src/intel_batchbuffer.h

   1 #ifndef _INTEL_BATCHBUFFER_H_
   2 #define _INTEL_BATCHBUFFER_H_
   3
   4 #include <xf86drm.h>
   5 #include <drm.h>
   6 #include <i915_drm.h>
   7 #include <intel_bufmgr.h>
   8
   9 #include "intel_driver.h"
  10
  11 struct intel_batchbuffer
  12 {
  13     struct intel_driver_data *intel;
  14     dri_bo *buffer;
  15     unsigned int size;
  16     unsigned char *map;
  17     unsigned char *ptr;
  18     int atomic;
  19     int flag;
  20
  21     int emit_total;
  22     unsigned char *emit_start;
  23
  24     int (*run)(drm_intel_bo *bo, int used,
  25                drm_clip_rect_t *cliprects, int num_cliprects,
  26                int DR4, unsigned int ring_flag);
  27
  28     /* Used for Sandybdrige workaround */
  29     dri_bo *wa_render_bo;
  30 };
  31
  32 struct intel_batchbuffer *intel_batchbuffer_new(struct intel_driver_data *intel, int flag, int buffer_size);
  33 void intel_batchbuffer_free(struct intel_batchbuffer *batch);
  34 void intel_batchbuffer_start_atomic(struct intel_batchbuffer *batch, unsigned int size);
  35 void intel_batchbuffer_start_atomic_bcs(struct intel_batchbuffer *batch, unsigned int size);
  36 void intel_batchbuffer_start_atomic_blt(struct intel_batchbuffer *batch, unsigned int size);
  37 void intel_batchbuffer_start_atomic_veb(struct intel_batchbuffer *batch, unsigned int size);
  38 void intel_batchbuffer_end_atomic(struct intel_batchbuffer *batch);
  39 void intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, unsigned int x);
  40 void intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch, dri_bo *bo,
  41                                   uint32_t read_domains, uint32_t write_domains,
  42                                   uint32_t delta);
  43 void intel_batchbuffer_emit_reloc64(struct intel_batchbuffer *batch, dri_bo *bo,
  44                                   uint32_t read_domains, uint32_t write_domains,
  45                                   uint32_t delta);
  46 void intel_batchbuffer_require_space(struct intel_batchbuffer *batch, unsigned int size);
  47 void intel_batchbuffer_data(struct intel_batchbuffer *batch, void *data, unsigned int size);
  48 void intel_batchbuffer_emit_mi_flush(struct intel_batchbuffer *batch);
  49 void intel_batchbuffer_flush(struct intel_batchbuffer *batch);
  50 void intel_batchbuffer_begin_batch(struct intel_batchbuffer *batch, int total);
  51 void intel_batchbuffer_advance_batch(struct intel_batchbuffer *batch);
  52 void intel_batchbuffer_check_batchbuffer_flag(struct intel_batchbuffer *batch, int flag);
  53 int intel_batchbuffer_check_free_space(struct intel_batchbuffer *batch, int size);
  54 int intel_batchbuffer_used_size(struct intel_batchbuffer *batch);
  55 void intel_batchbuffer_align(struct intel_batchbuffer *batch, unsigned int alignedment);
  56
  57 typedef enum {
  58     BSD_DEFAULT,
  59     BSD_RING0,
  60     BSD_RING1,
  61 } bsd_ring_flag;
  62
  63 void intel_batchbuffer_start_atomic_bcs_override(struct intel_batchbuffer *batch, unsigned int size,
  64                                                  bsd_ring_flag override_flag);
  65
  66 #define __BEGIN_BATCH(batch, n, f) do {                         \
  67         assert(f == (batch->flag & I915_EXEC_RING_MASK));                               \
  68         intel_batchbuffer_check_batchbuffer_flag(batch, batch->flag);     \
  69         intel_batchbuffer_require_space(batch, (n) * 4);        \
  70         intel_batchbuffer_begin_batch(batch, (n));              \
  71     } while (0)
  72
  73 #define __OUT_BATCH(batch, d) do {              \
  74         intel_batchbuffer_emit_dword(batch, d); \
  75     } while (0)
  76
  77 #define __OUT_RELOC(batch, bo, read_domains, write_domain, delta) do {  \
  78         assert((delta) >= 0);                                           \
  79         intel_batchbuffer_emit_reloc(batch, bo,                         \
  80                                      read_domains, write_domain,        \
  81                                      delta);                            \
  82     } while (0)
  83
  84 /* Handle 48-bit address relocations for Gen8+ */
  85 #define __OUT_RELOC64(batch, bo, read_domains, write_domain, delta) do { \
  86          intel_batchbuffer_emit_reloc64(batch, bo,                       \
  87          read_domains, write_domain,                                     \
  88          delta);                                                         \
  89     } while (0)
  90
  91 #define __ADVANCE_BATCH(batch) do {             \
  92         intel_batchbuffer_advance_batch(batch); \
  93     } while (0)
  94
  95 #define BEGIN_BATCH(batch, n)           __BEGIN_BATCH(batch, n, I915_EXEC_RENDER)
  96 #define BEGIN_BLT_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_BLT)
  97 #define BEGIN_BCS_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_BSD)
  98 #define BEGIN_VEB_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_VEBOX)
  99
 100 #define OUT_BATCH(batch, d)             __OUT_BATCH(batch, d)
 101 #define OUT_BLT_BATCH(batch, d)         __OUT_BATCH(batch, d)
 102 #define OUT_BCS_BATCH(batch, d)         __OUT_BATCH(batch, d)
 103 #define OUT_VEB_BATCH(batch, d)         __OUT_BATCH(batch, d)
 104
 105 #define OUT_RELOC(batch, bo, read_domains, write_domain, delta) \
 106     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
 107 #define OUT_BLT_RELOC(batch, bo, read_domains, write_domain, delta)     \
 108     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
 109 #define OUT_BCS_RELOC(batch, bo, read_domains, write_domain, delta)     \
 110     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
 111 #define OUT_RELOC64(batch, bo, read_domains, write_domain, delta)       \
 112     __OUT_RELOC64(batch, bo, read_domains, write_domain, delta)
 113 #define OUT_BCS_RELOC64(batch, bo, read_domains, write_domain, delta)   \
 114     __OUT_RELOC64(batch, bo, read_domains, write_domain, delta)
 115
 116 #define ADVANCE_BATCH(batch)            __ADVANCE_BATCH(batch)
 117 #define ADVANCE_BLT_BATCH(batch)        __ADVANCE_BATCH(batch)
 118 #define ADVANCE_BCS_BATCH(batch)        __ADVANCE_BATCH(batch)
 119 #define ADVANCE_VEB_BATCH(batch)        __ADVANCE_BATCH(batch)
 120
 121 #endif /* _INTEL_BATCHBUFFER_H_ */