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      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 (at) valinux.com>
     38  *   Keith Whitwell <keith (at) tungstengraphics.com>
     39  *   Kevin E. Martin <martin (at) valinux.com>
     40  *   Nicolai Haehnle <prefect_ (at) 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 "main/macros.h"
     51 #include "main/mtypes.h"
     52 #include "main/colormac.h"
     53 #include "radeon_screen.h"
     54 
     55 #include "radeon_common.h"
     56 
     57 
     58 struct r100_context;
     59 typedef struct r100_context r100ContextRec;
     60 typedef struct r100_context *r100ContextPtr;
     61 
     62 
     63 
     64 #define R100_TEX_ALL 0x7
     65 
     66 /* used for both tcl_vtx and vc_frmt tex bits (they are identical) */
     67 #define RADEON_ST_BIT(unit) \
     68 (unit == 0 ? RADEON_CP_VC_FRMT_ST0 : (RADEON_CP_VC_FRMT_ST1 >> 2) << (2 * unit))
     69 
     70 #define RADEON_Q_BIT(unit) \
     71 (unit == 0 ? RADEON_CP_VC_FRMT_Q0 : (RADEON_CP_VC_FRMT_Q1 >> 2) << (2 * unit))
     72 
     73 struct radeon_texture_env_state {
     74 	radeonTexObjPtr texobj;
     75 	GLenum format;
     76 	GLenum envMode;
     77 };
     78 
     79 struct radeon_texture_state {
     80 	struct radeon_texture_env_state unit[RADEON_MAX_TEXTURE_UNITS];
     81 };
     82 
     83 /* Trying to keep these relatively short as the variables are becoming
     84  * extravagently long.  Drop the driver name prefix off the front of
     85  * everything - I think we know which driver we're in by now, and keep the
     86  * prefix to 3 letters unless absolutely impossible.
     87  */
     88 
     89 #define CTX_CMD_0             0
     90 #define CTX_PP_MISC           1
     91 #define CTX_PP_FOG_COLOR      2
     92 #define CTX_RE_SOLID_COLOR    3
     93 #define CTX_RB3D_BLENDCNTL    4
     94 #define CTX_RB3D_DEPTHOFFSET  5
     95 #define CTX_RB3D_DEPTHPITCH   6
     96 #define CTX_RB3D_ZSTENCILCNTL 7
     97 #define CTX_CMD_1             8
     98 #define CTX_PP_CNTL           9
     99 #define CTX_RB3D_CNTL         10
    100 #define CTX_RB3D_COLOROFFSET  11
    101 #define CTX_CMD_2             12
    102 #define CTX_RB3D_COLORPITCH   13
    103 #define CTX_STATE_SIZE        14
    104 
    105 #define SET_CMD_0               0
    106 #define SET_SE_CNTL             1
    107 #define SET_SE_COORDFMT         2
    108 #define SET_CMD_1               3
    109 #define SET_SE_CNTL_STATUS      4
    110 #define SET_STATE_SIZE          5
    111 
    112 #define LIN_CMD_0               0
    113 #define LIN_RE_LINE_PATTERN     1
    114 #define LIN_RE_LINE_STATE       2
    115 #define LIN_CMD_1               3
    116 #define LIN_SE_LINE_WIDTH       4
    117 #define LIN_STATE_SIZE          5
    118 
    119 #define MSK_CMD_0               0
    120 #define MSK_RB3D_STENCILREFMASK 1
    121 #define MSK_RB3D_ROPCNTL        2
    122 #define MSK_RB3D_PLANEMASK      3
    123 #define MSK_STATE_SIZE          4
    124 
    125 #define VPT_CMD_0           0
    126 #define VPT_SE_VPORT_XSCALE          1
    127 #define VPT_SE_VPORT_XOFFSET         2
    128 #define VPT_SE_VPORT_YSCALE          3
    129 #define VPT_SE_VPORT_YOFFSET         4
    130 #define VPT_SE_VPORT_ZSCALE          5
    131 #define VPT_SE_VPORT_ZOFFSET         6
    132 #define VPT_STATE_SIZE      7
    133 
    134 #define MSC_CMD_0               0
    135 #define MSC_RE_MISC             1
    136 #define MSC_STATE_SIZE          2
    137 
    138 #define TEX_CMD_0                   0
    139 #define TEX_PP_TXFILTER             1
    140 #define TEX_PP_TXFORMAT             2
    141 #define TEX_PP_TXOFFSET             3
    142 #define TEX_PP_TXCBLEND             4
    143 #define TEX_PP_TXABLEND             5
    144 #define TEX_PP_TFACTOR              6
    145 #define TEX_CMD_1                   7
    146 #define TEX_PP_BORDER_COLOR         8
    147 #define TEX_STATE_SIZE              9
    148 
    149 #define TXR_CMD_0                   0	/* rectangle textures */
    150 #define TXR_PP_TEX_SIZE             1	/* 0x1d04, 0x1d0c for NPOT! */
    151 #define TXR_PP_TEX_PITCH            2	/* 0x1d08, 0x1d10 for NPOT! */
    152 #define TXR_STATE_SIZE              3
    153 
    154 #define CUBE_CMD_0                  0
    155 #define CUBE_PP_CUBIC_FACES         1
    156 #define CUBE_CMD_1                  2
    157 #define CUBE_PP_CUBIC_OFFSET_0      3
    158 #define CUBE_PP_CUBIC_OFFSET_1      4
    159 #define CUBE_PP_CUBIC_OFFSET_2      5
    160 #define CUBE_PP_CUBIC_OFFSET_3      6
    161 #define CUBE_PP_CUBIC_OFFSET_4      7
    162 #define CUBE_STATE_SIZE             8
    163 
    164 #define ZBS_CMD_0              0
    165 #define ZBS_SE_ZBIAS_FACTOR             1
    166 #define ZBS_SE_ZBIAS_CONSTANT           2
    167 #define ZBS_STATE_SIZE         3
    168 
    169 #define TCL_CMD_0                        0
    170 #define TCL_OUTPUT_VTXFMT         1
    171 #define TCL_OUTPUT_VTXSEL         2
    172 #define TCL_MATRIX_SELECT_0       3
    173 #define TCL_MATRIX_SELECT_1       4
    174 #define TCL_UCP_VERT_BLEND_CTL    5
    175 #define TCL_TEXTURE_PROC_CTL      6
    176 #define TCL_LIGHT_MODEL_CTL       7
    177 #define TCL_PER_LIGHT_CTL_0       8
    178 #define TCL_PER_LIGHT_CTL_1       9
    179 #define TCL_PER_LIGHT_CTL_2       10
    180 #define TCL_PER_LIGHT_CTL_3       11
    181 #define TCL_STATE_SIZE                   12
    182 
    183 #define MTL_CMD_0            0
    184 #define MTL_EMMISSIVE_RED    1
    185 #define MTL_EMMISSIVE_GREEN  2
    186 #define MTL_EMMISSIVE_BLUE   3
    187 #define MTL_EMMISSIVE_ALPHA  4
    188 #define MTL_AMBIENT_RED      5
    189 #define MTL_AMBIENT_GREEN    6
    190 #define MTL_AMBIENT_BLUE     7
    191 #define MTL_AMBIENT_ALPHA    8
    192 #define MTL_DIFFUSE_RED      9
    193 #define MTL_DIFFUSE_GREEN    10
    194 #define MTL_DIFFUSE_BLUE     11
    195 #define MTL_DIFFUSE_ALPHA    12
    196 #define MTL_SPECULAR_RED     13
    197 #define MTL_SPECULAR_GREEN   14
    198 #define MTL_SPECULAR_BLUE    15
    199 #define MTL_SPECULAR_ALPHA   16
    200 #define MTL_SHININESS        17
    201 #define MTL_STATE_SIZE       18
    202 
    203 #define VTX_CMD_0              0
    204 #define VTX_SE_COORD_FMT       1
    205 #define VTX_STATE_SIZE         2
    206 
    207 #define MAT_CMD_0              0
    208 #define MAT_ELT_0              1
    209 #define MAT_STATE_SIZE         17
    210 
    211 #define GRD_CMD_0                  0
    212 #define GRD_VERT_GUARD_CLIP_ADJ    1
    213 #define GRD_VERT_GUARD_DISCARD_ADJ 2
    214 #define GRD_HORZ_GUARD_CLIP_ADJ    3
    215 #define GRD_HORZ_GUARD_DISCARD_ADJ 4
    216 #define GRD_STATE_SIZE             5
    217 
    218 /* position changes frequently when lighting in modelpos - separate
    219  * out to new state item?
    220  */
    221 #define LIT_CMD_0                  0
    222 #define LIT_AMBIENT_RED            1
    223 #define LIT_AMBIENT_GREEN          2
    224 #define LIT_AMBIENT_BLUE           3
    225 #define LIT_AMBIENT_ALPHA          4
    226 #define LIT_DIFFUSE_RED            5
    227 #define LIT_DIFFUSE_GREEN          6
    228 #define LIT_DIFFUSE_BLUE           7
    229 #define LIT_DIFFUSE_ALPHA          8
    230 #define LIT_SPECULAR_RED           9
    231 #define LIT_SPECULAR_GREEN         10
    232 #define LIT_SPECULAR_BLUE          11
    233 #define LIT_SPECULAR_ALPHA         12
    234 #define LIT_POSITION_X             13
    235 #define LIT_POSITION_Y             14
    236 #define LIT_POSITION_Z             15
    237 #define LIT_POSITION_W             16
    238 #define LIT_DIRECTION_X            17
    239 #define LIT_DIRECTION_Y            18
    240 #define LIT_DIRECTION_Z            19
    241 #define LIT_DIRECTION_W            20
    242 #define LIT_ATTEN_QUADRATIC        21
    243 #define LIT_ATTEN_LINEAR           22
    244 #define LIT_ATTEN_CONST            23
    245 #define LIT_ATTEN_XXX              24
    246 #define LIT_CMD_1                  25
    247 #define LIT_SPOT_DCD               26
    248 #define LIT_SPOT_EXPONENT          27
    249 #define LIT_SPOT_CUTOFF            28
    250 #define LIT_SPECULAR_THRESH        29
    251 #define LIT_RANGE_CUTOFF           30	/* ? */
    252 #define LIT_ATTEN_CONST_INV        31
    253 #define LIT_STATE_SIZE             32
    254 
    255 /* Fog
    256  */
    257 #define FOG_CMD_0      0
    258 #define FOG_R          1
    259 #define FOG_C          2
    260 #define FOG_D          3
    261 #define FOG_PAD        4
    262 #define FOG_STATE_SIZE 5
    263 
    264 /* UCP
    265  */
    266 #define UCP_CMD_0      0
    267 #define UCP_X          1
    268 #define UCP_Y          2
    269 #define UCP_Z          3
    270 #define UCP_W          4
    271 #define UCP_STATE_SIZE 5
    272 
    273 /* GLT - Global ambient
    274  */
    275 #define GLT_CMD_0      0
    276 #define GLT_RED        1
    277 #define GLT_GREEN      2
    278 #define GLT_BLUE       3
    279 #define GLT_ALPHA      4
    280 #define GLT_STATE_SIZE 5
    281 
    282 /* EYE
    283  */
    284 #define EYE_CMD_0          0
    285 #define EYE_X              1
    286 #define EYE_Y              2
    287 #define EYE_Z              3
    288 #define EYE_RESCALE_FACTOR 4
    289 #define EYE_STATE_SIZE     5
    290 
    291 #define SHN_CMD_0          0
    292 #define SHN_SHININESS      1
    293 #define SHN_STATE_SIZE     2
    294 
    295 #define R100_QUERYOBJ_CMD_0  0
    296 #define R100_QUERYOBJ_DATA_0 1
    297 #define R100_QUERYOBJ_CMDSIZE  2
    298 
    299 #define STP_CMD_0 0
    300 #define STP_DATA_0 1
    301 #define STP_CMD_1 2
    302 #define STP_STATE_SIZE 35
    303 
    304 struct r100_hw_state {
    305 	/* Hardware state, stored as cmdbuf commands:
    306 	 *   -- Need to doublebuffer for
    307 	 *           - eliding noop statechange loops? (except line stipple count)
    308 	 */
    309 	struct radeon_state_atom ctx;
    310 	struct radeon_state_atom set;
    311 	struct radeon_state_atom lin;
    312 	struct radeon_state_atom msk;
    313 	struct radeon_state_atom vpt;
    314 	struct radeon_state_atom tcl;
    315 	struct radeon_state_atom msc;
    316 	struct radeon_state_atom tex[3];
    317 	struct radeon_state_atom cube[3];
    318 	struct radeon_state_atom zbs;
    319 	struct radeon_state_atom mtl;
    320 	struct radeon_state_atom mat[6];
    321 	struct radeon_state_atom lit[8];	/* includes vec, scl commands */
    322 	struct radeon_state_atom ucp[6];
    323 	struct radeon_state_atom eye;	/* eye pos */
    324 	struct radeon_state_atom grd;	/* guard band clipping */
    325 	struct radeon_state_atom fog;
    326 	struct radeon_state_atom glt;
    327 	struct radeon_state_atom txr[3];	/* for NPOT */
    328 	struct radeon_state_atom stp;
    329 };
    330 
    331 struct radeon_stipple_state {
    332 	GLuint mask[32];
    333 };
    334 
    335 struct r100_state {
    336 	struct radeon_stipple_state stipple;
    337 	struct radeon_texture_state texture;
    338 };
    339 
    340 #define RADEON_CMD_BUF_SZ  (8*1024)
    341 #define R200_ELT_BUF_SZ  (8*1024)
    342 /* radeon_tcl.c
    343  */
    344 struct r100_tcl_info {
    345 	GLuint vertex_format;
    346 	GLuint hw_primitive;
    347 
    348 	/* Temporary for cases where incoming vertex data is incompatible
    349 	 * with maos code.
    350 	 */
    351 	GLvector4f ObjClean;
    352 
    353 	GLuint *Elts;
    354 
    355         int elt_cmd_offset;
    356 	int elt_cmd_start;
    357         int elt_used;
    358 };
    359 
    360 /* radeon_swtcl.c
    361  */
    362 struct r100_swtcl_info {
    363 	GLuint vertex_format;
    364 
    365 	GLubyte *verts;
    366 
    367 	/* Fallback rasterization functions
    368 	 */
    369 	radeon_point_func draw_point;
    370 	radeon_line_func draw_line;
    371 	radeon_tri_func draw_tri;
    372 
    373    /**
    374     * Offset of the 4UB color data within a hardware (swtcl) vertex.
    375     */
    376 	GLuint coloroffset;
    377 
    378    /**
    379     * Offset of the 3UB specular color data within a hardware (swtcl) vertex.
    380     */
    381 	GLuint specoffset;
    382 
    383 	GLboolean needproj;
    384 };
    385 
    386 
    387 
    388 /* A maximum total of 20 elements per vertex:  3 floats for position, 3
    389  * floats for normal, 4 floats for color, 4 bytes for secondary color,
    390  * 3 floats for each texture unit (9 floats total).
    391  *
    392  * The position data is never actually stored here, so 3 elements could be
    393  * trimmed out of the buffer. This number is only valid for vtxfmt!
    394  */
    395 #define RADEON_MAX_VERTEX_SIZE 20
    396 
    397 struct r100_context {
    398         struct radeon_context radeon;
    399 
    400 	/* Driver and hardware state management
    401 	 */
    402 	struct r100_hw_state hw;
    403 	struct r100_state state;
    404 
    405 	/* Vertex buffers
    406 	 */
    407 	struct radeon_ioctl ioctl;
    408 	struct radeon_store store;
    409 
    410 	/* TCL stuff
    411 	 */
    412 	GLmatrix TexGenMatrix[RADEON_MAX_TEXTURE_UNITS];
    413 	GLboolean recheck_texgen[RADEON_MAX_TEXTURE_UNITS];
    414 	GLboolean TexGenNeedNormals[RADEON_MAX_TEXTURE_UNITS];
    415 	GLuint TexGenEnabled;
    416 	GLuint NeedTexMatrix;
    417 	GLuint TexMatColSwap;
    418 	GLmatrix tmpmat[RADEON_MAX_TEXTURE_UNITS];
    419 	GLuint last_ReallyEnabled;
    420 
    421 	/* radeon_tcl.c
    422 	 */
    423 	struct r100_tcl_info tcl;
    424 
    425 	/* radeon_swtcl.c
    426 	 */
    427 	struct r100_swtcl_info swtcl;
    428 
    429 	GLboolean using_hyperz;
    430 	GLboolean texmicrotile;
    431 
    432 	/* Performance counters
    433 	 */
    434 	GLuint boxes;		/* Draw performance boxes */
    435 	GLuint hardwareWentIdle;
    436 	GLuint c_clears;
    437 	GLuint c_drawWaits;
    438 	GLuint c_textureSwaps;
    439 	GLuint c_textureBytes;
    440 	GLuint c_vertexBuffers;
    441 
    442 };
    443 
    444 
    445 #define R100_CONTEXT(ctx)		((r100ContextPtr)(ctx->DriverCtx))
    446 
    447 
    448 #define RADEON_OLD_PACKETS 1
    449 
    450 extern GLboolean r100CreateContext( gl_api api,
    451 				    const struct gl_config *glVisual,
    452 				    __DRIcontext *driContextPriv,
    453 				    unsigned major_version,
    454 				    unsigned minor_version,
    455 				    uint32_t flags,
    456 				    unsigned *error,
    457 				    void *sharedContextPrivate);
    458 
    459 
    460 #endif				/* __RADEON_CONTEXT_H__ */
    461