si_state.h revision ce40e4726cf30196b87df387255c64ddc2a97638 
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
71union si_state {
72	struct {
73		struct si_pm4_state		*init;
74		struct si_state_blend		*blend;
75		struct si_pm4_state		*blend_color;
76		struct si_pm4_state		*clip;
77		struct si_pm4_state		*scissor;
78		struct si_state_viewport	*viewport;
79		struct si_pm4_state		*framebuffer;
80		struct si_state_rasterizer	*rasterizer;
81		struct si_state_dsa		*dsa;
82		struct si_pm4_state		*fb_rs;
83		struct si_pm4_state		*fb_blend;
84		struct si_pm4_state		*dsa_stencil_ref;
85		struct si_pm4_state		*vs;
86		struct si_pm4_state		*vs_const;
87		struct si_pm4_state		*ps;
88		struct si_pm4_state		*ps_sampler_views;
89		struct si_pm4_state		*ps_sampler;
90		struct si_pm4_state		*ps_const;
91		struct si_pm4_state		*spi;
92		struct si_pm4_state		*vertex_buffers;
93		struct si_pm4_state		*texture_barrier;
94		struct si_pm4_state		*draw_info;
95	} named;
96	struct si_pm4_state	*array[0];
97};
98
99#define si_pm4_block_idx(member) \
100	(offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
101
102#define si_pm4_bind_state(rctx, member, value) \
103	do { \
104		(rctx)->queued.named.member = (value); \
105	} while(0);
106
107#define si_pm4_delete_state(rctx, member, value) \
108	do { \
109		if ((rctx)->queued.named.member == (value)) { \
110			(rctx)->queued.named.member = NULL; \
111		} \
112		si_pm4_free_state(rctx, (struct si_pm4_state *)(value), \
113				  si_pm4_block_idx(member)); \
114	} while(0);
115
116#define si_pm4_set_state(rctx, member, value) \
117	do { \
118		if ((rctx)->queued.named.member != (value)) { \
119			si_pm4_free_state(rctx, \
120				(struct si_pm4_state *)(rctx)->queued.named.member, \
121				si_pm4_block_idx(member)); \
122			(rctx)->queued.named.member = (value); \
123		} \
124	} while(0);
125
126/* si_state.c */
127bool si_is_format_supported(struct pipe_screen *screen,
128			    enum pipe_format format,
129			    enum pipe_texture_target target,
130			    unsigned sample_count,
131			    unsigned usage);
132void si_init_state_functions(struct r600_context *rctx);
133void si_init_config(struct r600_context *rctx);
134
135/* si_state_draw.c */
136void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo);
137
138#endif
139