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 "pipe/p_inlines.h"
  35 #include "draw/draw_context.h"
  36 #include "cell_context.h"
  37 #include "cell_flush.h"
  38 #include "cell_state.h"
  39 #include "cell_texture.h"
  40 #include "cell_state_per_fragment.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    struct cell_blend_state *cb = MALLOC(sizeof(struct cell_blend_state));
  49
  50    (void) memcpy(cb, blend, sizeof(*blend));
  51    cell_generate_alpha_blend(cb);
  52
  53    return cb;
  54 }
  55
  56
  57 static void
  58 cell_bind_blend_state(struct pipe_context *pipe, void *state)
  59 {
  60    struct cell_context *cell = cell_context(pipe);
  61
  62    draw_flush(cell->draw);
  63
  64    cell->blend = (struct cell_blend_state *) state;
  65    cell->dirty |= CELL_NEW_BLEND;
  66 }
  67
  68
  69 static void
  70 cell_delete_blend_state(struct pipe_context *pipe, void *blend)
  71 {
  72    struct cell_blend_state *cb = (struct cell_blend_state *) blend;
  73
  74    spe_release_func(& cb->code);
  75    FREE(cb);
  76 }
  77
  78
  79 static void
  80 cell_set_blend_color(struct pipe_context *pipe,
  81                      const struct pipe_blend_color *blend_color)
  82 {
  83    struct cell_context *cell = cell_context(pipe);
  84
  85    draw_flush(cell->draw);
  86
  87    cell->blend_color = *blend_color;
  88
  89    cell->dirty |= CELL_NEW_BLEND;
  90 }
  91
  92
  93
  94
  95 static void *
  96 cell_create_depth_stencil_alpha_state(struct pipe_context *pipe,
  97                  const struct pipe_depth_stencil_alpha_state *depth_stencil)
  98 {
  99    struct cell_depth_stencil_alpha_state *cdsa =
 100        MALLOC(sizeof(struct cell_depth_stencil_alpha_state));
 101
 102    (void) memcpy(cdsa, depth_stencil, sizeof(*depth_stencil));
 103    cell_generate_depth_stencil_test(cdsa);
 104
 105    return cdsa;
 106 }
 107
 108
 109 static void
 110 cell_bind_depth_stencil_alpha_state(struct pipe_context *pipe,
 111                                     void *depth_stencil)
 112 {
 113    struct cell_context *cell = cell_context(pipe);
 114
 115    draw_flush(cell->draw);
 116
 117    cell->depth_stencil =
 118        (struct cell_depth_stencil_alpha_state *) depth_stencil;
 119    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 120 }
 121
 122
 123 static void
 124 cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *depth)
 125 {
 126    struct cell_depth_stencil_alpha_state *cdsa =
 127        (struct cell_depth_stencil_alpha_state *) depth;
 128
 129    spe_release_func(& cdsa->code);
 130    FREE(cdsa);
 131 }
 132
 133
 134 static void
 135 cell_set_clip_state(struct pipe_context *pipe,
 136                     const struct pipe_clip_state *clip)
 137 {
 138    struct cell_context *cell = cell_context(pipe);
 139
 140    /* pass the clip state to the draw module */
 141    draw_set_clip_state(cell->draw, clip);
 142 }
 143
 144
 145
 146 /* Called when driver state tracker notices changes to the viewport
 147  * matrix:
 148  */
 149 static void
 150 cell_set_viewport_state( struct pipe_context *pipe,
 151                          const struct pipe_viewport_state *viewport )
 152 {
 153    struct cell_context *cell = cell_context(pipe);
 154
 155    cell->viewport = *viewport; /* struct copy */
 156    cell->dirty |= CELL_NEW_VIEWPORT;
 157
 158    /* pass the viewport info to the draw module */
 159    draw_set_viewport_state(cell->draw, viewport);
 160
 161    /* Using tnl/ and vf/ modules is temporary while getting started.
 162     * Full pipe will have vertex shader, vertex fetch of its own.
 163     */
 164 }
 165
 166
 167 static void
 168 cell_set_scissor_state( struct pipe_context *pipe,
 169                         const struct pipe_scissor_state *scissor )
 170 {
 171    struct cell_context *cell = cell_context(pipe);
 172
 173    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 174    cell->dirty |= CELL_NEW_SCISSOR;
 175 }
 176
 177
 178 static void
 179 cell_set_polygon_stipple( struct pipe_context *pipe,
 180                           const struct pipe_poly_stipple *stipple )
 181 {
 182    struct cell_context *cell = cell_context(pipe);
 183
 184    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 185    cell->dirty |= CELL_NEW_STIPPLE;
 186 }
 187
 188
 189
 190 static void *
 191 cell_create_rasterizer_state(struct pipe_context *pipe,
 192                              const struct pipe_rasterizer_state *setup)
 193 {
 194    struct pipe_rasterizer_state *state
 195       = MALLOC(sizeof(struct pipe_rasterizer_state));
 196    memcpy(state, setup, sizeof(struct pipe_rasterizer_state));
 197    return state;
 198 }
 199
 200
 201 static void
 202 cell_bind_rasterizer_state(struct pipe_context *pipe, void *setup)
 203 {
 204    struct cell_context *cell = cell_context(pipe);
 205
 206    /* pass-through to draw module */
 207    draw_set_rasterizer_state(cell->draw, setup);
 208
 209    cell->rasterizer = (struct pipe_rasterizer_state *)setup;
 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
 237    assert(num <= CELL_MAX_SAMPLERS);
 238
 239    draw_flush(cell->draw);
 240
 241    memcpy(cell->sampler, samplers, num * sizeof(void *));
 242    memset(&cell->sampler[num], 0, (CELL_MAX_SAMPLERS - num) *
 243           sizeof(void *));
 244    cell->num_samplers = num;
 245
 246    cell->dirty |= CELL_NEW_SAMPLER;
 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;
 265
 266    assert(num <= CELL_MAX_SAMPLERS);
 267
 268    /* Check for no-op */
 269    if (num == cell->num_textures &&
 270        !memcmp(cell->texture, texture, num * sizeof(struct pipe_texture *)))
 271       return;
 272
 273    draw_flush(cell->draw);
 274
 275    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 276       struct pipe_texture *tex = i < num ? texture[i] : NULL;
 277
 278       pipe_texture_reference((struct pipe_texture **) &cell->texture[i], tex);
 279    }
 280    cell->num_textures = num;
 281
 282    cell_update_texture_mapping(cell);
 283
 284    cell->dirty |= CELL_NEW_TEXTURE;
 285 }
 286
 287
 288
 289 static void
 290 cell_set_framebuffer_state(struct pipe_context *pipe,
 291                            const struct pipe_framebuffer_state *fb)
 292 {
 293    struct cell_context *cell = cell_context(pipe);
 294
 295    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 296       struct pipe_surface *csurf = fb->cbufs[0];
 297       struct pipe_surface *zsurf = fb->zsbuf;
 298       uint i;
 299       uint flags = (PIPE_BUFFER_USAGE_GPU_WRITE |
 300                     PIPE_BUFFER_USAGE_GPU_READ);
 301
 302       /* unmap old surfaces */
 303       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 304          if (cell->framebuffer.cbufs[i] && cell->cbuf_map[i]) {
 305             pipe_surface_unmap(cell->framebuffer.cbufs[i]);
 306             cell->cbuf_map[i] = NULL;
 307          }
 308       }
 309
 310       if (cell->framebuffer.zsbuf && cell->zsbuf_map) {
 311          pipe_surface_unmap(cell->framebuffer.zsbuf);
 312          cell->zsbuf_map = NULL;
 313       }
 314
 315       /* Finish any pending rendering to the current surface before
 316        * installing a new surface!
 317        */
 318       cell_flush_int(cell, CELL_FLUSH_WAIT);
 319
 320       /* update my state
 321        * (this is also where old surfaces will finally get freed)
 322        */
 323       cell->framebuffer.width = fb->width;
 324       cell->framebuffer.height = fb->height;
 325       cell->framebuffer.num_cbufs = fb->num_cbufs;
 326       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 327          pipe_surface_reference(&cell->framebuffer.cbufs[i], fb->cbufs[i]);
 328       }
 329       pipe_surface_reference(&cell->framebuffer.zsbuf, fb->zsbuf);
 330
 331       /* map new surfaces */
 332       if (csurf)
 333          cell->cbuf_map[0] = pipe_surface_map(csurf, flags);
 334
 335       if (zsurf)
 336          cell->zsbuf_map = pipe_surface_map(zsurf, flags);
 337
 338       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 339    }
 340 }
 341
 342
 343
 344 void
 345 cell_init_state_functions(struct cell_context *cell)
 346 {
 347    cell->pipe.create_blend_state = cell_create_blend_state;
 348    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 349    cell->pipe.delete_blend_state = cell_delete_blend_state;
 350
 351    cell->pipe.create_sampler_state = cell_create_sampler_state;
 352    cell->pipe.bind_sampler_states = cell_bind_sampler_states;
 353    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 354
 355    cell->pipe.set_sampler_textures = cell_set_sampler_textures;
 356
 357    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 358    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 359    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 360
 361    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 362    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 363    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 364
 365    cell->pipe.set_blend_color = cell_set_blend_color;
 366    cell->pipe.set_clip_state = cell_set_clip_state;
 367
 368    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 369
 370    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 371    cell->pipe.set_scissor_state = cell_set_scissor_state;
 372    cell->pipe.set_viewport_state = cell_set_viewport_state;
 373 }