src/gallium/drivers/freedreno/a2xx/fd2_util.h

   1 /*
   2  * Copyright (C) 2012-2013 Rob Clark <robclark@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #ifndef FD2_UTIL_H_
  28 #define FD2_UTIL_H_
  29
  30 #include "freedreno_util.h"
  31
  32 #include "a2xx.xml.h"
  33
  34 struct surface_format {
  35 /* If enum is a signed type, 0x7f is out of range. Cast it to avoid warnings. */
  36 #define FMT_INVALID ((enum a2xx_sq_surfaceformat) 0x7f)
  37         enum a2xx_sq_surfaceformat format : 7;
  38         enum sq_tex_sign sign : 2;
  39         enum sq_tex_num_format num_format : 1;
  40         int exp_adjust : 6;
  41 };
  42
  43 struct surface_format fd2_pipe2surface(enum pipe_format format);
  44 enum a2xx_colorformatx fd2_pipe2color(enum pipe_format format);
  45 uint32_t fd2_tex_swiz(enum pipe_format format, unsigned swizzle_r,
  46                 unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a);
  47 uint32_t fd2_vtx_swiz(enum pipe_format format, unsigned swizzle);
  48
  49 /* convert x,y to dword */
  50 static inline uint32_t xy2d(uint16_t x, uint16_t y)
  51 {
  52         return ((y & 0x3fff) << 16) | (x & 0x3fff);
  53 }
  54
  55 #endif /* FD2_UTIL_H_ */