181 lines
5.2 KiB
C
181 lines
5.2 KiB
C
/*
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* Copyright © 2022 Imagination Technologies Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ROGUE_BUILD_DATA_H
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#define ROGUE_BUILD_DATA_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "compiler/shader_enums.h"
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#include "nir/nir.h"
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#include "rogue.h"
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/* Max number of I/O varying variables.
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* Fragment shader: MAX_VARYING + 1 (W coefficient).
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* Vertex shader: MAX_VARYING + 1 (position slot).
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*/
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#define ROGUE_MAX_IO_VARYING_VARS (MAX_VARYING + 1)
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/* VERT_ATTRIB_GENERIC0-15 */
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#define ROGUE_MAX_IO_ATTRIB_VARS 16
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/* Max buffers entries that can be used. */
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/* TODO: Currently UBOs are the only supported buffers. */
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#define ROGUE_MAX_BUFFERS 24
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struct rogue_compiler;
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struct rogue_shader;
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struct rogue_shader_binary;
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/**
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* \brief UBO data.
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*/
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struct rogue_ubo_data {
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size_t num_ubo_entries;
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size_t desc_set[ROGUE_MAX_BUFFERS];
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size_t binding[ROGUE_MAX_BUFFERS];
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size_t dest[ROGUE_MAX_BUFFERS];
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size_t size[ROGUE_MAX_BUFFERS];
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};
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/**
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* \brief Compile time constants that need uploading.
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*/
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struct rogue_compile_time_consts_data {
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/* TODO: Output these from the compiler. */
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/* TODO: Add the other types. */
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struct {
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size_t num;
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size_t dest;
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/* TODO: This should probably be bigger. Big enough to account for all
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* available writable special constant regs.
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*/
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uint32_t value[ROGUE_MAX_BUFFERS];
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} static_consts;
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};
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/**
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* \brief Per-stage common build data.
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*/
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struct rogue_common_build_data {
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size_t temps;
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size_t internals;
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size_t coeffs;
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size_t shareds;
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struct rogue_ubo_data ubo_data;
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struct rogue_compile_time_consts_data compile_time_consts_data;
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};
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/**
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* \brief Arguments for the FPU iterator(s)
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* (produces varyings for the fragment shader).
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*/
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struct rogue_iterator_args {
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uint32_t num_fpu_iterators;
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uint32_t fpu_iterators[ROGUE_MAX_IO_VARYING_VARS];
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uint32_t destination[ROGUE_MAX_IO_VARYING_VARS];
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size_t base[ROGUE_MAX_IO_VARYING_VARS];
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size_t components[ROGUE_MAX_IO_VARYING_VARS];
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};
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/**
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* \brief Vertex input register allocations.
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*/
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struct rogue_vertex_inputs {
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size_t num_input_vars;
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size_t base[ROGUE_MAX_IO_ATTRIB_VARS];
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size_t components[ROGUE_MAX_IO_ATTRIB_VARS];
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};
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/**
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* \brief Vertex output allocations.
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*/
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struct rogue_vertex_outputs {
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size_t num_output_vars;
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size_t base[ROGUE_MAX_IO_VARYING_VARS];
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size_t components[ROGUE_MAX_IO_VARYING_VARS];
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};
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/**
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* \brief Stage-specific build data.
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*/
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struct rogue_build_data {
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struct rogue_fs_build_data {
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struct rogue_iterator_args iterator_args;
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enum rogue_msaa_mode msaa_mode;
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bool phas; /* Indicates the presence of PHAS instruction. */
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} fs;
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struct rogue_vs_build_data {
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struct rogue_vertex_inputs inputs;
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size_t num_vertex_input_regs; /* Final number of inputs. */
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struct rogue_vertex_outputs outputs;
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size_t num_vertex_outputs; /* Final number of outputs. */
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size_t num_varyings; /* Final number of varyings. */
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} vs;
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};
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/**
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* \brief Shared multi-stage build context.
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*/
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struct rogue_build_ctx {
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struct rogue_compiler *compiler;
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/* Shaders in various stages of compilations. */
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nir_shader *nir[MESA_SHADER_FRAGMENT + 1];
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struct rogue_shader *rogue[MESA_SHADER_FRAGMENT + 1];
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struct rogue_shader_binary *binary[MESA_SHADER_FRAGMENT + 1];
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struct rogue_common_build_data common_data[MESA_SHADER_FRAGMENT + 1];
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struct rogue_build_data stage_data;
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};
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PUBLIC
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struct rogue_build_ctx *
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rogue_create_build_context(struct rogue_compiler *compiler);
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PUBLIC
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bool rogue_collect_io_data(struct rogue_build_ctx *ctx, nir_shader *nir);
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PUBLIC
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size_t rogue_coeff_index_fs(struct rogue_iterator_args *args,
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gl_varying_slot location,
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size_t component);
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PUBLIC
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size_t rogue_output_index_vs(struct rogue_vertex_outputs *outputs,
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gl_varying_slot location,
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size_t component);
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PUBLIC
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size_t rogue_ubo_reg(struct rogue_ubo_data *ubo_data,
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size_t desc_set,
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size_t binding,
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size_t offset_bytes);
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#endif /* ROGUE_BUILD_DATA_H */
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