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4358 | Serge | 1 | /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
2 | |||
3 | /* |
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4 | * Copyright (C) 2013 Rob Clark |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the "Software"), |
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8 | * to deal in the Software without restriction, including without limitation |
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9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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10 | * and/or sell copies of the Software, and to permit persons to whom the |
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11 | * Software is furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice (including the next |
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14 | * paragraph) shall be included in all copies or substantial portions of the |
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15 | * Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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23 | * SOFTWARE. |
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24 | * |
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25 | * Authors: |
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26 | * Rob Clark |
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27 | */ |
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28 | |||
29 | #include "pipe/p_defines.h" |
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30 | #include "util/u_format.h" |
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31 | |||
32 | #include "fd3_util.h" |
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33 | |||
34 | /* convert pipe format to vertex buffer format: */ |
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35 | enum a3xx_vtx_fmt |
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36 | fd3_pipe2vtx(enum pipe_format format) |
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37 | { |
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38 | switch (format) { |
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39 | /* 8-bit buffers. */ |
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40 | case PIPE_FORMAT_A8_UNORM: |
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41 | case PIPE_FORMAT_I8_UNORM: |
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42 | case PIPE_FORMAT_L8_UNORM: |
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43 | case PIPE_FORMAT_R8_UNORM: |
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44 | case PIPE_FORMAT_L8_SRGB: |
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45 | return VFMT_NORM_UBYTE_8; |
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46 | |||
47 | case PIPE_FORMAT_A8_SNORM: |
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48 | case PIPE_FORMAT_I8_SNORM: |
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49 | case PIPE_FORMAT_L8_SNORM: |
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50 | case PIPE_FORMAT_R8_SNORM: |
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51 | return VFMT_NORM_BYTE_8; |
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52 | |||
53 | case PIPE_FORMAT_A8_UINT: |
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54 | case PIPE_FORMAT_I8_UINT: |
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55 | case PIPE_FORMAT_L8_UINT: |
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56 | case PIPE_FORMAT_R8_UINT: |
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57 | return VFMT_UBYTE_8; |
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58 | |||
59 | case PIPE_FORMAT_A8_SINT: |
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60 | case PIPE_FORMAT_I8_SINT: |
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61 | case PIPE_FORMAT_L8_SINT: |
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62 | case PIPE_FORMAT_R8_SINT: |
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63 | return VFMT_BYTE_8; |
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64 | |||
65 | /* 16-bit buffers. */ |
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66 | case PIPE_FORMAT_R16_UNORM: |
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67 | case PIPE_FORMAT_A16_UNORM: |
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68 | case PIPE_FORMAT_L16_UNORM: |
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69 | case PIPE_FORMAT_I16_UNORM: |
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70 | case PIPE_FORMAT_Z16_UNORM: |
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71 | return VFMT_NORM_USHORT_16; |
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72 | |||
73 | case PIPE_FORMAT_R16_SNORM: |
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74 | case PIPE_FORMAT_A16_SNORM: |
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75 | case PIPE_FORMAT_L16_SNORM: |
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76 | case PIPE_FORMAT_I16_SNORM: |
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77 | return VFMT_NORM_SHORT_16; |
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78 | |||
79 | case PIPE_FORMAT_R16_UINT: |
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80 | case PIPE_FORMAT_A16_UINT: |
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81 | case PIPE_FORMAT_L16_UINT: |
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82 | case PIPE_FORMAT_I16_UINT: |
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83 | return VFMT_USHORT_16; |
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84 | |||
85 | case PIPE_FORMAT_R16_SINT: |
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86 | case PIPE_FORMAT_A16_SINT: |
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87 | case PIPE_FORMAT_L16_SINT: |
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88 | case PIPE_FORMAT_I16_SINT: |
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89 | return VFMT_SHORT_16; |
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90 | |||
91 | case PIPE_FORMAT_L8A8_UNORM: |
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92 | case PIPE_FORMAT_R8G8_UNORM: |
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93 | return VFMT_NORM_UBYTE_8_8; |
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94 | |||
95 | case PIPE_FORMAT_L8A8_SNORM: |
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96 | case PIPE_FORMAT_R8G8_SNORM: |
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97 | return VFMT_NORM_BYTE_8_8; |
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98 | |||
99 | case PIPE_FORMAT_L8A8_UINT: |
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100 | case PIPE_FORMAT_R8G8_UINT: |
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101 | return VFMT_UBYTE_8_8; |
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102 | |||
103 | case PIPE_FORMAT_L8A8_SINT: |
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104 | case PIPE_FORMAT_R8G8_SINT: |
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105 | return VFMT_BYTE_8_8; |
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106 | |||
107 | /* 24-bit buffers. */ |
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108 | case PIPE_FORMAT_R8G8B8_UNORM: |
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109 | return VFMT_NORM_UBYTE_8_8_8; |
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110 | |||
111 | case PIPE_FORMAT_R8G8B8_SNORM: |
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112 | return VFMT_NORM_BYTE_8_8_8; |
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113 | |||
114 | case PIPE_FORMAT_R8G8B8_UINT: |
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115 | return VFMT_UBYTE_8_8_8; |
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116 | |||
117 | case PIPE_FORMAT_R8G8B8_SINT: |
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118 | return VFMT_BYTE_8_8_8; |
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119 | |||
120 | /* 32-bit buffers. */ |
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121 | case PIPE_FORMAT_A8B8G8R8_UNORM: |
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122 | case PIPE_FORMAT_A8R8G8B8_UNORM: |
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123 | case PIPE_FORMAT_B8G8R8A8_UNORM: |
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124 | case PIPE_FORMAT_B8G8R8X8_UNORM: |
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125 | case PIPE_FORMAT_R8G8B8A8_UNORM: |
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126 | case PIPE_FORMAT_R8G8B8X8_UNORM: |
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127 | case PIPE_FORMAT_X8B8G8R8_UNORM: |
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128 | case PIPE_FORMAT_X8R8G8B8_UNORM: |
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129 | case PIPE_FORMAT_A8B8G8R8_SRGB: |
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130 | case PIPE_FORMAT_B8G8R8A8_SRGB: |
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131 | return VFMT_NORM_UBYTE_8_8_8_8; |
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132 | |||
133 | case PIPE_FORMAT_R8G8B8A8_SNORM: |
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134 | case PIPE_FORMAT_R8G8B8X8_SNORM: |
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135 | return VFMT_NORM_BYTE_8_8_8_8; |
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136 | |||
137 | case PIPE_FORMAT_R8G8B8A8_UINT: |
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138 | case PIPE_FORMAT_R8G8B8X8_UINT: |
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139 | return VFMT_UBYTE_8_8_8_8; |
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140 | |||
141 | case PIPE_FORMAT_R8G8B8A8_SINT: |
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142 | case PIPE_FORMAT_R8G8B8X8_SINT: |
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143 | return VFMT_BYTE_8_8_8_8; |
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144 | |||
145 | /* TODO probably need gles3 blob drivers to find the 32bit int formats: |
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146 | case PIPE_FORMAT_R32_UINT: |
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147 | case PIPE_FORMAT_R32_SINT: |
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148 | case PIPE_FORMAT_A32_UINT: |
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149 | case PIPE_FORMAT_A32_SINT: |
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150 | case PIPE_FORMAT_L32_UINT: |
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151 | case PIPE_FORMAT_L32_SINT: |
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152 | case PIPE_FORMAT_I32_UINT: |
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153 | case PIPE_FORMAT_I32_SINT: |
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154 | */ |
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155 | |||
156 | case PIPE_FORMAT_R32_FLOAT: |
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157 | case PIPE_FORMAT_A32_FLOAT: |
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158 | case PIPE_FORMAT_L32_FLOAT: |
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159 | case PIPE_FORMAT_I32_FLOAT: |
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160 | case PIPE_FORMAT_Z32_FLOAT: |
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161 | return VFMT_FLOAT_32; |
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162 | |||
163 | case PIPE_FORMAT_R32_FIXED: |
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164 | return VFMT_FIXED_32; |
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165 | |||
166 | /* 64-bit buffers. */ |
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167 | case PIPE_FORMAT_R16G16B16A16_UNORM: |
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168 | return VFMT_NORM_USHORT_16_16_16_16; |
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169 | |||
170 | case PIPE_FORMAT_R16G16B16A16_SNORM: |
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171 | return VFMT_NORM_SHORT_16_16_16_16; |
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172 | |||
173 | case PIPE_FORMAT_R16G16B16A16_UINT: |
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174 | return VFMT_USHORT_16_16_16_16; |
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175 | |||
176 | case PIPE_FORMAT_R16G16B16A16_SINT: |
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177 | return VFMT_SHORT_16_16_16_16; |
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178 | |||
179 | case PIPE_FORMAT_R32G32_FLOAT: |
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180 | case PIPE_FORMAT_L32A32_FLOAT: |
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181 | return VFMT_FLOAT_32_32; |
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182 | |||
183 | case PIPE_FORMAT_R32G32_FIXED: |
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184 | return VFMT_FIXED_32_32; |
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185 | |||
186 | /* TODO probably need gles3 blob drivers to find the 32bit int formats: |
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187 | case PIPE_FORMAT_R32G32_SINT: |
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188 | case PIPE_FORMAT_R32G32_UINT: |
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189 | case PIPE_FORMAT_L32A32_UINT: |
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190 | case PIPE_FORMAT_L32A32_SINT: |
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191 | */ |
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192 | |||
193 | /* 96-bit buffers. */ |
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194 | case PIPE_FORMAT_R32G32B32_FLOAT: |
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195 | return VFMT_FLOAT_32_32_32; |
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196 | |||
197 | case PIPE_FORMAT_R32G32B32_FIXED: |
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198 | return VFMT_FIXED_32_32_32; |
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199 | |||
200 | /* 128-bit buffers. */ |
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201 | case PIPE_FORMAT_R32G32B32A32_FLOAT: |
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202 | return VFMT_FLOAT_32_32_32_32; |
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203 | |||
204 | case PIPE_FORMAT_R32G32B32A32_FIXED: |
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205 | return VFMT_FIXED_32_32_32_32; |
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206 | |||
207 | /* TODO probably need gles3 blob drivers to find the 32bit int formats: |
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208 | case PIPE_FORMAT_R32G32B32A32_SNORM: |
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209 | case PIPE_FORMAT_R32G32B32A32_UNORM: |
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210 | case PIPE_FORMAT_R32G32B32A32_SINT: |
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211 | case PIPE_FORMAT_R32G32B32A32_UINT: |
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212 | */ |
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213 | |||
214 | default: |
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215 | return ~0; |
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216 | } |
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217 | } |
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218 | |||
219 | /* convert pipe format to texture sampler format: */ |
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220 | enum a3xx_tex_fmt |
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221 | fd3_pipe2tex(enum pipe_format format) |
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222 | { |
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223 | switch (format) { |
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224 | case PIPE_FORMAT_L8_UNORM: |
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225 | case PIPE_FORMAT_A8_UNORM: |
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226 | case PIPE_FORMAT_I8_UNORM: |
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227 | return TFMT_NORM_UINT_8; |
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228 | |||
229 | case PIPE_FORMAT_B8G8R8A8_UNORM: |
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230 | case PIPE_FORMAT_B8G8R8X8_UNORM: |
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231 | return TFMT_NORM_UINT_8_8_8_8; |
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232 | |||
233 | case PIPE_FORMAT_Z24X8_UNORM: |
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234 | return TFMT_NORM_UINT_X8Z24; |
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235 | |||
236 | case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
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237 | return TFMT_NORM_UINT_8_8_8_8; |
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238 | |||
239 | case PIPE_FORMAT_Z16_UNORM: |
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240 | return TFMT_NORM_UINT_8_8; |
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241 | |||
242 | // TODO add more.. |
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243 | |||
244 | default: |
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245 | return ~0; |
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246 | } |
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247 | } |
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248 | |||
249 | enum a3xx_tex_fetchsize |
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250 | fd3_pipe2fetchsize(enum pipe_format format) |
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251 | { |
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252 | switch (format) { |
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253 | case PIPE_FORMAT_L8_UNORM: |
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254 | case PIPE_FORMAT_A8_UNORM: |
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255 | case PIPE_FORMAT_I8_UNORM: |
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256 | return TFETCH_1_BYTE; |
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257 | |||
258 | case PIPE_FORMAT_Z16_UNORM: |
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259 | return TFETCH_2_BYTE; |
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260 | |||
261 | case PIPE_FORMAT_B8G8R8A8_UNORM: |
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262 | case PIPE_FORMAT_B8G8R8X8_UNORM: |
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263 | case PIPE_FORMAT_Z24X8_UNORM: |
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264 | case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
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265 | return TFETCH_4_BYTE; |
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266 | |||
267 | // TODO add more.. |
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268 | |||
269 | default: |
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270 | return TFETCH_DISABLE; /* save default */ |
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271 | } |
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272 | } |
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273 | |||
274 | /* convert pipe format to MRT / copydest format used for render-target: */ |
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275 | enum a3xx_color_fmt |
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276 | fd3_pipe2color(enum pipe_format format) |
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277 | { |
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278 | switch (format) { |
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279 | case PIPE_FORMAT_B8G8R8A8_UNORM: |
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280 | case PIPE_FORMAT_B8G8R8X8_UNORM: |
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281 | return RB_R8G8B8A8_UNORM; |
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282 | |||
283 | case PIPE_FORMAT_Z16_UNORM: |
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284 | return RB_Z16_UNORM; |
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285 | |||
286 | case PIPE_FORMAT_Z24X8_UNORM: |
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287 | case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
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288 | /* for DEPTHX_24_8, blob driver also seems to use R8G8B8A8 fmt.. */ |
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289 | return RB_R8G8B8A8_UNORM; |
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290 | |||
291 | case PIPE_FORMAT_R8_UNORM: |
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292 | case PIPE_FORMAT_L8_UNORM: |
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293 | return RB_A8_UNORM; |
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294 | |||
295 | // TODO add more.. |
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296 | |||
297 | default: |
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298 | return ~0; |
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299 | } |
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300 | } |
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301 | |||
302 | enum a3xx_color_swap |
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303 | fd3_pipe2swap(enum pipe_format format) |
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304 | { |
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305 | switch (format) { |
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306 | case PIPE_FORMAT_B8G8R8A8_UNORM: |
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307 | case PIPE_FORMAT_B8G8R8X8_UNORM: |
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308 | return WXYZ; |
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309 | case PIPE_FORMAT_Z24X8_UNORM: |
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310 | case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
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311 | return WZYX; |
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312 | |||
313 | default: |
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314 | return WZYX; |
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315 | } |
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316 | } |
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317 | |||
318 | static inline enum a3xx_tex_swiz |
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319 | tex_swiz(unsigned swiz) |
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320 | { |
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321 | switch (swiz) { |
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322 | default: |
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323 | case PIPE_SWIZZLE_RED: return A3XX_TEX_X; |
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324 | case PIPE_SWIZZLE_GREEN: return A3XX_TEX_Y; |
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325 | case PIPE_SWIZZLE_BLUE: return A3XX_TEX_Z; |
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326 | case PIPE_SWIZZLE_ALPHA: return A3XX_TEX_W; |
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327 | case PIPE_SWIZZLE_ZERO: return A3XX_TEX_ZERO; |
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328 | case PIPE_SWIZZLE_ONE: return A3XX_TEX_ONE; |
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329 | } |
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330 | } |
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331 | |||
332 | uint32_t |
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333 | fd3_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g, |
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334 | unsigned swizzle_b, unsigned swizzle_a) |
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335 | { |
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336 | const struct util_format_description *desc = |
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337 | util_format_description(format); |
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338 | uint8_t swiz[] = { |
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339 | swizzle_r, swizzle_g, swizzle_b, swizzle_a, |
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340 | PIPE_SWIZZLE_ZERO, PIPE_SWIZZLE_ONE, |
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341 | PIPE_SWIZZLE_ONE, PIPE_SWIZZLE_ONE, |
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342 | }; |
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343 | |||
344 | return A3XX_TEX_CONST_0_SWIZ_X(tex_swiz(swiz[desc->swizzle[0]])) | |
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345 | A3XX_TEX_CONST_0_SWIZ_Y(tex_swiz(swiz[desc->swizzle[1]])) | |
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346 | A3XX_TEX_CONST_0_SWIZ_Z(tex_swiz(swiz[desc->swizzle[2]])) | |
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347 | A3XX_TEX_CONST_0_SWIZ_W(tex_swiz(swiz[desc->swizzle[3]])); |
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348 | } |