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      1 /**************************************************************************
      2  *
      3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     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 (x >= box->width)
     49       return TRUE;
     50    if (y >= box->height)
     51       return TRUE;
     52    if (x + *w > box->width)
     53       *w = box->width - x;
     54    if (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_context *pipe,
     65                   struct pipe_transfer *pt,
     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_context *pipe,
     71                   struct pipe_transfer *pt,
     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_context *pipe,
     78                    struct pipe_transfer *pt,
     79                    uint x, uint y, uint w, uint h,
     80                    float *p);
     81 
     82 void
     83 pipe_get_tile_rgba_format(struct pipe_context *pipe,
     84                           struct pipe_transfer *pt,
     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_context *pipe,
     91                    struct pipe_transfer *pt,
     92                    uint x, uint y, uint w, uint h,
     93                    const float *p);
     94 
     95 void
     96 pipe_put_tile_rgba_format(struct pipe_context *pipe,
     97                           struct pipe_transfer *pt,
     98                           uint x, uint y, uint w, uint h,
     99                           enum pipe_format format,
    100                           const float *p);
    101 
    102 
    103 void
    104 pipe_get_tile_z(struct pipe_context *pipe,
    105                 struct pipe_transfer *pt,
    106                 uint x, uint y, uint w, uint h,
    107                 uint *z);
    108 
    109 void
    110 pipe_put_tile_z(struct pipe_context *pipe,
    111                 struct pipe_transfer *pt,
    112                 uint x, uint y, uint w, uint h,
    113                 const uint *z);
    114 
    115 void
    116 pipe_tile_raw_to_rgba(enum pipe_format format,
    117                       void *src,
    118                       uint w, uint h,
    119                       float *dst, unsigned dst_stride);
    120 
    121 void
    122 pipe_tile_raw_to_unsigned(enum pipe_format format,
    123                           void *src,
    124                           uint w, uint h,
    125                           unsigned *dst, unsigned dst_stride);
    126 
    127 void
    128 pipe_tile_raw_to_signed(enum pipe_format format,
    129                         void *src,
    130                         uint w, uint h,
    131                         int *dst, unsigned dst_stride);
    132 
    133 void
    134 pipe_get_tile_ui_format(struct pipe_context *pipe,
    135                         struct pipe_transfer *pt,
    136                         uint x, uint y, uint w, uint h,
    137                         enum pipe_format format,
    138                         unsigned int *p);
    139 
    140 void
    141 pipe_get_tile_i_format(struct pipe_context *pipe,
    142                        struct pipe_transfer *pt,
    143                        uint x, uint y, uint w, uint h,
    144                        enum pipe_format format,
    145                        int *p);
    146 
    147 void
    148 pipe_put_tile_ui_format(struct pipe_context *pipe,
    149                         struct pipe_transfer *pt,
    150                         uint x, uint y, uint w, uint h,
    151                         enum pipe_format format,
    152                         const unsigned *p);
    153 
    154 void
    155 pipe_put_tile_i_format(struct pipe_context *pipe,
    156                        struct pipe_transfer *pt,
    157                        uint x, uint y, uint w, uint h,
    158                        enum pipe_format format,
    159                        const int *p);
    160 
    161 #ifdef __cplusplus
    162 }
    163 #endif
    164 
    165 #endif
    166