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* Copyright (c) 2012-2015 Etnaviv Project
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE 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
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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* Wladimir J. van der Laan <laanwj@gmail.com>
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#ifndef H_ETNAVIV_COMPILER
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#define H_ETNAVIV_COMPILER
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#include "etnaviv_context.h"
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#include "etnaviv_internal.h"
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#include "etnaviv_shader.h"
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#include "pipe/p_compiler.h"
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#include "pipe/p_shader_tokens.h"
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#include "compiler/shader_enums.h"
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#include "util/disk_cache.h"
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/* XXX some of these are pretty arbitrary limits, may be better to switch
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* to dynamic allocation at some point.
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#define ETNA_MAX_TEMPS (64) /* max temp register count of all Vivante hw */
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#define ETNA_MAX_TOKENS (2048)
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#define ETNA_MAX_IMM (1024) /* max const+imm in 32-bit words */
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#define ETNA_MAX_DEPTH (32)
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#define ETNA_MAX_INSTRUCTIONS (2048)
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* Compiler state saved across compiler invocations, for any expensive global
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struct etna_compiler {
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uint32_t shader_count;
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struct disk_cache *disk_cache;
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/* compiler output per input/output */
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struct etna_shader_inout {
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int reg; /* native register */
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int slot; /* nir: gl_varying_slot or gl_vert_attrib */
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struct etna_shader_io_file {
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struct etna_shader_inout reg[ETNA_NUM_INPUTS];
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/* shader object, for linking */
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struct etna_shader_variant {
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uint32_t id; /* for debug */
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/* shader variants form a linked list */
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struct etna_shader_variant *next;
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/* replicated here to avoid passing extra ptrs everywhere */
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struct etna_shader *shader;
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struct etna_shader_key key;
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struct etna_bo *bo; /* cached code memory bo handle (for icache) */
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* Below here is serialized when written to disk cache:
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struct etna_shader_uniform_info uniforms;
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* The following macros are used by the shader disk cache save/
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* restore paths to serialize/deserialize the variant. Any
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* pointers that require special handling in store_variant()
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* and retrieve_variant() should go above here.
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#define VARIANT_CACHE_START offsetof(struct etna_shader_variant, stage)
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#define VARIANT_CACHE_PTR(v) (((char *)v) + VARIANT_CACHE_START)
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#define VARIANT_CACHE_SIZE (sizeof(struct etna_shader_variant) - VARIANT_CACHE_START)
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gl_shader_stage stage;
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uint32_t code_size; /* code size in uint32 words */
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/* ETNA_DIRTY_* flags that, when set in context dirty, mean that the
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* uniforms have to get (partial) reloaded. */
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uint32_t uniforms_dirty_bits;
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/* inputs (for linking) for fs, the inputs must be in register 1..N */
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struct etna_shader_io_file infile;
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/* outputs (for linking) */
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struct etna_shader_io_file outfile;
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/* special inputs/outputs (vs only) */
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int vs_id_in_reg; /* vertexid+instanceid input */
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int vs_pos_out_reg; /* VS position output */
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int vs_pointsize_out_reg; /* VS point size output */
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uint32_t vs_load_balancing;
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/* special outputs (ps only) */
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int ps_color_out_reg; /* color output register */
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int ps_depth_out_reg; /* depth output register */
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/* unknown input property (XX_INPUT_COUNT, field UNK8) */
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uint32_t input_count_unk8;
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/* shader is larger than GPU instruction limit, thus needs icache */
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/* shader uses pixel kill/discard */
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struct etna_varying {
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uint32_t pa_attributes;
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uint8_t num_components;
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struct etna_shader_link_info {
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/* each PS input is annotated with the VS output reg */
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unsigned num_varyings;
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struct etna_varying varyings[ETNA_NUM_INPUTS];
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int pcoord_varying_comp_ofs;
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struct etna_compiler *
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etna_compiler_create(const char *renderer);
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etna_compiler_destroy(const struct etna_compiler *compiler);
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etna_compile_shader(struct etna_shader_variant *shader);
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etna_dump_shader(const struct etna_shader_variant *shader);
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etna_link_shader(struct etna_shader_link_info *info,
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const struct etna_shader_variant *vs,
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const struct etna_shader_variant *fs);
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etna_destroy_shader(struct etna_shader_variant *shader);