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 #if 0
  52    cell_generate_alpha_blend(cb);
  53 #endif
  54    return cb;
  55 }
  56
  57
  58 static void
  59 cell_bind_blend_state(struct pipe_context *pipe, void *state)
  60 {
  61    struct cell_context *cell = cell_context(pipe);
  62
  63    draw_flush(cell->draw);
  64
  65    cell->blend = (struct cell_blend_state *) state;
  66    cell->dirty |= CELL_NEW_BLEND;
  67 }
  68
  69
  70 static void
  71 cell_delete_blend_state(struct pipe_context *pipe, void *blend)
  72 {
  73    struct cell_blend_state *cb = (struct cell_blend_state *) blend;
  74
  75    spe_release_func(& cb->code);
  76    FREE(cb);
  77 }
  78
  79
  80 static void
  81 cell_set_blend_color(struct pipe_context *pipe,
  82                      const struct pipe_blend_color *blend_color)
  83 {
  84    struct cell_context *cell = cell_context(pipe);
  85
  86    draw_flush(cell->draw);
  87
  88    cell->blend_color = *blend_color;
  89
  90    cell->dirty |= CELL_NEW_BLEND;
  91 }
  92
  93
  94
  95
  96 static void *
  97 cell_create_depth_stencil_alpha_state(struct pipe_context *pipe,
  98                  const struct pipe_depth_stencil_alpha_state *depth_stencil)
  99 {
 100    struct cell_depth_stencil_alpha_state *cdsa =
 101        MALLOC(sizeof(struct cell_depth_stencil_alpha_state));
 102
 103    (void) memcpy(cdsa, depth_stencil, sizeof(*depth_stencil));
 104 #if 0
 105    cell_generate_depth_stencil_test(cdsa);
 106 #endif
 107    return cdsa;
 108 }
 109
 110
 111 static void
 112 cell_bind_depth_stencil_alpha_state(struct pipe_context *pipe,
 113                                     void *depth_stencil)
 114 {
 115    struct cell_context *cell = cell_context(pipe);
 116
 117    draw_flush(cell->draw);
 118
 119    cell->depth_stencil =
 120        (struct cell_depth_stencil_alpha_state *) depth_stencil;
 121    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 122 }
 123
 124
 125 static void
 126 cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *depth)
 127 {
 128    struct cell_depth_stencil_alpha_state *cdsa =
 129        (struct cell_depth_stencil_alpha_state *) depth;
 130
 131    spe_release_func(& cdsa->code);
 132    FREE(cdsa);
 133 }
 134
 135
 136 static void
 137 cell_set_clip_state(struct pipe_context *pipe,
 138                     const struct pipe_clip_state *clip)
 139 {
 140    struct cell_context *cell = cell_context(pipe);
 141
 142    /* pass the clip state to the draw module */
 143    draw_set_clip_state(cell->draw, clip);
 144 }
 145
 146
 147
 148 /* Called when driver state tracker notices changes to the viewport
 149  * matrix:
 150  */
 151 static void
 152 cell_set_viewport_state( struct pipe_context *pipe,
 153                          const struct pipe_viewport_state *viewport )
 154 {
 155    struct cell_context *cell = cell_context(pipe);
 156
 157    cell->viewport = *viewport; /* struct copy */
 158    cell->dirty |= CELL_NEW_VIEWPORT;
 159
 160    /* pass the viewport info to the draw module */
 161    draw_set_viewport_state(cell->draw, viewport);
 162
 163    /* Using tnl/ and vf/ modules is temporary while getting started.
 164     * Full pipe will have vertex shader, vertex fetch of its own.
 165     */
 166 }
 167
 168
 169 static void
 170 cell_set_scissor_state( struct pipe_context *pipe,
 171                         const struct pipe_scissor_state *scissor )
 172 {
 173    struct cell_context *cell = cell_context(pipe);
 174
 175    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 176    cell->dirty |= CELL_NEW_SCISSOR;
 177 }
 178
 179
 180 static void
 181 cell_set_polygon_stipple( struct pipe_context *pipe,
 182                           const struct pipe_poly_stipple *stipple )
 183 {
 184    struct cell_context *cell = cell_context(pipe);
 185
 186    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 187    cell->dirty |= CELL_NEW_STIPPLE;
 188 }
 189
 190
 191
 192 static void *
 193 cell_create_rasterizer_state(struct pipe_context *pipe,
 194                              const struct pipe_rasterizer_state *setup)
 195 {
 196    struct pipe_rasterizer_state *state
 197       = MALLOC(sizeof(struct pipe_rasterizer_state));
 198    memcpy(state, setup, sizeof(struct pipe_rasterizer_state));
 199    return state;
 200 }
 201
 202
 203 static void
 204 cell_bind_rasterizer_state(struct pipe_context *pipe, void *setup)
 205 {
 206    struct cell_context *cell = cell_context(pipe);
 207
 208    /* pass-through to draw module */
 209    draw_set_rasterizer_state(cell->draw, setup);
 210
 211    cell->rasterizer = (struct pipe_rasterizer_state *)setup;
 212
 213    cell->dirty |= CELL_NEW_RASTERIZER;
 214 }
 215
 216
 217 static void
 218 cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
 219 {
 220    FREE(rasterizer);
 221 }
 222
 223
 224
 225 static void *
 226 cell_create_sampler_state(struct pipe_context *pipe,
 227                           const struct pipe_sampler_state *sampler)
 228 {
 229    return mem_dup(sampler, sizeof(*sampler));
 230 }
 231
 232
 233 static void
 234 cell_bind_sampler_states(struct pipe_context *pipe,
 235                          unsigned num, void **samplers)
 236 {
 237    struct cell_context *cell = cell_context(pipe);
 238
 239    assert(num <= CELL_MAX_SAMPLERS);
 240
 241    draw_flush(cell->draw);
 242
 243    memcpy(cell->sampler, samplers, num * sizeof(void *));
 244    memset(&cell->sampler[num], 0, (CELL_MAX_SAMPLERS - num) *
 245           sizeof(void *));
 246    cell->num_samplers = num;
 247
 248    cell->dirty |= CELL_NEW_SAMPLER;
 249 }
 250
 251
 252 static void
 253 cell_delete_sampler_state(struct pipe_context *pipe,
 254                               void *sampler)
 255 {
 256    FREE( sampler );
 257 }
 258
 259
 260
 261 static void
 262 cell_set_sampler_textures(struct pipe_context *pipe,
 263                           unsigned num, struct pipe_texture **texture)
 264 {
 265    struct cell_context *cell = cell_context(pipe);
 266    uint i;
 267
 268    assert(num <= CELL_MAX_SAMPLERS);
 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 < CELL_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    cell->num_textures = num;
 283
 284    cell_update_texture_mapping(cell);
 285
 286    cell->dirty |= CELL_NEW_TEXTURE;
 287 }
 288
 289
 290
 291 static void
 292 cell_set_framebuffer_state(struct pipe_context *pipe,
 293                            const struct pipe_framebuffer_state *fb)
 294 {
 295    struct cell_context *cell = cell_context(pipe);
 296
 297    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 298       struct pipe_surface *csurf = fb->cbufs[0];
 299       struct pipe_surface *zsurf = fb->zsbuf;
 300       uint i;
 301       uint flags = (PIPE_BUFFER_USAGE_GPU_WRITE |
 302                     PIPE_BUFFER_USAGE_GPU_READ);
 303
 304       /* unmap old surfaces */
 305       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 306          if (cell->framebuffer.cbufs[i] && cell->cbuf_map[i]) {
 307             pipe_surface_unmap(cell->framebuffer.cbufs[i]);
 308             cell->cbuf_map[i] = NULL;
 309          }
 310       }
 311
 312       if (cell->framebuffer.zsbuf && cell->zsbuf_map) {
 313          pipe_surface_unmap(cell->framebuffer.zsbuf);
 314          cell->zsbuf_map = NULL;
 315       }
 316
 317       /* Finish any pending rendering to the current surface before
 318        * installing a new surface!
 319        */
 320       cell_flush_int(cell, CELL_FLUSH_WAIT);
 321
 322       /* update my state
 323        * (this is also where old surfaces will finally get freed)
 324        */
 325       cell->framebuffer.width = fb->width;
 326       cell->framebuffer.height = fb->height;
 327       cell->framebuffer.num_cbufs = fb->num_cbufs;
 328       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 329          pipe_surface_reference(&cell->framebuffer.cbufs[i], fb->cbufs[i]);
 330       }
 331       pipe_surface_reference(&cell->framebuffer.zsbuf, fb->zsbuf);
 332
 333       /* map new surfaces */
 334       if (csurf)
 335          cell->cbuf_map[0] = pipe_surface_map(csurf, flags);
 336
 337       if (zsurf)
 338          cell->zsbuf_map = pipe_surface_map(zsurf, flags);
 339
 340       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 341    }
 342 }
 343
 344
 345
 346 void
 347 cell_init_state_functions(struct cell_context *cell)
 348 {
 349    cell->pipe.create_blend_state = cell_create_blend_state;
 350    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 351    cell->pipe.delete_blend_state = cell_delete_blend_state;
 352
 353    cell->pipe.create_sampler_state = cell_create_sampler_state;
 354    cell->pipe.bind_sampler_states = cell_bind_sampler_states;
 355    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 356
 357    cell->pipe.set_sampler_textures = cell_set_sampler_textures;
 358
 359    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 360    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 361    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 362
 363    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 364    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 365    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 366
 367    cell->pipe.set_blend_color = cell_set_blend_color;
 368    cell->pipe.set_clip_state = cell_set_clip_state;
 369
 370    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 371
 372    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 373    cell->pipe.set_scissor_state = cell_set_scissor_state;
 374    cell->pipe.set_viewport_state = cell_set_viewport_state;
 375 }