src/gallium/state_trackers/nine/nine_state.h

   1 /*
   2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #ifndef _NINE_STATE_H_
  24 #define _NINE_STATE_H_
  25
  26 #include "d3d9.h"
  27 #include "nine_defines.h"
  28 #include "pipe/p_state.h"
  29 #include "util/list.h"
  30
  31 #define NINED3DSAMP_MINLOD (D3DSAMP_DMAPOFFSET + 1)
  32 #define NINED3DSAMP_SHADOW (D3DSAMP_DMAPOFFSET + 2)
  33 #define NINED3DSAMP_CUBETEX (D3DSAMP_DMAPOFFSET + 3)
  34
  35 #define NINED3DRS_VSPOINTSIZE (D3DRS_BLENDOPALPHA + 1)
  36 #define NINED3DRS_RTMASK      (D3DRS_BLENDOPALPHA + 2)
  37 /* ALPHACOVERAGE:
  38  * bit 0: enable alpha coverage
  39  * bit 1: ATOC is on
  40  */
  41 #define NINED3DRS_ALPHACOVERAGE  (D3DRS_BLENDOPALPHA + 3)
  42 #define NINED3DRS_MULTISAMPLE  (D3DRS_BLENDOPALPHA + 4)
  43
  44 #define D3DRS_LAST       D3DRS_BLENDOPALPHA
  45 #define D3DSAMP_LAST     D3DSAMP_DMAPOFFSET
  46 #define NINED3DRS_LAST   NINED3DRS_MULTISAMPLE /* 214 */
  47 #define NINED3DSAMP_LAST NINED3DSAMP_CUBETEX /* 16 */
  48 #define NINED3DTSS_LAST  D3DTSS_CONSTANT
  49 #define NINED3DTS_LAST   D3DTS_WORLDMATRIX(255)
  50
  51 #define D3DRS_COUNT       (D3DRS_LAST + 1)
  52 #define D3DSAMP_COUNT     (D3DSAMP_LAST + 1)
  53 #define NINED3DRS_COUNT   (NINED3DRS_LAST + 1)
  54 #define NINED3DSAMP_COUNT (NINED3DSAMP_LAST + 1)
  55 #define NINED3DTSS_COUNT  (NINED3DTSS_LAST + 1)
  56 #define NINED3DTS_COUNT   (NINED3DTS_LAST + 1)
  57
  58 #define NINE_STATE_FB          (1 <<  0)
  59 #define NINE_STATE_VIEWPORT    (1 <<  1)
  60 #define NINE_STATE_SCISSOR     (1 <<  2)
  61 #define NINE_STATE_RASTERIZER  (1 <<  3)
  62 #define NINE_STATE_BLEND       (1 <<  4)
  63 #define NINE_STATE_DSA         (1 <<  5)
  64 #define NINE_STATE_VS          (1 <<  6)
  65 #define NINE_STATE_VS_CONST    (1 <<  7)
  66 #define NINE_STATE_PS          (1 <<  8)
  67 #define NINE_STATE_PS_CONST    (1 <<  9)
  68 #define NINE_STATE_TEXTURE     (1 << 10)
  69 #define NINE_STATE_SAMPLER     (1 << 11)
  70 #define NINE_STATE_VDECL       (1 << 12)
  71 #define NINE_STATE_IDXBUF      (1 << 13)
  72 #define NINE_STATE_STREAMFREQ  (1 << 14)
  73 #define NINE_STATE_PRIM        (1 << 15)
  74 #define NINE_STATE_MATERIAL    (1 << 16)
  75 #define NINE_STATE_BLEND_COLOR (1 << 17)
  76 #define NINE_STATE_STENCIL_REF (1 << 18)
  77 #define NINE_STATE_SAMPLE_MASK (1 << 19)
  78 #define NINE_STATE_FF          (0x1f << 20)
  79 #define NINE_STATE_FF_VS       (0x17 << 20)
  80 #define NINE_STATE_FF_PS       (0x18 << 20)
  81 #define NINE_STATE_FF_LIGHTING (1 << 20)
  82 #define NINE_STATE_FF_MATERIAL (1 << 21)
  83 #define NINE_STATE_FF_VSTRANSF (1 << 22)
  84 #define NINE_STATE_FF_PSSTAGES (1 << 23)
  85 #define NINE_STATE_FF_OTHER    (1 << 24)
  86 #define NINE_STATE_FOG_SHADER  (1 << 25)
  87 #define NINE_STATE_PS1X_SHADER (1 << 26)
  88 #define NINE_STATE_POINTSIZE_SHADER (1 << 27)
  89 #define NINE_STATE_MULTISAMPLE (1 << 28)
  90 #define NINE_STATE_SWVP        (1 << 29)
  91 #define NINE_STATE_ALL          0x3fffffff
  92 #define NINE_STATE_UNHANDLED   (1 << 30)
  93
  94 #define NINE_STATE_COMMIT_DSA  (1 << 0)
  95 #define NINE_STATE_COMMIT_RASTERIZER (1 << 1)
  96 #define NINE_STATE_COMMIT_BLEND (1 << 2)
  97 #define NINE_STATE_COMMIT_CONST_VS (1 << 3)
  98 #define NINE_STATE_COMMIT_CONST_PS (1 << 4)
  99 #define NINE_STATE_COMMIT_VS (1 << 5)
 100 #define NINE_STATE_COMMIT_PS (1 << 6)
 101
 102
 103 #define NINE_MAX_SIMULTANEOUS_RENDERTARGETS 4
 104 #define NINE_MAX_CONST_F_PS3 224
 105 #define NINE_MAX_CONST_F   256
 106 #define NINE_MAX_CONST_I   16
 107 #define NINE_MAX_CONST_B   16
 108 #define NINE_MAX_CONST_F_SWVP   8192
 109 #define NINE_MAX_CONST_I_SWVP   2048
 110 #define NINE_MAX_CONST_B_SWVP   2048
 111 #define NINE_MAX_CONST_ALL 276 /* B consts count only 1/4 th */
 112
 113 #define NINE_CONST_I_BASE(nconstf) \
 114     ((nconstf)        * 4 * sizeof(float))
 115 #define NINE_CONST_B_BASE(nconstf) \
 116     ((nconstf)        * 4 * sizeof(float) + \
 117      NINE_MAX_CONST_I * 4 * sizeof(int))
 118
 119 #define VS_CONST_F_SIZE(device) (device->may_swvp ? (NINE_MAX_CONST_F_SWVP * sizeof(float[4])) : (NINE_MAX_CONST_F * sizeof(float[4])))
 120 #define VS_CONST_I_SIZE(device) (device->may_swvp ? (NINE_MAX_CONST_I_SWVP * sizeof(int[4])) : (NINE_MAX_CONST_I * sizeof(int[4])))
 121 #define VS_CONST_B_SIZE(device) (device->may_swvp ? (NINE_MAX_CONST_B_SWVP * sizeof(BOOL)) : (NINE_MAX_CONST_B * sizeof(BOOL)))
 122
 123
 124 #define NINE_MAX_TEXTURE_STAGES 8
 125
 126 #define NINE_MAX_LIGHTS        65536
 127 #define NINE_MAX_LIGHTS_ACTIVE 8
 128
 129 #define NINED3DLIGHT_INVALID (D3DLIGHT_DIRECTIONAL + 1)
 130
 131 #define NINE_MAX_SAMPLERS_PS 16
 132 #define NINE_MAX_SAMPLERS_VS  4
 133 #define NINE_MAX_SAMPLERS    21 /* PS + DMAP + VS */
 134 #define NINE_SAMPLER_PS(s)  ( 0 + (s))
 135 #define NINE_SAMPLER_DMAP    16
 136 #define NINE_SAMPLER_VS(s)  (17 + (s))
 137 #define NINE_PS_SAMPLERS_MASK 0x00ffff
 138 #define NINE_VS_SAMPLERS_MASK 0x1e0000
 139
 140 struct nine_ff_state {
 141     struct {
 142         uint32_t tex_stage[NINE_MAX_TEXTURE_STAGES][(NINED3DTSS_COUNT + 31) / 32]; /* stateblocks only */
 143         uint32_t transform[(NINED3DTS_COUNT + 31) / 32];
 144     } changed;
 145
 146     D3DMATRIX *transform; /* access only via nine_state_access_transform */
 147     unsigned num_transforms;
 148
 149     /* XXX: Do state blocks just change the set of active lights or do we
 150      * have to store which lights have been disabled, too ?
 151      */
 152     D3DLIGHT9 *light;
 153     uint16_t active_light[NINE_MAX_LIGHTS_ACTIVE]; /* 8 */
 154     unsigned num_lights;
 155     unsigned num_lights_active;
 156
 157     D3DMATERIAL9 material;
 158
 159     DWORD tex_stage[NINE_MAX_TEXTURE_STAGES][NINED3DTSS_COUNT];
 160 };
 161
 162 struct nine_state
 163 {
 164     struct {
 165         uint32_t group;
 166         uint32_t rs[(NINED3DRS_COUNT + 31) / 32];
 167         uint32_t vtxbuf;
 168         uint32_t stream_freq;
 169         uint32_t texture;
 170         uint16_t sampler[NINE_MAX_SAMPLERS];
 171         struct nine_range *vs_const_f;
 172         struct nine_range *ps_const_f;
 173         struct nine_range *vs_const_i;
 174         uint16_t ps_const_i; /* NINE_MAX_CONST_I == 16 */
 175         struct nine_range *vs_const_b;
 176         uint16_t ps_const_b; /* NINE_MAX_CONST_B == 16 */
 177         uint8_t ucp;
 178     } changed; /* stateblocks only */
 179
 180     struct NineSurface9 *rt[NINE_MAX_SIMULTANEOUS_RENDERTARGETS];
 181     struct NineSurface9 *ds;
 182
 183     D3DVIEWPORT9 viewport;
 184
 185     struct pipe_scissor_state scissor;
 186
 187     /* NOTE: vs, ps will be NULL for FF and are set in device->ff.vs,ps instead
 188      *  (XXX: or is it better to reference FF shaders here, too ?)
 189      * NOTE: const_f contains extra space for const_i,b to use as user constbuf
 190      */
 191     struct NineVertexShader9 *vs;
 192     float *vs_const_f;
 193     int   *vs_const_i;
 194     BOOL  *vs_const_b;
 195     float *vs_lconstf_temp; /* ProcessVertices */
 196
 197     struct NinePixelShader9 *ps;
 198     float *ps_const_f;
 199     int    ps_const_i[NINE_MAX_CONST_I][4];
 200     BOOL   ps_const_b[NINE_MAX_CONST_B];
 201
 202     struct NineVertexDeclaration9 *vdecl;
 203
 204     struct NineIndexBuffer9   *idxbuf;
 205     struct NineVertexBuffer9  *stream[PIPE_MAX_ATTRIBS];
 206     struct pipe_vertex_buffer  vtxbuf[PIPE_MAX_ATTRIBS]; /* vtxbuf.buffer unused */
 207     UINT stream_freq[PIPE_MAX_ATTRIBS];
 208
 209     struct pipe_clip_state clip;
 210
 211     DWORD rs_advertised[NINED3DRS_COUNT]; /* the ones apps get with GetRenderState */
 212
 213     struct NineBaseTexture9 *texture[NINE_MAX_SAMPLERS]; /* PS, DMAP, VS */
 214
 215     DWORD samp_advertised[NINE_MAX_SAMPLERS][D3DSAMP_COUNT];
 216
 217     struct nine_ff_state ff;
 218 };
 219
 220 struct nine_context {
 221     struct {
 222         uint32_t group;
 223         uint16_t sampler[NINE_MAX_SAMPLERS];
 224         uint32_t vtxbuf;
 225         BOOL vs_const_f;
 226         BOOL vs_const_i;
 227         BOOL vs_const_b;
 228         BOOL ps_const_f;
 229         BOOL ps_const_i;
 230         BOOL ps_const_b;
 231         BOOL ucp;
 232     } changed;
 233
 234     uint32_t bumpmap_vars[6 * NINE_MAX_TEXTURE_STAGES];
 235
 236     struct NineSurface9 *rt[NINE_MAX_SIMULTANEOUS_RENDERTARGETS];
 237     struct NineSurface9 *ds;
 238
 239     struct {
 240         void *vs;
 241         void *ps;
 242     } cso_shader;
 243
 244     struct pipe_context *pipe;
 245     struct cso_context *cso;
 246
 247     uint8_t rt_mask;
 248
 249     D3DVIEWPORT9 viewport;
 250
 251     struct pipe_scissor_state scissor;
 252
 253     struct NineVertexShader9 *vs;
 254     BOOL programmable_vs;
 255     float *vs_const_f;
 256     float *vs_const_f_swvp;
 257     int   *vs_const_i;
 258     BOOL  *vs_const_b;
 259     float *vs_lconstf_temp;
 260
 261     struct NinePixelShader9 *ps;
 262     float *ps_const_f;
 263     int    ps_const_i[NINE_MAX_CONST_I][4];
 264     BOOL   ps_const_b[NINE_MAX_CONST_B];
 265     float *ps_lconstf_temp;
 266
 267     struct NineVertexDeclaration9 *vdecl;
 268
 269     struct pipe_vertex_buffer vtxbuf[PIPE_MAX_ATTRIBS];
 270     UINT stream_freq[PIPE_MAX_ATTRIBS];
 271     uint32_t stream_instancedata_mask; /* derived from stream_freq */
 272     uint32_t stream_usage_mask; /* derived from VS and vdecl */
 273
 274     struct pipe_index_buffer idxbuf;
 275
 276     struct pipe_clip_state clip;
 277
 278     DWORD rs[NINED3DRS_COUNT];
 279
 280     struct {
 281         BOOL enabled;
 282         BOOL shadow;
 283         DWORD lod;
 284         D3DRESOURCETYPE type;
 285         struct pipe_resource *resource;
 286         struct pipe_sampler_view *view[2];
 287         uint8_t pstype;
 288     } texture[NINE_MAX_SAMPLERS];
 289
 290     DWORD samp[NINE_MAX_SAMPLERS][NINED3DSAMP_COUNT];
 291
 292     uint32_t samplers_shadow;
 293
 294     uint8_t bound_samplers_mask_vs;
 295     uint16_t bound_samplers_mask_ps;
 296
 297     int dummy_vbo_bound_at; /* -1 = not bound , >= 0 = bound index */
 298     boolean vbo_bound_done;
 299
 300     struct nine_ff_state ff;
 301
 302     uint32_t commit;
 303     struct {
 304         struct pipe_framebuffer_state fb;
 305         struct pipe_depth_stencil_alpha_state dsa;
 306         struct pipe_rasterizer_state rast;
 307         struct pipe_blend_state blend;
 308         struct pipe_constant_buffer cb_vs;
 309         struct pipe_constant_buffer cb0_swvp;
 310         struct pipe_constant_buffer cb1_swvp;
 311         struct pipe_constant_buffer cb2_swvp;
 312         struct pipe_constant_buffer cb3_swvp;
 313         struct pipe_constant_buffer cb_ps;
 314         struct pipe_constant_buffer cb_vs_ff;
 315         struct pipe_constant_buffer cb_ps_ff;
 316     } pipe_data;
 317 };
 318
 319 struct nine_state_sw_internal {
 320     struct pipe_transfer *transfers_so[4];
 321 };
 322
 323 /* map D3DRS -> NINE_STATE_x
 324  */
 325 extern const uint32_t nine_render_state_group[NINED3DRS_COUNT];
 326
 327 /* for D3DSBT_PIXEL/VERTEX:
 328  */
 329 extern const uint32_t nine_render_states_pixel[(NINED3DRS_COUNT + 31) / 32];
 330 extern const uint32_t nine_render_states_vertex[(NINED3DRS_COUNT + 31) / 32];
 331
 332 struct NineDevice9;
 333
 334 void
 335 nine_context_set_render_state(struct NineDevice9 *device,
 336                               D3DRENDERSTATETYPE State,
 337                               DWORD Value);
 338
 339 void
 340 nine_context_set_texture(struct NineDevice9 *device,
 341                          DWORD Stage,
 342                          struct NineBaseTexture9 *tex);
 343
 344 void
 345 nine_context_set_sampler_state(struct NineDevice9 *device,
 346                                DWORD Sampler,
 347                                D3DSAMPLERSTATETYPE Type,
 348                                DWORD Value);
 349
 350 void
 351 nine_context_set_stream_source(struct NineDevice9 *device,
 352                                UINT StreamNumber,
 353                                struct NineVertexBuffer9 *pVBuf9,
 354                                UINT OffsetInBytes,
 355                                UINT Stride);
 356
 357 void
 358 nine_context_set_stream_source_freq(struct NineDevice9 *device,
 359                                     UINT StreamNumber,
 360                                     UINT Setting);
 361
 362 void
 363 nine_context_set_indices(struct NineDevice9 *device,
 364                          struct NineIndexBuffer9 *idxbuf);
 365
 366 void
 367 nine_context_set_vertex_declaration(struct NineDevice9 *device,
 368                                     struct NineVertexDeclaration9 *vdecl);
 369
 370 void
 371 nine_context_set_vertex_shader(struct NineDevice9 *device,
 372                                struct NineVertexShader9 *pShader);
 373
 374 void
 375 nine_context_set_vertex_shader_constant_f(struct NineDevice9 *device,
 376                                           UINT StartRegister,
 377                                           const float *pConstantData,
 378                                           UINT Vector4fCount);
 379
 380 void
 381 nine_context_set_vertex_shader_constant_i(struct NineDevice9 *device,
 382                                           UINT StartRegister,
 383                                           const int *pConstantData,
 384                                           UINT Vector4iCount);
 385
 386 void
 387 nine_context_set_vertex_shader_constant_b(struct NineDevice9 *device,
 388                                           UINT StartRegister,
 389                                           const BOOL *pConstantData,
 390                                           UINT BoolCount);
 391
 392 void
 393 nine_context_set_pixel_shader(struct NineDevice9 *device,
 394                               struct NinePixelShader9* ps);
 395
 396 void
 397 nine_context_set_pixel_shader_constant_f(struct NineDevice9 *device,
 398                                         UINT StartRegister,
 399                                         const float *pConstantData,
 400                                         UINT Vector4fCount);
 401
 402 void
 403 nine_context_set_pixel_shader_constant_i(struct NineDevice9 *device,
 404                                          UINT StartRegister,
 405                                          const int *pConstantData,
 406                                          UINT Vector4iCount);
 407
 408 void
 409 nine_context_set_pixel_shader_constant_b(struct NineDevice9 *device,
 410                                          UINT StartRegister,
 411                                          const BOOL *pConstantData,
 412                                          UINT BoolCount);
 413
 414 void
 415 nine_context_set_viewport(struct NineDevice9 *device,
 416                           const D3DVIEWPORT9 *viewport);
 417
 418 void
 419 nine_context_set_scissor(struct NineDevice9 *device,
 420                          const struct pipe_scissor_state *scissor);
 421
 422 void
 423 nine_context_set_transform(struct NineDevice9 *device,
 424                            D3DTRANSFORMSTATETYPE State,
 425                            const D3DMATRIX *pMatrix);
 426
 427 void
 428 nine_context_set_material(struct NineDevice9 *device,
 429                           const D3DMATERIAL9 *pMaterial);
 430
 431 void
 432 nine_context_set_light(struct NineDevice9 *device,
 433                        DWORD Index,
 434                        const D3DLIGHT9 *pLight);
 435
 436 void
 437 nine_context_light_enable(struct NineDevice9 *device,
 438                           DWORD Index,
 439                           BOOL Enable);
 440
 441 void
 442 nine_context_set_texture_stage_state(struct NineDevice9 *device,
 443                                      DWORD Stage,
 444                                      D3DTEXTURESTAGESTATETYPE Type,
 445                                      DWORD Value);
 446
 447 void
 448 nine_context_set_render_target(struct NineDevice9 *device,
 449                                DWORD RenderTargetIndex,
 450                                struct NineSurface9 *rt);
 451
 452 void
 453 nine_context_set_depth_stencil(struct NineDevice9 *device,
 454                                struct NineSurface9 *ds);
 455
 456 void
 457 nine_context_set_clip_plane(struct NineDevice9 *device,
 458                             DWORD Index,
 459                             const float *pPlane);
 460
 461 void
 462 nine_context_apply_stateblock(struct NineDevice9 *device,
 463                               const struct nine_state *src);
 464
 465 void
 466 nine_context_clear_fb(struct NineDevice9 *device, DWORD Count,
 467                       const D3DRECT *pRects, DWORD Flags,
 468                       D3DCOLOR Color, float Z, DWORD Stencil);
 469
 470 void
 471 nine_context_draw_primitive(struct NineDevice9 *device,
 472                             D3DPRIMITIVETYPE PrimitiveType,
 473                             UINT StartVertex,
 474                             UINT PrimitiveCount);
 475
 476 void
 477 nine_context_draw_indexed_primitive(struct NineDevice9 *device,
 478                                     D3DPRIMITIVETYPE PrimitiveType,
 479                                     INT BaseVertexIndex,
 480                                     UINT MinVertexIndex,
 481                                     UINT NumVertices,
 482                                     UINT StartIndex,
 483                                     UINT PrimitiveCount);
 484
 485 void
 486 nine_context_draw_primitive_from_vtxbuf(struct NineDevice9 *device,
 487                                         D3DPRIMITIVETYPE PrimitiveType,
 488                                         UINT PrimitiveCount,
 489                                         struct pipe_vertex_buffer *vtxbuf);
 490
 491 void
 492 nine_context_draw_indexed_primitive_from_vtxbuf_idxbuf(struct NineDevice9 *device,
 493                                                        D3DPRIMITIVETYPE PrimitiveType,
 494                                                        UINT MinVertexIndex,
 495                                                        UINT NumVertices,
 496                                                        UINT PrimitiveCount,
 497                                                        struct pipe_vertex_buffer *vbuf,
 498                                                        struct pipe_index_buffer *ibuf);
 499
 500 struct pipe_query *
 501 nine_context_create_query(struct NineDevice9 *device, unsigned query_type);
 502
 503 void
 504 nine_context_destroy_query(struct NineDevice9 *device, struct pipe_query *query);
 505
 506 void
 507 nine_context_begin_query(struct NineDevice9 *device, struct pipe_query *query);
 508
 509 void
 510 nine_context_end_query(struct NineDevice9 *device, struct pipe_query *query);
 511
 512 boolean
 513 nine_context_get_query_result(struct NineDevice9 *device, struct pipe_query *query,
 514                               boolean flush, boolean wait,
 515                               union pipe_query_result *result);
 516
 517 void nine_state_restore_non_cso(struct NineDevice9 *device);
 518 void nine_state_set_defaults(struct NineDevice9 *, const D3DCAPS9 *,
 519                              boolean is_reset);
 520 void nine_state_clear(struct nine_state *, const boolean device);
 521 void nine_context_clear(struct NineDevice9 *);
 522
 523 void nine_state_init_sw(struct NineDevice9 *device);
 524 void nine_state_prepare_draw_sw(struct NineDevice9 *device,
 525                                 struct NineVertexDeclaration9 *vdecl_out,
 526                                 int start_vertice,
 527                                 int num_vertices,
 528                                 struct pipe_stream_output_info *so);
 529 void nine_state_after_draw_sw(struct NineDevice9 *device);
 530 void nine_state_destroy_sw(struct NineDevice9 *device);
 531
 532 /* If @alloc is FALSE, the return value may be a const identity matrix.
 533  * Therefore, do not modify if you set alloc to FALSE !
 534  */
 535 D3DMATRIX *
 536 nine_state_access_transform(struct nine_ff_state *, D3DTRANSFORMSTATETYPE,
 537                             boolean alloc);
 538
 539 HRESULT
 540 nine_state_set_light(struct nine_ff_state *, DWORD, const D3DLIGHT9 *);
 541
 542 HRESULT
 543 nine_state_light_enable(struct nine_ff_state *, uint32_t *,
 544                         DWORD, BOOL);
 545
 546 const char *nine_d3drs_to_string(DWORD State);
 547
 548 #endif /* _NINE_STATE_H_ */