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