src/gallium/drivers/freedreno/a6xx/fd6_format.h

   1 /*
   2  * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
   3  * Copyright © 2018 Google, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  * Authors:
  25  *    Rob Clark <robclark@freedesktop.org>
  26  */
  27
  28 #ifndef FD6_UTIL_H_
  29 #define FD6_UTIL_H_
  30
  31 #include "freedreno_resource.h"
  32 #include "freedreno_util.h"
  33
  34 #include "a6xx.xml.h"
  35
  36 enum a6xx_vtx_fmt fd6_pipe2vtx(enum pipe_format format);
  37 enum a6xx_tex_fmt fd6_pipe2tex(enum pipe_format format);
  38 enum a6xx_color_fmt fd6_pipe2color(enum pipe_format format);
  39 enum a3xx_color_swap fd6_pipe2swap(enum pipe_format format);
  40 enum a6xx_tex_fetchsize fd6_pipe2fetchsize(enum pipe_format format);
  41 enum a6xx_depth_format fd6_pipe2depth(enum pipe_format format);
  42 enum a6xx_tex_swiz fd6_pipe2swiz(unsigned swiz);
  43
  44 void fd6_tex_swiz(enum pipe_format format, unsigned char *swiz,
  45                          unsigned swizzle_r, unsigned swizzle_g,
  46                          unsigned swizzle_b, unsigned swizzle_a);
  47
  48 uint32_t fd6_tex_const_0(struct pipe_resource *prsc,
  49                                           unsigned level, enum pipe_format format,
  50                                           unsigned swizzle_r, unsigned swizzle_g,
  51                                           unsigned swizzle_b, unsigned swizzle_a);
  52
  53 static inline enum a6xx_2d_ifmt
  54 fd6_ifmt(enum a6xx_color_fmt fmt)
  55 {
  56         switch (fmt) {
  57         case RB6_A8_UNORM:
  58         case RB6_R8_UNORM:
  59         case RB6_R8_SNORM:
  60         case RB6_R8G8_UNORM:
  61         case RB6_R8G8_SNORM:
  62         case RB6_R8G8B8A8_UNORM:
  63         case RB6_R8G8B8_UNORM:
  64         case RB6_R8G8B8A8_SNORM:
  65                 return R2D_UNORM8;
  66
  67         case RB6_R32_UINT:
  68         case RB6_R32_SINT:
  69         case RB6_R32G32_UINT:
  70         case RB6_R32G32_SINT:
  71         case RB6_R32G32B32A32_UINT:
  72         case RB6_R32G32B32A32_SINT:
  73                 return R2D_INT32;
  74
  75         case RB6_R16_UINT:
  76         case RB6_R16_SINT:
  77         case RB6_R16G16_UINT:
  78         case RB6_R16G16_SINT:
  79         case RB6_R16G16B16A16_UINT:
  80         case RB6_R16G16B16A16_SINT:
  81                 return R2D_INT16;
  82
  83         case RB6_R8_UINT:
  84         case RB6_R8_SINT:
  85         case RB6_R8G8_UINT:
  86         case RB6_R8G8_SINT:
  87         case RB6_R8G8B8A8_UINT:
  88         case RB6_R8G8B8A8_SINT:
  89                 return R2D_INT8;
  90
  91         case RB6_R16_UNORM:
  92         case RB6_R16_SNORM:
  93         case RB6_R16G16_UNORM:
  94         case RB6_R16G16_SNORM:
  95         case RB6_R16G16B16A16_UNORM:
  96         case RB6_R16G16B16A16_SNORM:
  97         case RB6_R32_FLOAT:
  98         case RB6_R32G32_FLOAT:
  99         case RB6_R32G32B32A32_FLOAT:
 100                 return R2D_FLOAT32;
 101
 102         case RB6_R16_FLOAT:
 103         case RB6_R16G16_FLOAT:
 104         case RB6_R16G16B16A16_FLOAT:
 105                 return R2D_FLOAT16;
 106
 107         case RB6_R4G4B4A4_UNORM:
 108         case RB6_R5G5B5A1_UNORM:
 109         case RB6_R5G6B5_UNORM:
 110         case RB6_R10G10B10A2_UNORM:
 111         case RB6_R10G10B10A2_UINT:
 112         case RB6_R11G11B10_FLOAT:
 113         case RB6_X8Z24_UNORM:
 114                 // ???
 115                 return 0;
 116         default:
 117                 unreachable("bad format");
 118                 return 0;
 119         }
 120 }
 121
 122 #endif /* FD6_UTIL_H_ */