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_buffer {
  43    struct iris_bo *bo;
  44    void *map;
  45    void *map_next;
  46
  47    struct iris_bo *partial_bo;
  48    unsigned partial_bytes;
  49
  50    struct iris_reloc_list relocs;
  51 };
  52
  53 struct iris_batch {
  54    struct iris_screen *screen;
  55    struct pipe_debug_callback *dbg;
  56
  57    /** Current batchbuffer being queued up. */
  58    struct iris_batch_buffer cmdbuf;
  59    /** Current statebuffer being queued up. */
  60    struct iris_batch_buffer statebuf;
  61
  62    /** Last BO submitted to the hardware.  Used for glFinish(). */
  63    struct iris_bo *last_cmd_bo;
  64
  65    uint32_t hw_ctx_id;
  66
  67    bool no_wrap;
  68
  69    /** The validation list */
  70    struct drm_i915_gem_exec_object2 *validation_list;
  71    struct iris_bo **exec_bos;
  72    int exec_count;
  73    int exec_array_size;
  74
  75    /** The amount of aperture space (in bytes) used by all exec_bos */
  76    int aperture_space;
  77
  78    /** Map from batch offset to iris_alloc_state data (with DEBUG_BATCH) */
  79    struct hash_table *state_sizes;
  80 };
  81
  82 void iris_batch_init(struct iris_batch *batch,
  83                      struct iris_screen *screen,
  84                      struct pipe_debug_callback *dbg);
  85 void iris_batch_free(struct iris_batch *batch);
  86 void iris_require_command_space(struct iris_batch *batch, unsigned size);
  87 void iris_require_state_space(struct iris_batch *batch, unsigned size);
  88 void iris_batch_emit(struct iris_batch *batch, const void *data, unsigned size);
  89 uint32_t iris_emit_state(struct iris_batch *batch, const void *data, int size,
  90                          int alignment);
  91 void *iris_alloc_state(struct iris_batch *batch, int size, int alignment,
  92                        uint32_t *out_offset);
  93
  94 int _iris_batch_flush_fence(struct iris_batch *batch,
  95                             int in_fence_fd, int *out_fence_fd,
  96                             const char *file, int line);
  97
  98
  99 #define iris_batch_flush_fence(batch, in_fence_fd, out_fence_fd) \
 100    _iris_batch_flush_fence((batch), (in_fence_fd), (out_fence_fd), \
 101                            __FILE__, __LINE__)
 102
 103 #define iris_batch_flush(batch) iris_batch_flush_fence((batch), -1, NULL)
 104
 105 bool iris_batch_references(struct iris_batch *batch, struct iris_bo *bo);
 106
 107 #define RELOC_WRITE EXEC_OBJECT_WRITE
 108
 109 uint64_t iris_batch_reloc(struct iris_batch *batch,
 110                           uint32_t batch_offset,
 111                           struct iris_bo *target,
 112                           uint32_t target_offset,
 113                           unsigned flags);
 114
 115 uint64_t iris_state_reloc(struct iris_batch *batch,
 116                           uint32_t batch_offset,
 117                           struct iris_bo *target,
 118                           uint32_t target_offset,
 119                           unsigned flags);
 120 #endif