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-uapi/drm.h"
  38 #include <intel_bufmgr.h>
  39 #include "drm-uapi/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
 163    struct intel_batchbuffer batch;
 164
 165    drm_intel_bo *first_post_swapbuffers_batch;
 166    bool need_throttle;
 167    bool no_batch_wrap;
 168    bool tnl_pipeline_running; /**< Set while i915's _tnl_run_pipeline. */
 169
 170    /**
 171     * Set if we're either a debug context or the INTEL_DEBUG=perf environment
 172     * variable is set, this is the flag indicating to do expensive work that
 173     * might lead to a perf_debug() call.
 174     */
 175    bool perf_debug;
 176
 177    struct
 178    {
 179       GLuint id;
 180       uint32_t start_ptr; /**< for i8xx */
 181       uint32_t primitive;       /**< Current hardware primitive type */
 182       void (*flush) (struct intel_context *);
 183       drm_intel_bo *vb_bo;
 184       uint8_t *vb;
 185       unsigned int start_offset; /**< Byte offset of primitive sequence */
 186       unsigned int current_offset; /**< Byte offset of next vertex */
 187       unsigned int count;       /**< Number of vertices in current primitive */
 188    } prim;
 189
 190    struct {
 191       drm_intel_bo *bo;
 192       GLuint offset;
 193       uint32_t buffer_len;
 194       uint32_t buffer_offset;
 195       char buffer[4096];
 196    } upload;
 197
 198    uint32_t max_gtt_map_object_size;
 199
 200    /* Offsets of fields within the current vertex:
 201     */
 202    GLuint coloroffset;
 203    GLuint specoffset;
 204    GLuint wpos_offset;
 205
 206    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 207    GLuint vertex_attr_count;
 208
 209    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 210
 211    bool hw_stipple;
 212    bool no_rast;
 213    bool always_flush_batch;
 214    bool always_flush_cache;
 215    bool disable_throttling;
 216
 217    /* State for intelvb.c and inteltris.c.
 218     */
 219    GLuint RenderIndex;
 220    GLmatrix ViewportMatrix;
 221    GLenum render_primitive;
 222    GLenum reduced_primitive; /*< Only gen < 6 */
 223    GLuint vertex_size;
 224    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 225
 226    /* Fallback rasterization functions
 227     */
 228    intel_point_func draw_point;
 229    intel_line_func draw_line;
 230    intel_tri_func draw_tri;
 231
 232    /**
 233     * Set if rendering has occurred to the drawable's front buffer.
 234     *
 235     * This is used in the DRI2 case to detect that glFlush should also copy
 236     * the contents of the fake front buffer to the real front buffer.
 237     */
 238    bool front_buffer_dirty;
 239
 240    __DRIcontext *driContext;
 241    struct intel_screen *intelScreen;
 242
 243    /**
 244     * Configuration cache
 245     */
 246    driOptionCache optionCache;
 247 };
 248
 249 extern char *__progname;
 250
 251
 252 #define SUBPIXEL_X 0.125
 253 #define SUBPIXEL_Y 0.125
 254
 255 #define INTEL_FIREVERTICES(intel)               \
 256 do {                                            \
 257    if ((intel)->prim.flush)                     \
 258       (intel)->prim.flush(intel);               \
 259 } while (0)
 260
 261 /* ================================================================
 262  * Debugging:
 263  */
 264 extern int INTEL_DEBUG;
 265
 266 #define DEBUG_TEXTURE   0x1
 267 #define DEBUG_STATE     0x2
 268 #define DEBUG_BLIT      0x8
 269 #define DEBUG_MIPTREE   0x10
 270 #define DEBUG_PERF      0x20
 271 #define DEBUG_BATCH     0x80
 272 #define DEBUG_PIXEL     0x100
 273 #define DEBUG_BUFMGR    0x200
 274 #define DEBUG_REGION    0x400
 275 #define DEBUG_FBO       0x800
 276 #define DEBUG_SYNC      0x2000
 277 #define DEBUG_DRI       0x10000
 278 #define DEBUG_STATS     0x100000
 279 #define DEBUG_WM        0x400000
 280 #define DEBUG_AUB       0x4000000
 281
 282 #ifdef HAVE_ANDROID_PLATFORM
 283 #define LOG_TAG "INTEL-MESA"
 284 #if ANDROID_API_LEVEL >= 26
 285 #include <log/log.h>
 286 #else
 287 #include <cutils/log.h>
 288 #endif /* use log/log.h start from android 8 major version */
 289 #ifndef ALOGW
 290 #define ALOGW LOGW
 291 #endif
 292 #define dbg_printf(...) ALOGW(__VA_ARGS__)
 293 #else
 294 #define dbg_printf(...) printf(__VA_ARGS__)
 295 #endif /* HAVE_ANDROID_PLATFORM */
 296
 297 #define DBG(...) do {                                           \
 298         if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG))            \
 299                 dbg_printf(__VA_ARGS__);                        \
 300 } while(0)
 301
 302 #define perf_debug(...) do {                                    \
 303    static GLuint msg_id = 0;                                    \
 304    if (unlikely(INTEL_DEBUG & DEBUG_PERF))                      \
 305       dbg_printf(__VA_ARGS__);                                  \
 306    if (intel->perf_debug)                                       \
 307       _mesa_gl_debug(&intel->ctx, &msg_id,                      \
 308                      MESA_DEBUG_SOURCE_API,                     \
 309                      MESA_DEBUG_TYPE_PERFORMANCE,               \
 310                      MESA_DEBUG_SEVERITY_MEDIUM,                \
 311                      __VA_ARGS__);                              \
 312 } while(0)
 313
 314 #define WARN_ONCE(cond, fmt...) do {                            \
 315    if (unlikely(cond)) {                                        \
 316       static bool _warned = false;                              \
 317       static GLuint msg_id = 0;                                 \
 318       if (!_warned) {                                           \
 319          fprintf(stderr, "WARNING: ");                          \
 320          fprintf(stderr, fmt);                                  \
 321          _warned = true;                                        \
 322                                                                 \
 323          _mesa_gl_debug(ctx, &msg_id,                           \
 324                         MESA_DEBUG_SOURCE_API,                  \
 325                         MESA_DEBUG_TYPE_OTHER,                  \
 326                         MESA_DEBUG_SEVERITY_HIGH, fmt);         \
 327       }                                                         \
 328    }                                                            \
 329 } while (0)
 330
 331 /* ================================================================
 332  * intel_context.c:
 333  */
 334
 335 extern const char *const i915_vendor_string;
 336
 337 extern const char *i915_get_renderer_string(unsigned deviceID);
 338
 339 extern bool intelInitContext(struct intel_context *intel,
 340                              int api,
 341                              unsigned major_version,
 342                              unsigned minor_version,
 343                              uint32_t flags,
 344                              const struct gl_config * mesaVis,
 345                              __DRIcontext * driContextPriv,
 346                              void *sharedContextPrivate,
 347                              struct dd_function_table *functions,
 348                              unsigned *dri_ctx_error);
 349
 350 extern void intelFinish(struct gl_context * ctx);
 351 extern void intel_flush_rendering_to_batch(struct gl_context *ctx);
 352 extern void _intel_flush(struct gl_context * ctx, const char *file, int line);
 353
 354 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
 355
 356 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 357
 358 void intel_init_syncobj_functions(struct dd_function_table *functions);
 359
 360
 361 /* ================================================================
 362  * intel_state.c:
 363  */
 364
 365 #define COMPAREFUNC_ALWAYS              0
 366 #define COMPAREFUNC_NEVER               0x1
 367 #define COMPAREFUNC_LESS                0x2
 368 #define COMPAREFUNC_EQUAL               0x3
 369 #define COMPAREFUNC_LEQUAL              0x4
 370 #define COMPAREFUNC_GREATER             0x5
 371 #define COMPAREFUNC_NOTEQUAL            0x6
 372 #define COMPAREFUNC_GEQUAL              0x7
 373
 374 #define STENCILOP_KEEP                  0
 375 #define STENCILOP_ZERO                  0x1
 376 #define STENCILOP_REPLACE               0x2
 377 #define STENCILOP_INCRSAT               0x3
 378 #define STENCILOP_DECRSAT               0x4
 379 #define STENCILOP_INCR                  0x5
 380 #define STENCILOP_DECR                  0x6
 381 #define STENCILOP_INVERT                0x7
 382
 383 #define LOGICOP_CLEAR                   0
 384 #define LOGICOP_NOR                     0x1
 385 #define LOGICOP_AND_INV                 0x2
 386 #define LOGICOP_COPY_INV                0x3
 387 #define LOGICOP_AND_RVRSE               0x4
 388 #define LOGICOP_INV                     0x5
 389 #define LOGICOP_XOR                     0x6
 390 #define LOGICOP_NAND                    0x7
 391 #define LOGICOP_AND                     0x8
 392 #define LOGICOP_EQUIV                   0x9
 393 #define LOGICOP_NOOP                    0xa
 394 #define LOGICOP_OR_INV                  0xb
 395 #define LOGICOP_COPY                    0xc
 396 #define LOGICOP_OR_RVRSE                0xd
 397 #define LOGICOP_OR                      0xe
 398 #define LOGICOP_SET                     0xf
 399
 400 #define BLENDFACT_ZERO                  0x01
 401 #define BLENDFACT_ONE                   0x02
 402 #define BLENDFACT_SRC_COLR              0x03
 403 #define BLENDFACT_INV_SRC_COLR          0x04
 404 #define BLENDFACT_SRC_ALPHA             0x05
 405 #define BLENDFACT_INV_SRC_ALPHA         0x06
 406 #define BLENDFACT_DST_ALPHA             0x07
 407 #define BLENDFACT_INV_DST_ALPHA         0x08
 408 #define BLENDFACT_DST_COLR              0x09
 409 #define BLENDFACT_INV_DST_COLR          0x0a
 410 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 411 #define BLENDFACT_CONST_COLOR           0x0c
 412 #define BLENDFACT_INV_CONST_COLOR       0x0d
 413 #define BLENDFACT_CONST_ALPHA           0x0e
 414 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 415 #define BLENDFACT_MASK                  0x0f
 416
 417 enum {
 418    DRI_CONF_BO_REUSE_DISABLED,
 419    DRI_CONF_BO_REUSE_ALL
 420 };
 421
 422 extern int intel_translate_shadow_compare_func(GLenum func);
 423 extern int intel_translate_compare_func(GLenum func);
 424 extern int intel_translate_stencil_op(GLenum op);
 425 extern int intel_translate_blend_factor(GLenum factor);
 426
 427 void intel_update_renderbuffers(__DRIcontext *context,
 428                                 __DRIdrawable *drawable);
 429 void intel_prepare_render(struct intel_context *intel);
 430
 431 void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
 432                                   uint32_t buffer_id);
 433 void intel_init_texture_formats(struct gl_context *ctx);
 434
 435 /*======================================================================
 436  * Inline conversion functions.
 437  * These are better-typed than the macros used previously:
 438  */
 439 static inline struct intel_context *
 440 intel_context(struct gl_context * ctx)
 441 {
 442    return (struct intel_context *) ctx;
 443 }
 444
 445 #endif