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
 129 static void
 130 cell_set_clip_state(struct pipe_context *pipe,
 131                     const struct pipe_clip_state *clip)
 132 {
 133    struct cell_context *cell = cell_context(pipe);
 134
 135    /* pass the clip state to the draw module */
 136    draw_set_clip_state(cell->draw, clip);
 137 }
 138
 139
 140 static void
 141 cell_set_sample_mask(struct pipe_context *pipe,
 142                      unsigned sample_mask)
 143 {
 144 }
 145
 146
 147 /* Called when driver state tracker notices changes to the viewport
 148  * matrix:
 149  */
 150 static void
 151 cell_set_viewport_state( struct pipe_context *pipe,
 152                          const struct pipe_viewport_state *viewport )
 153 {
 154    struct cell_context *cell = cell_context(pipe);
 155
 156    cell->viewport = *viewport; /* struct copy */
 157    cell->dirty |= CELL_NEW_VIEWPORT;
 158
 159    /* pass the viewport info to the draw module */
 160    draw_set_viewport_state(cell->draw, viewport);
 161
 162    /* Using tnl/ and vf/ modules is temporary while getting started.
 163     * Full pipe will have vertex shader, vertex fetch of its own.
 164     */
 165 }
 166
 167
 168 static void
 169 cell_set_scissor_state( struct pipe_context *pipe,
 170                         const struct pipe_scissor_state *scissor )
 171 {
 172    struct cell_context *cell = cell_context(pipe);
 173
 174    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 175    cell->dirty |= CELL_NEW_SCISSOR;
 176 }
 177
 178
 179 static void
 180 cell_set_polygon_stipple( struct pipe_context *pipe,
 181                           const struct pipe_poly_stipple *stipple )
 182 {
 183    struct cell_context *cell = cell_context(pipe);
 184
 185    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 186    cell->dirty |= CELL_NEW_STIPPLE;
 187 }
 188
 189
 190
 191 static void *
 192 cell_create_rasterizer_state(struct pipe_context *pipe,
 193                              const struct pipe_rasterizer_state *rasterizer)
 194 {
 195    return mem_dup(rasterizer, sizeof(*rasterizer));
 196 }
 197
 198
 199 static void
 200 cell_bind_rasterizer_state(struct pipe_context *pipe, void *rast)
 201 {
 202    struct pipe_rasterizer_state *rasterizer =
 203       (struct pipe_rasterizer_state *) rast;
 204    struct cell_context *cell = cell_context(pipe);
 205
 206    /* pass-through to draw module */
 207    draw_set_rasterizer_state(cell->draw, rasterizer, rast);
 208
 209    cell->rasterizer = rasterizer;
 210
 211    cell->dirty |= CELL_NEW_RASTERIZER;
 212 }
 213
 214
 215 static void
 216 cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
 217 {
 218    FREE(rasterizer);
 219 }
 220
 221
 222
 223 static void *
 224 cell_create_sampler_state(struct pipe_context *pipe,
 225                           const struct pipe_sampler_state *sampler)
 226 {
 227    return mem_dup(sampler, sizeof(*sampler));
 228 }
 229
 230
 231 static void
 232 cell_bind_sampler_states(struct pipe_context *pipe,
 233                          unsigned num, void **samplers)
 234 {
 235    struct cell_context *cell = cell_context(pipe);
 236    uint i, changed = 0x0;
 237
 238    assert(num <= CELL_MAX_SAMPLERS);
 239
 240    draw_flush(cell->draw);
 241
 242    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 243       struct pipe_sampler_state *new_samp = i < num ? samplers[i] : NULL;
 244       if (cell->sampler[i] != new_samp) {
 245          cell->sampler[i] = new_samp;
 246          changed |= (1 << i);
 247       }
 248    }
 249
 250    if (changed) {
 251       cell->dirty |= CELL_NEW_SAMPLER;
 252       cell->dirty_samplers |= changed;
 253    }
 254 }
 255
 256
 257 static void
 258 cell_delete_sampler_state(struct pipe_context *pipe,
 259                               void *sampler)
 260 {
 261    FREE( sampler );
 262 }
 263
 264
 265
 266 static void
 267 cell_set_fragment_sampler_views(struct pipe_context *pipe,
 268                                 unsigned num,
 269                                 struct pipe_sampler_view **views)
 270 {
 271    struct cell_context *cell = cell_context(pipe);
 272    uint i, changed = 0x0;
 273
 274    assert(num <= CELL_MAX_SAMPLERS);
 275
 276    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 277       struct pipe_sampler_view *new_view = i < num ? views[i] : NULL;
 278       struct pipe_sampler_view *old_view = cell->fragment_sampler_views[i];
 279
 280       if (old_view != new_view) {
 281          struct pipe_resource *new_tex = new_view ? new_view->texture : NULL;
 282
 283          pipe_sampler_view_reference(&cell->fragment_sampler_views[i],
 284                                      new_view);
 285          pipe_resource_reference((struct pipe_resource **) &cell->texture[i],
 286                                 (struct pipe_resource *) new_tex);
 287
 288          changed |= (1 << i);
 289       }
 290    }
 291
 292    cell->num_textures = num;
 293
 294    if (changed) {
 295       cell->dirty |= CELL_NEW_TEXTURE;
 296       cell->dirty_textures |= changed;
 297    }
 298 }
 299
 300
 301 static struct pipe_sampler_view *
 302 cell_create_sampler_view(struct pipe_context *pipe,
 303                          struct pipe_resource *texture,
 304                          const struct pipe_sampler_view *templ)
 305 {
 306    struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view);
 307
 308    if (view) {
 309       *view = *templ;
 310       view->reference.count = 1;
 311       view->texture = NULL;
 312       pipe_resource_reference(&view->texture, texture);
 313       view->context = pipe;
 314    }
 315
 316    return view;
 317 }
 318
 319
 320 static void
 321 cell_sampler_view_destroy(struct pipe_context *pipe,
 322                           struct pipe_sampler_view *view)
 323 {
 324    pipe_resource_reference(&view->texture, NULL);
 325    FREE(view);
 326 }
 327
 328
 329 /**
 330  * Map color and z/stencil framebuffer surfaces.
 331  */
 332 static void
 333 cell_map_surfaces(struct cell_context *cell)
 334 {
 335 #if 0
 336    struct pipe_screen *screen = cell->pipe.screen;
 337 #endif
 338    uint i;
 339
 340    for (i = 0; i < 1; i++) {
 341       struct pipe_surface *ps = cell->framebuffer.cbufs[i];
 342       if (ps) {
 343          struct cell_resource *ct = cell_resource(ps->texture);
 344 #if 0
 345          cell->cbuf_map[i] = screen->buffer_map(screen,
 346                                                 ct->buffer,
 347                                                 (PIPE_BUFFER_USAGE_GPU_READ |
 348                                                  PIPE_BUFFER_USAGE_GPU_WRITE));
 349 #else
 350          cell->cbuf_map[i] = ct->data;
 351 #endif
 352       }
 353    }
 354
 355    {
 356       struct pipe_surface *ps = cell->framebuffer.zsbuf;
 357       if (ps) {
 358          struct cell_resource *ct = cell_resource(ps->texture);
 359 #if 0
 360          cell->zsbuf_map = screen->buffer_map(screen,
 361                                               ct->buffer,
 362                                               (PIPE_BUFFER_USAGE_GPU_READ |
 363                                                PIPE_BUFFER_USAGE_GPU_WRITE));
 364 #else
 365          cell->zsbuf_map = ct->data;
 366 #endif
 367       }
 368    }
 369 }
 370
 371
 372 /**
 373  * Unmap color and z/stencil framebuffer surfaces.
 374  */
 375 static void
 376 cell_unmap_surfaces(struct cell_context *cell)
 377 {
 378    /*struct pipe_screen *screen = cell->pipe.screen;*/
 379    uint i;
 380
 381    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 382       struct pipe_surface *ps = cell->framebuffer.cbufs[i];
 383       if (ps && cell->cbuf_map[i]) {
 384          /*struct cell_resource *ct = cell_resource(ps->texture);*/
 385          assert(ps->texture);
 386          /*assert(ct->buffer);*/
 387
 388          /*screen->buffer_unmap(screen, ct->buffer);*/
 389          cell->cbuf_map[i] = NULL;
 390       }
 391    }
 392
 393    {
 394       struct pipe_surface *ps = cell->framebuffer.zsbuf;
 395       if (ps && cell->zsbuf_map) {
 396          /*struct cell_resource *ct = cell_resource(ps->texture);*/
 397          /*screen->buffer_unmap(screen, ct->buffer);*/
 398          cell->zsbuf_map = NULL;
 399       }
 400    }
 401 }
 402
 403
 404 static void
 405 cell_set_framebuffer_state(struct pipe_context *pipe,
 406                            const struct pipe_framebuffer_state *fb)
 407 {
 408    struct cell_context *cell = cell_context(pipe);
 409
 410    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 411       uint i;
 412
 413       /* unmap old surfaces */
 414       cell_unmap_surfaces(cell);
 415
 416       /* Finish any pending rendering to the current surface before
 417        * installing a new surface!
 418        */
 419       cell_flush_int(cell, CELL_FLUSH_WAIT);
 420
 421       /* update my state
 422        * (this is also where old surfaces will finally get freed)
 423        */
 424       cell->framebuffer.width = fb->width;
 425       cell->framebuffer.height = fb->height;
 426       cell->framebuffer.nr_cbufs = fb->nr_cbufs;
 427       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 428          pipe_surface_reference(&cell->framebuffer.cbufs[i], fb->cbufs[i]);
 429       }
 430       pipe_surface_reference(&cell->framebuffer.zsbuf, fb->zsbuf);
 431
 432       /* map new surfaces */
 433       cell_map_surfaces(cell);
 434
 435       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 436    }
 437 }
 438
 439
 440 void
 441 cell_init_state_functions(struct cell_context *cell)
 442 {
 443    cell->pipe.create_blend_state = cell_create_blend_state;
 444    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 445    cell->pipe.delete_blend_state = cell_delete_blend_state;
 446
 447    cell->pipe.create_sampler_state = cell_create_sampler_state;
 448    cell->pipe.bind_fragment_sampler_states = cell_bind_sampler_states;
 449    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 450
 451    cell->pipe.set_fragment_sampler_views = cell_set_fragment_sampler_views;
 452    cell->pipe.create_sampler_view = cell_create_sampler_view;
 453    cell->pipe.sampler_view_destroy = cell_sampler_view_destroy;
 454
 455    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 456    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 457    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 458
 459    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 460    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 461    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 462
 463    cell->pipe.set_blend_color = cell_set_blend_color;
 464    cell->pipe.set_stencil_ref = cell_set_stencil_ref;
 465    cell->pipe.set_clip_state = cell_set_clip_state;
 466    cell->pipe.set_sample_mask = cell_set_sample_mask;
 467
 468    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 469
 470    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 471    cell->pipe.set_scissor_state = cell_set_scissor_state;
 472    cell->pipe.set_viewport_state = cell_set_viewport_state;
 473 }