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