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  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.  
  29. struct intel_batchbuffer *intel_batchbuffer_new(struct intel_driver_data *intel, int flag, int buffer_size);
  30. void intel_batchbuffer_free(struct intel_batchbuffer *batch);
  31. void intel_batchbuffer_start_atomic(struct intel_batchbuffer *batch, unsigned int size);
  32. void intel_batchbuffer_start_atomic_bcs(struct intel_batchbuffer *batch, unsigned int size);
  33. void intel_batchbuffer_start_atomic_blt(struct intel_batchbuffer *batch, unsigned int size);
  34. void intel_batchbuffer_start_atomic_veb(struct intel_batchbuffer *batch, unsigned int size);
  35. void intel_batchbuffer_end_atomic(struct intel_batchbuffer *batch);
  36. void intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, unsigned int x);
  37. void intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch, dri_bo *bo,
  38.                                   uint32_t read_domains, uint32_t write_domains,
  39.                                   uint32_t delta);
  40. void intel_batchbuffer_require_space(struct intel_batchbuffer *batch, unsigned int size);
  41. void intel_batchbuffer_data(struct intel_batchbuffer *batch, void *data, unsigned int size);
  42. void intel_batchbuffer_emit_mi_flush(struct intel_batchbuffer *batch);
  43. void intel_batchbuffer_flush(struct intel_batchbuffer *batch);
  44. void intel_batchbuffer_begin_batch(struct intel_batchbuffer *batch, int total);
  45. void intel_batchbuffer_advance_batch(struct intel_batchbuffer *batch);
  46. void intel_batchbuffer_check_batchbuffer_flag(struct intel_batchbuffer *batch, int flag);
  47. int intel_batchbuffer_check_free_space(struct intel_batchbuffer *batch, int size);
  48. int intel_batchbuffer_used_size(struct intel_batchbuffer *batch);
  49. void intel_batchbuffer_align(struct intel_batchbuffer *batch, unsigned int alignedment);
  50.  
  51. #define __BEGIN_BATCH(batch, n, f) do {                         \
  52.         assert(f == batch->flag);                               \
  53.         intel_batchbuffer_check_batchbuffer_flag(batch, f);     \
  54.         intel_batchbuffer_require_space(batch, (n) * 4);        \
  55.         intel_batchbuffer_begin_batch(batch, (n));              \
  56.     } while (0)
  57.  
  58. #define __OUT_BATCH(batch, d) do {              \
  59.         intel_batchbuffer_emit_dword(batch, d); \
  60.     } while (0)
  61.  
  62. #define __OUT_RELOC(batch, bo, read_domains, write_domain, delta) do {  \
  63.         assert((delta) >= 0);                                           \
  64.         intel_batchbuffer_emit_reloc(batch, bo,                         \
  65.                                      read_domains, write_domain,        \
  66.                                      delta);                            \
  67.     } while (0)
  68.  
  69. #define __ADVANCE_BATCH(batch) do {             \
  70.         intel_batchbuffer_advance_batch(batch); \
  71.     } while (0)
  72.  
  73. #define BEGIN_BATCH(batch, n)           __BEGIN_BATCH(batch, n, I915_EXEC_RENDER)
  74. #define BEGIN_BLT_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_BLT)
  75. #define BEGIN_BCS_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_BSD)
  76. #define BEGIN_VEB_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_VEBOX)
  77.  
  78. #define OUT_BATCH(batch, d)             __OUT_BATCH(batch, d)
  79. #define OUT_BLT_BATCH(batch, d)         __OUT_BATCH(batch, d)
  80. #define OUT_BCS_BATCH(batch, d)         __OUT_BATCH(batch, d)
  81. #define OUT_VEB_BATCH(batch, d)         __OUT_BATCH(batch, d)
  82.  
  83. #define OUT_RELOC(batch, bo, read_domains, write_domain, delta) \
  84.     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
  85. #define OUT_BLT_RELOC(batch, bo, read_domains, write_domain, delta)     \
  86.     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
  87. #define OUT_BCS_RELOC(batch, bo, read_domains, write_domain, delta)     \
  88.     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
  89.  
  90. #define ADVANCE_BATCH(batch)            __ADVANCE_BATCH(batch)
  91. #define ADVANCE_BLT_BATCH(batch)        __ADVANCE_BATCH(batch)
  92. #define ADVANCE_BCS_BATCH(batch)        __ADVANCE_BATCH(batch)
  93. #define ADVANCE_VEB_BATCH(batch)        __ADVANCE_BATCH(batch)
  94.  
  95. #endif /* _INTEL_BATCHBUFFER_H_ */
  96.