src/mesa/drivers/dri/i965/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 "texmem.h"
  36 #include "dri_bufmgr.h"
  37
  38 #include "intel_screen.h"
  39 #include "intel_tex_obj.h"
  40 #include "i830_common.h"
  41 #include "tnl/t_vertex.h"
  42
  43 #define TAG(x) intel##x
  44 #include "tnl_dd/t_dd_vertex.h"
  45 #undef TAG
  46
  47 #define DV_PF_555  (1<<8)
  48 #define DV_PF_565  (2<<8)
  49 #define DV_PF_8888 (3<<8)
  50
  51 struct intel_region;
  52 struct intel_context;
  53
  54 typedef void (*intel_tri_func)(struct intel_context *, intelVertex *, intelVertex *,
  55                                                           intelVertex *);
  56 typedef void (*intel_line_func)(struct intel_context *, intelVertex *, intelVertex *);
  57 typedef void (*intel_point_func)(struct intel_context *, intelVertex *);
  58
  59 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  60 #define INTEL_FALLBACK_READ_BUFFER       0x2
  61 #define INTEL_FALLBACK_USER              0x4
  62 #define INTEL_FALLBACK_RENDERMODE        0x8
  63 #define INTEL_FALLBACK_TEXTURE           0x10
  64 #define INTEL_FALLBACK_DEPTH_BUFFER      0x20
  65 #define INTEL_FALLBACK_STENCIL_BUFFER    0x40
  66
  67 extern void intelFallback( struct intel_context *intel, GLuint bit, GLboolean mode );
  68 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  69
  70 #define INTEL_WRITE_PART  0x1
  71 #define INTEL_WRITE_FULL  0x2
  72 #define INTEL_READ        0x4
  73
  74 struct intel_context
  75 {
  76    GLcontext ctx;               /* the parent class */
  77
  78    struct {
  79       void (*destroy)( struct intel_context *intel );
  80       void (*emit_state)( struct intel_context *intel );
  81       void (*emit_invarient_state)( struct intel_context *intel );
  82       void (*lost_hardware)( struct intel_context *intel );
  83       void (*note_fence)( struct intel_context *intel, GLuint fence );
  84       void (*note_unlock)( struct intel_context *intel );
  85       void (*update_texture_state)( struct intel_context *intel );
  86
  87       void (*render_start)( struct intel_context *intel );
  88       void (*set_draw_region)( struct intel_context *intel,
  89                                struct intel_region *draw_region,
  90                                struct intel_region *depth_region );
  91
  92       GLuint (*flush_cmd)( void );
  93
  94       void (*emit_flush)( struct intel_context *intel,
  95                           GLuint unused );
  96
  97       void (*reduced_primitive_state)( struct intel_context *intel, GLenum rprim );
  98
  99       GLboolean (*check_vertex_size)( struct intel_context *intel, GLuint expected );
 100
 101       void (*invalidate_state)( struct intel_context *intel, GLuint new_state );
 102
 103       /* Metaops:
 104        */
 105       void (*install_meta_state)( struct intel_context *intel );
 106       void (*leave_meta_state)( struct intel_context *intel );
 107
 108       void (*meta_draw_region)( struct intel_context *intel,
 109                                 struct intel_region *draw_region,
 110                                 struct intel_region *depth_region );
 111
 112       void (*meta_color_mask)( struct intel_context *intel,
 113                                GLboolean );
 114
 115       void (*meta_stencil_replace)( struct intel_context *intel,
 116                                     GLuint mask,
 117                                     GLuint clear );
 118
 119       void (*meta_depth_replace)( struct intel_context *intel );
 120
 121       void (*meta_texture_blend_replace) (struct intel_context * intel);
 122
 123       void (*meta_no_stencil_write)( struct intel_context *intel );
 124       void (*meta_no_depth_write)( struct intel_context *intel );
 125       void (*meta_no_texture)( struct intel_context *intel );
 126       void (*meta_import_pixel_state) (struct intel_context * intel);
 127       void (*meta_frame_buffer_texture)( struct intel_context *intel,
 128                                          GLint xoff, GLint yoff );
 129
 130       void (*meta_draw_quad)(struct intel_context *intel,
 131                              GLfloat x0, GLfloat x1,
 132                              GLfloat y0, GLfloat y1,
 133                              GLfloat z,
 134                              GLuint color, /* ARGB32 */
 135                              GLfloat s0, GLfloat s1,
 136                              GLfloat t0, GLfloat t1);
 137
 138       void (*debug_batch)(struct intel_context *intel);
 139    } vtbl;
 140
 141    GLint refcount;
 142    GLuint Fallback;
 143    GLuint NewGLState;
 144
 145    dri_bufmgr *bufmgr;
 146    unsigned int maxBatchSize;
 147
 148    struct intel_region *front_region;
 149    struct intel_region *back_region;
 150    struct intel_region *third_region;
 151    struct intel_region *depth_region;
 152
 153    /**
 154     * This value indicates that the kernel memory manager is being used
 155     * instead of the fake client-side memory manager.
 156     */
 157    GLboolean ttm;
 158
 159    dri_fence *first_swap_fence;
 160    dri_fence *last_swap_fence;
 161
 162    GLuint stats_wm;
 163
 164    struct intel_batchbuffer *batch;
 165    unsigned batch_id;
 166
 167    GLubyte clear_chan[4];
 168    GLuint ClearColor565;
 169    GLuint ClearColor8888;
 170
 171    GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
 172
 173    GLboolean hw_stencil;
 174    GLboolean hw_stipple;
 175    GLboolean depth_buffer_is_float;
 176    GLboolean no_rast;
 177    GLboolean locked;
 178    GLboolean strict_conformance;
 179
 180    /* State for intelvb.c and inteltris.c.
 181     */
 182    GLenum render_primitive;
 183    GLenum reduced_primitive;
 184
 185    struct intel_region *draw_region;
 186
 187    /* These refer to the current draw (front vs. back) buffer:
 188     */
 189    int drawX;                   /* origin of drawable in draw buffer */
 190    int drawY;
 191    GLuint numClipRects;         /* cliprects for that buffer */
 192    drm_clip_rect_t *pClipRects;
 193    struct gl_texture_object *frame_buffer_texobj;
 194    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 195
 196    GLboolean scissor;
 197    drm_clip_rect_t draw_rect;
 198    drm_clip_rect_t scissor_rect;
 199
 200    drm_context_t hHWContext;
 201    drmLock *driHwLock;
 202    int driFd;
 203
 204    __DRIdrawablePrivate *driDrawable;
 205    __DRIdrawablePrivate *driReadDrawable;
 206    __DRIscreenPrivate *driScreen;
 207    intelScreenPrivate *intelScreen;
 208    volatile drmI830Sarea *sarea;
 209
 210    GLuint lastStamp;
 211
 212    GLboolean no_hw;
 213
 214    /**
 215     * Configuration cache
 216     */
 217    driOptionCache optionCache;
 218
 219    int64_t swap_ust;
 220    int64_t swap_missed_ust;
 221
 222    GLuint swap_count;
 223    GLuint swap_missed_count;
 224 };
 225
 226 /* These are functions now:
 227  */
 228 void LOCK_HARDWARE( struct intel_context *intel );
 229 void UNLOCK_HARDWARE( struct intel_context *intel );
 230
 231
 232 #define SUBPIXEL_X 0.125
 233 #define SUBPIXEL_Y 0.125
 234
 235 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 236
 237 /* ================================================================
 238  * Color packing:
 239  */
 240
 241 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 242   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 243
 244 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 245   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 246     ((a) ? 0x8000 : 0))
 247
 248 #define INTEL_PACKCOLOR565(r,g,b) \
 249   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 250
 251 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 252   ((a<<24) | (r<<16) | (g<<8) | b)
 253
 254
 255 #define INTEL_PACKCOLOR(format, r,  g,  b, a)           \
 256 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :   \
 257  (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :     \
 258   (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :        \
 259    0)))
 260
 261
 262
 263 /* ================================================================
 264  * From linux kernel i386 header files, copes with odd sizes better
 265  * than COPY_DWORDS would:
 266  */
 267 #if defined(i386) || defined(__i386__)
 268 static inline void * __memcpy(void * to, const void * from, size_t n)
 269 {
 270    int d0, d1, d2;
 271    __asm__ __volatile__(
 272       "rep ; movsl\n\t"
 273       "testb $2,%b4\n\t"
 274       "je 1f\n\t"
 275       "movsw\n"
 276       "1:\ttestb $1,%b4\n\t"
 277       "je 2f\n\t"
 278       "movsb\n"
 279       "2:"
 280       : "=&c" (d0), "=&D" (d1), "=&S" (d2)
 281       :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
 282       : "memory");
 283    return (to);
 284 }
 285 #else
 286 #define __memcpy(a,b,c) memcpy(a,b,c)
 287 #endif
 288
 289
 290 /* ================================================================
 291  * Debugging:
 292  */
 293 extern int INTEL_DEBUG;
 294
 295 #define DEBUG_TEXTURE   0x1
 296 #define DEBUG_STATE     0x2
 297 #define DEBUG_IOCTL     0x4
 298 #define DEBUG_PRIMS     0x8
 299 #define DEBUG_VERTS     0x10
 300 #define DEBUG_FALLBACKS 0x20
 301 #define DEBUG_VERBOSE   0x40
 302 #define DEBUG_DRI       0x80
 303 #define DEBUG_DMA       0x100
 304 #define DEBUG_SANITY    0x200
 305 #define DEBUG_SYNC      0x400
 306 #define DEBUG_SLEEP     0x800
 307 #define DEBUG_PIXEL     0x1000
 308 #define DEBUG_STATS     0x2000
 309 #define DEBUG_TILE      0x4000
 310 #define DEBUG_SINGLE_THREAD   0x8000
 311 #define DEBUG_WM        0x10000
 312 #define DEBUG_URB       0x20000
 313 #define DEBUG_VS        0x40000
 314 #define DEBUG_BATCH     0x80000
 315 #define DEBUG_BUFMGR    0x100000
 316 #define DEBUG_BLIT      0x200000
 317 #define DEBUG_REGION    0x400000
 318 #define DEBUG_MIPTREE   0x800000
 319 #define DEBUG_FBO       0x1000000
 320
 321 #define DBG(...) do {                                           \
 322         if (INTEL_DEBUG & FILE_DEBUG_FLAG)                      \
 323                 _mesa_printf(__VA_ARGS__);                      \
 324 } while(0)
 325
 326 /* ================================================================
 327  * intel_context.c:
 328  */
 329
 330 extern GLboolean intelInitContext( struct intel_context *intel,
 331                                    const __GLcontextModes *mesaVis,
 332                                    __DRIcontextPrivate *driContextPriv,
 333                                    void *sharedContextPrivate,
 334                                    struct dd_function_table *functions );
 335
 336 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 337
 338 extern void intelFinish( GLcontext *ctx );
 339 extern void intelFlush( GLcontext *ctx );
 340
 341 extern void intelInitDriverFunctions( struct dd_function_table *functions );
 342
 343
 344 /* ================================================================
 345  * intel_state.c:
 346  */
 347 extern void intelInitStateFuncs( struct dd_function_table *functions );
 348
 349 #define COMPAREFUNC_ALWAYS              0
 350 #define COMPAREFUNC_NEVER               0x1
 351 #define COMPAREFUNC_LESS                0x2
 352 #define COMPAREFUNC_EQUAL               0x3
 353 #define COMPAREFUNC_LEQUAL              0x4
 354 #define COMPAREFUNC_GREATER             0x5
 355 #define COMPAREFUNC_NOTEQUAL            0x6
 356 #define COMPAREFUNC_GEQUAL              0x7
 357
 358 #define STENCILOP_KEEP                  0
 359 #define STENCILOP_ZERO                  0x1
 360 #define STENCILOP_REPLACE               0x2
 361 #define STENCILOP_INCRSAT               0x3
 362 #define STENCILOP_DECRSAT               0x4
 363 #define STENCILOP_INCR                  0x5
 364 #define STENCILOP_DECR                  0x6
 365 #define STENCILOP_INVERT                0x7
 366
 367 #define LOGICOP_CLEAR                   0
 368 #define LOGICOP_NOR                     0x1
 369 #define LOGICOP_AND_INV                 0x2
 370 #define LOGICOP_COPY_INV                0x3
 371 #define LOGICOP_AND_RVRSE               0x4
 372 #define LOGICOP_INV                     0x5
 373 #define LOGICOP_XOR                     0x6
 374 #define LOGICOP_NAND                    0x7
 375 #define LOGICOP_AND                     0x8
 376 #define LOGICOP_EQUIV                   0x9
 377 #define LOGICOP_NOOP                    0xa
 378 #define LOGICOP_OR_INV                  0xb
 379 #define LOGICOP_COPY                    0xc
 380 #define LOGICOP_OR_RVRSE                0xd
 381 #define LOGICOP_OR                      0xe
 382 #define LOGICOP_SET                     0xf
 383
 384 #define BLENDFACT_ZERO                  0x01
 385 #define BLENDFACT_ONE                   0x02
 386 #define BLENDFACT_SRC_COLR              0x03
 387 #define BLENDFACT_INV_SRC_COLR          0x04
 388 #define BLENDFACT_SRC_ALPHA             0x05
 389 #define BLENDFACT_INV_SRC_ALPHA         0x06
 390 #define BLENDFACT_DST_ALPHA             0x07
 391 #define BLENDFACT_INV_DST_ALPHA         0x08
 392 #define BLENDFACT_DST_COLR              0x09
 393 #define BLENDFACT_INV_DST_COLR          0x0a
 394 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 395 #define BLENDFACT_CONST_COLOR           0x0c
 396 #define BLENDFACT_INV_CONST_COLOR       0x0d
 397 #define BLENDFACT_CONST_ALPHA           0x0e
 398 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 399 #define BLENDFACT_MASK                  0x0f
 400
 401 extern int intel_translate_shadow_compare_func( GLenum func );
 402 extern int intel_translate_compare_func( GLenum func );
 403 extern int intel_translate_stencil_op( GLenum op );
 404 extern int intel_translate_blend_factor( GLenum factor );
 405 extern int intel_translate_logic_op( GLenum opcode );
 406
 407
 408 /* ================================================================
 409  * intel_buffers.c:
 410  */
 411 void intelInitBufferFuncs( struct dd_function_table *functions );
 412
 413 struct intel_region *intel_readbuf_region( struct intel_context *intel );
 414 struct intel_region *intel_drawbuf_region( struct intel_context *intel );
 415
 416 extern void intelWindowMoved( struct intel_context *intel );
 417
 418 extern GLboolean intel_intersect_cliprects( drm_clip_rect_t *dest,
 419                                             const drm_clip_rect_t *a,
 420                                             const drm_clip_rect_t *b );
 421
 422
 423 /* ================================================================
 424  * intel_pixel_copy.c:
 425  */
 426 void intelCopyPixels(GLcontext * ctx,
 427                      GLint srcx, GLint srcy,
 428                      GLsizei width, GLsizei height,
 429                      GLint destx, GLint desty, GLenum type);
 430
 431 GLboolean intel_check_blit_fragment_ops(GLcontext * ctx);
 432
 433 void intelBitmap(GLcontext * ctx,
 434                  GLint x, GLint y,
 435                  GLsizei width, GLsizei height,
 436                  const struct gl_pixelstore_attrib *unpack,
 437                  const GLubyte * pixels);
 438
 439 void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging);
 440 #define _NEW_WINDOW_POS 0x40000000
 441
 442
 443 /*======================================================================
 444  * Inline conversion functions.
 445  * These are better-typed than the macros used previously:
 446  */
 447 static inline struct intel_context *intel_context( GLcontext *ctx )
 448 {
 449    return (struct intel_context *)ctx;
 450 }
 451
 452 #endif
 453