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
  33 #define I915_FALLBACK_TEXTURE            0x1000
  34 #define I915_FALLBACK_COLORMASK          0x2000
  35 #define I915_FALLBACK_STENCIL            0x4000
  36 #define I915_FALLBACK_STIPPLE            0x8000
  37 #define I915_FALLBACK_PROGRAM            0x10000
  38 #define I915_FALLBACK_LOGICOP            0x20000
  39 #define I915_FALLBACK_POLYGON_SMOOTH     0x40000
  40 #define I915_FALLBACK_POINT_SMOOTH       0x80000
  41
  42 #define I915_UPLOAD_CTX              0x1
  43 #define I915_UPLOAD_BUFFERS          0x2
  44 #define I915_UPLOAD_STIPPLE          0x4
  45 #define I915_UPLOAD_PROGRAM          0x8
  46 #define I915_UPLOAD_CONSTANTS        0x10
  47 #define I915_UPLOAD_FOG              0x20
  48 #define I915_UPLOAD_INVARIENT        0x40
  49 #define I915_UPLOAD_DEFAULTS         0x80
  50 #define I915_UPLOAD_TEX(i)           (0x00010000<<(i))
  51 #define I915_UPLOAD_TEX_ALL          (0x00ff0000)
  52 #define I915_UPLOAD_TEX_0_SHIFT      16
  53
  54
  55 /* State structure offsets - these will probably disappear.
  56  */
  57 #define I915_DESTREG_CBUFADDR0 0
  58 #define I915_DESTREG_CBUFADDR1 1
  59 #define I915_DESTREG_DBUFADDR0 3
  60 #define I915_DESTREG_DBUFADDR1 4
  61 #define I915_DESTREG_DV0 6
  62 #define I915_DESTREG_DV1 7
  63 #define I915_DESTREG_SENABLE 8
  64 #define I915_DESTREG_SR0 9
  65 #define I915_DESTREG_SR1 10
  66 #define I915_DESTREG_SR2 11
  67 #define I915_DEST_SETUP_SIZE 12
  68
  69 #define I915_CTXREG_STATE4              0
  70 #define I915_CTXREG_LI                  1
  71 #define I915_CTXREG_LIS2                        2
  72 #define I915_CTXREG_LIS4                        3
  73 #define I915_CTXREG_LIS5                        4
  74 #define I915_CTXREG_LIS6                        5
  75 #define I915_CTXREG_IAB                 6
  76 #define I915_CTXREG_BLENDCOLOR0         7
  77 #define I915_CTXREG_BLENDCOLOR1         8
  78 #define I915_CTX_SETUP_SIZE             9
  79
  80 #define I915_FOGREG_COLOR               0
  81 #define I915_FOGREG_MODE0               1
  82 #define I915_FOGREG_MODE1               2
  83 #define I915_FOGREG_MODE2               3
  84 #define I915_FOGREG_MODE3               4
  85 #define I915_FOG_SETUP_SIZE             5
  86
  87 #define I915_STPREG_ST0        0
  88 #define I915_STPREG_ST1        1
  89 #define I915_STP_SETUP_SIZE    2
  90
  91 #define I915_TEXREG_MS3        1
  92 #define I915_TEXREG_MS4        2
  93 #define I915_TEXREG_SS2        3
  94 #define I915_TEXREG_SS3        4
  95 #define I915_TEXREG_SS4        5
  96 #define I915_TEX_SETUP_SIZE    6
  97
  98 #define I915_DEFREG_C0    0
  99 #define I915_DEFREG_C1    1
 100 #define I915_DEFREG_S0    2
 101 #define I915_DEFREG_S1    3
 102 #define I915_DEFREG_Z0    4
 103 #define I915_DEFREG_Z1    5
 104 #define I915_DEF_SETUP_SIZE    6
 105
 106
 107 #define I915_MAX_CONSTANT      32
 108 #define I915_CONSTANT_SIZE     (2+(4*I915_MAX_CONSTANT))
 109
 110
 111 #define I915_PROGRAM_SIZE      192
 112
 113
 114 /* Hardware version of a parsed fragment program.  "Derived" from the
 115  * mesa fragment_program struct.
 116  */
 117 struct i915_fragment_program
 118 {
 119    struct gl_fragment_program FragProg;
 120
 121    GLboolean translated;
 122    GLboolean params_uptodate;
 123    GLboolean on_hardware;
 124    GLboolean error;             /* If program is malformed for any reason. */
 125
 126    GLuint nr_tex_indirect;
 127    GLuint nr_tex_insn;
 128    GLuint nr_alu_insn;
 129    GLuint nr_decl_insn;
 130
 131
 132
 133
 134    /* TODO: split between the stored representation of a program and
 135     * the state used to build that representation.
 136     */
 137    GLcontext *ctx;
 138
 139    GLuint declarations[I915_PROGRAM_SIZE];
 140    GLuint program[I915_PROGRAM_SIZE];
 141
 142    GLfloat constant[I915_MAX_CONSTANT][4];
 143    GLuint constant_flags[I915_MAX_CONSTANT];
 144    GLuint nr_constants;
 145
 146    GLuint *csr;                 /* Cursor, points into program.
 147                                  */
 148
 149    GLuint *decl;                /* Cursor, points into declarations.
 150                                  */
 151
 152    GLuint decl_s;               /* flags for which s regs need to be decl'd */
 153    GLuint decl_t;               /* flags for which t regs need to be decl'd */
 154
 155    GLuint temp_flag;            /* Tracks temporary regs which are in
 156                                  * use.
 157                                  */
 158
 159    GLuint utemp_flag;           /* Tracks TYPE_U temporary regs which are in
 160                                  * use.
 161                                  */
 162
 163
 164
 165    /* Helpers for i915_fragprog.c:
 166     */
 167    GLuint wpos_tex;
 168    GLboolean depth_written;
 169
 170    struct
 171    {
 172       GLuint reg;               /* Hardware constant idx */
 173       const GLfloat *values;    /* Pointer to tracked values */
 174    } param[I915_MAX_CONSTANT];
 175    GLuint nr_params;
 176 };
 177
 178
 179
 180
 181
 182
 183
 184 #define I915_TEX_UNITS 8
 185
 186
 187 struct i915_hw_state
 188 {
 189    GLuint Ctx[I915_CTX_SETUP_SIZE];
 190    GLuint Buffer[I915_DEST_SETUP_SIZE];
 191    GLuint Stipple[I915_STP_SETUP_SIZE];
 192    GLuint Fog[I915_FOG_SETUP_SIZE];
 193    GLuint Defaults[I915_DEF_SETUP_SIZE];
 194    GLuint Tex[I915_TEX_UNITS][I915_TEX_SETUP_SIZE];
 195    GLuint Constant[I915_CONSTANT_SIZE];
 196    GLuint ConstantSize;
 197    GLuint Program[I915_PROGRAM_SIZE];
 198    GLuint ProgramSize;
 199
 200    /* Region pointers for relocation:
 201     */
 202    struct intel_region *draw_region;
 203    struct intel_region *depth_region;
 204 /*    struct intel_region *tex_region[I915_TEX_UNITS]; */
 205
 206    /* Regions aren't actually that appropriate here as the memory may
 207     * be from a PBO or FBO.  Will have to do this for draw and depth for
 208     * FBO's...
 209     */
 210    dri_bo *tex_buffer[I915_TEX_UNITS];
 211    GLuint tex_offset[I915_TEX_UNITS];
 212
 213
 214    GLuint active;               /* I915_UPLOAD_* */
 215    GLuint emitted;              /* I915_UPLOAD_* */
 216 };
 217
 218 #define I915_FOG_PIXEL  2
 219 #define I915_FOG_VERTEX 1
 220 #define I915_FOG_NONE   0
 221
 222 struct i915_context
 223 {
 224    struct intel_context intel;
 225
 226    GLuint last_ReallyEnabled;
 227    GLuint vertex_fog;
 228    GLuint lodbias_ss2[MAX_TEXTURE_UNITS];
 229
 230
 231    struct i915_fragment_program *current_program;
 232
 233    struct i915_hw_state meta, initial, state, *current;
 234 };
 235
 236
 237 #define I915_STATECHANGE(i915, flag)                                    \
 238 do {                                                                    \
 239    INTEL_FIREVERTICES( &(i915)->intel );                                        \
 240    (i915)->state.emitted &= ~(flag);                                    \
 241 } while (0)
 242
 243 #define I915_ACTIVESTATE(i915, flag, mode)                      \
 244 do {                                                            \
 245    INTEL_FIREVERTICES( &(i915)->intel );                                \
 246    if (mode)                                                    \
 247       (i915)->state.active |= (flag);                           \
 248    else                                                         \
 249       (i915)->state.active &= ~(flag);                          \
 250 } while (0)
 251
 252
 253 /*======================================================================
 254  * i915_vtbl.c
 255  */
 256 extern void i915InitVtbl(struct i915_context *i915);
 257
 258 extern void
 259 i915_state_draw_region(struct intel_context *intel,
 260                        struct i915_hw_state *state,
 261                        struct intel_region *color_region,
 262                        struct intel_region *depth_region);
 263
 264
 265
 266 #define SZ_TO_HW(sz)  ((sz-2)&0x3)
 267 #define EMIT_SZ(sz)   (EMIT_1F + (sz) - 1)
 268 #define EMIT_ATTR( ATTR, STYLE, S4, SZ )                                \
 269 do {                                                                    \
 270    intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR);       \
 271    intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE);      \
 272    s4 |= S4;                                                            \
 273    intel->vertex_attr_count++;                                          \
 274    offset += (SZ);                                                      \
 275 } while (0)
 276
 277 #define EMIT_PAD( N )                                                   \
 278 do {                                                                    \
 279    intel->vertex_attrs[intel->vertex_attr_count].attrib = 0;            \
 280    intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD;     \
 281    intel->vertex_attrs[intel->vertex_attr_count].offset = (N);          \
 282    intel->vertex_attr_count++;                                          \
 283    offset += (N);                                                       \
 284 } while (0)
 285
 286
 287
 288 /*======================================================================
 289  * i915_context.c
 290  */
 291 extern GLboolean i915CreateContext(const __GLcontextModes * mesaVis,
 292                                    __DRIcontextPrivate * driContextPriv,
 293                                    void *sharedContextPrivate);
 294
 295
 296 /*======================================================================
 297  * i915_debug.c
 298  */
 299 extern void i915_disassemble_program(const GLuint * program, GLuint sz);
 300 extern void i915_print_ureg(const char *msg, GLuint ureg);
 301
 302
 303 /*======================================================================
 304  * i915_state.c
 305  */
 306 extern void i915InitStateFunctions(struct dd_function_table *functions);
 307 extern void i915InitState(struct i915_context *i915);
 308 extern void i915_update_fog(GLcontext * ctx);
 309
 310
 311 /*======================================================================
 312  * i915_tex.c
 313  */
 314 extern void i915UpdateTextureState(struct intel_context *intel);
 315 extern void i915InitTextureFuncs(struct dd_function_table *functions);
 316
 317 /*======================================================================
 318  * i915_metaops.c
 319  */
 320 void i915InitMetaFuncs(struct i915_context *i915);
 321
 322
 323 /*======================================================================
 324  * i915_fragprog.c
 325  */
 326 extern void i915ValidateFragmentProgram(struct i915_context *i915);
 327 extern void i915InitFragProgFuncs(struct dd_function_table *functions);
 328
 329 /*======================================================================
 330  * Inline conversion functions.  These are better-typed than the
 331  * macros used previously:
 332  */
 333 static INLINE struct i915_context *
 334 i915_context(GLcontext * ctx)
 335 {
 336    return (struct i915_context *) ctx;
 337 }
 338
 339
 340
 341 #define I915_CONTEXT(ctx)       i915_context(ctx)
 342
 343
 344
 345 #endif