src/mesa/drivers/dri/nouveau/nouveau_state.c

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include "nouveau_driver.h"
  28 #include "nouveau_context.h"
  29 #include "nouveau_texture.h"
  30 #include "nouveau_util.h"
  31
  32 #include "swrast/swrast.h"
  33 #include "tnl/tnl.h"
  34
  35 static void
  36 nouveau_alpha_func(GLcontext *ctx, GLenum func, GLfloat ref)
  37 {
  38         context_dirty(ctx, ALPHA_FUNC);
  39 }
  40
  41 static void
  42 nouveau_blend_color(GLcontext *ctx, const GLfloat color[4])
  43 {
  44         context_dirty(ctx, BLEND_COLOR);
  45 }
  46
  47 static void
  48 nouveau_blend_equation_separate(GLcontext *ctx, GLenum modeRGB, GLenum modeA)
  49 {
  50         context_dirty(ctx, BLEND_EQUATION);
  51 }
  52
  53 static void
  54 nouveau_blend_func_separate(GLcontext *ctx, GLenum sfactorRGB,
  55                             GLenum dfactorRGB, GLenum sfactorA, GLenum dfactorA)
  56 {
  57         context_dirty(ctx, BLEND_FUNC);
  58 }
  59
  60 static void
  61 nouveau_clip_plane(GLcontext *ctx, GLenum plane, const GLfloat *equation)
  62 {
  63         context_dirty_i(ctx, CLIP_PLANE, plane - GL_CLIP_PLANE0);
  64 }
  65
  66 static void
  67 nouveau_color_mask(GLcontext *ctx, GLboolean rmask, GLboolean gmask,
  68                    GLboolean bmask, GLboolean amask)
  69 {
  70         context_dirty(ctx, COLOR_MASK);
  71 }
  72
  73 static void
  74 nouveau_color_material(GLcontext *ctx, GLenum face, GLenum mode)
  75 {
  76         context_dirty(ctx, COLOR_MATERIAL);
  77         context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
  78         context_dirty(ctx, MATERIAL_BACK_AMBIENT);
  79         context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
  80         context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
  81         context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
  82         context_dirty(ctx, MATERIAL_BACK_SPECULAR);
  83 }
  84
  85 static void
  86 nouveau_cull_face(GLcontext *ctx, GLenum mode)
  87 {
  88         context_dirty(ctx, CULL_FACE);
  89 }
  90
  91 static void
  92 nouveau_front_face(GLcontext *ctx, GLenum mode)
  93 {
  94         context_dirty(ctx, FRONT_FACE);
  95 }
  96
  97 static void
  98 nouveau_depth_func(GLcontext *ctx, GLenum func)
  99 {
 100         context_dirty(ctx, DEPTH);
 101 }
 102
 103 static void
 104 nouveau_depth_mask(GLcontext *ctx, GLboolean flag)
 105 {
 106         context_dirty(ctx, DEPTH);
 107 }
 108
 109 static void
 110 nouveau_depth_range(GLcontext *ctx, GLclampd nearval, GLclampd farval)
 111 {
 112         context_dirty(ctx, VIEWPORT);
 113 }
 114
 115 static void
 116 nouveau_draw_buffer(GLcontext *ctx, GLenum buffer)
 117 {
 118         context_dirty(ctx, FRAMEBUFFER);
 119 }
 120
 121 static void
 122 nouveau_draw_buffers(GLcontext *ctx, GLsizei n, const GLenum *buffers)
 123 {
 124         context_dirty(ctx, FRAMEBUFFER);
 125 }
 126
 127 static void
 128 nouveau_enable(GLcontext *ctx, GLenum cap, GLboolean state)
 129 {
 130         int i;
 131
 132         switch (cap) {
 133         case GL_ALPHA_TEST:
 134                 context_dirty(ctx, ALPHA_FUNC);
 135                 break;
 136         case GL_BLEND:
 137                 context_dirty(ctx, BLEND_EQUATION);
 138                 break;
 139         case GL_COLOR_LOGIC_OP:
 140                 context_dirty(ctx, LOGIC_OPCODE);
 141                 break;
 142         case GL_COLOR_MATERIAL:
 143                 context_dirty(ctx, COLOR_MATERIAL);
 144                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 145                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 146                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 147                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 148                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 149                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 150                 break;
 151         case GL_COLOR_SUM_EXT:
 152                 context_dirty(ctx, FRAG);
 153                 context_dirty(ctx, LIGHT_MODEL);
 154                 break;
 155         case GL_CULL_FACE:
 156                 context_dirty(ctx, CULL_FACE);
 157                 break;
 158         case GL_DEPTH_TEST:
 159                 context_dirty(ctx, DEPTH);
 160                 break;
 161         case GL_DITHER:
 162                 context_dirty(ctx, DITHER);
 163                 break;
 164         case GL_FOG:
 165                 context_dirty(ctx, FOG);
 166                 context_dirty(ctx, FRAG);
 167                 context_dirty(ctx, MODELVIEW);
 168                 break;
 169         case GL_LIGHT0:
 170         case GL_LIGHT1:
 171         case GL_LIGHT2:
 172         case GL_LIGHT3:
 173         case GL_LIGHT4:
 174         case GL_LIGHT5:
 175         case GL_LIGHT6:
 176         case GL_LIGHT7:
 177                 context_dirty(ctx, MODELVIEW);
 178                 context_dirty(ctx, LIGHT_ENABLE);
 179                 context_dirty_i(ctx, LIGHT_SOURCE, cap - GL_LIGHT0);
 180                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 181                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 182                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 183                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 184                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 185                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 186                 context_dirty(ctx, MATERIAL_FRONT_SHININESS);
 187                 context_dirty(ctx, MATERIAL_BACK_SHININESS);
 188                 break;
 189         case GL_LIGHTING:
 190                 context_dirty(ctx, FRAG);
 191                 context_dirty(ctx, MODELVIEW);
 192                 context_dirty(ctx, LIGHT_MODEL);
 193                 context_dirty(ctx, LIGHT_ENABLE);
 194
 195                 for (i = 0; i < MAX_LIGHTS; i++) {
 196                         if (ctx->Light.Light[i].Enabled)
 197                                 context_dirty_i(ctx, LIGHT_SOURCE, i);
 198                 }
 199
 200                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 201                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 202                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 203                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 204                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 205                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 206                 context_dirty(ctx, MATERIAL_FRONT_SHININESS);
 207                 context_dirty(ctx, MATERIAL_BACK_SHININESS);
 208                 break;
 209         case GL_LINE_SMOOTH:
 210                 context_dirty(ctx, LINE_MODE);
 211                 break;
 212         case GL_NORMALIZE:
 213                 context_dirty(ctx, LIGHT_ENABLE);
 214                 break;
 215         case GL_POINT_SMOOTH:
 216                 context_dirty(ctx, POINT_MODE);
 217                 break;
 218         case GL_POLYGON_OFFSET_POINT:
 219         case GL_POLYGON_OFFSET_LINE:
 220         case GL_POLYGON_OFFSET_FILL:
 221                 context_dirty(ctx, POLYGON_OFFSET);
 222                 break;
 223         case GL_POLYGON_SMOOTH:
 224                 context_dirty(ctx, POLYGON_MODE);
 225                 break;
 226         case GL_SCISSOR_TEST:
 227                 context_dirty(ctx, SCISSOR);
 228                 break;
 229         case GL_STENCIL_TEST:
 230                 context_dirty(ctx, STENCIL_FUNC);
 231                 break;
 232         case GL_TEXTURE_1D:
 233         case GL_TEXTURE_2D:
 234         case GL_TEXTURE_3D:
 235         case GL_TEXTURE_RECTANGLE:
 236                 context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 237                 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 238                 break;
 239         case GL_TEXTURE_GEN_S:
 240         case GL_TEXTURE_GEN_T:
 241         case GL_TEXTURE_GEN_R:
 242         case GL_TEXTURE_GEN_Q:
 243                 context_dirty_i(ctx, TEX_GEN, ctx->Texture.CurrentUnit);
 244                 context_dirty(ctx, MODELVIEW);
 245                 break;
 246         }
 247 }
 248
 249 static void
 250 nouveau_fog(GLcontext *ctx, GLenum pname, const GLfloat *params)
 251 {
 252         context_dirty(ctx, FOG);
 253 }
 254
 255 static void
 256 nouveau_light(GLcontext *ctx, GLenum light, GLenum pname, const GLfloat *params)
 257 {
 258         switch (pname) {
 259         case GL_AMBIENT:
 260                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 261                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 262                 break;
 263         case GL_DIFFUSE:
 264                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 265                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 266                 break;
 267         case GL_SPECULAR:
 268                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 269                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 270                 break;
 271         case GL_SPOT_CUTOFF:
 272         case GL_POSITION:
 273                 context_dirty(ctx, MODELVIEW);
 274                 context_dirty(ctx, LIGHT_ENABLE);
 275                 context_dirty_i(ctx, LIGHT_SOURCE, light - GL_LIGHT0);
 276                 break;
 277         default:
 278                 context_dirty_i(ctx, LIGHT_SOURCE, light - GL_LIGHT0);
 279                 break;
 280         }
 281 }
 282
 283 static void
 284 nouveau_light_model(GLcontext *ctx, GLenum pname, const GLfloat *params)
 285 {
 286         context_dirty(ctx, LIGHT_MODEL);
 287         context_dirty(ctx, MODELVIEW);
 288 }
 289
 290 static void
 291 nouveau_line_stipple(GLcontext *ctx, GLint factor, GLushort pattern )
 292 {
 293         context_dirty(ctx, LINE_STIPPLE);
 294 }
 295
 296 static void
 297 nouveau_line_width(GLcontext *ctx, GLfloat width)
 298 {
 299         context_dirty(ctx, LINE_MODE);
 300 }
 301
 302 static void
 303 nouveau_logic_opcode(GLcontext *ctx, GLenum opcode)
 304 {
 305         context_dirty(ctx, LOGIC_OPCODE);
 306 }
 307
 308 static void
 309 nouveau_point_parameter(GLcontext *ctx, GLenum pname, const GLfloat *params)
 310 {
 311         context_dirty(ctx, POINT_PARAMETER);
 312 }
 313
 314 static void
 315 nouveau_point_size(GLcontext *ctx, GLfloat size)
 316 {
 317         context_dirty(ctx, POINT_MODE);
 318 }
 319
 320 static void
 321 nouveau_polygon_mode(GLcontext *ctx, GLenum face, GLenum mode)
 322 {
 323         context_dirty(ctx, POLYGON_MODE);
 324 }
 325
 326 static void
 327 nouveau_polygon_offset(GLcontext *ctx, GLfloat factor, GLfloat units)
 328 {
 329         context_dirty(ctx, POLYGON_OFFSET);
 330 }
 331
 332 static void
 333 nouveau_polygon_stipple(GLcontext *ctx, const GLubyte *mask)
 334 {
 335         context_dirty(ctx, POLYGON_STIPPLE);
 336 }
 337
 338 static void
 339 nouveau_render_mode(GLcontext *ctx, GLenum mode)
 340 {
 341         context_dirty(ctx, RENDER_MODE);
 342 }
 343
 344 static void
 345 nouveau_scissor(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
 346 {
 347         context_dirty(ctx, SCISSOR);
 348 }
 349
 350 static void
 351 nouveau_shade_model(GLcontext *ctx, GLenum mode)
 352 {
 353         context_dirty(ctx, SHADE_MODEL);
 354 }
 355
 356 static void
 357 nouveau_stencil_func_separate(GLcontext *ctx, GLenum face, GLenum func,
 358                               GLint ref, GLuint mask)
 359 {
 360         context_dirty(ctx, STENCIL_FUNC);
 361 }
 362
 363 static void
 364 nouveau_stencil_mask_separate(GLcontext *ctx, GLenum face, GLuint mask)
 365 {
 366         context_dirty(ctx, STENCIL_MASK);
 367 }
 368
 369 static void
 370 nouveau_stencil_op_separate(GLcontext *ctx, GLenum face, GLenum fail,
 371                             GLenum zfail, GLenum zpass)
 372 {
 373         context_dirty(ctx, STENCIL_OP);
 374 }
 375
 376 static void
 377 nouveau_tex_gen(GLcontext *ctx, GLenum coord, GLenum pname,
 378                 const GLfloat *params)
 379 {
 380         switch (pname) {
 381         case GL_TEXTURE_GEN_MODE:
 382                 context_dirty_i(ctx, TEX_GEN, ctx->Texture.CurrentUnit);
 383                 context_dirty(ctx, MODELVIEW);
 384                 break;
 385         default:
 386                 context_dirty_i(ctx, TEX_GEN, ctx->Texture.CurrentUnit);
 387                 break;
 388         }
 389 }
 390
 391 static void
 392 nouveau_tex_env(GLcontext *ctx, GLenum target, GLenum pname,
 393                 const GLfloat *param)
 394 {
 395         switch (target) {
 396         case GL_TEXTURE_FILTER_CONTROL_EXT:
 397                 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 398                 break;
 399         default:
 400                 context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 401                 break;
 402         }
 403 }
 404
 405 static void
 406 nouveau_tex_parameter(GLcontext *ctx, GLenum target,
 407                       struct gl_texture_object *t, GLenum pname,
 408                       const GLfloat *params)
 409 {
 410         switch (pname) {
 411         case GL_TEXTURE_MAG_FILTER:
 412         case GL_TEXTURE_WRAP_S:
 413         case GL_TEXTURE_WRAP_T:
 414         case GL_TEXTURE_WRAP_R:
 415         case GL_TEXTURE_MIN_LOD:
 416         case GL_TEXTURE_MAX_LOD:
 417         case GL_TEXTURE_MAX_ANISOTROPY_EXT:
 418         case GL_TEXTURE_LOD_BIAS:
 419                 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 420                 break;
 421
 422         case GL_TEXTURE_MIN_FILTER:
 423         case GL_TEXTURE_BASE_LEVEL:
 424         case GL_TEXTURE_MAX_LEVEL:
 425                 nouveau_texture_reallocate(ctx, t);
 426                 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 427                 break;
 428         }
 429 }
 430
 431 static void
 432 nouveau_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
 433 {
 434         context_dirty(ctx, VIEWPORT);
 435 }
 436
 437 void
 438 nouveau_emit_nothing(GLcontext *ctx, int emit)
 439 {
 440 }
 441
 442 int
 443 nouveau_next_dirty_state(GLcontext *ctx)
 444 {
 445         struct nouveau_context *nctx = to_nouveau_context(ctx);
 446         int i = BITSET_FFS(nctx->dirty) - 1;
 447
 448         if (i < 0 || i >= context_drv(ctx)->num_emit)
 449                 return -1;
 450
 451         return i;
 452 }
 453
 454 void
 455 nouveau_state_emit(GLcontext *ctx)
 456 {
 457         struct nouveau_context *nctx = to_nouveau_context(ctx);
 458         const struct nouveau_driver *drv = context_drv(ctx);
 459         int i;
 460
 461         while ((i = nouveau_next_dirty_state(ctx)) >= 0) {
 462                 BITSET_CLEAR(nctx->dirty, i);
 463                 drv->emit[i](ctx, i);
 464         }
 465
 466         BITSET_ZERO(nctx->dirty);
 467
 468         nouveau_bo_state_emit(ctx);
 469 }
 470
 471 static void
 472 nouveau_update_state(GLcontext *ctx, GLbitfield new_state)
 473 {
 474         int i;
 475
 476         if (new_state & (_NEW_PROJECTION | _NEW_MODELVIEW))
 477                 context_dirty(ctx, PROJECTION);
 478
 479         if (new_state & _NEW_MODELVIEW)
 480                 context_dirty(ctx, MODELVIEW);
 481
 482         if (new_state & _NEW_TEXTURE_MATRIX) {
 483                 for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++)
 484                         context_dirty_i(ctx, TEX_MAT, i);
 485         }
 486
 487         if (new_state & _NEW_CURRENT_ATTRIB &&
 488             new_state & _NEW_LIGHT) {
 489                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 490                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 491                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 492                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 493                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 494                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 495                 context_dirty(ctx, MATERIAL_FRONT_SHININESS);
 496                 context_dirty(ctx, MATERIAL_BACK_SHININESS);
 497         }
 498
 499         _swrast_InvalidateState(ctx, new_state);
 500         _tnl_InvalidateState(ctx, new_state);
 501
 502         nouveau_state_emit(ctx);
 503 }
 504
 505 void
 506 nouveau_state_init(GLcontext *ctx)
 507 {
 508         struct nouveau_context *nctx = to_nouveau_context(ctx);
 509
 510         ctx->Driver.AlphaFunc = nouveau_alpha_func;
 511         ctx->Driver.BlendColor = nouveau_blend_color;
 512         ctx->Driver.BlendEquationSeparate = nouveau_blend_equation_separate;
 513         ctx->Driver.BlendFuncSeparate = nouveau_blend_func_separate;
 514         ctx->Driver.ClipPlane = nouveau_clip_plane;
 515         ctx->Driver.ColorMask = nouveau_color_mask;
 516         ctx->Driver.ColorMaterial = nouveau_color_material;
 517         ctx->Driver.CullFace = nouveau_cull_face;
 518         ctx->Driver.FrontFace = nouveau_front_face;
 519         ctx->Driver.DepthFunc = nouveau_depth_func;
 520         ctx->Driver.DepthMask = nouveau_depth_mask;
 521         ctx->Driver.DepthRange = nouveau_depth_range;
 522         ctx->Driver.DrawBuffer = nouveau_draw_buffer;
 523         ctx->Driver.DrawBuffers = nouveau_draw_buffers;
 524         ctx->Driver.Enable = nouveau_enable;
 525         ctx->Driver.Fogfv = nouveau_fog;
 526         ctx->Driver.Lightfv = nouveau_light;
 527         ctx->Driver.LightModelfv = nouveau_light_model;
 528         ctx->Driver.LineStipple = nouveau_line_stipple;
 529         ctx->Driver.LineWidth = nouveau_line_width;
 530         ctx->Driver.LogicOpcode = nouveau_logic_opcode;
 531         ctx->Driver.PointParameterfv = nouveau_point_parameter;
 532         ctx->Driver.PointSize = nouveau_point_size;
 533         ctx->Driver.PolygonMode = nouveau_polygon_mode;
 534         ctx->Driver.PolygonOffset = nouveau_polygon_offset;
 535         ctx->Driver.PolygonStipple = nouveau_polygon_stipple;
 536         ctx->Driver.RenderMode = nouveau_render_mode;
 537         ctx->Driver.Scissor = nouveau_scissor;
 538         ctx->Driver.ShadeModel = nouveau_shade_model;
 539         ctx->Driver.StencilFuncSeparate = nouveau_stencil_func_separate;
 540         ctx->Driver.StencilMaskSeparate = nouveau_stencil_mask_separate;
 541         ctx->Driver.StencilOpSeparate = nouveau_stencil_op_separate;
 542         ctx->Driver.TexGen = nouveau_tex_gen;
 543         ctx->Driver.TexEnv = nouveau_tex_env;
 544         ctx->Driver.TexParameter = nouveau_tex_parameter;
 545         ctx->Driver.Viewport = nouveau_viewport;
 546
 547         ctx->Driver.UpdateState = nouveau_update_state;
 548
 549         BITSET_ONES(nctx->dirty);
 550 }