src/gallium/drivers/iris/iris_batch.h

   1 /*
   2  * Copyright © 2017 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef IRIS_BATCH_DOT_H
  25 #define IRIS_BATCH_DOT_H
  26
  27 #include <stdint.h>
  28 #include <stdbool.h>
  29
  30 struct iris_address {
  31    struct iris_bo *bo;
  32    unsigned reloc_flags;
  33    uint32_t offset;
  34 };
  35
  36 struct iris_reloc_list {
  37    struct drm_i915_gem_relocation_entry *relocs;
  38    int reloc_count;
  39    int reloc_array_size;
  40 };
  41
  42 struct iris_batch {
  43    struct iris_screen *screen;
  44    struct pipe_debug_callback *dbg;
  45
  46    /** Current batchbuffer being queued up. */
  47    struct iris_bo *cmd_bo;
  48    /** Current statebuffer being queued up. */
  49    struct iris_bo *state_bo;
  50
  51    /** Last BO submitted to the hardware.  Used for glFinish(). */
  52    struct iris_bo *last_cmd_bo;
  53
  54    uint32_t hw_ctx_id;
  55
  56    void *cmd_map_next;
  57    void *cmd_map;
  58    void *state_map;
  59    void *state_map_next;
  60
  61    bool no_wrap;
  62
  63    struct iris_reloc_list batch_relocs;
  64    struct iris_reloc_list state_relocs;
  65
  66    /** The validation list */
  67    struct drm_i915_gem_exec_object2 *validation_list;
  68    struct iris_bo **exec_bos;
  69    int exec_count;
  70    int exec_array_size;
  71
  72    /** The amount of aperture space (in bytes) used by all exec_bos */
  73    int aperture_space;
  74
  75    /** Map from batch offset to iris_alloc_state data (with DEBUG_BATCH) */
  76    struct hash_table *state_sizes;
  77 };
  78
  79 void iris_batch_init(struct iris_batch *batch,
  80                      struct iris_screen *screen,
  81                      struct pipe_debug_callback *dbg);
  82 void iris_batch_free(struct iris_batch *batch);
  83 void iris_require_command_space(struct iris_batch *batch, unsigned size);
  84 void iris_require_state_space(struct iris_batch *batch, unsigned size);
  85 void iris_batch_emit(struct iris_batch *batch, const void *data, unsigned size);
  86 void *iris_alloc_state(struct iris_batch *batch, int size, int alignment,
  87                        uint32_t *out_offset);
  88
  89 int _iris_batch_flush_fence(struct iris_batch *batch,
  90                             int in_fence_fd, int *out_fence_fd,
  91                             const char *file, int line);
  92
  93
  94 #define iris_batch_flush_fence(batch, in_fence_fd, out_fence_fd) \
  95    _iris_batch_flush_fence((batch), (in_fence_fd), (out_fence_fd), \
  96                            __FILE__, __LINE__)
  97
  98 #define iris_batch_flush(batch) iris_batch_flush_fence((batch), -1, NULL)
  99
 100 bool iris_batch_references(struct iris_batch *batch, struct iris_bo *bo);
 101
 102 #define RELOC_WRITE EXEC_OBJECT_WRITE
 103
 104 uint64_t iris_batch_reloc(struct iris_batch *batch,
 105                           uint32_t batch_offset,
 106                           struct iris_bo *target,
 107                           uint32_t target_offset,
 108                           unsigned flags);
 109
 110 uint64_t iris_state_reloc(struct iris_batch *batch,
 111                           uint32_t batch_offset,
 112                           struct iris_bo *target,
 113                           uint32_t target_offset,
 114                           unsigned flags);
 115 #endif