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);
  70 }
  71
  72
  73 static void r300_flush_cb(void *data)
  74 {
  75     struct r300_context* const cs_context_copy = data;
  76
  77     cs_context_copy->context.flush(&cs_context_copy->context, 0, NULL);
  78 }
  79
  80 #define R300_INIT_ATOM(atomname, atomsize) \
  81     r300->atomname.name = #atomname; \
  82     r300->atomname.state = NULL; \
  83     r300->atomname.size = atomsize; \
  84     r300->atomname.emit = r300_emit_##atomname; \
  85     r300->atomname.dirty = FALSE; \
  86     insert_at_tail(&r300->atom_list, &r300->atomname);
  87
  88 static void r300_setup_atoms(struct r300_context* r300)
  89 {
  90     boolean is_r500 = r300->screen->caps.is_r500;
  91     boolean has_tcl = r300->screen->caps.has_tcl;
  92
  93     /* Create the actual atom list.
  94      *
  95      * Each atom is examined and emitted in the order it appears here, which
  96      * can affect performance and conformance if not handled with care.
  97      *
  98      * Some atoms never change size, others change every emit - those have
  99      * the size of 0 here. */
 100     make_empty_list(&r300->atom_list);
 101     R300_INIT_ATOM(invariant_state, 71);
 102     R300_INIT_ATOM(ztop_state, 2);
 103     R300_INIT_ATOM(blend_state, 8);
 104     R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2);
 105     R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2);
 106     R300_INIT_ATOM(dsa_state, is_r500 ? 8 : 6);
 107     R300_INIT_ATOM(fb_state, 0);
 108     R300_INIT_ATOM(rs_state, 0);
 109     R300_INIT_ATOM(scissor_state, 3);
 110     R300_INIT_ATOM(viewport_state, 9);
 111     R300_INIT_ATOM(rs_block_state, 0);
 112     R300_INIT_ATOM(vertex_stream_state, 0);
 113     R300_INIT_ATOM(vap_output_state, 6);
 114     R300_INIT_ATOM(pvs_flush, 2);
 115     R300_INIT_ATOM(vs_state, 0);
 116     R300_INIT_ATOM(texture_cache_inval, 2);
 117     R300_INIT_ATOM(textures_state, 0);
 118
 119     /* Some non-CSO atoms need explicit space to store the state locally. */
 120     r300->blend_color_state.state = CALLOC_STRUCT(r300_blend_color_state);
 121     r300->clip_state.state = CALLOC_STRUCT(pipe_clip_state);
 122     r300->fb_state.state = CALLOC_STRUCT(pipe_framebuffer_state);
 123     r300->rs_block_state.state = CALLOC_STRUCT(r300_rs_block);
 124     r300->scissor_state.state = CALLOC_STRUCT(pipe_scissor_state);
 125     r300->textures_state.state = CALLOC_STRUCT(r300_textures_state);
 126     r300->vap_output_state.state = CALLOC_STRUCT(r300_vap_output_state);
 127     r300->viewport_state.state = CALLOC_STRUCT(r300_viewport_state);
 128     r300->ztop_state.state = CALLOC_STRUCT(r300_ztop_state);
 129 }
 130
 131 struct pipe_context* r300_create_context(struct pipe_screen* screen,
 132                                          void *priv)
 133 {
 134     struct r300_context* r300 = CALLOC_STRUCT(r300_context);
 135     struct r300_screen* r300screen = r300_screen(screen);
 136     struct r300_winsys_screen *rws = r300screen->rws;
 137
 138     if (!r300)
 139         return NULL;
 140
 141     r300->rws = rws;
 142     r300->screen = r300screen;
 143
 144     r300->context.winsys = (struct pipe_winsys*)rws;
 145     r300->context.screen = screen;
 146     r300->context.priv = priv;
 147
 148     r300->context.destroy = r300_destroy_context;
 149
 150     r300->context.clear = r300_clear;
 151     r300->context.surface_copy = r300_surface_copy;
 152     r300->context.surface_fill = r300_surface_fill;
 153
 154     if (r300screen->caps.has_tcl) {
 155         r300->context.draw_arrays = r300_draw_arrays;
 156         r300->context.draw_elements = r300_draw_elements;
 157         r300->context.draw_range_elements = r300_draw_range_elements;
 158
 159         if (r300screen->caps.is_r500) {
 160             r300->emit_draw_arrays_immediate = r500_emit_draw_arrays_immediate;
 161             r300->emit_draw_arrays = r500_emit_draw_arrays;
 162             r300->emit_draw_elements = r500_emit_draw_elements;
 163         } else {
 164             r300->emit_draw_arrays_immediate = r300_emit_draw_arrays_immediate;
 165             r300->emit_draw_arrays = r300_emit_draw_arrays;
 166             r300->emit_draw_elements = r300_emit_draw_elements;
 167         }
 168     } else {
 169         r300->context.draw_arrays = r300_swtcl_draw_arrays;
 170         r300->context.draw_elements = r300_draw_elements;
 171         r300->context.draw_range_elements = r300_swtcl_draw_range_elements;
 172
 173         /* Create a Draw. This is used for SW TCL. */
 174         r300->draw = draw_create();
 175         /* Enable our renderer. */
 176         draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300));
 177         /* Enable Draw's clipping. */
 178         draw_set_driver_clipping(r300->draw, FALSE);
 179         /* Force Draw to never do viewport transform, since we can do
 180          * transform in hardware, always. */
 181         draw_set_viewport_state(r300->draw, &r300_viewport_identity);
 182     }
 183
 184     r300_setup_atoms(r300);
 185
 186     /* Open up the OQ BO. */
 187     r300->oqbo = pipe_buffer_create(screen,
 188                                     R300_BIND_OQBO, 4096);
 189     make_empty_list(&r300->query_list);
 190
 191     r300_init_flush_functions(r300);
 192     r300_init_query_functions(r300);
 193     r300_init_state_functions(r300);
 194     r300_init_resource_functions(r300);
 195
 196     r300->invariant_state.dirty = TRUE;
 197
 198     rws->set_flush_cb(r300->rws, r300_flush_cb, r300);
 199     r300->dirty_hw++;
 200
 201     r300->blitter = util_blitter_create(&r300->context);
 202
 203     r300->upload_ib = u_upload_create(&r300->context,
 204                                       32 * 1024, 16,
 205                                       PIPE_BIND_INDEX_BUFFER);
 206
 207     if (r300->upload_ib == NULL)
 208         goto no_upload_ib;
 209
 210     r300->upload_vb = u_upload_create(&r300->context,
 211                                       128 * 1024, 16,
 212                                       PIPE_BIND_VERTEX_BUFFER);
 213     if (r300->upload_vb == NULL)
 214         goto no_upload_vb;
 215
 216     return &r300->context;
 217
 218  no_upload_ib:
 219     u_upload_destroy(r300->upload_ib);
 220  no_upload_vb:
 221     FREE(r300);
 222     return NULL;
 223 }