From: Conor McCarthy cmccarthy@codeweavers.com
--- libs/vkd3d-shader/d3d_asm.c | 4 + libs/vkd3d-shader/ir.c | 109 ++++++++- libs/vkd3d-shader/spirv.c | 291 ++++------------------- libs/vkd3d-shader/vkd3d_shader_private.h | 1 + 4 files changed, 153 insertions(+), 252 deletions(-)
diff --git a/libs/vkd3d-shader/d3d_asm.c b/libs/vkd3d-shader/d3d_asm.c index 6f0af2a76..affbf0aac 100644 --- a/libs/vkd3d-shader/d3d_asm.c +++ b/libs/vkd3d-shader/d3d_asm.c @@ -279,6 +279,7 @@ static const char * const shader_opcode_names[] = [VKD3DSIH_SUB ] = "sub", [VKD3DSIH_SWAPC ] = "swapc", [VKD3DSIH_SWITCH ] = "switch", + [VKD3DSIH_SWITCH_MONOLITHIC ] = "switch", [VKD3DSIH_SYNC ] = "sync", [VKD3DSIH_TEX ] = "texld", [VKD3DSIH_TEXBEM ] = "texbem", @@ -883,6 +884,9 @@ static void shader_dump_register(struct vkd3d_d3d_asm_compiler *compiler, const
if (reg->type == VKD3DSPR_LABEL) { + /* Scalar dimension indicates a case label. */ + if (reg->dimension == VSIR_DIMENSION_SCALAR) + shader_print_int_literal(compiler, "", reg->u.immconst_uint[0], ", "); shader_print_label_id(compiler, "", reg->idx[0].offset); if (reg->idx_count > 1) shader_print_label_id(compiler, ", ", reg->idx[1].offset); diff --git a/libs/vkd3d-shader/ir.c b/libs/vkd3d-shader/ir.c index 4af6f9914..88de1dc12 100644 --- a/libs/vkd3d-shader/ir.c +++ b/libs/vkd3d-shader/ir.c @@ -1441,12 +1441,30 @@ struct cf_flattener_loop_info uint32_t merge_block_id; };
+struct cf_flattener_switch_case +{ + unsigned int value; + unsigned int block_id; +}; + +struct cf_flattener_switch_info +{ + size_t ins_location; + const struct vkd3d_shader_src_param *condition; + unsigned int merge_block_id; + unsigned int default_block_id; + struct cf_flattener_switch_case *cases; + size_t cases_size; + unsigned int cases_count; +}; + struct cf_flattener_info { union { struct cf_flattener_if_info if_; struct cf_flattener_loop_info loop; + struct cf_flattener_switch_info switch_; } u;
enum @@ -1765,18 +1783,100 @@ static enum vkd3d_result cf_flattener_iterate_instruction_array(struct cf_flatte if (!(cf_info = cf_flattener_push_control_flow_level(flattener))) return VKD3D_ERROR_OUT_OF_MEMORY;
- if (!cf_flattener_copy_instruction(flattener, instruction)) - return VKD3D_ERROR_OUT_OF_MEMORY; + merge_block_id = cf_flattener_alloc_block_id(flattener); + + cf_info->u.switch_.ins_location = flattener->instruction_count; + cf_info->u.switch_.condition = src;
+ if (!(dst_ins = cf_flattener_require_space(flattener, 1))) + return VKD3D_ERROR_OUT_OF_MEMORY; + vsir_instruction_init(dst_ins, &instruction->location, VKD3DSIH_SWITCH_MONOLITHIC); + ++flattener->instruction_count; + + cf_info->u.switch_.merge_block_id = merge_block_id; + cf_info->u.switch_.cases = NULL; + cf_info->u.switch_.cases_size = 0; + cf_info->u.switch_.cases_count = 0; + cf_info->u.switch_.default_block_id = 0; + cf_info->inside_block = false; cf_info->current_block = VKD3D_BLOCK_SWITCH;
+ if (!vkd3d_array_reserve((void **)&cf_info->u.switch_.cases, &cf_info->u.switch_.cases_size, + 10, sizeof(*cf_info->u.switch_.cases))) + return VKD3D_ERROR_OUT_OF_MEMORY; + break;
case VKD3DSIH_ENDSWITCH: + { + struct vkd3d_shader_src_param *src_params; + unsigned int j; + + if (!cf_info->u.switch_.default_block_id) + cf_info->u.switch_.default_block_id = cf_info->u.switch_.merge_block_id; + + cf_flattener_emit_label(flattener, cf_info->u.switch_.merge_block_id); + + /* The SWITCH instruction is completed when the endswitch + * instruction is processed because we do not know the number + * of case statements or the default block id in advance.*/ + dst_ins = &flattener->instructions[cf_info->u.switch_.ins_location]; + if (!(src_params = instruction_src_params_alloc(dst_ins, cf_info->u.switch_.cases_count + 2, flattener))) + { + vkd3d_free(cf_info->u.switch_.cases); + return VKD3D_ERROR_OUT_OF_MEMORY; + } + src_params[0] = *cf_info->u.switch_.condition; + src_param_init_label(&src_params[1], cf_info->u.switch_.default_block_id, + cf_info->u.switch_.merge_block_id); + for (j = 0; j < cf_info->u.switch_.cases_count; ++j) + { + src_param_init_label(&src_params[j + 2], cf_info->u.switch_.cases[j].block_id, 0); + src_params[j + 2].reg.dimension = VSIR_DIMENSION_SCALAR; + src_params[j + 2].reg.u.immconst_uint[0] = cf_info->u.switch_.cases[j].value; + } + vkd3d_free(cf_info->u.switch_.cases); + cf_flattener_pop_control_flow_level(flattener); + break; + }
- if (!cf_flattener_copy_instruction(flattener, instruction)) + case VKD3DSIH_CASE: + { + unsigned int label_id, value; + + if (src->swizzle != VKD3D_SHADER_SWIZZLE(X, X, X, X)) + { + WARN("Unexpected src swizzle %#x.\n", src->swizzle); + vkd3d_shader_parser_error(parser, VKD3D_SHADER_ERROR_VSIR_INVALID_SWIZZLE, + "The swizzle for a switch case value is not scalar X."); + } + value = *src->reg.u.immconst_uint; + + if (!vkd3d_array_reserve((void **)&cf_info->u.switch_.cases, &cf_info->u.switch_.cases_size, + cf_info->u.switch_.cases_count + 1, sizeof(*cf_info->u.switch_.cases))) return VKD3D_ERROR_OUT_OF_MEMORY; + + label_id = cf_flattener_alloc_block_id(flattener); + if (cf_info->inside_block) /* fall-through */ + cf_flattener_emit_unconditional_branch(flattener, label_id); + + cf_info->u.switch_.cases[cf_info->u.switch_.cases_count].value = value; + cf_info->u.switch_.cases[cf_info->u.switch_.cases_count].block_id = label_id; + ++cf_info->u.switch_.cases_count; + + cf_flattener_emit_label(flattener, label_id); + cf_info->inside_block = true; + break; + } + + case VKD3DSIH_DEFAULT: + cf_info->u.switch_.default_block_id = cf_flattener_alloc_block_id(flattener); + if (cf_info->inside_block) /* fall-through */ + cf_flattener_emit_unconditional_branch(flattener, cf_info->u.switch_.default_block_id); + + cf_flattener_emit_label(flattener, cf_info->u.switch_.default_block_id); + cf_info->inside_block = true; break;
case VKD3DSIH_BREAK: @@ -1795,8 +1895,7 @@ static enum vkd3d_result cf_flattener_iterate_instruction_array(struct cf_flatte } else if (breakable_cf_info->current_block == VKD3D_BLOCK_SWITCH) { - if (!cf_flattener_copy_instruction(flattener, instruction)) - return VKD3D_ERROR_OUT_OF_MEMORY; + cf_flattener_emit_unconditional_branch(flattener, breakable_cf_info->u.switch_.merge_block_id); }
cf_info->inside_block = false; diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index b96b44f73..283204be8 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -352,6 +352,12 @@ static bool vkd3d_spirv_stream_append(struct vkd3d_spirv_stream *dst_stream, return true; }
+static void vkd3d_spirv_stream_add_word_count(struct vkd3d_spirv_stream *stream, size_t location, + unsigned int word_count) +{ + stream->words[location] += word_count << SpvWordCountShift; +} + struct vkd3d_spirv_builder { uint64_t capability_mask; @@ -2244,32 +2250,6 @@ static const char *debug_vkd3d_symbol(const struct vkd3d_symbol *symbol) } }
-struct vkd3d_switch_cf_info -{ - size_t stream_location; - unsigned int id; - uint32_t selector_id; - uint32_t merge_block_id; - uint32_t default_block_id; - uint32_t *case_blocks; - size_t case_blocks_size; - unsigned int case_block_count; -}; - -struct vkd3d_control_flow_info -{ - union - { - struct vkd3d_switch_cf_info switch_; - } u; - - enum - { - VKD3D_BLOCK_SWITCH, - } current_block; - bool inside_block; -}; - struct vkd3d_push_constant_buffer_binding { struct vkd3d_shader_register reg; @@ -2323,11 +2303,6 @@ struct spirv_compiler
enum vkd3d_shader_type shader_type;
- unsigned int switch_id; - unsigned int control_flow_depth; - struct vkd3d_control_flow_info *control_flow_info; - size_t control_flow_info_size; - struct vkd3d_shader_interface_info shader_interface; struct vkd3d_shader_descriptor_offset_info offset_info; uint32_t descriptor_offsets_member_id; @@ -2409,8 +2384,6 @@ static const char *spirv_compiler_get_entry_point_name(const struct spirv_compil
static void spirv_compiler_destroy(struct spirv_compiler *compiler) { - vkd3d_free(compiler->control_flow_info); - vkd3d_free(compiler->output_info);
vkd3d_free(compiler->push_constants); @@ -7576,208 +7549,6 @@ static void spirv_compiler_emit_kill(struct spirv_compiler *compiler, vkd3d_spirv_build_op_label(builder, merge_block_id); }
-static struct vkd3d_control_flow_info *spirv_compiler_push_control_flow_level( - struct spirv_compiler *compiler) -{ - if (!vkd3d_array_reserve((void **)&compiler->control_flow_info, &compiler->control_flow_info_size, - compiler->control_flow_depth + 1, sizeof(*compiler->control_flow_info))) - { - ERR("Failed to allocate control flow info structure.\n"); - return NULL; - } - - return &compiler->control_flow_info[compiler->control_flow_depth++]; -} - -static void spirv_compiler_pop_control_flow_level(struct spirv_compiler *compiler) -{ - struct vkd3d_control_flow_info *cf_info; - - assert(compiler->control_flow_depth); - - cf_info = &compiler->control_flow_info[--compiler->control_flow_depth]; - memset(cf_info, 0, sizeof(*cf_info)); -} - -static struct vkd3d_control_flow_info *spirv_compiler_find_innermost_breakable_cf_construct( - struct spirv_compiler *compiler) -{ - int depth; - - for (depth = compiler->control_flow_depth - 1; depth >= 0; --depth) - { - if (compiler->control_flow_info[depth].current_block == VKD3D_BLOCK_SWITCH) - return &compiler->control_flow_info[depth]; - } - - return NULL; -} - -static void spirv_compiler_emit_label(struct spirv_compiler *compiler, - const struct vkd3d_shader_instruction *instruction); - -static int spirv_compiler_emit_control_flow_instruction(struct spirv_compiler *compiler, - const struct vkd3d_shader_instruction *instruction) -{ - struct vkd3d_spirv_builder *builder = &compiler->spirv_builder; - const struct vkd3d_shader_src_param *src = instruction->src; - struct vkd3d_control_flow_info *cf_info; - uint32_t merge_block_id, val_id; - - cf_info = compiler->control_flow_depth - ? &compiler->control_flow_info[compiler->control_flow_depth - 1] : NULL; - - switch (instruction->handler_idx) - { - case VKD3DSIH_LABEL: - if (cf_info) - cf_info->inside_block = true; - spirv_compiler_emit_label(compiler, instruction); - break; - - case VKD3DSIH_SWITCH: - if (!(cf_info = spirv_compiler_push_control_flow_level(compiler))) - return VKD3D_ERROR_OUT_OF_MEMORY; - - merge_block_id = vkd3d_spirv_alloc_id(builder); - - assert(src->reg.data_type == VKD3D_DATA_INT); - val_id = spirv_compiler_emit_load_src(compiler, src, VKD3DSP_WRITEMASK_0); - - vkd3d_spirv_build_op_selection_merge(builder, merge_block_id, SpvSelectionControlMaskNone); - - cf_info->u.switch_.id = compiler->switch_id; - cf_info->u.switch_.merge_block_id = merge_block_id; - cf_info->u.switch_.stream_location = vkd3d_spirv_stream_current_location(&builder->function_stream); - cf_info->u.switch_.selector_id = val_id; - cf_info->u.switch_.case_blocks = NULL; - cf_info->u.switch_.case_blocks_size = 0; - cf_info->u.switch_.case_block_count = 0; - cf_info->u.switch_.default_block_id = 0; - cf_info->inside_block = false; - cf_info->current_block = VKD3D_BLOCK_SWITCH; - - vkd3d_spirv_build_op_name(builder, merge_block_id, "switch%u_merge", compiler->switch_id); - - ++compiler->switch_id; - - if (!vkd3d_array_reserve((void **)&cf_info->u.switch_.case_blocks, &cf_info->u.switch_.case_blocks_size, - 10, sizeof(*cf_info->u.switch_.case_blocks))) - return VKD3D_ERROR_OUT_OF_MEMORY; - - break; - - case VKD3DSIH_ENDSWITCH: - assert(compiler->control_flow_depth); - assert(cf_info->current_block == VKD3D_BLOCK_SWITCH); - assert(!cf_info->inside_block); - - if (!cf_info->u.switch_.default_block_id) - cf_info->u.switch_.default_block_id = cf_info->u.switch_.merge_block_id; - - vkd3d_spirv_build_op_label(builder, cf_info->u.switch_.merge_block_id); - - /* The OpSwitch instruction is inserted when the endswitch - * instruction is processed because we do not know the number - * of case statements in advance.*/ - vkd3d_spirv_begin_function_stream_insertion(builder, cf_info->u.switch_.stream_location); - vkd3d_spirv_build_op_switch(builder, cf_info->u.switch_.selector_id, - cf_info->u.switch_.default_block_id, cf_info->u.switch_.case_blocks, - cf_info->u.switch_.case_block_count); - vkd3d_spirv_end_function_stream_insertion(builder); - - vkd3d_free(cf_info->u.switch_.case_blocks); - spirv_compiler_pop_control_flow_level(compiler); - break; - - case VKD3DSIH_CASE: - { - uint32_t label_id, value; - - assert(compiler->control_flow_depth); - assert(cf_info->current_block == VKD3D_BLOCK_SWITCH); - - if (src->swizzle != VKD3D_SHADER_SWIZZLE(X, X, X, X)) - { - WARN("Unexpected src swizzle %#x.\n", src->swizzle); - spirv_compiler_warning(compiler, VKD3D_SHADER_WARNING_SPV_INVALID_SWIZZLE, - "The swizzle for a switch case value is not scalar."); - } - assert(src->reg.type == VKD3DSPR_IMMCONST); - value = *src->reg.u.immconst_uint; - - if (!vkd3d_array_reserve((void **)&cf_info->u.switch_.case_blocks, &cf_info->u.switch_.case_blocks_size, - 2 * (cf_info->u.switch_.case_block_count + 1), sizeof(*cf_info->u.switch_.case_blocks))) - return VKD3D_ERROR_OUT_OF_MEMORY; - - label_id = vkd3d_spirv_alloc_id(builder); - if (cf_info->inside_block) /* fall-through */ - vkd3d_spirv_build_op_branch(builder, label_id); - - cf_info->u.switch_.case_blocks[2 * cf_info->u.switch_.case_block_count + 0] = value; - cf_info->u.switch_.case_blocks[2 * cf_info->u.switch_.case_block_count + 1] = label_id; - ++cf_info->u.switch_.case_block_count; - - vkd3d_spirv_build_op_label(builder, label_id); - cf_info->inside_block = true; - vkd3d_spirv_build_op_name(builder, label_id, "switch%u_case%u", cf_info->u.switch_.id, value); - break; - } - - case VKD3DSIH_DEFAULT: - assert(compiler->control_flow_depth); - assert(cf_info->current_block == VKD3D_BLOCK_SWITCH); - assert(!cf_info->u.switch_.default_block_id); - - cf_info->u.switch_.default_block_id = vkd3d_spirv_alloc_id(builder); - if (cf_info->inside_block) /* fall-through */ - vkd3d_spirv_build_op_branch(builder, cf_info->u.switch_.default_block_id); - - vkd3d_spirv_build_op_label(builder, cf_info->u.switch_.default_block_id); - vkd3d_spirv_build_op_name(builder, cf_info->u.switch_.default_block_id, - "switch%u_default", cf_info->u.switch_.id); - cf_info->inside_block = true; - break; - - case VKD3DSIH_BREAK: - { - struct vkd3d_control_flow_info *breakable_cf_info; - - assert(compiler->control_flow_depth); - - if (!(breakable_cf_info = spirv_compiler_find_innermost_breakable_cf_construct(compiler))) - { - FIXME("Unhandled break instruction.\n"); - return VKD3D_ERROR_INVALID_SHADER; - } - - if (breakable_cf_info->current_block == VKD3D_BLOCK_SWITCH) - { - /* The current case block may have already been ended by an - * unconditional continue instruction. */ - if (breakable_cf_info->inside_block) - vkd3d_spirv_build_op_branch(builder, breakable_cf_info->u.switch_.merge_block_id); - } - - cf_info->inside_block = false; - break; - } - - case VKD3DSIH_RET: - spirv_compiler_emit_return(compiler, instruction); - - if (cf_info) - cf_info->inside_block = false; - break; - - default: - ERR("Unexpected instruction %#x.\n", instruction->handler_idx); - break; - } - - return VKD3D_OK; -} - static bool spirv_compiler_init_blocks(struct spirv_compiler *compiler, unsigned int block_count) { compiler->block_count = block_count; @@ -7856,6 +7627,37 @@ static void spirv_compiler_emit_branch(struct spirv_compiler *compiler, spirv_compiler_get_label_id(compiler, src[1].reg.idx[1].offset)); }
+static void spirv_compiler_emit_switch(struct spirv_compiler *compiler, + const struct vkd3d_shader_instruction *instruction) +{ + struct vkd3d_spirv_builder *builder = &compiler->spirv_builder; + struct vkd3d_spirv_stream *stream = &builder->function_stream; + const struct vkd3d_shader_src_param *src = instruction->src; + uint32_t val_id; + size_t location; + unsigned int i; + + if (!vkd3d_swizzle_is_scalar(src[0].swizzle)) + { + WARN("Unexpected src swizzle %#x.\n", src[0].swizzle); + spirv_compiler_warning(compiler, VKD3D_SHADER_WARNING_SPV_INVALID_SWIZZLE, + "The swizzle for a switch value is not scalar."); + } + + val_id = spirv_compiler_emit_load_src(compiler, &src[0], VKD3DSP_WRITEMASK_0); + /* Emit the merge immediately before the switch instruction. */ + spirv_compiler_emit_merge(compiler, src[1].reg.idx[1].offset, 0); + location = vkd3d_spirv_stream_current_location(stream); + vkd3d_spirv_build_op_switch(builder, val_id, + spirv_compiler_get_label_id(compiler, src[1].reg.idx[0].offset), NULL, 0); + for (i = 2; i < instruction->src_count; ++i) + { + vkd3d_spirv_build_word(stream, src[i].reg.u.immconst_uint[0]); + vkd3d_spirv_build_word(stream, spirv_compiler_get_label_id(compiler, src[i].reg.idx[0].offset)); + } + vkd3d_spirv_stream_add_word_count(stream, location, (instruction->src_count - 2) * 2u); +} + static void spirv_compiler_emit_deriv_instruction(struct spirv_compiler *compiler, const struct vkd3d_shader_instruction *instruction) { @@ -9600,19 +9402,8 @@ static int spirv_compiler_handle_instruction(struct spirv_compiler *compiler, case VKD3DSIH_F32TOF16: spirv_compiler_emit_f32tof16(compiler, instruction); break; - case VKD3DSIH_BREAK: - case VKD3DSIH_BREAKP: - case VKD3DSIH_CASE: - case VKD3DSIH_CONTINUE: - case VKD3DSIH_CONTINUEP: - case VKD3DSIH_DEFAULT: - case VKD3DSIH_ENDLOOP: - case VKD3DSIH_ENDSWITCH: - case VKD3DSIH_LABEL: - case VKD3DSIH_LOOP: case VKD3DSIH_RET: - case VKD3DSIH_SWITCH: - ret = spirv_compiler_emit_control_flow_instruction(compiler, instruction); + spirv_compiler_emit_return(compiler, instruction); break; case VKD3DSIH_RETP: spirv_compiler_emit_retc(compiler, instruction); @@ -9621,9 +9412,15 @@ static int spirv_compiler_handle_instruction(struct spirv_compiler *compiler, case VKD3DSIH_TEXKILL: spirv_compiler_emit_kill(compiler, instruction); break; + case VKD3DSIH_LABEL: + spirv_compiler_emit_label(compiler, instruction); + break; case VKD3DSIH_BRANCH: spirv_compiler_emit_branch(compiler, instruction); break; + case VKD3DSIH_SWITCH_MONOLITHIC: + spirv_compiler_emit_switch(compiler, instruction); + break; case VKD3DSIH_DSX: case VKD3DSIH_DSX_COARSE: case VKD3DSIH_DSX_FINE: diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h index 40bfd7d5c..f5c87df3e 100644 --- a/libs/vkd3d-shader/vkd3d_shader_private.h +++ b/libs/vkd3d-shader/vkd3d_shader_private.h @@ -472,6 +472,7 @@ enum vkd3d_shader_opcode VKD3DSIH_SUB, VKD3DSIH_SWAPC, VKD3DSIH_SWITCH, + VKD3DSIH_SWITCH_MONOLITHIC, VKD3DSIH_SYNC, VKD3DSIH_TEX, VKD3DSIH_TEXBEM,