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/errors.h"
  36
  37 #include <drm.h>
  38 #include <intel_bufmgr.h>
  39 #include <i915_drm.h>
  40
  41 #include "intel_screen.h"
  42 #include "intel_tex_obj.h"
  43
  44 #include "tnl/t_vertex.h"
  45
  46 #define TAG(x) intel##x
  47 #include "tnl_dd/t_dd_vertex.h"
  48 #undef TAG
  49
  50 #define DV_PF_555  (1<<8)
  51 #define DV_PF_565  (2<<8)
  52 #define DV_PF_8888 (3<<8)
  53 #define DV_PF_4444 (8<<8)
  54 #define DV_PF_1555 (9<<8)
  55
  56 struct intel_region;
  57 struct intel_context;
  58
  59 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
  60                                 intelVertex *, intelVertex *);
  61 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
  62                                  intelVertex *);
  63 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
  64
  65 /**
  66  * Bits for intel->Fallback field
  67  */
  68 /*@{*/
  69 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  70 #define INTEL_FALLBACK_READ_BUFFER       0x2
  71 #define INTEL_FALLBACK_DEPTH_BUFFER      0x4
  72 #define INTEL_FALLBACK_STENCIL_BUFFER    0x8
  73 #define INTEL_FALLBACK_USER              0x10
  74 #define INTEL_FALLBACK_RENDERMODE        0x20
  75 #define INTEL_FALLBACK_TEXTURE           0x40
  76 #define INTEL_FALLBACK_DRIVER            0x1000  /**< first for drivers */
  77 /*@}*/
  78
  79 extern void intelFallback(struct intel_context *intel, GLbitfield bit,
  80                           bool mode);
  81 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  82
  83
  84 #define INTEL_WRITE_PART  0x1
  85 #define INTEL_WRITE_FULL  0x2
  86 #define INTEL_READ        0x4
  87
  88 #ifndef likely
  89 #ifdef __GNUC__
  90 #define likely(expr) (__builtin_expect(expr, 1))
  91 #define unlikely(expr) (__builtin_expect(expr, 0))
  92 #else
  93 #define likely(expr) (expr)
  94 #define unlikely(expr) (expr)
  95 #endif
  96 #endif
  97
  98 struct intel_batchbuffer {
  99    /** Current batchbuffer being queued up. */
 100    drm_intel_bo *bo;
 101    /** Last BO submitted to the hardware.  Used for glFinish(). */
 102    drm_intel_bo *last_bo;
 103
 104    uint16_t emit, total;
 105    uint16_t used, reserved_space;
 106    uint32_t *map;
 107    uint32_t *cpu_map;
 108 #define BATCH_SZ (8192*sizeof(uint32_t))
 109 };
 110
 111 /**
 112  * intel_context is derived from Mesa's context class: struct gl_context.
 113  */
 114 struct intel_context
 115 {
 116    struct gl_context ctx;  /**< base class, must be first field */
 117
 118    struct
 119    {
 120       void (*destroy) (struct intel_context * intel);
 121       void (*emit_state) (struct intel_context * intel);
 122       void (*finish_batch) (struct intel_context * intel);
 123       void (*new_batch) (struct intel_context * intel);
 124       void (*emit_invarient_state) (struct intel_context * intel);
 125       void (*update_texture_state) (struct intel_context * intel);
 126
 127       void (*render_start) (struct intel_context * intel);
 128       void (*render_prevalidate) (struct intel_context * intel);
 129       void (*set_draw_region) (struct intel_context * intel,
 130                                struct intel_region * draw_regions[],
 131                                struct intel_region * depth_region,
 132                                GLuint num_regions);
 133       void (*update_draw_buffer)(struct intel_context *intel);
 134
 135       void (*reduced_primitive_state) (struct intel_context * intel,
 136                                        GLenum rprim);
 137
 138       bool (*check_vertex_size) (struct intel_context * intel,
 139                                       GLuint expected);
 140       void (*invalidate_state) (struct intel_context *intel,
 141                                 GLuint new_state);
 142
 143       void (*assert_not_dirty) (struct intel_context *intel);
 144
 145       void (*debug_batch)(struct intel_context *intel);
 146       void (*annotate_aub)(struct intel_context *intel);
 147       bool (*render_target_supported)(struct intel_context *intel,
 148                                       struct gl_renderbuffer *rb);
 149    } vtbl;
 150
 151    GLbitfield Fallback;  /**< mask of INTEL_FALLBACK_x bits */
 152    GLuint NewGLState;
 153
 154    dri_bufmgr *bufmgr;
 155    unsigned int maxBatchSize;
 156
 157    /**
 158     * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
 159     */
 160    int gen;
 161    bool is_945;
 162    bool has_swizzling;
 163
 164    struct intel_batchbuffer batch;
 165
 166    drm_intel_bo *first_post_swapbuffers_batch;
 167    bool need_throttle;
 168    bool no_batch_wrap;
 169    bool tnl_pipeline_running; /**< Set while i915's _tnl_run_pipeline. */
 170
 171    /**
 172     * Set if we're either a debug context or the INTEL_DEBUG=perf environment
 173     * variable is set, this is the flag indicating to do expensive work that
 174     * might lead to a perf_debug() call.
 175     */
 176    bool perf_debug;
 177
 178    struct
 179    {
 180       GLuint id;
 181       uint32_t start_ptr; /**< for i8xx */
 182       uint32_t primitive;       /**< Current hardware primitive type */
 183       void (*flush) (struct intel_context *);
 184       drm_intel_bo *vb_bo;
 185       uint8_t *vb;
 186       unsigned int start_offset; /**< Byte offset of primitive sequence */
 187       unsigned int current_offset; /**< Byte offset of next vertex */
 188       unsigned int count;       /**< Number of vertices in current primitive */
 189    } prim;
 190
 191    struct {
 192       drm_intel_bo *bo;
 193       GLuint offset;
 194       uint32_t buffer_len;
 195       uint32_t buffer_offset;
 196       char buffer[4096];
 197    } upload;
 198
 199    uint32_t max_gtt_map_object_size;
 200
 201    /* Offsets of fields within the current vertex:
 202     */
 203    GLuint coloroffset;
 204    GLuint specoffset;
 205    GLuint wpos_offset;
 206
 207    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 208    GLuint vertex_attr_count;
 209
 210    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 211
 212    bool hw_stipple;
 213    bool no_rast;
 214    bool always_flush_batch;
 215    bool always_flush_cache;
 216    bool disable_throttling;
 217
 218    /* State for intelvb.c and inteltris.c.
 219     */
 220    GLuint RenderIndex;
 221    GLmatrix ViewportMatrix;
 222    GLenum render_primitive;
 223    GLenum reduced_primitive; /*< Only gen < 6 */
 224    GLuint vertex_size;
 225    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 226
 227    /* Fallback rasterization functions
 228     */
 229    intel_point_func draw_point;
 230    intel_line_func draw_line;
 231    intel_tri_func draw_tri;
 232
 233    /**
 234     * Set if rendering has occurred to the drawable's front buffer.
 235     *
 236     * This is used in the DRI2 case to detect that glFlush should also copy
 237     * the contents of the fake front buffer to the real front buffer.
 238     */
 239    bool front_buffer_dirty;
 240
 241    bool use_early_z;
 242
 243    __DRIcontext *driContext;
 244    struct intel_screen *intelScreen;
 245
 246    /**
 247     * Configuration cache
 248     */
 249    driOptionCache optionCache;
 250 };
 251
 252 extern char *__progname;
 253
 254
 255 #define SUBPIXEL_X 0.125
 256 #define SUBPIXEL_Y 0.125
 257
 258 #define INTEL_FIREVERTICES(intel)               \
 259 do {                                            \
 260    if ((intel)->prim.flush)                     \
 261       (intel)->prim.flush(intel);               \
 262 } while (0)
 263
 264 /* ================================================================
 265  * Debugging:
 266  */
 267 extern int INTEL_DEBUG;
 268
 269 #define DEBUG_TEXTURE   0x1
 270 #define DEBUG_STATE     0x2
 271 #define DEBUG_BLIT      0x8
 272 #define DEBUG_MIPTREE   0x10
 273 #define DEBUG_PERF      0x20
 274 #define DEBUG_BATCH     0x80
 275 #define DEBUG_PIXEL     0x100
 276 #define DEBUG_BUFMGR    0x200
 277 #define DEBUG_REGION    0x400
 278 #define DEBUG_FBO       0x800
 279 #define DEBUG_SYNC      0x2000
 280 #define DEBUG_DRI       0x10000
 281 #define DEBUG_STATS     0x100000
 282 #define DEBUG_WM        0x400000
 283 #define DEBUG_AUB       0x4000000
 284
 285 #ifdef HAVE_ANDROID_PLATFORM
 286 #define LOG_TAG "INTEL-MESA"
 287 #if ANDROID_API_LEVEL >= 26
 288 #include <log/log.h>
 289 #else
 290 #include <cutils/log.h>
 291 #endif /* use log/log.h start from android 8 major version */
 292 #ifndef ALOGW
 293 #define ALOGW LOGW
 294 #endif
 295 #define dbg_printf(...) ALOGW(__VA_ARGS__)
 296 #else
 297 #define dbg_printf(...) printf(__VA_ARGS__)
 298 #endif /* HAVE_ANDROID_PLATFORM */
 299
 300 #define DBG(...) do {                                           \
 301         if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG))            \
 302                 dbg_printf(__VA_ARGS__);                        \
 303 } while(0)
 304
 305 #define perf_debug(...) do {                                    \
 306    static GLuint msg_id = 0;                                    \
 307    if (unlikely(INTEL_DEBUG & DEBUG_PERF))                      \
 308       dbg_printf(__VA_ARGS__);                                  \
 309    if (intel->perf_debug)                                       \
 310       _mesa_gl_debug(&intel->ctx, &msg_id,                      \
 311                      MESA_DEBUG_SOURCE_API,                     \
 312                      MESA_DEBUG_TYPE_PERFORMANCE,               \
 313                      MESA_DEBUG_SEVERITY_MEDIUM,                \
 314                      __VA_ARGS__);                              \
 315 } while(0)
 316
 317 #define WARN_ONCE(cond, fmt...) do {                            \
 318    if (unlikely(cond)) {                                        \
 319       static bool _warned = false;                              \
 320       static GLuint msg_id = 0;                                 \
 321       if (!_warned) {                                           \
 322          fprintf(stderr, "WARNING: ");                          \
 323          fprintf(stderr, fmt);                                  \
 324          _warned = true;                                        \
 325                                                                 \
 326          _mesa_gl_debug(ctx, &msg_id,                           \
 327                         MESA_DEBUG_SOURCE_API,                  \
 328                         MESA_DEBUG_TYPE_OTHER,                  \
 329                         MESA_DEBUG_SEVERITY_HIGH, fmt);         \
 330       }                                                         \
 331    }                                                            \
 332 } while (0)
 333
 334 /* ================================================================
 335  * intel_context.c:
 336  */
 337
 338 extern const char *const i915_vendor_string;
 339
 340 extern const char *i915_get_renderer_string(unsigned deviceID);
 341
 342 extern bool intelInitContext(struct intel_context *intel,
 343                              int api,
 344                              unsigned major_version,
 345                              unsigned minor_version,
 346                              uint32_t flags,
 347                              const struct gl_config * mesaVis,
 348                              __DRIcontext * driContextPriv,
 349                              void *sharedContextPrivate,
 350                              struct dd_function_table *functions,
 351                              unsigned *dri_ctx_error);
 352
 353 extern void intelFinish(struct gl_context * ctx);
 354 extern void intel_flush_rendering_to_batch(struct gl_context *ctx);
 355 extern void _intel_flush(struct gl_context * ctx, const char *file, int line);
 356
 357 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
 358
 359 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 360
 361 void intel_init_syncobj_functions(struct dd_function_table *functions);
 362
 363
 364 /* ================================================================
 365  * intel_state.c:
 366  */
 367
 368 #define COMPAREFUNC_ALWAYS              0
 369 #define COMPAREFUNC_NEVER               0x1
 370 #define COMPAREFUNC_LESS                0x2
 371 #define COMPAREFUNC_EQUAL               0x3
 372 #define COMPAREFUNC_LEQUAL              0x4
 373 #define COMPAREFUNC_GREATER             0x5
 374 #define COMPAREFUNC_NOTEQUAL            0x6
 375 #define COMPAREFUNC_GEQUAL              0x7
 376
 377 #define STENCILOP_KEEP                  0
 378 #define STENCILOP_ZERO                  0x1
 379 #define STENCILOP_REPLACE               0x2
 380 #define STENCILOP_INCRSAT               0x3
 381 #define STENCILOP_DECRSAT               0x4
 382 #define STENCILOP_INCR                  0x5
 383 #define STENCILOP_DECR                  0x6
 384 #define STENCILOP_INVERT                0x7
 385
 386 #define LOGICOP_CLEAR                   0
 387 #define LOGICOP_NOR                     0x1
 388 #define LOGICOP_AND_INV                 0x2
 389 #define LOGICOP_COPY_INV                0x3
 390 #define LOGICOP_AND_RVRSE               0x4
 391 #define LOGICOP_INV                     0x5
 392 #define LOGICOP_XOR                     0x6
 393 #define LOGICOP_NAND                    0x7
 394 #define LOGICOP_AND                     0x8
 395 #define LOGICOP_EQUIV                   0x9
 396 #define LOGICOP_NOOP                    0xa
 397 #define LOGICOP_OR_INV                  0xb
 398 #define LOGICOP_COPY                    0xc
 399 #define LOGICOP_OR_RVRSE                0xd
 400 #define LOGICOP_OR                      0xe
 401 #define LOGICOP_SET                     0xf
 402
 403 #define BLENDFACT_ZERO                  0x01
 404 #define BLENDFACT_ONE                   0x02
 405 #define BLENDFACT_SRC_COLR              0x03
 406 #define BLENDFACT_INV_SRC_COLR          0x04
 407 #define BLENDFACT_SRC_ALPHA             0x05
 408 #define BLENDFACT_INV_SRC_ALPHA         0x06
 409 #define BLENDFACT_DST_ALPHA             0x07
 410 #define BLENDFACT_INV_DST_ALPHA         0x08
 411 #define BLENDFACT_DST_COLR              0x09
 412 #define BLENDFACT_INV_DST_COLR          0x0a
 413 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 414 #define BLENDFACT_CONST_COLOR           0x0c
 415 #define BLENDFACT_INV_CONST_COLOR       0x0d
 416 #define BLENDFACT_CONST_ALPHA           0x0e
 417 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 418 #define BLENDFACT_MASK                  0x0f
 419
 420 enum {
 421    DRI_CONF_BO_REUSE_DISABLED,
 422    DRI_CONF_BO_REUSE_ALL
 423 };
 424
 425 extern int intel_translate_shadow_compare_func(GLenum func);
 426 extern int intel_translate_compare_func(GLenum func);
 427 extern int intel_translate_stencil_op(GLenum op);
 428 extern int intel_translate_blend_factor(GLenum factor);
 429
 430 void intel_update_renderbuffers(__DRIcontext *context,
 431                                 __DRIdrawable *drawable);
 432 void intel_prepare_render(struct intel_context *intel);
 433
 434 void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
 435                                   uint32_t buffer_id);
 436 void intel_init_texture_formats(struct gl_context *ctx);
 437
 438 /*======================================================================
 439  * Inline conversion functions.
 440  * These are better-typed than the macros used previously:
 441  */
 442 static inline struct intel_context *
 443 intel_context(struct gl_context * ctx)
 444 {
 445    return (struct intel_context *) ctx;
 446 }
 447
 448 #endif