| /* |
| * Copyright © 2010 Intel Corporation |
| * Copyright © 2011 Bryan Cain |
| * Copyright © 2017 Gert Wollny |
| * |
| * 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 |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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 "st_glsl_to_tgsi_private.h" |
| #include "tgsi/tgsi_info.h" |
| #include "mesa/program/prog_instruction.h" |
| #include "mesa/program/prog_print.h" |
| |
| static int swizzle_for_type(const glsl_type *type, int component = 0) |
| { |
| unsigned num_elements = 4; |
| |
| if (type) { |
| type = type->without_array(); |
| if (type->is_scalar() || type->is_vector() || type->is_matrix()) |
| num_elements = type->vector_elements; |
| } |
| |
| int swizzle = swizzle_for_size(num_elements); |
| assert(num_elements + component <= 4); |
| |
| swizzle += component * MAKE_SWIZZLE4(1, 1, 1, 1); |
| return swizzle; |
| } |
| |
| static st_src_reg * |
| dup_reladdr(const st_src_reg *input) |
| { |
| if (!input) |
| return NULL; |
| |
| st_src_reg *reg = ralloc(input, st_src_reg); |
| if (!reg) { |
| assert(!"can't create reladdr, expect shader breakage"); |
| return NULL; |
| } |
| |
| *reg = *input; |
| return reg; |
| } |
| |
| st_src_reg::st_src_reg(gl_register_file file, int index, const glsl_type *type, |
| int component, unsigned array_id) |
| { |
| assert(file != PROGRAM_ARRAY || array_id != 0); |
| this->file = file; |
| this->index = index; |
| this->swizzle = swizzle_for_type(type, component); |
| this->negate = 0; |
| this->abs = 0; |
| this->index2D = 0; |
| this->type = type ? type->base_type : GLSL_TYPE_ERROR; |
| this->reladdr = NULL; |
| this->reladdr2 = NULL; |
| this->has_index2 = false; |
| this->double_reg2 = false; |
| this->array_id = array_id; |
| this->is_double_vertex_input = false; |
| } |
| |
| st_src_reg::st_src_reg(gl_register_file file, int index, enum glsl_base_type type) |
| { |
| assert(file != PROGRAM_ARRAY); /* need array_id > 0 */ |
| this->type = type; |
| this->file = file; |
| this->index = index; |
| this->index2D = 0; |
| this->swizzle = SWIZZLE_XYZW; |
| this->negate = 0; |
| this->abs = 0; |
| this->reladdr = NULL; |
| this->reladdr2 = NULL; |
| this->has_index2 = false; |
| this->double_reg2 = false; |
| this->array_id = 0; |
| this->is_double_vertex_input = false; |
| } |
| |
| st_src_reg::st_src_reg(gl_register_file file, int index, enum glsl_base_type type, int index2D) |
| { |
| assert(file != PROGRAM_ARRAY); /* need array_id > 0 */ |
| this->type = type; |
| this->file = file; |
| this->index = index; |
| this->index2D = index2D; |
| this->swizzle = SWIZZLE_XYZW; |
| this->negate = 0; |
| this->abs = 0; |
| this->reladdr = NULL; |
| this->reladdr2 = NULL; |
| this->has_index2 = false; |
| this->double_reg2 = false; |
| this->array_id = 0; |
| this->is_double_vertex_input = false; |
| } |
| |
| void st_src_reg::reset() |
| { |
| this->type = GLSL_TYPE_ERROR; |
| this->file = PROGRAM_UNDEFINED; |
| this->index = 0; |
| this->index2D = 0; |
| this->swizzle = 0; |
| this->negate = 0; |
| this->abs = 0; |
| this->reladdr = NULL; |
| this->reladdr2 = NULL; |
| this->has_index2 = false; |
| this->double_reg2 = false; |
| this->array_id = 0; |
| this->is_double_vertex_input = false; |
| } |
| |
| st_src_reg::st_src_reg() |
| { |
| reset(); |
| } |
| |
| st_src_reg::st_src_reg(const st_src_reg ®) |
| { |
| *this = reg; |
| } |
| |
| void st_src_reg::operator=(const st_src_reg ®) |
| { |
| this->type = reg.type; |
| this->file = reg.file; |
| this->index = reg.index; |
| this->index2D = reg.index2D; |
| this->swizzle = reg.swizzle; |
| this->negate = reg.negate; |
| this->abs = reg.abs; |
| this->reladdr = dup_reladdr(reg.reladdr); |
| this->reladdr2 = dup_reladdr(reg.reladdr2); |
| this->has_index2 = reg.has_index2; |
| this->double_reg2 = reg.double_reg2; |
| this->array_id = reg.array_id; |
| this->is_double_vertex_input = reg.is_double_vertex_input; |
| } |
| |
| st_src_reg::st_src_reg(st_dst_reg reg) |
| { |
| this->type = reg.type; |
| this->file = reg.file; |
| this->index = reg.index; |
| this->swizzle = SWIZZLE_XYZW; |
| this->negate = 0; |
| this->abs = 0; |
| this->reladdr = dup_reladdr(reg.reladdr); |
| this->index2D = reg.index2D; |
| this->reladdr2 = dup_reladdr(reg.reladdr2); |
| this->has_index2 = reg.has_index2; |
| this->double_reg2 = false; |
| this->array_id = reg.array_id; |
| this->is_double_vertex_input = false; |
| } |
| |
| st_src_reg st_src_reg::get_abs() |
| { |
| st_src_reg reg = *this; |
| reg.negate = 0; |
| reg.abs = 1; |
| return reg; |
| } |
| |
| bool operator == (const st_src_reg& lhs, const st_src_reg& rhs) |
| { |
| bool result; |
| |
| if (lhs.type != rhs.type || |
| lhs.file != rhs.file || |
| lhs.index != rhs.index || |
| lhs.swizzle != rhs.swizzle || |
| lhs.index2D != rhs.index2D || |
| lhs.has_index2 != rhs.has_index2 || |
| lhs.array_id != rhs.array_id || |
| lhs.negate != rhs.negate || |
| lhs.abs != rhs.abs || |
| lhs.double_reg2 != rhs.double_reg2 || |
| lhs.is_double_vertex_input != rhs.is_double_vertex_input) |
| return false; |
| |
| if (lhs.reladdr) { |
| if (!rhs.reladdr) |
| return false; |
| result = (*lhs.reladdr == *rhs.reladdr); |
| } else { |
| result = !rhs.reladdr; |
| } |
| |
| if (lhs.reladdr2) { |
| if (!rhs.reladdr2) |
| return false; |
| result &= (*lhs.reladdr2 == *rhs.reladdr2); |
| } else { |
| result &= !rhs.reladdr2; |
| } |
| |
| return result; |
| } |
| |
| static const char swz_txt[] = "xyzw"; |
| |
| std::ostream& operator << (std::ostream& os, const st_src_reg& reg) |
| { |
| if (reg.negate) |
| os << "-"; |
| if (reg.abs) |
| os << "|"; |
| |
| os << _mesa_register_file_name(reg.file); |
| |
| if (reg.file == PROGRAM_ARRAY) { |
| os << "(" << reg.array_id << ")"; |
| } |
| if (reg.has_index2) { |
| os << "["; |
| if (reg.reladdr2) { |
| os << *reg.reladdr2; |
| } |
| os << "+" << reg.index2D << "]"; |
| } |
| os << "["; |
| if (reg.reladdr) { |
| os << *reg.reladdr; |
| } |
| os << reg.index << "]."; |
| for (int i = 0; i < 4; ++i) { |
| int swz = GET_SWZ(reg.swizzle, i); |
| if (swz < 4) |
| os << swz_txt[swz]; |
| else |
| os << "_"; |
| } |
| if (reg.abs) |
| os << "|"; |
| return os; |
| } |
| |
| st_dst_reg::st_dst_reg(st_src_reg reg) |
| { |
| this->type = reg.type; |
| this->file = reg.file; |
| this->index = reg.index; |
| this->writemask = WRITEMASK_XYZW; |
| this->reladdr = dup_reladdr(reg.reladdr); |
| this->index2D = reg.index2D; |
| this->reladdr2 = dup_reladdr(reg.reladdr2); |
| this->has_index2 = reg.has_index2; |
| this->array_id = reg.array_id; |
| } |
| |
| st_dst_reg::st_dst_reg(gl_register_file file, int writemask, enum glsl_base_type type, int index) |
| { |
| assert(file != PROGRAM_ARRAY); /* need array_id > 0 */ |
| this->file = file; |
| this->index = index; |
| this->index2D = 0; |
| this->writemask = writemask; |
| this->reladdr = NULL; |
| this->reladdr2 = NULL; |
| this->has_index2 = false; |
| this->type = type; |
| this->array_id = 0; |
| } |
| |
| st_dst_reg::st_dst_reg(gl_register_file file, int writemask, enum glsl_base_type type) |
| { |
| assert(file != PROGRAM_ARRAY); /* need array_id > 0 */ |
| this->file = file; |
| this->index = 0; |
| this->index2D = 0; |
| this->writemask = writemask; |
| this->reladdr = NULL; |
| this->reladdr2 = NULL; |
| this->has_index2 = false; |
| this->type = type; |
| this->array_id = 0; |
| } |
| |
| st_dst_reg::st_dst_reg() |
| { |
| this->type = GLSL_TYPE_ERROR; |
| this->file = PROGRAM_UNDEFINED; |
| this->index = 0; |
| this->index2D = 0; |
| this->writemask = 0; |
| this->reladdr = NULL; |
| this->reladdr2 = NULL; |
| this->has_index2 = false; |
| this->array_id = 0; |
| } |
| |
| st_dst_reg::st_dst_reg(const st_dst_reg ®) |
| { |
| *this = reg; |
| } |
| |
| void st_dst_reg::operator=(const st_dst_reg ®) |
| { |
| this->type = reg.type; |
| this->file = reg.file; |
| this->index = reg.index; |
| this->writemask = reg.writemask; |
| this->reladdr = dup_reladdr(reg.reladdr); |
| this->index2D = reg.index2D; |
| this->reladdr2 = dup_reladdr(reg.reladdr2); |
| this->has_index2 = reg.has_index2; |
| this->array_id = reg.array_id; |
| } |
| |
| bool operator == (const st_dst_reg& lhs, const st_dst_reg& rhs) |
| { |
| bool result; |
| |
| if (lhs.type != rhs.type || |
| lhs.file != rhs.file || |
| lhs.index != rhs.index || |
| lhs.writemask != rhs.writemask || |
| lhs.index2D != rhs.index2D || |
| lhs.has_index2 != rhs.has_index2 || |
| lhs.array_id != rhs.array_id) |
| return false; |
| |
| if (lhs.reladdr) { |
| if (!rhs.reladdr) |
| return false; |
| result = (*lhs.reladdr == *rhs.reladdr); |
| } else { |
| result = !rhs.reladdr; |
| } |
| |
| if (lhs.reladdr2) { |
| if (!rhs.reladdr2) |
| return false; |
| result &= (*lhs.reladdr2 == *rhs.reladdr2); |
| } else { |
| result &= !rhs.reladdr2; |
| } |
| |
| return result; |
| } |
| |
| std::ostream& operator << (std::ostream& os, const st_dst_reg& reg) |
| { |
| os << _mesa_register_file_name(reg.file); |
| if (reg.file == PROGRAM_ARRAY) { |
| os << "(" << reg.array_id << ")"; |
| } |
| if (reg.has_index2) { |
| os << "["; |
| if (reg.reladdr2) { |
| os << *reg.reladdr2; |
| } |
| os << "+" << reg.index2D << "]"; |
| } |
| os << "["; |
| if (reg.reladdr) { |
| os << *reg.reladdr; |
| } |
| os << reg.index << "]."; |
| for (int i = 0; i < 4; ++i) { |
| if (1 << i & reg.writemask) |
| os << swz_txt[i]; |
| else |
| os << "_"; |
| } |
| |
| return os; |
| } |
| |
| void glsl_to_tgsi_instruction::print(std::ostream& os) const |
| { |
| os << tgsi_get_opcode_name(info->opcode) << " "; |
| |
| bool has_operators = false; |
| for (unsigned j = 0; j < num_inst_dst_regs(this); j++) { |
| has_operators = true; |
| if (j > 0) |
| os << ", "; |
| os << dst[j]; |
| } |
| |
| if (has_operators) |
| os << " := "; |
| |
| for (unsigned j = 0; j < num_inst_src_regs(this); j++) { |
| if (j > 0) |
| os << ", "; |
| os << src[j]; |
| } |
| |
| if (tex_offset_num_offset > 0) { |
| os << ", TEXOFS: "; |
| for (unsigned j = 0; j < tex_offset_num_offset; j++) { |
| if (j > 0) |
| os << ", "; |
| os << tex_offsets[j]; |
| } |
| } |
| } |