src/mesa/drivers/dri/i915/i915_context.h

   1  /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef I915CONTEXT_INC
  29 #define I915CONTEXT_INC
  30
  31 #include "intel_context.h"
  32 #include "i915_reg.h"
  33
  34 #define I915_FALLBACK_TEXTURE            0x1000
  35 #define I915_FALLBACK_COLORMASK          0x2000
  36 #define I915_FALLBACK_STENCIL            0x4000
  37 #define I915_FALLBACK_STIPPLE            0x8000
  38 #define I915_FALLBACK_PROGRAM            0x10000
  39 #define I915_FALLBACK_LOGICOP            0x20000
  40 #define I915_FALLBACK_POLYGON_SMOOTH     0x40000
  41 #define I915_FALLBACK_POINT_SMOOTH       0x80000
  42
  43 #define I915_UPLOAD_CTX              0x1
  44 #define I915_UPLOAD_BUFFERS          0x2
  45 #define I915_UPLOAD_STIPPLE          0x4
  46 #define I915_UPLOAD_PROGRAM          0x8
  47 #define I915_UPLOAD_CONSTANTS        0x10
  48 #define I915_UPLOAD_FOG              0x20
  49 #define I915_UPLOAD_INVARIENT        0x40
  50 #define I915_UPLOAD_DEFAULTS         0x80
  51 #define I915_UPLOAD_RASTER_RULES     0x100
  52 #define I915_UPLOAD_TEX(i)           (0x00010000<<(i))
  53 #define I915_UPLOAD_TEX_ALL          (0x00ff0000)
  54 #define I915_UPLOAD_TEX_0_SHIFT      16
  55
  56
  57 /* State structure offsets - these will probably disappear.
  58  */
  59 #define I915_DESTREG_CBUFADDR0 0
  60 #define I915_DESTREG_CBUFADDR1 1
  61 #define I915_DESTREG_DBUFADDR0 3
  62 #define I915_DESTREG_DBUFADDR1 4
  63 #define I915_DESTREG_DV0 6
  64 #define I915_DESTREG_DV1 7
  65 #define I915_DESTREG_SENABLE 8
  66 #define I915_DESTREG_SR0 9
  67 #define I915_DESTREG_SR1 10
  68 #define I915_DESTREG_SR2 11
  69 #define I915_DESTREG_DRAWRECT0 12
  70 #define I915_DESTREG_DRAWRECT1 13
  71 #define I915_DESTREG_DRAWRECT2 14
  72 #define I915_DESTREG_DRAWRECT3 15
  73 #define I915_DESTREG_DRAWRECT4 16
  74 #define I915_DESTREG_DRAWRECT5 17
  75 #define I915_DEST_SETUP_SIZE 18
  76
  77 #define I915_CTXREG_STATE4              0
  78 #define I915_CTXREG_LI                  1
  79 #define I915_CTXREG_LIS2                        2
  80 #define I915_CTXREG_LIS4                        3
  81 #define I915_CTXREG_LIS5                        4
  82 #define I915_CTXREG_LIS6                        5
  83 #define I915_CTXREG_IAB                 6
  84 #define I915_CTXREG_BLENDCOLOR0         7
  85 #define I915_CTXREG_BLENDCOLOR1         8
  86 #define I915_CTXREG_BF_STENCIL_OPS      9
  87 #define I915_CTXREG_BF_STENCIL_MASKS    10
  88 #define I915_CTX_SETUP_SIZE             11
  89
  90 #define I915_FOGREG_COLOR               0
  91 #define I915_FOGREG_MODE0               1
  92 #define I915_FOGREG_MODE1               2
  93 #define I915_FOGREG_MODE2               3
  94 #define I915_FOGREG_MODE3               4
  95 #define I915_FOG_SETUP_SIZE             5
  96
  97 #define I915_STPREG_ST0        0
  98 #define I915_STPREG_ST1        1
  99 #define I915_STP_SETUP_SIZE    2
 100
 101 #define I915_TEXREG_MS3        1
 102 #define I915_TEXREG_MS4        2
 103 #define I915_TEXREG_SS2        3
 104 #define I915_TEXREG_SS3        4
 105 #define I915_TEXREG_SS4        5
 106 #define I915_TEX_SETUP_SIZE    6
 107
 108 #define I915_DEFREG_C0    0
 109 #define I915_DEFREG_C1    1
 110 #define I915_DEFREG_S0    2
 111 #define I915_DEFREG_S1    3
 112 #define I915_DEFREG_Z0    4
 113 #define I915_DEFREG_Z1    5
 114 #define I915_DEF_SETUP_SIZE    6
 115
 116 enum {
 117    I915_RASTER_RULES,
 118    I915_RASTER_RULES_SETUP_SIZE,
 119 };
 120
 121 #define I915_MAX_CONSTANT      32
 122 #define I915_CONSTANT_SIZE     (2+(4*I915_MAX_CONSTANT))
 123
 124
 125 #define I915_PROGRAM_SIZE      192
 126
 127 #define I915_MAX_INSN          (I915_MAX_TEX_INSN+I915_MAX_ALU_INSN)
 128
 129 /* Hardware version of a parsed fragment program.  "Derived" from the
 130  * mesa fragment_program struct.
 131  */
 132 struct i915_fragment_program
 133 {
 134    struct gl_fragment_program FragProg;
 135
 136    GLboolean translated;
 137    GLboolean params_uptodate;
 138    GLboolean on_hardware;
 139    GLboolean error;             /* If program is malformed for any reason. */
 140
 141    /** Record of which phases R registers were last written in. */
 142    GLuint register_phases[16];
 143    GLuint indirections;
 144    GLuint nr_tex_indirect;
 145    GLuint nr_tex_insn;
 146    GLuint nr_alu_insn;
 147    GLuint nr_decl_insn;
 148
 149
 150
 151
 152    /* TODO: split between the stored representation of a program and
 153     * the state used to build that representation.
 154     */
 155    GLcontext *ctx;
 156
 157    GLuint declarations[I915_PROGRAM_SIZE];
 158    GLuint program[I915_PROGRAM_SIZE];
 159
 160    GLfloat constant[I915_MAX_CONSTANT][4];
 161    GLuint constant_flags[I915_MAX_CONSTANT];
 162    GLuint nr_constants;
 163
 164    GLuint *csr;                 /* Cursor, points into program.
 165                                  */
 166
 167    GLuint *decl;                /* Cursor, points into declarations.
 168                                  */
 169
 170    GLuint decl_s;               /* flags for which s regs need to be decl'd */
 171    GLuint decl_t;               /* flags for which t regs need to be decl'd */
 172
 173    GLuint temp_flag;            /* Tracks temporary regs which are in
 174                                  * use.
 175                                  */
 176
 177    GLuint utemp_flag;           /* Tracks TYPE_U temporary regs which are in
 178                                  * use.
 179                                  */
 180
 181
 182    /* Track which R registers are "live" for each instruction.
 183     * A register is live between the time it's written to and the last time
 184     * it's read. */
 185    GLuint usedRegs[I915_MAX_INSN];
 186
 187    /* Helpers for i915_fragprog.c:
 188     */
 189    GLuint wpos_tex;
 190    GLboolean depth_written;
 191
 192    struct
 193    {
 194       GLuint reg;               /* Hardware constant idx */
 195       const GLfloat *values;    /* Pointer to tracked values */
 196    } param[I915_MAX_CONSTANT];
 197    GLuint nr_params;
 198 };
 199
 200
 201
 202
 203
 204
 205
 206 #define I915_TEX_UNITS 8
 207
 208
 209 struct i915_hw_state
 210 {
 211    GLuint Ctx[I915_CTX_SETUP_SIZE];
 212    GLuint Buffer[I915_DEST_SETUP_SIZE];
 213    GLuint Stipple[I915_STP_SETUP_SIZE];
 214    GLuint Fog[I915_FOG_SETUP_SIZE];
 215    GLuint Defaults[I915_DEF_SETUP_SIZE];
 216    GLuint RasterRules[I915_RASTER_RULES_SETUP_SIZE];
 217    GLuint Tex[I915_TEX_UNITS][I915_TEX_SETUP_SIZE];
 218    GLuint Constant[I915_CONSTANT_SIZE];
 219    GLuint ConstantSize;
 220    GLuint Program[I915_PROGRAM_SIZE];
 221    GLuint ProgramSize;
 222
 223    /* Region pointers for relocation:
 224     */
 225    struct intel_region *draw_region;
 226    struct intel_region *depth_region;
 227 /*    struct intel_region *tex_region[I915_TEX_UNITS]; */
 228
 229    /* Regions aren't actually that appropriate here as the memory may
 230     * be from a PBO or FBO.  Will have to do this for draw and depth for
 231     * FBO's...
 232     */
 233    dri_bo *tex_buffer[I915_TEX_UNITS];
 234    GLuint tex_offset[I915_TEX_UNITS];
 235
 236
 237    GLuint active;               /* I915_UPLOAD_* */
 238    GLuint emitted;              /* I915_UPLOAD_* */
 239 };
 240
 241 #define I915_FOG_PIXEL  2
 242 #define I915_FOG_VERTEX 1
 243 #define I915_FOG_NONE   0
 244
 245 struct i915_context
 246 {
 247    struct intel_context intel;
 248
 249    GLuint last_ReallyEnabled;
 250    GLuint vertex_fog;
 251    GLuint lodbias_ss2[MAX_TEXTURE_UNITS];
 252
 253
 254    struct i915_fragment_program *current_program;
 255
 256    struct i915_hw_state meta, initial, state, *current;
 257 };
 258
 259
 260 #define I915_STATECHANGE(i915, flag)                                    \
 261 do {                                                                    \
 262    INTEL_FIREVERTICES( &(i915)->intel );                                        \
 263    (i915)->state.emitted &= ~(flag);                                    \
 264 } while (0)
 265
 266 #define I915_ACTIVESTATE(i915, flag, mode)                      \
 267 do {                                                            \
 268    INTEL_FIREVERTICES( &(i915)->intel );                                \
 269    if (mode)                                                    \
 270       (i915)->state.active |= (flag);                           \
 271    else                                                         \
 272       (i915)->state.active &= ~(flag);                          \
 273 } while (0)
 274
 275
 276 /*======================================================================
 277  * i915_vtbl.c
 278  */
 279 extern void i915InitVtbl(struct i915_context *i915);
 280
 281 extern void
 282 i915_state_draw_region(struct intel_context *intel,
 283                        struct i915_hw_state *state,
 284                        struct intel_region *color_region,
 285                        struct intel_region *depth_region);
 286
 287
 288
 289 #define SZ_TO_HW(sz)  ((sz-2)&0x3)
 290 #define EMIT_SZ(sz)   (EMIT_1F + (sz) - 1)
 291 #define EMIT_ATTR( ATTR, STYLE, S4, SZ )                                \
 292 do {                                                                    \
 293    intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR);       \
 294    intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE);      \
 295    s4 |= S4;                                                            \
 296    intel->vertex_attr_count++;                                          \
 297    offset += (SZ);                                                      \
 298 } while (0)
 299
 300 #define EMIT_PAD( N )                                                   \
 301 do {                                                                    \
 302    intel->vertex_attrs[intel->vertex_attr_count].attrib = 0;            \
 303    intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD;     \
 304    intel->vertex_attrs[intel->vertex_attr_count].offset = (N);          \
 305    intel->vertex_attr_count++;                                          \
 306    offset += (N);                                                       \
 307 } while (0)
 308
 309
 310
 311 /*======================================================================
 312  * i915_context.c
 313  */
 314 extern GLboolean i915CreateContext(const __GLcontextModes * mesaVis,
 315                                    __DRIcontextPrivate * driContextPriv,
 316                                    void *sharedContextPrivate);
 317
 318
 319 /*======================================================================
 320  * i915_debug.c
 321  */
 322 extern void i915_disassemble_program(const GLuint * program, GLuint sz);
 323 extern void i915_print_ureg(const char *msg, GLuint ureg);
 324
 325
 326 /*======================================================================
 327  * i915_state.c
 328  */
 329 extern void i915InitStateFunctions(struct dd_function_table *functions);
 330 extern void i915InitState(struct i915_context *i915);
 331 extern void i915_update_fog(GLcontext * ctx);
 332 extern void i915_update_stencil(GLcontext * ctx);
 333 extern void i915_update_provoking_vertex(GLcontext *ctx);
 334
 335
 336 /*======================================================================
 337  * i915_tex.c
 338  */
 339 extern void i915UpdateTextureState(struct intel_context *intel);
 340 extern void i915InitTextureFuncs(struct dd_function_table *functions);
 341
 342 /*======================================================================
 343  * i915_metaops.c
 344  */
 345 void i915InitMetaFuncs(struct i915_context *i915);
 346
 347
 348 /*======================================================================
 349  * i915_fragprog.c
 350  */
 351 extern void i915ValidateFragmentProgram(struct i915_context *i915);
 352 extern void i915InitFragProgFuncs(struct dd_function_table *functions);
 353
 354 /*======================================================================
 355  * Inline conversion functions.  These are better-typed than the
 356  * macros used previously:
 357  */
 358 static INLINE struct i915_context *
 359 i915_context(GLcontext * ctx)
 360 {
 361    return (struct i915_context *) ctx;
 362 }
 363
 364
 365
 366 #define I915_CONTEXT(ctx)       i915_context(ctx)
 367
 368
 369
 370 #endif