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    cb->code.store = NULL;
  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    struct cell_blend_state *blend = (struct cell_blend_state *) state;
  61
  62
  63    draw_flush(cell->draw);
  64
  65    if ((blend != NULL) && (blend->code.store == NULL)) {
  66       cell_generate_depth_stencil_test(blend);
  67    }
  68
  69    cell->blend = blend;
  70    cell->dirty |= CELL_NEW_BLEND;
  71 }
  72
  73
  74 static void
  75 cell_delete_blend_state(struct pipe_context *pipe, void *blend)
  76 {
  77    struct cell_blend_state *cb = (struct cell_blend_state *) blend;
  78
  79    spe_release_func(& cb->code);
  80    FREE(cb);
  81 }
  82
  83
  84 static void
  85 cell_set_blend_color(struct pipe_context *pipe,
  86                      const struct pipe_blend_color *blend_color)
  87 {
  88    struct cell_context *cell = cell_context(pipe);
  89
  90    draw_flush(cell->draw);
  91
  92    cell->blend_color = *blend_color;
  93
  94    cell->dirty |= CELL_NEW_BLEND;
  95 }
  96
  97
  98
  99
 100 static void *
 101 cell_create_depth_stencil_alpha_state(struct pipe_context *pipe,
 102                  const struct pipe_depth_stencil_alpha_state *depth_stencil)
 103 {
 104    struct cell_depth_stencil_alpha_state *cdsa =
 105        MALLOC(sizeof(struct cell_depth_stencil_alpha_state));
 106
 107    (void) memcpy(cdsa, depth_stencil, sizeof(*depth_stencil));
 108    cdsa->code.store = NULL;
 109
 110    return cdsa;
 111 }
 112
 113
 114 static void
 115 cell_bind_depth_stencil_alpha_state(struct pipe_context *pipe,
 116                                     void *depth_stencil)
 117 {
 118    struct cell_context *cell = cell_context(pipe);
 119    struct cell_depth_stencil_alpha_state *cdsa =
 120        (struct cell_depth_stencil_alpha_state *) depth_stencil;
 121
 122    draw_flush(cell->draw);
 123
 124    if ((cdsa != NULL) && (cdsa->code.store == NULL)) {
 125       cell_generate_depth_stencil_test(cdsa);
 126    }
 127
 128    cell->depth_stencil = cdsa;
 129    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 130 }
 131
 132
 133 static void
 134 cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *depth)
 135 {
 136    struct cell_depth_stencil_alpha_state *cdsa =
 137        (struct cell_depth_stencil_alpha_state *) depth;
 138
 139    spe_release_func(& cdsa->code);
 140    FREE(cdsa);
 141 }
 142
 143
 144 static void cell_set_clip_state( struct pipe_context *pipe,
 145                              const struct pipe_clip_state *clip )
 146 {
 147    struct cell_context *cell = cell_context(pipe);
 148
 149    /* pass the clip state to the draw module */
 150    draw_set_clip_state(cell->draw, clip);
 151 }
 152
 153
 154
 155 /* Called when driver state tracker notices changes to the viewport
 156  * matrix:
 157  */
 158 static void
 159 cell_set_viewport_state( struct pipe_context *pipe,
 160                          const struct pipe_viewport_state *viewport )
 161 {
 162    struct cell_context *cell = cell_context(pipe);
 163
 164    cell->viewport = *viewport; /* struct copy */
 165    cell->dirty |= CELL_NEW_VIEWPORT;
 166
 167    /* pass the viewport info to the draw module */
 168    draw_set_viewport_state(cell->draw, viewport);
 169
 170    /* Using tnl/ and vf/ modules is temporary while getting started.
 171     * Full pipe will have vertex shader, vertex fetch of its own.
 172     */
 173 }
 174
 175
 176 static void
 177 cell_set_scissor_state( struct pipe_context *pipe,
 178                         const struct pipe_scissor_state *scissor )
 179 {
 180    struct cell_context *cell = cell_context(pipe);
 181
 182    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 183    cell->dirty |= CELL_NEW_SCISSOR;
 184 }
 185
 186
 187 static void
 188 cell_set_polygon_stipple( struct pipe_context *pipe,
 189                           const struct pipe_poly_stipple *stipple )
 190 {
 191    struct cell_context *cell = cell_context(pipe);
 192
 193    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 194    cell->dirty |= CELL_NEW_STIPPLE;
 195 }
 196
 197
 198
 199 static void *
 200 cell_create_rasterizer_state(struct pipe_context *pipe,
 201                              const struct pipe_rasterizer_state *setup)
 202 {
 203    struct pipe_rasterizer_state *state
 204       = MALLOC(sizeof(struct pipe_rasterizer_state));
 205    memcpy(state, setup, sizeof(struct pipe_rasterizer_state));
 206    return state;
 207 }
 208
 209
 210 static void
 211 cell_bind_rasterizer_state(struct pipe_context *pipe, void *setup)
 212 {
 213    struct cell_context *cell = cell_context(pipe);
 214
 215    /* pass-through to draw module */
 216    draw_set_rasterizer_state(cell->draw, setup);
 217
 218    cell->rasterizer = (struct pipe_rasterizer_state *)setup;
 219
 220    cell->dirty |= CELL_NEW_RASTERIZER;
 221 }
 222
 223
 224 static void
 225 cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
 226 {
 227    FREE(rasterizer);
 228 }
 229
 230
 231
 232 static void *
 233 cell_create_sampler_state(struct pipe_context *pipe,
 234                           const struct pipe_sampler_state *sampler)
 235 {
 236    return mem_dup(sampler, sizeof(*sampler));
 237 }
 238
 239
 240 static void
 241 cell_bind_sampler_states(struct pipe_context *pipe,
 242                          unsigned num, void **samplers)
 243 {
 244    struct cell_context *cell = cell_context(pipe);
 245
 246    draw_flush(cell->draw);
 247
 248    assert(unit < PIPE_MAX_SAMPLERS);
 249
 250    memcpy(cell->sampler, samplers, num * sizeof(void *));
 251    memset(&cell->sampler[num], 0, (PIPE_MAX_SAMPLERS - num) *
 252           sizeof(void *));
 253    cell->num_samplers = num;
 254
 255    cell->dirty |= CELL_NEW_SAMPLER;
 256 }
 257
 258
 259 static void
 260 cell_delete_sampler_state(struct pipe_context *pipe,
 261                               void *sampler)
 262 {
 263    FREE( sampler );
 264 }
 265
 266
 267
 268 static void
 269 cell_set_sampler_textures(struct pipe_context *pipe,
 270                           unsigned num, struct pipe_texture **texture)
 271 {
 272    struct cell_context *cell = cell_context(pipe);
 273    uint i;
 274
 275    /* Check for no-op */
 276    if (num == cell->num_textures &&
 277        !memcmp(cell->texture, texture, num * sizeof(struct pipe_texture *)))
 278       return;
 279
 280    draw_flush(cell->draw);
 281
 282    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
 283       struct pipe_texture *tex = i < num ? texture[i] : NULL;
 284
 285       pipe_texture_reference((struct pipe_texture **) &cell->texture[i], tex);
 286    }
 287
 288    cell_update_texture_mapping(cell);
 289
 290    cell->dirty |= CELL_NEW_TEXTURE;
 291 }
 292
 293
 294
 295 static void
 296 cell_set_framebuffer_state(struct pipe_context *pipe,
 297                            const struct pipe_framebuffer_state *fb)
 298 {
 299    struct cell_context *cell = cell_context(pipe);
 300
 301    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 302       struct pipe_surface *csurf = fb->cbufs[0];
 303       struct pipe_surface *zsurf = fb->zsbuf;
 304       uint i;
 305
 306       /* unmap old surfaces */
 307       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 308          if (cell->framebuffer.cbufs[i] && cell->cbuf_map[i]) {
 309             pipe_surface_unmap(cell->framebuffer.cbufs[i]);
 310             cell->cbuf_map[i] = NULL;
 311          }
 312       }
 313
 314       if (cell->framebuffer.zsbuf && cell->zsbuf_map) {
 315          pipe_surface_unmap(cell->framebuffer.zsbuf);
 316          cell->zsbuf_map = NULL;
 317       }
 318
 319       /* update my state */
 320       cell->framebuffer = *fb;
 321
 322       /* map new surfaces */
 323       if (csurf)
 324          cell->cbuf_map[0] = pipe_surface_map(csurf);
 325
 326       if (zsurf)
 327          cell->zsbuf_map = pipe_surface_map(zsurf);
 328
 329       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 330    }
 331 }
 332
 333
 334
 335 void
 336 cell_init_state_functions(struct cell_context *cell)
 337 {
 338    cell->pipe.create_blend_state = cell_create_blend_state;
 339    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 340    cell->pipe.delete_blend_state = cell_delete_blend_state;
 341
 342    cell->pipe.create_sampler_state = cell_create_sampler_state;
 343    cell->pipe.bind_sampler_states = cell_bind_sampler_states;
 344    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 345
 346    cell->pipe.set_sampler_textures = cell_set_sampler_textures;
 347
 348    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 349    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 350    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 351
 352    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 353    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 354    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 355
 356    cell->pipe.set_blend_color = cell_set_blend_color;
 357    cell->pipe.set_clip_state = cell_set_clip_state;
 358
 359    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 360
 361    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 362    cell->pipe.set_scissor_state = cell_set_scissor_state;
 363    cell->pipe.set_viewport_state = cell_set_viewport_state;
 364 }
 365