src/mesa/drivers/dri/i915/intel_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 INTELCONTEXT_INC
  29 #define INTELCONTEXT_INC
  30
  31
  32
  33 #include "mtypes.h"
  34 #include "drm.h"
  35 #include "mm.h"
  36 #include "texmem.h"
  37 #include "dri_bufmgr.h"
  38
  39 #include "intel_screen.h"
  40 #include "intel_tex_obj.h"
  41 #include "i915_drm.h"
  42 #include "i830_common.h"
  43 #include "tnl/t_vertex.h"
  44
  45 #define TAG(x) intel##x
  46 #include "tnl_dd/t_dd_vertex.h"
  47 #undef TAG
  48
  49 #define DV_PF_555  (1<<8)
  50 #define DV_PF_565  (2<<8)
  51 #define DV_PF_8888 (3<<8)
  52
  53 struct intel_region;
  54 struct intel_context;
  55
  56 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
  57                                 intelVertex *, intelVertex *);
  58 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
  59                                  intelVertex *);
  60 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
  61
  62 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  63 #define INTEL_FALLBACK_READ_BUFFER       0x2
  64 #define INTEL_FALLBACK_DEPTH_BUFFER      0x4
  65 #define INTEL_FALLBACK_STENCIL_BUFFER    0x8
  66 #define INTEL_FALLBACK_USER              0x10
  67 #define INTEL_FALLBACK_RENDERMODE        0x20
  68
  69 extern void intelFallback(struct intel_context *intel, GLuint bit,
  70                           GLboolean mode);
  71 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  72
  73
  74 #define INTEL_WRITE_PART  0x1
  75 #define INTEL_WRITE_FULL  0x2
  76 #define INTEL_READ        0x4
  77
  78 #define INTEL_MAX_FIXUP 64
  79
  80 struct intel_context
  81 {
  82    GLcontext ctx;               /* the parent class */
  83
  84    struct
  85    {
  86       void (*destroy) (struct intel_context * intel);
  87       void (*emit_state) (struct intel_context * intel);
  88       void (*lost_hardware) (struct intel_context * intel);
  89       void (*update_texture_state) (struct intel_context * intel);
  90
  91       void (*render_start) (struct intel_context * intel);
  92       void (*render_prevalidate) (struct intel_context * intel);
  93       void (*set_draw_region) (struct intel_context * intel,
  94                                struct intel_region * draw_region,
  95                                struct intel_region * depth_region);
  96
  97         GLuint(*flush_cmd) (void);
  98
  99       void (*reduced_primitive_state) (struct intel_context * intel,
 100                                        GLenum rprim);
 101
 102         GLboolean(*check_vertex_size) (struct intel_context * intel,
 103                                        GLuint expected);
 104
 105
 106       /* Metaops:
 107        */
 108       void (*install_meta_state) (struct intel_context * intel);
 109       void (*leave_meta_state) (struct intel_context * intel);
 110
 111       void (*meta_draw_region) (struct intel_context * intel,
 112                                 struct intel_region * draw_region,
 113                                 struct intel_region * depth_region);
 114
 115       void (*meta_color_mask) (struct intel_context * intel, GLboolean);
 116
 117       void (*meta_stencil_replace) (struct intel_context * intel,
 118                                     GLuint mask, GLuint clear);
 119
 120       void (*meta_depth_replace) (struct intel_context * intel);
 121
 122       void (*meta_texture_blend_replace) (struct intel_context * intel);
 123
 124       void (*meta_no_stencil_write) (struct intel_context * intel);
 125       void (*meta_no_depth_write) (struct intel_context * intel);
 126       void (*meta_no_texture) (struct intel_context * intel);
 127
 128       void (*meta_import_pixel_state) (struct intel_context * intel);
 129
 130       GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
 131                                         dri_bo * buffer,
 132                                         GLuint offset,
 133                                         GLuint pitch,
 134                                         GLuint height,
 135                                         GLenum format, GLenum type);
 136
 137       void (*assert_not_dirty) (struct intel_context *intel);
 138
 139       void (*debug_batch)(struct intel_context *intel);
 140    } vtbl;
 141
 142    GLint refcount;
 143    GLuint Fallback;
 144    GLuint NewGLState;
 145
 146    dri_bufmgr *bufmgr;
 147    unsigned int maxBatchSize;
 148
 149    struct intel_region *front_region;
 150    struct intel_region *back_region;
 151    struct intel_region *third_region;
 152    struct intel_region *depth_region;
 153
 154    /**
 155     * This value indicates that the kernel memory manager is being used
 156     * instead of the fake client-side memory manager.
 157     */
 158    GLboolean ttm;
 159
 160    dri_fence *last_swap_fence;
 161    dri_fence *first_swap_fence;
 162
 163    struct intel_batchbuffer *batch;
 164    unsigned batch_id;
 165    GLuint last_state_batch_id;
 166
 167    struct
 168    {
 169       GLuint id;
 170       GLuint primitive;
 171       GLubyte *start_ptr;
 172       void (*flush) (struct intel_context *);
 173    } prim;
 174
 175    GLboolean locked;
 176    char *prevLockFile;
 177    int prevLockLine;
 178
 179    GLuint ClearColor565;
 180    GLuint ClearColor8888;
 181
 182    /* Offsets of fields within the current vertex:
 183     */
 184    GLuint coloroffset;
 185    GLuint specoffset;
 186    GLuint wpos_offset;
 187    GLuint wpos_size;
 188
 189    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 190    GLuint vertex_attr_count;
 191
 192    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 193
 194    GLboolean hw_stipple;
 195    GLboolean strict_conformance;
 196
 197    /* State for intelvb.c and inteltris.c.
 198     */
 199    GLuint RenderIndex;
 200    GLmatrix ViewportMatrix;
 201    GLenum render_primitive;
 202    GLenum reduced_primitive;
 203    GLuint vertex_size;
 204    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 205
 206    /* Fallback rasterization functions
 207     */
 208    intel_point_func draw_point;
 209    intel_line_func draw_line;
 210    intel_tri_func draw_tri;
 211
 212    /* These refer to the current drawing buffer:
 213     */
 214    int drawX, drawY;            /**< origin of drawing area within region */
 215    GLuint numClipRects;         /**< cliprects for drawing */
 216    drm_clip_rect_t *pClipRects;
 217    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 218
 219    int perf_boxes;
 220
 221    GLuint do_usleeps;
 222    int do_irqs;
 223    GLuint irqsEmitted;
 224
 225    drm_context_t hHWContext;
 226    drmLock *driHwLock;
 227    int driFd;
 228
 229    __DRIdrawablePrivate *driDrawable;
 230    __DRIscreenPrivate *driScreen;
 231    intelScreenPrivate *intelScreen;
 232    drmI830Sarea *sarea;
 233
 234    GLuint lastStamp;
 235
 236    /**
 237     * Configuration cache
 238     */
 239    driOptionCache optionCache;
 240
 241    /* Last seen width/height of the screen */
 242    int width;
 243    int height;
 244 };
 245
 246 /* These are functions now:
 247  */
 248 void LOCK_HARDWARE( struct intel_context *intel );
 249 void UNLOCK_HARDWARE( struct intel_context *intel );
 250
 251 extern char *__progname;
 252
 253
 254 #define SUBPIXEL_X 0.125
 255 #define SUBPIXEL_Y 0.125
 256
 257 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 258
 259 #define INTEL_FIREVERTICES(intel)               \
 260 do {                                            \
 261    if ((intel)->prim.flush)                     \
 262       (intel)->prim.flush(intel);               \
 263 } while (0)
 264
 265 /* ================================================================
 266  * Color packing:
 267  */
 268
 269 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 270   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 271
 272 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 273   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 274     ((a) ? 0x8000 : 0))
 275
 276 #define INTEL_PACKCOLOR565(r,g,b) \
 277   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 278
 279 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 280   ((a<<24) | (r<<16) | (g<<8) | b)
 281
 282
 283
 284 /* ================================================================
 285  * From linux kernel i386 header files, copes with odd sizes better
 286  * than COPY_DWORDS would:
 287  * XXX Put this in src/mesa/main/imports.h ???
 288  */
 289 #if defined(i386) || defined(__i386__)
 290 static INLINE void *
 291 __memcpy(void *to, const void *from, size_t n)
 292 {
 293    int d0, d1, d2;
 294    __asm__ __volatile__("rep ; movsl\n\t"
 295                         "testb $2,%b4\n\t"
 296                         "je 1f\n\t"
 297                         "movsw\n"
 298                         "1:\ttestb $1,%b4\n\t"
 299                         "je 2f\n\t"
 300                         "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
 301                         :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
 302                         :"memory");
 303    return (to);
 304 }
 305 #else
 306 #define __memcpy(a,b,c) memcpy(a,b,c)
 307 #endif
 308
 309
 310
 311 /* ================================================================
 312  * Debugging:
 313  */
 314 #define DO_DEBUG                1
 315 #if DO_DEBUG
 316 extern int INTEL_DEBUG;
 317 #else
 318 #define INTEL_DEBUG             0
 319 #endif
 320
 321 #define DEBUG_TEXTURE   0x1
 322 #define DEBUG_STATE     0x2
 323 #define DEBUG_IOCTL     0x4
 324 #define DEBUG_BLIT      0x8
 325 #define DEBUG_MIPTREE   0x10
 326 #define DEBUG_FALLBACKS 0x20
 327 #define DEBUG_VERBOSE   0x40
 328 #define DEBUG_BATCH     0x80
 329 #define DEBUG_PIXEL     0x100
 330 #define DEBUG_BUFMGR    0x200
 331 #define DEBUG_REGION    0x400
 332 #define DEBUG_FBO       0x800
 333 #define DEBUG_LOCK      0x1000
 334 #define DEBUG_SYNC      0x2000
 335
 336 #define DBG(...)  do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0)
 337
 338
 339 #define PCI_CHIP_845_G                  0x2562
 340 #define PCI_CHIP_I830_M                 0x3577
 341 #define PCI_CHIP_I855_GM                0x3582
 342 #define PCI_CHIP_I865_G                 0x2572
 343 #define PCI_CHIP_I915_G                 0x2582
 344 #define PCI_CHIP_I915_GM                0x2592
 345 #define PCI_CHIP_I945_G                 0x2772
 346 #define PCI_CHIP_I945_GM                0x27A2
 347 #define PCI_CHIP_I945_GME               0x27AE
 348 #define PCI_CHIP_G33_G                  0x29C2
 349 #define PCI_CHIP_Q35_G                  0x29B2
 350 #define PCI_CHIP_Q33_G                  0x29D2
 351
 352
 353 /* ================================================================
 354  * intel_context.c:
 355  */
 356
 357 extern GLboolean intelInitContext(struct intel_context *intel,
 358                                   const __GLcontextModes * mesaVis,
 359                                   __DRIcontextPrivate * driContextPriv,
 360                                   void *sharedContextPrivate,
 361                                   struct dd_function_table *functions);
 362
 363 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 364
 365 extern void intelFinish(GLcontext * ctx);
 366 extern void intelFlush(GLcontext * ctx);
 367
 368 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 369
 370
 371 /* ================================================================
 372  * intel_state.c:
 373  */
 374 extern void intelInitStateFuncs(struct dd_function_table *functions);
 375
 376 #define COMPAREFUNC_ALWAYS              0
 377 #define COMPAREFUNC_NEVER               0x1
 378 #define COMPAREFUNC_LESS                0x2
 379 #define COMPAREFUNC_EQUAL               0x3
 380 #define COMPAREFUNC_LEQUAL              0x4
 381 #define COMPAREFUNC_GREATER             0x5
 382 #define COMPAREFUNC_NOTEQUAL            0x6
 383 #define COMPAREFUNC_GEQUAL              0x7
 384
 385 #define STENCILOP_KEEP                  0
 386 #define STENCILOP_ZERO                  0x1
 387 #define STENCILOP_REPLACE               0x2
 388 #define STENCILOP_INCRSAT               0x3
 389 #define STENCILOP_DECRSAT               0x4
 390 #define STENCILOP_INCR                  0x5
 391 #define STENCILOP_DECR                  0x6
 392 #define STENCILOP_INVERT                0x7
 393
 394 #define LOGICOP_CLEAR                   0
 395 #define LOGICOP_NOR                     0x1
 396 #define LOGICOP_AND_INV                 0x2
 397 #define LOGICOP_COPY_INV                0x3
 398 #define LOGICOP_AND_RVRSE               0x4
 399 #define LOGICOP_INV                     0x5
 400 #define LOGICOP_XOR                     0x6
 401 #define LOGICOP_NAND                    0x7
 402 #define LOGICOP_AND                     0x8
 403 #define LOGICOP_EQUIV                   0x9
 404 #define LOGICOP_NOOP                    0xa
 405 #define LOGICOP_OR_INV                  0xb
 406 #define LOGICOP_COPY                    0xc
 407 #define LOGICOP_OR_RVRSE                0xd
 408 #define LOGICOP_OR                      0xe
 409 #define LOGICOP_SET                     0xf
 410
 411 #define BLENDFACT_ZERO                  0x01
 412 #define BLENDFACT_ONE                   0x02
 413 #define BLENDFACT_SRC_COLR              0x03
 414 #define BLENDFACT_INV_SRC_COLR          0x04
 415 #define BLENDFACT_SRC_ALPHA             0x05
 416 #define BLENDFACT_INV_SRC_ALPHA         0x06
 417 #define BLENDFACT_DST_ALPHA             0x07
 418 #define BLENDFACT_INV_DST_ALPHA         0x08
 419 #define BLENDFACT_DST_COLR              0x09
 420 #define BLENDFACT_INV_DST_COLR          0x0a
 421 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 422 #define BLENDFACT_CONST_COLOR           0x0c
 423 #define BLENDFACT_INV_CONST_COLOR       0x0d
 424 #define BLENDFACT_CONST_ALPHA           0x0e
 425 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 426 #define BLENDFACT_MASK                  0x0f
 427
 428 extern int intel_translate_compare_func(GLenum func);
 429 extern int intel_translate_stencil_op(GLenum op);
 430 extern int intel_translate_blend_factor(GLenum factor);
 431 extern int intel_translate_logic_op(GLenum opcode);
 432
 433
 434 /*======================================================================
 435  * Inline conversion functions.
 436  * These are better-typed than the macros used previously:
 437  */
 438 static INLINE struct intel_context *
 439 intel_context(GLcontext * ctx)
 440 {
 441    return (struct intel_context *) ctx;
 442 }
 443
 444 #endif