src/mesa/drivers/dri/r300/r300_context.h

   1 /*
   2 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   3
   4 The Weather Channel (TM) funded Tungsten Graphics to develop the
   5 initial release of the Radeon 8500 driver under the XFree86 license.
   6 This notice must be preserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining
   9 a copy of this software and associated documentation files (the
  10 "Software"), to deal in the Software without restriction, including
  11 without limitation the rights to use, copy, modify, merge, publish,
  12 distribute, sublicense, and/or sell copies of the Software, and to
  13 permit persons to whom the Software is furnished to do so, subject to
  14 the following conditions:
  15
  16 The above copyright notice and this permission notice (including the
  17 next paragraph) shall be included in all copies or substantial
  18 portions of the Software.
  19
  20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 **************************************************************************/
  29
  30 /**
  31  * \file
  32  *
  33  * \author Keith Whitwell <keith@tungstengraphics.com>
  34  * \author Nicolai Haehnle <prefect_@gmx.net>
  35  */
  36
  37 #ifndef __R300_CONTEXT_H__
  38 #define __R300_CONTEXT_H__
  39
  40 #include "drm.h"
  41 #include "radeon_drm.h"
  42 #include "dri_util.h"
  43 #include "radeon_common.h"
  44
  45 #include "main/mtypes.h"
  46 #include "shader/prog_instruction.h"
  47
  48 struct r300_context;
  49 typedef struct r300_context r300ContextRec;
  50 typedef struct r300_context *r300ContextPtr;
  51
  52
  53 /* From http://gcc. gnu.org/onlinedocs/gcc-3.2.3/gcc/Variadic-Macros.html .
  54    I suppose we could inline this and use macro to fetch out __LINE__ and stuff in case we run into trouble
  55    with other compilers ... GLUE!
  56 */
  57 #define WARN_ONCE(a, ...)       { \
  58         static int warn##__LINE__=1; \
  59         if(warn##__LINE__){ \
  60                 fprintf(stderr, "*********************************WARN_ONCE*********************************\n"); \
  61                 fprintf(stderr, "File %s function %s line %d\n", \
  62                         __FILE__, __FUNCTION__, __LINE__); \
  63                 fprintf(stderr,  a, ## __VA_ARGS__);\
  64                 fprintf(stderr, "***************************************************************************\n"); \
  65                 warn##__LINE__=0;\
  66                 } \
  67         }
  68
  69 #include "r300_vertprog.h"
  70
  71
  72 /* The blit width for texture uploads
  73  */
  74 #define R300_BLIT_WIDTH_BYTES 1024
  75 #define R300_MAX_TEXTURE_UNITS 8
  76
  77
  78
  79 #define R300_VPT_CMD_0          0
  80 #define R300_VPT_XSCALE         1
  81 #define R300_VPT_XOFFSET        2
  82 #define R300_VPT_YSCALE         3
  83 #define R300_VPT_YOFFSET        4
  84 #define R300_VPT_ZSCALE         5
  85 #define R300_VPT_ZOFFSET        6
  86 #define R300_VPT_CMDSIZE        7
  87
  88 #define R300_VIR_CMD_0          0       /* vir is variable size (at least 1) */
  89 #define R300_VIR_CNTL_0         1
  90 #define R300_VIR_CNTL_1         2
  91 #define R300_VIR_CNTL_2         3
  92 #define R300_VIR_CNTL_3         4
  93 #define R300_VIR_CNTL_4         5
  94 #define R300_VIR_CNTL_5         6
  95 #define R300_VIR_CNTL_6         7
  96 #define R300_VIR_CNTL_7         8
  97 #define R300_VIR_CMDSIZE        9
  98
  99 #define R300_VIC_CMD_0          0
 100 #define R300_VIC_CNTL_0         1
 101 #define R300_VIC_CNTL_1         2
 102 #define R300_VIC_CMDSIZE        3
 103
 104 #define R300_VOF_CMD_0          0
 105 #define R300_VOF_CNTL_0         1
 106 #define R300_VOF_CNTL_1         2
 107 #define R300_VOF_CMDSIZE        3
 108
 109 #define R300_PVS_CMD_0          0
 110 #define R300_PVS_CNTL_1         1
 111 #define R300_PVS_CNTL_2         2
 112 #define R300_PVS_CNTL_3         3
 113 #define R300_PVS_CMDSIZE        4
 114
 115 #define R300_GB_MISC_CMD_0              0
 116 #define R300_GB_MISC_MSPOS_0            1
 117 #define R300_GB_MISC_MSPOS_1            2
 118 #define R300_GB_MISC_TILE_CONFIG        3
 119 #define R300_GB_MISC_CMDSIZE            4
 120 #define R300_GB_MISC2_CMD_0                 0
 121 #define R300_GB_MISC2_SELECT            1
 122 #define R300_GB_MISC2_AA_CONFIG         2
 123 #define R300_GB_MISC2_CMDSIZE           3
 124
 125 #define R300_TXE_CMD_0          0
 126 #define R300_TXE_ENABLE         1
 127 #define R300_TXE_CMDSIZE        2
 128
 129 #define R300_PS_CMD_0           0
 130 #define R300_PS_POINTSIZE       1
 131 #define R300_PS_CMDSIZE         2
 132
 133 #define R300_ZBS_CMD_0          0
 134 #define R300_ZBS_T_FACTOR       1
 135 #define R300_ZBS_T_CONSTANT     2
 136 #define R300_ZBS_W_FACTOR       3
 137 #define R300_ZBS_W_CONSTANT     4
 138 #define R300_ZBS_CMDSIZE        5
 139
 140 #define R300_CUL_CMD_0          0
 141 #define R300_CUL_CULL           1
 142 #define R300_CUL_CMDSIZE        2
 143
 144 #define R300_RC_CMD_0           0
 145 #define R300_RC_CNTL_0          1
 146 #define R300_RC_CNTL_1          2
 147 #define R300_RC_CMDSIZE         3
 148
 149 #define R300_RI_CMD_0           0
 150 #define R300_RI_INTERP_0        1
 151 #define R300_RI_INTERP_1        2
 152 #define R300_RI_INTERP_2        3
 153 #define R300_RI_INTERP_3        4
 154 #define R300_RI_INTERP_4        5
 155 #define R300_RI_INTERP_5        6
 156 #define R300_RI_INTERP_6        7
 157 #define R300_RI_INTERP_7        8
 158 #define R300_RI_CMDSIZE         9
 159
 160 #define R500_RI_CMDSIZE        17
 161
 162 #define R300_RR_CMD_0           0       /* rr is variable size (at least 1) */
 163 #define R300_RR_INST_0          1
 164 #define R300_RR_INST_1          2
 165 #define R300_RR_INST_2          3
 166 #define R300_RR_INST_3          4
 167 #define R300_RR_INST_4          5
 168 #define R300_RR_INST_5          6
 169 #define R300_RR_INST_6          7
 170 #define R300_RR_INST_7          8
 171 #define R300_RR_CMDSIZE         9
 172
 173 #define R300_FP_CMD_0           0
 174 #define R300_FP_CNTL0           1
 175 #define R300_FP_CNTL1           2
 176 #define R300_FP_CNTL2           3
 177 #define R300_FP_CMD_1           4
 178 #define R300_FP_NODE0           5
 179 #define R300_FP_NODE1           6
 180 #define R300_FP_NODE2           7
 181 #define R300_FP_NODE3           8
 182 #define R300_FP_CMDSIZE         9
 183
 184 #define R500_FP_CMD_0           0
 185 #define R500_FP_CNTL            1
 186 #define R500_FP_PIXSIZE         2
 187 #define R500_FP_CMD_1           3
 188 #define R500_FP_CODE_ADDR       4
 189 #define R500_FP_CODE_RANGE      5
 190 #define R500_FP_CODE_OFFSET     6
 191 #define R500_FP_CMD_2           7
 192 #define R500_FP_FC_CNTL         8
 193 #define R500_FP_CMDSIZE         9
 194
 195 #define R300_FPT_CMD_0          0
 196 #define R300_FPT_INSTR_0        1
 197 #define R300_FPT_CMDSIZE        65
 198
 199 #define R300_FPI_CMD_0          0
 200 #define R300_FPI_INSTR_0        1
 201 #define R300_FPI_CMDSIZE        65
 202 /* R500 has space for 512 instructions - 6 dwords per instruction */
 203 #define R500_FPI_CMDSIZE        (512*6+1)
 204
 205 #define R300_FPP_CMD_0          0
 206 #define R300_FPP_PARAM_0        1
 207 #define R300_FPP_CMDSIZE        (32*4+1)
 208 /* R500 has spcae for 256 constants - 4 dwords per constant */
 209 #define R500_FPP_CMDSIZE        (256*4+1)
 210
 211 #define R300_FOGS_CMD_0         0
 212 #define R300_FOGS_STATE         1
 213 #define R300_FOGS_CMDSIZE       2
 214
 215 #define R300_FOGC_CMD_0         0
 216 #define R300_FOGC_R             1
 217 #define R300_FOGC_G             2
 218 #define R300_FOGC_B             3
 219 #define R300_FOGC_CMDSIZE       4
 220
 221 #define R300_FOGP_CMD_0         0
 222 #define R300_FOGP_SCALE         1
 223 #define R300_FOGP_START         2
 224 #define R300_FOGP_CMDSIZE       3
 225
 226 #define R300_AT_CMD_0           0
 227 #define R300_AT_ALPHA_TEST      1
 228 #define R300_AT_UNKNOWN         2
 229 #define R300_AT_CMDSIZE         3
 230
 231 #define R300_BLD_CMD_0          0
 232 #define R300_BLD_CBLEND         1
 233 #define R300_BLD_ABLEND         2
 234 #define R300_BLD_CMDSIZE        3
 235
 236 #define R300_CMK_CMD_0          0
 237 #define R300_CMK_COLORMASK      1
 238 #define R300_CMK_CMDSIZE        2
 239
 240 #define R300_CB_CMD_0           0
 241 #define R300_CB_OFFSET          1
 242 #define R300_CB_CMD_1           2
 243 #define R300_CB_PITCH           3
 244 #define R300_CB_CMDSIZE         4
 245
 246 #define R300_ZS_CMD_0           0
 247 #define R300_ZS_CNTL_0          1
 248 #define R300_ZS_CNTL_1          2
 249 #define R300_ZS_CNTL_2          3
 250 #define R300_ZS_CMDSIZE         4
 251
 252 #define R300_ZB_CMD_0           0
 253 #define R300_ZB_OFFSET          1
 254 #define R300_ZB_PITCH           2
 255 #define R300_ZB_CMDSIZE         3
 256
 257 #define R300_VAP_CNTL_FLUSH     0
 258 #define R300_VAP_CNTL_FLUSH_1   1
 259 #define R300_VAP_CNTL_CMD       2
 260 #define R300_VAP_CNTL_INSTR     3
 261 #define R300_VAP_CNTL_SIZE      4
 262
 263 #define R300_VPI_CMD_0          0
 264 #define R300_VPI_INSTR_0        1
 265 #define R300_VPI_CMDSIZE        1025    /* 256 16 byte instructions */
 266
 267 #define R300_VPP_CMD_0          0
 268 #define R300_VPP_PARAM_0        1
 269 #define R300_VPP_CMDSIZE        1025    /* 256 4-component parameters */
 270
 271 #define R300_VPUCP_CMD_0                0
 272 #define R300_VPUCP_X            1
 273 #define R300_VPUCP_Y            2
 274 #define R300_VPUCP_Z            3
 275 #define R300_VPUCP_W            4
 276 #define R300_VPUCP_CMDSIZE      5       /* 256 4-component parameters */
 277
 278 #define R300_VPS_CMD_0          0
 279 #define R300_VPS_ZERO_0         1
 280 #define R300_VPS_ZERO_1         2
 281 #define R300_VPS_POINTSIZE      3
 282 #define R300_VPS_ZERO_3         4
 283 #define R300_VPS_CMDSIZE        5
 284
 285         /* the layout is common for all fields inside tex */
 286 #define R300_TEX_CMD_0          0
 287 #define R300_TEX_VALUE_0        1
 288 /* We don't really use this, instead specify mtu+1 dynamically
 289 #define R300_TEX_CMDSIZE        (MAX_TEXTURE_UNITS+1)
 290 */
 291
 292 /**
 293  * Cache for hardware register state.
 294  */
 295 struct r300_hw_state {
 296         struct radeon_state_atom vpt;   /* viewport (1D98) */
 297         struct radeon_state_atom vap_cntl;
 298         struct radeon_state_atom vap_index_offset; /* 0x208c r5xx only */
 299         struct radeon_state_atom vof;   /* VAP output format register 0x2090 */
 300         struct radeon_state_atom vte;   /* (20B0) */
 301         struct radeon_state_atom vap_vf_max_vtx_indx;   /* Maximum Vertex Indx Clamp (2134) */
 302         struct radeon_state_atom vap_cntl_status;
 303         struct radeon_state_atom vir[2];        /* vap input route (2150/21E0) */
 304         struct radeon_state_atom vic;   /* vap input control (2180) */
 305         struct radeon_state_atom vap_psc_sgn_norm_cntl; /* Programmable Stream Control Signed Normalize Control (21DC) */
 306         struct radeon_state_atom vap_clip_cntl;
 307         struct radeon_state_atom vap_clip;
 308         struct radeon_state_atom vap_pvs_vtx_timeout_reg;       /* Vertex timeout register (2288) */
 309         struct radeon_state_atom pvs;   /* pvs_cntl (22D0) */
 310         struct radeon_state_atom gb_enable;     /* (4008) */
 311         struct radeon_state_atom gb_misc;       /* Multisampling position shifts ? (4010) */
 312         struct radeon_state_atom gb_misc2;      /* Multisampling position shifts ? (4010) */
 313         struct radeon_state_atom ga_point_s0;   /* S Texture Coordinate of Vertex 0 for Point texture stuffing (LLC) (4200) */
 314         struct radeon_state_atom ga_triangle_stipple;   /* (4214) */
 315         struct radeon_state_atom ps;    /* pointsize (421C) */
 316         struct radeon_state_atom ga_point_minmax;       /* (4230) */
 317         struct radeon_state_atom lcntl; /* line control */
 318         struct radeon_state_atom ga_line_stipple;       /* (4260) */
 319         struct radeon_state_atom shade;
 320         struct radeon_state_atom shade2;
 321         struct radeon_state_atom polygon_mode;
 322         struct radeon_state_atom fogp;  /* fog parameters (4294) */
 323         struct radeon_state_atom ga_soft_reset; /* (429C) */
 324         struct radeon_state_atom zbias_cntl;
 325         struct radeon_state_atom zbs;   /* zbias (42A4) */
 326         struct radeon_state_atom occlusion_cntl;
 327         struct radeon_state_atom cul;   /* cull cntl (42B8) */
 328         struct radeon_state_atom su_depth_scale;        /* (42C0) */
 329         struct radeon_state_atom rc;    /* rs control (4300) */
 330         struct radeon_state_atom ri;    /* rs interpolators (4310) */
 331         struct radeon_state_atom rr;    /* rs route (4330) */
 332         struct radeon_state_atom sc_hyperz;     /* (43A4) */
 333         struct radeon_state_atom sc_screendoor; /* (43E8) */
 334         struct radeon_state_atom fp;    /* fragment program cntl + nodes (4600) */
 335         struct radeon_state_atom fpt;   /* texi - (4620) */
 336         struct radeon_state_atom us_out_fmt;    /* (46A4) */
 337         struct radeon_state_atom r500fp;        /* r500 fp instructions */
 338         struct radeon_state_atom r500fp_const;  /* r500 fp constants */
 339         struct radeon_state_atom fpi[4];        /* fp instructions (46C0/47C0/48C0/49C0) */
 340         struct radeon_state_atom fogs;  /* fog state (4BC0) */
 341         struct radeon_state_atom fogc;  /* fog color (4BC8) */
 342         struct radeon_state_atom at;    /* alpha test (4BD4) */
 343         struct radeon_state_atom fg_depth_src;  /* (4BD8) */
 344         struct radeon_state_atom fpp;   /* 0x4C00 and following */
 345         struct radeon_state_atom rb3d_cctl;     /* (4E00) */
 346         struct radeon_state_atom bld;   /* blending (4E04) */
 347         struct radeon_state_atom cmk;   /* colormask (4E0C) */
 348         struct radeon_state_atom blend_color;   /* constant blend color */
 349         struct radeon_state_atom rop;   /* ropcntl */
 350         struct radeon_state_atom cb;    /* colorbuffer (4E28) */
 351         struct radeon_state_atom rb3d_dither_ctl;       /* (4E50) */
 352         struct radeon_state_atom rb3d_aaresolve_ctl;    /* (4E88) */
 353         struct radeon_state_atom rb3d_discard_src_pixel_lte_threshold;  /* (4E88) I saw it only written on RV350 hardware..  */
 354         struct radeon_state_atom zs;    /* zstencil control (4F00) */
 355         struct radeon_state_atom zstencil_format;
 356         struct radeon_state_atom zb;    /* z buffer (4F20) */
 357         struct radeon_state_atom zb_depthclearvalue;    /* (4F28) */
 358         struct radeon_state_atom zb_zmask;      /* (4F30) */
 359         struct radeon_state_atom zb_hiz_offset; /* (4F44) */
 360         struct radeon_state_atom zb_hiz_pitch;  /* (4F54) */
 361
 362         struct radeon_state_atom vpi;   /* vp instructions */
 363         struct radeon_state_atom vpp;   /* vp parameters */
 364         struct radeon_state_atom vps;   /* vertex point size (?) */
 365         struct radeon_state_atom vpucp[6];      /* vp user clip plane - 6 */
 366         /* 8 texture units */
 367         /* the state is grouped by function and not by
 368            texture unit. This makes single unit updates
 369            really awkward - we are much better off
 370            updating the whole thing at once */
 371         struct {
 372                 struct radeon_state_atom filter;
 373                 struct radeon_state_atom filter_1;
 374                 struct radeon_state_atom size;
 375                 struct radeon_state_atom format;
 376                 struct radeon_state_atom pitch;
 377                 struct radeon_state_atom offset;
 378                 struct radeon_state_atom chroma_key;
 379                 struct radeon_state_atom border_color;
 380         } tex;
 381         struct radeon_state_atom txe;   /* tex enable (4104) */
 382
 383         radeonTexObj *textures[R300_MAX_TEXTURE_UNITS];
 384 };
 385
 386 /**
 387  * State cache
 388  */
 389
 390 /* Vertex shader state */
 391
 392 /* Perhaps more if we store programs in vmem? */
 393 /* drm_r300_cmd_header_t->vpu->count is unsigned char */
 394 #define VSF_MAX_FRAGMENT_LENGTH (255*4)
 395
 396 /* Can be tested with colormat currently. */
 397 #define VSF_MAX_FRAGMENT_TEMPS (14)
 398
 399 #define STATE_R300_WINDOW_DIMENSION (STATE_INTERNAL_DRIVER+0)
 400 #define STATE_R300_TEXRECT_FACTOR (STATE_INTERNAL_DRIVER+1)
 401
 402 #define COLOR_IS_RGBA
 403 #define TAG(x) r300##x
 404 #include "tnl_dd/t_dd_vertex.h"
 405 #undef TAG
 406
 407 struct r300_vertex_program {
 408         struct gl_vertex_program *Base;
 409         struct r300_vertex_program *next;
 410
 411         struct r300_vertex_program_key {
 412                 GLuint FpReads;
 413                 GLuint FogAttr;
 414                 GLuint WPosAttr;
 415         } key;
 416
 417         struct r300_vertex_shader_hw_code {
 418                 int length;
 419                 union {
 420                         GLuint d[VSF_MAX_FRAGMENT_LENGTH];
 421                         float f[VSF_MAX_FRAGMENT_LENGTH];
 422                 } body;
 423         } hw_code;
 424
 425         GLboolean translated;
 426         GLboolean error;
 427
 428         int pos_end;
 429         int num_temporaries;    /* Number of temp vars used by program */
 430         int inputs[VERT_ATTRIB_MAX];
 431         int outputs[VERT_RESULT_MAX];
 432 };
 433
 434 struct r300_vertex_program_cont {
 435         /* This is the unmodified vertex program mesa provided us with.
 436          * We need to keep it unchanged because we may need to create another
 437          * hw specific vertex program based on this.
 438          */
 439         struct gl_vertex_program mesa_program;
 440         /* This is the list of hw specific vertex programs derived from mesa_program */
 441         struct r300_vertex_program *progs;
 442 };
 443
 444 #define R300_PFS_MAX_ALU_INST   64
 445 #define R300_PFS_MAX_TEX_INST   32
 446 #define R300_PFS_MAX_TEX_INDIRECT 4
 447 #define R300_PFS_NUM_TEMP_REGS  32
 448 #define R300_PFS_NUM_CONST_REGS 32
 449
 450 #define R500_PFS_MAX_INST 512
 451 #define R500_PFS_NUM_TEMP_REGS 128
 452 #define R500_PFS_NUM_CONST_REGS 256
 453
 454 struct r300_pfs_compile_state;
 455 struct r500_pfs_compile_state;
 456
 457 /**
 458  * Stores state that influences the compilation of a fragment program.
 459  */
 460 struct r300_fragment_program_external_state {
 461         struct {
 462                 /**
 463                  * If the sampler is used as a shadow sampler,
 464                  * this field is:
 465                  *  0 - GL_LUMINANCE
 466                  *  1 - GL_INTENSITY
 467                  *  2 - GL_ALPHA
 468                  * depending on the depth texture mode.
 469                  */
 470                 GLuint depth_texture_mode : 2;
 471
 472                 /**
 473                  * If the sampler is used as a shadow sampler,
 474                  * this field is (texture_compare_func - GL_NEVER).
 475                  * [e.g. if compare function is GL_LEQUAL, this field is 3]
 476                  *
 477                  * Otherwise, this field is 0.
 478                  */
 479                 GLuint texture_compare_func : 3;
 480         } unit[16];
 481 };
 482
 483
 484 struct r300_fragment_program_node {
 485         int tex_offset; /**< first tex instruction */
 486         int tex_end; /**< last tex instruction, relative to tex_offset */
 487         int alu_offset; /**< first ALU instruction */
 488         int alu_end; /**< last ALU instruction, relative to alu_offset */
 489         int flags;
 490 };
 491
 492 /**
 493  * Stores an R300 fragment program in its compiled-to-hardware form.
 494  */
 495 struct r300_fragment_program_code {
 496         struct {
 497                 int length; /**< total # of texture instructions used */
 498                 GLuint inst[R300_PFS_MAX_TEX_INST];
 499         } tex;
 500
 501         struct {
 502                 int length; /**< total # of ALU instructions used */
 503                 struct {
 504                         GLuint inst0;
 505                         GLuint inst1;
 506                         GLuint inst2;
 507                         GLuint inst3;
 508                 } inst[R300_PFS_MAX_ALU_INST];
 509         } alu;
 510
 511         struct r300_fragment_program_node node[4];
 512         int cur_node;
 513         int first_node_has_tex;
 514
 515         /**
 516          * Remember which program register a given hardware constant
 517          * belongs to.
 518          */
 519         struct prog_src_register constant[R300_PFS_NUM_CONST_REGS];
 520         int const_nr;
 521
 522         int max_temp_idx;
 523 };
 524
 525
 526 struct r500_fragment_program_code {
 527         struct {
 528                 GLuint inst0;
 529                 GLuint inst1;
 530                 GLuint inst2;
 531                 GLuint inst3;
 532                 GLuint inst4;
 533                 GLuint inst5;
 534         } inst[R500_PFS_MAX_INST];
 535
 536         int inst_offset;
 537         int inst_end;
 538
 539         /**
 540          * Remember which program register a given hardware constant
 541          * belongs to.
 542          */
 543         struct prog_src_register constant[R500_PFS_NUM_CONST_REGS];
 544         int const_nr;
 545
 546         int max_temp_idx;
 547 };
 548
 549 /**
 550 * Store everything about a fragment program that is needed
 551 * to render with that program.
 552 */
 553 struct r300_fragment_program {
 554         struct gl_program *Base;
 555
 556         GLboolean translated;
 557         GLboolean error;
 558
 559         struct r300_fragment_program_external_state state;
 560         union rX00_fragment_program_code {
 561                 struct r300_fragment_program_code r300;
 562                 struct r500_fragment_program_code r500;
 563         } code;
 564
 565         GLboolean writes_depth;
 566         GLuint optimization;
 567
 568         struct r300_fragment_program *next;
 569
 570         /* attribute that we are sending the WPOS in */
 571         gl_frag_attrib wpos_attr;
 572         /* attribute that we are sending the fog coordinate in */
 573         gl_frag_attrib fog_attr;
 574 };
 575
 576 struct r300_fragment_program_cont {
 577         /* This is the unmodified fragment program mesa provided us with.
 578          * We need to keep it unchanged because we may need to create another
 579          * hw specific fragment program based on this.
 580          */
 581         struct gl_fragment_program Base;
 582         /* This is the list of hw specific fragment programs derived from Base */
 583         struct r300_fragment_program *progs;
 584 };
 585
 586 struct r300_fragment_program_compiler {
 587         r300ContextPtr r300;
 588         struct r300_fragment_program *fp;
 589         union rX00_fragment_program_code *code;
 590         struct gl_program *program;
 591 };
 592
 593 #define R300_MAX_AOS_ARRAYS             16
 594
 595
 596 /* r300_swtcl.c
 597  */
 598 struct r300_swtcl_info {
 599   /*
 600     * Offset of the 4UB color data within a hardware (swtcl) vertex.
 601     */
 602    GLuint coloroffset;
 603
 604    /**
 605     * Offset of the 3UB specular color data within a hardware (swtcl) vertex.
 606     */
 607    GLuint specoffset;
 608 };
 609
 610 struct r300_vtable {
 611         void (* SetupRSUnit)(GLcontext *ctx);
 612         void (* SetupFragmentShaderTextures)(GLcontext *ctx, int *tmu_mappings);
 613         GLboolean (* BuildFragmentProgramHwCode)(struct r300_fragment_program_compiler *compiler);
 614         void (* FragmentProgramDump)(union rX00_fragment_program_code *code);
 615         void (* SetupPixelShader)(GLcontext *ctx);
 616 };
 617
 618 struct r300_vertex_buffer {
 619         struct vertex_attribute {
 620                 /* generic */
 621                 GLubyte element;
 622                 GLvoid *data;
 623                 GLboolean free_needed;
 624                 GLuint stride;
 625                 GLuint dwords;
 626                 GLubyte size; /* number of components */
 627
 628                 /* hw specific */
 629                 uint32_t data_type:4;
 630                 uint32_t dst_loc:5;
 631                 uint32_t _signed:1;
 632                 uint32_t normalize:1;
 633                 uint32_t swizzle:12;
 634                 uint32_t write_mask:4;
 635         } attribs[VERT_ATTRIB_MAX];
 636
 637         GLubyte num_attribs;
 638 };
 639
 640 struct r300_index_buffer {
 641         GLvoid *ptr;
 642         GLboolean is_32bit;
 643         GLboolean free_needed;
 644         GLuint count;
 645 };
 646
 647 /**
 648  * \brief R300 context structure.
 649  */
 650 struct r300_context {
 651         struct radeon_context radeon;   /* parent class, must be first */
 652
 653         struct r300_vtable vtbl;
 654
 655         struct r300_hw_state hw;
 656
 657         struct r300_vertex_program *selected_vp;
 658         struct r300_fragment_program *selected_fp;
 659
 660         /* Vertex buffers
 661          */
 662         GLvector4f dummy_attrib[_TNL_ATTRIB_MAX];
 663         GLvector4f *temp_attrib[_TNL_ATTRIB_MAX];
 664
 665         struct r300_options {
 666                 uint32_t conformance_mode:1;
 667                 uint32_t hw_tcl_enabled:1;
 668                 uint32_t s3tc_force_enabled:1;
 669                 uint32_t s3tc_force_disabled:1;
 670                 uint32_t stencil_two_side_disabled:1;
 671         } options;
 672
 673         struct r300_swtcl_info swtcl;
 674         struct r300_vertex_buffer vbuf;
 675         struct r300_index_buffer ind_buf;
 676         GLboolean vap_flush_needed;
 677
 678         uint32_t fallback;
 679
 680         DECLARE_RENDERINPUTS(render_inputs_bitset);
 681 };
 682
 683 #define R300_CONTEXT(ctx)               ((r300ContextPtr)(ctx->DriverCtx))
 684
 685 extern void r300DestroyContext(__DRIcontextPrivate * driContextPriv);
 686 extern GLboolean r300CreateContext(const __GLcontextModes * glVisual,
 687                                    __DRIcontextPrivate * driContextPriv,
 688                                    void *sharedContextPrivate);
 689
 690 extern void r300InitShaderFuncs(struct dd_function_table *functions);
 691
 692 extern void r300InitShaderFunctions(r300ContextPtr r300);
 693
 694 extern void r300InitDraw(GLcontext *ctx);
 695
 696 #define r300PackFloat32 radeonPackFloat32
 697 #define r300PackFloat24 radeonPackFloat24
 698
 699 #endif                          /* __R300_CONTEXT_H__ */