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 static void r300_destroy_context(struct pipe_context* context)
  41 {
  42     struct r300_context* r300 = r300_context(context);
  43     struct r300_query* query, * temp;
  44
  45     util_blitter_destroy(r300->blitter);
  46     draw_destroy(r300->draw);
  47
  48     /* Free the OQ BO. */
  49     context->screen->resource_destroy(context->screen, r300->oqbo);
  50
  51     /* If there are any queries pending or not destroyed, remove them now. */
  52     foreach_s(query, temp, &r300->query_list) {
  53         remove_from_list(query);
  54         FREE(query);
  55     }
  56
  57     u_upload_destroy(r300->upload_vb);
  58     u_upload_destroy(r300->upload_ib);
  59
  60     FREE(r300->blend_color_state.state);
  61     FREE(r300->clip_state.state);
  62     FREE(r300->fb_state.state);
  63     FREE(r300->rs_block_state.state);
  64     FREE(r300->scissor_state.state);
  65     FREE(r300->textures_state.state);
  66     FREE(r300->vap_output_state.state);
  67     FREE(r300->viewport_state.state);
  68     FREE(r300->ztop_state.state);
  69     FREE(r300->fs_constants.state);
  70     FREE(r300->vs_constants.state);
  71     FREE(r300);
  72 }
  73
  74
  75 static void r300_flush_cb(void *data)
  76 {
  77     struct r300_context* const cs_context_copy = data;
  78
  79     cs_context_copy->context.flush(&cs_context_copy->context, 0, NULL);
  80 }
  81
  82 #define R300_INIT_ATOM(atomname, atomsize) \
  83     r300->atomname.name = #atomname; \
  84     r300->atomname.state = NULL; \
  85     r300->atomname.size = atomsize; \
  86     r300->atomname.emit = r300_emit_##atomname; \
  87     r300->atomname.dirty = FALSE; \
  88     insert_at_tail(&r300->atom_list, &r300->atomname);
  89
  90 static void r300_setup_atoms(struct r300_context* r300)
  91 {
  92     boolean is_r500 = r300->screen->caps.is_r500;
  93     boolean has_tcl = r300->screen->caps.has_tcl;
  94
  95     /* Create the actual atom list.
  96      *
  97      * Each atom is examined and emitted in the order it appears here, which
  98      * can affect performance and conformance if not handled with care.
  99      *
 100      * Some atoms never change size, others change every emit - those have
 101      * the size of 0 here. */
 102     make_empty_list(&r300->atom_list);
 103     R300_INIT_ATOM(invariant_state, 71);
 104     R300_INIT_ATOM(query_start, 4);
 105     R300_INIT_ATOM(ztop_state, 2);
 106     R300_INIT_ATOM(blend_state, 8);
 107     R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2);
 108     R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2);
 109     R300_INIT_ATOM(dsa_state, is_r500 ? 8 : 6);
 110     R300_INIT_ATOM(fb_state, 0);
 111     R300_INIT_ATOM(rs_state, 0);
 112     R300_INIT_ATOM(scissor_state, 3);
 113     R300_INIT_ATOM(viewport_state, 9);
 114     R300_INIT_ATOM(rs_block_state, 0);
 115     R300_INIT_ATOM(vertex_stream_state, 0);
 116     R300_INIT_ATOM(vap_output_state, 6);
 117     R300_INIT_ATOM(pvs_flush, 2);
 118     R300_INIT_ATOM(vs_state, 0);
 119     R300_INIT_ATOM(vs_constants, 0);
 120     R300_INIT_ATOM(texture_cache_inval, 2);
 121     R300_INIT_ATOM(textures_state, 0);
 122     R300_INIT_ATOM(fs, 0);
 123     R300_INIT_ATOM(fs_rc_constant_state, 0);
 124     R300_INIT_ATOM(fs_constants, 0);
 125
 126     /* Replace emission functions for r500. */
 127     if (r300->screen->caps.is_r500) {
 128         r300->fs.emit = r500_emit_fs;
 129         r300->fs_rc_constant_state.emit = r500_emit_fs_rc_constant_state;
 130         r300->fs_constants.emit = r500_emit_fs_constants;
 131     }
 132
 133     /* Some non-CSO atoms need explicit space to store the state locally. */
 134     r300->blend_color_state.state = CALLOC_STRUCT(r300_blend_color_state);
 135     r300->clip_state.state = CALLOC_STRUCT(pipe_clip_state);
 136     r300->fb_state.state = CALLOC_STRUCT(pipe_framebuffer_state);
 137     r300->rs_block_state.state = CALLOC_STRUCT(r300_rs_block);
 138     r300->scissor_state.state = CALLOC_STRUCT(pipe_scissor_state);
 139     r300->textures_state.state = CALLOC_STRUCT(r300_textures_state);
 140     r300->vap_output_state.state = CALLOC_STRUCT(r300_vap_output_state);
 141     r300->viewport_state.state = CALLOC_STRUCT(r300_viewport_state);
 142     r300->ztop_state.state = CALLOC_STRUCT(r300_ztop_state);
 143     r300->fs_constants.state = CALLOC_STRUCT(r300_constant_buffer);
 144     r300->vs_constants.state = CALLOC_STRUCT(r300_constant_buffer);
 145 }
 146
 147 struct pipe_context* r300_create_context(struct pipe_screen* screen,
 148                                          void *priv)
 149 {
 150     struct r300_context* r300 = CALLOC_STRUCT(r300_context);
 151     struct r300_screen* r300screen = r300_screen(screen);
 152     struct r300_winsys_screen *rws = r300screen->rws;
 153
 154     if (!r300)
 155         return NULL;
 156
 157     r300->rws = rws;
 158     r300->screen = r300screen;
 159
 160     r300->context.winsys = (struct pipe_winsys*)rws;
 161     r300->context.screen = screen;
 162     r300->context.priv = priv;
 163
 164     r300->context.destroy = r300_destroy_context;
 165
 166     r300->context.clear = r300_clear;
 167     r300->context.surface_copy = r300_surface_copy;
 168     r300->context.surface_fill = r300_surface_fill;
 169
 170     if (r300screen->caps.has_tcl) {
 171         r300->context.draw_arrays = r300_draw_arrays;
 172         r300->context.draw_elements = r300_draw_elements;
 173         r300->context.draw_range_elements = r300_draw_range_elements;
 174
 175         if (r300screen->caps.is_r500) {
 176             r300->emit_draw_arrays_immediate = r500_emit_draw_arrays_immediate;
 177             r300->emit_draw_arrays = r500_emit_draw_arrays;
 178             r300->emit_draw_elements = r500_emit_draw_elements;
 179         } else {
 180             r300->emit_draw_arrays_immediate = r300_emit_draw_arrays_immediate;
 181             r300->emit_draw_arrays = r300_emit_draw_arrays;
 182             r300->emit_draw_elements = r300_emit_draw_elements;
 183         }
 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_setup_atoms(r300);
 201
 202     /* Open up the OQ BO. */
 203     r300->oqbo = pipe_buffer_create(screen,
 204                                     R300_BIND_OQBO, 4096);
 205     make_empty_list(&r300->query_list);
 206
 207     r300_init_flush_functions(r300);
 208     r300_init_query_functions(r300);
 209     r300_init_state_functions(r300);
 210     r300_init_resource_functions(r300);
 211
 212     r300->invariant_state.dirty = TRUE;
 213
 214     rws->set_flush_cb(r300->rws, r300_flush_cb, r300);
 215     r300->dirty_hw++;
 216
 217     r300->blitter = util_blitter_create(&r300->context);
 218
 219     r300->upload_ib = u_upload_create(&r300->context,
 220                                       32 * 1024, 16,
 221                                       PIPE_BIND_INDEX_BUFFER);
 222
 223     if (r300->upload_ib == NULL)
 224         goto no_upload_ib;
 225
 226     r300->upload_vb = u_upload_create(&r300->context,
 227                                       128 * 1024, 16,
 228                                       PIPE_BIND_VERTEX_BUFFER);
 229     if (r300->upload_vb == NULL)
 230         goto no_upload_vb;
 231
 232     return &r300->context;
 233
 234  no_upload_ib:
 235     u_upload_destroy(r300->upload_ib);
 236  no_upload_vb:
 237     FREE(r300);
 238     return NULL;
 239 }