl = S_028644_OFFSET(0x20); |
| /* D3D 9 behaviour. GL is undefined */ |
| if (semantic == VARYING_SLOT_COL0) |
| ps_input_cntl |= S_028644_DEFAULT_VAL(3); |
| } |
| } |
| |
| return ps_input_cntl; |
| } |
| |
| static void si_emit_spi_map(struct si_context *sctx) |
| { |
| struct si_shader *ps = sctx->ps_shader.current; |
| struct si_shader *vs = si_get_vs_state(sctx); |
| struct si_shader_info *psinfo = ps ? &ps->selector->info : NULL; |
| unsigned i, num_interp, num_written = 0; |
| unsigned spi_ps_input_cntl[32]; |
| |
| if (!ps || !ps->selector->info.num_inputs) |
| return; |
| |
| num_interp = si_get_ps_num_interp(ps); |
| assert(num_interp > 0); |
| |
| for (i = 0; i < psinfo->num_inputs; i++) { |
| unsigned semantic = psinfo->input_semantic[i]; |
| unsigned interpolate = psinfo->input_interpolate[i]; |
| |
| spi_ps_input_cntl[num_written++] = si_get_ps_input_cntl(sctx, vs, semantic, interpolate); |
| } |
| |
| if (ps->key.part.ps.prolog.color_two_side) { |
| for (i = 0; i < 2; i++) { |
| if (!(psinfo->colors_read & (0xf << (i * 4)))) |
| continue; |
| |
| unsigned semantic = VARYING_SLOT_BFC0 + i; |
| spi_ps_input_cntl[num_written++] = si_get_ps_input_cntl(sctx, vs, semantic, |
| psinfo->color_interpolate[i]); |
| } |
| } |
| assert(num_interp == num_written); |
| |
| /* R_028644_SPI_PS_INPUT_CNTL_0 */ |
| /* Dota 2: Only ~16% of SPI map updates set different values. */ |
| /* Talos: Only ~9% of SPI map updates set different values. */ |
| unsigned initial_cdw = sctx->gfx_cs->current.cdw; |
| radeon_opt_set_context_regn(sctx, R_028644_SPI_PS_INPUT_CNTL_0, spi_ps_input_cntl, |
| sctx->tracked_regs.spi_ps_input_cntl, num_interp); |
| |
| if (initial_cdw != sctx->gfx_cs->current.cdw) |
| sctx->context_roll = true; |
| } |
| |
| /** |
| * Writing CONFIG or UCONFIG VGT registers requires VGT_FLUSH before that. |
| */ |
| static void si_cs_preamble_add_vgt_flush(struct si_context *sctx) |
| { |
| /* We shouldn't get here if registers are shadowed. */ |
| assert(!sctx->shadowed_regs); |
| |
| if (sctx->cs_preamble_has_vgt_flush) |
| return; |
| |
| /* Done by Vulkan before VGT_FLUSH. */ |
| si_pm4_cmd_add(sctx->cs_preamble_state, PKT3(PKT3_EVENT_WRITE, 0, 0)); |
| si_pm4_cmd_add(sctx->cs_preamble_state, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH) | EVENT_INDEX(4)); |
| |
| /* VGT_FLUSH is required even if VGT is idle. It resets VGT pointers. */ |
| si_pm4_cmd_add(sctx->cs_preamble_state, PKT3(PKT3_EVENT_WRITE, 0, 0)); |
| si_pm4_cmd_add(sctx->cs_preamble_state, EVENT_TYPE(V_028A90_VGT_FLUSH) | EVENT_INDEX(0)); |
| sctx->cs_preamble_has_vgt_flush = true; |
| } |
| |
| /** |
| * Writing CONFIG or UCONFIG VGT registers requires VGT_FLUSH before that. |
| */ |
| static void si_emit_vgt_flush(struct radeon_cmdbuf *cs) |
| { |
| /* This is required before VGT_FLUSH. */ |
| radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); |
| radeon_emit(cs, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH) | EVENT_INDEX(4)); |
| |
| /* VGT_FLUSH is required even if VGT is idle. It resets VGT pointers. */ |
| radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0)); |
| radeon_emit(cs, EVENT_TYPE(V_028A90_VGT_FLUSH) | EVENT_INDEX(0)); |
| } |
| |
| /* Initialize state related to ESGS / GSVS ring buffers */ |
| static bool si_update_gs_ring_buffers(struct si_context *sctx) |
| { |
| struct si_shader_selector *es = |
| sctx->tes_shader.cso ? sctx->tes_shader.cso : sctx->vs_shader.cso; |
| struct si_shader_selector *gs = sctx->gs_shader.cso; |
| struct si_pm4_state *pm4; |
| |
| /* Chip constants. */ |
| unsigned num_se = sctx->screen->info.max_se; |
| unsigned wave_size = 64; |
| unsigned max_gs_waves = 32 * num_se; /* max 32 per SE on GCN */ |
| /* On GFX6-GFX7, the value comes from VGT_GS_VERTEX_REUSE = 16. |
| * On GFX8+, the value comes from VGT_VERTEX_REUSE_BLOCK_CNTL = 30 (+2). |
| */ |
| unsigned gs_vertex_reuse = (sctx->chip_class >= GFX8 ? 32 : 16) * num_se; |
| unsigned alignment = 256 * num_se; |
| /* The maximum size is 63.999 MB per SE. */ |
| unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se; |
| |
| /* Calculate the minimum size. */ |
| unsigned min_esgs_ring_size = align(es->esgs_itemsize * gs_vertex_reuse * wave_size, alignment); |
| |
| /* These are recommended sizes, not minimum sizes. */ |
| unsigned esgs_ring_size = |
| max_gs_waves * 2 * wave_size * es->esgs_itemsize * gs->gs_input_verts_per_prim; |
| unsigned gsvs_ring_size = max_gs_waves * 2 * wave_size * gs->max_gsvs_emit_size; |
| |
| min_esgs_ring_size = align(min_esgs_ring_size, alignment); |
| esgs_ring_size = align(esgs_ring_size, alignment); |
| gsvs_ring_size = align(gsvs_ring_size, alignment); |
| |
| esgs_ring_size = CLAMP(esgs_ring_size, min_esgs_ring_size, max_size); |
| gsvs_ring_size = MIN2(gsvs_ring_size, max_size); |
| |
| /* Some rings don't have to be allocated if shaders don't use them. |
| * (e.g. no varyings between ES and GS or GS and VS) |
| * |
| * GFX9 doesn't have the ESGS ring. |
| */ |
| bool update_esgs = sctx->chip_class <= GFX8 && esgs_ring_size && |
| (!sctx->esgs_ring || sctx->esgs_ring->width0 < esgs_ring_size); |
| bool update_gsvs = |
| gsvs_ring_size && (!sctx->gsvs_ring || sctx->gsvs_ring->width0 < gsvs_ring_size); |
| |
| if (!update_esgs && !update_gsvs) |
| return true; |
| |
| if (update_esgs) { |
| pipe_resource_reference(&sctx->esgs_ring, NULL); |
| sctx->esgs_ring = |
| pipe_aligned_buffer_create(sctx->b.screen, |
| SI_RESOURCE_FLAG_UNMAPPABLE | SI_RESOURCE_FLAG_DRIVER_INTERNAL, |
| PIPE_USAGE_DEFAULT, |
| esgs_ring_size, sctx->screen->info.pte_fragment_size); |
| if (!sctx->esgs_ring) |
| return false; |
| } |
| |
| if (update_gsvs) { |
| pipe_resource_reference(&sctx->gsvs_ring, NULL); |
| sctx->gsvs_ring = |
| pipe_aligned_buffer_create(sctx->b.screen, |
| SI_RESOURCE_FLAG_UNMAPPABLE | SI_RESOURCE_FLAG_DRIVER_INTERNAL, |
| PIPE_USAGE_DEFAULT, |
| gsvs_ring_size, sctx->screen->info.pte_fragment_size); |
| if (!sctx->gsvs_ring) |
| return false; |
| } |
| |
| /* Set ring bindings. */ |
| if (sctx->esgs_ring) { |
| assert(sctx->chip_class <= GFX8); |
| si_set_ring_buffer(sctx, SI_ES_RING_ESGS, sctx->esgs_ring, 0, sctx->esgs_ring->width0, true, |
| true, 4, 64, 0); |
| si_set_ring_buffer(sctx, SI_GS_RING_ESGS, sctx->esgs_ring, 0, sctx->esgs_ring->width0, false, |
| false, 0, 0, 0); |
| } |
| if (sctx->gsvs_ring) { |
| si_set_ring_buffer(sctx, SI_RING_GSVS, sctx->gsvs_ring, 0, sctx->gsvs_ring->width0, false, |
| false, 0, 0, 0); |
| } |
| |
| if (sctx->shadowed_regs) { |
| /* These registers will be shadowed, so set them only once. */ |
| struct radeon_cmdbuf *cs = sctx->gfx_cs; |
| |
| assert(sctx->chip_class >= GFX7); |
| |
| si_emit_vgt_flush(cs); |
| |
| /* Set the GS registers. */ |
| if (sctx->esgs_ring) { |
| assert(sctx->chip_class <= GFX8); |
| radeon_set_uconfig_reg(cs, R_030900_VGT_ESGS_RING_SIZE, |
| sctx->esgs_ring->width0 / 256); |
| } |
| if (sctx->gsvs_ring) { |
| radeon_set_uconfig_reg(cs, R_030904_VGT_GSVS_RING_SIZE, |
| sctx->gsvs_ring->width0 / 256); |
| } |
| return true; |
| } |
| |
| /* The codepath without register shadowing. */ |
| /* Create the "cs_preamble_gs_rings" state. */ |
| pm4 = CALLOC_STRUCT(si_pm4_state); |
| if (!pm4) |
| return false; |
| |
| if (sctx->chip_class >= GFX7) { |
| if (sctx->esgs_ring) { |
| assert(sctx->chip_class <= GFX8); |
| si_pm4_set_reg(pm4, R_030900_VGT_ESGS_RING_SIZE, sctx->esgs_ring->width0 / 256); |
| } |
| if (sctx->gsvs_ring) |
| si_pm4_set_reg(pm4, R_030904_VGT_GSVS_RING_SIZE, sctx->gsvs_ring->width0 / 256); |
| } else { |
| if (sctx->esgs_ring) |
| si_pm4_set_reg(pm4, R_0088C8_VGT_ESGS_RING_SIZE, sctx->esgs_ring->width0 / 256); |
| if (sctx->gsvs_ring) |
| si_pm4_set_reg(pm4, R_0088CC_VGT_GSVS_RING_SIZE, sctx->gsvs_ring->width0 / 256); |
| } |
| |
| /* Set the state. */ |
| if (sctx->cs_preamble_gs_rings) |
| si_pm4_free_state(sctx, sctx->cs_preamble_gs_rings, ~0); |
| sctx->cs_preamble_gs_rings = pm4; |
| |
| si_cs_preamble_add_vgt_flush(sctx); |
| |
| /* Flush the context to re-emit both cs_preamble states. */ |
| sctx->initial_gfx_cs_size = 0; /* force flush */ |
| si_flush_gfx_cs(sctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL); |
| |
| return true; |
| } |
| |
| static void si_shader_lock(struct si_shader *shader) |
| { |
| simple_mtx_lock(&shader->selector->mutex); |
| if (shader->previous_stage_sel) { |
| assert(shader->previous_stage_sel != shader->selector); |
| simple_mtx_lock(&shader->previous_stage_sel->mutex); |
| } |
| } |
| |
| static void si_shader_unlock(struct si_shader *shader) |
| { |
| if (shader->previous_stage_sel) |
| simple_mtx_unlock(&shader->previous_stage_sel->mutex); |
| simple_mtx_unlock(&shader->selector->mutex); |
| } |
| |
| /** |
| * @returns 1 if \p sel has been updated to use a new scratch buffer |
| * 0 if not |
| * < 0 if there was a failure |
| */ |
| static int si_update_scratch_buffer(struct si_context *sctx, struct si_shader *shader) |
| { |
| uint64_t scratch_va = sctx->scratch_buffer->gpu_address; |
| |
| if (!shader) |
| return 0; |
| |
| /* This shader doesn't need a scratch buffer */ |
| if (shader->config.scratch_bytes_per_wave == 0) |
| return 0; |
| |
| /* Prevent race conditions when updating: |
| * - si_shader::scratch_bo |
| * - si_shader::binary::code |
| * - si_shader::previous_stage::binary::code. |
| */ |
| si_shader_lock(shader); |
| |
| /* This shader is already configured to use the current |
| * scratch buffer. */ |
| if (shader->scratch_bo == sctx->scratch_buffer) { |
| si_shader_unlock(shader); |
| return 0; |
| } |
| |
| assert(sctx->scratch_buffer); |
| |
| /* Replace the shader bo with a new bo that has the relocs applied. */ |
| if (!si_shader_binary_upload(sctx->screen, shader, scratch_va)) { |
| si_shader_unlock(shader); |
| return -1; |
| } |
| |
| /* Update the shader state to use the new shader bo. */ |
| si_shader_init_pm4_state(sctx->screen, shader); |
| |
| si_resource_reference(&shader->scratch_bo, sctx->scratch_buffer); |
| |
| si_shader_unlock(shader); |
| return 1; |
| } |
| |
| static unsigned si_get_scratch_buffer_bytes_per_wave(struct si_shader *shader) |
| { |
| return shader ? shader->config.scratch_bytes_per_wave : 0; |
| } |
| |
| static struct si_shader *si_get_tcs_current(struct si_context *sctx) |
| { |
| if (!sctx->tes_shader.cso) |
| return NULL; /* tessellation disabled */ |
| |
| return sctx->tcs_shader.cso ? sctx->tcs_shader.current : sctx->fixed_func_tcs_shader.current; |
| } |
| |
| static bool si_update_scratch_relocs(struct si_context *sctx) |
| { |
| struct si_shader *tcs = si_get_tcs_current(sctx); |
| int r; |
| |
| /* Update the shaders, so that they are using the latest scratch. |
| * The scratch buffer may have been changed since these shaders were |
| * last used, so we still need to try to update them, even if they |
| * require scratch buffers smaller than the current size. |
| */ |
| r = si_update_scratch_buffer(sctx, sctx->ps_shader.current); |
| if (r < 0) |
| return false; |
| if (r == 1) |
| si_pm4_bind_state(sctx, ps, sctx->ps_shader.current->pm4); |
| |
| r = si_update_scratch_buffer(sctx, sctx->gs_shader.current); |
| if (r < 0) |
| return false; |
| if (r == 1) |
| si_pm4_bind_state(sctx, gs, sctx->gs_shader.current->pm4); |
| |
| r = si_update_scratch_buffer(sctx, tcs); |
| if (r < 0) |
| return false; |
| if (r == 1) |
| si_pm4_bind_state(sctx, hs, tcs->pm4); |
| |
| /* VS can be bound as LS, ES, or VS. */ |
| r = si_update_scratch_buffer(sctx, sctx->vs_shader.current); |
| if (r < 0) |
| return false; |
| if (r == 1) { |
| if (sctx->vs_shader.current->key.as_ls) |
| si_pm4_bind_state(sctx, ls, sctx->vs_shader.current->pm4); |
| else if (sctx->vs_shader.current->key.as_es) |
| si_pm4_bind_state(sctx, es, sctx->vs_shader.current->pm4); |
| else if (sctx->vs_shader.current->key.as_ngg) |
| si_pm4_bind_state(sctx, gs, sctx->vs_shader.current->pm4); |
| else |
| si_pm4_bind_state(sctx, vs, sctx->vs_shader.current->pm4); |
| } |
| |
| /* TES can be bound as ES or VS. */ |
| r = si_update_scratch_buffer(sctx, sctx->tes_shader.current); |
| if (r < 0) |
| return false; |
| if (r == 1) { |
| if (sctx->tes_shader.current->key.as_es) |
| si_pm4_bind_state(sctx, es, sctx->tes_shader.current->pm4); |
| else if (sctx->tes_shader.current->key.as_ngg) |
| si_pm4_bind_state(sctx, gs, sctx->tes_shader.current->pm4); |
| else |
| si_pm4_bind_state(sctx, vs, sctx->tes_shader.current->pm4); |
| } |
| |
| return true; |
| } |
| |
| static bool si_update_spi_tmpring_size(struct si_context *sctx) |
| { |
| /* SPI_TMPRING_SIZE.WAVESIZE must be constant for each scratch buffer. |
| * There are 2 cases to handle: |
| * |
| * - If the current needed size is less than the maximum seen size, |
| * use the maximum seen size, so that WAVESIZE remains the same. |
| * |
| * - If the current needed size is greater than the maximum seen size, |
| * the scratch buffer is reallocated, so we can increase WAVESIZE. |
| * |
| * Shaders that set SCRATCH_EN=0 don't allocate scratch space. |
| * Otherwise, the number of waves that can use scratch is |
| * SPI_TMPRING_SIZE.WAVES. |
| */ |
| unsigned bytes = 0; |
| |
| bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->ps_shader.current)); |
| bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->gs_shader.current)); |
| bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->vs_shader.current)); |
| |
| if (sctx->tes_shader.cso) { |
| bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->tes_shader.current)); |
| bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(si_get_tcs_current(sctx))); |
| } |
| |
| sctx->max_seen_scratch_bytes_per_wave = MAX2(sctx->max_seen_scratch_bytes_per_wave, bytes); |
| |
| unsigned scratch_needed_size = sctx->max_seen_scratch_bytes_per_wave * sctx->scratch_waves; |
| unsigned spi_tmpring_size; |
| |
| if (scratch_needed_size > 0) { |
| if (!sctx->scratch_buffer || scratch_needed_size > sctx->scratch_buffer->b.b.width0) { |
| /* Create a bigger scratch buffer */ |
| si_resource_reference(&sctx->scratch_buffer, NULL); |
| |
| sctx->scratch_buffer = si_aligned_buffer_create( |
| &sctx->screen->b, |
| SI_RESOURCE_FLAG_UNMAPPABLE | SI_RESOURCE_FLAG_DRIVER_INTERNAL, |
| PIPE_USAGE_DEFAULT, scratch_needed_size, |
| sctx->screen->info.pte_fragment_size); |
| if (!sctx->scratch_buffer) |
| return false; |
| |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.scratch_state); |
| si_context_add_resource_size(sctx, &sctx->scratch_buffer->b.b); |
| } |
| |
| if (!si_update_scratch_relocs(sctx)) |
| return false; |
| } |
| |
| /* The LLVM shader backend should be reporting aligned scratch_sizes. */ |
| assert((scratch_needed_size & ~0x3FF) == scratch_needed_size && |
| "scratch size should already be aligned correctly."); |
| |
| spi_tmpring_size = S_0286E8_WAVES(sctx->scratch_waves) | |
| S_0286E8_WAVESIZE(sctx->max_seen_scratch_bytes_per_wave >> 10); |
| if (spi_tmpring_size != sctx->spi_tmpring_size) { |
| sctx->spi_tmpring_size = spi_tmpring_size; |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.scratch_state); |
| } |
| return true; |
| } |
| |
| static void si_init_tess_factor_ring(struct si_context *sctx) |
| { |
| assert(!sctx->tess_rings); |
| assert(((sctx->screen->tess_factor_ring_size / 4) & C_030938_SIZE) == 0); |
| |
| /* The address must be aligned to 2^19, because the shader only |
| * receives the high 13 bits. |
| */ |
| sctx->tess_rings = pipe_aligned_buffer_create( |
| sctx->b.screen, SI_RESOURCE_FLAG_32BIT | SI_RESOURCE_FLAG_DRIVER_INTERNAL, PIPE_USAGE_DEFAULT, |
| sctx->screen->tess_offchip_ring_size + sctx->screen->tess_factor_ring_size, 1 << 19); |
| if (!sctx->tess_rings) |
| return; |
| |
| if (sctx->screen->info.has_tmz_support) { |
| sctx->tess_rings_tmz = pipe_aligned_buffer_create( |
| sctx->b.screen, |
| PIPE_RESOURCE_FLAG_ENCRYPTED | SI_RESOURCE_FLAG_32BIT | SI_RESOURCE_FLAG_DRIVER_INTERNAL, |
| PIPE_USAGE_DEFAULT, |
| sctx->screen->tess_offchip_ring_size + sctx->screen->tess_factor_ring_size, 1 << 19); |
| } |
| |
| uint64_t factor_va = |
| si_resource(sctx->tess_rings)->gpu_address + sctx->screen->tess_offchip_ring_size; |
| |
| if (sctx->shadowed_regs) { |
| /* These registers will be shadowed, so set them only once. */ |
| /* TODO: tmz + shadowed_regs support */ |
| struct radeon_cmdbuf *cs = sctx->gfx_cs; |
| |
| assert(sctx->chip_class >= GFX7); |
| |
| radeon_add_to_buffer_list(sctx, sctx->gfx_cs, si_resource(sctx->tess_rings), |
| RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_RINGS); |
| si_emit_vgt_flush(cs); |
| |
| /* Set tessellation registers. */ |
| radeon_set_uconfig_reg(cs, R_030938_VGT_TF_RING_SIZE, |
| S_030938_SIZE(sctx->screen->tess_factor_ring_size / 4)); |
| radeon_set_uconfig_reg(cs, R_030940_VGT_TF_MEMORY_BASE, factor_va >> 8); |
| if (sctx->chip_class >= GFX10) { |
| radeon_set_uconfig_reg(cs, R_030984_VGT_TF_MEMORY_BASE_HI_UMD, |
| S_030984_BASE_HI(factor_va >> 40)); |
| } else if (sctx->chip_class == GFX9) { |
| radeon_set_uconfig_reg(cs, R_030944_VGT_TF_MEMORY_BASE_HI, |
| S_030944_BASE_HI(factor_va >> 40)); |
| } |
| radeon_set_uconfig_reg(cs, R_03093C_VGT_HS_OFFCHIP_PARAM, |
| sctx->screen->vgt_hs_offchip_param); |
| return; |
| } |
| |
| /* The codepath without register shadowing. */ |
| si_cs_preamble_add_vgt_flush(sctx); |
| |
| /* Append these registers to the init config state. */ |
| if (sctx->chip_class >= GFX7) { |
| si_pm4_set_reg(sctx->cs_preamble_state, R_030938_VGT_TF_RING_SIZE, |
| S_030938_SIZE(sctx->screen->tess_factor_ring_size / 4)); |
| si_pm4_set_reg(sctx->cs_preamble_state, R_030940_VGT_TF_MEMORY_BASE, factor_va >> 8); |
| if (sctx->chip_class >= GFX10) |
| si_pm4_set_reg(sctx->cs_preamble_state, R_030984_VGT_TF_MEMORY_BASE_HI_UMD, |
| S_030984_BASE_HI(factor_va >> 40)); |
| else if (sctx->chip_class == GFX9) |
| si_pm4_set_reg(sctx->cs_preamble_state, R_030944_VGT_TF_MEMORY_BASE_HI, |
| S_030944_BASE_HI(factor_va >> 40)); |
| si_pm4_set_reg(sctx->cs_preamble_state, R_03093C_VGT_HS_OFFCHIP_PARAM, |
| sctx->screen->vgt_hs_offchip_param); |
| } else { |
| struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state); |
| |
| si_pm4_set_reg(pm4, R_008988_VGT_TF_RING_SIZE, |
| S_008988_SIZE(sctx->screen->tess_factor_ring_size / 4)); |
| si_pm4_set_reg(pm4, R_0089B8_VGT_TF_MEMORY_BASE, factor_va >> 8); |
| si_pm4_set_reg(pm4, R_0089B0_VGT_HS_OFFCHIP_PARAM, |
| sctx->screen->vgt_hs_offchip_param); |
| sctx->cs_preamble_tess_rings = pm4; |
| |
| if (sctx->screen->info.has_tmz_support) { |
| pm4 = CALLOC_STRUCT(si_pm4_state); |
| uint64_t factor_va_tmz = |
| si_resource(sctx->tess_rings_tmz)->gpu_address + sctx->screen->tess_offchip_ring_size; |
| si_pm4_set_reg(pm4, R_008988_VGT_TF_RING_SIZE, |
| S_008988_SIZE(sctx->screen->tess_factor_ring_size / 4)); |
| si_pm4_set_reg(pm4, R_0089B8_VGT_TF_MEMORY_BASE, factor_va_tmz >> 8); |
| si_pm4_set_reg(pm4, R_0089B0_VGT_HS_OFFCHIP_PARAM, |
| sctx->screen->vgt_hs_offchip_param); |
| sctx->cs_preamble_tess_rings_tmz = pm4; |
| } |
| } |
| |
| /* Flush the context to re-emit the cs_preamble state. |
| * This is done only once in a lifetime of a context. |
| */ |
| sctx->initial_gfx_cs_size = 0; /* force flush */ |
| si_flush_gfx_cs(sctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL); |
| } |
| |
| static struct si_pm4_state *si_build_vgt_shader_config(struct si_screen *screen, |
| union si_vgt_stages_key key) |
| { |
| struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state); |
| uint32_t stages = 0; |
| |
| if (key.u.tess) { |
| stages |= S_028B54_LS_EN(V_028B54_LS_STAGE_ON) | S_028B54_HS_EN(1) | S_028B54_DYNAMIC_HS(1); |
| |
| if (key.u.gs) |
| stages |= S_028B54_ES_EN(V_028B54_ES_STAGE_DS) | S_028B54_GS_EN(1); |
| else if (key.u.ngg) |
| stages |= S_028B54_ES_EN(V_028B54_ES_STAGE_DS); |
| else |
| stages |= S_028B54_VS_EN(V_028B54_VS_STAGE_DS); |
| } else if (key.u.gs) { |
| stages |= S_028B54_ES_EN(V_028B54_ES_STAGE_REAL) | S_028B54_GS_EN(1); |
| } else if (key.u.ngg) { |
| stages |= S_028B54_ES_EN(V_028B54_ES_STAGE_REAL); |
| } |
| |
| if (key.u.ngg) { |
| stages |= S_028B54_PRIMGEN_EN(1) | S_028B54_GS_FAST_LAUNCH(key.u.ngg_gs_fast_launch) | |
| S_028B54_NGG_WAVE_ID_EN(key.u.streamout) | |
| S_028B54_PRIMGEN_PASSTHRU_EN(key.u.ngg_passthrough); |
| } else if (key.u.gs) |
| stages |= S_028B54_VS_EN(V_028B54_VS_STAGE_COPY_SHADER); |
| |
| if (screen->info.chip_class >= GFX9) |
| stages |= S_028B54_MAX_PRIMGRP_IN_WAVE(2); |
| |
| if (screen->info.chip_class >= GFX10 && |
| /* GS fast launch hangs with Wave64, so always use Wave32. */ |
| (screen->ge_wave_size == 32 || (key.u.ngg && key.u.ngg_gs_fast_launch))) { |
| stages |= S_028B54_HS_W32_EN(1) | |
| S_028B54_GS_W32_EN(key.u.ngg) | /* legacy GS only supports Wave64 */ |
| S_028B54_VS_W32_EN(1); |
| } |
| |
| si_pm4_set_reg(pm4, R_028B54_VGT_SHADER_STAGES_EN, stages); |
| return pm4; |
| } |
| |
| static void si_update_vgt_shader_config(struct si_context *sctx, union si_vgt_stages_key key) |
| { |
| struct si_pm4_state **pm4 = &sctx->vgt_shader_config[key.index]; |
| |
| if (unlikely(!*pm4)) |
| *pm4 = si_build_vgt_shader_config(sctx->screen, key); |
| si_pm4_bind_state(sctx, vgt_shader_config, *pm4); |
| } |
| |
| bool si_update_shaders(struct si_context *sctx) |
| { |
| struct pipe_context *ctx = (struct pipe_context *)sctx; |
| struct si_compiler_ctx_state compiler_state; |
| struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; |
| struct si_shader *old_vs = si_get_vs_state(sctx); |
| unsigned old_kill_clip_distances = old_vs ? old_vs->key.opt.kill_clip_distances : 0; |
| struct si_shader *old_ps = sctx->ps_shader.current; |
| union si_vgt_stages_key key; |
| unsigned old_spi_shader_col_format = |
| old_ps ? old_ps->key.part.ps.epilog.spi_shader_col_format : 0; |
| int r; |
| |
| if (!sctx->compiler.passes) |
| si_init_compiler(sctx->screen, &sctx->compiler); |
| |
| compiler_state.compiler = &sctx->compiler; |
| compiler_state.debug = sctx->debug; |
| compiler_state.is_debug_context = sctx->is_debug; |
| |
| key.index = 0; |
| |
| if (sctx->tes_shader.cso) |
| key.u.tess = 1; |
| if (sctx->gs_shader.cso) |
| key.u.gs = 1; |
| |
| if (sctx->ngg) { |
| key.u.ngg = 1; |
| key.u.streamout = !!si_get_vs(sctx)->cso->so.num_outputs; |
| } |
| |
| /* Update TCS and TES. */ |
| if (sctx->tes_shader.cso) { |
| if (!sctx->tess_rings) { |
| si_init_tess_factor_ring(sctx); |
| if (!sctx->tess_rings) |
| return false; |
| } |
| |
| if (sctx->tcs_shader.cso) { |
| r = si_shader_select(ctx, &sctx->tcs_shader, key, &compiler_state); |
| if (r) |
| return false; |
| si_pm4_bind_state(sctx, hs, sctx->tcs_shader.current->pm4); |
| } else { |
| if (!sctx->fixed_func_tcs_shader.cso) { |
| sctx->fixed_func_tcs_shader.cso = si_create_fixed_func_tcs(sctx); |
| if (!sctx->fixed_func_tcs_shader.cso) |
| return false; |
| } |
| |
| r = si_shader_select(ctx, &sctx->fixed_func_tcs_shader, key, &compiler_state); |
| if (r) |
| return false; |
| si_pm4_bind_state(sctx, hs, sctx->fixed_func_tcs_shader.current->pm4); |
| } |
| |
| if (!sctx->gs_shader.cso || sctx->chip_class <= GFX8) { |
| r = si_shader_select(ctx, &sctx->tes_shader, key, &compiler_state); |
| if (r) |
| return false; |
| |
| if (sctx->gs_shader.cso) { |
| /* TES as ES */ |
| assert(sctx->chip_class <= GFX8); |
| si_pm4_bind_state(sctx, es, sctx->tes_shader.current->pm4); |
| } else if (key.u.ngg) { |
| si_pm4_bind_state(sctx, gs, sctx->tes_shader.current->pm4); |
| } else { |
| si_pm4_bind_state(sctx, vs, sctx->tes_shader.current->pm4); |
| } |
| } |
| } else { |
| if (sctx->chip_class <= GFX8) |
| si_pm4_bind_state(sctx, ls, NULL); |
| si_pm4_bind_state(sctx, hs, NULL); |
| } |
| |
| /* Update GS. */ |
| if (sctx->gs_shader.cso) { |
| r = si_shader_select(ctx, &sctx->gs_shader, key, &compiler_state); |
| if (r) |
| return false; |
| si_pm4_bind_state(sctx, gs, sctx->gs_shader.current->pm4); |
| if (!key.u.ngg) { |
| si_pm4_bind_state(sctx, vs, sctx->gs_shader.cso->gs_copy_shader->pm4); |
| |
| if (!si_update_gs_ring_buffers(sctx)) |
| return false; |
| } else { |
| si_pm4_bind_state(sctx, vs, NULL); |
| } |
| } else { |
| if (!key.u.ngg) { |
| si_pm4_bind_state(sctx, gs, NULL); |
| if (sctx->chip_class <= GFX8) |
| si_pm4_bind_state(sctx, es, NULL); |
| } |
| } |
| |
| /* Update VS. */ |
| if ((!key.u.tess && !key.u.gs) || sctx->chip_class <= GFX8) { |
| r = si_shader_select(ctx, &sctx->vs_shader, key, &compiler_state); |
| if (r) |
| return false; |
| |
| if (!key.u.tess && !key.u.gs) { |
| if (key.u.ngg) { |
| si_pm4_bind_state(sctx, gs, sctx->vs_shader.current->pm4); |
| si_pm4_bind_state(sctx, vs, NULL); |
| } else { |
| si_pm4_bind_state(sctx, vs, sctx->vs_shader.current->pm4); |
| } |
| } else if (sctx->tes_shader.cso) { |
| si_pm4_bind_state(sctx, ls, sctx->vs_shader.current->pm4); |
| } else { |
| assert(sctx->gs_shader.cso); |
| si_pm4_bind_state(sctx, es, sctx->vs_shader.current->pm4); |
| } |
| } |
| |
| /* This must be done after the shader variant is selected. */ |
| if (sctx->ngg) { |
| struct si_shader *vs = si_get_vs(sctx)->current; |
| |
| key.u.ngg_passthrough = gfx10_is_ngg_passthrough(vs); |
| key.u.ngg_gs_fast_launch = !!(vs->key.opt.ngg_culling & SI_NGG_CULL_GS_FAST_LAUNCH_ALL); |
| } |
| |
| si_update_vgt_shader_config(sctx, key); |
| |
| if (old_kill_clip_distances != si_get_vs_state(sctx)->key.opt.kill_clip_distances) |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.clip_regs); |
| |
| if (sctx->ps_shader.cso) { |
| unsigned db_shader_control; |
| |
| r = si_shader_select(ctx, &sctx->ps_shader, key, &compiler_state); |
| if (r) |
| return false; |
| si_pm4_bind_state(sctx, ps, sctx->ps_shader.current->pm4); |
| |
| db_shader_control = sctx->ps_shader.cso->db_shader_control | |
| S_02880C_KILL_ENABLE(si_get_alpha_test_func(sctx) != PIPE_FUNC_ALWAYS); |
| |
| if (si_pm4_state_changed(sctx, ps) || si_pm4_state_changed(sctx, vs) || |
| (key.u.ngg && si_pm4_state_changed(sctx, gs)) || |
| sctx->sprite_coord_enable != rs->sprite_coord_enable || |
| sctx->flatshade != rs->flatshade) { |
| sctx->sprite_coord_enable = rs->sprite_coord_enable; |
| sctx->flatshade = rs->flatshade; |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.spi_map); |
| } |
| |
| if (sctx->screen->info.rbplus_allowed && si_pm4_state_changed(sctx, ps) && |
| (!old_ps || old_spi_shader_col_format != |
| sctx->ps_shader.current->key.part.ps.epilog.spi_shader_col_format)) |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.cb_render_state); |
| |
| 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); |
| } |
| |
| if (sctx->smoothing_enabled != |
| sctx->ps_shader.current->key.part.ps.epilog.poly_line_smoothing) { |
| sctx->smoothing_enabled = sctx->ps_shader.current->key.part.ps.epilog.poly_line_smoothing; |
| si_mark_atom_dirty(sctx, &sctx->atoms.s.msaa_config); |
| |
| if (sctx->chip_class == GFX6) |
| 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.msaa_sample_locs); |
| } |
| } |
| |
| if (si_pm4_state_enabled_and_changed(sctx, ls) || si_pm4_state_enabled_and_changed(sctx, hs) || |
| si_pm4_state_enabled_and_changed(sctx, es) || si_pm4_state_enabled_and_changed(sctx, gs) || |
| si_pm4_state_enabled_and_changed(sctx, vs) || si_pm4_state_enabled_and_changed(sctx, ps)) { |
| if (!si_update_spi_tmpring_size(sctx)) |
| return false; |
| } |
| |
| if (sctx->chip_class >= GFX7) { |
| if (si_pm4_state_enabled_and_changed(sctx, ls)) |
| sctx->prefetch_L2_mask |= SI_PREFETCH_LS; |
| else if (!sctx->queued.named.ls) |
| sctx->prefetch_L2_mask &= ~SI_PREFETCH_LS; |
| |
| if (si_pm4_state_enabled_and_changed(sctx, hs)) |
| sctx->prefetch_L2_mask |= SI_PREFETCH_HS; |
| else if (!sctx->queued.named.hs) |
| sctx->prefetch_L2_mask &= ~SI_PREFETCH_HS; |
| |
| if (si_pm4_state_enabled_and_changed(sctx, es)) |
| sctx->prefetch_L2_mask |= SI_PREFETCH_ES; |
| else if (!sctx->queued.named.es) |
| sctx->prefetch_L2_mask &= ~SI_PREFETCH_ES; |
| |
| if (si_pm4_state_enabled_and_changed(sctx, gs)) |
| sctx->prefetch_L2_mask |= SI_PREFETCH_GS; |
| else if (!sctx->queued.named.gs) |
| sctx->prefetch_L2_mask &= ~SI_PREFETCH_GS; |
| |
| if (si_pm4_state_enabled_and_changed(sctx, vs)) |
| sctx->prefetch_L2_mask |= SI_PREFETCH_VS; |
| else if (!sctx->queued.named.vs) |
| sctx->prefetch_L2_mask &= ~SI_PREFETCH_VS; |
| |
| if (si_pm4_state_enabled_and_changed(sctx, ps)) |
| sctx->prefetch_L2_mask |= SI_PREFETCH_PS; |
| else if (!sctx->queued.named.ps) |
| sctx->prefetch_L2_mask &= ~SI_PREFETCH_PS; |
| } |
| |
| sctx->do_update_shaders = false; |
| return true; |
| } |
| |
| static void si_emit_scratch_state(struct si_context *sctx) |
| { |
| struct radeon_cmdbuf *cs = sctx->gfx_cs; |
| |
| radeon_set_context_reg(cs, R_0286E8_SPI_TMPRING_SIZE, sctx->spi_tmpring_size); |
| |
| if (sctx->scratch_buffer) { |
| radeon_add_to_buffer_list(sctx, sctx->gfx_cs, sctx->scratch_buffer, RADEON_USAGE_READWRITE, |
| RADEON_PRIO_SCRATCH_BUFFER); |
| } |
| } |
| |
| void si_init_screen_live_shader_cache(struct si_screen *sscreen) |
| { |
| util_live_shader_cache_init(&sscreen->live_shader_cache, si_create_shader_selector, |
| si_destroy_shader_selector); |
| } |
| |
| void si_init_shader_functions(struct si_context *sctx) |
| { |
| sctx->atoms.s.spi_map.emit = si_emit_spi_map; |
| sctx->atoms.s.scratch_state.emit = si_emit_scratch_state; |
| |
| sctx->b.create_vs_state = si_create_shader; |
| sctx->b.create_tcs_state = si_create_shader; |
| sctx->b.create_tes_state = si_create_shader; |
| sctx->b.create_gs_state = si_create_shader; |
| sctx->b.create_fs_state = si_create_shader; |
| |
| sctx->b.bind_vs_state = si_bind_vs_shader; |
| sctx->b.bind_tcs_state = si_bind_tcs_shader; |
| sctx->b.bind_tes_state = si_bind_tes_shader; |
| sctx->b.bind_gs_state = si_bind_gs_shader; |
| sctx->b.bind_fs_state = si_bind_ps_shader; |
| |
| sctx->b.delete_vs_state = si_delete_shader_selector; |
| sctx->b.delete_tcs_state = si_delete_shader_selector; |
| sctx->b.delete_tes_state = si_delete_shader_selector; |
| sctx->b.delete_gs_state = si_delete_shader_selector; |
| sctx->b.delete_fs_state = si_delete_shader_selector; |
| } |