radeonsi_shader.h revision d1e40b3d40b2e90ad4f275565f1ae27fe6f964cc 
1/*
2 * Copyright 2012 Advanced Micro Devices, Inc.
3 *
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:
10 *
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
13 * Software.
14 *
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.
22 *
23 * Authors:
24 *	Tom Stellard <thomas.stellard@amd.com>
25 *	Michel Dänzer <michel.daenzer@amd.com>
26 *      Christian König <christian.koenig@amd.com>
27 */
28
29#ifndef RADEONSI_SHADER_H
30#define RADEONSI_SHADER_H
31
32struct si_shader_io {
33	unsigned		name;
34	int			sid;
35	unsigned		param_offset;
36	unsigned		interpolate;
37	bool			centroid;
38};
39
40struct si_pipe_shader;
41
42struct si_pipe_shader_selector {
43	struct si_pipe_shader *current;
44
45	struct tgsi_token       *tokens;
46	struct pipe_stream_output_info  so;
47
48	unsigned	num_shaders;
49
50	/* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
51	unsigned	type;
52
53	/* 1 when the shader contains
54	 * TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS, otherwise it's 0.
55	 * Used to determine whether we need to include nr_cbufs in the key */
56	unsigned	fs_write_all;
57};
58
59struct si_shader {
60	unsigned		ninput;
61	struct si_shader_io	input[32];
62
63	unsigned		noutput;
64	struct si_shader_io	output[32];
65
66	bool			uses_kill;
67	bool			fs_write_all;
68	unsigned		nr_cbufs;
69};
70
71struct si_pipe_shader {
72	struct si_pipe_shader_selector	*selector;
73	struct si_pipe_shader		*next_variant;
74	struct si_shader		shader;
75	struct si_pm4_state		*pm4;
76	struct si_resource		*bo;
77	unsigned			num_sgprs;
78	unsigned			num_vgprs;
79	unsigned			spi_ps_input_ena;
80	unsigned			sprite_coord_enable;
81	unsigned			so_strides[4];
82	unsigned			key;
83};
84
85/* radeonsi_shader.c */
86int si_pipe_shader_create(struct pipe_context *ctx, struct si_pipe_shader *shader);
87void si_pipe_shader_destroy(struct pipe_context *ctx, struct si_pipe_shader *shader);
88
89#endif
90