src/gallium/drivers/ilo/ilo_format.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2012-2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the 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
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #include "genhw/genhw.h"
  29 #include "core/ilo_state_surface.h"
  30 #include "core/ilo_state_vf.h"
  31 #include "ilo_format.h"
  32
  33 bool
  34 ilo_format_support_vb(const struct ilo_dev *dev,
  35                       enum pipe_format format)
  36 {
  37    const int idx = ilo_format_translate(dev, format, PIPE_BIND_VERTEX_BUFFER);
  38
  39    return (idx >= 0 && ilo_state_vf_valid_element_format(dev, idx));
  40 }
  41
  42 bool
  43 ilo_format_support_sol(const struct ilo_dev *dev,
  44                        enum pipe_format format)
  45 {
  46    const int idx = ilo_format_translate(dev, format, PIPE_BIND_STREAM_OUTPUT);
  47
  48    return (idx >= 0 && ilo_state_surface_valid_format(dev,
  49             ILO_STATE_SURFACE_ACCESS_DP_SVB, idx));
  50 }
  51
  52 bool
  53 ilo_format_support_sampler(const struct ilo_dev *dev,
  54                            enum pipe_format format)
  55 {
  56    const int idx = ilo_format_translate(dev, format, PIPE_BIND_SAMPLER_VIEW);
  57
  58    return (idx >= 0 && ilo_state_surface_valid_format(dev,
  59             ILO_STATE_SURFACE_ACCESS_SAMPLER, idx));
  60 }
  61
  62 bool
  63 ilo_format_support_rt(const struct ilo_dev *dev,
  64                       enum pipe_format format)
  65 {
  66    const int idx = ilo_format_translate(dev, format, PIPE_BIND_RENDER_TARGET);
  67
  68    return (idx >= 0 && ilo_state_surface_valid_format(dev,
  69             ILO_STATE_SURFACE_ACCESS_DP_RENDER, idx));
  70 }
  71
  72 bool
  73 ilo_format_support_zs(const struct ilo_dev *dev,
  74                       enum pipe_format format)
  75 {
  76    switch (format) {
  77    case PIPE_FORMAT_Z16_UNORM:
  78    case PIPE_FORMAT_Z24X8_UNORM:
  79    case PIPE_FORMAT_Z32_FLOAT:
  80    case PIPE_FORMAT_Z24_UNORM_S8_UINT:
  81    case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
  82       return true;
  83    case PIPE_FORMAT_S8_UINT:
  84       /* TODO separate stencil */
  85    default:
  86       return false;
  87    }
  88 }
  89
  90 /**
  91  * Translate a color (non-depth/stencil) pipe format to the matching hardware
  92  * format.  Return -1 on errors.
  93  */
  94 int
  95 ilo_format_translate_color(const struct ilo_dev *dev,
  96                            enum pipe_format format)
  97 {
  98    static const int format_mapping[PIPE_FORMAT_COUNT] = {
  99       [PIPE_FORMAT_NONE]                  = 0,
 100       [PIPE_FORMAT_B8G8R8A8_UNORM]        = GEN6_FORMAT_B8G8R8A8_UNORM,
 101       [PIPE_FORMAT_B8G8R8X8_UNORM]        = GEN6_FORMAT_B8G8R8X8_UNORM,
 102       [PIPE_FORMAT_A8R8G8B8_UNORM]        = 0,
 103       [PIPE_FORMAT_X8R8G8B8_UNORM]        = 0,
 104       [PIPE_FORMAT_B5G5R5A1_UNORM]        = GEN6_FORMAT_B5G5R5A1_UNORM,
 105       [PIPE_FORMAT_B4G4R4A4_UNORM]        = GEN6_FORMAT_B4G4R4A4_UNORM,
 106       [PIPE_FORMAT_B5G6R5_UNORM]          = GEN6_FORMAT_B5G6R5_UNORM,
 107       [PIPE_FORMAT_R10G10B10A2_UNORM]     = GEN6_FORMAT_R10G10B10A2_UNORM,
 108       [PIPE_FORMAT_L8_UNORM]              = GEN6_FORMAT_L8_UNORM,
 109       [PIPE_FORMAT_A8_UNORM]              = GEN6_FORMAT_A8_UNORM,
 110       [PIPE_FORMAT_I8_UNORM]              = GEN6_FORMAT_I8_UNORM,
 111       [PIPE_FORMAT_L8A8_UNORM]            = GEN6_FORMAT_L8A8_UNORM,
 112       [PIPE_FORMAT_L16_UNORM]             = GEN6_FORMAT_L16_UNORM,
 113       [PIPE_FORMAT_UYVY]                  = GEN6_FORMAT_YCRCB_SWAPUVY,
 114       [PIPE_FORMAT_YUYV]                  = GEN6_FORMAT_YCRCB_NORMAL,
 115       [PIPE_FORMAT_Z16_UNORM]             = 0,
 116       [PIPE_FORMAT_Z32_UNORM]             = 0,
 117       [PIPE_FORMAT_Z32_FLOAT]             = 0,
 118       [PIPE_FORMAT_Z24_UNORM_S8_UINT]     = 0,
 119       [PIPE_FORMAT_S8_UINT_Z24_UNORM]     = 0,
 120       [PIPE_FORMAT_Z24X8_UNORM]           = 0,
 121       [PIPE_FORMAT_X8Z24_UNORM]           = 0,
 122       [PIPE_FORMAT_S8_UINT]               = 0,
 123       [PIPE_FORMAT_R64_FLOAT]             = GEN6_FORMAT_R64_FLOAT,
 124       [PIPE_FORMAT_R64G64_FLOAT]          = GEN6_FORMAT_R64G64_FLOAT,
 125       [PIPE_FORMAT_R64G64B64_FLOAT]       = GEN6_FORMAT_R64G64B64_FLOAT,
 126       [PIPE_FORMAT_R64G64B64A64_FLOAT]    = GEN6_FORMAT_R64G64B64A64_FLOAT,
 127       [PIPE_FORMAT_R32_FLOAT]             = GEN6_FORMAT_R32_FLOAT,
 128       [PIPE_FORMAT_R32G32_FLOAT]          = GEN6_FORMAT_R32G32_FLOAT,
 129       [PIPE_FORMAT_R32G32B32_FLOAT]       = GEN6_FORMAT_R32G32B32_FLOAT,
 130       [PIPE_FORMAT_R32G32B32A32_FLOAT]    = GEN6_FORMAT_R32G32B32A32_FLOAT,
 131       [PIPE_FORMAT_R32_UNORM]             = GEN6_FORMAT_R32_UNORM,
 132       [PIPE_FORMAT_R32G32_UNORM]          = GEN6_FORMAT_R32G32_UNORM,
 133       [PIPE_FORMAT_R32G32B32_UNORM]       = GEN6_FORMAT_R32G32B32_UNORM,
 134       [PIPE_FORMAT_R32G32B32A32_UNORM]    = GEN6_FORMAT_R32G32B32A32_UNORM,
 135       [PIPE_FORMAT_R32_USCALED]           = GEN6_FORMAT_R32_USCALED,
 136       [PIPE_FORMAT_R32G32_USCALED]        = GEN6_FORMAT_R32G32_USCALED,
 137       [PIPE_FORMAT_R32G32B32_USCALED]     = GEN6_FORMAT_R32G32B32_USCALED,
 138       [PIPE_FORMAT_R32G32B32A32_USCALED]  = GEN6_FORMAT_R32G32B32A32_USCALED,
 139       [PIPE_FORMAT_R32_SNORM]             = GEN6_FORMAT_R32_SNORM,
 140       [PIPE_FORMAT_R32G32_SNORM]          = GEN6_FORMAT_R32G32_SNORM,
 141       [PIPE_FORMAT_R32G32B32_SNORM]       = GEN6_FORMAT_R32G32B32_SNORM,
 142       [PIPE_FORMAT_R32G32B32A32_SNORM]    = GEN6_FORMAT_R32G32B32A32_SNORM,
 143       [PIPE_FORMAT_R32_SSCALED]           = GEN6_FORMAT_R32_SSCALED,
 144       [PIPE_FORMAT_R32G32_SSCALED]        = GEN6_FORMAT_R32G32_SSCALED,
 145       [PIPE_FORMAT_R32G32B32_SSCALED]     = GEN6_FORMAT_R32G32B32_SSCALED,
 146       [PIPE_FORMAT_R32G32B32A32_SSCALED]  = GEN6_FORMAT_R32G32B32A32_SSCALED,
 147       [PIPE_FORMAT_R16_UNORM]             = GEN6_FORMAT_R16_UNORM,
 148       [PIPE_FORMAT_R16G16_UNORM]          = GEN6_FORMAT_R16G16_UNORM,
 149       [PIPE_FORMAT_R16G16B16_UNORM]       = GEN6_FORMAT_R16G16B16_UNORM,
 150       [PIPE_FORMAT_R16G16B16A16_UNORM]    = GEN6_FORMAT_R16G16B16A16_UNORM,
 151       [PIPE_FORMAT_R16_USCALED]           = GEN6_FORMAT_R16_USCALED,
 152       [PIPE_FORMAT_R16G16_USCALED]        = GEN6_FORMAT_R16G16_USCALED,
 153       [PIPE_FORMAT_R16G16B16_USCALED]     = GEN6_FORMAT_R16G16B16_USCALED,
 154       [PIPE_FORMAT_R16G16B16A16_USCALED]  = GEN6_FORMAT_R16G16B16A16_USCALED,
 155       [PIPE_FORMAT_R16_SNORM]             = GEN6_FORMAT_R16_SNORM,
 156       [PIPE_FORMAT_R16G16_SNORM]          = GEN6_FORMAT_R16G16_SNORM,
 157       [PIPE_FORMAT_R16G16B16_SNORM]       = GEN6_FORMAT_R16G16B16_SNORM,
 158       [PIPE_FORMAT_R16G16B16A16_SNORM]    = GEN6_FORMAT_R16G16B16A16_SNORM,
 159       [PIPE_FORMAT_R16_SSCALED]           = GEN6_FORMAT_R16_SSCALED,
 160       [PIPE_FORMAT_R16G16_SSCALED]        = GEN6_FORMAT_R16G16_SSCALED,
 161       [PIPE_FORMAT_R16G16B16_SSCALED]     = GEN6_FORMAT_R16G16B16_SSCALED,
 162       [PIPE_FORMAT_R16G16B16A16_SSCALED]  = GEN6_FORMAT_R16G16B16A16_SSCALED,
 163       [PIPE_FORMAT_R8_UNORM]              = GEN6_FORMAT_R8_UNORM,
 164       [PIPE_FORMAT_R8G8_UNORM]            = GEN6_FORMAT_R8G8_UNORM,
 165       [PIPE_FORMAT_R8G8B8_UNORM]          = GEN6_FORMAT_R8G8B8_UNORM,
 166       [PIPE_FORMAT_R8G8B8A8_UNORM]        = GEN6_FORMAT_R8G8B8A8_UNORM,
 167       [PIPE_FORMAT_X8B8G8R8_UNORM]        = 0,
 168       [PIPE_FORMAT_R8_USCALED]            = GEN6_FORMAT_R8_USCALED,
 169       [PIPE_FORMAT_R8G8_USCALED]          = GEN6_FORMAT_R8G8_USCALED,
 170       [PIPE_FORMAT_R8G8B8_USCALED]        = GEN6_FORMAT_R8G8B8_USCALED,
 171       [PIPE_FORMAT_R8G8B8A8_USCALED]      = GEN6_FORMAT_R8G8B8A8_USCALED,
 172       [PIPE_FORMAT_R8_SNORM]              = GEN6_FORMAT_R8_SNORM,
 173       [PIPE_FORMAT_R8G8_SNORM]            = GEN6_FORMAT_R8G8_SNORM,
 174       [PIPE_FORMAT_R8G8B8_SNORM]          = GEN6_FORMAT_R8G8B8_SNORM,
 175       [PIPE_FORMAT_R8G8B8A8_SNORM]        = GEN6_FORMAT_R8G8B8A8_SNORM,
 176       [PIPE_FORMAT_R8_SSCALED]            = GEN6_FORMAT_R8_SSCALED,
 177       [PIPE_FORMAT_R8G8_SSCALED]          = GEN6_FORMAT_R8G8_SSCALED,
 178       [PIPE_FORMAT_R8G8B8_SSCALED]        = GEN6_FORMAT_R8G8B8_SSCALED,
 179       [PIPE_FORMAT_R8G8B8A8_SSCALED]      = GEN6_FORMAT_R8G8B8A8_SSCALED,
 180       [PIPE_FORMAT_R32_FIXED]             = GEN6_FORMAT_R32_SFIXED,
 181       [PIPE_FORMAT_R32G32_FIXED]          = GEN6_FORMAT_R32G32_SFIXED,
 182       [PIPE_FORMAT_R32G32B32_FIXED]       = GEN6_FORMAT_R32G32B32_SFIXED,
 183       [PIPE_FORMAT_R32G32B32A32_FIXED]    = GEN6_FORMAT_R32G32B32A32_SFIXED,
 184       [PIPE_FORMAT_R16_FLOAT]             = GEN6_FORMAT_R16_FLOAT,
 185       [PIPE_FORMAT_R16G16_FLOAT]          = GEN6_FORMAT_R16G16_FLOAT,
 186       [PIPE_FORMAT_R16G16B16_FLOAT]       = GEN6_FORMAT_R16G16B16_FLOAT,
 187       [PIPE_FORMAT_R16G16B16A16_FLOAT]    = GEN6_FORMAT_R16G16B16A16_FLOAT,
 188       [PIPE_FORMAT_L8_SRGB]               = GEN6_FORMAT_L8_UNORM_SRGB,
 189       [PIPE_FORMAT_L8A8_SRGB]             = GEN6_FORMAT_L8A8_UNORM_SRGB,
 190       [PIPE_FORMAT_R8G8B8_SRGB]           = GEN6_FORMAT_R8G8B8_UNORM_SRGB,
 191       [PIPE_FORMAT_A8B8G8R8_SRGB]         = 0,
 192       [PIPE_FORMAT_X8B8G8R8_SRGB]         = 0,
 193       [PIPE_FORMAT_B8G8R8A8_SRGB]         = GEN6_FORMAT_B8G8R8A8_UNORM_SRGB,
 194       [PIPE_FORMAT_B8G8R8X8_SRGB]         = GEN6_FORMAT_B8G8R8X8_UNORM_SRGB,
 195       [PIPE_FORMAT_A8R8G8B8_SRGB]         = 0,
 196       [PIPE_FORMAT_X8R8G8B8_SRGB]         = 0,
 197       [PIPE_FORMAT_R8G8B8A8_SRGB]         = GEN6_FORMAT_R8G8B8A8_UNORM_SRGB,
 198       [PIPE_FORMAT_DXT1_RGB]              = GEN6_FORMAT_DXT1_RGB,
 199       [PIPE_FORMAT_DXT1_RGBA]             = GEN6_FORMAT_BC1_UNORM,
 200       [PIPE_FORMAT_DXT3_RGBA]             = GEN6_FORMAT_BC2_UNORM,
 201       [PIPE_FORMAT_DXT5_RGBA]             = GEN6_FORMAT_BC3_UNORM,
 202       [PIPE_FORMAT_DXT1_SRGB]             = GEN6_FORMAT_DXT1_RGB_SRGB,
 203       [PIPE_FORMAT_DXT1_SRGBA]            = GEN6_FORMAT_BC1_UNORM_SRGB,
 204       [PIPE_FORMAT_DXT3_SRGBA]            = GEN6_FORMAT_BC2_UNORM_SRGB,
 205       [PIPE_FORMAT_DXT5_SRGBA]            = GEN6_FORMAT_BC3_UNORM_SRGB,
 206       [PIPE_FORMAT_RGTC1_UNORM]           = GEN6_FORMAT_BC4_UNORM,
 207       [PIPE_FORMAT_RGTC1_SNORM]           = GEN6_FORMAT_BC4_SNORM,
 208       [PIPE_FORMAT_RGTC2_UNORM]           = GEN6_FORMAT_BC5_UNORM,
 209       [PIPE_FORMAT_RGTC2_SNORM]           = GEN6_FORMAT_BC5_SNORM,
 210       [PIPE_FORMAT_R8G8_B8G8_UNORM]       = 0,
 211       [PIPE_FORMAT_G8R8_G8B8_UNORM]       = 0,
 212       [PIPE_FORMAT_R8SG8SB8UX8U_NORM]     = 0,
 213       [PIPE_FORMAT_R5SG5SB6U_NORM]        = 0,
 214       [PIPE_FORMAT_A8B8G8R8_UNORM]        = 0,
 215       [PIPE_FORMAT_B5G5R5X1_UNORM]        = GEN6_FORMAT_B5G5R5X1_UNORM,
 216       [PIPE_FORMAT_R10G10B10A2_USCALED]   = GEN6_FORMAT_R10G10B10A2_USCALED,
 217       [PIPE_FORMAT_R11G11B10_FLOAT]       = GEN6_FORMAT_R11G11B10_FLOAT,
 218       [PIPE_FORMAT_R9G9B9E5_FLOAT]        = GEN6_FORMAT_R9G9B9E5_SHAREDEXP,
 219       [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT]  = 0,
 220       [PIPE_FORMAT_R1_UNORM]              = GEN6_FORMAT_R1_UNORM,
 221       [PIPE_FORMAT_R10G10B10X2_USCALED]   = GEN6_FORMAT_R10G10B10X2_USCALED,
 222       [PIPE_FORMAT_R10G10B10X2_SNORM]     = 0,
 223       [PIPE_FORMAT_L4A4_UNORM]            = 0,
 224       [PIPE_FORMAT_B10G10R10A2_UNORM]     = GEN6_FORMAT_B10G10R10A2_UNORM,
 225       [PIPE_FORMAT_R10SG10SB10SA2U_NORM]  = 0,
 226       [PIPE_FORMAT_R8G8Bx_SNORM]          = 0,
 227       [PIPE_FORMAT_R8G8B8X8_UNORM]        = GEN6_FORMAT_R8G8B8X8_UNORM,
 228       [PIPE_FORMAT_B4G4R4X4_UNORM]        = 0,
 229       [PIPE_FORMAT_X24S8_UINT]            = 0,
 230       [PIPE_FORMAT_S8X24_UINT]            = 0,
 231       [PIPE_FORMAT_X32_S8X24_UINT]        = 0,
 232       [PIPE_FORMAT_B2G3R3_UNORM]          = 0,
 233       [PIPE_FORMAT_L16A16_UNORM]          = GEN6_FORMAT_L16A16_UNORM,
 234       [PIPE_FORMAT_A16_UNORM]             = GEN6_FORMAT_A16_UNORM,
 235       [PIPE_FORMAT_I16_UNORM]             = GEN6_FORMAT_I16_UNORM,
 236       [PIPE_FORMAT_LATC1_UNORM]           = 0,
 237       [PIPE_FORMAT_LATC1_SNORM]           = 0,
 238       [PIPE_FORMAT_LATC2_UNORM]           = 0,
 239       [PIPE_FORMAT_LATC2_SNORM]           = 0,
 240       [PIPE_FORMAT_A8_SNORM]              = 0,
 241       [PIPE_FORMAT_L8_SNORM]              = 0,
 242       [PIPE_FORMAT_L8A8_SNORM]            = 0,
 243       [PIPE_FORMAT_I8_SNORM]              = 0,
 244       [PIPE_FORMAT_A16_SNORM]             = 0,
 245       [PIPE_FORMAT_L16_SNORM]             = 0,
 246       [PIPE_FORMAT_L16A16_SNORM]          = 0,
 247       [PIPE_FORMAT_I16_SNORM]             = 0,
 248       [PIPE_FORMAT_A16_FLOAT]             = GEN6_FORMAT_A16_FLOAT,
 249       [PIPE_FORMAT_L16_FLOAT]             = GEN6_FORMAT_L16_FLOAT,
 250       [PIPE_FORMAT_L16A16_FLOAT]          = GEN6_FORMAT_L16A16_FLOAT,
 251       [PIPE_FORMAT_I16_FLOAT]             = GEN6_FORMAT_I16_FLOAT,
 252       [PIPE_FORMAT_A32_FLOAT]             = GEN6_FORMAT_A32_FLOAT,
 253       [PIPE_FORMAT_L32_FLOAT]             = GEN6_FORMAT_L32_FLOAT,
 254       [PIPE_FORMAT_L32A32_FLOAT]          = GEN6_FORMAT_L32A32_FLOAT,
 255       [PIPE_FORMAT_I32_FLOAT]             = GEN6_FORMAT_I32_FLOAT,
 256       [PIPE_FORMAT_YV12]                  = 0,
 257       [PIPE_FORMAT_YV16]                  = 0,
 258       [PIPE_FORMAT_IYUV]                  = 0,
 259       [PIPE_FORMAT_NV12]                  = 0,
 260       [PIPE_FORMAT_NV21]                  = 0,
 261       [PIPE_FORMAT_A4R4_UNORM]            = 0,
 262       [PIPE_FORMAT_R4A4_UNORM]            = 0,
 263       [PIPE_FORMAT_R8A8_UNORM]            = 0,
 264       [PIPE_FORMAT_A8R8_UNORM]            = 0,
 265       [PIPE_FORMAT_R10G10B10A2_SSCALED]   = GEN6_FORMAT_R10G10B10A2_SSCALED,
 266       [PIPE_FORMAT_R10G10B10A2_SNORM]     = GEN6_FORMAT_R10G10B10A2_SNORM,
 267       [PIPE_FORMAT_B10G10R10A2_USCALED]   = GEN6_FORMAT_B10G10R10A2_USCALED,
 268       [PIPE_FORMAT_B10G10R10A2_SSCALED]   = GEN6_FORMAT_B10G10R10A2_SSCALED,
 269       [PIPE_FORMAT_B10G10R10A2_SNORM]     = GEN6_FORMAT_B10G10R10A2_SNORM,
 270       [PIPE_FORMAT_R8_UINT]               = GEN6_FORMAT_R8_UINT,
 271       [PIPE_FORMAT_R8G8_UINT]             = GEN6_FORMAT_R8G8_UINT,
 272       [PIPE_FORMAT_R8G8B8_UINT]           = GEN6_FORMAT_R8G8B8_UINT,
 273       [PIPE_FORMAT_R8G8B8A8_UINT]         = GEN6_FORMAT_R8G8B8A8_UINT,
 274       [PIPE_FORMAT_R8_SINT]               = GEN6_FORMAT_R8_SINT,
 275       [PIPE_FORMAT_R8G8_SINT]             = GEN6_FORMAT_R8G8_SINT,
 276       [PIPE_FORMAT_R8G8B8_SINT]           = GEN6_FORMAT_R8G8B8_SINT,
 277       [PIPE_FORMAT_R8G8B8A8_SINT]         = GEN6_FORMAT_R8G8B8A8_SINT,
 278       [PIPE_FORMAT_R16_UINT]              = GEN6_FORMAT_R16_UINT,
 279       [PIPE_FORMAT_R16G16_UINT]           = GEN6_FORMAT_R16G16_UINT,
 280       [PIPE_FORMAT_R16G16B16_UINT]        = GEN6_FORMAT_R16G16B16_UINT,
 281       [PIPE_FORMAT_R16G16B16A16_UINT]     = GEN6_FORMAT_R16G16B16A16_UINT,
 282       [PIPE_FORMAT_R16_SINT]              = GEN6_FORMAT_R16_SINT,
 283       [PIPE_FORMAT_R16G16_SINT]           = GEN6_FORMAT_R16G16_SINT,
 284       [PIPE_FORMAT_R16G16B16_SINT]        = GEN6_FORMAT_R16G16B16_SINT,
 285       [PIPE_FORMAT_R16G16B16A16_SINT]     = GEN6_FORMAT_R16G16B16A16_SINT,
 286       [PIPE_FORMAT_R32_UINT]              = GEN6_FORMAT_R32_UINT,
 287       [PIPE_FORMAT_R32G32_UINT]           = GEN6_FORMAT_R32G32_UINT,
 288       [PIPE_FORMAT_R32G32B32_UINT]        = GEN6_FORMAT_R32G32B32_UINT,
 289       [PIPE_FORMAT_R32G32B32A32_UINT]     = GEN6_FORMAT_R32G32B32A32_UINT,
 290       [PIPE_FORMAT_R32_SINT]              = GEN6_FORMAT_R32_SINT,
 291       [PIPE_FORMAT_R32G32_SINT]           = GEN6_FORMAT_R32G32_SINT,
 292       [PIPE_FORMAT_R32G32B32_SINT]        = GEN6_FORMAT_R32G32B32_SINT,
 293       [PIPE_FORMAT_R32G32B32A32_SINT]     = GEN6_FORMAT_R32G32B32A32_SINT,
 294       [PIPE_FORMAT_A8_UINT]               = 0,
 295       [PIPE_FORMAT_I8_UINT]               = GEN6_FORMAT_I8_UINT,
 296       [PIPE_FORMAT_L8_UINT]               = GEN6_FORMAT_L8_UINT,
 297       [PIPE_FORMAT_L8A8_UINT]             = GEN6_FORMAT_L8A8_UINT,
 298       [PIPE_FORMAT_A8_SINT]               = 0,
 299       [PIPE_FORMAT_I8_SINT]               = GEN6_FORMAT_I8_SINT,
 300       [PIPE_FORMAT_L8_SINT]               = GEN6_FORMAT_L8_SINT,
 301       [PIPE_FORMAT_L8A8_SINT]             = GEN6_FORMAT_L8A8_SINT,
 302       [PIPE_FORMAT_A16_UINT]              = 0,
 303       [PIPE_FORMAT_I16_UINT]              = 0,
 304       [PIPE_FORMAT_L16_UINT]              = 0,
 305       [PIPE_FORMAT_L16A16_UINT]           = 0,
 306       [PIPE_FORMAT_A16_SINT]              = 0,
 307       [PIPE_FORMAT_I16_SINT]              = 0,
 308       [PIPE_FORMAT_L16_SINT]              = 0,
 309       [PIPE_FORMAT_L16A16_SINT]           = 0,
 310       [PIPE_FORMAT_A32_UINT]              = 0,
 311       [PIPE_FORMAT_I32_UINT]              = 0,
 312       [PIPE_FORMAT_L32_UINT]              = 0,
 313       [PIPE_FORMAT_L32A32_UINT]           = 0,
 314       [PIPE_FORMAT_A32_SINT]              = 0,
 315       [PIPE_FORMAT_I32_SINT]              = 0,
 316       [PIPE_FORMAT_L32_SINT]              = 0,
 317       [PIPE_FORMAT_L32A32_SINT]           = 0,
 318       [PIPE_FORMAT_B10G10R10A2_UINT]      = GEN6_FORMAT_B10G10R10A2_UINT,
 319       [PIPE_FORMAT_ETC1_RGB8]             = GEN6_FORMAT_ETC1_RGB8,
 320       [PIPE_FORMAT_R8G8_R8B8_UNORM]       = 0,
 321       [PIPE_FORMAT_G8R8_B8R8_UNORM]       = 0,
 322       [PIPE_FORMAT_R8G8B8X8_SNORM]        = 0,
 323       [PIPE_FORMAT_R8G8B8X8_SRGB]         = 0,
 324       [PIPE_FORMAT_R8G8B8X8_UINT]         = 0,
 325       [PIPE_FORMAT_R8G8B8X8_SINT]         = 0,
 326       [PIPE_FORMAT_B10G10R10X2_UNORM]     = GEN6_FORMAT_B10G10R10X2_UNORM,
 327       [PIPE_FORMAT_R16G16B16X16_UNORM]    = GEN6_FORMAT_R16G16B16X16_UNORM,
 328       [PIPE_FORMAT_R16G16B16X16_SNORM]    = 0,
 329       [PIPE_FORMAT_R16G16B16X16_FLOAT]    = GEN6_FORMAT_R16G16B16X16_FLOAT,
 330       [PIPE_FORMAT_R16G16B16X16_UINT]     = 0,
 331       [PIPE_FORMAT_R16G16B16X16_SINT]     = 0,
 332       [PIPE_FORMAT_R32G32B32X32_FLOAT]    = GEN6_FORMAT_R32G32B32X32_FLOAT,
 333       [PIPE_FORMAT_R32G32B32X32_UINT]     = 0,
 334       [PIPE_FORMAT_R32G32B32X32_SINT]     = 0,
 335       [PIPE_FORMAT_R8A8_SNORM]            = 0,
 336       [PIPE_FORMAT_R16A16_UNORM]          = 0,
 337       [PIPE_FORMAT_R16A16_SNORM]          = 0,
 338       [PIPE_FORMAT_R16A16_FLOAT]          = 0,
 339       [PIPE_FORMAT_R32A32_FLOAT]          = 0,
 340       [PIPE_FORMAT_R8A8_UINT]             = 0,
 341       [PIPE_FORMAT_R8A8_SINT]             = 0,
 342       [PIPE_FORMAT_R16A16_UINT]           = 0,
 343       [PIPE_FORMAT_R16A16_SINT]           = 0,
 344       [PIPE_FORMAT_R32A32_UINT]           = 0,
 345       [PIPE_FORMAT_R32A32_SINT]           = 0,
 346       [PIPE_FORMAT_R10G10B10A2_UINT]      = GEN6_FORMAT_R10G10B10A2_UINT,
 347       [PIPE_FORMAT_B5G6R5_SRGB]           = GEN6_FORMAT_B5G6R5_UNORM_SRGB,
 348    };
 349    int sfmt = format_mapping[format];
 350
 351    /* GEN6_FORMAT_R32G32B32A32_FLOAT happens to be 0 */
 352    if (!sfmt && format != PIPE_FORMAT_R32G32B32A32_FLOAT)
 353       sfmt = -1;
 354
 355    return sfmt;
 356 }