summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/r600/r600_shader.h
blob: 2040f732bf5e5bfe3f8132bcc3b9ae7b9b7a5afb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*
 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
 *
 * 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
 * on 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 AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
 */
#ifndef R600_SHADER_H
#define R600_SHADER_H

#include "r600_asm.h"


#ifdef __cplusplus
extern "C" {
#endif


struct r600_shader_io {
	unsigned		name;
	unsigned		gpr;
	unsigned		done;
	int			sid;
	int			spi_sid;
	unsigned		interpolate;
	unsigned		ij_index;
	unsigned        interpolate_location; //  TGSI_INTERPOLATE_LOC_CENTER, CENTROID, SAMPLE
	unsigned		lds_pos; /* for evergreen */
	unsigned		back_color_input;
	unsigned		write_mask;
	int				ring_offset;
};

struct r600_shader {
	unsigned		processor_type;
	struct r600_bytecode		bc;
	unsigned		ninput;
	unsigned		noutput;
	unsigned		nlds;
	struct r600_shader_io	input[40];
	struct r600_shader_io	output[40];
	boolean			uses_kill;
	boolean			fs_write_all;
	boolean			two_side;
	/* Number of color outputs in the TGSI shader,
	 * sometimes it could be higher than nr_cbufs (bug?).
	 * Also with writes_all property on eg+ it will be set to max CB number */
	unsigned		nr_ps_max_color_exports;
	/* Real number of ps color exports compiled in the bytecode */
	unsigned		nr_ps_color_exports;
	/* bit n is set if the shader writes gl_ClipDistance[n] */
	unsigned		clip_dist_write;
	boolean			vs_position_window_space;
	/* flag is set if the shader writes VS_OUT_MISC_VEC (e.g. for PSIZE) */
	boolean			vs_out_misc_write;
	boolean			vs_out_point_size;
	boolean			vs_out_layer;
	boolean			vs_out_viewport;
	boolean			vs_out_edgeflag;
	boolean			has_txq_cube_array_z_comp;
	boolean			uses_tex_buffers;
	boolean                 gs_prim_id_input;

	uint8_t			ps_conservative_z;

	/* Size in bytes of a data item in the ring(s) (single vertex data).
	   Stages with only one ring items 123 will be set to 0. */
	unsigned		ring_item_sizes[4];

	unsigned		indirect_files;
	unsigned		max_arrays;
	unsigned		num_arrays;
	unsigned		vs_as_es;
	unsigned		vs_as_gs_a;
	unsigned                ps_prim_id_input;
	struct r600_shader_array * arrays;

	boolean			uses_doubles;
};

union r600_shader_key {
	struct {
		unsigned	nr_cbufs:4;
		unsigned	color_two_side:1;
		unsigned	alpha_to_one:1;
	} ps;
	struct {
		unsigned	prim_id_out:8;
		unsigned	as_es:1; /* export shader */
		unsigned	as_gs_a:1;
	} vs;
};

struct r600_shader_array {
	unsigned gpr_start;
	unsigned gpr_count;
	unsigned comp_mask;
};

struct r600_pipe_shader {
	struct r600_pipe_shader_selector *selector;
	struct r600_pipe_shader	*next_variant;
	/* for GS - corresponding copy shader (installed as VS) */
	struct r600_pipe_shader *gs_copy_shader;
	struct r600_shader	shader;
	struct r600_command_buffer command_buffer; /* register writes */
	struct r600_resource	*bo;
	unsigned		sprite_coord_enable;
	unsigned		flatshade;
	unsigned		pa_cl_vs_out_cntl;
	unsigned		nr_ps_color_outputs;
	union r600_shader_key	key;
	unsigned		db_shader_control;
	unsigned		ps_depth_export;
	unsigned		enabled_stream_buffers_mask;
};

/* return the table index 0-5 for TGSI_INTERPOLATE_LINEAR/PERSPECTIVE and
 TGSI_INTERPOLATE_LOC_CENTER/SAMPLE/COUNT. Other input values return -1. */
int eg_get_interpolator_index(unsigned interpolate, unsigned location);


#ifdef __cplusplus
}  // extern "C"
#endif


#endif