2 * Copyright (c) 2012-2015 Etnaviv Project
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sub license,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Wladimir J. van der Laan <laanwj@gmail.com>
27 #ifndef H_ETNAVIV_COMPILER
28 #define H_ETNAVIV_COMPILER
30 #include "etnaviv_context.h"
31 #include "etnaviv_internal.h"
32 #include "etnaviv_shader.h"
33 #include "pipe/p_compiler.h"
34 #include "pipe/p_shader_tokens.h"
35 #include "compiler/shader_enums.h"
37 /* XXX some of these are pretty arbitrary limits, may be better to switch
38 * to dynamic allocation at some point.
40 #define ETNA_MAX_TEMPS (64) /* max temp register count of all Vivante hw */
41 #define ETNA_MAX_TOKENS (2048)
42 #define ETNA_MAX_IMM (1024) /* max const+imm in 32-bit words */
43 #define ETNA_MAX_DECL (2048) /* max declarations */
44 #define ETNA_MAX_DEPTH (32)
45 #define ETNA_MAX_INSTRUCTIONS (2048)
47 /* compiler output per input/output */
48 struct etna_shader_inout
{
49 int reg
; /* native register */
50 struct tgsi_declaration_semantic semantic
; /* tgsi semantic name and index */
51 int slot
; /* nir: gl_varying_slot or gl_vert_attrib */
55 struct etna_shader_io_file
{
57 struct etna_shader_inout reg
[ETNA_NUM_INPUTS
];
60 /* shader object, for linking */
61 struct etna_shader_variant
{
62 uint32_t id
; /* for debug */
64 gl_shader_stage stage
;
65 uint32_t code_size
; /* code size in uint32 words */
70 struct etna_shader_uniform_info uniforms
;
72 /* ETNA_DIRTY_* flags that, when set in context dirty, mean that the
73 * uniforms have to get (partial) reloaded. */
74 uint32_t uniforms_dirty_bits
;
76 /* inputs (for linking) for fs, the inputs must be in register 1..N */
77 struct etna_shader_io_file infile
;
79 /* outputs (for linking) */
80 struct etna_shader_io_file outfile
;
82 /* index into outputs (for linking) - only for TGSI compiler */
83 int output_count_per_semantic
[TGSI_SEMANTIC_COUNT
];
84 struct etna_shader_inout
* *output_per_semantic_list
; /* list of pointers to outputs */
85 struct etna_shader_inout
**output_per_semantic
[TGSI_SEMANTIC_COUNT
];
87 /* special inputs/outputs (vs only) */
88 int vs_id_in_reg
; /* vertexid+instanceid input */
89 int vs_pos_out_reg
; /* VS position output */
90 int vs_pointsize_out_reg
; /* VS point size output */
91 uint32_t vs_load_balancing
;
93 /* special outputs (ps only) */
94 int ps_color_out_reg
; /* color output register */
95 int ps_depth_out_reg
; /* depth output register */
97 /* unknown input property (XX_INPUT_COUNT, field UNK8) */
98 uint32_t input_count_unk8
;
100 /* shader is larger than GPU instruction limit, thus needs icache */
103 /* shader variants form a linked list */
104 struct etna_shader_variant
*next
;
106 /* replicated here to avoid passing extra ptrs everywhere */
107 struct etna_shader
*shader
;
108 struct etna_shader_key key
;
110 struct etna_bo
*bo
; /* cached code memory bo handle (for icache) */
113 struct etna_varying
{
114 uint32_t pa_attributes
;
115 uint8_t num_components
;
120 struct etna_shader_link_info
{
121 /* each PS input is annotated with the VS output reg */
122 unsigned num_varyings
;
123 struct etna_varying varyings
[ETNA_NUM_INPUTS
];
124 int pcoord_varying_comp_ofs
;
128 etna_compile_shader(struct etna_shader_variant
*shader
);
131 etna_dump_shader(const struct etna_shader_variant
*shader
);
134 etna_link_shader(struct etna_shader_link_info
*info
,
135 const struct etna_shader_variant
*vs
, const struct etna_shader_variant
*fs
);
138 etna_destroy_shader(struct etna_shader_variant
*shader
);
143 etna_compile_shader_nir(struct etna_shader_variant
*shader
);
146 etna_dump_shader_nir(const struct etna_shader_variant
*shader
);
149 etna_link_shader_nir(struct etna_shader_link_info
*info
,
150 const struct etna_shader_variant
*vs
,
151 const struct etna_shader_variant
*fs
);
154 etna_destroy_shader_nir(struct etna_shader_variant
*shader
);