From: Conor McCarthy cmccarthy@codeweavers.com
--- include/vkd3d_shader.h | 2 + libs/vkd3d-shader/dxil.c | 96 +++++++++++++++++++++++++++ libs/vkd3d-shader/vkd3d_shader_main.c | 3 - 3 files changed, 98 insertions(+), 3 deletions(-)
diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h index cfe54dbf..d329e205 100644 --- a/include/vkd3d_shader.h +++ b/include/vkd3d_shader.h @@ -1463,6 +1463,8 @@ enum vkd3d_shader_sysval_semantic VKD3D_SHADER_SV_TESS_FACTOR_TRIINT = 0x0e, VKD3D_SHADER_SV_TESS_FACTOR_LINEDET = 0x0f, VKD3D_SHADER_SV_TESS_FACTOR_LINEDEN = 0x10, + /** Render target; SV_Target in Direct3D shader model 6 shaders. */ + VKD3D_SHADER_SV_TARGET = 0x40,
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_SYSVAL_SEMANTIC), }; diff --git a/libs/vkd3d-shader/dxil.c b/libs/vkd3d-shader/dxil.c index fd5873dd..db03f0dd 100644 --- a/libs/vkd3d-shader/dxil.c +++ b/libs/vkd3d-shader/dxil.c @@ -290,6 +290,8 @@ struct sm6_parser struct sm6_symbol *global_symbols; size_t global_symbol_count;
+ struct vkd3d_shader_dst_param *output_params; + struct sm6_function *functions; size_t function_count;
@@ -1951,6 +1953,81 @@ static enum vkd3d_result sm6_parser_globals_init(struct sm6_parser *sm6) return VKD3D_OK; }
+static void dst_param_io_init(struct vkd3d_shader_dst_param *param, + const struct signature_element *e, enum vkd3d_shader_register_type reg_type) +{ + enum vkd3d_shader_component_type component_type; + + param->write_mask = e->mask; + param->modifiers = 0; + param->shift = 0; + /* DXIL types do not have signedness. Load signed elements as unsigned. */ + component_type = e->component_type == VKD3D_SHADER_COMPONENT_INT ? VKD3D_SHADER_COMPONENT_UINT : e->component_type; + shader_register_init(¶m->reg, reg_type, vkd3d_data_type_from_component_type(component_type), 0); +} + +static void sm6_parser_init_signature(struct sm6_parser *sm6, const struct shader_signature *s, + enum vkd3d_shader_register_type reg_type, struct vkd3d_shader_dst_param *params) +{ + struct vkd3d_shader_dst_param *param; + const struct signature_element *e; + unsigned int i; + + for (i = 0; i < s->element_count; ++i) + { + e = &s->elements[i]; + + param = ¶ms[i]; + dst_param_io_init(param, e, reg_type); + param->reg.idx[0].offset = i; + param->reg.idx_count = 1; + } +} + +static void sm6_parser_emit_signature(struct sm6_parser *sm6, const struct shader_signature *s, + enum vkd3d_shader_opcode handler_idx, enum vkd3d_shader_opcode siv_handler_idx, + struct vkd3d_shader_dst_param *params) +{ + struct vkd3d_shader_instruction *ins; + struct vkd3d_shader_dst_param *param; + const struct signature_element *e; + unsigned int i; + + for (i = 0; i < s->element_count; ++i) + { + e = &s->elements[i]; + + /* Do not check e->used_mask because in some cases it is zero for used elements. + * TODO: scan ahead for used I/O elements. */ + + if (e->sysval_semantic != VKD3D_SHADER_SV_NONE && e->sysval_semantic != VKD3D_SHADER_SV_TARGET) + { + ins = sm6_parser_add_instruction(sm6, siv_handler_idx); + param = &ins->declaration.register_semantic.reg; + ins->declaration.register_semantic.sysval_semantic = vkd3d_siv_from_sysval(e->sysval_semantic); + } + else + { + ins = sm6_parser_add_instruction(sm6, handler_idx); + param = &ins->declaration.dst; + } + + *param = params[i]; + } +} + +static void sm6_parser_init_output_signature(struct sm6_parser *sm6, const struct shader_signature *output_signature) +{ + sm6_parser_init_signature(sm6, output_signature, + (sm6->p.shader_version.type == VKD3D_SHADER_TYPE_PIXEL) ? VKD3DSPR_COLOROUT : VKD3DSPR_OUTPUT, + sm6->output_params); +} + +static void sm6_parser_emit_output_signature(struct sm6_parser *sm6, const struct shader_signature *output_signature) +{ + sm6_parser_emit_signature(sm6, output_signature, VKD3DSIH_DCL_OUTPUT, VKD3DSIH_DCL_OUTPUT_SIV, sm6->output_params); +} + static const struct sm6_value *sm6_parser_next_function_definition(struct sm6_parser *sm6) { size_t i, count = sm6->function_count; @@ -2365,6 +2442,7 @@ static const struct vkd3d_shader_parser_ops sm6_parser_ops = static enum vkd3d_result sm6_parser_init(struct sm6_parser *sm6, const uint32_t *byte_code, size_t byte_code_size, const char *source_name, struct vkd3d_shader_message_context *message_context) { + const struct shader_signature *output_signature = &sm6->p.shader_desc.output_signature; const struct vkd3d_shader_location location = {.source_name = source_name}; uint32_t version_token, dxil_version, token_count, magic; unsigned int chunk_offset, chunk_size; @@ -2520,6 +2598,14 @@ static enum vkd3d_result sm6_parser_init(struct sm6_parser *sm6, const uint32_t return ret; }
+ if (!(sm6->output_params = shader_parser_get_dst_params(&sm6->p, output_signature->element_count))) + { + ERR("Failed to allocate output parameters.\n"); + vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY, + "Out of memory allocating output parameters."); + return VKD3D_ERROR_OUT_OF_MEMORY; + } + function_count = dxil_block_compute_function_count(&sm6->root_block); if (!(sm6->functions = vkd3d_calloc(function_count, sizeof(*sm6->functions)))) { @@ -2550,6 +2636,8 @@ static enum vkd3d_result sm6_parser_init(struct sm6_parser *sm6, const uint32_t return ret; }
+ sm6_parser_init_output_signature(sm6, output_signature); + if ((ret = sm6_parser_module_init(sm6, &sm6->root_block, 0)) < 0) { if (ret == VKD3D_ERROR_OUT_OF_MEMORY) @@ -2561,6 +2649,14 @@ static enum vkd3d_result sm6_parser_init(struct sm6_parser *sm6, const uint32_t return ret; }
+ if (!sm6_parser_require_space(sm6, output_signature->element_count)) + { + vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY, + "Out of memory emitting shader signature declarations."); + return VKD3D_ERROR_OUT_OF_MEMORY; + } + sm6_parser_emit_output_signature(sm6, output_signature); + for (i = 0; i < sm6->function_count; ++i) { if (!sm6_block_emit_instructions(sm6->functions[i].blocks[0], sm6)) diff --git a/libs/vkd3d-shader/vkd3d_shader_main.c b/libs/vkd3d-shader/vkd3d_shader_main.c index 38f90966..273a543a 100644 --- a/libs/vkd3d-shader/vkd3d_shader_main.c +++ b/libs/vkd3d-shader/vkd3d_shader_main.c @@ -1771,9 +1771,6 @@ void *shader_param_allocator_get(struct vkd3d_shader_param_allocator *allocator, { void *params;
- if (!count) - return NULL; - if (count > allocator->count - allocator->index) { struct vkd3d_shader_param_node *next = shader_param_allocator_node_create(allocator);