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_sampler_textures(struct pipe_context *pipe,
 261                           unsigned num, struct pipe_texture **texture)
 262 {
 263    struct cell_context *cell = cell_context(pipe);
 264    uint i, changed = 0x0;
 265
 266    assert(num <= CELL_MAX_SAMPLERS);
 267
 268    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 269       struct cell_texture *new_tex = cell_texture(i < num ? texture[i] : NULL);
 270       struct cell_texture *old_tex = cell->texture[i];
 271       if (old_tex != new_tex) {
 272
 273          pipe_texture_reference((struct pipe_texture **) &cell->texture[i],
 274                                 (struct pipe_texture *) new_tex);
 275
 276          changed |= (1 << i);
 277       }
 278    }
 279
 280    cell->num_textures = num;
 281
 282    if (changed) {
 283       cell->dirty |= CELL_NEW_TEXTURE;
 284       cell->dirty_textures |= changed;
 285    }
 286 }
 287
 288
 289 /**
 290  * Map color and z/stencil framebuffer surfaces.
 291  */
 292 static void
 293 cell_map_surfaces(struct cell_context *cell)
 294 {
 295    struct pipe_screen *screen = cell->pipe.screen;
 296    uint i;
 297
 298    for (i = 0; i < 1; i++) {
 299       struct pipe_surface *ps = cell->framebuffer.cbufs[i];
 300       if (ps) {
 301          struct cell_texture *ct = cell_texture(ps->texture);
 302          cell->cbuf_map[i] = screen->buffer_map(screen,
 303                                                 ct->buffer,
 304                                                 (PIPE_BUFFER_USAGE_GPU_READ |
 305                                                  PIPE_BUFFER_USAGE_GPU_WRITE));
 306       }
 307    }
 308
 309    {
 310       struct pipe_surface *ps = cell->framebuffer.zsbuf;
 311       if (ps) {
 312          struct cell_texture *ct = cell_texture(ps->texture);
 313          cell->zsbuf_map = screen->buffer_map(screen,
 314                                               ct->buffer,
 315                                               (PIPE_BUFFER_USAGE_GPU_READ |
 316                                                PIPE_BUFFER_USAGE_GPU_WRITE));
 317       }
 318    }
 319 }
 320
 321
 322 /**
 323  * Unmap color and z/stencil framebuffer surfaces.
 324  */
 325 static void
 326 cell_unmap_surfaces(struct cell_context *cell)
 327 {
 328    struct pipe_screen *screen = cell->pipe.screen;
 329    uint i;
 330
 331    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 332       struct pipe_surface *ps = cell->framebuffer.cbufs[i];
 333       if (ps && cell->cbuf_map[i]) {
 334          struct cell_texture *ct = cell_texture(ps->texture);
 335          assert(ps->texture);
 336          assert(ct->buffer);
 337
 338          screen->buffer_unmap(screen, ct->buffer);
 339          cell->cbuf_map[i] = NULL;
 340       }
 341    }
 342
 343    {
 344       struct pipe_surface *ps = cell->framebuffer.zsbuf;
 345       if (ps && cell->zsbuf_map) {
 346          struct cell_texture *ct = cell_texture(ps->texture);
 347          screen->buffer_unmap(screen, ct->buffer);
 348          cell->zsbuf_map = NULL;
 349       }
 350    }
 351 }
 352
 353
 354 static void
 355 cell_set_framebuffer_state(struct pipe_context *pipe,
 356                            const struct pipe_framebuffer_state *fb)
 357 {
 358    struct cell_context *cell = cell_context(pipe);
 359
 360    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 361       uint i;
 362
 363       /* unmap old surfaces */
 364       cell_unmap_surfaces(cell);
 365
 366       /* Finish any pending rendering to the current surface before
 367        * installing a new surface!
 368        */
 369       cell_flush_int(cell, CELL_FLUSH_WAIT);
 370
 371       /* update my state
 372        * (this is also where old surfaces will finally get freed)
 373        */
 374       cell->framebuffer.width = fb->width;
 375       cell->framebuffer.height = fb->height;
 376       cell->framebuffer.nr_cbufs = fb->nr_cbufs;
 377       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 378          pipe_surface_reference(&cell->framebuffer.cbufs[i], fb->cbufs[i]);
 379       }
 380       pipe_surface_reference(&cell->framebuffer.zsbuf, fb->zsbuf);
 381
 382       /* map new surfaces */
 383       cell_map_surfaces(cell);
 384
 385       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 386    }
 387 }
 388
 389
 390
 391 void
 392 cell_init_state_functions(struct cell_context *cell)
 393 {
 394    cell->pipe.create_blend_state = cell_create_blend_state;
 395    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 396    cell->pipe.delete_blend_state = cell_delete_blend_state;
 397
 398    cell->pipe.create_sampler_state = cell_create_sampler_state;
 399    cell->pipe.bind_fragment_sampler_states = cell_bind_sampler_states;
 400    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 401
 402    cell->pipe.set_fragment_sampler_textures = cell_set_sampler_textures;
 403
 404    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 405    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 406    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 407
 408    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 409    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 410    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 411
 412    cell->pipe.set_blend_color = cell_set_blend_color;
 413    cell->pipe.set_stencil_ref = cell_set_stencil_ref;
 414    cell->pipe.set_clip_state = cell_set_clip_state;
 415
 416    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 417
 418    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 419    cell->pipe.set_scissor_state = cell_set_scissor_state;
 420    cell->pipe.set_viewport_state = cell_set_viewport_state;
 421 }