src/gallium/auxiliary/util/u_tile.h

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   3  * Copyright 2007 VMware, Inc.
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  16  * of the Software.
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  27
  28 #ifndef P_TILE_H
  29 #define P_TILE_H
  30
  31 #include "pipe/p_compiler.h"
  32 #include "pipe/p_format.h"
  33 #include "pipe/p_state.h"
  34
  35 struct pipe_context;
  36 struct pipe_transfer;
  37
  38 /**
  39  * Clip tile against transfer dims.
  40  *
  41  * XXX: this only clips width and height!
  42  *
  43  * \return TRUE if tile is totally clipped, FALSE otherwise
  44  */
  45 static inline boolean
  46 u_clip_tile(uint x, uint y, uint *w, uint *h, const struct pipe_box *box)
  47 {
  48    if ((int) x >= box->width)
  49       return TRUE;
  50    if ((int) y >= box->height)
  51       return TRUE;
  52    if ((int) (x + *w) > box->width)
  53       *w = box->width - x;
  54    if ((int) (y + *h) > box->height)
  55       *h = box->height - y;
  56    return FALSE;
  57 }
  58
  59 #ifdef __cplusplus
  60 extern "C" {
  61 #endif
  62
  63 void
  64 pipe_get_tile_raw(struct pipe_transfer *pt,
  65                   const void *src,
  66                   uint x, uint y, uint w, uint h,
  67                   void *p, int dst_stride);
  68
  69 void
  70 pipe_put_tile_raw(struct pipe_transfer *pt,
  71                   void *dst,
  72                   uint x, uint y, uint w, uint h,
  73                   const void *p, int src_stride);
  74
  75
  76 void
  77 pipe_get_tile_rgba(struct pipe_transfer *pt,
  78                    const void *src,
  79                    uint x, uint y, uint w, uint h,
  80                    float *p);
  81
  82 void
  83 pipe_get_tile_rgba_format(struct pipe_transfer *pt,
  84                           const void *src,
  85                           uint x, uint y, uint w, uint h,
  86                           enum pipe_format format,
  87                           float *p);
  88
  89 void
  90 pipe_put_tile_rgba(struct pipe_transfer *pt,
  91                    void *dst,
  92                    uint x, uint y, uint w, uint h,
  93                    const float *p);
  94
  95 void
  96 pipe_put_tile_rgba_format(struct pipe_transfer *pt,
  97                           void *dst,
  98                           uint x, uint y, uint w, uint h,
  99                           enum pipe_format format,
 100                           const float *p);
 101
 102 void
 103 pipe_get_tile_ui_format(struct pipe_transfer *pt,
 104                         const void *src,
 105                         uint x, uint y, uint w, uint h,
 106                         enum pipe_format format,
 107                         unsigned int *p);
 108
 109 void
 110 pipe_get_tile_i_format(struct pipe_transfer *pt,
 111                        const void *src,
 112                        uint x, uint y, uint w, uint h,
 113                        enum pipe_format format,
 114                        int *p);
 115
 116 void
 117 pipe_put_tile_ui_format(struct pipe_transfer *pt,
 118                         void *dst,
 119                         uint x, uint y, uint w, uint h,
 120                         enum pipe_format format,
 121                         const unsigned *p);
 122
 123 void
 124 pipe_put_tile_i_format(struct pipe_transfer *pt,
 125                        void *dst,
 126                        uint x, uint y, uint w, uint h,
 127                        enum pipe_format format,
 128                        const int *p);
 129
 130 #ifdef __cplusplus
 131 }
 132 #endif
 133
 134 #endif