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 "tgsi/tgsi_scan.h"
27 #include "util/u_hash_table.h"
28 #include "util/u_memory.h"
29 #include "util/u_simple_list.h"
31 #include "r300_blit.h"
32 #include "r300_context.h"
33 #include "r300_emit.h"
34 #include "r300_flush.h"
35 #include "r300_query.h"
36 #include "r300_render.h"
37 #include "r300_screen.h"
38 #include "r300_state_derived.h"
39 #include "r300_state_invariant.h"
40 #include "r300_texture.h"
41 #include "r300_winsys.h"
43 static enum pipe_error
r300_clear_hash_table(void* key
, void* value
,
51 static void r300_destroy_context(struct pipe_context
* context
)
53 struct r300_context
* r300
= r300_context(context
);
54 struct r300_query
* query
, * temp
;
56 util_blitter_destroy(r300
->blitter
);
58 util_hash_table_foreach(r300
->shader_hash_table
, r300_clear_hash_table
,
60 util_hash_table_destroy(r300
->shader_hash_table
);
62 draw_destroy(r300
->draw
);
65 context
->screen
->buffer_destroy(r300
->oqbo
);
67 /* If there are any queries pending or not destroyed, remove them now. */
68 foreach_s(query
, temp
, &r300
->query_list
) {
69 remove_from_list(query
);
73 FREE(r300
->blend_color_state
.state
);
74 FREE(r300
->clip_state
.state
);
76 FREE(r300
->scissor_state
.state
);
77 FREE(r300
->vertex_info
);
78 FREE(r300
->viewport_state
.state
);
79 FREE(r300
->ztop_state
.state
);
84 r300_is_texture_referenced(struct pipe_context
*pipe
,
85 struct pipe_texture
*texture
,
86 unsigned face
, unsigned level
)
88 struct pipe_buffer
* buf
= 0;
90 r300_get_texture_buffer(pipe
->screen
, texture
, &buf
, NULL
);
92 return pipe
->is_buffer_referenced(pipe
, buf
);
96 r300_is_buffer_referenced(struct pipe_context
*pipe
,
97 struct pipe_buffer
*buf
)
99 /* This only checks to see whether actual hardware buffers are
100 * referenced. Since we use managed BOs and transfers, it's actually not
101 * possible for pipe_buffers to ever reference the actual hardware, so
102 * buffers are never referenced. */
106 static void r300_flush_cb(void *data
)
108 struct r300_context
* const cs_context_copy
= data
;
110 cs_context_copy
->context
.flush(&cs_context_copy
->context
, 0, NULL
);
113 #define R300_INIT_ATOM(atomname, atomsize) \
114 r300->atomname##_state.name = #atomname; \
115 r300->atomname##_state.state = NULL; \
116 r300->atomname##_state.size = atomsize; \
117 r300->atomname##_state.emit = r300_emit_##atomname##_state; \
118 r300->atomname##_state.dirty = FALSE; \
119 insert_at_tail(&r300->atom_list, &r300->atomname##_state);
121 static void r300_setup_atoms(struct r300_context
* r300
)
123 /* Create the actual atom list.
125 * Each atom is examined and emitted in the order it appears here, which
126 * can affect performance and conformance if not handled with care.
128 * Some atoms never change size, others change every emit. This is just
129 * an upper bound on each atom, to keep the emission machinery from
130 * underallocating space. */
131 make_empty_list(&r300
->atom_list
);
132 R300_INIT_ATOM(invariant
, 71);
133 R300_INIT_ATOM(ztop
, 2);
134 R300_INIT_ATOM(blend
, 8);
135 R300_INIT_ATOM(blend_color
, 3);
136 R300_INIT_ATOM(clip
, 29);
137 R300_INIT_ATOM(dsa
, 8);
138 R300_INIT_ATOM(rs
, 25);
139 R300_INIT_ATOM(scissor
, 3);
140 R300_INIT_ATOM(viewport
, 9);
143 struct pipe_context
* r300_create_context(struct pipe_screen
* screen
,
144 struct radeon_winsys
* radeon_winsys
)
146 struct r300_context
* r300
= CALLOC_STRUCT(r300_context
);
147 struct r300_screen
* r300screen
= r300_screen(screen
);
152 r300
->winsys
= radeon_winsys
;
154 r300
->context
.winsys
= (struct pipe_winsys
*)radeon_winsys
;
155 r300
->context
.screen
= screen
;
157 r300
->context
.destroy
= r300_destroy_context
;
159 r300
->context
.clear
= r300_clear
;
160 r300
->context
.surface_copy
= r300_surface_copy
;
161 r300
->context
.surface_fill
= r300_surface_fill
;
163 if (r300screen
->caps
->has_tcl
) {
164 r300
->context
.draw_arrays
= r300_draw_arrays
;
165 r300
->context
.draw_elements
= r300_draw_elements
;
166 r300
->context
.draw_range_elements
= r300_draw_range_elements
;
168 r300
->context
.draw_arrays
= r300_swtcl_draw_arrays
;
169 r300
->context
.draw_elements
= r300_draw_elements
;
170 r300
->context
.draw_range_elements
= r300_swtcl_draw_range_elements
;
172 /* Create a Draw. This is used for SW TCL. */
173 r300
->draw
= draw_create();
174 /* Enable our renderer. */
175 draw_set_rasterize_stage(r300
->draw
, r300_draw_stage(r300
));
176 /* Enable Draw's clipping. */
177 draw_set_driver_clipping(r300
->draw
, FALSE
);
178 /* Force Draw to never do viewport transform, since we can do
179 * transform in hardware, always. */
180 draw_set_viewport_state(r300
->draw
, &r300_viewport_identity
);
183 r300
->context
.is_texture_referenced
= r300_is_texture_referenced
;
184 r300
->context
.is_buffer_referenced
= r300_is_buffer_referenced
;
186 r300
->shader_hash_table
= util_hash_table_create(r300_shader_key_hash
,
187 r300_shader_key_compare
);
189 r300_setup_atoms(r300
);
191 r300
->blend_color_state
.state
= CALLOC_STRUCT(r300_blend_color_state
);
192 r300
->clip_state
.state
= CALLOC_STRUCT(pipe_clip_state
);
193 r300
->rs_block
= CALLOC_STRUCT(r300_rs_block
);
194 r300
->scissor_state
.state
= CALLOC_STRUCT(pipe_scissor_state
);
195 r300
->vertex_info
= CALLOC_STRUCT(r300_vertex_info
);
196 r300
->viewport_state
.state
= CALLOC_STRUCT(r300_viewport_state
);
197 r300
->ztop_state
.state
= CALLOC_STRUCT(r300_ztop_state
);
199 /* Open up the OQ BO. */
200 r300
->oqbo
= screen
->buffer_create(screen
, 4096,
201 PIPE_BUFFER_USAGE_VERTEX
, 4096);
202 make_empty_list(&r300
->query_list
);
204 r300_init_flush_functions(r300
);
206 r300_init_query_functions(r300
);
208 /* r300_init_surface_functions(r300); */
210 r300_init_state_functions(r300
);
212 r300
->invariant_state
.dirty
= TRUE
;
214 r300
->winsys
->set_flush_cb(r300
->winsys
, r300_flush_cb
, r300
);
215 r300
->dirty_state
= R300_NEW_KITCHEN_SINK
;
218 r300
->blitter
= util_blitter_create(&r300
->context
);
220 return &r300
->context
;