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_clear.h"
32 #include "r300_context.h"
33 #include "r300_flush.h"
34 #include "r300_query.h"
35 #include "r300_render.h"
36 #include "r300_screen.h"
37 #include "r300_state_derived.h"
38 #include "r300_state_invariant.h"
39 #include "r300_winsys.h"
41 static enum pipe_error
r300_clear_hash_table(void* key
, void* value
,
49 static void r300_destroy_context(struct pipe_context
* context
)
51 struct r300_context
* r300
= r300_context(context
);
52 struct r300_query
* query
, * temp
;
54 util_hash_table_foreach(r300
->shader_hash_table
, r300_clear_hash_table
,
56 util_hash_table_destroy(r300
->shader_hash_table
);
58 draw_destroy(r300
->draw
);
61 context
->screen
->buffer_destroy(r300
->oqbo
);
63 /* If there are any queries pending or not destroyed, remove them now. */
64 foreach_s(query
, temp
, &r300
->query_list
) {
65 remove_from_list(query
);
69 FREE(r300
->blend_color_state
);
71 FREE(r300
->scissor_state
);
72 FREE(r300
->viewport_state
);
77 r300_is_texture_referenced(struct pipe_context
*pipe
,
78 struct pipe_texture
*texture
,
79 unsigned face
, unsigned level
)
81 struct pipe_buffer
* buf
= 0;
83 r300_get_texture_buffer(texture
, &buf
, NULL
);
85 return pipe
->is_buffer_referenced(pipe
, buf
);
89 r300_is_buffer_referenced(struct pipe_context
*pipe
,
90 struct pipe_buffer
*buf
)
92 /* This only checks to see whether actual hardware buffers are
93 * referenced. Since we use managed BOs and transfers, it's actually not
94 * possible for pipe_buffers to ever reference the actual hardware, so
95 * buffers are never referenced. */
99 static void r300_flush_cb(void *data
)
101 struct r300_context
* const cs_context_copy
= data
;
103 cs_context_copy
->context
.flush(&cs_context_copy
->context
, 0, NULL
);
106 struct pipe_context
* r300_create_context(struct pipe_screen
* screen
,
107 struct r300_winsys
* r300_winsys
)
109 struct r300_context
* r300
= CALLOC_STRUCT(r300_context
);
110 struct r300_screen
* r300screen
= r300_screen(screen
);
115 r300
->winsys
= r300_winsys
;
117 r300
->context
.winsys
= (struct pipe_winsys
*)r300_winsys
;
118 r300
->context
.screen
= screen
;
120 r300_init_debug(r300
);
122 r300
->context
.destroy
= r300_destroy_context
;
124 r300
->context
.clear
= r300_clear
;
126 if (r300screen
->caps
->has_tcl
)
128 r300
->context
.draw_arrays
= r300_draw_arrays
;
129 r300
->context
.draw_elements
= r300_draw_elements
;
130 r300
->context
.draw_range_elements
= r300_draw_range_elements
;
137 r300
->context
.is_texture_referenced
= r300_is_texture_referenced
;
138 r300
->context
.is_buffer_referenced
= r300_is_buffer_referenced
;
140 r300
->shader_hash_table
= util_hash_table_create(r300_shader_key_hash
,
141 r300_shader_key_compare
);
143 r300
->blend_color_state
= CALLOC_STRUCT(r300_blend_color_state
);
144 r300
->rs_block
= CALLOC_STRUCT(r300_rs_block
);
145 r300
->scissor_state
= CALLOC_STRUCT(r300_scissor_state
);
146 r300
->viewport_state
= CALLOC_STRUCT(r300_viewport_state
);
148 /* Create a Draw. This is used for vert collation and SW TCL. */
149 r300
->draw
= draw_create();
150 /* Enable our renderer. */
151 draw_set_rasterize_stage(r300
->draw
, r300_draw_stage(r300
));
152 /* Disable Draw's clipping if TCL is present. */
153 draw_set_driver_clipping(r300
->draw
, r300_screen(screen
)->caps
->has_tcl
);
154 /* Force Draw to never do viewport transform, since (again) we can do
155 * transform in hardware, always. */
156 draw_set_viewport_state(r300
->draw
, &r300_viewport_identity
);
158 /* Open up the OQ BO. */
159 r300
->oqbo
= screen
->buffer_create(screen
, 4096,
160 PIPE_BUFFER_USAGE_VERTEX
, 4096);
161 make_empty_list(&r300
->query_list
);
163 r300_init_flush_functions(r300
);
165 r300_init_query_functions(r300
);
167 /* r300_init_surface_functions(r300); */
169 r300_init_state_functions(r300
);
171 r300_emit_invariant_state(r300
);
173 r300
->winsys
->set_flush_cb(r300
->winsys
, r300_flush_cb
, r300
);
174 r300
->dirty_state
= R300_NEW_KITCHEN_SINK
;
176 return &r300
->context
;