src/gallium/drivers/cell/ppu/cell_pipe_state.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /* Authors:
  29  *  Keith Whitwell <keith@tungstengraphics.com>
  30  *  Brian Paul
  31  */
  32
  33 #include "util/u_memory.h"
  34 #include "util/u_inlines.h"
  35 #include "draw/draw_context.h"
  36 #include "cell_context.h"
  37 #include "cell_flush.h"
  38 #include "cell_pipe_state.h"
  39 #include "cell_state.h"
  40 #include "cell_texture.h"
  41
  42
  43
  44 static void *
  45 cell_create_blend_state(struct pipe_context *pipe,
  46                         const struct pipe_blend_state *blend)
  47 {
  48    return mem_dup(blend, sizeof(*blend));
  49 }
  50
  51
  52 static void
  53 cell_bind_blend_state(struct pipe_context *pipe, void *blend)
  54 {
  55    struct cell_context *cell = cell_context(pipe);
  56
  57    draw_flush(cell->draw);
  58
  59    cell->blend = (struct pipe_blend_state *) blend;
  60    cell->dirty |= CELL_NEW_BLEND;
  61 }
  62
  63
  64 static void
  65 cell_delete_blend_state(struct pipe_context *pipe, void *blend)
  66 {
  67    FREE(blend);
  68 }
  69
  70
  71 static void
  72 cell_set_blend_color(struct pipe_context *pipe,
  73                      const struct pipe_blend_color *blend_color)
  74 {
  75    struct cell_context *cell = cell_context(pipe);
  76
  77    draw_flush(cell->draw);
  78
  79    cell->blend_color = *blend_color;
  80
  81    cell->dirty |= CELL_NEW_BLEND;
  82 }
  83
  84
  85
  86
  87 static void *
  88 cell_create_depth_stencil_alpha_state(struct pipe_context *pipe,
  89                  const struct pipe_depth_stencil_alpha_state *dsa)
  90 {
  91    return mem_dup(dsa, sizeof(*dsa));
  92 }
  93
  94
  95 static void
  96 cell_bind_depth_stencil_alpha_state(struct pipe_context *pipe,
  97                                     void *dsa)
  98 {
  99    struct cell_context *cell = cell_context(pipe);
 100
 101    draw_flush(cell->draw);
 102
 103    cell->depth_stencil = (struct pipe_depth_stencil_alpha_state *) dsa;
 104    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 105 }
 106
 107
 108 static void
 109 cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *dsa)
 110 {
 111    FREE(dsa);
 112 }
 113
 114
 115 static void
 116 cell_set_stencil_ref(struct pipe_context *pipe,
 117                      const struct pipe_stencil_ref *stencil_ref)
 118 {
 119    struct cell_context *cell = cell_context(pipe);
 120
 121    draw_flush(cell->draw);
 122
 123    cell->stencil_ref = *stencil_ref;
 124
 125    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 126 }
 127
 128 static void
 129 cell_set_clip_state(struct pipe_context *pipe,
 130                     const struct pipe_clip_state *clip)
 131 {
 132    struct cell_context *cell = cell_context(pipe);
 133
 134    /* pass the clip state to the draw module */
 135    draw_set_clip_state(cell->draw, clip);
 136 }
 137
 138
 139
 140 /* Called when driver state tracker notices changes to the viewport
 141  * matrix:
 142  */
 143 static void
 144 cell_set_viewport_state( struct pipe_context *pipe,
 145                          const struct pipe_viewport_state *viewport )
 146 {
 147    struct cell_context *cell = cell_context(pipe);
 148
 149    cell->viewport = *viewport; /* struct copy */
 150    cell->dirty |= CELL_NEW_VIEWPORT;
 151
 152    /* pass the viewport info to the draw module */
 153    draw_set_viewport_state(cell->draw, viewport);
 154
 155    /* Using tnl/ and vf/ modules is temporary while getting started.
 156     * Full pipe will have vertex shader, vertex fetch of its own.
 157     */
 158 }
 159
 160
 161 static void
 162 cell_set_scissor_state( struct pipe_context *pipe,
 163                         const struct pipe_scissor_state *scissor )
 164 {
 165    struct cell_context *cell = cell_context(pipe);
 166
 167    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 168    cell->dirty |= CELL_NEW_SCISSOR;
 169 }
 170
 171
 172 static void
 173 cell_set_polygon_stipple( struct pipe_context *pipe,
 174                           const struct pipe_poly_stipple *stipple )
 175 {
 176    struct cell_context *cell = cell_context(pipe);
 177
 178    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 179    cell->dirty |= CELL_NEW_STIPPLE;
 180 }
 181
 182
 183
 184 static void *
 185 cell_create_rasterizer_state(struct pipe_context *pipe,
 186                              const struct pipe_rasterizer_state *rasterizer)
 187 {
 188    return mem_dup(rasterizer, sizeof(*rasterizer));
 189 }
 190
 191
 192 static void
 193 cell_bind_rasterizer_state(struct pipe_context *pipe, void *rast)
 194 {
 195    struct pipe_rasterizer_state *rasterizer =
 196       (struct pipe_rasterizer_state *) rast;
 197    struct cell_context *cell = cell_context(pipe);
 198
 199    /* pass-through to draw module */
 200    draw_set_rasterizer_state(cell->draw, rasterizer);
 201
 202    cell->rasterizer = rasterizer;
 203
 204    cell->dirty |= CELL_NEW_RASTERIZER;
 205 }
 206
 207
 208 static void
 209 cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
 210 {
 211    FREE(rasterizer);
 212 }
 213
 214
 215
 216 static void *
 217 cell_create_sampler_state(struct pipe_context *pipe,
 218                           const struct pipe_sampler_state *sampler)
 219 {
 220    return mem_dup(sampler, sizeof(*sampler));
 221 }
 222
 223
 224 static void
 225 cell_bind_sampler_states(struct pipe_context *pipe,
 226                          unsigned num, void **samplers)
 227 {
 228    struct cell_context *cell = cell_context(pipe);
 229    uint i, changed = 0x0;
 230
 231    assert(num <= CELL_MAX_SAMPLERS);
 232
 233    draw_flush(cell->draw);
 234
 235    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 236       struct pipe_sampler_state *new_samp = i < num ? samplers[i] : NULL;
 237       if (cell->sampler[i] != new_samp) {
 238          cell->sampler[i] = new_samp;
 239          changed |= (1 << i);
 240       }
 241    }
 242
 243    if (changed) {
 244       cell->dirty |= CELL_NEW_SAMPLER;
 245       cell->dirty_samplers |= changed;
 246    }
 247 }
 248
 249
 250 static void
 251 cell_delete_sampler_state(struct pipe_context *pipe,
 252                               void *sampler)
 253 {
 254    FREE( sampler );
 255 }
 256
 257
 258
 259 static void
 260 cell_set_fragment_sampler_views(struct pipe_context *pipe,
 261                                 unsigned num,
 262                                 struct pipe_sampler_view **views)
 263 {
 264    struct cell_context *cell = cell_context(pipe);
 265    uint i, changed = 0x0;
 266
 267    assert(num <= CELL_MAX_SAMPLERS);
 268
 269    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 270       struct pipe_sampler_view *new_view = i < num ? views[i] : NULL;
 271       struct pipe_sampler_view *old_view = cell->fragment_sampler_views[i];
 272
 273       if (old_view != new_view) {
 274          struct pipe_texture *new_tex = new_view ? new_view->texture : NULL;
 275
 276          pipe_sampler_view_reference(&cell->fragment_sampler_views[i],
 277                                      views[i]);
 278          pipe_texture_reference((struct pipe_texture **) &cell->texture[i],
 279                                 (struct pipe_texture *) new_tex);
 280
 281          changed |= (1 << i);
 282       }
 283    }
 284
 285    cell->num_textures = num;
 286
 287    if (changed) {
 288       cell->dirty |= CELL_NEW_TEXTURE;
 289       cell->dirty_textures |= changed;
 290    }
 291 }
 292
 293
 294 static struct pipe_sampler_view *
 295 cell_create_sampler_view(struct pipe_context *pipe,
 296                          struct pipe_texture *texture,
 297                          const struct pipe_sampler_view *templ)
 298 {
 299    struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view);
 300
 301    *view = *templ;
 302    view->reference.count = 1;
 303    view->texture = NULL;
 304    pipe_texture_reference(&view->texture, texture);
 305    view->context = pipe;
 306
 307    return view;
 308 }
 309
 310
 311 static void
 312 cell_sampler_view_destroy(struct pipe_context *pipe,
 313                           struct pipe_sampler_view *view)
 314 {
 315    pipe_texture_reference(&view->texture, NULL);
 316    FREE(view);
 317 }
 318
 319
 320 /**
 321  * Map color and z/stencil framebuffer surfaces.
 322  */
 323 static void
 324 cell_map_surfaces(struct cell_context *cell)
 325 {
 326 #if 0
 327    struct pipe_screen *screen = cell->pipe.screen;
 328 #endif
 329    uint i;
 330
 331    for (i = 0; i < 1; i++) {
 332       struct pipe_surface *ps = cell->framebuffer.cbufs[i];
 333       if (ps) {
 334          struct cell_texture *ct = cell_texture(ps->texture);
 335 #if 0
 336          cell->cbuf_map[i] = screen->buffer_map(screen,
 337                                                 ct->buffer,
 338                                                 (PIPE_BUFFER_USAGE_GPU_READ |
 339                                                  PIPE_BUFFER_USAGE_GPU_WRITE));
 340 #else
 341          cell->cbuf_map[i] = ct->data;
 342 #endif
 343       }
 344    }
 345
 346    {
 347       struct pipe_surface *ps = cell->framebuffer.zsbuf;
 348       if (ps) {
 349          struct cell_texture *ct = cell_texture(ps->texture);
 350 #if 0
 351          cell->zsbuf_map = screen->buffer_map(screen,
 352                                               ct->buffer,
 353                                               (PIPE_BUFFER_USAGE_GPU_READ |
 354                                                PIPE_BUFFER_USAGE_GPU_WRITE));
 355 #else
 356          cell->zsbuf_map = ct->data;
 357 #endif
 358       }
 359    }
 360 }
 361
 362
 363 /**
 364  * Unmap color and z/stencil framebuffer surfaces.
 365  */
 366 static void
 367 cell_unmap_surfaces(struct cell_context *cell)
 368 {
 369    /*struct pipe_screen *screen = cell->pipe.screen;*/
 370    uint i;
 371
 372    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 373       struct pipe_surface *ps = cell->framebuffer.cbufs[i];
 374       if (ps && cell->cbuf_map[i]) {
 375          /*struct cell_texture *ct = cell_texture(ps->texture);*/
 376          assert(ps->texture);
 377          /*assert(ct->buffer);*/
 378
 379          /*screen->buffer_unmap(screen, ct->buffer);*/
 380          cell->cbuf_map[i] = NULL;
 381       }
 382    }
 383
 384    {
 385       struct pipe_surface *ps = cell->framebuffer.zsbuf;
 386       if (ps && cell->zsbuf_map) {
 387          /*struct cell_texture *ct = cell_texture(ps->texture);*/
 388          /*screen->buffer_unmap(screen, ct->buffer);*/
 389          cell->zsbuf_map = NULL;
 390       }
 391    }
 392 }
 393
 394
 395 static void
 396 cell_set_framebuffer_state(struct pipe_context *pipe,
 397                            const struct pipe_framebuffer_state *fb)
 398 {
 399    struct cell_context *cell = cell_context(pipe);
 400
 401    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 402       uint i;
 403
 404       /* unmap old surfaces */
 405       cell_unmap_surfaces(cell);
 406
 407       /* Finish any pending rendering to the current surface before
 408        * installing a new surface!
 409        */
 410       cell_flush_int(cell, CELL_FLUSH_WAIT);
 411
 412       /* update my state
 413        * (this is also where old surfaces will finally get freed)
 414        */
 415       cell->framebuffer.width = fb->width;
 416       cell->framebuffer.height = fb->height;
 417       cell->framebuffer.nr_cbufs = fb->nr_cbufs;
 418       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 419          pipe_surface_reference(&cell->framebuffer.cbufs[i], fb->cbufs[i]);
 420       }
 421       pipe_surface_reference(&cell->framebuffer.zsbuf, fb->zsbuf);
 422
 423       /* map new surfaces */
 424       cell_map_surfaces(cell);
 425
 426       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 427    }
 428 }
 429
 430
 431
 432 void
 433 cell_init_state_functions(struct cell_context *cell)
 434 {
 435    cell->pipe.create_blend_state = cell_create_blend_state;
 436    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 437    cell->pipe.delete_blend_state = cell_delete_blend_state;
 438
 439    cell->pipe.create_sampler_state = cell_create_sampler_state;
 440    cell->pipe.bind_fragment_sampler_states = cell_bind_sampler_states;
 441    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 442
 443    cell->pipe.set_fragment_sampler_views = cell_set_fragment_sampler_views;
 444    cell->pipe.create_sampler_view = cell_create_sampler_view;
 445    cell->pipe.sampler_view_destroy = cell_sampler_view_destroy;
 446
 447    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 448    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 449    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 450
 451    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 452    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 453    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 454
 455    cell->pipe.set_blend_color = cell_set_blend_color;
 456    cell->pipe.set_stencil_ref = cell_set_stencil_ref;
 457    cell->pipe.set_clip_state = cell_set_clip_state;
 458
 459    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 460
 461    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 462    cell->pipe.set_scissor_state = cell_set_scissor_state;
 463    cell->pipe.set_viewport_state = cell_set_viewport_state;
 464 }