Merge branch '7.8'
[mesa.git] / src / gallium / drivers / r300 / r300_context.c
1 /*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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 #include "draw/draw_context.h"
24
25 #include "util/u_memory.h"
26 #include "util/u_simple_list.h"
27 #include "util/u_upload_mgr.h"
28
29 #include "r300_blit.h"
30 #include "r300_context.h"
31 #include "r300_emit.h"
32 #include "r300_flush.h"
33 #include "r300_query.h"
34 #include "r300_render.h"
35 #include "r300_screen.h"
36 #include "r300_state_invariant.h"
37 #include "r300_texture.h"
38 #include "r300_transfer.h"
39
40 #include "radeon_winsys.h"
41
42 static void r300_destroy_context(struct pipe_context* context)
43 {
44 struct r300_context* r300 = r300_context(context);
45 struct r300_query* query, * temp;
46
47 util_blitter_destroy(r300->blitter);
48 draw_destroy(r300->draw);
49
50 /* Free the OQ BO. */
51 context->screen->buffer_destroy(r300->oqbo);
52
53 /* If there are any queries pending or not destroyed, remove them now. */
54 foreach_s(query, temp, &r300->query_list) {
55 remove_from_list(query);
56 FREE(query);
57 }
58
59 u_upload_destroy(r300->upload_vb);
60 u_upload_destroy(r300->upload_ib);
61
62 FREE(r300->blend_color_state.state);
63 FREE(r300->clip_state.state);
64 FREE(r300->fb_state.state);
65 FREE(r300->rs_block_state.state);
66 FREE(r300->scissor_state.state);
67 FREE(r300->textures_state.state);
68 FREE(r300->vap_output_state.state);
69 FREE(r300->viewport_state.state);
70 FREE(r300->ztop_state.state);
71 FREE(r300);
72 }
73
74 static unsigned int
75 r300_is_texture_referenced(struct pipe_context *pipe,
76 struct pipe_texture *texture,
77 unsigned face, unsigned level)
78 {
79 return 0;
80 }
81
82 static unsigned int
83 r300_is_buffer_referenced(struct pipe_context *pipe,
84 struct pipe_buffer *buf)
85 {
86 /* This only checks to see whether actual hardware buffers are
87 * referenced. Since we use managed BOs and transfers, it's actually not
88 * possible for pipe_buffers to ever reference the actual hardware, so
89 * buffers are never referenced.
90 */
91
92 /* XXX: that doesn't make sense given that
93 * r300_is_texture_referenced is implemented on top of this
94 * function and hardware can certainly refer to textures
95 * directly...
96 */
97 return 0;
98 }
99
100 static void r300_flush_cb(void *data)
101 {
102 struct r300_context* const cs_context_copy = data;
103
104 cs_context_copy->context.flush(&cs_context_copy->context, 0, NULL);
105 }
106
107 #define R300_INIT_ATOM(atomname, atomsize) \
108 r300->atomname.name = #atomname; \
109 r300->atomname.state = NULL; \
110 r300->atomname.size = atomsize; \
111 r300->atomname.emit = r300_emit_##atomname; \
112 r300->atomname.dirty = FALSE; \
113 insert_at_tail(&r300->atom_list, &r300->atomname);
114
115 static void r300_setup_atoms(struct r300_context* r300)
116 {
117 boolean is_r500 = r300_screen(r300->context.screen)->caps->is_r500;
118 boolean has_tcl = r300_screen(r300->context.screen)->caps->has_tcl;
119
120 /* Create the actual atom list.
121 *
122 * Each atom is examined and emitted in the order it appears here, which
123 * can affect performance and conformance if not handled with care.
124 *
125 * Some atoms never change size, others change every emit - those have
126 * the size of 0 here. */
127 make_empty_list(&r300->atom_list);
128 R300_INIT_ATOM(invariant_state, 71);
129 R300_INIT_ATOM(ztop_state, 2);
130 R300_INIT_ATOM(blend_state, 8);
131 R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2);
132 R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2);
133 R300_INIT_ATOM(dsa_state, is_r500 ? 8 : 6);
134 R300_INIT_ATOM(fb_state, 0);
135 R300_INIT_ATOM(rs_state, 0);
136 R300_INIT_ATOM(scissor_state, 3);
137 R300_INIT_ATOM(viewport_state, 9);
138 R300_INIT_ATOM(rs_block_state, 0);
139 R300_INIT_ATOM(vertex_stream_state, 0);
140 R300_INIT_ATOM(vap_output_state, 6);
141 R300_INIT_ATOM(pvs_flush, 2);
142 R300_INIT_ATOM(vs_state, 0);
143 R300_INIT_ATOM(texture_cache_inval, 2);
144 R300_INIT_ATOM(textures_state, 0);
145
146 /* Some non-CSO atoms need explicit space to store the state locally. */
147 r300->blend_color_state.state = CALLOC_STRUCT(r300_blend_color_state);
148 r300->clip_state.state = CALLOC_STRUCT(pipe_clip_state);
149 r300->fb_state.state = CALLOC_STRUCT(pipe_framebuffer_state);
150 r300->rs_block_state.state = CALLOC_STRUCT(r300_rs_block);
151 r300->scissor_state.state = CALLOC_STRUCT(pipe_scissor_state);
152 r300->textures_state.state = CALLOC_STRUCT(r300_textures_state);
153 r300->vap_output_state.state = CALLOC_STRUCT(r300_vap_output_state);
154 r300->viewport_state.state = CALLOC_STRUCT(r300_viewport_state);
155 r300->ztop_state.state = CALLOC_STRUCT(r300_ztop_state);
156 }
157
158 struct pipe_context* r300_create_context(struct pipe_screen* screen,
159 void *priv)
160 {
161 struct r300_context* r300 = CALLOC_STRUCT(r300_context);
162 struct r300_screen* r300screen = r300_screen(screen);
163 struct r300_winsys_screen *rws = r300screen->rws;
164
165 if (!r300)
166 return NULL;
167
168 r300->rws = rws;
169
170 r300->context.winsys = (struct pipe_winsys*)rws;
171 r300->context.screen = screen;
172 r300->context.priv = priv;
173
174 r300->context.destroy = r300_destroy_context;
175
176 r300->context.clear = r300_clear;
177 r300->context.surface_copy = r300_surface_copy;
178 r300->context.surface_fill = r300_surface_fill;
179
180 if (r300screen->caps->has_tcl) {
181 r300->context.draw_arrays = r300_draw_arrays;
182 r300->context.draw_elements = r300_draw_elements;
183 r300->context.draw_range_elements = r300_draw_range_elements;
184 } else {
185 r300->context.draw_arrays = r300_swtcl_draw_arrays;
186 r300->context.draw_elements = r300_draw_elements;
187 r300->context.draw_range_elements = r300_swtcl_draw_range_elements;
188
189 /* Create a Draw. This is used for SW TCL. */
190 r300->draw = draw_create();
191 /* Enable our renderer. */
192 draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300));
193 /* Enable Draw's clipping. */
194 draw_set_driver_clipping(r300->draw, FALSE);
195 /* Force Draw to never do viewport transform, since we can do
196 * transform in hardware, always. */
197 draw_set_viewport_state(r300->draw, &r300_viewport_identity);
198 }
199
200 r300->context.is_texture_referenced = r300_is_texture_referenced;
201 r300->context.is_buffer_referenced = r300_is_buffer_referenced;
202
203 r300_setup_atoms(r300);
204
205 /* Open up the OQ BO. */
206 r300->oqbo = screen->buffer_create(screen, 4096,
207 PIPE_BUFFER_USAGE_VERTEX, 4096);
208 make_empty_list(&r300->query_list);
209
210 r300_init_flush_functions(r300);
211
212 r300_init_query_functions(r300);
213
214 r300_init_transfer_functions(r300);
215
216 r300_init_state_functions(r300);
217
218 r300->invariant_state.dirty = TRUE;
219
220 rws->set_flush_cb(r300->rws, r300_flush_cb, r300);
221 r300->dirty_hw++;
222
223 r300->blitter = util_blitter_create(&r300->context);
224
225 r300->upload_ib = u_upload_create(screen,
226 32 * 1024, 16,
227 PIPE_BUFFER_USAGE_INDEX);
228
229 if (r300->upload_ib == NULL)
230 goto no_upload_ib;
231
232 r300->upload_vb = u_upload_create(screen,
233 128 * 1024, 16,
234 PIPE_BUFFER_USAGE_VERTEX);
235 if (r300->upload_vb == NULL)
236 goto no_upload_vb;
237
238 return &r300->context;
239
240 no_upload_ib:
241 u_upload_destroy(r300->upload_ib);
242 no_upload_vb:
243 FREE(r300);
244 return NULL;
245 }