r600g: depth buffer likely needs decompression when used as texture
[mesa.git] / src / gallium / drivers / r600 / r600_context.h
1 /*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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 #ifndef R600_CONTEXT_H
24 #define R600_CONTEXT_H
25
26 #include <stdio.h>
27 #include <pipe/p_state.h>
28 #include <pipe/p_context.h>
29 #include <tgsi/tgsi_scan.h>
30 #include <tgsi/tgsi_parse.h>
31 #include <tgsi/tgsi_util.h>
32 #include <util/u_blitter.h>
33 #include <util/u_double_list.h>
34 #include "radeon.h"
35 #include "r600_shader.h"
36
37 #define R600_QUERY_STATE_STARTED (1 << 0)
38 #define R600_QUERY_STATE_ENDED (1 << 1)
39 #define R600_QUERY_STATE_SUSPENDED (1 << 2)
40
41 struct r600_query {
42 u64 result;
43 /* The kind of query. Currently only OQ is supported. */
44 unsigned type;
45 /* How many results have been written, in dwords. It's incremented
46 * after end_query and flush. */
47 unsigned num_results;
48 /* if we've flushed the query */
49 boolean flushed;
50 unsigned state;
51 /* The buffer where query results are stored. */
52 struct radeon_bo *buffer;
53 unsigned buffer_size;
54 /* linked list of queries */
55 struct list_head list;
56 struct radeon_state *rstate;
57 };
58
59 /* XXX move this to a more appropriate place */
60 union pipe_states {
61 struct pipe_rasterizer_state rasterizer;
62 struct pipe_poly_stipple poly_stipple;
63 struct pipe_scissor_state scissor;
64 struct pipe_clip_state clip;
65 struct pipe_shader_state shader;
66 struct pipe_depth_state depth;
67 struct pipe_stencil_state stencil;
68 struct pipe_alpha_state alpha;
69 struct pipe_depth_stencil_alpha_state dsa;
70 struct pipe_blend_state blend;
71 struct pipe_blend_color blend_color;
72 struct pipe_stencil_ref stencil_ref;
73 struct pipe_framebuffer_state framebuffer;
74 struct pipe_sampler_state sampler;
75 struct pipe_sampler_view sampler_view;
76 struct pipe_viewport_state viewport;
77 };
78
79 enum pipe_state_type {
80 pipe_rasterizer_type = 1,
81 pipe_poly_stipple_type,
82 pipe_scissor_type,
83 pipe_clip_type,
84 pipe_shader_type,
85 pipe_depth_type,
86 pipe_stencil_type,
87 pipe_alpha_type,
88 pipe_dsa_type,
89 pipe_blend_type,
90 pipe_stencil_ref_type,
91 pipe_framebuffer_type,
92 pipe_sampler_type,
93 pipe_sampler_view_type,
94 pipe_viewport_type,
95 pipe_type_count
96 };
97
98 struct r600_context_state {
99 union pipe_states state;
100 unsigned refcount;
101 unsigned type;
102 struct radeon_state *rstate;
103 struct r600_shader shader;
104 struct radeon_bo *bo;
105 };
106
107 struct r600_vertex_element
108 {
109 unsigned refcount;
110 unsigned count;
111 struct pipe_vertex_element elements[32];
112 };
113
114 struct r600_context_hw_states {
115 struct radeon_state *rasterizer;
116 struct radeon_state *scissor;
117 struct radeon_state *dsa;
118 struct radeon_state *blend;
119 struct radeon_state *viewport;
120 struct radeon_state *cb[8];
121 struct radeon_state *config;
122 struct radeon_state *cb_cntl;
123 struct radeon_state *db;
124 struct radeon_state *ucp[6];
125 unsigned ps_nresource;
126 unsigned ps_nsampler;
127 struct radeon_state *ps_resource[160];
128 struct radeon_state *ps_sampler[16];
129 };
130
131 struct r600_context {
132 struct pipe_context context;
133 struct r600_screen *screen;
134 struct radeon *rw;
135 struct radeon_ctx *ctx;
136 struct blitter_context *blitter;
137 struct radeon_draw *draw;
138 /* hw states */
139 struct r600_context_hw_states hw_states;
140 /* pipe states */
141 unsigned flat_shade;
142 unsigned ps_nsampler;
143 unsigned vs_nsampler;
144 unsigned ps_nsampler_view;
145 unsigned vs_nsampler_view;
146 unsigned nvertex_buffer;
147 struct r600_context_state *rasterizer;
148 struct r600_context_state *poly_stipple;
149 struct r600_context_state *scissor;
150 struct r600_context_state *clip;
151 struct r600_context_state *ps_shader;
152 struct r600_context_state *vs_shader;
153 struct r600_context_state *depth;
154 struct r600_context_state *stencil;
155 struct r600_context_state *alpha;
156 struct r600_context_state *dsa;
157 struct r600_context_state *blend;
158 struct r600_context_state *stencil_ref;
159 struct r600_context_state *viewport;
160 struct r600_context_state *framebuffer;
161 struct r600_context_state *ps_sampler[PIPE_MAX_ATTRIBS];
162 struct r600_context_state *vs_sampler[PIPE_MAX_ATTRIBS];
163 struct r600_context_state *ps_sampler_view[PIPE_MAX_ATTRIBS];
164 struct r600_context_state *vs_sampler_view[PIPE_MAX_ATTRIBS];
165 struct r600_vertex_element *vertex_elements;
166 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
167 struct pipe_index_buffer index_buffer;
168 struct pipe_blend_color blend_color;
169 struct list_head query_list;
170 };
171
172 /* Convenience cast wrapper. */
173 static INLINE struct r600_context *r600_context(struct pipe_context *pipe)
174 {
175 return (struct r600_context*)pipe;
176 }
177
178 static INLINE struct r600_query* r600_query(struct pipe_query* q)
179 {
180 return (struct r600_query*)q;
181 }
182
183 struct r600_context_state *r600_context_state(struct r600_context *rctx, unsigned type, const void *state);
184 struct r600_context_state *r600_context_state_incref(struct r600_context_state *rstate);
185 struct r600_context_state *r600_context_state_decref(struct r600_context_state *rstate);
186 void r600_flush(struct pipe_context *ctx, unsigned flags,
187 struct pipe_fence_handle **fence);
188
189 int r600_context_hw_states(struct pipe_context *ctx);
190
191 void r600_draw_vbo(struct pipe_context *ctx,
192 const struct pipe_draw_info *info);
193
194 void r600_init_blit_functions(struct r600_context *rctx);
195 void r600_init_state_functions(struct r600_context *rctx);
196 void r600_init_query_functions(struct r600_context* rctx);
197 struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv);
198
199 extern int r600_pipe_shader_create(struct pipe_context *ctx,
200 struct r600_context_state *rstate,
201 const struct tgsi_token *tokens);
202 extern int r600_pipe_shader_update(struct pipe_context *ctx,
203 struct r600_context_state *rstate);
204
205 #define R600_ERR(fmt, args...) \
206 fprintf(stderr, "EE %s/%s:%d - "fmt, __FILE__, __func__, __LINE__, ##args)
207
208 uint32_t r600_translate_texformat(enum pipe_format format,
209 const unsigned char *swizzle_view,
210 uint32_t *word4_p, uint32_t *yuv_format_p);
211
212 /* query */
213 extern void r600_queries_resume(struct pipe_context *ctx);
214 extern void r600_queries_suspend(struct pipe_context *ctx);
215
216
217 #endif