| /* |
| * Copyright © 2015 Intel Corporation |
| * |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include "brw_reg.h" |
| #include "compiler/nir/nir.h" |
| #include "brw_compiler.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| int type_size_scalar(const struct glsl_type *type); |
| int type_size_vec4(const struct glsl_type *type); |
| int type_size_dvec4(const struct glsl_type *type); |
| |
| static inline int |
| type_size_scalar_bytes(const struct glsl_type *type) |
| { |
| return type_size_scalar(type) * 4; |
| } |
| |
| static inline int |
| type_size_vec4_bytes(const struct glsl_type *type) |
| { |
| return type_size_vec4(type) * 16; |
| } |
| |
| /* Flags set in the instr->pass_flags field by i965 analysis passes */ |
| enum { |
| BRW_NIR_NON_BOOLEAN = 0x0, |
| |
| /* Indicates that the given instruction's destination is a boolean |
| * value but that it needs to be resolved before it can be used. |
| * On Gen <= 5, CMP instructions return a 32-bit value where the bottom |
| * bit represents the actual true/false value of the compare and the top |
| * 31 bits are undefined. In order to use this value, we have to do a |
| * "resolve" operation by replacing the value of the CMP with -(x & 1) |
| * to sign-extend the bottom bit to 0/~0. |
| */ |
| BRW_NIR_BOOLEAN_NEEDS_RESOLVE = 0x1, |
| |
| /* Indicates that the given instruction's destination is a boolean |
| * value that has intentionally been left unresolved. Not all boolean |
| * values need to be resolved immediately. For instance, if we have |
| * |
| * CMP r1 r2 r3 |
| * CMP r4 r5 r6 |
| * AND r7 r1 r4 |
| * |
| * We don't have to resolve the result of the two CMP instructions |
| * immediately because the AND still does an AND of the bottom bits. |
| * Instead, we can save ourselves instructions by delaying the resolve |
| * until after the AND. The result of the two CMP instructions is left |
| * as BRW_NIR_BOOLEAN_UNRESOLVED. |
| */ |
| BRW_NIR_BOOLEAN_UNRESOLVED = 0x2, |
| |
| /* Indicates a that the given instruction's destination is a boolean |
| * value that does not need a resolve. For instance, if you AND two |
| * values that are BRW_NIR_BOOLEAN_NEEDS_RESOLVE then we know that both |
| * values will be 0/~0 before we get them and the result of the AND is |
| * also guaranteed to be 0/~0 and does not need a resolve. |
| */ |
| BRW_NIR_BOOLEAN_NO_RESOLVE = 0x3, |
| |
| /* A mask to mask the boolean status values off of instr->pass_flags */ |
| BRW_NIR_BOOLEAN_MASK = 0x3, |
| }; |
| |
| void brw_nir_analyze_boolean_resolves(nir_shader *nir); |
| |
| nir_shader *brw_preprocess_nir(const struct brw_compiler *compiler, |
| nir_shader *nir); |
| |
| bool brw_nir_lower_intrinsics(nir_shader *nir, |
| struct brw_stage_prog_data *prog_data); |
| void brw_nir_lower_vs_inputs(nir_shader *nir, |
| bool is_scalar, |
| bool use_legacy_snorm_formula, |
| const uint8_t *vs_attrib_wa_flags); |
| void brw_nir_lower_vue_inputs(nir_shader *nir, bool is_scalar, |
| const struct brw_vue_map *vue_map); |
| void brw_nir_lower_tes_inputs(nir_shader *nir, const struct brw_vue_map *vue); |
| void brw_nir_lower_fs_inputs(nir_shader *nir, |
| const struct gen_device_info *devinfo, |
| const struct brw_wm_prog_key *key); |
| void brw_nir_lower_vue_outputs(nir_shader *nir, bool is_scalar); |
| void brw_nir_lower_tcs_outputs(nir_shader *nir, const struct brw_vue_map *vue, |
| GLenum tes_primitive_mode); |
| void brw_nir_lower_fs_outputs(nir_shader *nir); |
| void brw_nir_lower_cs_shared(nir_shader *nir); |
| |
| nir_shader *brw_postprocess_nir(nir_shader *nir, |
| const struct brw_compiler *compiler, |
| bool is_scalar); |
| |
| bool brw_nir_apply_attribute_workarounds(nir_shader *nir, |
| bool use_legacy_snorm_formula, |
| const uint8_t *attrib_wa_flags); |
| |
| bool brw_nir_apply_trig_workarounds(nir_shader *nir); |
| |
| void brw_nir_apply_tcs_quads_workaround(nir_shader *nir); |
| |
| nir_shader *brw_nir_apply_sampler_key(nir_shader *nir, |
| const struct brw_compiler *compiler, |
| const struct brw_sampler_prog_key_data *key, |
| bool is_scalar); |
| |
| enum brw_reg_type brw_type_for_nir_type(nir_alu_type type); |
| |
| enum glsl_base_type brw_glsl_base_type_for_nir_type(nir_alu_type type); |
| |
| void brw_nir_setup_glsl_uniforms(nir_shader *shader, |
| const struct gl_program *prog, |
| struct brw_stage_prog_data *stage_prog_data, |
| bool is_scalar); |
| |
| void brw_nir_setup_arb_uniforms(nir_shader *shader, struct gl_program *prog, |
| struct brw_stage_prog_data *stage_prog_data); |
| |
| bool brw_nir_opt_peephole_ffma(nir_shader *shader); |
| |
| #define BRW_NIR_FRAG_OUTPUT_INDEX_SHIFT 0 |
| #define BRW_NIR_FRAG_OUTPUT_INDEX_MASK INTEL_MASK(0, 0) |
| #define BRW_NIR_FRAG_OUTPUT_LOCATION_SHIFT 1 |
| #define BRW_NIR_FRAG_OUTPUT_LOCATION_MASK INTEL_MASK(31, 1) |
| |
| #ifdef __cplusplus |
| } |
| #endif |