/* * Copyright 2017 Józef Kucia for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "vkd3d_shader_private.h" #include "vkd3d_version.h" #include "hlsl.h" #include #include VKD3D_DEBUG_ENV_NAME("VKD3D_SHADER_DEBUG"); static inline int char_to_int(char c) { if ('0' <= c && c <= '9') return c - '0'; if ('A' <= c && c <= 'F') return c - 'A' + 10; if ('a' <= c && c <= 'f') return c - 'a' + 10; return -1; } uint32_t vkd3d_parse_integer(const char *s) { uint32_t base = 10, ret = 0; int digit; if (*s == '0') { base = 8; ++s; if (*s == 'x' || *s == 'X') { base = 16; ++s; } } while ((digit = char_to_int(*s++)) >= 0) ret = ret * base + (uint32_t)digit; return ret; } void vkd3d_string_buffer_init(struct vkd3d_string_buffer *buffer) { buffer->buffer_size = 16; buffer->content_size = 0; buffer->buffer = vkd3d_malloc(buffer->buffer_size); assert(buffer->buffer); memset(buffer->buffer, 0, buffer->buffer_size); } void vkd3d_string_buffer_cleanup(struct vkd3d_string_buffer *buffer) { vkd3d_free(buffer->buffer); } void vkd3d_string_buffer_clear(struct vkd3d_string_buffer *buffer) { buffer->buffer[0] = '\0'; buffer->content_size = 0; } static bool vkd3d_string_buffer_resize(struct vkd3d_string_buffer *buffer, int rc) { unsigned int new_buffer_size = rc >= 0 ? buffer->content_size + rc + 1 : buffer->buffer_size * 2; if (!vkd3d_array_reserve((void **)&buffer->buffer, &buffer->buffer_size, new_buffer_size, 1)) { ERR("Failed to grow buffer.\n"); buffer->buffer[buffer->content_size] = '\0'; return false; } return true; } int vkd3d_string_buffer_vprintf(struct vkd3d_string_buffer *buffer, const char *format, va_list args) { unsigned int rem; va_list a; int rc; for (;;) { rem = buffer->buffer_size - buffer->content_size; va_copy(a, args); rc = vsnprintf(&buffer->buffer[buffer->content_size], rem, format, a); va_end(a); if (rc >= 0 && (unsigned int)rc < rem) { buffer->content_size += rc; return 0; } if (!vkd3d_string_buffer_resize(buffer, rc)) return -1; } } int vkd3d_string_buffer_printf(struct vkd3d_string_buffer *buffer, const char *format, ...) { va_list args; int ret; va_start(args, format); ret = vkd3d_string_buffer_vprintf(buffer, format, args); va_end(args); return ret; } int vkd3d_string_buffer_print_f32(struct vkd3d_string_buffer *buffer, float f) { unsigned int idx = buffer->content_size + 1; int ret; if (!(ret = vkd3d_string_buffer_printf(buffer, "%.8e", f)) && isfinite(f)) { if (signbit(f)) ++idx; buffer->buffer[idx] = '.'; } return ret; } int vkd3d_string_buffer_print_f64(struct vkd3d_string_buffer *buffer, double d) { unsigned int idx = buffer->content_size + 1; int ret; if (!(ret = vkd3d_string_buffer_printf(buffer, "%.16e", d)) && isfinite(d)) { if (signbit(d)) ++idx; buffer->buffer[idx] = '.'; } return ret; } void vkd3d_string_buffer_trace_(const struct vkd3d_string_buffer *buffer, const char *function) { vkd3d_shader_trace_text_(buffer->buffer, buffer->content_size, function); } void vkd3d_shader_trace_text_(const char *text, size_t size, const char *function) { const char *p, *q, *end = text + size; if (!TRACE_ON()) return; for (p = text; p < end; p = q) { if (!(q = memchr(p, '\n', end - p))) q = end; else ++q; vkd3d_dbg_printf(VKD3D_DBG_LEVEL_TRACE, function, "%.*s", (int)(q - p), p); } } void vkd3d_string_buffer_cache_init(struct vkd3d_string_buffer_cache *cache) { memset(cache, 0, sizeof(*cache)); } void vkd3d_string_buffer_cache_cleanup(struct vkd3d_string_buffer_cache *cache) { unsigned int i; for (i = 0; i < cache->count; ++i) { vkd3d_string_buffer_cleanup(cache->buffers[i]); vkd3d_free(cache->buffers[i]); } vkd3d_free(cache->buffers); vkd3d_string_buffer_cache_init(cache); } struct vkd3d_string_buffer *vkd3d_string_buffer_get(struct vkd3d_string_buffer_cache *cache) { struct vkd3d_string_buffer *buffer; if (!cache->count) { if (!vkd3d_array_reserve((void **)&cache->buffers, &cache->capacity, cache->max_count + 1, sizeof(*cache->buffers))) return NULL; ++cache->max_count; if (!(buffer = vkd3d_malloc(sizeof(*buffer)))) return NULL; vkd3d_string_buffer_init(buffer); } else { buffer = cache->buffers[--cache->count]; } vkd3d_string_buffer_clear(buffer); return buffer; } void vkd3d_string_buffer_release(struct vkd3d_string_buffer_cache *cache, struct vkd3d_string_buffer *buffer) { if (!buffer) return; assert(cache->count + 1 <= cache->max_count); cache->buffers[cache->count++] = buffer; } void vkd3d_shader_message_context_init(struct vkd3d_shader_message_context *context, enum vkd3d_shader_log_level log_level) { context->log_level = log_level; vkd3d_string_buffer_init(&context->messages); } void vkd3d_shader_message_context_cleanup(struct vkd3d_shader_message_context *context) { vkd3d_string_buffer_cleanup(&context->messages); } void vkd3d_shader_message_context_trace_messages_(const struct vkd3d_shader_message_context *context, const char *function) { vkd3d_string_buffer_trace_(&context->messages, function); } bool vkd3d_shader_message_context_copy_messages(struct vkd3d_shader_message_context *context, char **out) { char *messages; if (!out) return true; *out = NULL; if (!context->messages.content_size) return true; if (!(messages = vkd3d_malloc(context->messages.content_size + 1))) return false; memcpy(messages, context->messages.buffer, context->messages.content_size + 1); *out = messages; return true; } void vkd3d_shader_vnote(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location, enum vkd3d_shader_log_level level, const char *format, va_list args) { if (context->log_level < level) return; if (location) { const char *source_name = location->source_name ? location->source_name : ""; if (location->line) vkd3d_string_buffer_printf(&context->messages, "%s:%u:%u: ", source_name, location->line, location->column); else vkd3d_string_buffer_printf(&context->messages, "%s: ", source_name); } vkd3d_string_buffer_vprintf(&context->messages, format, args); vkd3d_string_buffer_printf(&context->messages, "\n"); } void vkd3d_shader_vwarning(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location, enum vkd3d_shader_error error, const char *format, va_list args) { if (context->log_level < VKD3D_SHADER_LOG_WARNING) return; if (location) { const char *source_name = location->source_name ? location->source_name : ""; if (location->line) vkd3d_string_buffer_printf(&context->messages, "%s:%u:%u: W%04u: ", source_name, location->line, location->column, error); else vkd3d_string_buffer_printf(&context->messages, "%s: W%04u: ", source_name, error); } else { vkd3d_string_buffer_printf(&context->messages, "W%04u: ", error); } vkd3d_string_buffer_vprintf(&context->messages, format, args); vkd3d_string_buffer_printf(&context->messages, "\n"); } void vkd3d_shader_warning(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location, enum vkd3d_shader_error error, const char *format, ...) { va_list args; va_start(args, format); vkd3d_shader_vwarning(context, location, error, format, args); va_end(args); } void vkd3d_shader_verror(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location, enum vkd3d_shader_error error, const char *format, va_list args) { if (context->log_level < VKD3D_SHADER_LOG_ERROR) return; if (location) { const char *source_name = location->source_name ? location->source_name : ""; if (location->line) vkd3d_string_buffer_printf(&context->messages, "%s:%u:%u: E%04u: ", source_name, location->line, location->column, error); else vkd3d_string_buffer_printf(&context->messages, "%s: E%04u: ", source_name, error); } else { vkd3d_string_buffer_printf(&context->messages, "E%04u: ", error); } vkd3d_string_buffer_vprintf(&context->messages, format, args); vkd3d_string_buffer_printf(&context->messages, "\n"); } void vkd3d_shader_error(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location, enum vkd3d_shader_error error, const char *format, ...) { va_list args; va_start(args, format); vkd3d_shader_verror(context, location, error, format, args); va_end(args); } size_t bytecode_align(struct vkd3d_bytecode_buffer *buffer) { size_t aligned_size = align(buffer->size, 4); if (!vkd3d_array_reserve((void **)&buffer->data, &buffer->capacity, aligned_size, 1)) { buffer->status = VKD3D_ERROR_OUT_OF_MEMORY; return aligned_size; } memset(buffer->data + buffer->size, 0xab, aligned_size - buffer->size); buffer->size = aligned_size; return aligned_size; } size_t bytecode_put_bytes_unaligned(struct vkd3d_bytecode_buffer *buffer, const void *bytes, size_t size) { size_t offset = buffer->size; if (buffer->status) return offset; if (!vkd3d_array_reserve((void **)&buffer->data, &buffer->capacity, offset + size, 1)) { buffer->status = VKD3D_ERROR_OUT_OF_MEMORY; return offset; } memcpy(buffer->data + offset, bytes, size); buffer->size = offset + size; return offset; } size_t bytecode_put_bytes(struct vkd3d_bytecode_buffer *buffer, const void *bytes, size_t size) { bytecode_align(buffer); return bytecode_put_bytes_unaligned(buffer, bytes, size); } size_t bytecode_reserve_bytes(struct vkd3d_bytecode_buffer *buffer, size_t size) { size_t offset = bytecode_align(buffer); if (buffer->status) return offset; if (!vkd3d_array_reserve((void **)&buffer->data, &buffer->capacity, offset + size, 1)) { buffer->status = VKD3D_ERROR_OUT_OF_MEMORY; return offset; } memset(buffer->data + offset, 0, size); buffer->size = offset + size; return offset; } static void bytecode_set_bytes(struct vkd3d_bytecode_buffer *buffer, size_t offset, const void *value, size_t size) { if (buffer->status) return; assert(vkd3d_bound_range(offset, size, buffer->size)); memcpy(buffer->data + offset, value, size); } void set_u32(struct vkd3d_bytecode_buffer *buffer, size_t offset, uint32_t value) { bytecode_set_bytes(buffer, offset, &value, sizeof(value)); } void set_string(struct vkd3d_bytecode_buffer *buffer, size_t offset, const char *string, size_t length) { bytecode_set_bytes(buffer, offset, string, length); } static void vkd3d_shader_dump_blob(const char *path, const char *profile, const char *suffix, const void *data, size_t size) { static unsigned int shader_id = 0; char filename[1024]; unsigned int id; FILE *f; id = vkd3d_atomic_increment_u32(&shader_id) - 1; if (profile) snprintf(filename, ARRAY_SIZE(filename), "%s/vkd3d-shader-%u-%s.%s", path, id, profile, suffix); else snprintf(filename, ARRAY_SIZE(filename), "%s/vkd3d-shader-%u.%s", path, id, suffix); if ((f = fopen(filename, "wb"))) { if (fwrite(data, 1, size, f) != size) ERR("Failed to write shader to %s.\n", filename); if (fclose(f)) ERR("Failed to close stream %s.\n", filename); } else { ERR("Failed to open %s for dumping shader.\n", filename); } } static const char *shader_get_source_type_suffix(enum vkd3d_shader_source_type type) { switch (type) { case VKD3D_SHADER_SOURCE_DXBC_TPF: return "dxbc"; case VKD3D_SHADER_SOURCE_HLSL: return "hlsl"; case VKD3D_SHADER_SOURCE_D3D_BYTECODE: return "d3dbc"; case VKD3D_SHADER_SOURCE_DXBC_DXIL: return "dxil"; default: FIXME("Unhandled source type %#x.\n", type); return "bin"; } } void vkd3d_shader_dump_shader(const struct vkd3d_shader_compile_info *compile_info) { const struct vkd3d_shader_code *shader = &compile_info->source; const struct vkd3d_shader_hlsl_source_info *hlsl_source_info; const struct hlsl_profile_info *profile; const char *profile_name = NULL; static bool enabled = true; const char *path; if (!enabled) return; if (!(path = getenv("VKD3D_SHADER_DUMP_PATH"))) { enabled = false; return; } if (compile_info->source_type == VKD3D_SHADER_SOURCE_HLSL) { if (!(hlsl_source_info = vkd3d_find_struct(compile_info->next, HLSL_SOURCE_INFO))) return; if (!(profile = hlsl_get_target_info(hlsl_source_info->profile))) return; profile_name = profile->name; } vkd3d_shader_dump_blob(path, profile_name, shader_get_source_type_suffix(compile_info->source_type), shader->code, shader->size); } static void init_scan_signature_info(const struct vkd3d_shader_compile_info *info) { struct vkd3d_shader_scan_signature_info *signature_info; if ((signature_info = vkd3d_find_struct(info->next, SCAN_SIGNATURE_INFO))) { memset(&signature_info->input, 0, sizeof(signature_info->input)); memset(&signature_info->output, 0, sizeof(signature_info->output)); memset(&signature_info->patch_constant, 0, sizeof(signature_info->patch_constant)); } } static const struct vkd3d_debug_option vkd3d_shader_config_options[] = { {"force_validation", VKD3D_SHADER_CONFIG_FLAG_FORCE_VALIDATION}, /* force validation of internal shader representations */ }; static uint64_t vkd3d_shader_init_config_flags(void) { uint64_t config_flags; const char *config; config = getenv("VKD3D_SHADER_CONFIG"); config_flags = vkd3d_parse_debug_options(config, vkd3d_shader_config_options, ARRAY_SIZE(vkd3d_shader_config_options)); if (config_flags) TRACE("VKD3D_SHADER_CONFIG='%s'.\n", config); return config_flags; } bool vkd3d_shader_parser_init(struct vkd3d_shader_parser *parser, struct vkd3d_shader_message_context *message_context, const char *source_name, const struct vkd3d_shader_version *version, const struct vkd3d_shader_parser_ops *ops, unsigned int instruction_reserve) { parser->message_context = message_context; parser->location.source_name = source_name; parser->location.line = 1; parser->location.column = 0; parser->ops = ops; parser->config_flags = vkd3d_shader_init_config_flags(); return vsir_program_init(&parser->program, version, instruction_reserve); } void VKD3D_PRINTF_FUNC(3, 4) vkd3d_shader_parser_error(struct vkd3d_shader_parser *parser, enum vkd3d_shader_error error, const char *format, ...) { va_list args; va_start(args, format); vkd3d_shader_verror(parser->message_context, &parser->location, error, format, args); va_end(args); parser->failed = true; } void VKD3D_PRINTF_FUNC(3, 4) vkd3d_shader_parser_warning(struct vkd3d_shader_parser *parser, enum vkd3d_shader_error error, const char *format, ...) { va_list args; va_start(args, format); vkd3d_shader_vwarning(parser->message_context, &parser->location, error, format, args); va_end(args); } static int vkd3d_shader_validate_compile_info(const struct vkd3d_shader_compile_info *compile_info, bool validate_target_type) { const enum vkd3d_shader_source_type *source_types; const enum vkd3d_shader_target_type *target_types; unsigned int count, i; if (compile_info->type != VKD3D_SHADER_STRUCTURE_TYPE_COMPILE_INFO) { WARN("Invalid structure type %#x.\n", compile_info->type); return VKD3D_ERROR_INVALID_ARGUMENT; } source_types = vkd3d_shader_get_supported_source_types(&count); for (i = 0; i < count; ++i) { if (source_types[i] == compile_info->source_type) break; } if (i == count) { WARN("Invalid shader source type %#x.\n", compile_info->source_type); return VKD3D_ERROR_INVALID_ARGUMENT; } if (validate_target_type) { target_types = vkd3d_shader_get_supported_target_types(compile_info->source_type, &count); for (i = 0; i < count; ++i) { if (target_types[i] == compile_info->target_type) break; } if (i == count) { WARN("Invalid shader target type %#x.\n", compile_info->target_type); return VKD3D_ERROR_INVALID_ARGUMENT; } } return VKD3D_OK; } void vkd3d_shader_free_messages(char *messages) { TRACE("messages %p.\n", messages); vkd3d_free(messages); } static bool vkd3d_shader_signature_from_shader_signature(struct vkd3d_shader_signature *signature, const struct shader_signature *src) { unsigned int i; signature->element_count = src->element_count; if (!src->elements) { assert(!signature->element_count); signature->elements = NULL; return true; } if (!(signature->elements = vkd3d_calloc(signature->element_count, sizeof(*signature->elements)))) return false; for (i = 0; i < signature->element_count; ++i) { struct vkd3d_shader_signature_element *d = &signature->elements[i]; struct signature_element *e = &src->elements[i]; d->semantic_name = e->semantic_name; d->semantic_index = e->semantic_index; d->stream_index = e->stream_index; d->sysval_semantic = e->sysval_semantic; d->component_type = e->component_type; d->register_index = e->register_index; if (e->register_count > 1) FIXME("Arrayed elements are not supported yet.\n"); d->mask = e->mask; d->used_mask = e->used_mask; d->min_precision = e->min_precision; } return true; } struct vkd3d_shader_scan_context { const struct vkd3d_shader_version *version; struct vkd3d_shader_scan_descriptor_info1 *scan_descriptor_info; size_t descriptors_size; struct vkd3d_shader_message_context *message_context; struct vkd3d_shader_location location; struct vkd3d_shader_cf_info { enum { VKD3D_SHADER_BLOCK_IF, VKD3D_SHADER_BLOCK_LOOP, VKD3D_SHADER_BLOCK_SWITCH, } type; bool inside_block; bool has_default; } *cf_info; size_t cf_info_size; size_t cf_info_count; enum vkd3d_shader_api_version api_version; struct vkd3d_shader_scan_combined_resource_sampler_info *combined_sampler_info; size_t combined_samplers_size; }; static VKD3D_PRINTF_FUNC(3, 4) void vkd3d_shader_scan_error(struct vkd3d_shader_scan_context *context, enum vkd3d_shader_error error, const char *format, ...) { va_list args; va_start(args, format); vkd3d_shader_verror(context->message_context, &context->location, error, format, args); va_end(args); } static void VKD3D_PRINTF_FUNC(3, 4) vkd3d_shader_scan_warning(struct vkd3d_shader_scan_context *context, enum vkd3d_shader_error error, const char *format, ...) { va_list args; va_start(args, format); vkd3d_shader_vwarning(context->message_context, &context->location, error, format, args); va_end(args); } static void vkd3d_shader_scan_context_init(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_version *version, const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_scan_descriptor_info1 *scan_descriptor_info, struct vkd3d_shader_scan_combined_resource_sampler_info *combined_sampler_info, struct vkd3d_shader_message_context *message_context) { unsigned int i; memset(context, 0, sizeof(*context)); context->version = version; context->scan_descriptor_info = scan_descriptor_info; context->message_context = message_context; context->location.source_name = compile_info->source_name; context->location.line = 2; /* Line 1 is the version token. */ context->api_version = VKD3D_SHADER_API_VERSION_1_2; context->combined_sampler_info = combined_sampler_info; for (i = 0; i < compile_info->option_count; ++i) { const struct vkd3d_shader_compile_option *option = &compile_info->options[i]; if (option->name == VKD3D_SHADER_COMPILE_OPTION_API_VERSION) context->api_version = option->value; } } static void vkd3d_shader_scan_context_cleanup(struct vkd3d_shader_scan_context *context) { vkd3d_free(context->cf_info); } static struct vkd3d_shader_cf_info *vkd3d_shader_scan_get_current_cf_info(struct vkd3d_shader_scan_context *context) { if (!context->cf_info_count) return NULL; return &context->cf_info[context->cf_info_count - 1]; } static struct vkd3d_shader_cf_info *vkd3d_shader_scan_push_cf_info(struct vkd3d_shader_scan_context *context) { struct vkd3d_shader_cf_info *cf_info; if (!vkd3d_array_reserve((void **)&context->cf_info, &context->cf_info_size, context->cf_info_count + 1, sizeof(*context->cf_info))) { ERR("Failed to allocate UAV range.\n"); return false; } cf_info = &context->cf_info[context->cf_info_count++]; memset(cf_info, 0, sizeof(*cf_info)); return cf_info; } static void vkd3d_shader_scan_pop_cf_info(struct vkd3d_shader_scan_context *context) { assert(context->cf_info_count); --context->cf_info_count; } static struct vkd3d_shader_cf_info *vkd3d_shader_scan_find_innermost_breakable_cf_info( struct vkd3d_shader_scan_context *context) { size_t count = context->cf_info_count; struct vkd3d_shader_cf_info *cf_info; while (count) { cf_info = &context->cf_info[--count]; if (cf_info->type == VKD3D_SHADER_BLOCK_LOOP || cf_info->type == VKD3D_SHADER_BLOCK_SWITCH) return cf_info; } return NULL; } static struct vkd3d_shader_cf_info *vkd3d_shader_scan_find_innermost_loop_cf_info( struct vkd3d_shader_scan_context *context) { size_t count = context->cf_info_count; struct vkd3d_shader_cf_info *cf_info; while (count) { cf_info = &context->cf_info[--count]; if (cf_info->type == VKD3D_SHADER_BLOCK_LOOP) return cf_info; } return NULL; } static void vkd3d_shader_scan_add_uav_flag(const struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_register *reg, uint32_t flag) { unsigned int range_id = reg->idx[0].offset; unsigned int i; if (!context->scan_descriptor_info) return; for (i = 0; i < context->scan_descriptor_info->descriptor_count; ++i) { if (context->scan_descriptor_info->descriptors[i].type == VKD3D_SHADER_DESCRIPTOR_TYPE_UAV && context->scan_descriptor_info->descriptors[i].register_id == range_id) { context->scan_descriptor_info->descriptors[i].flags |= flag; break; } } } static bool vkd3d_shader_instruction_is_uav_read(const struct vkd3d_shader_instruction *instruction) { enum vkd3d_shader_opcode handler_idx = instruction->handler_idx; return (VKD3DSIH_ATOMIC_AND <= handler_idx && handler_idx <= VKD3DSIH_ATOMIC_XOR) || (VKD3DSIH_IMM_ATOMIC_ALLOC <= handler_idx && handler_idx <= VKD3DSIH_IMM_ATOMIC_XOR) || handler_idx == VKD3DSIH_LD_UAV_TYPED || (handler_idx == VKD3DSIH_LD_RAW && instruction->src[1].reg.type == VKD3DSPR_UAV) || (handler_idx == VKD3DSIH_LD_STRUCTURED && instruction->src[2].reg.type == VKD3DSPR_UAV); } static void vkd3d_shader_scan_record_uav_read(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_register *reg) { vkd3d_shader_scan_add_uav_flag(context, reg, VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_UAV_READ); } static bool vkd3d_shader_instruction_is_uav_counter(const struct vkd3d_shader_instruction *instruction) { enum vkd3d_shader_opcode handler_idx = instruction->handler_idx; return handler_idx == VKD3DSIH_IMM_ATOMIC_ALLOC || handler_idx == VKD3DSIH_IMM_ATOMIC_CONSUME; } static void vkd3d_shader_scan_record_uav_counter(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_register *reg) { vkd3d_shader_scan_add_uav_flag(context, reg, VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_UAV_COUNTER); } static bool vkd3d_shader_instruction_is_uav_atomic_op(const struct vkd3d_shader_instruction *instruction) { enum vkd3d_shader_opcode handler_idx = instruction->handler_idx; return (VKD3DSIH_ATOMIC_AND <= handler_idx && handler_idx <= VKD3DSIH_ATOMIC_XOR) || (VKD3DSIH_IMM_ATOMIC_ALLOC <= handler_idx && handler_idx <= VKD3DSIH_IMM_ATOMIC_XOR); } static void vkd3d_shader_scan_record_uav_atomic_op(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_register *reg) { vkd3d_shader_scan_add_uav_flag(context, reg, VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_UAV_ATOMICS); } static struct vkd3d_shader_descriptor_info1 *vkd3d_shader_scan_add_descriptor(struct vkd3d_shader_scan_context *context, enum vkd3d_shader_descriptor_type type, const struct vkd3d_shader_register *reg, const struct vkd3d_shader_register_range *range, enum vkd3d_shader_resource_type resource_type, enum vkd3d_shader_resource_data_type resource_data_type) { struct vkd3d_shader_scan_descriptor_info1 *info = context->scan_descriptor_info; struct vkd3d_shader_descriptor_info1 *d; if (!info) return NULL; if (!vkd3d_array_reserve((void **)&info->descriptors, &context->descriptors_size, info->descriptor_count + 1, sizeof(*info->descriptors))) { ERR("Failed to allocate descriptor info.\n"); return NULL; } d = &info->descriptors[info->descriptor_count]; memset(d, 0, sizeof(*d)); d->type = type; d->register_id = reg->idx[0].offset; d->register_space = range->space; d->register_index = range->first; d->resource_type = resource_type; d->resource_data_type = resource_data_type; d->count = (range->last == ~0u) ? ~0u : range->last - range->first + 1; ++info->descriptor_count; return d; } static void vkd3d_shader_scan_constant_buffer_declaration(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_instruction *instruction) { const struct vkd3d_shader_constant_buffer *cb = &instruction->declaration.cb; struct vkd3d_shader_descriptor_info1 *d; if (!(d = vkd3d_shader_scan_add_descriptor(context, VKD3D_SHADER_DESCRIPTOR_TYPE_CBV, &cb->src.reg, &cb->range, VKD3D_SHADER_RESOURCE_BUFFER, VKD3D_SHADER_RESOURCE_DATA_UINT))) return; d->buffer_size = cb->size; } static void vkd3d_shader_scan_sampler_declaration(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_instruction *instruction) { const struct vkd3d_shader_sampler *sampler = &instruction->declaration.sampler; struct vkd3d_shader_descriptor_info1 *d; if (!(d = vkd3d_shader_scan_add_descriptor(context, VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER, &sampler->src.reg, &sampler->range, VKD3D_SHADER_RESOURCE_NONE, VKD3D_SHADER_RESOURCE_DATA_UINT))) return; if (instruction->flags & VKD3DSI_SAMPLER_COMPARISON_MODE) d->flags |= VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_SAMPLER_COMPARISON_MODE; } static void vkd3d_shader_scan_combined_sampler_declaration( struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_semantic *semantic) { vkd3d_shader_scan_add_descriptor(context, VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER, &semantic->resource.reg.reg, &semantic->resource.range, VKD3D_SHADER_RESOURCE_NONE, VKD3D_SHADER_RESOURCE_DATA_UINT); vkd3d_shader_scan_add_descriptor(context, VKD3D_SHADER_DESCRIPTOR_TYPE_SRV, &semantic->resource.reg.reg, &semantic->resource.range, semantic->resource_type, VKD3D_SHADER_RESOURCE_DATA_FLOAT); } static const struct vkd3d_shader_descriptor_info1 *find_descriptor( const struct vkd3d_shader_scan_descriptor_info1 *info, enum vkd3d_shader_descriptor_type type, unsigned int register_id) { for (unsigned int i = 0; i < info->descriptor_count; ++i) { const struct vkd3d_shader_descriptor_info1 *d = &info->descriptors[i]; if (d->type == type && d->register_id == register_id) return d; } return NULL; } static void vkd3d_shader_scan_combined_sampler_usage(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_register *resource, const struct vkd3d_shader_register *sampler) { struct vkd3d_shader_scan_combined_resource_sampler_info *info; struct vkd3d_shader_combined_resource_sampler_info *s; unsigned resource_space = 0, sampler_space = 0; unsigned int resource_idx, sampler_idx, i; if (!(info = context->combined_sampler_info)) return; if (resource->type == VKD3DSPR_RESOURCE) resource_idx = resource->idx[1].offset; else resource_idx = resource->idx[0].offset; if (!sampler) sampler_idx = VKD3D_SHADER_DUMMY_SAMPLER_INDEX; else if (sampler->type == VKD3DSPR_SAMPLER) sampler_idx = sampler->idx[1].offset; else sampler_idx = sampler->idx[0].offset; if (vkd3d_shader_ver_ge(context->version, 5, 1)) { const struct vkd3d_shader_descriptor_info1 *d; bool dynamic_resource, dynamic_sampler; if ((dynamic_resource = resource->idx[1].rel_addr)) vkd3d_shader_scan_warning(context, VKD3D_SHADER_WARNING_VSIR_DYNAMIC_DESCRIPTOR_ARRAY, "Resource descriptor array %u is being dynamically indexed, " "not recording a combined resource-sampler pair.", resource->idx[0].offset); if ((dynamic_sampler = sampler && sampler->idx[1].rel_addr)) vkd3d_shader_scan_warning(context, VKD3D_SHADER_WARNING_VSIR_DYNAMIC_DESCRIPTOR_ARRAY, "Sampler descriptor array %u is being dynamically indexed, " "not recording a combined resource-sampler pair.", sampler->idx[0].offset); if (dynamic_resource || dynamic_sampler) return; if ((d = find_descriptor(context->scan_descriptor_info, VKD3D_SHADER_DESCRIPTOR_TYPE_SRV, resource->idx[0].offset))) resource_space = d->register_space; if (sampler && (d = find_descriptor(context->scan_descriptor_info, VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER, sampler->idx[0].offset))) sampler_space = d->register_space; } for (i = 0; i < info->combined_sampler_count; ++i) { s = &info->combined_samplers[i]; if (s->resource_space == resource_space && s->resource_index == resource_idx && s->sampler_space == sampler_space && s->sampler_index == sampler_idx) return; } if (!vkd3d_array_reserve((void **)&info->combined_samplers, &context->combined_samplers_size, info->combined_sampler_count + 1, sizeof(*info->combined_samplers))) { ERR("Failed to allocate combined sampler info.\n"); return; } s = &info->combined_samplers[info->combined_sampler_count++]; s->resource_space = resource_space; s->resource_index = resource_idx; s->sampler_space = sampler_space; s->sampler_index = sampler_idx; } static void vkd3d_shader_scan_resource_declaration(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_resource *resource, enum vkd3d_shader_resource_type resource_type, enum vkd3d_shader_resource_data_type resource_data_type, unsigned int sample_count, unsigned int structure_stride, bool raw, uint32_t flags) { struct vkd3d_shader_descriptor_info1 *d; enum vkd3d_shader_descriptor_type type; if (resource->reg.reg.type == VKD3DSPR_UAV) type = VKD3D_SHADER_DESCRIPTOR_TYPE_UAV; else type = VKD3D_SHADER_DESCRIPTOR_TYPE_SRV; if (!(d = vkd3d_shader_scan_add_descriptor(context, type, &resource->reg.reg, &resource->range, resource_type, resource_data_type))) return; d->sample_count = sample_count; d->structure_stride = structure_stride; if (raw) d->flags |= VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_RAW_BUFFER; if (type == VKD3D_SHADER_DESCRIPTOR_TYPE_UAV) d->uav_flags = flags; } static void vkd3d_shader_scan_typed_resource_declaration(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_instruction *instruction) { const struct vkd3d_shader_semantic *semantic = &instruction->declaration.semantic; enum vkd3d_shader_resource_data_type resource_data_type; if (semantic->resource_data_type[0] != semantic->resource_data_type[1] || semantic->resource_data_type[0] != semantic->resource_data_type[2] || semantic->resource_data_type[0] != semantic->resource_data_type[3]) FIXME("Resource data types are different (%d, %d, %d, %d).\n", semantic->resource_data_type[0], semantic->resource_data_type[1], semantic->resource_data_type[2], semantic->resource_data_type[3]); switch (semantic->resource_data_type[0]) { case VKD3D_DATA_UNORM: resource_data_type = VKD3D_SHADER_RESOURCE_DATA_UNORM; break; case VKD3D_DATA_SNORM: resource_data_type = VKD3D_SHADER_RESOURCE_DATA_SNORM; break; case VKD3D_DATA_INT: resource_data_type = VKD3D_SHADER_RESOURCE_DATA_INT; break; case VKD3D_DATA_UINT: resource_data_type = VKD3D_SHADER_RESOURCE_DATA_UINT; break; case VKD3D_DATA_FLOAT: resource_data_type = VKD3D_SHADER_RESOURCE_DATA_FLOAT; break; case VKD3D_DATA_MIXED: resource_data_type = VKD3D_SHADER_RESOURCE_DATA_MIXED; break; case VKD3D_DATA_DOUBLE: resource_data_type = VKD3D_SHADER_RESOURCE_DATA_DOUBLE; break; case VKD3D_DATA_CONTINUED: resource_data_type = VKD3D_SHADER_RESOURCE_DATA_CONTINUED; break; default: ERR("Invalid resource data type %#x.\n", semantic->resource_data_type[0]); resource_data_type = VKD3D_SHADER_RESOURCE_DATA_FLOAT; break; } if (context->api_version < VKD3D_SHADER_API_VERSION_1_3 && resource_data_type >= VKD3D_SHADER_RESOURCE_DATA_MIXED) { ERR("Invalid resource data type %#x for API version %#x.\n", semantic->resource_data_type[0], context->api_version); resource_data_type = VKD3D_SHADER_RESOURCE_DATA_FLOAT; } vkd3d_shader_scan_resource_declaration(context, &semantic->resource, semantic->resource_type, resource_data_type, semantic->sample_count, 0, false, instruction->flags); } static int vkd3d_shader_scan_instruction(struct vkd3d_shader_scan_context *context, const struct vkd3d_shader_instruction *instruction) { const struct vkd3d_shader_register *sampler_reg; struct vkd3d_shader_cf_info *cf_info; unsigned int i; context->location = instruction->location; switch (instruction->handler_idx) { case VKD3DSIH_DCL_CONSTANT_BUFFER: vkd3d_shader_scan_constant_buffer_declaration(context, instruction); break; case VKD3DSIH_DCL_SAMPLER: vkd3d_shader_scan_sampler_declaration(context, instruction); break; case VKD3DSIH_DCL: if (instruction->declaration.semantic.resource_type == VKD3D_SHADER_RESOURCE_NONE) break; if (instruction->declaration.semantic.resource.reg.reg.type == VKD3DSPR_COMBINED_SAMPLER) { vkd3d_shader_scan_combined_sampler_declaration(context, &instruction->declaration.semantic); break; } /* fall through */ case VKD3DSIH_DCL_UAV_TYPED: vkd3d_shader_scan_typed_resource_declaration(context, instruction); break; case VKD3DSIH_DCL_RESOURCE_RAW: case VKD3DSIH_DCL_UAV_RAW: vkd3d_shader_scan_resource_declaration(context, &instruction->declaration.raw_resource.resource, VKD3D_SHADER_RESOURCE_BUFFER, VKD3D_SHADER_RESOURCE_DATA_UINT, 0, 0, true, instruction->flags); break; case VKD3DSIH_DCL_RESOURCE_STRUCTURED: case VKD3DSIH_DCL_UAV_STRUCTURED: vkd3d_shader_scan_resource_declaration(context, &instruction->declaration.structured_resource.resource, VKD3D_SHADER_RESOURCE_BUFFER, VKD3D_SHADER_RESOURCE_DATA_UINT, 0, instruction->declaration.structured_resource.byte_stride, false, instruction->flags); break; case VKD3DSIH_IF: case VKD3DSIH_IFC: cf_info = vkd3d_shader_scan_push_cf_info(context); cf_info->type = VKD3D_SHADER_BLOCK_IF; cf_info->inside_block = true; break; case VKD3DSIH_ELSE: if (!(cf_info = vkd3d_shader_scan_get_current_cf_info(context)) || cf_info->type != VKD3D_SHADER_BLOCK_IF) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘else’ instruction without corresponding ‘if’ block."); return VKD3D_ERROR_INVALID_SHADER; } cf_info->inside_block = true; break; case VKD3DSIH_ENDIF: if (!(cf_info = vkd3d_shader_scan_get_current_cf_info(context)) || cf_info->type != VKD3D_SHADER_BLOCK_IF) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘endif’ instruction without corresponding ‘if’ block."); return VKD3D_ERROR_INVALID_SHADER; } vkd3d_shader_scan_pop_cf_info(context); break; case VKD3DSIH_LOOP: cf_info = vkd3d_shader_scan_push_cf_info(context); cf_info->type = VKD3D_SHADER_BLOCK_LOOP; cf_info->inside_block = true; break; case VKD3DSIH_ENDLOOP: if (!(cf_info = vkd3d_shader_scan_get_current_cf_info(context)) || cf_info->type != VKD3D_SHADER_BLOCK_LOOP) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘endloop’ instruction without corresponding ‘loop’ block."); return VKD3D_ERROR_INVALID_SHADER; } vkd3d_shader_scan_pop_cf_info(context); break; case VKD3DSIH_SWITCH: cf_info = vkd3d_shader_scan_push_cf_info(context); cf_info->type = VKD3D_SHADER_BLOCK_SWITCH; break; case VKD3DSIH_ENDSWITCH: if (!(cf_info = vkd3d_shader_scan_get_current_cf_info(context)) || cf_info->type != VKD3D_SHADER_BLOCK_SWITCH || cf_info->inside_block) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘endswitch’ instruction without corresponding ‘switch’ block."); return VKD3D_ERROR_INVALID_SHADER; } vkd3d_shader_scan_pop_cf_info(context); break; case VKD3DSIH_CASE: if (!(cf_info = vkd3d_shader_scan_get_current_cf_info(context)) || cf_info->type != VKD3D_SHADER_BLOCK_SWITCH) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘case’ instruction outside switch block."); return VKD3D_ERROR_INVALID_SHADER; } cf_info->inside_block = true; break; case VKD3DSIH_DEFAULT: if (!(cf_info = vkd3d_shader_scan_get_current_cf_info(context)) || cf_info->type != VKD3D_SHADER_BLOCK_SWITCH) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘default’ instruction outside switch block."); return VKD3D_ERROR_INVALID_SHADER; } if (cf_info->has_default) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered duplicate ‘default’ instruction inside the current switch block."); return VKD3D_ERROR_INVALID_SHADER; } cf_info->inside_block = true; cf_info->has_default = true; break; case VKD3DSIH_BREAK: if (!(cf_info = vkd3d_shader_scan_find_innermost_breakable_cf_info(context))) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘break’ instruction outside breakable block."); return VKD3D_ERROR_INVALID_SHADER; } cf_info->inside_block = false; break; case VKD3DSIH_BREAKP: if (!(cf_info = vkd3d_shader_scan_find_innermost_loop_cf_info(context))) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘breakp’ instruction outside loop."); return VKD3D_ERROR_INVALID_SHADER; } break; case VKD3DSIH_CONTINUE: if (!(cf_info = vkd3d_shader_scan_find_innermost_loop_cf_info(context))) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘continue’ instruction outside loop."); return VKD3D_ERROR_INVALID_SHADER; } cf_info->inside_block = false; break; case VKD3DSIH_CONTINUEP: if (!(cf_info = vkd3d_shader_scan_find_innermost_loop_cf_info(context))) { vkd3d_shader_scan_error(context, VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF, "Encountered ‘continue’ instruction outside loop."); return VKD3D_ERROR_INVALID_SHADER; } break; case VKD3DSIH_RET: if (context->cf_info_count) context->cf_info[context->cf_info_count - 1].inside_block = false; break; case VKD3DSIH_TEX: if (context->version->major == 1) sampler_reg = &instruction->dst[0].reg; else sampler_reg = &instruction->src[1].reg; vkd3d_shader_scan_combined_sampler_usage(context, sampler_reg, sampler_reg); break; case VKD3DSIH_TEXBEM: case VKD3DSIH_TEXBEML: case VKD3DSIH_TEXDP3TEX: case VKD3DSIH_TEXM3x2TEX: case VKD3DSIH_TEXM3x3SPEC: case VKD3DSIH_TEXM3x3TEX: case VKD3DSIH_TEXM3x3VSPEC: case VKD3DSIH_TEXREG2AR: case VKD3DSIH_TEXREG2GB: case VKD3DSIH_TEXREG2RGB: sampler_reg = &instruction->dst[0].reg; vkd3d_shader_scan_combined_sampler_usage(context, sampler_reg, sampler_reg); break; case VKD3DSIH_GATHER4: case VKD3DSIH_GATHER4_C: case VKD3DSIH_SAMPLE: case VKD3DSIH_SAMPLE_B: case VKD3DSIH_SAMPLE_C: case VKD3DSIH_SAMPLE_C_LZ: case VKD3DSIH_SAMPLE_GRAD: case VKD3DSIH_SAMPLE_LOD: vkd3d_shader_scan_combined_sampler_usage(context, &instruction->src[1].reg, &instruction->src[2].reg); break; case VKD3DSIH_GATHER4_PO: case VKD3DSIH_GATHER4_PO_C: vkd3d_shader_scan_combined_sampler_usage(context, &instruction->src[2].reg, &instruction->src[3].reg); break; case VKD3DSIH_LD: case VKD3DSIH_LD2DMS: vkd3d_shader_scan_combined_sampler_usage(context, &instruction->src[1].reg, NULL); break; case VKD3DSIH_BUFINFO: case VKD3DSIH_SAMPLE_INFO: if (instruction->src[0].reg.type == VKD3DSPR_RESOURCE) vkd3d_shader_scan_combined_sampler_usage(context, &instruction->src[0].reg, NULL); break; case VKD3DSIH_LD_RAW: case VKD3DSIH_RESINFO: if (instruction->src[1].reg.type == VKD3DSPR_RESOURCE) vkd3d_shader_scan_combined_sampler_usage(context, &instruction->src[1].reg, NULL); break; case VKD3DSIH_LD_STRUCTURED: if (instruction->src[2].reg.type == VKD3DSPR_RESOURCE) vkd3d_shader_scan_combined_sampler_usage(context, &instruction->src[2].reg, NULL); break; default: break; } if (vkd3d_shader_instruction_is_uav_read(instruction)) { for (i = 0; i < instruction->dst_count; ++i) { if (instruction->dst[i].reg.type == VKD3DSPR_UAV) vkd3d_shader_scan_record_uav_read(context, &instruction->dst[i].reg); } for (i = 0; i < instruction->src_count; ++i) { if (instruction->src[i].reg.type == VKD3DSPR_UAV) vkd3d_shader_scan_record_uav_read(context, &instruction->src[i].reg); } } if (vkd3d_shader_instruction_is_uav_counter(instruction)) vkd3d_shader_scan_record_uav_counter(context, &instruction->src[0].reg); if (vkd3d_shader_instruction_is_uav_atomic_op(instruction)) { for (i = 0; i < instruction->dst_count; ++i) { if (instruction->dst[i].reg.type == VKD3DSPR_UAV) vkd3d_shader_scan_record_uav_atomic_op(context, &instruction->dst[i].reg); } } return VKD3D_OK; } static enum vkd3d_result convert_descriptor_info(struct vkd3d_shader_scan_descriptor_info *info, const struct vkd3d_shader_scan_descriptor_info1 *info1) { unsigned int i; if (!(info->descriptors = vkd3d_calloc(info1->descriptor_count, sizeof(*info->descriptors)))) return VKD3D_ERROR_OUT_OF_MEMORY; for (i = 0; i < info1->descriptor_count; ++i) { const struct vkd3d_shader_descriptor_info1 *src = &info1->descriptors[i]; struct vkd3d_shader_descriptor_info *dst = &info->descriptors[i]; dst->type = src->type; dst->register_space = src->register_space; dst->register_index = src->register_index; dst->resource_type = src->resource_type; dst->resource_data_type = src->resource_data_type; dst->flags = src->flags; dst->count = src->count; } info->descriptor_count = info1->descriptor_count; return VKD3D_OK; } static void vkd3d_shader_free_scan_descriptor_info1(struct vkd3d_shader_scan_descriptor_info1 *scan_descriptor_info) { TRACE("scan_descriptor_info %p.\n", scan_descriptor_info); vkd3d_free(scan_descriptor_info->descriptors); } static int scan_with_parser(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_message_context *message_context, struct vkd3d_shader_scan_descriptor_info1 *descriptor_info1, struct vkd3d_shader_parser *parser) { struct vkd3d_shader_scan_combined_resource_sampler_info *combined_sampler_info; struct vkd3d_shader_scan_descriptor_info1 local_descriptor_info1 = {0}; struct vkd3d_shader_scan_descriptor_info *descriptor_info; struct vkd3d_shader_scan_signature_info *signature_info; struct vkd3d_shader_instruction *instruction; struct vkd3d_shader_scan_context context; int ret = VKD3D_OK; unsigned int i; descriptor_info = vkd3d_find_struct(compile_info->next, SCAN_DESCRIPTOR_INFO); if (descriptor_info1) { descriptor_info1->descriptors = NULL; descriptor_info1->descriptor_count = 0; } else if (descriptor_info) { descriptor_info1 = &local_descriptor_info1; } signature_info = vkd3d_find_struct(compile_info->next, SCAN_SIGNATURE_INFO); if ((combined_sampler_info = vkd3d_find_struct(compile_info->next, SCAN_COMBINED_RESOURCE_SAMPLER_INFO))) { combined_sampler_info->combined_samplers = NULL; combined_sampler_info->combined_sampler_count = 0; if (!descriptor_info1) descriptor_info1 = &local_descriptor_info1; } vkd3d_shader_scan_context_init(&context, &parser->program.shader_version, compile_info, descriptor_info1, combined_sampler_info, message_context); if (TRACE_ON()) vkd3d_shader_trace(&parser->program); for (i = 0; i < parser->program.instructions.count; ++i) { instruction = &parser->program.instructions.elements[i]; if ((ret = vkd3d_shader_scan_instruction(&context, instruction)) < 0) break; } for (i = 0; i < ARRAY_SIZE(parser->shader_desc.flat_constant_count); ++i) { unsigned int size = parser->shader_desc.flat_constant_count[i].external; struct vkd3d_shader_register_range range = {.space = 0, .first = i, .last = i}; struct vkd3d_shader_register reg = {.idx[0].offset = i, .idx_count = 1}; struct vkd3d_shader_descriptor_info1 *d; if (parser->shader_desc.flat_constant_count[i].external) { if ((d = vkd3d_shader_scan_add_descriptor(&context, VKD3D_SHADER_DESCRIPTOR_TYPE_CBV, ®, &range, VKD3D_SHADER_RESOURCE_BUFFER, VKD3D_SHADER_RESOURCE_DATA_UINT))) d->buffer_size = size * 16; } } if (!ret && signature_info) { if (!vkd3d_shader_signature_from_shader_signature(&signature_info->input, &parser->shader_desc.input_signature) || !vkd3d_shader_signature_from_shader_signature(&signature_info->output, &parser->shader_desc.output_signature) || !vkd3d_shader_signature_from_shader_signature(&signature_info->patch_constant, &parser->shader_desc.patch_constant_signature)) { ret = VKD3D_ERROR_OUT_OF_MEMORY; } } if (!ret && descriptor_info) ret = convert_descriptor_info(descriptor_info, descriptor_info1); if (ret < 0) { if (combined_sampler_info) vkd3d_shader_free_scan_combined_resource_sampler_info(combined_sampler_info); if (descriptor_info) vkd3d_shader_free_scan_descriptor_info(descriptor_info); if (descriptor_info1) vkd3d_shader_free_scan_descriptor_info1(descriptor_info1); if (signature_info) vkd3d_shader_free_scan_signature_info(signature_info); } else { vkd3d_shader_free_scan_descriptor_info1(&local_descriptor_info1); } vkd3d_shader_scan_context_cleanup(&context); return ret; } static int scan_dxbc(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_message_context *message_context) { struct vkd3d_shader_parser *parser; int ret; if ((ret = vkd3d_shader_sm4_parser_create(compile_info, message_context, &parser)) < 0) { WARN("Failed to initialise shader parser.\n"); return ret; } ret = scan_with_parser(compile_info, message_context, NULL, parser); vkd3d_shader_parser_destroy(parser); return ret; } static int scan_d3dbc(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_message_context *message_context) { struct vkd3d_shader_parser *parser; int ret; if ((ret = vkd3d_shader_sm1_parser_create(compile_info, message_context, &parser)) < 0) { WARN("Failed to initialise shader parser.\n"); return ret; } ret = scan_with_parser(compile_info, message_context, NULL, parser); vkd3d_shader_parser_destroy(parser); return ret; } static int scan_dxil(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_message_context *message_context) { struct vkd3d_shader_parser *parser; int ret; if ((ret = vkd3d_shader_sm6_parser_create(compile_info, message_context, &parser)) < 0) { WARN("Failed to initialise shader parser.\n"); return ret; } ret = scan_with_parser(compile_info, message_context, NULL, parser); vkd3d_shader_parser_destroy(parser); return ret; } int vkd3d_shader_scan(const struct vkd3d_shader_compile_info *compile_info, char **messages) { struct vkd3d_shader_message_context message_context; int ret; TRACE("compile_info %p, messages %p.\n", compile_info, messages); if (messages) *messages = NULL; if ((ret = vkd3d_shader_validate_compile_info(compile_info, false)) < 0) return ret; init_scan_signature_info(compile_info); vkd3d_shader_message_context_init(&message_context, compile_info->log_level); vkd3d_shader_dump_shader(compile_info); switch (compile_info->source_type) { case VKD3D_SHADER_SOURCE_DXBC_TPF: ret = scan_dxbc(compile_info, &message_context); break; case VKD3D_SHADER_SOURCE_HLSL: FIXME("HLSL support not implemented.\n"); ret = VKD3D_ERROR_NOT_IMPLEMENTED; break; case VKD3D_SHADER_SOURCE_D3D_BYTECODE: ret = scan_d3dbc(compile_info, &message_context); break; case VKD3D_SHADER_SOURCE_DXBC_DXIL: ret = scan_dxil(compile_info, &message_context); break; default: ERR("Unsupported source type %#x.\n", compile_info->source_type); ret = VKD3D_ERROR_INVALID_ARGUMENT; break; } vkd3d_shader_message_context_trace_messages(&message_context); if (!vkd3d_shader_message_context_copy_messages(&message_context, messages)) ret = VKD3D_ERROR_OUT_OF_MEMORY; vkd3d_shader_message_context_cleanup(&message_context); return ret; } static int vkd3d_shader_parser_compile(struct vkd3d_shader_parser *parser, const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context) { struct vkd3d_shader_scan_descriptor_info1 scan_descriptor_info; struct vkd3d_glsl_generator *glsl_generator; struct vkd3d_shader_compile_info scan_info; int ret; scan_info = *compile_info; switch (compile_info->target_type) { case VKD3D_SHADER_TARGET_D3D_ASM: ret = vkd3d_dxbc_binary_to_text(&parser->program, compile_info, out, VSIR_ASM_D3D); break; case VKD3D_SHADER_TARGET_GLSL: if ((ret = scan_with_parser(&scan_info, message_context, &scan_descriptor_info, parser)) < 0) return ret; if (!(glsl_generator = vkd3d_glsl_generator_create(&parser->program.shader_version, message_context, &parser->location))) { ERR("Failed to create GLSL generator.\n"); vkd3d_shader_free_scan_descriptor_info1(&scan_descriptor_info); return VKD3D_ERROR; } ret = vkd3d_glsl_generator_generate(glsl_generator, &parser->program, out); vkd3d_glsl_generator_destroy(glsl_generator); vkd3d_shader_free_scan_descriptor_info1(&scan_descriptor_info); break; case VKD3D_SHADER_TARGET_SPIRV_BINARY: case VKD3D_SHADER_TARGET_SPIRV_TEXT: if ((ret = scan_with_parser(&scan_info, message_context, &scan_descriptor_info, parser)) < 0) return ret; ret = spirv_compile(parser, &scan_descriptor_info, compile_info, out, message_context); vkd3d_shader_free_scan_descriptor_info1(&scan_descriptor_info); break; default: /* Validation should prevent us from reaching this. */ vkd3d_unreachable(); } return ret; } static int compile_dxbc_tpf(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context) { struct vkd3d_shader_parser *parser; int ret; if ((ret = vkd3d_shader_sm4_parser_create(compile_info, message_context, &parser)) < 0) { WARN("Failed to initialise shader parser.\n"); return ret; } ret = vkd3d_shader_parser_compile(parser, compile_info, out, message_context); vkd3d_shader_parser_destroy(parser); return ret; } static int compile_hlsl(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context) { struct vkd3d_shader_code preprocessed; int ret; if ((ret = preproc_lexer_parse(compile_info, &preprocessed, message_context))) return ret; ret = hlsl_compile_shader(&preprocessed, compile_info, out, message_context); vkd3d_shader_free_shader_code(&preprocessed); return ret; } static int compile_d3d_bytecode(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context) { struct vkd3d_shader_parser *parser; int ret; if ((ret = vkd3d_shader_sm1_parser_create(compile_info, message_context, &parser)) < 0) { WARN("Failed to initialise shader parser.\n"); return ret; } ret = vkd3d_shader_parser_compile(parser, compile_info, out, message_context); vkd3d_shader_parser_destroy(parser); return ret; } static int compile_dxbc_dxil(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context) { struct vkd3d_shader_parser *parser; int ret; if ((ret = vkd3d_shader_sm6_parser_create(compile_info, message_context, &parser)) < 0) { WARN("Failed to initialise shader parser.\n"); return ret; } ret = vkd3d_shader_parser_compile(parser, compile_info, out, message_context); vkd3d_shader_parser_destroy(parser); return ret; } int vkd3d_shader_compile(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out, char **messages) { struct vkd3d_shader_message_context message_context; int ret; TRACE("compile_info %p, out %p, messages %p.\n", compile_info, out, messages); if (messages) *messages = NULL; if ((ret = vkd3d_shader_validate_compile_info(compile_info, true)) < 0) return ret; init_scan_signature_info(compile_info); vkd3d_shader_message_context_init(&message_context, compile_info->log_level); vkd3d_shader_dump_shader(compile_info); switch (compile_info->source_type) { case VKD3D_SHADER_SOURCE_DXBC_TPF: ret = compile_dxbc_tpf(compile_info, out, &message_context); break; case VKD3D_SHADER_SOURCE_HLSL: ret = compile_hlsl(compile_info, out, &message_context); break; case VKD3D_SHADER_SOURCE_D3D_BYTECODE: ret = compile_d3d_bytecode(compile_info, out, &message_context); break; case VKD3D_SHADER_SOURCE_DXBC_DXIL: ret = compile_dxbc_dxil(compile_info, out, &message_context); break; default: vkd3d_unreachable(); } vkd3d_shader_message_context_trace_messages(&message_context); if (!vkd3d_shader_message_context_copy_messages(&message_context, messages)) ret = VKD3D_ERROR_OUT_OF_MEMORY; vkd3d_shader_message_context_cleanup(&message_context); return ret; } void vkd3d_shader_free_scan_combined_resource_sampler_info( struct vkd3d_shader_scan_combined_resource_sampler_info *info) { TRACE("info %p.\n", info); vkd3d_free(info->combined_samplers); } void vkd3d_shader_free_scan_descriptor_info(struct vkd3d_shader_scan_descriptor_info *scan_descriptor_info) { TRACE("scan_descriptor_info %p.\n", scan_descriptor_info); vkd3d_free(scan_descriptor_info->descriptors); } void vkd3d_shader_free_scan_signature_info(struct vkd3d_shader_scan_signature_info *info) { TRACE("info %p.\n", info); vkd3d_shader_free_shader_signature(&info->input); vkd3d_shader_free_shader_signature(&info->output); vkd3d_shader_free_shader_signature(&info->patch_constant); } void vkd3d_shader_free_shader_code(struct vkd3d_shader_code *shader_code) { TRACE("shader_code %p.\n", shader_code); vkd3d_free((void *)shader_code->code); } static void vkd3d_shader_free_root_signature_v_1_0(struct vkd3d_shader_root_signature_desc *root_signature) { unsigned int i; for (i = 0; i < root_signature->parameter_count; ++i) { const struct vkd3d_shader_root_parameter *parameter = &root_signature->parameters[i]; if (parameter->parameter_type == VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE) vkd3d_free((void *)parameter->u.descriptor_table.descriptor_ranges); } vkd3d_free((void *)root_signature->parameters); vkd3d_free((void *)root_signature->static_samplers); memset(root_signature, 0, sizeof(*root_signature)); } static void vkd3d_shader_free_root_signature_v_1_1(struct vkd3d_shader_root_signature_desc1 *root_signature) { unsigned int i; for (i = 0; i < root_signature->parameter_count; ++i) { const struct vkd3d_shader_root_parameter1 *parameter = &root_signature->parameters[i]; if (parameter->parameter_type == VKD3D_SHADER_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE) vkd3d_free((void *)parameter->u.descriptor_table.descriptor_ranges); } vkd3d_free((void *)root_signature->parameters); vkd3d_free((void *)root_signature->static_samplers); memset(root_signature, 0, sizeof(*root_signature)); } void vkd3d_shader_free_root_signature(struct vkd3d_shader_versioned_root_signature_desc *desc) { TRACE("desc %p.\n", desc); if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_0) { vkd3d_shader_free_root_signature_v_1_0(&desc->u.v_1_0); } else if (desc->version == VKD3D_SHADER_ROOT_SIGNATURE_VERSION_1_1) { vkd3d_shader_free_root_signature_v_1_1(&desc->u.v_1_1); } else if (desc->version) { FIXME("Unknown version %#x.\n", desc->version); return; } desc->version = 0; } void shader_signature_cleanup(struct shader_signature *signature) { vkd3d_free(signature->elements); signature->elements = NULL; } int vkd3d_shader_parse_input_signature(const struct vkd3d_shader_code *dxbc, struct vkd3d_shader_signature *signature, char **messages) { struct vkd3d_shader_message_context message_context; struct shader_signature shader_signature; int ret; TRACE("dxbc {%p, %zu}, signature %p, messages %p.\n", dxbc->code, dxbc->size, signature, messages); if (messages) *messages = NULL; vkd3d_shader_message_context_init(&message_context, VKD3D_SHADER_LOG_INFO); ret = shader_parse_input_signature(dxbc, &message_context, &shader_signature); vkd3d_shader_message_context_trace_messages(&message_context); if (!vkd3d_shader_message_context_copy_messages(&message_context, messages)) ret = VKD3D_ERROR_OUT_OF_MEMORY; vkd3d_shader_message_context_cleanup(&message_context); if (!vkd3d_shader_signature_from_shader_signature(signature, &shader_signature)) ret = VKD3D_ERROR_OUT_OF_MEMORY; shader_signature_cleanup(&shader_signature); return ret; } struct vkd3d_shader_signature_element *vkd3d_shader_find_signature_element( const struct vkd3d_shader_signature *signature, const char *semantic_name, unsigned int semantic_index, unsigned int stream_index) { struct vkd3d_shader_signature_element *e; unsigned int i; TRACE("signature %p, semantic_name %s, semantic_index %u, stream_index %u.\n", signature, debugstr_a(semantic_name), semantic_index, stream_index); e = signature->elements; for (i = 0; i < signature->element_count; ++i) { if (!ascii_strcasecmp(e[i].semantic_name, semantic_name) && e[i].semantic_index == semantic_index && e[i].stream_index == stream_index) return &e[i]; } return NULL; } void vkd3d_shader_free_shader_signature(struct vkd3d_shader_signature *signature) { TRACE("signature %p.\n", signature); vkd3d_free(signature->elements); signature->elements = NULL; } const char *vkd3d_shader_get_version(unsigned int *major, unsigned int *minor) { int x, y; TRACE("major %p, minor %p.\n", major, minor); if (major || minor) { vkd3d_parse_version(PACKAGE_VERSION, &x, &y); if (major) *major = x; if (minor) *minor = y; } return "vkd3d-shader " PACKAGE_VERSION VKD3D_VCS_ID; } const enum vkd3d_shader_source_type *vkd3d_shader_get_supported_source_types(unsigned int *count) { static const enum vkd3d_shader_source_type types[] = { VKD3D_SHADER_SOURCE_DXBC_TPF, VKD3D_SHADER_SOURCE_HLSL, VKD3D_SHADER_SOURCE_D3D_BYTECODE, #ifdef VKD3D_SHADER_UNSUPPORTED_DXIL VKD3D_SHADER_SOURCE_DXBC_DXIL, #endif }; TRACE("count %p.\n", count); *count = ARRAY_SIZE(types); return types; } const enum vkd3d_shader_target_type *vkd3d_shader_get_supported_target_types( enum vkd3d_shader_source_type source_type, unsigned int *count) { static const enum vkd3d_shader_target_type dxbc_tpf_types[] = { VKD3D_SHADER_TARGET_SPIRV_BINARY, #ifdef HAVE_SPIRV_TOOLS VKD3D_SHADER_TARGET_SPIRV_TEXT, #endif VKD3D_SHADER_TARGET_D3D_ASM, #if 0 VKD3D_SHADER_TARGET_GLSL, #endif }; static const enum vkd3d_shader_target_type hlsl_types[] = { VKD3D_SHADER_TARGET_D3D_BYTECODE, VKD3D_SHADER_TARGET_DXBC_TPF, VKD3D_SHADER_TARGET_FX, }; static const enum vkd3d_shader_target_type d3dbc_types[] = { VKD3D_SHADER_TARGET_SPIRV_BINARY, #ifdef HAVE_SPIRV_TOOLS VKD3D_SHADER_TARGET_SPIRV_TEXT, #endif VKD3D_SHADER_TARGET_D3D_ASM, }; TRACE("source_type %#x, count %p.\n", source_type, count); switch (source_type) { #ifdef VKD3D_SHADER_UNSUPPORTED_DXIL case VKD3D_SHADER_SOURCE_DXBC_DXIL: #endif case VKD3D_SHADER_SOURCE_DXBC_TPF: *count = ARRAY_SIZE(dxbc_tpf_types); return dxbc_tpf_types; case VKD3D_SHADER_SOURCE_HLSL: *count = ARRAY_SIZE(hlsl_types); return hlsl_types; case VKD3D_SHADER_SOURCE_D3D_BYTECODE: *count = ARRAY_SIZE(d3dbc_types); return d3dbc_types; default: *count = 0; return NULL; } } int vkd3d_shader_preprocess(const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out, char **messages) { struct vkd3d_shader_message_context message_context; int ret; TRACE("compile_info %p, out %p, messages %p.\n", compile_info, out, messages); if (messages) *messages = NULL; if ((ret = vkd3d_shader_validate_compile_info(compile_info, false)) < 0) return ret; vkd3d_shader_message_context_init(&message_context, compile_info->log_level); ret = preproc_lexer_parse(compile_info, out, &message_context); vkd3d_shader_message_context_trace_messages(&message_context); if (!vkd3d_shader_message_context_copy_messages(&message_context, messages)) ret = VKD3D_ERROR_OUT_OF_MEMORY; vkd3d_shader_message_context_cleanup(&message_context); return ret; } void vkd3d_shader_set_log_callback(PFN_vkd3d_log callback) { vkd3d_dbg_set_log_callback(callback); } static struct vkd3d_shader_param_node *shader_param_allocator_node_create( struct vkd3d_shader_param_allocator *allocator) { struct vkd3d_shader_param_node *node; if (!(node = vkd3d_malloc(offsetof(struct vkd3d_shader_param_node, param[allocator->count * allocator->stride])))) return NULL; node->next = NULL; return node; } static void shader_param_allocator_init(struct vkd3d_shader_param_allocator *allocator, unsigned int count, unsigned int stride) { allocator->count = max(count, MAX_REG_OUTPUT); allocator->stride = stride; allocator->head = NULL; allocator->current = NULL; allocator->index = allocator->count; } static void shader_param_allocator_destroy(struct vkd3d_shader_param_allocator *allocator) { struct vkd3d_shader_param_node *current = allocator->head; while (current) { struct vkd3d_shader_param_node *next = current->next; vkd3d_free(current); current = next; } } void *shader_param_allocator_get(struct vkd3d_shader_param_allocator *allocator, unsigned int count) { void *params; if (count > allocator->count - allocator->index) { struct vkd3d_shader_param_node *next; /* Monolithic switch has no definite parameter count limit. */ allocator->count = max(allocator->count, count); if (!(next = shader_param_allocator_node_create(allocator))) return NULL; if (allocator->current) allocator->current->next = next; else allocator->head = next; allocator->current = next; allocator->index = 0; } params = &allocator->current->param[allocator->index * allocator->stride]; allocator->index += count; return params; } bool shader_instruction_array_init(struct vkd3d_shader_instruction_array *instructions, unsigned int reserve) { memset(instructions, 0, sizeof(*instructions)); /* Size the parameter initial allocations so they are large enough for most shaders. The * code path for chained allocations will be tested if a few shaders need to use it. */ shader_param_allocator_init(&instructions->dst_params, reserve - reserve / 8u, sizeof(*instructions->elements->dst)); shader_param_allocator_init(&instructions->src_params, reserve * 2u, sizeof(*instructions->elements->src)); return shader_instruction_array_reserve(instructions, reserve); } bool shader_instruction_array_reserve(struct vkd3d_shader_instruction_array *instructions, unsigned int reserve) { if (!vkd3d_array_reserve((void **)&instructions->elements, &instructions->capacity, reserve, sizeof(*instructions->elements))) { ERR("Failed to allocate instructions.\n"); return false; } return true; } bool shader_instruction_array_insert_at(struct vkd3d_shader_instruction_array *instructions, unsigned int idx, unsigned int count) { assert(idx <= instructions->count); if (!shader_instruction_array_reserve(instructions, instructions->count + count)) return false; memmove(&instructions->elements[idx + count], &instructions->elements[idx], (instructions->count - idx) * sizeof(*instructions->elements)); memset(&instructions->elements[idx], 0, count * sizeof(*instructions->elements)); instructions->count += count; return true; } bool shader_instruction_array_add_icb(struct vkd3d_shader_instruction_array *instructions, struct vkd3d_shader_immediate_constant_buffer *icb) { if (!vkd3d_array_reserve((void **)&instructions->icbs, &instructions->icb_capacity, instructions->icb_count + 1, sizeof(*instructions->icbs))) return false; instructions->icbs[instructions->icb_count++] = icb; return true; } static struct vkd3d_shader_src_param *shader_instruction_array_clone_src_params( struct vkd3d_shader_instruction_array *instructions, const struct vkd3d_shader_src_param *params, unsigned int count); static bool shader_register_clone_relative_addresses(struct vkd3d_shader_register *reg, struct vkd3d_shader_instruction_array *instructions) { unsigned int i; for (i = 0; i < reg->idx_count; ++i) { if (!reg->idx[i].rel_addr) continue; if (!(reg->idx[i].rel_addr = shader_instruction_array_clone_src_params(instructions, reg->idx[i].rel_addr, 1))) return false; } return true; } static struct vkd3d_shader_dst_param *shader_instruction_array_clone_dst_params( struct vkd3d_shader_instruction_array *instructions, const struct vkd3d_shader_dst_param *params, unsigned int count) { struct vkd3d_shader_dst_param *dst_params; unsigned int i; if (!(dst_params = shader_dst_param_allocator_get(&instructions->dst_params, count))) return NULL; memcpy(dst_params, params, count * sizeof(*params)); for (i = 0; i < count; ++i) { if (!shader_register_clone_relative_addresses(&dst_params[i].reg, instructions)) return NULL; } return dst_params; } static struct vkd3d_shader_src_param *shader_instruction_array_clone_src_params( struct vkd3d_shader_instruction_array *instructions, const struct vkd3d_shader_src_param *params, unsigned int count) { struct vkd3d_shader_src_param *src_params; unsigned int i; if (!(src_params = shader_src_param_allocator_get(&instructions->src_params, count))) return NULL; memcpy(src_params, params, count * sizeof(*params)); for (i = 0; i < count; ++i) { if (!shader_register_clone_relative_addresses(&src_params[i].reg, instructions)) return NULL; } return src_params; } /* NOTE: Immediate constant buffers are not cloned, so the source must not be destroyed while the * destination is in use. This seems like a reasonable requirement given how this is currently used. */ bool shader_instruction_array_clone_instruction(struct vkd3d_shader_instruction_array *instructions, unsigned int dst, unsigned int src) { struct vkd3d_shader_instruction *ins = &instructions->elements[dst]; *ins = instructions->elements[src]; if (ins->dst_count && ins->dst && !(ins->dst = shader_instruction_array_clone_dst_params(instructions, ins->dst, ins->dst_count))) return false; return !ins->src_count || !!(ins->src = shader_instruction_array_clone_src_params(instructions, ins->src, ins->src_count)); } void shader_instruction_array_destroy(struct vkd3d_shader_instruction_array *instructions) { unsigned int i; vkd3d_free(instructions->elements); shader_param_allocator_destroy(&instructions->dst_params); shader_param_allocator_destroy(&instructions->src_params); for (i = 0; i < instructions->icb_count; ++i) vkd3d_free(instructions->icbs[i]); vkd3d_free(instructions->icbs); } void vkd3d_shader_build_varying_map(const struct vkd3d_shader_signature *output_signature, const struct vkd3d_shader_signature *input_signature, unsigned int *ret_count, struct vkd3d_shader_varying_map *varyings) { unsigned int count = 0; unsigned int i; TRACE("output_signature %p, input_signature %p, ret_count %p, varyings %p.\n", output_signature, input_signature, ret_count, varyings); for (i = 0; i < input_signature->element_count; ++i) { const struct vkd3d_shader_signature_element *input_element, *output_element; input_element = &input_signature->elements[i]; if (input_element->sysval_semantic != VKD3D_SHADER_SV_NONE) continue; varyings[count].input_register_index = input_element->register_index; varyings[count].input_mask = input_element->mask; if ((output_element = vkd3d_shader_find_signature_element(output_signature, input_element->semantic_name, input_element->semantic_index, 0))) { varyings[count].output_signature_index = output_element - output_signature->elements; } else { varyings[count].output_signature_index = output_signature->element_count; } ++count; } *ret_count = count; }