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 "radeon_common.h"
  57
  58
  59 struct r100_context;
  60 typedef struct r100_context r100ContextRec;
  61 typedef struct r100_context *r100ContextPtr;
  62
  63 #include "radeon_lock.h"
  64
  65
  66
  67 #define R100_TEX_ALL 0x7
  68
  69 /* used for both tcl_vtx and vc_frmt tex bits (they are identical) */
  70 #define RADEON_ST_BIT(unit) \
  71 (unit == 0 ? RADEON_CP_VC_FRMT_ST0 : (RADEON_CP_VC_FRMT_ST1 >> 2) << (2 * unit))
  72
  73 #define RADEON_Q_BIT(unit) \
  74 (unit == 0 ? RADEON_CP_VC_FRMT_Q0 : (RADEON_CP_VC_FRMT_Q1 >> 2) << (2 * unit))
  75
  76 struct radeon_texture_env_state {
  77         radeonTexObjPtr texobj;
  78         GLenum format;
  79         GLenum envMode;
  80 };
  81
  82 struct radeon_texture_state {
  83         struct radeon_texture_env_state unit[RADEON_MAX_TEXTURE_UNITS];
  84 };
  85
  86 /* Trying to keep these relatively short as the variables are becoming
  87  * extravagently long.  Drop the driver name prefix off the front of
  88  * everything - I think we know which driver we're in by now, and keep the
  89  * prefix to 3 letters unless absolutely impossible.
  90  */
  91
  92 #define CTX_CMD_0             0
  93 #define CTX_PP_MISC           1
  94 #define CTX_PP_FOG_COLOR      2
  95 #define CTX_RE_SOLID_COLOR    3
  96 #define CTX_RB3D_BLENDCNTL    4
  97 #define CTX_RB3D_DEPTHOFFSET  5
  98 #define CTX_RB3D_DEPTHPITCH   6
  99 #define CTX_RB3D_ZSTENCILCNTL 7
 100 #define CTX_CMD_1             8
 101 #define CTX_PP_CNTL           9
 102 #define CTX_RB3D_CNTL         10
 103 #define CTX_RB3D_COLOROFFSET  11
 104 #define CTX_CMD_2             12
 105 #define CTX_RB3D_COLORPITCH   13
 106 #define CTX_STATE_SIZE        14
 107
 108 #define SET_CMD_0               0
 109 #define SET_SE_CNTL             1
 110 #define SET_SE_COORDFMT         2
 111 #define SET_CMD_1               3
 112 #define SET_SE_CNTL_STATUS      4
 113 #define SET_STATE_SIZE          5
 114
 115 #define LIN_CMD_0               0
 116 #define LIN_RE_LINE_PATTERN     1
 117 #define LIN_RE_LINE_STATE       2
 118 #define LIN_CMD_1               3
 119 #define LIN_SE_LINE_WIDTH       4
 120 #define LIN_STATE_SIZE          5
 121
 122 #define MSK_CMD_0               0
 123 #define MSK_RB3D_STENCILREFMASK 1
 124 #define MSK_RB3D_ROPCNTL        2
 125 #define MSK_RB3D_PLANEMASK      3
 126 #define MSK_STATE_SIZE          4
 127
 128 #define VPT_CMD_0           0
 129 #define VPT_SE_VPORT_XSCALE          1
 130 #define VPT_SE_VPORT_XOFFSET         2
 131 #define VPT_SE_VPORT_YSCALE          3
 132 #define VPT_SE_VPORT_YOFFSET         4
 133 #define VPT_SE_VPORT_ZSCALE          5
 134 #define VPT_SE_VPORT_ZOFFSET         6
 135 #define VPT_STATE_SIZE      7
 136
 137 #define MSC_CMD_0               0
 138 #define MSC_RE_MISC             1
 139 #define MSC_STATE_SIZE          2
 140
 141 #define TEX_CMD_0                   0
 142 #define TEX_PP_TXFILTER             1
 143 #define TEX_PP_TXFORMAT             2
 144 #define TEX_PP_TXOFFSET             3
 145 #define TEX_PP_TXCBLEND             4
 146 #define TEX_PP_TXABLEND             5
 147 #define TEX_PP_TFACTOR              6
 148 #define TEX_CMD_1                   7
 149 #define TEX_PP_BORDER_COLOR         8
 150 #define TEX_STATE_SIZE              9
 151
 152 #define TXR_CMD_0                   0   /* rectangle textures */
 153 #define TXR_PP_TEX_SIZE             1   /* 0x1d04, 0x1d0c for NPOT! */
 154 #define TXR_PP_TEX_PITCH            2   /* 0x1d08, 0x1d10 for NPOT! */
 155 #define TXR_STATE_SIZE              3
 156
 157 #define CUBE_CMD_0                  0
 158 #define CUBE_PP_CUBIC_FACES         1
 159 #define CUBE_CMD_1                  2
 160 #define CUBE_PP_CUBIC_OFFSET_0      3
 161 #define CUBE_PP_CUBIC_OFFSET_1      4
 162 #define CUBE_PP_CUBIC_OFFSET_2      5
 163 #define CUBE_PP_CUBIC_OFFSET_3      6
 164 #define CUBE_PP_CUBIC_OFFSET_4      7
 165 #define CUBE_STATE_SIZE             8
 166
 167 #define ZBS_CMD_0              0
 168 #define ZBS_SE_ZBIAS_FACTOR             1
 169 #define ZBS_SE_ZBIAS_CONSTANT           2
 170 #define ZBS_STATE_SIZE         3
 171
 172 #define TCL_CMD_0                        0
 173 #define TCL_OUTPUT_VTXFMT         1
 174 #define TCL_OUTPUT_VTXSEL         2
 175 #define TCL_MATRIX_SELECT_0       3
 176 #define TCL_MATRIX_SELECT_1       4
 177 #define TCL_UCP_VERT_BLEND_CTL    5
 178 #define TCL_TEXTURE_PROC_CTL      6
 179 #define TCL_LIGHT_MODEL_CTL       7
 180 #define TCL_PER_LIGHT_CTL_0       8
 181 #define TCL_PER_LIGHT_CTL_1       9
 182 #define TCL_PER_LIGHT_CTL_2       10
 183 #define TCL_PER_LIGHT_CTL_3       11
 184 #define TCL_STATE_SIZE                   12
 185
 186 #define MTL_CMD_0            0
 187 #define MTL_EMMISSIVE_RED    1
 188 #define MTL_EMMISSIVE_GREEN  2
 189 #define MTL_EMMISSIVE_BLUE   3
 190 #define MTL_EMMISSIVE_ALPHA  4
 191 #define MTL_AMBIENT_RED      5
 192 #define MTL_AMBIENT_GREEN    6
 193 #define MTL_AMBIENT_BLUE     7
 194 #define MTL_AMBIENT_ALPHA    8
 195 #define MTL_DIFFUSE_RED      9
 196 #define MTL_DIFFUSE_GREEN    10
 197 #define MTL_DIFFUSE_BLUE     11
 198 #define MTL_DIFFUSE_ALPHA    12
 199 #define MTL_SPECULAR_RED     13
 200 #define MTL_SPECULAR_GREEN   14
 201 #define MTL_SPECULAR_BLUE    15
 202 #define MTL_SPECULAR_ALPHA   16
 203 #define MTL_SHININESS        17
 204 #define MTL_STATE_SIZE       18
 205
 206 #define VTX_CMD_0              0
 207 #define VTX_SE_COORD_FMT       1
 208 #define VTX_STATE_SIZE         2
 209
 210 #define MAT_CMD_0              0
 211 #define MAT_ELT_0              1
 212 #define MAT_STATE_SIZE         17
 213
 214 #define GRD_CMD_0                  0
 215 #define GRD_VERT_GUARD_CLIP_ADJ    1
 216 #define GRD_VERT_GUARD_DISCARD_ADJ 2
 217 #define GRD_HORZ_GUARD_CLIP_ADJ    3
 218 #define GRD_HORZ_GUARD_DISCARD_ADJ 4
 219 #define GRD_STATE_SIZE             5
 220
 221 /* position changes frequently when lighting in modelpos - separate
 222  * out to new state item?
 223  */
 224 #define LIT_CMD_0                  0
 225 #define LIT_AMBIENT_RED            1
 226 #define LIT_AMBIENT_GREEN          2
 227 #define LIT_AMBIENT_BLUE           3
 228 #define LIT_AMBIENT_ALPHA          4
 229 #define LIT_DIFFUSE_RED            5
 230 #define LIT_DIFFUSE_GREEN          6
 231 #define LIT_DIFFUSE_BLUE           7
 232 #define LIT_DIFFUSE_ALPHA          8
 233 #define LIT_SPECULAR_RED           9
 234 #define LIT_SPECULAR_GREEN         10
 235 #define LIT_SPECULAR_BLUE          11
 236 #define LIT_SPECULAR_ALPHA         12
 237 #define LIT_POSITION_X             13
 238 #define LIT_POSITION_Y             14
 239 #define LIT_POSITION_Z             15
 240 #define LIT_POSITION_W             16
 241 #define LIT_DIRECTION_X            17
 242 #define LIT_DIRECTION_Y            18
 243 #define LIT_DIRECTION_Z            19
 244 #define LIT_DIRECTION_W            20
 245 #define LIT_ATTEN_QUADRATIC        21
 246 #define LIT_ATTEN_LINEAR           22
 247 #define LIT_ATTEN_CONST            23
 248 #define LIT_ATTEN_XXX              24
 249 #define LIT_CMD_1                  25
 250 #define LIT_SPOT_DCD               26
 251 #define LIT_SPOT_EXPONENT          27
 252 #define LIT_SPOT_CUTOFF            28
 253 #define LIT_SPECULAR_THRESH        29
 254 #define LIT_RANGE_CUTOFF           30   /* ? */
 255 #define LIT_ATTEN_CONST_INV        31
 256 #define LIT_STATE_SIZE             32
 257
 258 /* Fog
 259  */
 260 #define FOG_CMD_0      0
 261 #define FOG_R          1
 262 #define FOG_C          2
 263 #define FOG_D          3
 264 #define FOG_PAD        4
 265 #define FOG_STATE_SIZE 5
 266
 267 /* UCP
 268  */
 269 #define UCP_CMD_0      0
 270 #define UCP_X          1
 271 #define UCP_Y          2
 272 #define UCP_Z          3
 273 #define UCP_W          4
 274 #define UCP_STATE_SIZE 5
 275
 276 /* GLT - Global ambient
 277  */
 278 #define GLT_CMD_0      0
 279 #define GLT_RED        1
 280 #define GLT_GREEN      2
 281 #define GLT_BLUE       3
 282 #define GLT_ALPHA      4
 283 #define GLT_STATE_SIZE 5
 284
 285 /* EYE
 286  */
 287 #define EYE_CMD_0          0
 288 #define EYE_X              1
 289 #define EYE_Y              2
 290 #define EYE_Z              3
 291 #define EYE_RESCALE_FACTOR 4
 292 #define EYE_STATE_SIZE     5
 293
 294 #define SHN_CMD_0          0
 295 #define SHN_SHININESS      1
 296 #define SHN_STATE_SIZE     2
 297
 298 struct r100_hw_state {
 299         /* Hardware state, stored as cmdbuf commands:
 300          *   -- Need to doublebuffer for
 301          *           - eliding noop statechange loops? (except line stipple count)
 302          */
 303         struct radeon_state_atom ctx;
 304         struct radeon_state_atom set;
 305         struct radeon_state_atom lin;
 306         struct radeon_state_atom msk;
 307         struct radeon_state_atom vpt;
 308         struct radeon_state_atom tcl;
 309         struct radeon_state_atom msc;
 310         struct radeon_state_atom tex[3];
 311         struct radeon_state_atom cube[3];
 312         struct radeon_state_atom zbs;
 313         struct radeon_state_atom mtl;
 314         struct radeon_state_atom mat[6];
 315         struct radeon_state_atom lit[8];        /* includes vec, scl commands */
 316         struct radeon_state_atom ucp[6];
 317         struct radeon_state_atom eye;   /* eye pos */
 318         struct radeon_state_atom grd;   /* guard band clipping */
 319         struct radeon_state_atom fog;
 320         struct radeon_state_atom glt;
 321         struct radeon_state_atom txr[3];        /* for NPOT */
 322
 323 };
 324
 325
 326 struct r100_state {
 327         struct radeon_stipple_state stipple;
 328         struct radeon_texture_state texture;
 329 };
 330
 331 #define RADEON_CMD_BUF_SZ  (8*1024)
 332 #define R200_ELT_BUF_SZ  (8*1024)
 333 /* radeon_tcl.c
 334  */
 335 struct radeon_tcl_info {
 336         GLuint vertex_format;
 337         GLuint hw_primitive;
 338
 339         /* Temporary for cases where incoming vertex data is incompatible
 340          * with maos code.
 341          */
 342         GLvector4f ObjClean;
 343
 344         struct radeon_aos aos[8];
 345         GLuint nr_aos_components;
 346
 347         GLuint *Elts;
 348
 349         struct radeon_bo *indexed_bo;
 350
 351         int elt_cmd_offset; /** Offset into the cmdbuf */
 352         int elt_cmd_start;
 353         int elt_used;
 354 };
 355
 356 /* radeon_swtcl.c
 357  */
 358 struct r100_swtcl_info {
 359         GLuint vertex_format;
 360
 361         GLubyte *verts;
 362
 363         /* Fallback rasterization functions
 364          */
 365         radeon_point_func draw_point;
 366         radeon_line_func draw_line;
 367         radeon_tri_func draw_tri;
 368
 369    /**
 370     * Offset of the 4UB color data within a hardware (swtcl) vertex.
 371     */
 372         GLuint coloroffset;
 373
 374    /**
 375     * Offset of the 3UB specular color data within a hardware (swtcl) vertex.
 376     */
 377         GLuint specoffset;
 378
 379         GLboolean needproj;
 380 };
 381
 382
 383
 384 /* A maximum total of 20 elements per vertex:  3 floats for position, 3
 385  * floats for normal, 4 floats for color, 4 bytes for secondary color,
 386  * 3 floats for each texture unit (9 floats total).
 387  *
 388  * The position data is never actually stored here, so 3 elements could be
 389  * trimmed out of the buffer. This number is only valid for vtxfmt!
 390  */
 391 #define RADEON_MAX_VERTEX_SIZE 20
 392
 393 struct r100_context {
 394         struct radeon_context radeon;
 395
 396         /* Driver and hardware state management
 397          */
 398         struct r100_hw_state hw;
 399         struct r100_state state;
 400
 401         /* Vertex buffers
 402          */
 403         struct radeon_ioctl ioctl;
 404         struct radeon_store store;
 405
 406         /* TCL stuff
 407          */
 408         GLmatrix TexGenMatrix[RADEON_MAX_TEXTURE_UNITS];
 409         GLboolean recheck_texgen[RADEON_MAX_TEXTURE_UNITS];
 410         GLboolean TexGenNeedNormals[RADEON_MAX_TEXTURE_UNITS];
 411         GLuint TexGenEnabled;
 412         GLuint NeedTexMatrix;
 413         GLuint TexMatColSwap;
 414         GLmatrix tmpmat[RADEON_MAX_TEXTURE_UNITS];
 415         GLuint last_ReallyEnabled;
 416
 417         /* radeon_tcl.c
 418          */
 419         struct radeon_tcl_info tcl;
 420
 421         /* radeon_swtcl.c
 422          */
 423         struct r100_swtcl_info swtcl;
 424
 425         GLboolean using_hyperz;
 426         GLboolean texmicrotile;
 427
 428         /* Performance counters
 429          */
 430         GLuint boxes;           /* Draw performance boxes */
 431         GLuint hardwareWentIdle;
 432         GLuint c_clears;
 433         GLuint c_drawWaits;
 434         GLuint c_textureSwaps;
 435         GLuint c_textureBytes;
 436         GLuint c_vertexBuffers;
 437
 438   struct {
 439       struct gl_fragment_program *bitmap_fp;
 440       struct gl_vertex_program *passthrough_vp;
 441
 442       struct gl_fragment_program *saved_fp;
 443       GLboolean saved_fp_enable;
 444       struct gl_vertex_program *saved_vp;
 445       GLboolean saved_vp_enable;
 446
 447       GLint saved_vp_x, saved_vp_y;
 448       GLsizei saved_vp_width, saved_vp_height;
 449       GLenum saved_matrix_mode;
 450    } meta;
 451
 452 };
 453
 454
 455 #define R100_CONTEXT(ctx)               ((r100ContextPtr)(ctx->DriverCtx))
 456
 457
 458 #define RADEON_OLD_PACKETS 1
 459
 460 extern void radeonDestroyContext(__DRIcontextPrivate * driContextPriv);
 461 extern GLboolean radeonCreateContext(const __GLcontextModes * glVisual,
 462                                      __DRIcontextPrivate * driContextPriv,
 463                                      void *sharedContextPrivate);
 464 extern GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 465                                    __DRIdrawablePrivate * driDrawPriv,
 466                                    __DRIdrawablePrivate * driReadPriv);
 467 extern GLboolean radeonUnbindContext(__DRIcontextPrivate * driContextPriv);
 468
 469
 470
 471 #endif                          /* __RADEON_CONTEXT_H__ */