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                 break;
 154         case GL_CULL_FACE:
 155                 context_dirty(ctx, CULL_FACE);
 156                 break;
 157         case GL_DEPTH_TEST:
 158                 context_dirty(ctx, DEPTH);
 159                 break;
 160         case GL_DITHER:
 161                 context_dirty(ctx, DITHER);
 162                 break;
 163         case GL_FOG:
 164                 context_dirty(ctx, FOG);
 165                 context_dirty(ctx, FRAG);
 166                 context_dirty(ctx, MODELVIEW);
 167                 break;
 168         case GL_LIGHT0:
 169         case GL_LIGHT1:
 170         case GL_LIGHT2:
 171         case GL_LIGHT3:
 172         case GL_LIGHT4:
 173         case GL_LIGHT5:
 174         case GL_LIGHT6:
 175         case GL_LIGHT7:
 176                 context_dirty(ctx, MODELVIEW);
 177                 context_dirty(ctx, LIGHT_ENABLE);
 178                 context_dirty_i(ctx, LIGHT_SOURCE, cap - GL_LIGHT0);
 179                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 180                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 181                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 182                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 183                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 184                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 185                 context_dirty(ctx, MATERIAL_FRONT_SHININESS);
 186                 context_dirty(ctx, MATERIAL_BACK_SHININESS);
 187                 break;
 188         case GL_LIGHTING:
 189                 context_dirty(ctx, FRAG);
 190                 context_dirty(ctx, MODELVIEW);
 191                 context_dirty(ctx, LIGHT_ENABLE);
 192
 193                 for (i = 0; i < MAX_LIGHTS; i++) {
 194                         if (ctx->Light.Light[i].Enabled)
 195                                 context_dirty_i(ctx, LIGHT_SOURCE, i);
 196                 }
 197
 198                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 199                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 200                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 201                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 202                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 203                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 204                 context_dirty(ctx, MATERIAL_FRONT_SHININESS);
 205                 context_dirty(ctx, MATERIAL_BACK_SHININESS);
 206                 break;
 207         case GL_LINE_SMOOTH:
 208                 context_dirty(ctx, LINE_MODE);
 209                 break;
 210         case GL_NORMALIZE:
 211                 context_dirty(ctx, LIGHT_ENABLE);
 212                 break;
 213         case GL_POINT_SMOOTH:
 214                 context_dirty(ctx, POINT_MODE);
 215                 break;
 216         case GL_POLYGON_OFFSET_POINT:
 217         case GL_POLYGON_OFFSET_LINE:
 218         case GL_POLYGON_OFFSET_FILL:
 219                 context_dirty(ctx, POLYGON_OFFSET);
 220                 break;
 221         case GL_POLYGON_SMOOTH:
 222                 context_dirty(ctx, POLYGON_MODE);
 223                 break;
 224         case GL_SCISSOR_TEST:
 225                 context_dirty(ctx, SCISSOR);
 226                 break;
 227         case GL_STENCIL_TEST:
 228                 context_dirty(ctx, STENCIL_FUNC);
 229                 break;
 230         case GL_TEXTURE_1D:
 231         case GL_TEXTURE_2D:
 232         case GL_TEXTURE_3D:
 233                 context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 234                 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 235                 break;
 236         }
 237 }
 238
 239 static void
 240 nouveau_fog(GLcontext *ctx, GLenum pname, const GLfloat *params)
 241 {
 242         context_dirty(ctx, FOG);
 243 }
 244
 245 static void
 246 nouveau_index_mask(GLcontext *ctx, GLuint mask)
 247 {
 248         context_dirty(ctx, INDEX_MASK);
 249 }
 250
 251 static void
 252 nouveau_light(GLcontext *ctx, GLenum light, GLenum pname, const GLfloat *params)
 253 {
 254         switch (pname) {
 255         case GL_AMBIENT:
 256                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 257                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 258                 break;
 259         case GL_DIFFUSE:
 260                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 261                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 262                 break;
 263         case GL_SPECULAR:
 264                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 265                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 266                 break;
 267         case GL_SPOT_CUTOFF:
 268         case GL_POSITION:
 269                 context_dirty(ctx, MODELVIEW);
 270                 context_dirty(ctx, LIGHT_ENABLE);
 271                 context_dirty_i(ctx, LIGHT_SOURCE, light - GL_LIGHT0);
 272                 break;
 273         default:
 274                 context_dirty_i(ctx, LIGHT_SOURCE, light - GL_LIGHT0);
 275                 break;
 276         }
 277 }
 278
 279 static void
 280 nouveau_light_model(GLcontext *ctx, GLenum pname, const GLfloat *params)
 281 {
 282         context_dirty(ctx, LIGHT_MODEL);
 283         context_dirty(ctx, MODELVIEW);
 284 }
 285
 286 static void
 287 nouveau_line_stipple(GLcontext *ctx, GLint factor, GLushort pattern )
 288 {
 289         context_dirty(ctx, LINE_STIPPLE);
 290 }
 291
 292 static void
 293 nouveau_line_width(GLcontext *ctx, GLfloat width)
 294 {
 295         context_dirty(ctx, LINE_MODE);
 296 }
 297
 298 static void
 299 nouveau_logic_opcode(GLcontext *ctx, GLenum opcode)
 300 {
 301         context_dirty(ctx, LOGIC_OPCODE);
 302 }
 303
 304 static void
 305 nouveau_point_parameter(GLcontext *ctx, GLenum pname, const GLfloat *params)
 306 {
 307         context_dirty(ctx, POINT_PARAMETER);
 308 }
 309
 310 static void
 311 nouveau_point_size(GLcontext *ctx, GLfloat size)
 312 {
 313         context_dirty(ctx, POINT_MODE);
 314 }
 315
 316 static void
 317 nouveau_polygon_mode(GLcontext *ctx, GLenum face, GLenum mode)
 318 {
 319         context_dirty(ctx, POLYGON_MODE);
 320 }
 321
 322 static void
 323 nouveau_polygon_offset(GLcontext *ctx, GLfloat factor, GLfloat units)
 324 {
 325         context_dirty(ctx, POLYGON_OFFSET);
 326 }
 327
 328 static void
 329 nouveau_polygon_stipple(GLcontext *ctx, const GLubyte *mask)
 330 {
 331         context_dirty(ctx, POLYGON_STIPPLE);
 332 }
 333
 334 static void
 335 nouveau_render_mode(GLcontext *ctx, GLenum mode)
 336 {
 337         context_dirty(ctx, RENDER_MODE);
 338 }
 339
 340 static void
 341 nouveau_scissor(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
 342 {
 343         context_dirty(ctx, SCISSOR);
 344 }
 345
 346 static void
 347 nouveau_shade_model(GLcontext *ctx, GLenum mode)
 348 {
 349         context_dirty(ctx, SHADE_MODEL);
 350 }
 351
 352 static void
 353 nouveau_stencil_func_separate(GLcontext *ctx, GLenum face, GLenum func,
 354                               GLint ref, GLuint mask)
 355 {
 356         context_dirty(ctx, STENCIL_FUNC);
 357 }
 358
 359 static void
 360 nouveau_stencil_mask_separate(GLcontext *ctx, GLenum face, GLuint mask)
 361 {
 362         context_dirty(ctx, STENCIL_MASK);
 363 }
 364
 365 static void
 366 nouveau_stencil_op_separate(GLcontext *ctx, GLenum face, GLenum fail,
 367                             GLenum zfail, GLenum zpass)
 368 {
 369         context_dirty(ctx, STENCIL_OP);
 370 }
 371
 372 static void
 373 nouveau_tex_gen(GLcontext *ctx, GLenum coord, GLenum pname,
 374                 const GLfloat *params)
 375 {
 376         context_dirty_i(ctx, TEX_GEN, ctx->Texture.CurrentUnit);
 377 }
 378
 379 static void
 380 nouveau_tex_env(GLcontext *ctx, GLenum target, GLenum pname,
 381                 const GLfloat *param)
 382 {
 383         switch (target) {
 384         case GL_TEXTURE_FILTER_CONTROL_EXT:
 385                 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 386                 break;
 387         default:
 388                 context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
 389                 break;
 390         }
 391 }
 392
 393 static void
 394 nouveau_tex_parameter(GLcontext *ctx, GLenum target,
 395                       struct gl_texture_object *t, GLenum pname,
 396                       const GLfloat *params)
 397 {
 398         switch (pname) {
 399         case GL_TEXTURE_MIN_FILTER:
 400         case GL_TEXTURE_MAG_FILTER:
 401         case GL_TEXTURE_WRAP_S:
 402         case GL_TEXTURE_WRAP_T:
 403         case GL_TEXTURE_WRAP_R:
 404         case GL_TEXTURE_MIN_LOD:
 405         case GL_TEXTURE_MAX_LOD:
 406         case GL_TEXTURE_MAX_ANISOTROPY_EXT:
 407         case GL_TEXTURE_LOD_BIAS:
 408                 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 409                 break;
 410
 411         case GL_TEXTURE_BASE_LEVEL:
 412         case GL_TEXTURE_MAX_LEVEL:
 413                 texture_dirty(t);
 414                 context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
 415                 break;
 416         }
 417 }
 418
 419 static void
 420 nouveau_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
 421 {
 422         context_dirty(ctx, VIEWPORT);
 423 }
 424
 425 void
 426 nouveau_emit_nothing(GLcontext *ctx, int emit)
 427 {
 428 }
 429
 430 int
 431 nouveau_next_dirty_state(GLcontext *ctx)
 432 {
 433         struct nouveau_context *nctx = to_nouveau_context(ctx);
 434         int i = BITSET_FFS(nctx->dirty) - 1;
 435
 436         if (i < 0 || i >= context_drv(ctx)->num_emit)
 437                 return -1;
 438
 439         return i;
 440 }
 441
 442 void
 443 nouveau_state_emit(GLcontext *ctx)
 444 {
 445         struct nouveau_context *nctx = to_nouveau_context(ctx);
 446         const struct nouveau_driver *drv = context_drv(ctx);
 447         int i;
 448
 449         while ((i = nouveau_next_dirty_state(ctx)) >= 0) {
 450                 BITSET_CLEAR(nctx->dirty, i);
 451                 drv->emit[i](ctx, i);
 452         }
 453
 454         BITSET_ZERO(nctx->dirty);
 455
 456         nouveau_bo_state_emit(ctx);
 457 }
 458
 459 static void
 460 nouveau_update_state(GLcontext *ctx, GLbitfield new_state)
 461 {
 462         if (new_state & (_NEW_PROJECTION | _NEW_MODELVIEW))
 463                 context_dirty(ctx, PROJECTION);
 464
 465         if (new_state & _NEW_MODELVIEW)
 466                 context_dirty(ctx, MODELVIEW);
 467
 468         if (new_state & _NEW_CURRENT_ATTRIB &&
 469             new_state & _NEW_LIGHT) {
 470                 context_dirty(ctx, MATERIAL_FRONT_AMBIENT);
 471                 context_dirty(ctx, MATERIAL_BACK_AMBIENT);
 472                 context_dirty(ctx, MATERIAL_FRONT_DIFFUSE);
 473                 context_dirty(ctx, MATERIAL_BACK_DIFFUSE);
 474                 context_dirty(ctx, MATERIAL_FRONT_SPECULAR);
 475                 context_dirty(ctx, MATERIAL_BACK_SPECULAR);
 476                 context_dirty(ctx, MATERIAL_FRONT_SHININESS);
 477                 context_dirty(ctx, MATERIAL_BACK_SHININESS);
 478         }
 479
 480         _swrast_InvalidateState(ctx, new_state);
 481         _tnl_InvalidateState(ctx, new_state);
 482
 483         nouveau_state_emit(ctx);
 484 }
 485
 486 void
 487 nouveau_state_init(GLcontext *ctx)
 488 {
 489         struct nouveau_context *nctx = to_nouveau_context(ctx);
 490
 491         ctx->Driver.AlphaFunc = nouveau_alpha_func;
 492         ctx->Driver.BlendColor = nouveau_blend_color;
 493         ctx->Driver.BlendEquationSeparate = nouveau_blend_equation_separate;
 494         ctx->Driver.BlendFuncSeparate = nouveau_blend_func_separate;
 495         ctx->Driver.ClipPlane = nouveau_clip_plane;
 496         ctx->Driver.ColorMask = nouveau_color_mask;
 497         ctx->Driver.ColorMaterial = nouveau_color_material;
 498         ctx->Driver.CullFace = nouveau_cull_face;
 499         ctx->Driver.FrontFace = nouveau_front_face;
 500         ctx->Driver.DepthFunc = nouveau_depth_func;
 501         ctx->Driver.DepthMask = nouveau_depth_mask;
 502         ctx->Driver.DepthRange = nouveau_depth_range;
 503         ctx->Driver.DrawBuffer = nouveau_draw_buffer;
 504         ctx->Driver.DrawBuffers = nouveau_draw_buffers;
 505         ctx->Driver.Enable = nouveau_enable;
 506         ctx->Driver.Fogfv = nouveau_fog;
 507         ctx->Driver.IndexMask = nouveau_index_mask;
 508         ctx->Driver.Lightfv = nouveau_light;
 509         ctx->Driver.LightModelfv = nouveau_light_model;
 510         ctx->Driver.LineStipple = nouveau_line_stipple;
 511         ctx->Driver.LineWidth = nouveau_line_width;
 512         ctx->Driver.LogicOpcode = nouveau_logic_opcode;
 513         ctx->Driver.PointParameterfv = nouveau_point_parameter;
 514         ctx->Driver.PointSize = nouveau_point_size;
 515         ctx->Driver.PolygonMode = nouveau_polygon_mode;
 516         ctx->Driver.PolygonOffset = nouveau_polygon_offset;
 517         ctx->Driver.PolygonStipple = nouveau_polygon_stipple;
 518         ctx->Driver.RenderMode = nouveau_render_mode;
 519         ctx->Driver.Scissor = nouveau_scissor;
 520         ctx->Driver.ShadeModel = nouveau_shade_model;
 521         ctx->Driver.StencilFuncSeparate = nouveau_stencil_func_separate;
 522         ctx->Driver.StencilMaskSeparate = nouveau_stencil_mask_separate;
 523         ctx->Driver.StencilOpSeparate = nouveau_stencil_op_separate;
 524         ctx->Driver.TexGen = nouveau_tex_gen;
 525         ctx->Driver.TexEnv = nouveau_tex_env;
 526         ctx->Driver.TexParameter = nouveau_tex_parameter;
 527         ctx->Driver.Viewport = nouveau_viewport;
 528
 529         ctx->Driver.UpdateState = nouveau_update_state;
 530
 531         BITSET_ONES(nctx->dirty);
 532 }