src/gallium/drivers/svga/svga_state_tss.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "util/u_inlines.h"
  27 #include "pipe/p_defines.h"
  28 #include "util/u_math.h"
  29
  30 #include "svga_sampler_view.h"
  31 #include "svga_winsys.h"
  32 #include "svga_context.h"
  33 #include "svga_state.h"
  34 #include "svga_cmd.h"
  35
  36
  37 void svga_cleanup_tss_binding(struct svga_context *svga)
  38 {
  39    int i;
  40    unsigned count = MAX2( svga->curr.num_sampler_views,
  41                           svga->state.hw_draw.num_views );
  42
  43    for (i = 0; i < count; i++) {
  44       struct svga_hw_view_state *view = &svga->state.hw_draw.views[i];
  45
  46       svga_sampler_view_reference(&view->v, NULL);
  47       pipe_sampler_view_reference( &svga->curr.sampler_views[i], NULL );
  48       pipe_resource_reference( &view->texture, NULL );
  49
  50       view->dirty = 1;
  51    }
  52 }
  53
  54
  55 static int
  56 update_tss_binding(struct svga_context *svga,
  57                    unsigned dirty )
  58 {
  59    boolean reemit = !!(dirty & SVGA_NEW_COMMAND_BUFFER);
  60    unsigned i;
  61    unsigned count = MAX2( svga->curr.num_sampler_views,
  62                           svga->state.hw_draw.num_views );
  63    unsigned min_lod;
  64    unsigned max_lod;
  65
  66
  67    struct {
  68       struct {
  69          unsigned unit;
  70          struct svga_hw_view_state *view;
  71       } bind[PIPE_MAX_SAMPLERS];
  72
  73       unsigned bind_count;
  74    } queue;
  75
  76    queue.bind_count = 0;
  77
  78    for (i = 0; i < count; i++) {
  79       const struct svga_sampler_state *s = svga->curr.sampler[i];
  80       struct svga_hw_view_state *view = &svga->state.hw_draw.views[i];
  81       struct pipe_resource *texture = NULL;
  82
  83       /* get min max lod */
  84       if (svga->curr.sampler_views[i]) {
  85          min_lod = MAX2(s->view_min_lod, 0);
  86          max_lod = MIN2(s->view_max_lod, svga->curr.sampler_views[i]->texture->last_level);
  87          texture = svga->curr.sampler_views[i]->texture;
  88       } else {
  89          min_lod = 0;
  90          max_lod = 0;
  91       }
  92
  93       if (view->texture != texture ||
  94           view->min_lod != min_lod ||
  95           view->max_lod != max_lod) {
  96
  97          svga_sampler_view_reference(&view->v, NULL);
  98          pipe_resource_reference( &view->texture, texture );
  99
 100          view->dirty = TRUE;
 101          view->min_lod = min_lod;
 102          view->max_lod = max_lod;
 103
 104          if (texture)
 105             view->v = svga_get_tex_sampler_view(&svga->pipe,
 106                                                 texture,
 107                                                 min_lod,
 108                                                 max_lod);
 109       }
 110
 111       /*
 112        * We need to reemit non-null texture bindings, even when they are not
 113        * dirty, to ensure that the resources are paged in.
 114        */
 115
 116       if (view->dirty ||
 117           (reemit && view->v)) {
 118          queue.bind[queue.bind_count].unit = i;
 119          queue.bind[queue.bind_count].view = view;
 120          queue.bind_count++;
 121       }
 122       if (!view->dirty && view->v) {
 123          svga_validate_sampler_view(svga, view->v);
 124       }
 125    }
 126
 127    svga->state.hw_draw.num_views = svga->curr.num_sampler_views;
 128
 129    if (queue.bind_count) {
 130       SVGA3dTextureState *ts;
 131
 132       if (SVGA3D_BeginSetTextureState( svga->swc,
 133                                        &ts,
 134                                        queue.bind_count ) != PIPE_OK)
 135          goto fail;
 136
 137       for (i = 0; i < queue.bind_count; i++) {
 138          struct svga_winsys_surface *handle;
 139
 140          ts[i].stage = queue.bind[i].unit;
 141          ts[i].name = SVGA3D_TS_BIND_TEXTURE;
 142
 143          if (queue.bind[i].view->v) {
 144             handle = queue.bind[i].view->v->handle;
 145          }
 146          else {
 147             handle = NULL;
 148          }
 149          svga->swc->surface_relocation(svga->swc,
 150                                        &ts[i].value,
 151                                        handle,
 152                                        SVGA_RELOC_READ);
 153
 154          queue.bind[i].view->dirty = FALSE;
 155       }
 156
 157       SVGA_FIFOCommitAll( svga->swc );
 158    }
 159
 160    return 0;
 161
 162 fail:
 163    return PIPE_ERROR_OUT_OF_MEMORY;
 164 }
 165
 166
 167 struct svga_tracked_state svga_hw_tss_binding = {
 168    "texture binding emit",
 169    SVGA_NEW_TEXTURE_BINDING |
 170    SVGA_NEW_SAMPLER |
 171    SVGA_NEW_COMMAND_BUFFER,
 172    update_tss_binding
 173 };
 174
 175
 176 /***********************************************************************
 177  */
 178
 179 struct ts_queue {
 180    unsigned ts_count;
 181    SVGA3dTextureState ts[PIPE_MAX_SAMPLERS*SVGA3D_TS_MAX];
 182 };
 183
 184
 185 #define EMIT_TS(svga, unit, val, token, fail)                           \
 186 do {                                                                    \
 187    if (svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] != val) {        \
 188       svga_queue_tss( &queue, unit, SVGA3D_TS_##token, val );           \
 189       svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] = val;            \
 190    }                                                                    \
 191 } while (0)
 192
 193 #define EMIT_TS_FLOAT(svga, unit, fvalue, token, fail)                  \
 194 do {                                                                    \
 195    unsigned val = fui(fvalue);                                          \
 196    if (svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] != val) {        \
 197       svga_queue_tss( &queue, unit, SVGA3D_TS_##token, val );           \
 198       svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] = val;            \
 199    }                                                                    \
 200 } while (0)
 201
 202
 203 static INLINE void
 204 svga_queue_tss( struct ts_queue *q,
 205                 unsigned unit,
 206                 unsigned tss,
 207                 unsigned value )
 208 {
 209    assert(q->ts_count < sizeof(q->ts)/sizeof(q->ts[0]));
 210    q->ts[q->ts_count].stage = unit;
 211    q->ts[q->ts_count].name = tss;
 212    q->ts[q->ts_count].value = value;
 213    q->ts_count++;
 214 }
 215
 216
 217 static int
 218 update_tss(struct svga_context *svga,
 219            unsigned dirty )
 220 {
 221    unsigned i;
 222    struct ts_queue queue;
 223
 224    queue.ts_count = 0;
 225    for (i = 0; i < svga->curr.num_samplers; i++) {
 226       if (svga->curr.sampler[i]) {
 227          const struct svga_sampler_state *curr = svga->curr.sampler[i];
 228
 229          EMIT_TS(svga, i, curr->mipfilter, MIPFILTER, fail);
 230          EMIT_TS(svga, i, curr->min_lod, TEXTURE_MIPMAP_LEVEL, fail);
 231          EMIT_TS(svga, i, curr->magfilter, MAGFILTER, fail);
 232          EMIT_TS(svga, i, curr->minfilter, MINFILTER, fail);
 233          EMIT_TS(svga, i, curr->aniso_level, TEXTURE_ANISOTROPIC_LEVEL, fail);
 234          EMIT_TS_FLOAT(svga, i, curr->lod_bias, TEXTURE_LOD_BIAS, fail);
 235          EMIT_TS(svga, i, curr->addressu, ADDRESSU, fail);
 236          EMIT_TS(svga, i, curr->addressw, ADDRESSW, fail);
 237          EMIT_TS(svga, i, curr->bordercolor, BORDERCOLOR, fail);
 238          // TEXCOORDINDEX -- hopefully not needed
 239
 240          if (svga->curr.tex_flags.flag_1d & (1 << i)) {
 241             debug_printf("wrap 1d tex %d\n", i);
 242             EMIT_TS(svga, i, SVGA3D_TEX_ADDRESS_WRAP, ADDRESSV, fail);
 243          }
 244          else
 245             EMIT_TS(svga, i, curr->addressv, ADDRESSV, fail);
 246
 247          if (svga->curr.tex_flags.flag_srgb & (1 << i))
 248             EMIT_TS_FLOAT(svga, i, 2.2f, GAMMA, fail);
 249          else
 250             EMIT_TS_FLOAT(svga, i, 1.0f, GAMMA, fail);
 251
 252       }
 253    }
 254
 255    if (queue.ts_count) {
 256       SVGA3dTextureState *ts;
 257
 258       if (SVGA3D_BeginSetTextureState( svga->swc,
 259                                        &ts,
 260                                        queue.ts_count ) != PIPE_OK)
 261          goto fail;
 262
 263       memcpy( ts,
 264               queue.ts,
 265               queue.ts_count * sizeof queue.ts[0]);
 266
 267       SVGA_FIFOCommitAll( svga->swc );
 268    }
 269
 270    return 0;
 271
 272 fail:
 273    /* XXX: need to poison cached hardware state on failure to ensure
 274     * dirty state gets re-emitted.  Fix this by re-instating partial
 275     * FIFOCommit command and only updating cached hw state once the
 276     * initial allocation has succeeded.
 277     */
 278    memset(svga->state.hw_draw.ts, 0xcd, sizeof(svga->state.hw_draw.ts));
 279
 280    return PIPE_ERROR_OUT_OF_MEMORY;
 281 }
 282
 283
 284 struct svga_tracked_state svga_hw_tss = {
 285    "texture state emit",
 286    (SVGA_NEW_SAMPLER |
 287     SVGA_NEW_TEXTURE_FLAGS),
 288    update_tss
 289 };
 290