| /* |
| * Copyright (c) 2012-2015 Etnaviv Project |
| * |
| * 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, sub license, |
| * 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 NON-INFRINGEMENT. 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. |
| * |
| * Authors: |
| * Wladimir J. van der Laan <laanwj@gmail.com> |
| */ |
| |
| #ifndef H_ETNAVIV_COMPILER |
| #define H_ETNAVIV_COMPILER |
| |
| #include "etnaviv_context.h" |
| #include "etnaviv_internal.h" |
| #include "pipe/p_compiler.h" |
| #include "pipe/p_shader_tokens.h" |
| |
| /* XXX some of these are pretty arbitrary limits, may be better to switch |
| * to dynamic allocation at some point. |
| */ |
| #define ETNA_MAX_TEMPS (64) /* max temp register count of all Vivante hw */ |
| #define ETNA_MAX_TOKENS (2048) |
| #define ETNA_MAX_IMM (1024) /* max const+imm in 32-bit words */ |
| #define ETNA_MAX_DECL (2048) /* max declarations */ |
| #define ETNA_MAX_DEPTH (32) |
| #define ETNA_MAX_INSTRUCTIONS (2048) |
| |
| /* compiler output per input/output */ |
| struct etna_shader_inout { |
| int reg; /* native register */ |
| struct tgsi_declaration_semantic semantic; /* tgsi semantic name and index */ |
| int num_components; |
| }; |
| |
| struct etna_shader_io_file { |
| size_t num_reg; |
| struct etna_shader_inout reg[ETNA_NUM_INPUTS]; |
| }; |
| |
| /* shader object, for linking */ |
| struct etna_shader { |
| uint processor; /* TGSI_PROCESSOR_... */ |
| uint32_t code_size; /* code size in uint32 words */ |
| uint32_t *code; |
| unsigned num_temps; |
| |
| struct etna_shader_uniform_info uniforms; |
| |
| /* ETNA_DIRTY_* flags that, when set in context dirty, mean that the |
| * uniforms have to get (partial) reloaded. */ |
| uint32_t uniforms_dirty_bits; |
| |
| /* inputs (for linking) for fs, the inputs must be in register 1..N */ |
| struct etna_shader_io_file infile; |
| |
| /* outputs (for linking) */ |
| struct etna_shader_io_file outfile; |
| |
| /* index into outputs (for linking) */ |
| int output_count_per_semantic[TGSI_SEMANTIC_COUNT]; |
| struct etna_shader_inout * *output_per_semantic_list; /* list of pointers to outputs */ |
| struct etna_shader_inout **output_per_semantic[TGSI_SEMANTIC_COUNT]; |
| |
| /* special outputs (vs only) */ |
| int vs_pos_out_reg; /* VS position output */ |
| int vs_pointsize_out_reg; /* VS point size output */ |
| uint32_t vs_load_balancing; |
| |
| /* special outputs (ps only) */ |
| int ps_color_out_reg; /* color output register */ |
| int ps_depth_out_reg; /* depth output register */ |
| |
| /* unknown input property (XX_INPUT_COUNT, field UNK8) */ |
| uint32_t input_count_unk8; |
| }; |
| |
| struct etna_varying { |
| uint32_t pa_attributes; |
| uint8_t num_components; |
| uint8_t use[4]; |
| uint8_t reg; |
| }; |
| |
| struct etna_shader_link_info { |
| /* each PS input is annotated with the VS output reg */ |
| unsigned num_varyings; |
| struct etna_varying varyings[ETNA_NUM_INPUTS]; |
| }; |
| |
| struct etna_shader * |
| etna_compile_shader(const struct etna_specs *specs, const struct tgsi_token *tokens); |
| |
| void |
| etna_dump_shader(const struct etna_shader *shader); |
| |
| bool |
| etna_link_shader(struct etna_shader_link_info *info, |
| const struct etna_shader *vs, const struct etna_shader *fs); |
| |
| void |
| etna_destroy_shader(struct etna_shader *shader); |
| |
| #endif |