2 * Copyright 2012 Advanced Micro Devices, Inc.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
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 AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
24 * Tom Stellard <thomas.stellard@amd.com>
25 * Michel Dänzer <michel.daenzer@amd.com>
26 * Christian König <christian.koenig@amd.com>
32 #include <llvm-c/Core.h> /* LLVMModuleRef */
34 #define SI_SGPR_CONST 0
35 #define SI_SGPR_SAMPLER 2
36 #define SI_SGPR_RESOURCE 4
37 #define SI_SGPR_RW_BUFFERS 6 /* rings (& stream-out, VS only) */
38 #define SI_SGPR_VERTEX_BUFFER 8 /* VS only */
39 #define SI_SGPR_START_INSTANCE 10 /* VS only */
40 #define SI_SGPR_ALPHA_REF 8 /* PS only */
42 #define SI_VS_NUM_USER_SGPR 11
43 #define SI_GS_NUM_USER_SGPR 8
44 #define SI_PS_NUM_USER_SGPR 9
46 /* LLVM function parameter indices */
47 #define SI_PARAM_CONST 0
48 #define SI_PARAM_SAMPLER 1
49 #define SI_PARAM_RESOURCE 2
50 #define SI_PARAM_RW_BUFFERS 3
52 /* VS only parameters */
53 #define SI_PARAM_VERTEX_BUFFER 4
54 #define SI_PARAM_START_INSTANCE 5
55 /* the other VS parameters are assigned dynamically */
57 /* ES only parameters */
58 #define SI_PARAM_ES2GS_OFFSET 6
60 /* GS only parameters */
61 #define SI_PARAM_GS2VS_OFFSET 4
62 #define SI_PARAM_GS_WAVE_ID 5
63 #define SI_PARAM_VTX0_OFFSET 6
64 #define SI_PARAM_VTX1_OFFSET 7
65 #define SI_PARAM_PRIMITIVE_ID 8
66 #define SI_PARAM_VTX2_OFFSET 9
67 #define SI_PARAM_VTX3_OFFSET 10
68 #define SI_PARAM_VTX4_OFFSET 11
69 #define SI_PARAM_VTX5_OFFSET 12
70 #define SI_PARAM_GS_INSTANCE_ID 13
72 /* PS only parameters */
73 #define SI_PARAM_ALPHA_REF 4
74 #define SI_PARAM_PRIM_MASK 5
75 #define SI_PARAM_PERSP_SAMPLE 6
76 #define SI_PARAM_PERSP_CENTER 7
77 #define SI_PARAM_PERSP_CENTROID 8
78 #define SI_PARAM_PERSP_PULL_MODEL 9
79 #define SI_PARAM_LINEAR_SAMPLE 10
80 #define SI_PARAM_LINEAR_CENTER 11
81 #define SI_PARAM_LINEAR_CENTROID 12
82 #define SI_PARAM_LINE_STIPPLE_TEX 13
83 #define SI_PARAM_POS_X_FLOAT 14
84 #define SI_PARAM_POS_Y_FLOAT 15
85 #define SI_PARAM_POS_Z_FLOAT 16
86 #define SI_PARAM_POS_W_FLOAT 17
87 #define SI_PARAM_FRONT_FACE 18
88 #define SI_PARAM_ANCILLARY 19
89 #define SI_PARAM_SAMPLE_COVERAGE 20
90 #define SI_PARAM_POS_FIXED_PT 21
92 #define SI_NUM_PARAMS (SI_PARAM_POS_FIXED_PT + 1)
94 struct si_shader_input
{
97 unsigned param_offset
;
103 struct si_shader_output
{
106 unsigned param_offset
;
111 struct si_pipe_shader
;
113 struct si_pipe_shader_selector
{
114 struct si_pipe_shader
*current
;
116 struct tgsi_token
*tokens
;
117 struct pipe_stream_output_info so
;
119 unsigned num_shaders
;
121 /* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
124 /* 1 when the shader contains
125 * TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS, otherwise it's 0.
126 * Used to determine whether we need to include nr_cbufs in the key */
127 unsigned fs_write_all
;
132 struct si_shader_input input
[40];
135 struct si_shader_output output
[40];
137 /* geometry shader properties */
138 unsigned gs_input_prim
;
139 unsigned gs_output_prim
;
140 unsigned gs_max_out_vertices
;
144 bool uses_instanceid
;
146 bool vs_out_misc_write
;
147 bool vs_out_point_size
;
148 bool vs_out_edgeflag
;
150 unsigned nr_pos_exports
;
151 unsigned clip_dist_write
;
154 union si_shader_key
{
156 unsigned export_16bpc
:8;
158 unsigned color_two_side
:1;
159 unsigned alpha_func
:3;
160 unsigned flatshade
:1;
161 unsigned alpha_to_one
:1;
164 unsigned instance_divisors
[PIPE_MAX_ATTRIBS
];
165 unsigned ucps_enabled
:2;
170 struct si_pipe_shader
{
171 struct si_pipe_shader_selector
*selector
;
172 struct si_pipe_shader
*next_variant
;
173 struct si_pipe_shader
*gs_copy_shader
;
174 struct si_shader shader
;
175 struct si_pm4_state
*pm4
;
176 struct r600_resource
*bo
;
180 unsigned spi_ps_input_ena
;
181 unsigned spi_shader_col_format
;
182 unsigned cb_shader_mask
;
184 unsigned sprite_coord_enable
;
185 union si_shader_key key
;
188 static inline struct si_shader
* si_get_vs_state(struct si_context
*sctx
)
191 return &sctx
->gs_shader
->current
->gs_copy_shader
->shader
;
193 return &sctx
->vs_shader
->current
->shader
;
196 /* radeonsi_shader.c */
197 int si_pipe_shader_create(struct pipe_context
*ctx
, struct si_pipe_shader
*shader
);
198 int si_pipe_shader_create(struct pipe_context
*ctx
, struct si_pipe_shader
*shader
);
199 int si_compile_llvm(struct si_context
*sctx
, struct si_pipe_shader
*shader
,
201 void si_pipe_shader_destroy(struct pipe_context
*ctx
, struct si_pipe_shader
*shader
);