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