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_screen_buffer.h"
  37 #include "r300_state_invariant.h"
  38 #include "r300_winsys.h"
  39
  40 #include <inttypes.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     struct r300_atom *atom;
  47
  48     util_blitter_destroy(r300->blitter);
  49     draw_destroy(r300->draw);
  50
  51     /* Print stats, if enabled. */
  52     if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) {
  53         fprintf(stderr, "r300: Stats for context %p:\n", r300);
  54         fprintf(stderr, "    : Flushes: %" PRIu64 "\n", r300->flush_counter);
  55         foreach(atom, &r300->atom_list) {
  56             fprintf(stderr, "    : %s: %" PRIu64 " emits\n",
  57                 atom->name, atom->counter);
  58         }
  59     }
  60
  61     /* Free the OQ BO. */
  62     context->screen->resource_destroy(context->screen, r300->oqbo);
  63
  64     /* If there are any queries pending or not destroyed, remove them now. */
  65     foreach_s(query, temp, &r300->query_list) {
  66         remove_from_list(query);
  67         FREE(query);
  68     }
  69
  70     u_upload_destroy(r300->upload_vb);
  71     u_upload_destroy(r300->upload_ib);
  72
  73     FREE(r300->blend_color_state.state);
  74     FREE(r300->clip_state.state);
  75     FREE(r300->fb_state.state);
  76     FREE(r300->rs_block_state.state);
  77     FREE(r300->scissor_state.state);
  78     FREE(r300->textures_state.state);
  79     FREE(r300->viewport_state.state);
  80     FREE(r300->ztop_state.state);
  81     FREE(r300->fs_constants.state);
  82     FREE(r300->vs_constants.state);
  83     if (!r300->screen->caps.has_tcl) {
  84         FREE(r300->vertex_stream_state.state);
  85     }
  86     FREE(r300);
  87 }
  88
  89 static void r300_flush_cb(void *data)
  90 {
  91     struct r300_context* const cs_context_copy = data;
  92
  93     cs_context_copy->context.flush(&cs_context_copy->context, 0, NULL);
  94 }
  95
  96 #define R300_INIT_ATOM(atomname, atomsize) \
  97     r300->atomname.name = #atomname; \
  98     r300->atomname.state = NULL; \
  99     r300->atomname.size = atomsize; \
 100     r300->atomname.emit = r300_emit_##atomname; \
 101     r300->atomname.dirty = FALSE; \
 102     insert_at_tail(&r300->atom_list, &r300->atomname);
 103
 104 static void r300_setup_atoms(struct r300_context* r300)
 105 {
 106     boolean is_r500 = r300->screen->caps.is_r500;
 107     boolean has_tcl = r300->screen->caps.has_tcl;
 108
 109     /* Create the actual atom list.
 110      *
 111      * Each atom is examined and emitted in the order it appears here, which
 112      * can affect performance and conformance if not handled with care.
 113      *
 114      * Some atoms never change size, others change every emit - those have
 115      * the size of 0 here. */
 116     make_empty_list(&r300->atom_list);
 117     R300_INIT_ATOM(invariant_state, 71);
 118     R300_INIT_ATOM(query_start, 4);
 119     R300_INIT_ATOM(ztop_state, 2);
 120     R300_INIT_ATOM(blend_state, 8);
 121     R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2);
 122     R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2);
 123     R300_INIT_ATOM(dsa_state, is_r500 ? 8 : 6);
 124     R300_INIT_ATOM(fb_state, 0);
 125     R300_INIT_ATOM(rs_state, 0);
 126     R300_INIT_ATOM(scissor_state, 3);
 127     R300_INIT_ATOM(viewport_state, 9);
 128     R300_INIT_ATOM(rs_block_state, 0);
 129     R300_INIT_ATOM(vertex_stream_state, 0);
 130     R300_INIT_ATOM(pvs_flush, 2);
 131     R300_INIT_ATOM(vs_state, 0);
 132     R300_INIT_ATOM(vs_constants, 0);
 133     R300_INIT_ATOM(texture_cache_inval, 2);
 134     R300_INIT_ATOM(textures_state, 0);
 135     R300_INIT_ATOM(fs, 0);
 136     R300_INIT_ATOM(fs_rc_constant_state, 0);
 137     R300_INIT_ATOM(fs_constants, 0);
 138
 139     /* Replace emission functions for r500. */
 140     if (r300->screen->caps.is_r500) {
 141         r300->fs.emit = r500_emit_fs;
 142         r300->fs_rc_constant_state.emit = r500_emit_fs_rc_constant_state;
 143         r300->fs_constants.emit = r500_emit_fs_constants;
 144     }
 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->viewport_state.state = CALLOC_STRUCT(r300_viewport_state);
 154     r300->ztop_state.state = CALLOC_STRUCT(r300_ztop_state);
 155     r300->fs_constants.state = CALLOC_STRUCT(r300_constant_buffer);
 156     r300->vs_constants.state = CALLOC_STRUCT(r300_constant_buffer);
 157     if (!r300->screen->caps.has_tcl) {
 158         r300->vertex_stream_state.state = CALLOC_STRUCT(r300_vertex_stream_state);
 159     }
 160
 161     /* Some non-CSO atoms don't use the state pointer. */
 162     r300->invariant_state.allow_null_state = TRUE;
 163     r300->fs_rc_constant_state.allow_null_state = TRUE;
 164     r300->pvs_flush.allow_null_state = TRUE;
 165     r300->query_start.allow_null_state = TRUE;
 166     r300->texture_cache_inval.allow_null_state = TRUE;
 167 }
 168
 169 struct pipe_context* r300_create_context(struct pipe_screen* screen,
 170                                          void *priv)
 171 {
 172     struct r300_context* r300 = CALLOC_STRUCT(r300_context);
 173     struct r300_screen* r300screen = r300_screen(screen);
 174     struct r300_winsys_screen *rws = r300screen->rws;
 175
 176     if (!r300)
 177         return NULL;
 178
 179     r300->rws = rws;
 180     r300->screen = r300screen;
 181
 182     r300->context.winsys = (struct pipe_winsys*)rws;
 183     r300->context.screen = screen;
 184     r300->context.priv = priv;
 185
 186     r300->context.destroy = r300_destroy_context;
 187
 188     r300->context.clear = r300_clear;
 189     r300->context.surface_copy = r300_surface_copy;
 190     r300->context.surface_fill = r300_surface_fill;
 191
 192     if (r300screen->caps.has_tcl) {
 193         r300->context.draw_arrays = r300_draw_arrays;
 194         r300->context.draw_elements = r300_draw_elements;
 195         r300->context.draw_range_elements = r300_draw_range_elements;
 196
 197         if (r300screen->caps.is_r500) {
 198             r300->emit_draw_arrays_immediate = r500_emit_draw_arrays_immediate;
 199             r300->emit_draw_arrays = r500_emit_draw_arrays;
 200             r300->emit_draw_elements = r500_emit_draw_elements;
 201         } else {
 202             r300->emit_draw_arrays_immediate = r300_emit_draw_arrays_immediate;
 203             r300->emit_draw_arrays = r300_emit_draw_arrays;
 204             r300->emit_draw_elements = r300_emit_draw_elements;
 205         }
 206     } else {
 207         r300->context.draw_arrays = r300_swtcl_draw_arrays;
 208         r300->context.draw_elements = r300_draw_elements;
 209         r300->context.draw_range_elements = r300_swtcl_draw_range_elements;
 210
 211         /* Create a Draw. This is used for SW TCL. */
 212         r300->draw = draw_create(&r300->context);
 213         /* Enable our renderer. */
 214         draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300));
 215         /* Enable Draw's clipping. */
 216         draw_set_driver_clipping(r300->draw, FALSE);
 217     }
 218
 219     r300_setup_atoms(r300);
 220
 221     /* Open up the OQ BO. */
 222     r300->oqbo = pipe_buffer_create(screen,
 223                                     R300_BIND_OQBO, 4096);
 224     make_empty_list(&r300->query_list);
 225
 226     r300_init_flush_functions(r300);
 227     r300_init_query_functions(r300);
 228     r300_init_state_functions(r300);
 229     r300_init_resource_functions(r300);
 230
 231     r300->invariant_state.dirty = TRUE;
 232
 233     rws->set_flush_cb(r300->rws, r300_flush_cb, r300);
 234     r300->dirty_hw++;
 235
 236     r300->blitter = util_blitter_create(&r300->context);
 237
 238     r300->upload_ib = u_upload_create(&r300->context,
 239                                       32 * 1024, 16,
 240                                       PIPE_BIND_INDEX_BUFFER);
 241
 242     if (r300->upload_ib == NULL)
 243         goto no_upload_ib;
 244
 245     r300->upload_vb = u_upload_create(&r300->context,
 246                                       128 * 1024, 16,
 247                                       PIPE_BIND_VERTEX_BUFFER);
 248     if (r300->upload_vb == NULL)
 249         goto no_upload_vb;
 250
 251     return &r300->context;
 252
 253  no_upload_ib:
 254     u_upload_destroy(r300->upload_ib);
 255  no_upload_vb:
 256     FREE(r300);
 257     return NULL;
 258 }