summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/r300/r300_context.c
blob: 16a75aa612b9b859c3119dc18f07e7f36d2245d4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
/*
 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE. */

#include "draw/draw_context.h"

#include "util/u_memory.h"
#include "util/u_sampler.h"
#include "util/u_simple_list.h"
#include "util/u_upload_mgr.h"

#include "r300_cb.h"
#include "r300_context.h"
#include "r300_emit.h"
#include "r300_screen.h"
#include "r300_screen_buffer.h"
#include "r300_state_invariant.h"
#include "r300_winsys.h"

#include <inttypes.h>

static void r300_destroy_context(struct pipe_context* context)
{
    struct r300_context* r300 = r300_context(context);
    struct r300_query *query, *temp;
    struct r300_atom *atom;

    if (r300->texkill_sampler) {
        pipe_sampler_view_reference(
                (struct pipe_sampler_view**)&r300->texkill_sampler,
                NULL);
    }

    util_blitter_destroy(r300->blitter);
    draw_destroy(r300->draw);

    /* Print stats, if enabled. */
    if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) {
        fprintf(stderr, "r300: Stats for context %p:\n", r300);
        fprintf(stderr, "    : Flushes: %" PRIu64 "\n", r300->flush_counter);
        foreach(atom, &r300->atom_list) {
            fprintf(stderr, "    : %s: %" PRIu64 " emits\n",
                atom->name, atom->counter);
        }
    }

    /* If there are any queries pending or not destroyed, remove them now. */
    foreach_s(query, temp, &r300->query_list) {
        remove_from_list(query);
        FREE(query);
    }

    u_upload_destroy(r300->upload_vb);
    u_upload_destroy(r300->upload_ib);

    translate_cache_destroy(r300->tran.translate_cache);

    FREE(r300->blend_color_state.state);
    FREE(r300->clip_state.state);
    FREE(r300->fb_state.state);
    FREE(r300->rs_block_state.state);
    FREE(r300->scissor_state.state);
    FREE(r300->textures_state.state);
    FREE(r300->viewport_state.state);
    FREE(r300->ztop_state.state);
    FREE(r300->fs_constants.state);
    FREE(r300->vs_constants.state);
    if (!r300->screen->caps.has_tcl) {
        FREE(r300->vertex_stream_state.state);
    }
    FREE(r300);
}

static void r300_flush_cb(void *data)
{
    struct r300_context* const cs_context_copy = data;

    cs_context_copy->context.flush(&cs_context_copy->context, 0, NULL);
}

#define R300_INIT_ATOM(atomname, atomsize) \
    r300->atomname.name = #atomname; \
    r300->atomname.state = NULL; \
    r300->atomname.size = atomsize; \
    r300->atomname.emit = r300_emit_##atomname; \
    r300->atomname.dirty = FALSE; \
    insert_at_tail(&r300->atom_list, &r300->atomname);

static void r300_setup_atoms(struct r300_context* r300)
{
    boolean is_r500 = r300->screen->caps.is_r500;
    boolean has_tcl = r300->screen->caps.has_tcl;

    /* Create the actual atom list.
     *
     * Each atom is examined and emitted in the order it appears here, which
     * can affect performance and conformance if not handled with care.
     *
     * Some atoms never change size, others change every emit - those have
     * the size of 0 here. */
    make_empty_list(&r300->atom_list);
    R300_INIT_ATOM(invariant_state, 71);
    R300_INIT_ATOM(ztop_state, 2);
    R300_INIT_ATOM(query_start, 4);
    R300_INIT_ATOM(blend_state, 8);
    R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2);
    R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2);
    R300_INIT_ATOM(dsa_state, is_r500 ? 8 : 6);
    R300_INIT_ATOM(fb_state, 0);
    R300_INIT_ATOM(rs_state, 0);
    R300_INIT_ATOM(scissor_state, 3);
    R300_INIT_ATOM(viewport_state, 9);
    R300_INIT_ATOM(rs_block_state, 0);
    R300_INIT_ATOM(vertex_stream_state, 0);
    R300_INIT_ATOM(pvs_flush, 2);
    R300_INIT_ATOM(vs_state, 0);
    R300_INIT_ATOM(vs_constants, 0);
    R300_INIT_ATOM(texture_cache_inval, 2);
    R300_INIT_ATOM(textures_state, 0);
    R300_INIT_ATOM(fs, 0);
    R300_INIT_ATOM(fs_rc_constant_state, 0);
    R300_INIT_ATOM(fs_constants, 0);

    /* Replace emission functions for r500. */
    if (r300->screen->caps.is_r500) {
        r300->fs.emit = r500_emit_fs;
        r300->fs_rc_constant_state.emit = r500_emit_fs_rc_constant_state;
        r300->fs_constants.emit = r500_emit_fs_constants;
    }

    /* Some non-CSO atoms need explicit space to store the state locally. */
    r300->blend_color_state.state = CALLOC_STRUCT(r300_blend_color_state);
    r300->clip_state.state = CALLOC_STRUCT(r300_clip_state);
    r300->fb_state.state = CALLOC_STRUCT(pipe_framebuffer_state);
    r300->rs_block_state.state = CALLOC_STRUCT(r300_rs_block);
    r300->scissor_state.state = CALLOC_STRUCT(pipe_scissor_state);
    r300->textures_state.state = CALLOC_STRUCT(r300_textures_state);
    r300->viewport_state.state = CALLOC_STRUCT(r300_viewport_state);
    r300->ztop_state.state = CALLOC_STRUCT(r300_ztop_state);
    r300->fs_constants.state = CALLOC_STRUCT(r300_constant_buffer);
    r300->vs_constants.state = CALLOC_STRUCT(r300_constant_buffer);
    if (!r300->screen->caps.has_tcl) {
        r300->vertex_stream_state.state = CALLOC_STRUCT(r300_vertex_stream_state);
    }

    /* Some non-CSO atoms don't use the state pointer. */
    r300->invariant_state.allow_null_state = TRUE;
    r300->fs_rc_constant_state.allow_null_state = TRUE;
    r300->pvs_flush.allow_null_state = TRUE;
    r300->query_start.allow_null_state = TRUE;
    r300->texture_cache_inval.allow_null_state = TRUE;
}

/* Not every state tracker calls every driver function before the first draw
 * call and we must initialize the command buffers somehow. */
static void r300_init_states(struct pipe_context *pipe)
{
    struct pipe_blend_color bc = {{0}};
    struct pipe_clip_state cs = {{{0}}};
    struct pipe_scissor_state ss = {0};
    struct r300_clip_state *clip =
            (struct r300_clip_state*)r300_context(pipe)->clip_state.state;
    CB_LOCALS;

    pipe->set_blend_color(pipe, &bc);
    pipe->set_scissor_state(pipe, &ss);

    if (r300_context(pipe)->screen->caps.has_tcl) {
        pipe->set_clip_state(pipe, &cs);
    } else {
        BEGIN_CB(clip->cb, 2);
        OUT_CB_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE);
        END_CB;
    }
}

struct pipe_context* r300_create_context(struct pipe_screen* screen,
                                         void *priv)
{
    struct r300_context* r300 = CALLOC_STRUCT(r300_context);
    struct r300_screen* r300screen = r300_screen(screen);
    struct r300_winsys_screen *rws = r300screen->rws;

    if (!r300)
        return NULL;

    r300->rws = rws;
    r300->screen = r300screen;

    r300->context.winsys = (struct pipe_winsys*)rws;
    r300->context.screen = screen;
    r300->context.priv = priv;

    r300->context.destroy = r300_destroy_context;

    if (!r300screen->caps.has_tcl) {
        /* Create a Draw. This is used for SW TCL. */
        r300->draw = draw_create(&r300->context);
        /* Enable our renderer. */
        draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300));
        /* Enable Draw's clipping. */
        draw_set_driver_clipping(r300->draw, FALSE);
        /* Disable converting points/lines to triangles. */
        draw_wide_line_threshold(r300->draw, 10000000.f);
        draw_wide_point_threshold(r300->draw, 10000000.f);
    }

    r300_setup_atoms(r300);

    make_empty_list(&r300->query_list);

    r300_init_blit_functions(r300);
    r300_init_flush_functions(r300);
    r300_init_query_functions(r300);
    r300_init_render_functions(r300);
    r300_init_state_functions(r300);
    r300_init_resource_functions(r300);

    r300->invariant_state.dirty = TRUE;

    rws->set_flush_cb(r300->rws, r300_flush_cb, r300);
    r300->dirty_hw++;

    r300->blitter = util_blitter_create(&r300->context);

    r300->upload_ib = u_upload_create(&r300->context,
				      32 * 1024, 16,
				      PIPE_BIND_INDEX_BUFFER);

    if (r300->upload_ib == NULL)
        goto no_upload_ib;

    r300->upload_vb = u_upload_create(&r300->context,
				      128 * 1024, 16,
				      PIPE_BIND_VERTEX_BUFFER);
    if (r300->upload_vb == NULL)
        goto no_upload_vb;

    r300->tran.translate_cache = translate_cache_create();

    r300_init_states(&r300->context);

    /* The KIL opcode needs the first texture unit to be enabled
     * on r3xx-r4xx. In order to calm down the CS checker, we bind this
     * dummy texture there. */
    if (!r300->screen->caps.is_r500) {
        struct pipe_resource *tex;
        struct pipe_resource rtempl = {{0}};
        struct pipe_sampler_view vtempl = {{0}};

        rtempl.target = PIPE_TEXTURE_2D;
        rtempl.format = PIPE_FORMAT_I8_UNORM;
        rtempl.bind = PIPE_BIND_SAMPLER_VIEW;
        rtempl.width0 = 1;
        rtempl.height0 = 1;
        rtempl.depth0 = 1;
        tex = screen->resource_create(screen, &rtempl);

        u_sampler_view_default_template(&vtempl, tex, tex->format);

        r300->texkill_sampler = (struct r300_sampler_view*)
            r300->context.create_sampler_view(&r300->context, tex, &vtempl);

        pipe_resource_reference(&tex, NULL);

        /* This will make sure that the dummy texture is set up
         * from the beginning even if an application does not use
         * textures. */
        r300->textures_state.dirty = TRUE;
    }

    return &r300->context;

 no_upload_ib:
    u_upload_destroy(r300->upload_ib);
 no_upload_vb:
    FREE(r300);
    return NULL;
}

boolean r300_check_cs(struct r300_context *r300, unsigned size)
{
    return size <= r300->rws->get_cs_free_dwords(r300->rws);
}

void r300_finish(struct r300_context *r300)
{
    struct pipe_framebuffer_state *fb;
    unsigned i;

    /* This is a preliminary implementation of glFinish.
     *
     * The ideal implementation should use something like EmitIrqLocked and
     * WaitIrq, or better, real fences.
     */
    if (r300->fb_state.state) {
        fb = r300->fb_state.state;

        for (i = 0; i < fb->nr_cbufs; i++) {
            if (fb->cbufs[i]->texture) {
                r300->rws->buffer_wait(r300->rws,
                    r300_texture(fb->cbufs[i]->texture)->buffer);
                return;
            }
        }
        if (fb->zsbuf && fb->zsbuf->texture) {
            r300->rws->buffer_wait(r300->rws,
                r300_texture(fb->zsbuf->texture)->buffer);
        }
    }
}