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_require_space(struct intel_batchbuffer *batch, unsigned int size);
  44 void intel_batchbuffer_data(struct intel_batchbuffer *batch, void *data, unsigned int size);
  45 void intel_batchbuffer_emit_mi_flush(struct intel_batchbuffer *batch);
  46 void intel_batchbuffer_flush(struct intel_batchbuffer *batch);
  47 void intel_batchbuffer_begin_batch(struct intel_batchbuffer *batch, int total);
  48 void intel_batchbuffer_advance_batch(struct intel_batchbuffer *batch);
  49 void intel_batchbuffer_check_batchbuffer_flag(struct intel_batchbuffer *batch, int flag);
  50 int intel_batchbuffer_check_free_space(struct intel_batchbuffer *batch, int size);
  51 int intel_batchbuffer_used_size(struct intel_batchbuffer *batch);
  52 void intel_batchbuffer_align(struct intel_batchbuffer *batch, unsigned int alignedment);
  53
  54 #define __BEGIN_BATCH(batch, n, f) do {                         \
  55         assert(f == batch->flag);                               \
  56         intel_batchbuffer_check_batchbuffer_flag(batch, f);     \
  57         intel_batchbuffer_require_space(batch, (n) * 4);        \
  58         intel_batchbuffer_begin_batch(batch, (n));              \
  59     } while (0)
  60
  61 #define __OUT_BATCH(batch, d) do {              \
  62         intel_batchbuffer_emit_dword(batch, d); \
  63     } while (0)
  64
  65 #define __OUT_RELOC(batch, bo, read_domains, write_domain, delta) do {  \
  66         assert((delta) >= 0);                                           \
  67         intel_batchbuffer_emit_reloc(batch, bo,                         \
  68                                      read_domains, write_domain,        \
  69                                      delta);                            \
  70     } while (0)
  71
  72 #define __ADVANCE_BATCH(batch) do {             \
  73         intel_batchbuffer_advance_batch(batch); \
  74     } while (0)
  75
  76 #define BEGIN_BATCH(batch, n)           __BEGIN_BATCH(batch, n, I915_EXEC_RENDER)
  77 #define BEGIN_BLT_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_BLT)
  78 #define BEGIN_BCS_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_BSD)
  79 #define BEGIN_VEB_BATCH(batch, n)       __BEGIN_BATCH(batch, n, I915_EXEC_VEBOX)
  80
  81 #define OUT_BATCH(batch, d)             __OUT_BATCH(batch, d)
  82 #define OUT_BLT_BATCH(batch, d)         __OUT_BATCH(batch, d)
  83 #define OUT_BCS_BATCH(batch, d)         __OUT_BATCH(batch, d)
  84 #define OUT_VEB_BATCH(batch, d)         __OUT_BATCH(batch, d)
  85
  86 #define OUT_RELOC(batch, bo, read_domains, write_domain, delta) \
  87     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
  88 #define OUT_BLT_RELOC(batch, bo, read_domains, write_domain, delta)     \
  89     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
  90 #define OUT_BCS_RELOC(batch, bo, read_domains, write_domain, delta)     \
  91     __OUT_RELOC(batch, bo, read_domains, write_domain, delta)
  92
  93 #define ADVANCE_BATCH(batch)            __ADVANCE_BATCH(batch)
  94 #define ADVANCE_BLT_BATCH(batch)        __ADVANCE_BATCH(batch)
  95 #define ADVANCE_BCS_BATCH(batch)        __ADVANCE_BATCH(batch)
  96 #define ADVANCE_VEB_BATCH(batch)        __ADVANCE_BATCH(batch)
  97
  98 #endif /* _INTEL_BATCHBUFFER_H_ */