si_state.h revision b15e3ae5b423dd8846a35500c0274d1d74f6b836 
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 *      Christian König <christian.koenig@amd.com>
25 */
26
27#ifndef SI_STATE_H
28#define SI_STATE_H
29
30#include "radeonsi_pm4.h"
31
32struct si_state_blend {
33	struct si_pm4_state	pm4;
34	uint32_t		cb_target_mask;
35	uint32_t		cb_color_control;
36};
37
38struct si_state_viewport {
39	struct si_pm4_state		pm4;
40	struct pipe_viewport_state	viewport;
41};
42
43struct si_state_rasterizer {
44	struct si_pm4_state	pm4;
45	bool			flatshade;
46	unsigned		sprite_coord_enable;
47	unsigned		pa_sc_line_stipple;
48	unsigned		pa_su_sc_mode_cntl;
49	unsigned		pa_cl_clip_cntl;
50	unsigned		pa_cl_vs_out_cntl;
51	float			offset_units;
52	float			offset_scale;
53};
54
55struct si_state_dsa {
56	struct si_pm4_state	pm4;
57	unsigned		alpha_ref;
58	unsigned		db_render_override;
59	unsigned		db_render_control;
60	uint8_t			valuemask[2];
61	uint8_t			writemask[2];
62};
63
64struct si_vertex_element
65{
66	unsigned			count;
67	uint32_t			rsrc_word3[PIPE_MAX_ATTRIBS];
68	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
69};
70
71struct si_shader_io {
72	unsigned		name;
73	unsigned		gpr;
74	unsigned		done;
75	int			sid;
76	unsigned		param_offset;
77	unsigned		interpolate;
78	bool			centroid;
79};
80
81struct si_shader {
82	unsigned		ninput;
83	unsigned		noutput;
84	struct si_shader_io	input[32];
85	struct si_shader_io	output[32];
86	bool			uses_kill;
87	bool			fs_write_all;
88	unsigned		nr_cbufs;
89};
90
91struct si_pipe_shader {
92	struct si_shader		shader;
93	struct si_pm4_state		*pm4;
94	struct si_resource		*bo;
95	struct si_vertex_element	vertex_elements;
96	struct tgsi_token		*tokens;
97	unsigned			num_sgprs;
98	unsigned			num_vgprs;
99	unsigned			spi_ps_input_ena;
100	unsigned			sprite_coord_enable;
101	struct pipe_stream_output_info	so;
102	unsigned			so_strides[4];
103};
104
105union si_state {
106	struct {
107		struct si_pm4_state		*init;
108		struct si_state_blend		*blend;
109		struct si_pm4_state		*blend_color;
110		struct si_pm4_state		*clip;
111		struct si_pm4_state		*scissor;
112		struct si_state_viewport	*viewport;
113		struct si_pm4_state		*framebuffer;
114		struct si_state_rasterizer	*rasterizer;
115		struct si_state_dsa		*dsa;
116		struct si_pm4_state		*fb_rs;
117		struct si_pm4_state		*fb_blend;
118		struct si_pm4_state		*dsa_stencil_ref;
119		struct si_pm4_state		*vs;
120		struct si_pm4_state		*vs_const;
121		struct si_pm4_state		*ps;
122		struct si_pm4_state		*ps_sampler_views;
123		struct si_pm4_state		*ps_sampler;
124		struct si_pm4_state		*ps_const;
125		struct si_pm4_state		*spi;
126		struct si_pm4_state		*vertex_buffers;
127		struct si_pm4_state		*texture_barrier;
128		struct si_pm4_state		*draw_info;
129	} named;
130	struct si_pm4_state	*array[0];
131};
132
133#define si_pm4_block_idx(member) \
134	(offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
135
136#define si_pm4_bind_state(rctx, member, value) \
137	do { \
138		(rctx)->queued.named.member = (value); \
139	} while(0);
140
141#define si_pm4_delete_state(rctx, member, value) \
142	do { \
143		if ((rctx)->queued.named.member == (value)) { \
144			(rctx)->queued.named.member = NULL; \
145		} \
146		si_pm4_free_state(rctx, (struct si_pm4_state *)(value), \
147				  si_pm4_block_idx(member)); \
148	} while(0);
149
150#define si_pm4_set_state(rctx, member, value) \
151	do { \
152		if ((rctx)->queued.named.member != (value)) { \
153			si_pm4_free_state(rctx, \
154				(struct si_pm4_state *)(rctx)->queued.named.member, \
155				si_pm4_block_idx(member)); \
156			(rctx)->queued.named.member = (value); \
157		} \
158	} while(0);
159
160/* si_state.c */
161bool si_is_format_supported(struct pipe_screen *screen,
162			    enum pipe_format format,
163			    enum pipe_texture_target target,
164			    unsigned sample_count,
165			    unsigned usage);
166void si_init_state_functions(struct r600_context *rctx);
167void si_init_config(struct r600_context *rctx);
168
169/* si_state_draw.c */
170void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo);
171
172#endif
173