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  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@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.