Home | History | Annotate | Download | only in ilo 
      1 /*
      2  * Mesa 3-D graphics library
      3  *
      4  * Copyright (C) 2012-2013 LunarG, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included
     14  * in all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22  * DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors:
     25  *    Chia-I Wu <olv (at) lunarg.com>
     26  */
     27 
     28 #ifndef ILO_CP_H
     29 #define ILO_CP_H
     30 
     31 #include "core/ilo_builder.h"
     32 #include "core/intel_winsys.h"
     33 
     34 #include "ilo_common.h"
     35 
     36 struct ilo_cp;
     37 struct ilo_shader_cache;
     38 
     39 typedef void (*ilo_cp_callback)(struct ilo_cp *cp, void *data);
     40 
     41 /**
     42  * Parser owners are notified when they gain or lose the ownership of the
     43  * parser.  This gives owners a chance to emit prolog or epilog.
     44  */
     45 struct ilo_cp_owner {
     46    ilo_cp_callback own;
     47    ilo_cp_callback release;
     48    void *data;
     49 
     50    /*
     51     * Space reserved for release().  This can be modified at any time, as long
     52     * as it is never increased by more than ilo_cp_space().
     53     */
     54    int reserve;
     55 };
     56 
     57 /**
     58  * Command parser.
     59  */
     60 struct ilo_cp {
     61    struct intel_winsys *winsys;
     62    struct ilo_shader_cache *shader_cache;
     63    struct intel_context *render_ctx;
     64 
     65    ilo_cp_callback submit_callback;
     66    void *submit_callback_data;
     67 
     68    enum intel_ring_type ring;
     69    const struct ilo_cp_owner *owner;
     70 
     71    unsigned one_off_flags;
     72 
     73    struct ilo_builder builder;
     74    struct intel_bo *last_submitted_bo;
     75 
     76    uint32_t active_lost;
     77    uint32_t pending_lost;
     78 };
     79 
     80 struct ilo_cp *
     81 ilo_cp_create(const struct ilo_dev *dev,
     82               struct intel_winsys *winsys,
     83               struct ilo_shader_cache *shc);
     84 
     85 void
     86 ilo_cp_destroy(struct ilo_cp *cp);
     87 
     88 void
     89 ilo_cp_submit_internal(struct ilo_cp *cp);
     90 
     91 static inline void
     92 ilo_cp_submit(struct ilo_cp *cp, const char *reason)
     93 {
     94    if (ilo_debug & ILO_DEBUG_SUBMIT) {
     95       ilo_printf("submit batch buffer to %s ring because of %s: ",
     96             (cp->ring == INTEL_RING_RENDER) ? "render" : "unknown", reason);
     97       ilo_builder_batch_print_stats(&cp->builder);
     98    }
     99 
    100    ilo_cp_submit_internal(cp);
    101 }
    102 
    103 void
    104 ilo_cp_set_owner(struct ilo_cp *cp, enum intel_ring_type ring,
    105                  const struct ilo_cp_owner *owner);
    106 
    107 /**
    108  * Return the remaining space (in dwords) in the parser buffer.
    109  */
    110 static inline int
    111 ilo_cp_space(struct ilo_cp *cp)
    112 {
    113    const int space = ilo_builder_batch_space(&cp->builder);
    114    const int mi_batch_buffer_end_space = 2;
    115 
    116    assert(space >= cp->owner->reserve + mi_batch_buffer_end_space);
    117 
    118    return space - cp->owner->reserve - mi_batch_buffer_end_space;
    119 }
    120 
    121 /**
    122  * Set one-off flags.  They will be cleared after submission.
    123  */
    124 static inline void
    125 ilo_cp_set_one_off_flags(struct ilo_cp *cp, unsigned flags)
    126 {
    127    cp->one_off_flags |= flags;
    128 }
    129 
    130 /**
    131  * Set submit callback.  The callback is invoked after the bo has been
    132  * successfully submitted, and before the bo is reallocated.
    133  */
    134 static inline void
    135 ilo_cp_set_submit_callback(struct ilo_cp *cp, ilo_cp_callback callback,
    136                           void *data)
    137 {
    138    cp->submit_callback = callback;
    139    cp->submit_callback_data = data;
    140 }
    141 
    142 #endif /* ILO_CP_H */
    143