src/mesa/drivers/dri/i915/intel_context.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 VMware, Inc.
   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 VMWARE 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 #include <stdbool.h>
  33 #include <string.h>
  34 #include "main/mtypes.h"
  35 #include "main/mm.h"
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39         /* Evil hack for using libdrm in a c++ compiler. */
  40         #define virtual virt
  41 #endif
  42
  43 #include <drm.h>
  44 #include <intel_bufmgr.h>
  45 #include <i915_drm.h>
  46 #ifdef __cplusplus
  47         #undef virtual
  48 #endif
  49
  50 #include "intel_screen.h"
  51 #include "intel_tex_obj.h"
  52
  53 #include "tnl/t_vertex.h"
  54
  55 #define TAG(x) intel##x
  56 #include "tnl_dd/t_dd_vertex.h"
  57 #undef TAG
  58
  59 #define DV_PF_555  (1<<8)
  60 #define DV_PF_565  (2<<8)
  61 #define DV_PF_8888 (3<<8)
  62 #define DV_PF_4444 (8<<8)
  63 #define DV_PF_1555 (9<<8)
  64
  65 struct intel_region;
  66 struct intel_context;
  67
  68 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
  69                                 intelVertex *, intelVertex *);
  70 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
  71                                  intelVertex *);
  72 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
  73
  74 /**
  75  * Bits for intel->Fallback field
  76  */
  77 /*@{*/
  78 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  79 #define INTEL_FALLBACK_READ_BUFFER       0x2
  80 #define INTEL_FALLBACK_DEPTH_BUFFER      0x4
  81 #define INTEL_FALLBACK_STENCIL_BUFFER    0x8
  82 #define INTEL_FALLBACK_USER              0x10
  83 #define INTEL_FALLBACK_RENDERMODE        0x20
  84 #define INTEL_FALLBACK_TEXTURE           0x40
  85 #define INTEL_FALLBACK_DRIVER            0x1000  /**< first for drivers */
  86 /*@}*/
  87
  88 extern void intelFallback(struct intel_context *intel, GLbitfield bit,
  89                           bool mode);
  90 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  91
  92
  93 #define INTEL_WRITE_PART  0x1
  94 #define INTEL_WRITE_FULL  0x2
  95 #define INTEL_READ        0x4
  96
  97 #ifndef likely
  98 #ifdef __GNUC__
  99 #define likely(expr) (__builtin_expect(expr, 1))
 100 #define unlikely(expr) (__builtin_expect(expr, 0))
 101 #else
 102 #define likely(expr) (expr)
 103 #define unlikely(expr) (expr)
 104 #endif
 105 #endif
 106
 107 struct intel_sync_object {
 108    struct gl_sync_object Base;
 109
 110    /** Batch associated with this sync object */
 111    drm_intel_bo *bo;
 112 };
 113
 114 struct intel_batchbuffer {
 115    /** Current batchbuffer being queued up. */
 116    drm_intel_bo *bo;
 117    /** Last BO submitted to the hardware.  Used for glFinish(). */
 118    drm_intel_bo *last_bo;
 119
 120    uint16_t emit, total;
 121    uint16_t used, reserved_space;
 122    uint32_t *map;
 123    uint32_t *cpu_map;
 124 #define BATCH_SZ (8192*sizeof(uint32_t))
 125 };
 126
 127 /**
 128  * intel_context is derived from Mesa's context class: struct gl_context.
 129  */
 130 struct intel_context
 131 {
 132    struct gl_context ctx;  /**< base class, must be first field */
 133
 134    struct
 135    {
 136       void (*destroy) (struct intel_context * intel);
 137       void (*emit_state) (struct intel_context * intel);
 138       void (*finish_batch) (struct intel_context * intel);
 139       void (*new_batch) (struct intel_context * intel);
 140       void (*emit_invarient_state) (struct intel_context * intel);
 141       void (*update_texture_state) (struct intel_context * intel);
 142
 143       void (*render_start) (struct intel_context * intel);
 144       void (*render_prevalidate) (struct intel_context * intel);
 145       void (*set_draw_region) (struct intel_context * intel,
 146                                struct intel_region * draw_regions[],
 147                                struct intel_region * depth_region,
 148                                GLuint num_regions);
 149       void (*update_draw_buffer)(struct intel_context *intel);
 150
 151       void (*reduced_primitive_state) (struct intel_context * intel,
 152                                        GLenum rprim);
 153
 154       bool (*check_vertex_size) (struct intel_context * intel,
 155                                       GLuint expected);
 156       void (*invalidate_state) (struct intel_context *intel,
 157                                 GLuint new_state);
 158
 159       void (*assert_not_dirty) (struct intel_context *intel);
 160
 161       void (*debug_batch)(struct intel_context *intel);
 162       void (*annotate_aub)(struct intel_context *intel);
 163       bool (*render_target_supported)(struct intel_context *intel,
 164                                       struct gl_renderbuffer *rb);
 165    } vtbl;
 166
 167    GLbitfield Fallback;  /**< mask of INTEL_FALLBACK_x bits */
 168    GLuint NewGLState;
 169
 170    dri_bufmgr *bufmgr;
 171    unsigned int maxBatchSize;
 172
 173    /**
 174     * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
 175     */
 176    int gen;
 177    bool is_945;
 178    bool has_swizzling;
 179
 180    struct intel_batchbuffer batch;
 181
 182    drm_intel_bo *first_post_swapbuffers_batch;
 183    bool need_throttle;
 184    bool no_batch_wrap;
 185    bool tnl_pipeline_running; /**< Set while i915's _tnl_run_pipeline. */
 186
 187    /**
 188     * Set if we're either a debug context or the INTEL_DEBUG=perf environment
 189     * variable is set, this is the flag indicating to do expensive work that
 190     * might lead to a perf_debug() call.
 191     */
 192    bool perf_debug;
 193
 194    struct
 195    {
 196       GLuint id;
 197       uint32_t start_ptr; /**< for i8xx */
 198       uint32_t primitive;       /**< Current hardware primitive type */
 199       void (*flush) (struct intel_context *);
 200       drm_intel_bo *vb_bo;
 201       uint8_t *vb;
 202       unsigned int start_offset; /**< Byte offset of primitive sequence */
 203       unsigned int current_offset; /**< Byte offset of next vertex */
 204       unsigned int count;       /**< Number of vertices in current primitive */
 205    } prim;
 206
 207    struct {
 208       drm_intel_bo *bo;
 209       GLuint offset;
 210       uint32_t buffer_len;
 211       uint32_t buffer_offset;
 212       char buffer[4096];
 213    } upload;
 214
 215    uint32_t max_gtt_map_object_size;
 216
 217    /* Offsets of fields within the current vertex:
 218     */
 219    GLuint coloroffset;
 220    GLuint specoffset;
 221    GLuint wpos_offset;
 222
 223    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 224    GLuint vertex_attr_count;
 225
 226    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 227
 228    bool hw_stipple;
 229    bool no_rast;
 230    bool always_flush_batch;
 231    bool always_flush_cache;
 232    bool disable_throttling;
 233
 234    /* State for intelvb.c and inteltris.c.
 235     */
 236    GLuint RenderIndex;
 237    GLmatrix ViewportMatrix;
 238    GLenum render_primitive;
 239    GLenum reduced_primitive; /*< Only gen < 6 */
 240    GLuint vertex_size;
 241    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 242
 243    /* Fallback rasterization functions
 244     */
 245    intel_point_func draw_point;
 246    intel_line_func draw_line;
 247    intel_tri_func draw_tri;
 248
 249    /**
 250     * Set if rendering has occurred to the drawable's front buffer.
 251     *
 252     * This is used in the DRI2 case to detect that glFlush should also copy
 253     * the contents of the fake front buffer to the real front buffer.
 254     */
 255    bool front_buffer_dirty;
 256
 257    bool use_early_z;
 258
 259    __DRIcontext *driContext;
 260    struct intel_screen *intelScreen;
 261
 262    /**
 263     * Configuration cache
 264     */
 265    driOptionCache optionCache;
 266 };
 267
 268 extern char *__progname;
 269
 270
 271 #define SUBPIXEL_X 0.125
 272 #define SUBPIXEL_Y 0.125
 273
 274 #define INTEL_FIREVERTICES(intel)               \
 275 do {                                            \
 276    if ((intel)->prim.flush)                     \
 277       (intel)->prim.flush(intel);               \
 278 } while (0)
 279
 280 /* ================================================================
 281  * Debugging:
 282  */
 283 extern int INTEL_DEBUG;
 284
 285 #define DEBUG_TEXTURE   0x1
 286 #define DEBUG_STATE     0x2
 287 #define DEBUG_BLIT      0x8
 288 #define DEBUG_MIPTREE   0x10
 289 #define DEBUG_PERF      0x20
 290 #define DEBUG_BATCH     0x80
 291 #define DEBUG_PIXEL     0x100
 292 #define DEBUG_BUFMGR    0x200
 293 #define DEBUG_REGION    0x400
 294 #define DEBUG_FBO       0x800
 295 #define DEBUG_SYNC      0x2000
 296 #define DEBUG_DRI       0x10000
 297 #define DEBUG_STATS     0x100000
 298 #define DEBUG_WM        0x400000
 299 #define DEBUG_AUB       0x4000000
 300
 301 #ifdef HAVE_ANDROID_PLATFORM
 302 #define LOG_TAG "INTEL-MESA"
 303 #include <cutils/log.h>
 304 #ifndef ALOGW
 305 #define ALOGW LOGW
 306 #endif
 307 #define dbg_printf(...) ALOGW(__VA_ARGS__)
 308 #else
 309 #define dbg_printf(...) printf(__VA_ARGS__)
 310 #endif /* HAVE_ANDROID_PLATFORM */
 311
 312 #define DBG(...) do {                                           \
 313         if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG))            \
 314                 dbg_printf(__VA_ARGS__);                        \
 315 } while(0)
 316
 317 #define perf_debug(...) do {                                    \
 318    static GLuint msg_id = 0;                                    \
 319    if (unlikely(INTEL_DEBUG & DEBUG_PERF))                      \
 320       dbg_printf(__VA_ARGS__);                                  \
 321    if (intel->perf_debug)                                       \
 322       _mesa_gl_debug(&intel->ctx, &msg_id,                      \
 323                      MESA_DEBUG_SOURCE_API,                     \
 324                      MESA_DEBUG_TYPE_PERFORMANCE,               \
 325                      MESA_DEBUG_SEVERITY_MEDIUM,                \
 326                      __VA_ARGS__);                              \
 327 } while(0)
 328
 329 #define WARN_ONCE(cond, fmt...) do {                            \
 330    if (unlikely(cond)) {                                        \
 331       static bool _warned = false;                              \
 332       static GLuint msg_id = 0;                                 \
 333       if (!_warned) {                                           \
 334          fprintf(stderr, "WARNING: ");                          \
 335          fprintf(stderr, fmt);                                  \
 336          _warned = true;                                        \
 337                                                                 \
 338          _mesa_gl_debug(ctx, &msg_id,                           \
 339                         MESA_DEBUG_SOURCE_API,                  \
 340                         MESA_DEBUG_TYPE_OTHER,                  \
 341                         MESA_DEBUG_SEVERITY_HIGH, fmt);         \
 342       }                                                         \
 343    }                                                            \
 344 } while (0)
 345
 346 /* ================================================================
 347  * intel_context.c:
 348  */
 349
 350 extern const char *const i915_vendor_string;
 351
 352 extern const char *i915_get_renderer_string(unsigned deviceID);
 353
 354 extern bool intelInitContext(struct intel_context *intel,
 355                              int api,
 356                              unsigned major_version,
 357                              unsigned minor_version,
 358                              uint32_t flags,
 359                              const struct gl_config * mesaVis,
 360                              __DRIcontext * driContextPriv,
 361                              void *sharedContextPrivate,
 362                              struct dd_function_table *functions,
 363                              unsigned *dri_ctx_error);
 364
 365 extern void intelFinish(struct gl_context * ctx);
 366 extern void intel_flush_rendering_to_batch(struct gl_context *ctx);
 367 extern void _intel_flush(struct gl_context * ctx, const char *file, int line);
 368
 369 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
 370
 371 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 372
 373 void intel_init_syncobj_functions(struct dd_function_table *functions);
 374
 375
 376 /* ================================================================
 377  * intel_state.c:
 378  */
 379
 380 #define COMPAREFUNC_ALWAYS              0
 381 #define COMPAREFUNC_NEVER               0x1
 382 #define COMPAREFUNC_LESS                0x2
 383 #define COMPAREFUNC_EQUAL               0x3
 384 #define COMPAREFUNC_LEQUAL              0x4
 385 #define COMPAREFUNC_GREATER             0x5
 386 #define COMPAREFUNC_NOTEQUAL            0x6
 387 #define COMPAREFUNC_GEQUAL              0x7
 388
 389 #define STENCILOP_KEEP                  0
 390 #define STENCILOP_ZERO                  0x1
 391 #define STENCILOP_REPLACE               0x2
 392 #define STENCILOP_INCRSAT               0x3
 393 #define STENCILOP_DECRSAT               0x4
 394 #define STENCILOP_INCR                  0x5
 395 #define STENCILOP_DECR                  0x6
 396 #define STENCILOP_INVERT                0x7
 397
 398 #define LOGICOP_CLEAR                   0
 399 #define LOGICOP_NOR                     0x1
 400 #define LOGICOP_AND_INV                 0x2
 401 #define LOGICOP_COPY_INV                0x3
 402 #define LOGICOP_AND_RVRSE               0x4
 403 #define LOGICOP_INV                     0x5
 404 #define LOGICOP_XOR                     0x6
 405 #define LOGICOP_NAND                    0x7
 406 #define LOGICOP_AND                     0x8
 407 #define LOGICOP_EQUIV                   0x9
 408 #define LOGICOP_NOOP                    0xa
 409 #define LOGICOP_OR_INV                  0xb
 410 #define LOGICOP_COPY                    0xc
 411 #define LOGICOP_OR_RVRSE                0xd
 412 #define LOGICOP_OR                      0xe
 413 #define LOGICOP_SET                     0xf
 414
 415 #define BLENDFACT_ZERO                  0x01
 416 #define BLENDFACT_ONE                   0x02
 417 #define BLENDFACT_SRC_COLR              0x03
 418 #define BLENDFACT_INV_SRC_COLR          0x04
 419 #define BLENDFACT_SRC_ALPHA             0x05
 420 #define BLENDFACT_INV_SRC_ALPHA         0x06
 421 #define BLENDFACT_DST_ALPHA             0x07
 422 #define BLENDFACT_INV_DST_ALPHA         0x08
 423 #define BLENDFACT_DST_COLR              0x09
 424 #define BLENDFACT_INV_DST_COLR          0x0a
 425 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 426 #define BLENDFACT_CONST_COLOR           0x0c
 427 #define BLENDFACT_INV_CONST_COLOR       0x0d
 428 #define BLENDFACT_CONST_ALPHA           0x0e
 429 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 430 #define BLENDFACT_MASK                  0x0f
 431
 432 enum {
 433    DRI_CONF_BO_REUSE_DISABLED,
 434    DRI_CONF_BO_REUSE_ALL
 435 };
 436
 437 extern int intel_translate_shadow_compare_func(GLenum func);
 438 extern int intel_translate_compare_func(GLenum func);
 439 extern int intel_translate_stencil_op(GLenum op);
 440 extern int intel_translate_blend_factor(GLenum factor);
 441 extern int intel_translate_logic_op(GLenum opcode);
 442
 443 void intel_update_renderbuffers(__DRIcontext *context,
 444                                 __DRIdrawable *drawable);
 445 void intel_prepare_render(struct intel_context *intel);
 446
 447 void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
 448                                   uint32_t buffer_id);
 449 void intel_init_texture_formats(struct gl_context *ctx);
 450
 451 /*======================================================================
 452  * Inline conversion functions.
 453  * These are better-typed than the macros used previously:
 454  */
 455 static inline struct intel_context *
 456 intel_context(struct gl_context * ctx)
 457 {
 458    return (struct intel_context *) ctx;
 459 }
 460
 461 #ifdef __cplusplus
 462 }
 463 #endif
 464
 465 #endif