src/mesa/drivers/dri/radeon/radeon_context.h

   1 /**************************************************************************
   2
   3 Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
   4                      VA Linux Systems Inc., Fremont, California.
   5 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   6
   7 The Weather Channel (TM) funded Tungsten Graphics to develop the
   8 initial release of the Radeon 8500 driver under the XFree86 license.
   9 This notice must be preserved.
  10
  11 All Rights Reserved.
  12
  13 Permission is hereby granted, free of charge, to any person obtaining
  14 a copy of this software and associated documentation files (the
  15 "Software"), to deal in the Software without restriction, including
  16 without limitation the rights to use, copy, modify, merge, publish,
  17 distribute, sublicense, and/or sell copies of the Software, and to
  18 permit persons to whom the Software is furnished to do so, subject to
  19 the following conditions:
  20
  21 The above copyright notice and this permission notice (including the
  22 next paragraph) shall be included in all copies or substantial
  23 portions of the Software.
  24
  25 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  28 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  29 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32
  33 **************************************************************************/
  34
  35 /*
  36  * Authors:
  37  *   Gareth Hughes <gareth@valinux.com>
  38  *   Keith Whitwell <keith@tungstengraphics.com>
  39  *   Kevin E. Martin <martin@valinux.com>
  40  *   Nicolai Haehnle <prefect_@gmx.net>
  41  */
  42
  43 #ifndef __RADEON_CONTEXT_H__
  44 #define __RADEON_CONTEXT_H__
  45
  46 #include "tnl/t_vertex.h"
  47 #include "dri_util.h"
  48 #include "drm.h"
  49 #include "radeon_drm.h"
  50 #include "texmem.h"
  51 #include "main/macros.h"
  52 #include "main/mtypes.h"
  53 #include "main/colormac.h"
  54 #include "radeon_screen.h"
  55
  56 #include "common_context.h"
  57 #include "common_misc.h"
  58
  59
  60 struct r100_context;
  61 typedef struct r100_context r100ContextRec;
  62 typedef struct r100_context *r100ContextPtr;
  63
  64 #include "radeon_lock.h"
  65
  66
  67
  68 #define R100_TEX_ALL 0x7
  69
  70 /* used for both tcl_vtx and vc_frmt tex bits (they are identical) */
  71 #define RADEON_ST_BIT(unit) \
  72 (unit == 0 ? RADEON_CP_VC_FRMT_ST0 : (RADEON_CP_VC_FRMT_ST1 >> 2) << (2 * unit))
  73
  74 #define RADEON_Q_BIT(unit) \
  75 (unit == 0 ? RADEON_CP_VC_FRMT_Q0 : (RADEON_CP_VC_FRMT_Q1 >> 2) << (2 * unit))
  76
  77 struct radeon_texture_env_state {
  78         radeonTexObjPtr texobj;
  79         GLenum format;
  80         GLenum envMode;
  81 };
  82
  83 struct radeon_texture_state {
  84         struct radeon_texture_env_state unit[RADEON_MAX_TEXTURE_UNITS];
  85 };
  86
  87 /* Trying to keep these relatively short as the variables are becoming
  88  * extravagently long.  Drop the driver name prefix off the front of
  89  * everything - I think we know which driver we're in by now, and keep the
  90  * prefix to 3 letters unless absolutely impossible.
  91  */
  92
  93 #define CTX_CMD_0             0
  94 #define CTX_PP_MISC           1
  95 #define CTX_PP_FOG_COLOR      2
  96 #define CTX_RE_SOLID_COLOR    3
  97 #define CTX_RB3D_BLENDCNTL    4
  98 #define CTX_RB3D_DEPTHOFFSET  5
  99 #define CTX_RB3D_DEPTHPITCH   6
 100 #define CTX_RB3D_ZSTENCILCNTL 7
 101 #define CTX_CMD_1             8
 102 #define CTX_PP_CNTL           9
 103 #define CTX_RB3D_CNTL         10
 104 #define CTX_RB3D_COLOROFFSET  11
 105 #define CTX_CMD_2             12
 106 #define CTX_RB3D_COLORPITCH   13
 107 #define CTX_STATE_SIZE        14
 108
 109 #define SET_CMD_0               0
 110 #define SET_SE_CNTL             1
 111 #define SET_SE_COORDFMT         2
 112 #define SET_CMD_1               3
 113 #define SET_SE_CNTL_STATUS      4
 114 #define SET_STATE_SIZE          5
 115
 116 #define LIN_CMD_0               0
 117 #define LIN_RE_LINE_PATTERN     1
 118 #define LIN_RE_LINE_STATE       2
 119 #define LIN_CMD_1               3
 120 #define LIN_SE_LINE_WIDTH       4
 121 #define LIN_STATE_SIZE          5
 122
 123 #define MSK_CMD_0               0
 124 #define MSK_RB3D_STENCILREFMASK 1
 125 #define MSK_RB3D_ROPCNTL        2
 126 #define MSK_RB3D_PLANEMASK      3
 127 #define MSK_STATE_SIZE          4
 128
 129 #define VPT_CMD_0           0
 130 #define VPT_SE_VPORT_XSCALE          1
 131 #define VPT_SE_VPORT_XOFFSET         2
 132 #define VPT_SE_VPORT_YSCALE          3
 133 #define VPT_SE_VPORT_YOFFSET         4
 134 #define VPT_SE_VPORT_ZSCALE          5
 135 #define VPT_SE_VPORT_ZOFFSET         6
 136 #define VPT_STATE_SIZE      7
 137
 138 #define MSC_CMD_0               0
 139 #define MSC_RE_MISC             1
 140 #define MSC_STATE_SIZE          2
 141
 142 #define TEX_CMD_0                   0
 143 #define TEX_PP_TXFILTER             1
 144 #define TEX_PP_TXFORMAT             2
 145 #define TEX_PP_TXOFFSET             3
 146 #define TEX_PP_TXCBLEND             4
 147 #define TEX_PP_TXABLEND             5
 148 #define TEX_PP_TFACTOR              6
 149 #define TEX_CMD_1                   7
 150 #define TEX_PP_BORDER_COLOR         8
 151 #define TEX_STATE_SIZE              9
 152
 153 #define TXR_CMD_0                   0   /* rectangle textures */
 154 #define TXR_PP_TEX_SIZE             1   /* 0x1d04, 0x1d0c for NPOT! */
 155 #define TXR_PP_TEX_PITCH            2   /* 0x1d08, 0x1d10 for NPOT! */
 156 #define TXR_STATE_SIZE              3
 157
 158 #define CUBE_CMD_0                  0
 159 #define CUBE_PP_CUBIC_FACES         1
 160 #define CUBE_CMD_1                  2
 161 #define CUBE_PP_CUBIC_OFFSET_0      3
 162 #define CUBE_PP_CUBIC_OFFSET_1      4
 163 #define CUBE_PP_CUBIC_OFFSET_2      5
 164 #define CUBE_PP_CUBIC_OFFSET_3      6
 165 #define CUBE_PP_CUBIC_OFFSET_4      7
 166 #define CUBE_STATE_SIZE             8
 167
 168 #define ZBS_CMD_0              0
 169 #define ZBS_SE_ZBIAS_FACTOR             1
 170 #define ZBS_SE_ZBIAS_CONSTANT           2
 171 #define ZBS_STATE_SIZE         3
 172
 173 #define TCL_CMD_0                        0
 174 #define TCL_OUTPUT_VTXFMT         1
 175 #define TCL_OUTPUT_VTXSEL         2
 176 #define TCL_MATRIX_SELECT_0       3
 177 #define TCL_MATRIX_SELECT_1       4
 178 #define TCL_UCP_VERT_BLEND_CTL    5
 179 #define TCL_TEXTURE_PROC_CTL      6
 180 #define TCL_LIGHT_MODEL_CTL       7
 181 #define TCL_PER_LIGHT_CTL_0       8
 182 #define TCL_PER_LIGHT_CTL_1       9
 183 #define TCL_PER_LIGHT_CTL_2       10
 184 #define TCL_PER_LIGHT_CTL_3       11
 185 #define TCL_STATE_SIZE                   12
 186
 187 #define MTL_CMD_0            0
 188 #define MTL_EMMISSIVE_RED    1
 189 #define MTL_EMMISSIVE_GREEN  2
 190 #define MTL_EMMISSIVE_BLUE   3
 191 #define MTL_EMMISSIVE_ALPHA  4
 192 #define MTL_AMBIENT_RED      5
 193 #define MTL_AMBIENT_GREEN    6
 194 #define MTL_AMBIENT_BLUE     7
 195 #define MTL_AMBIENT_ALPHA    8
 196 #define MTL_DIFFUSE_RED      9
 197 #define MTL_DIFFUSE_GREEN    10
 198 #define MTL_DIFFUSE_BLUE     11
 199 #define MTL_DIFFUSE_ALPHA    12
 200 #define MTL_SPECULAR_RED     13
 201 #define MTL_SPECULAR_GREEN   14
 202 #define MTL_SPECULAR_BLUE    15
 203 #define MTL_SPECULAR_ALPHA   16
 204 #define MTL_SHININESS        17
 205 #define MTL_STATE_SIZE       18
 206
 207 #define VTX_CMD_0              0
 208 #define VTX_SE_COORD_FMT       1
 209 #define VTX_STATE_SIZE         2
 210
 211 #define MAT_CMD_0              0
 212 #define MAT_ELT_0              1
 213 #define MAT_STATE_SIZE         17
 214
 215 #define GRD_CMD_0                  0
 216 #define GRD_VERT_GUARD_CLIP_ADJ    1
 217 #define GRD_VERT_GUARD_DISCARD_ADJ 2
 218 #define GRD_HORZ_GUARD_CLIP_ADJ    3
 219 #define GRD_HORZ_GUARD_DISCARD_ADJ 4
 220 #define GRD_STATE_SIZE             5
 221
 222 /* position changes frequently when lighting in modelpos - separate
 223  * out to new state item?
 224  */
 225 #define LIT_CMD_0                  0
 226 #define LIT_AMBIENT_RED            1
 227 #define LIT_AMBIENT_GREEN          2
 228 #define LIT_AMBIENT_BLUE           3
 229 #define LIT_AMBIENT_ALPHA          4
 230 #define LIT_DIFFUSE_RED            5
 231 #define LIT_DIFFUSE_GREEN          6
 232 #define LIT_DIFFUSE_BLUE           7
 233 #define LIT_DIFFUSE_ALPHA          8
 234 #define LIT_SPECULAR_RED           9
 235 #define LIT_SPECULAR_GREEN         10
 236 #define LIT_SPECULAR_BLUE          11
 237 #define LIT_SPECULAR_ALPHA         12
 238 #define LIT_POSITION_X             13
 239 #define LIT_POSITION_Y             14
 240 #define LIT_POSITION_Z             15
 241 #define LIT_POSITION_W             16
 242 #define LIT_DIRECTION_X            17
 243 #define LIT_DIRECTION_Y            18
 244 #define LIT_DIRECTION_Z            19
 245 #define LIT_DIRECTION_W            20
 246 #define LIT_ATTEN_QUADRATIC        21
 247 #define LIT_ATTEN_LINEAR           22
 248 #define LIT_ATTEN_CONST            23
 249 #define LIT_ATTEN_XXX              24
 250 #define LIT_CMD_1                  25
 251 #define LIT_SPOT_DCD               26
 252 #define LIT_SPOT_EXPONENT          27
 253 #define LIT_SPOT_CUTOFF            28
 254 #define LIT_SPECULAR_THRESH        29
 255 #define LIT_RANGE_CUTOFF           30   /* ? */
 256 #define LIT_ATTEN_CONST_INV        31
 257 #define LIT_STATE_SIZE             32
 258
 259 /* Fog
 260  */
 261 #define FOG_CMD_0      0
 262 #define FOG_R          1
 263 #define FOG_C          2
 264 #define FOG_D          3
 265 #define FOG_PAD        4
 266 #define FOG_STATE_SIZE 5
 267
 268 /* UCP
 269  */
 270 #define UCP_CMD_0      0
 271 #define UCP_X          1
 272 #define UCP_Y          2
 273 #define UCP_Z          3
 274 #define UCP_W          4
 275 #define UCP_STATE_SIZE 5
 276
 277 /* GLT - Global ambient
 278  */
 279 #define GLT_CMD_0      0
 280 #define GLT_RED        1
 281 #define GLT_GREEN      2
 282 #define GLT_BLUE       3
 283 #define GLT_ALPHA      4
 284 #define GLT_STATE_SIZE 5
 285
 286 /* EYE
 287  */
 288 #define EYE_CMD_0          0
 289 #define EYE_X              1
 290 #define EYE_Y              2
 291 #define EYE_Z              3
 292 #define EYE_RESCALE_FACTOR 4
 293 #define EYE_STATE_SIZE     5
 294
 295 #define SHN_CMD_0          0
 296 #define SHN_SHININESS      1
 297 #define SHN_STATE_SIZE     2
 298
 299 struct radeon_hw_state {
 300         /* Head of the linked list of state atoms. */
 301         struct radeon_state_atom atomlist;
 302
 303         /* Hardware state, stored as cmdbuf commands:
 304          *   -- Need to doublebuffer for
 305          *           - eliding noop statechange loops? (except line stipple count)
 306          */
 307         struct radeon_state_atom ctx;
 308         struct radeon_state_atom set;
 309         struct radeon_state_atom lin;
 310         struct radeon_state_atom msk;
 311         struct radeon_state_atom vpt;
 312         struct radeon_state_atom tcl;
 313         struct radeon_state_atom msc;
 314         struct radeon_state_atom tex[3];
 315         struct radeon_state_atom cube[3];
 316         struct radeon_state_atom zbs;
 317         struct radeon_state_atom mtl;
 318         struct radeon_state_atom mat[6];
 319         struct radeon_state_atom lit[8];        /* includes vec, scl commands */
 320         struct radeon_state_atom ucp[6];
 321         struct radeon_state_atom eye;   /* eye pos */
 322         struct radeon_state_atom grd;   /* guard band clipping */
 323         struct radeon_state_atom fog;
 324         struct radeon_state_atom glt;
 325         struct radeon_state_atom txr[3];        /* for NPOT */
 326
 327         int max_state_size;     /* Number of bytes necessary for a full state emit. */
 328         GLboolean is_dirty, all_dirty;
 329 };
 330
 331
 332 struct r100_state {
 333         struct radeon_stipple_state stipple;
 334         struct radeon_texture_state texture;
 335 };
 336
 337 #define GET_START(rvb) (rmesa->radeon.radeonScreen->gart_buffer_offset +                        \
 338                         (rvb)->address - rmesa->dma.buf0_address +      \
 339                         (rvb)->start)
 340
 341
 342 #define RADEON_CMD_BUF_SZ  (8*1024)
 343
 344 /* radeon_tcl.c
 345  */
 346 struct radeon_tcl_info {
 347         GLuint vertex_format;
 348         GLuint hw_primitive;
 349
 350         /* Temporary for cases where incoming vertex data is incompatible
 351          * with maos code.
 352          */
 353         GLvector4f ObjClean;
 354
 355         struct radeon_dma_region *aos_components[8];
 356         GLuint nr_aos_components;
 357
 358         GLuint *Elts;
 359
 360         struct radeon_dma_region indexed_verts;
 361         struct radeon_dma_region obj;
 362         struct radeon_dma_region rgba;
 363         struct radeon_dma_region spec;
 364         struct radeon_dma_region fog;
 365         struct radeon_dma_region tex[RADEON_MAX_TEXTURE_UNITS];
 366         struct radeon_dma_region norm;
 367 };
 368
 369 /* radeon_swtcl.c
 370  */
 371 struct radeon_swtcl_info {
 372         GLuint RenderIndex;
 373         GLuint vertex_size;
 374         GLuint vertex_format;
 375
 376         struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 377         GLuint vertex_attr_count;
 378
 379         GLubyte *verts;
 380
 381         /* Fallback rasterization functions
 382          */
 383         radeon_point_func draw_point;
 384         radeon_line_func draw_line;
 385         radeon_tri_func draw_tri;
 386
 387         GLuint hw_primitive;
 388         GLenum render_primitive;
 389         GLuint numverts;
 390
 391    /**
 392     * Offset of the 4UB color data within a hardware (swtcl) vertex.
 393     */
 394         GLuint coloroffset;
 395
 396    /**
 397     * Offset of the 3UB specular color data within a hardware (swtcl) vertex.
 398     */
 399         GLuint specoffset;
 400
 401         GLboolean needproj;
 402
 403         struct radeon_dma_region indexed_verts;
 404 };
 405
 406
 407
 408 /* A maximum total of 20 elements per vertex:  3 floats for position, 3
 409  * floats for normal, 4 floats for color, 4 bytes for secondary color,
 410  * 3 floats for each texture unit (9 floats total).
 411  *
 412  * The position data is never actually stored here, so 3 elements could be
 413  * trimmed out of the buffer. This number is only valid for vtxfmt!
 414  */
 415 #define RADEON_MAX_VERTEX_SIZE 20
 416
 417 struct r100_context {
 418         struct radeon_context radeon;
 419
 420         /* Driver and hardware state management
 421          */
 422         struct radeon_hw_state hw;
 423         struct r100_state state;
 424
 425         /* Vertex buffers
 426          */
 427         struct radeon_ioctl ioctl;
 428         struct radeon_dma dma;
 429         struct radeon_store store;
 430         /* A full state emit as of the first state emit in the main store, in case
 431          * the context is lost.
 432          */
 433         struct radeon_store backup_store;
 434
 435         /* TCL stuff
 436          */
 437         GLmatrix TexGenMatrix[RADEON_MAX_TEXTURE_UNITS];
 438         GLboolean recheck_texgen[RADEON_MAX_TEXTURE_UNITS];
 439         GLboolean TexGenNeedNormals[RADEON_MAX_TEXTURE_UNITS];
 440         GLuint TexGenEnabled;
 441         GLuint NeedTexMatrix;
 442         GLuint TexMatColSwap;
 443         GLmatrix tmpmat[RADEON_MAX_TEXTURE_UNITS];
 444         GLuint last_ReallyEnabled;
 445
 446         /* radeon_tcl.c
 447          */
 448         struct radeon_tcl_info tcl;
 449
 450         /* radeon_swtcl.c
 451          */
 452         struct radeon_swtcl_info swtcl;
 453
 454         GLboolean using_hyperz;
 455         GLboolean texmicrotile;
 456
 457         /* Performance counters
 458          */
 459         GLuint boxes;           /* Draw performance boxes */
 460         GLuint hardwareWentIdle;
 461         GLuint c_clears;
 462         GLuint c_drawWaits;
 463         GLuint c_textureSwaps;
 464         GLuint c_textureBytes;
 465         GLuint c_vertexBuffers;
 466
 467         GLboolean save_on_next_emit;
 468 };
 469
 470 #define R100_CONTEXT(ctx)               ((r100ContextPtr)(ctx->DriverCtx))
 471
 472
 473 #define RADEON_OLD_PACKETS 1
 474
 475 extern void radeonDestroyContext(__DRIcontextPrivate * driContextPriv);
 476 extern GLboolean radeonCreateContext(const __GLcontextModes * glVisual,
 477                                      __DRIcontextPrivate * driContextPriv,
 478                                      void *sharedContextPrivate);
 479 extern GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 480                                    __DRIdrawablePrivate * driDrawPriv,
 481                                    __DRIdrawablePrivate * driReadPriv);
 482 extern GLboolean radeonUnbindContext(__DRIcontextPrivate * driContextPriv);
 483
 484
 485
 486 #endif                          /* __RADEON_CONTEXT_H__ */