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 *blend)
  58 {
  59    struct cell_context *cell = cell_context(pipe);
  60
  61    draw_flush(cell->draw);
  62
  63    cell->blend = (const struct cell_blend_state *)blend;
  64
  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    cdsa->code.store = NULL;
 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    struct cell_depth_stencil_alpha_state *cdsa =
 115        (struct cell_depth_stencil_alpha_state *) depth_stencil;
 116
 117    draw_flush(cell->draw);
 118
 119    if (cdsa->code.store == NULL) {
 120       cell_generate_depth_stencil_test(cdsa);
 121    }
 122
 123    cell->depth_stencil = cdsa;
 124    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 125 }
 126
 127
 128 static void
 129 cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *depth)
 130 {
 131    struct cell_depth_stencil_alpha_state *cdsa =
 132        (struct cell_depth_stencil_alpha_state *) depth;
 133
 134    spe_release_func(& cdsa->code);
 135    FREE(cdsa);
 136 }
 137
 138
 139 static void cell_set_clip_state( struct pipe_context *pipe,
 140                              const struct pipe_clip_state *clip )
 141 {
 142    struct cell_context *cell = cell_context(pipe);
 143
 144    /* pass the clip state to the draw module */
 145    draw_set_clip_state(cell->draw, clip);
 146 }
 147
 148
 149
 150 /* Called when driver state tracker notices changes to the viewport
 151  * matrix:
 152  */
 153 static void
 154 cell_set_viewport_state( struct pipe_context *pipe,
 155                          const struct pipe_viewport_state *viewport )
 156 {
 157    struct cell_context *cell = cell_context(pipe);
 158
 159    cell->viewport = *viewport; /* struct copy */
 160    cell->dirty |= CELL_NEW_VIEWPORT;
 161
 162    /* pass the viewport info to the draw module */
 163    draw_set_viewport_state(cell->draw, viewport);
 164
 165    /* Using tnl/ and vf/ modules is temporary while getting started.
 166     * Full pipe will have vertex shader, vertex fetch of its own.
 167     */
 168 }
 169
 170
 171 static void
 172 cell_set_scissor_state( struct pipe_context *pipe,
 173                         const struct pipe_scissor_state *scissor )
 174 {
 175    struct cell_context *cell = cell_context(pipe);
 176
 177    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 178    cell->dirty |= CELL_NEW_SCISSOR;
 179 }
 180
 181
 182 static void
 183 cell_set_polygon_stipple( struct pipe_context *pipe,
 184                           const struct pipe_poly_stipple *stipple )
 185 {
 186    struct cell_context *cell = cell_context(pipe);
 187
 188    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 189    cell->dirty |= CELL_NEW_STIPPLE;
 190 }
 191
 192
 193
 194 static void *
 195 cell_create_rasterizer_state(struct pipe_context *pipe,
 196                              const struct pipe_rasterizer_state *setup)
 197 {
 198    struct pipe_rasterizer_state *state
 199       = MALLOC(sizeof(struct pipe_rasterizer_state));
 200    memcpy(state, setup, sizeof(struct pipe_rasterizer_state));
 201    return state;
 202 }
 203
 204
 205 static void
 206 cell_bind_rasterizer_state(struct pipe_context *pipe, void *setup)
 207 {
 208    struct cell_context *cell = cell_context(pipe);
 209
 210    /* pass-through to draw module */
 211    draw_set_rasterizer_state(cell->draw, setup);
 212
 213    cell->rasterizer = (struct pipe_rasterizer_state *)setup;
 214
 215    cell->dirty |= CELL_NEW_RASTERIZER;
 216 }
 217
 218
 219 static void
 220 cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
 221 {
 222    FREE(rasterizer);
 223 }
 224
 225
 226
 227 static void *
 228 cell_create_sampler_state(struct pipe_context *pipe,
 229                           const struct pipe_sampler_state *sampler)
 230 {
 231    return mem_dup(sampler, sizeof(*sampler));
 232 }
 233
 234
 235 static void
 236 cell_bind_sampler_states(struct pipe_context *pipe,
 237                          unsigned num, void **samplers)
 238 {
 239    struct cell_context *cell = cell_context(pipe);
 240
 241    draw_flush(cell->draw);
 242
 243    assert(unit < PIPE_MAX_SAMPLERS);
 244
 245    memcpy(cell->sampler, samplers, num * sizeof(void *));
 246    memset(&cell->sampler[num], 0, (PIPE_MAX_SAMPLERS - num) *
 247           sizeof(void *));
 248    cell->num_samplers = num;
 249
 250    cell->dirty |= CELL_NEW_SAMPLER;
 251 }
 252
 253
 254 static void
 255 cell_delete_sampler_state(struct pipe_context *pipe,
 256                               void *sampler)
 257 {
 258    FREE( sampler );
 259 }
 260
 261
 262
 263 static void
 264 cell_set_sampler_textures(struct pipe_context *pipe,
 265                           unsigned num, struct pipe_texture **texture)
 266 {
 267    struct cell_context *cell = cell_context(pipe);
 268    uint i;
 269
 270    /* Check for no-op */
 271    if (num == cell->num_textures &&
 272        !memcmp(cell->texture, texture, num * sizeof(struct pipe_texture *)))
 273       return;
 274
 275    draw_flush(cell->draw);
 276
 277    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
 278       struct pipe_texture *tex = i < num ? texture[i] : NULL;
 279
 280       pipe_texture_reference((struct pipe_texture **) &cell->texture[i], tex);
 281    }
 282
 283    cell_update_texture_mapping(cell);
 284
 285    cell->dirty |= CELL_NEW_TEXTURE;
 286 }
 287
 288
 289
 290 static void
 291 cell_set_framebuffer_state(struct pipe_context *pipe,
 292                            const struct pipe_framebuffer_state *fb)
 293 {
 294    struct cell_context *cell = cell_context(pipe);
 295
 296    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 297       struct pipe_surface *csurf = fb->cbufs[0];
 298       struct pipe_surface *zsurf = fb->zsbuf;
 299       uint i;
 300
 301       /* unmap old surfaces */
 302       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 303          if (cell->framebuffer.cbufs[i] && cell->cbuf_map[i]) {
 304             pipe_surface_unmap(cell->framebuffer.cbufs[i]);
 305             cell->cbuf_map[i] = NULL;
 306          }
 307       }
 308
 309       if (cell->framebuffer.zsbuf && cell->zsbuf_map) {
 310          pipe_surface_unmap(cell->framebuffer.zsbuf);
 311          cell->zsbuf_map = NULL;
 312       }
 313
 314       /* update my state */
 315       cell->framebuffer = *fb;
 316
 317       /* map new surfaces */
 318       if (csurf)
 319          cell->cbuf_map[0] = pipe_surface_map(csurf);
 320
 321       if (zsurf)
 322          cell->zsbuf_map = pipe_surface_map(zsurf);
 323
 324       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 325    }
 326 }
 327
 328
 329
 330 void
 331 cell_init_state_functions(struct cell_context *cell)
 332 {
 333    cell->pipe.create_blend_state = cell_create_blend_state;
 334    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 335    cell->pipe.delete_blend_state = cell_delete_blend_state;
 336
 337    cell->pipe.create_sampler_state = cell_create_sampler_state;
 338    cell->pipe.bind_sampler_states = cell_bind_sampler_states;
 339    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 340
 341    cell->pipe.set_sampler_textures = cell_set_sampler_textures;
 342
 343    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 344    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 345    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 346
 347    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 348    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 349    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 350
 351    cell->pipe.set_blend_color = cell_set_blend_color;
 352    cell->pipe.set_clip_state = cell_set_clip_state;
 353
 354    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 355
 356    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 357    cell->pipe.set_scissor_state = cell_set_scissor_state;
 358    cell->pipe.set_viewport_state = cell_set_viewport_state;
 359 }
 360