2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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:
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
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. */
23 #include "draw/draw_context.h"
25 #include "util/u_memory.h"
26 #include "util/u_simple_list.h"
28 #include "r300_blit.h"
29 #include "r300_context.h"
30 #include "r300_emit.h"
31 #include "r300_flush.h"
32 #include "r300_query.h"
33 #include "r300_render.h"
34 #include "r300_screen.h"
35 #include "r300_state_invariant.h"
36 #include "r300_texture.h"
38 #include "radeon_winsys.h"
40 static void r300_destroy_context(struct pipe_context
* context
)
42 struct r300_context
* r300
= r300_context(context
);
43 struct r300_query
* query
, * temp
;
45 util_blitter_destroy(r300
->blitter
);
46 draw_destroy(r300
->draw
);
49 context
->screen
->buffer_destroy(r300
->oqbo
);
51 /* If there are any queries pending or not destroyed, remove them now. */
52 foreach_s(query
, temp
, &r300
->query_list
) {
53 remove_from_list(query
);
57 FREE(r300
->blend_color_state
.state
);
58 FREE(r300
->clip_state
.state
);
59 FREE(r300
->fb_state
.state
);
60 FREE(r300
->rs_block_state
.state
);
61 FREE(r300
->scissor_state
.state
);
62 FREE(r300
->vertex_format_state
.state
);
63 FREE(r300
->viewport_state
.state
);
64 FREE(r300
->ztop_state
.state
);
69 r300_is_texture_referenced(struct pipe_context
*pipe
,
70 struct pipe_texture
*texture
,
71 unsigned face
, unsigned level
)
73 struct pipe_buffer
* buf
= 0;
75 r300_get_texture_buffer(pipe
->screen
, texture
, &buf
, NULL
);
77 return pipe
->is_buffer_referenced(pipe
, buf
);
81 r300_is_buffer_referenced(struct pipe_context
*pipe
,
82 struct pipe_buffer
*buf
)
84 /* This only checks to see whether actual hardware buffers are
85 * referenced. Since we use managed BOs and transfers, it's actually not
86 * possible for pipe_buffers to ever reference the actual hardware, so
87 * buffers are never referenced. */
91 static void r300_flush_cb(void *data
)
93 struct r300_context
* const cs_context_copy
= data
;
95 cs_context_copy
->context
.flush(&cs_context_copy
->context
, 0, NULL
);
98 #define R300_INIT_ATOM(atomname, atomsize) \
99 r300->atomname.name = #atomname; \
100 r300->atomname.state = NULL; \
101 r300->atomname.size = atomsize; \
102 r300->atomname.emit = r300_emit_##atomname; \
103 r300->atomname.dirty = FALSE; \
104 insert_at_tail(&r300->atom_list, &r300->atomname);
106 static void r300_setup_atoms(struct r300_context
* r300
)
108 /* Create the actual atom list.
110 * Each atom is examined and emitted in the order it appears here, which
111 * can affect performance and conformance if not handled with care.
113 * Some atoms never change size, others change every emit. This is just
114 * an upper bound on each atom, to keep the emission machinery from
115 * underallocating space. */
116 make_empty_list(&r300
->atom_list
);
117 R300_INIT_ATOM(invariant_state
, 71);
118 R300_INIT_ATOM(ztop_state
, 2);
119 R300_INIT_ATOM(blend_state
, 8);
120 R300_INIT_ATOM(blend_color_state
, 3);
121 R300_INIT_ATOM(clip_state
, 29);
122 R300_INIT_ATOM(dsa_state
, 8);
123 R300_INIT_ATOM(fb_state
, 56);
124 R300_INIT_ATOM(rs_state
, 25);
125 R300_INIT_ATOM(scissor_state
, 3);
126 R300_INIT_ATOM(viewport_state
, 9);
127 R300_INIT_ATOM(rs_block_state
, 21);
128 R300_INIT_ATOM(vertex_format_state
, 26);
129 R300_INIT_ATOM(pvs_flush
, 2);
130 R300_INIT_ATOM(vs_state
, 1031);
131 R300_INIT_ATOM(texture_cache_inval
, 2);
133 /* Some non-CSO atoms need explicit space to store the state locally. */
134 r300
->blend_color_state
.state
= CALLOC_STRUCT(r300_blend_color_state
);
135 r300
->clip_state
.state
= CALLOC_STRUCT(pipe_clip_state
);
136 r300
->fb_state
.state
= CALLOC_STRUCT(pipe_framebuffer_state
);
137 r300
->rs_block_state
.state
= CALLOC_STRUCT(r300_rs_block
);
138 r300
->scissor_state
.state
= CALLOC_STRUCT(pipe_scissor_state
);
139 r300
->vertex_format_state
.state
= CALLOC_STRUCT(r300_vertex_info
);
140 r300
->viewport_state
.state
= CALLOC_STRUCT(r300_viewport_state
);
141 r300
->ztop_state
.state
= CALLOC_STRUCT(r300_ztop_state
);
144 struct pipe_context
* r300_create_context(struct pipe_screen
* screen
,
147 struct r300_context
* r300
= CALLOC_STRUCT(r300_context
);
148 struct r300_screen
* r300screen
= r300_screen(screen
);
149 struct radeon_winsys
* radeon_winsys
= r300screen
->radeon_winsys
;
154 r300
->winsys
= radeon_winsys
;
156 r300
->context
.winsys
= (struct pipe_winsys
*)radeon_winsys
;
157 r300
->context
.screen
= screen
;
158 r300
->context
.priv
= priv
;
160 r300
->context
.destroy
= r300_destroy_context
;
162 r300
->context
.clear
= r300_clear
;
163 r300
->context
.surface_copy
= r300_surface_copy
;
164 r300
->context
.surface_fill
= r300_surface_fill
;
166 if (r300screen
->caps
->has_tcl
) {
167 r300
->context
.draw_arrays
= r300_draw_arrays
;
168 r300
->context
.draw_elements
= r300_draw_elements
;
169 r300
->context
.draw_range_elements
= r300_draw_range_elements
;
171 r300
->context
.draw_arrays
= r300_swtcl_draw_arrays
;
172 r300
->context
.draw_elements
= r300_draw_elements
;
173 r300
->context
.draw_range_elements
= r300_swtcl_draw_range_elements
;
175 /* Create a Draw. This is used for SW TCL. */
176 r300
->draw
= draw_create();
177 /* Enable our renderer. */
178 draw_set_rasterize_stage(r300
->draw
, r300_draw_stage(r300
));
179 /* Enable Draw's clipping. */
180 draw_set_driver_clipping(r300
->draw
, FALSE
);
181 /* Force Draw to never do viewport transform, since we can do
182 * transform in hardware, always. */
183 draw_set_viewport_state(r300
->draw
, &r300_viewport_identity
);
186 r300
->context
.is_texture_referenced
= r300_is_texture_referenced
;
187 r300
->context
.is_buffer_referenced
= r300_is_buffer_referenced
;
189 r300_setup_atoms(r300
);
191 /* Open up the OQ BO. */
192 r300
->oqbo
= screen
->buffer_create(screen
, 4096,
193 PIPE_BUFFER_USAGE_VERTEX
, 4096);
194 make_empty_list(&r300
->query_list
);
196 r300_init_flush_functions(r300
);
198 r300_init_query_functions(r300
);
200 /* r300_init_surface_functions(r300); */
202 r300_init_state_functions(r300
);
204 r300
->invariant_state
.dirty
= TRUE
;
206 r300
->winsys
->set_flush_cb(r300
->winsys
, r300_flush_cb
, r300
);
207 r300
->dirty_state
= R300_NEW_KITCHEN_SINK
;
210 r300
->blitter
= util_blitter_create(&r300
->context
);
212 return &r300
->context
;