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_TEX(i)           (0x00010000<<(i))
  52 #define I915_UPLOAD_TEX_ALL          (0x00ff0000)
  53 #define I915_UPLOAD_TEX_0_SHIFT      16
  54
  55
  56 /* State structure offsets - these will probably disappear.
  57  */
  58 #define I915_DESTREG_CBUFADDR0 0
  59 #define I915_DESTREG_CBUFADDR1 1
  60 #define I915_DESTREG_DBUFADDR0 3
  61 #define I915_DESTREG_DBUFADDR1 4
  62 #define I915_DESTREG_DV0 6
  63 #define I915_DESTREG_DV1 7
  64 #define I915_DESTREG_SENABLE 8
  65 #define I915_DESTREG_SR0 9
  66 #define I915_DESTREG_SR1 10
  67 #define I915_DESTREG_SR2 11
  68 #define I915_DESTREG_DRAWRECT0 12
  69 #define I915_DESTREG_DRAWRECT1 13
  70 #define I915_DESTREG_DRAWRECT2 14
  71 #define I915_DESTREG_DRAWRECT3 15
  72 #define I915_DESTREG_DRAWRECT4 16
  73 #define I915_DESTREG_DRAWRECT5 17
  74 #define I915_DEST_SETUP_SIZE 18
  75
  76 #define I915_CTXREG_STATE4              0
  77 #define I915_CTXREG_LI                  1
  78 #define I915_CTXREG_LIS2                        2
  79 #define I915_CTXREG_LIS4                        3
  80 #define I915_CTXREG_LIS5                        4
  81 #define I915_CTXREG_LIS6                        5
  82 #define I915_CTXREG_IAB                 6
  83 #define I915_CTXREG_BLENDCOLOR0         7
  84 #define I915_CTXREG_BLENDCOLOR1         8
  85 #define I915_CTX_SETUP_SIZE             9
  86
  87 #define I915_FOGREG_COLOR               0
  88 #define I915_FOGREG_MODE0               1
  89 #define I915_FOGREG_MODE1               2
  90 #define I915_FOGREG_MODE2               3
  91 #define I915_FOGREG_MODE3               4
  92 #define I915_FOG_SETUP_SIZE             5
  93
  94 #define I915_STPREG_ST0        0
  95 #define I915_STPREG_ST1        1
  96 #define I915_STP_SETUP_SIZE    2
  97
  98 #define I915_TEXREG_MS3        1
  99 #define I915_TEXREG_MS4        2
 100 #define I915_TEXREG_SS2        3
 101 #define I915_TEXREG_SS3        4
 102 #define I915_TEXREG_SS4        5
 103 #define I915_TEX_SETUP_SIZE    6
 104
 105 #define I915_DEFREG_C0    0
 106 #define I915_DEFREG_C1    1
 107 #define I915_DEFREG_S0    2
 108 #define I915_DEFREG_S1    3
 109 #define I915_DEFREG_Z0    4
 110 #define I915_DEFREG_Z1    5
 111 #define I915_DEF_SETUP_SIZE    6
 112
 113
 114 #define I915_MAX_CONSTANT      32
 115 #define I915_CONSTANT_SIZE     (2+(4*I915_MAX_CONSTANT))
 116
 117
 118 #define I915_PROGRAM_SIZE      192
 119
 120 #define I915_MAX_INSN          (I915_MAX_TEX_INSN+I915_MAX_ALU_INSN)
 121
 122 /* Hardware version of a parsed fragment program.  "Derived" from the
 123  * mesa fragment_program struct.
 124  */
 125 struct i915_fragment_program
 126 {
 127    struct gl_fragment_program FragProg;
 128
 129    GLboolean translated;
 130    GLboolean params_uptodate;
 131    GLboolean on_hardware;
 132    GLboolean error;             /* If program is malformed for any reason. */
 133
 134    /** Record of which phases R registers were last written in. */
 135    GLuint register_phases[16];
 136    GLuint indirections;
 137    GLuint nr_tex_indirect;
 138    GLuint nr_tex_insn;
 139    GLuint nr_alu_insn;
 140    GLuint nr_decl_insn;
 141
 142
 143
 144
 145    /* TODO: split between the stored representation of a program and
 146     * the state used to build that representation.
 147     */
 148    GLcontext *ctx;
 149
 150    GLuint declarations[I915_PROGRAM_SIZE];
 151    GLuint program[I915_PROGRAM_SIZE];
 152
 153    GLfloat constant[I915_MAX_CONSTANT][4];
 154    GLuint constant_flags[I915_MAX_CONSTANT];
 155    GLuint nr_constants;
 156
 157    GLuint *csr;                 /* Cursor, points into program.
 158                                  */
 159
 160    GLuint *decl;                /* Cursor, points into declarations.
 161                                  */
 162
 163    GLuint decl_s;               /* flags for which s regs need to be decl'd */
 164    GLuint decl_t;               /* flags for which t regs need to be decl'd */
 165
 166    GLuint temp_flag;            /* Tracks temporary regs which are in
 167                                  * use.
 168                                  */
 169
 170    GLuint utemp_flag;           /* Tracks TYPE_U temporary regs which are in
 171                                  * use.
 172                                  */
 173
 174
 175    /* Track which R registers are "live" for each instruction.
 176     * A register is live between the time it's written to and the last time
 177     * it's read. */
 178    GLuint usedRegs[I915_MAX_INSN];
 179
 180    /* Helpers for i915_fragprog.c:
 181     */
 182    GLuint wpos_tex;
 183    GLboolean depth_written;
 184
 185    struct
 186    {
 187       GLuint reg;               /* Hardware constant idx */
 188       const GLfloat *values;    /* Pointer to tracked values */
 189    } param[I915_MAX_CONSTANT];
 190    GLuint nr_params;
 191 };
 192
 193
 194
 195
 196
 197
 198
 199 #define I915_TEX_UNITS 8
 200
 201
 202 struct i915_hw_state
 203 {
 204    GLuint Ctx[I915_CTX_SETUP_SIZE];
 205    GLuint Buffer[I915_DEST_SETUP_SIZE];
 206    GLuint Stipple[I915_STP_SETUP_SIZE];
 207    GLuint Fog[I915_FOG_SETUP_SIZE];
 208    GLuint Defaults[I915_DEF_SETUP_SIZE];
 209    GLuint Tex[I915_TEX_UNITS][I915_TEX_SETUP_SIZE];
 210    GLuint Constant[I915_CONSTANT_SIZE];
 211    GLuint ConstantSize;
 212    GLuint Program[I915_PROGRAM_SIZE];
 213    GLuint ProgramSize;
 214
 215    /* Region pointers for relocation:
 216     */
 217    struct intel_region *draw_region;
 218    struct intel_region *depth_region;
 219 /*    struct intel_region *tex_region[I915_TEX_UNITS]; */
 220
 221    /* Regions aren't actually that appropriate here as the memory may
 222     * be from a PBO or FBO.  Will have to do this for draw and depth for
 223     * FBO's...
 224     */
 225    dri_bo *tex_buffer[I915_TEX_UNITS];
 226    GLuint tex_offset[I915_TEX_UNITS];
 227
 228
 229    GLuint active;               /* I915_UPLOAD_* */
 230    GLuint emitted;              /* I915_UPLOAD_* */
 231 };
 232
 233 #define I915_FOG_PIXEL  2
 234 #define I915_FOG_VERTEX 1
 235 #define I915_FOG_NONE   0
 236
 237 struct i915_context
 238 {
 239    struct intel_context intel;
 240
 241    GLuint last_ReallyEnabled;
 242    GLuint vertex_fog;
 243    GLuint lodbias_ss2[MAX_TEXTURE_UNITS];
 244
 245
 246    struct i915_fragment_program *current_program;
 247
 248    struct i915_hw_state meta, initial, state, *current;
 249 };
 250
 251
 252 #define I915_STATECHANGE(i915, flag)                                    \
 253 do {                                                                    \
 254    INTEL_FIREVERTICES( &(i915)->intel );                                        \
 255    (i915)->state.emitted &= ~(flag);                                    \
 256 } while (0)
 257
 258 #define I915_ACTIVESTATE(i915, flag, mode)                      \
 259 do {                                                            \
 260    INTEL_FIREVERTICES( &(i915)->intel );                                \
 261    if (mode)                                                    \
 262       (i915)->state.active |= (flag);                           \
 263    else                                                         \
 264       (i915)->state.active &= ~(flag);                          \
 265 } while (0)
 266
 267
 268 /*======================================================================
 269  * i915_vtbl.c
 270  */
 271 extern void i915InitVtbl(struct i915_context *i915);
 272
 273 extern void
 274 i915_state_draw_region(struct intel_context *intel,
 275                        struct i915_hw_state *state,
 276                        struct intel_region *color_region,
 277                        struct intel_region *depth_region);
 278
 279
 280
 281 #define SZ_TO_HW(sz)  ((sz-2)&0x3)
 282 #define EMIT_SZ(sz)   (EMIT_1F + (sz) - 1)
 283 #define EMIT_ATTR( ATTR, STYLE, S4, SZ )                                \
 284 do {                                                                    \
 285    intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR);       \
 286    intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE);      \
 287    s4 |= S4;                                                            \
 288    intel->vertex_attr_count++;                                          \
 289    offset += (SZ);                                                      \
 290 } while (0)
 291
 292 #define EMIT_PAD( N )                                                   \
 293 do {                                                                    \
 294    intel->vertex_attrs[intel->vertex_attr_count].attrib = 0;            \
 295    intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD;     \
 296    intel->vertex_attrs[intel->vertex_attr_count].offset = (N);          \
 297    intel->vertex_attr_count++;                                          \
 298    offset += (N);                                                       \
 299 } while (0)
 300
 301
 302
 303 /*======================================================================
 304  * i915_context.c
 305  */
 306 extern GLboolean i915CreateContext(const __GLcontextModes * mesaVis,
 307                                    __DRIcontextPrivate * driContextPriv,
 308                                    void *sharedContextPrivate);
 309
 310
 311 /*======================================================================
 312  * i915_debug.c
 313  */
 314 extern void i915_disassemble_program(const GLuint * program, GLuint sz);
 315 extern void i915_print_ureg(const char *msg, GLuint ureg);
 316
 317
 318 /*======================================================================
 319  * i915_state.c
 320  */
 321 extern void i915InitStateFunctions(struct dd_function_table *functions);
 322 extern void i915InitState(struct i915_context *i915);
 323 extern void i915_update_fog(GLcontext * ctx);
 324
 325
 326 /*======================================================================
 327  * i915_tex.c
 328  */
 329 extern void i915UpdateTextureState(struct intel_context *intel);
 330 extern void i915InitTextureFuncs(struct dd_function_table *functions);
 331
 332 /*======================================================================
 333  * i915_metaops.c
 334  */
 335 void i915InitMetaFuncs(struct i915_context *i915);
 336
 337
 338 /*======================================================================
 339  * i915_fragprog.c
 340  */
 341 extern void i915ValidateFragmentProgram(struct i915_context *i915);
 342 extern void i915InitFragProgFuncs(struct dd_function_table *functions);
 343
 344 /*======================================================================
 345  * Inline conversion functions.  These are better-typed than the
 346  * macros used previously:
 347  */
 348 static INLINE struct i915_context *
 349 i915_context(GLcontext * ctx)
 350 {
 351    return (struct i915_context *) ctx;
 352 }
 353
 354
 355
 356 #define I915_CONTEXT(ctx)       i915_context(ctx)
 357
 358
 359
 360 #endif