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 "pipe/p_util.h"
  34 #include "pipe/p_inlines.h"
  35 #include "draw/draw_context.h"
  36 #include "cell_context.h"
  37 #include "cell_state.h"
  38 #include "cell_texture.h"
  39 #include "cell_state_per_fragment.h"
  40
  41
  42
  43 static void *
  44 cell_create_blend_state(struct pipe_context *pipe,
  45                         const struct pipe_blend_state *blend)
  46 {
  47    struct cell_blend_state *cb = MALLOC(sizeof(struct cell_blend_state));
  48
  49    (void) memcpy(cb, blend, sizeof(*blend));
  50    cell_generate_alpha_blend(cb);
  51
  52    return cb;
  53 }
  54
  55
  56 static void
  57 cell_bind_blend_state(struct pipe_context *pipe, void *state)
  58 {
  59    struct cell_context *cell = cell_context(pipe);
  60
  61    draw_flush(cell->draw);
  62
  63    cell->blend = (struct cell_blend_state *) state;
  64    cell->dirty |= CELL_NEW_BLEND;
  65 }
  66
  67
  68 static void
  69 cell_delete_blend_state(struct pipe_context *pipe, void *blend)
  70 {
  71    struct cell_blend_state *cb = (struct cell_blend_state *) blend;
  72
  73    spe_release_func(& cb->code);
  74    FREE(cb);
  75 }
  76
  77
  78 static void
  79 cell_set_blend_color(struct pipe_context *pipe,
  80                      const struct pipe_blend_color *blend_color)
  81 {
  82    struct cell_context *cell = cell_context(pipe);
  83
  84    draw_flush(cell->draw);
  85
  86    cell->blend_color = *blend_color;
  87
  88    cell->dirty |= CELL_NEW_BLEND;
  89 }
  90
  91
  92
  93
  94 static void *
  95 cell_create_depth_stencil_alpha_state(struct pipe_context *pipe,
  96                  const struct pipe_depth_stencil_alpha_state *depth_stencil)
  97 {
  98    struct cell_depth_stencil_alpha_state *cdsa =
  99        MALLOC(sizeof(struct cell_depth_stencil_alpha_state));
 100
 101    (void) memcpy(cdsa, depth_stencil, sizeof(*depth_stencil));
 102    cell_generate_depth_stencil_test(cdsa);
 103
 104    return cdsa;
 105 }
 106
 107
 108 static void
 109 cell_bind_depth_stencil_alpha_state(struct pipe_context *pipe,
 110                                     void *depth_stencil)
 111 {
 112    struct cell_context *cell = cell_context(pipe);
 113
 114    draw_flush(cell->draw);
 115
 116    cell->depth_stencil =
 117        (struct cell_depth_stencil_alpha_state *) depth_stencil;
 118    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 119 }
 120
 121
 122 static void
 123 cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *depth)
 124 {
 125    struct cell_depth_stencil_alpha_state *cdsa =
 126        (struct cell_depth_stencil_alpha_state *) depth;
 127
 128    spe_release_func(& cdsa->code);
 129    FREE(cdsa);
 130 }
 131
 132
 133 static void cell_set_clip_state( struct pipe_context *pipe,
 134                              const struct pipe_clip_state *clip )
 135 {
 136    struct cell_context *cell = cell_context(pipe);
 137
 138    /* pass the clip state to the draw module */
 139    draw_set_clip_state(cell->draw, clip);
 140 }
 141
 142
 143
 144 /* Called when driver state tracker notices changes to the viewport
 145  * matrix:
 146  */
 147 static void
 148 cell_set_viewport_state( struct pipe_context *pipe,
 149                          const struct pipe_viewport_state *viewport )
 150 {
 151    struct cell_context *cell = cell_context(pipe);
 152
 153    cell->viewport = *viewport; /* struct copy */
 154    cell->dirty |= CELL_NEW_VIEWPORT;
 155
 156    /* pass the viewport info to the draw module */
 157    draw_set_viewport_state(cell->draw, viewport);
 158
 159    /* Using tnl/ and vf/ modules is temporary while getting started.
 160     * Full pipe will have vertex shader, vertex fetch of its own.
 161     */
 162 }
 163
 164
 165 static void
 166 cell_set_scissor_state( struct pipe_context *pipe,
 167                         const struct pipe_scissor_state *scissor )
 168 {
 169    struct cell_context *cell = cell_context(pipe);
 170
 171    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 172    cell->dirty |= CELL_NEW_SCISSOR;
 173 }
 174
 175
 176 static void
 177 cell_set_polygon_stipple( struct pipe_context *pipe,
 178                           const struct pipe_poly_stipple *stipple )
 179 {
 180    struct cell_context *cell = cell_context(pipe);
 181
 182    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 183    cell->dirty |= CELL_NEW_STIPPLE;
 184 }
 185
 186
 187
 188 static void *
 189 cell_create_rasterizer_state(struct pipe_context *pipe,
 190                              const struct pipe_rasterizer_state *setup)
 191 {
 192    struct pipe_rasterizer_state *state
 193       = MALLOC(sizeof(struct pipe_rasterizer_state));
 194    memcpy(state, setup, sizeof(struct pipe_rasterizer_state));
 195    return state;
 196 }
 197
 198
 199 static void
 200 cell_bind_rasterizer_state(struct pipe_context *pipe, void *setup)
 201 {
 202    struct cell_context *cell = cell_context(pipe);
 203
 204    /* pass-through to draw module */
 205    draw_set_rasterizer_state(cell->draw, setup);
 206
 207    cell->rasterizer = (struct pipe_rasterizer_state *)setup;
 208
 209    cell->dirty |= CELL_NEW_RASTERIZER;
 210 }
 211
 212
 213 static void
 214 cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
 215 {
 216    FREE(rasterizer);
 217 }
 218
 219
 220
 221 static void *
 222 cell_create_sampler_state(struct pipe_context *pipe,
 223                           const struct pipe_sampler_state *sampler)
 224 {
 225    return mem_dup(sampler, sizeof(*sampler));
 226 }
 227
 228
 229 static void
 230 cell_bind_sampler_states(struct pipe_context *pipe,
 231                          unsigned num, void **samplers)
 232 {
 233    struct cell_context *cell = cell_context(pipe);
 234
 235    assert(num <= CELL_MAX_SAMPLERS);
 236
 237    draw_flush(cell->draw);
 238
 239    memcpy(cell->sampler, samplers, num * sizeof(void *));
 240    memset(&cell->sampler[num], 0, (CELL_MAX_SAMPLERS - num) *
 241           sizeof(void *));
 242    cell->num_samplers = num;
 243
 244    cell->dirty |= CELL_NEW_SAMPLER;
 245 }
 246
 247
 248 static void
 249 cell_delete_sampler_state(struct pipe_context *pipe,
 250                               void *sampler)
 251 {
 252    FREE( sampler );
 253 }
 254
 255
 256
 257 static void
 258 cell_set_sampler_textures(struct pipe_context *pipe,
 259                           unsigned num, struct pipe_texture **texture)
 260 {
 261    struct cell_context *cell = cell_context(pipe);
 262    uint i;
 263
 264    assert(num <= CELL_MAX_SAMPLERS);
 265
 266    /* Check for no-op */
 267    if (num == cell->num_textures &&
 268        !memcmp(cell->texture, texture, num * sizeof(struct pipe_texture *)))
 269       return;
 270
 271    draw_flush(cell->draw);
 272
 273    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 274       struct pipe_texture *tex = i < num ? texture[i] : NULL;
 275
 276       pipe_texture_reference((struct pipe_texture **) &cell->texture[i], tex);
 277    }
 278    cell->num_textures = num;
 279
 280    cell_update_texture_mapping(cell);
 281
 282    cell->dirty |= CELL_NEW_TEXTURE;
 283 }
 284
 285
 286
 287 static void
 288 cell_set_framebuffer_state(struct pipe_context *pipe,
 289                            const struct pipe_framebuffer_state *fb)
 290 {
 291    struct cell_context *cell = cell_context(pipe);
 292
 293    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 294       struct pipe_surface *csurf = fb->cbufs[0];
 295       struct pipe_surface *zsurf = fb->zsbuf;
 296       uint i;
 297
 298       /* unmap old surfaces */
 299       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 300          if (cell->framebuffer.cbufs[i] && cell->cbuf_map[i]) {
 301             pipe_surface_unmap(cell->framebuffer.cbufs[i]);
 302             cell->cbuf_map[i] = NULL;
 303          }
 304       }
 305
 306       if (cell->framebuffer.zsbuf && cell->zsbuf_map) {
 307          pipe_surface_unmap(cell->framebuffer.zsbuf);
 308          cell->zsbuf_map = NULL;
 309       }
 310
 311       /* update my state */
 312       cell->framebuffer = *fb;
 313
 314       /* map new surfaces */
 315       if (csurf)
 316          cell->cbuf_map[0] = pipe_surface_map(csurf);
 317
 318       if (zsurf)
 319          cell->zsbuf_map = pipe_surface_map(zsurf);
 320
 321       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 322    }
 323 }
 324
 325
 326
 327 void
 328 cell_init_state_functions(struct cell_context *cell)
 329 {
 330    cell->pipe.create_blend_state = cell_create_blend_state;
 331    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 332    cell->pipe.delete_blend_state = cell_delete_blend_state;
 333
 334    cell->pipe.create_sampler_state = cell_create_sampler_state;
 335    cell->pipe.bind_sampler_states = cell_bind_sampler_states;
 336    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 337
 338    cell->pipe.set_sampler_textures = cell_set_sampler_textures;
 339
 340    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 341    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 342    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 343
 344    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 345    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 346    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 347
 348    cell->pipe.set_blend_color = cell_set_blend_color;
 349    cell->pipe.set_clip_state = cell_set_clip_state;
 350
 351    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 352
 353    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 354    cell->pipe.set_scissor_state = cell_set_scissor_state;
 355    cell->pipe.set_viewport_state = cell_set_viewport_state;
 356 }