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"
37 #include "r300_winsys.h"
39 static void r300_destroy_context(struct pipe_context
* context
)
41 struct r300_context
* r300
= r300_context(context
);
42 struct r300_query
* query
, * temp
;
44 util_blitter_destroy(r300
->blitter
);
45 draw_destroy(r300
->draw
);
48 context
->screen
->buffer_destroy(r300
->oqbo
);
50 /* If there are any queries pending or not destroyed, remove them now. */
51 foreach_s(query
, temp
, &r300
->query_list
) {
52 remove_from_list(query
);
56 FREE(r300
->blend_color_state
.state
);
57 FREE(r300
->clip_state
.state
);
58 FREE(r300
->rs_block_state
.state
);
59 FREE(r300
->scissor_state
.state
);
60 FREE(r300
->vertex_format_state
.state
);
61 FREE(r300
->viewport_state
.state
);
62 FREE(r300
->ztop_state
.state
);
67 r300_is_texture_referenced(struct pipe_context
*pipe
,
68 struct pipe_texture
*texture
,
69 unsigned face
, unsigned level
)
71 struct pipe_buffer
* buf
= 0;
73 r300_get_texture_buffer(pipe
->screen
, texture
, &buf
, NULL
);
75 return pipe
->is_buffer_referenced(pipe
, buf
);
79 r300_is_buffer_referenced(struct pipe_context
*pipe
,
80 struct pipe_buffer
*buf
)
82 /* This only checks to see whether actual hardware buffers are
83 * referenced. Since we use managed BOs and transfers, it's actually not
84 * possible for pipe_buffers to ever reference the actual hardware, so
85 * buffers are never referenced. */
89 static void r300_flush_cb(void *data
)
91 struct r300_context
* const cs_context_copy
= data
;
93 cs_context_copy
->context
.flush(&cs_context_copy
->context
, 0, NULL
);
96 #define R300_INIT_ATOM(atomname, atomsize) \
97 r300->atomname##_state.name = #atomname; \
98 r300->atomname##_state.state = NULL; \
99 r300->atomname##_state.size = atomsize; \
100 r300->atomname##_state.emit = r300_emit_##atomname##_state; \
101 r300->atomname##_state.dirty = FALSE; \
102 insert_at_tail(&r300->atom_list, &r300->atomname##_state);
104 static void r300_setup_atoms(struct r300_context
* r300
)
106 /* Create the actual atom list.
108 * Each atom is examined and emitted in the order it appears here, which
109 * can affect performance and conformance if not handled with care.
111 * Some atoms never change size, others change every emit. This is just
112 * an upper bound on each atom, to keep the emission machinery from
113 * underallocating space. */
114 make_empty_list(&r300
->atom_list
);
115 R300_INIT_ATOM(invariant
, 71);
116 R300_INIT_ATOM(ztop
, 2);
117 R300_INIT_ATOM(blend
, 8);
118 R300_INIT_ATOM(blend_color
, 3);
119 R300_INIT_ATOM(clip
, 29);
120 R300_INIT_ATOM(dsa
, 8);
121 R300_INIT_ATOM(fb
, 56);
122 R300_INIT_ATOM(rs
, 25);
123 R300_INIT_ATOM(scissor
, 3);
124 R300_INIT_ATOM(viewport
, 9);
125 R300_INIT_ATOM(rs_block
, 21);
126 R300_INIT_ATOM(vertex_format
, 26);
129 struct pipe_context
* r300_create_context(struct pipe_screen
* screen
,
130 struct radeon_winsys
* radeon_winsys
)
132 struct r300_context
* r300
= CALLOC_STRUCT(r300_context
);
133 struct r300_screen
* r300screen
= r300_screen(screen
);
138 r300
->winsys
= radeon_winsys
;
140 r300
->context
.winsys
= (struct pipe_winsys
*)radeon_winsys
;
141 r300
->context
.screen
= screen
;
143 r300
->context
.destroy
= r300_destroy_context
;
145 r300
->context
.clear
= r300_clear
;
146 r300
->context
.surface_copy
= r300_surface_copy
;
147 r300
->context
.surface_fill
= r300_surface_fill
;
149 if (r300screen
->caps
->has_tcl
) {
150 r300
->context
.draw_arrays
= r300_draw_arrays
;
151 r300
->context
.draw_elements
= r300_draw_elements
;
152 r300
->context
.draw_range_elements
= r300_draw_range_elements
;
154 r300
->context
.draw_arrays
= r300_swtcl_draw_arrays
;
155 r300
->context
.draw_elements
= r300_draw_elements
;
156 r300
->context
.draw_range_elements
= r300_swtcl_draw_range_elements
;
158 /* Create a Draw. This is used for SW TCL. */
159 r300
->draw
= draw_create();
160 /* Enable our renderer. */
161 draw_set_rasterize_stage(r300
->draw
, r300_draw_stage(r300
));
162 /* Enable Draw's clipping. */
163 draw_set_driver_clipping(r300
->draw
, FALSE
);
164 /* Force Draw to never do viewport transform, since we can do
165 * transform in hardware, always. */
166 draw_set_viewport_state(r300
->draw
, &r300_viewport_identity
);
169 r300
->context
.is_texture_referenced
= r300_is_texture_referenced
;
170 r300
->context
.is_buffer_referenced
= r300_is_buffer_referenced
;
172 r300_setup_atoms(r300
);
174 r300
->blend_color_state
.state
= CALLOC_STRUCT(r300_blend_color_state
);
175 r300
->clip_state
.state
= CALLOC_STRUCT(pipe_clip_state
);
176 r300
->rs_block_state
.state
= CALLOC_STRUCT(r300_rs_block
);
177 r300
->scissor_state
.state
= CALLOC_STRUCT(pipe_scissor_state
);
178 r300
->vertex_format_state
.state
= CALLOC_STRUCT(r300_vertex_info
);
179 r300
->viewport_state
.state
= CALLOC_STRUCT(r300_viewport_state
);
180 r300
->ztop_state
.state
= CALLOC_STRUCT(r300_ztop_state
);
182 /* Open up the OQ BO. */
183 r300
->oqbo
= screen
->buffer_create(screen
, 4096,
184 PIPE_BUFFER_USAGE_VERTEX
, 4096);
185 make_empty_list(&r300
->query_list
);
187 r300_init_flush_functions(r300
);
189 r300_init_query_functions(r300
);
191 /* r300_init_surface_functions(r300); */
193 r300_init_state_functions(r300
);
195 r300
->invariant_state
.dirty
= TRUE
;
197 r300
->winsys
->set_flush_cb(r300
->winsys
, r300_flush_cb
, r300
);
198 r300
->dirty_state
= R300_NEW_KITCHEN_SINK
;
201 r300
->blitter
= util_blitter_create(&r300
->context
);
203 return &r300
->context
;