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