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_BASE_VERTEX 10 /* VS only */
40 #define SI_SGPR_START_INSTANCE 11 /* VS only */
41 #define SI_SGPR_ALPHA_REF 8 /* PS only */
43 #define SI_VS_NUM_USER_SGPR 12
44 #define SI_GS_NUM_USER_SGPR 8
45 #define SI_PS_NUM_USER_SGPR 9
47 /* LLVM function parameter indices */
48 #define SI_PARAM_CONST 0
49 #define SI_PARAM_SAMPLER 1
50 #define SI_PARAM_RESOURCE 2
51 #define SI_PARAM_RW_BUFFERS 3
53 /* VS only parameters */
54 #define SI_PARAM_VERTEX_BUFFER 4
55 #define SI_PARAM_BASE_VERTEX 5
56 #define SI_PARAM_START_INSTANCE 6
57 /* the other VS parameters are assigned dynamically */
59 /* ES only parameters */
60 #define SI_PARAM_ES2GS_OFFSET 7
62 /* GS only parameters */
63 #define SI_PARAM_GS2VS_OFFSET 4
64 #define SI_PARAM_GS_WAVE_ID 5
65 #define SI_PARAM_VTX0_OFFSET 6
66 #define SI_PARAM_VTX1_OFFSET 7
67 #define SI_PARAM_PRIMITIVE_ID 8
68 #define SI_PARAM_VTX2_OFFSET 9
69 #define SI_PARAM_VTX3_OFFSET 10
70 #define SI_PARAM_VTX4_OFFSET 11
71 #define SI_PARAM_VTX5_OFFSET 12
72 #define SI_PARAM_GS_INSTANCE_ID 13
74 /* PS only parameters */
75 #define SI_PARAM_ALPHA_REF 4
76 #define SI_PARAM_PRIM_MASK 5
77 #define SI_PARAM_PERSP_SAMPLE 6
78 #define SI_PARAM_PERSP_CENTER 7
79 #define SI_PARAM_PERSP_CENTROID 8
80 #define SI_PARAM_PERSP_PULL_MODEL 9
81 #define SI_PARAM_LINEAR_SAMPLE 10
82 #define SI_PARAM_LINEAR_CENTER 11
83 #define SI_PARAM_LINEAR_CENTROID 12
84 #define SI_PARAM_LINE_STIPPLE_TEX 13
85 #define SI_PARAM_POS_X_FLOAT 14
86 #define SI_PARAM_POS_Y_FLOAT 15
87 #define SI_PARAM_POS_Z_FLOAT 16
88 #define SI_PARAM_POS_W_FLOAT 17
89 #define SI_PARAM_FRONT_FACE 18
90 #define SI_PARAM_ANCILLARY 19
91 #define SI_PARAM_SAMPLE_COVERAGE 20
92 #define SI_PARAM_POS_FIXED_PT 21
94 #define SI_NUM_PARAMS (SI_PARAM_POS_FIXED_PT + 1)
96 struct si_shader_input
{
99 unsigned param_offset
;
101 unsigned interpolate
;
105 struct si_shader_output
{
108 unsigned param_offset
;
113 struct si_pipe_shader
;
115 struct si_pipe_shader_selector
{
116 struct si_pipe_shader
*current
;
118 struct tgsi_token
*tokens
;
119 struct pipe_stream_output_info so
;
121 unsigned num_shaders
;
123 /* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
126 /* 1 when the shader contains
127 * TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS, otherwise it's 0.
128 * Used to determine whether we need to include nr_cbufs in the key */
129 unsigned fs_write_all
;
134 struct si_shader_input input
[40];
137 struct si_shader_output output
[40];
139 /* geometry shader properties */
140 unsigned gs_input_prim
;
141 unsigned gs_output_prim
;
142 unsigned gs_max_out_vertices
;
143 unsigned ps_conservative_z
;
147 bool uses_instanceid
;
149 bool vs_out_misc_write
;
150 bool vs_out_point_size
;
151 bool vs_out_edgeflag
;
153 unsigned nr_pos_exports
;
154 unsigned clip_dist_write
;
157 union si_shader_key
{
159 unsigned export_16bpc
:8;
161 unsigned color_two_side
:1;
162 unsigned alpha_func
:3;
163 unsigned flatshade
:1;
164 unsigned interp_at_sample
:1;
165 unsigned alpha_to_one
:1;
168 unsigned instance_divisors
[PIPE_MAX_ATTRIBS
];
169 unsigned ucps_enabled
:2;
174 struct si_pipe_shader
{
175 struct si_pipe_shader_selector
*selector
;
176 struct si_pipe_shader
*next_variant
;
177 struct si_pipe_shader
*gs_copy_shader
;
178 struct si_shader shader
;
179 struct si_pm4_state
*pm4
;
180 struct r600_resource
*bo
;
181 struct r600_resource
*scratch_bo
;
185 unsigned spi_ps_input_ena
;
186 unsigned scratch_bytes_per_wave
;
187 unsigned spi_shader_col_format
;
188 unsigned spi_shader_z_format
;
189 unsigned db_shader_control
;
190 unsigned cb_shader_mask
;
192 unsigned sprite_coord_enable
;
193 union si_shader_key key
;
196 static inline struct si_shader
* si_get_vs_state(struct si_context
*sctx
)
199 return &sctx
->gs_shader
->current
->gs_copy_shader
->shader
;
201 return &sctx
->vs_shader
->current
->shader
;
204 /* radeonsi_shader.c */
205 int si_pipe_shader_create(struct pipe_context
*ctx
, struct si_pipe_shader
*shader
);
206 int si_pipe_shader_create(struct pipe_context
*ctx
, struct si_pipe_shader
*shader
);
207 int si_compile_llvm(struct si_context
*sctx
, struct si_pipe_shader
*shader
,
209 void si_pipe_shader_destroy(struct pipe_context
*ctx
, struct si_pipe_shader
*shader
);