Delete some LUTs from SkColorSpaceXform
No need to keep these around. In the rare case that these are needed, we can just go ahead and build them. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2326043002 Review-Url: https://codereview.chromium.org/2326043002
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@ -82,128 +82,6 @@ static constexpr float sk_linear_from_2dot2[256] = {
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static constexpr uint8_t linear_to_srgb[1024] = {
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0, 3, 6, 10, 13, 15, 18, 20, 22, 23, 25, 27, 28, 30, 31, 32, 34, 35,
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36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 49, 50, 51, 52,
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53, 53, 54, 55, 56, 56, 57, 58, 58, 59, 60, 61, 61, 62, 62, 63, 64, 64,
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65, 66, 66, 67, 67, 68, 68, 69, 70, 70, 71, 71, 72, 72, 73, 73, 74, 74,
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75, 76, 76, 77, 77, 78, 78, 79, 79, 79, 80, 80, 81, 81, 82, 82, 83, 83,
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84, 84, 85, 85, 85, 86, 86, 87, 87, 88, 88, 88, 89, 89, 90, 90, 91, 91,
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91, 92, 92, 93, 93, 93, 94, 94, 95, 95, 95, 96, 96, 97, 97, 97, 98, 98,
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98, 99, 99, 99, 100, 100, 101, 101, 101, 102, 102, 102, 103, 103, 103, 104, 104, 104,
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105, 105, 106, 106, 106, 107, 107, 107, 108, 108, 108, 109, 109, 109, 110, 110, 110, 110,
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111, 111, 111, 112, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115, 115, 115, 116, 116,
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116, 117, 117, 117, 118, 118, 118, 118, 119, 119, 119, 120, 120, 120, 121, 121, 121, 121,
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122, 122, 122, 123, 123, 123, 123, 124, 124, 124, 125, 125, 125, 125, 126, 126, 126, 126,
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127, 127, 127, 128, 128, 128, 128, 129, 129, 129, 129, 130, 130, 130, 130, 131, 131, 131,
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131, 132, 132, 132, 133, 133, 133, 133, 134, 134, 134, 134, 135, 135, 135, 135, 136, 136,
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136, 136, 137, 137, 137, 137, 138, 138, 138, 138, 138, 139, 139, 139, 139, 140, 140, 140,
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140, 141, 141, 141, 141, 142, 142, 142, 142, 143, 143, 143, 143, 143, 144, 144, 144, 144,
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145, 145, 145, 145, 146, 146, 146, 146, 146, 147, 147, 147, 147, 148, 148, 148, 148, 148,
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149, 149, 149, 149, 150, 150, 150, 150, 150, 151, 151, 151, 151, 152, 152, 152, 152, 152,
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153, 153, 153, 153, 153, 154, 154, 154, 154, 155, 155, 155, 155, 155, 156, 156, 156, 156,
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156, 157, 157, 157, 157, 157, 158, 158, 158, 158, 158, 159, 159, 159, 159, 159, 160, 160,
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160, 160, 160, 161, 161, 161, 161, 161, 162, 162, 162, 162, 162, 163, 163, 163, 163, 163,
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164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 166, 166, 166, 166, 166, 167, 167, 167,
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167, 167, 168, 168, 168, 168, 168, 168, 169, 169, 169, 169, 169, 170, 170, 170, 170, 170,
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171, 171, 171, 171, 171, 171, 172, 172, 172, 172, 172, 173, 173, 173, 173, 173, 173, 174,
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174, 174, 174, 174, 175, 175, 175, 175, 175, 175, 176, 176, 176, 176, 176, 177, 177, 177,
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177, 177, 177, 178, 178, 178, 178, 178, 178, 179, 179, 179, 179, 179, 179, 180, 180, 180,
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180, 180, 181, 181, 181, 181, 181, 181, 182, 182, 182, 182, 182, 182, 183, 183, 183, 183,
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183, 183, 184, 184, 184, 184, 184, 184, 185, 185, 185, 185, 185, 185, 186, 186, 186, 186,
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186, 186, 187, 187, 187, 187, 187, 187, 188, 188, 188, 188, 188, 188, 189, 189, 189, 189,
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189, 189, 190, 190, 190, 190, 190, 190, 191, 191, 191, 191, 191, 191, 191, 192, 192, 192,
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192, 192, 192, 193, 193, 193, 193, 193, 193, 194, 194, 194, 194, 194, 194, 194, 195, 195,
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195, 195, 195, 195, 196, 196, 196, 196, 196, 196, 197, 197, 197, 197, 197, 197, 197, 198,
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198, 198, 198, 198, 198, 199, 199, 199, 199, 199, 199, 199, 200, 200, 200, 200, 200, 200,
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200, 201, 201, 201, 201, 201, 201, 202, 202, 202, 202, 202, 202, 202, 203, 203, 203, 203,
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203, 203, 203, 204, 204, 204, 204, 204, 204, 204, 205, 205, 205, 205, 205, 205, 206, 206,
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206, 206, 206, 206, 206, 207, 207, 207, 207, 207, 207, 207, 208, 208, 208, 208, 208, 208,
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208, 209, 209, 209, 209, 209, 209, 209, 210, 210, 210, 210, 210, 210, 210, 211, 211, 211,
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211, 211, 211, 211, 212, 212, 212, 212, 212, 212, 212, 212, 213, 213, 213, 213, 213, 213,
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213, 214, 214, 214, 214, 214, 214, 214, 215, 215, 215, 215, 215, 215, 215, 216, 216, 216,
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216, 216, 216, 216, 216, 217, 217, 217, 217, 217, 217, 217, 218, 218, 218, 218, 218, 218,
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218, 219, 219, 219, 219, 219, 219, 219, 219, 220, 220, 220, 220, 220, 220, 220, 221, 221,
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221, 221, 221, 221, 221, 221, 222, 222, 222, 222, 222, 222, 222, 222, 223, 223, 223, 223,
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223, 223, 223, 224, 224, 224, 224, 224, 224, 224, 224, 225, 225, 225, 225, 225, 225, 225,
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225, 226, 226, 226, 226, 226, 226, 226, 227, 227, 227, 227, 227, 227, 227, 227, 228, 228,
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228, 228, 228, 228, 228, 228, 229, 229, 229, 229, 229, 229, 229, 229, 230, 230, 230, 230,
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230, 230, 230, 230, 231, 231, 231, 231, 231, 231, 231, 231, 232, 232, 232, 232, 232, 232,
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232, 232, 233, 233, 233, 233, 233, 233, 233, 233, 234, 234, 234, 234, 234, 234, 234, 234,
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235, 235, 235, 235, 235, 235, 235, 235, 236, 236, 236, 236, 236, 236, 236, 236, 236, 237,
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237, 237, 237, 237, 237, 237, 237, 238, 238, 238, 238, 238, 238, 238, 238, 239, 239, 239,
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239, 239, 239, 239, 239, 239, 240, 240, 240, 240, 240, 240, 240, 240, 241, 241, 241, 241,
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241, 241, 241, 241, 241, 242, 242, 242, 242, 242, 242, 242, 242, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 244, 244, 244, 244, 244, 244, 244, 244, 245, 245, 245, 245, 245, 245,
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245, 245, 245, 246, 246, 246, 246, 246, 246, 246, 246, 246, 247, 247, 247, 247, 247, 247,
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247, 247, 248, 248, 248, 248, 248, 248, 248, 248, 248, 249, 249, 249, 249, 249, 249, 249,
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249, 249, 250, 250, 250, 250, 250, 250, 250, 250, 250, 251, 251, 251, 251, 251, 251, 251,
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251, 251, 252, 252, 252, 252, 252, 252, 252, 252, 252, 253, 253, 253, 253, 253, 253, 253,
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253, 253, 254, 254, 254, 254, 254, 254, 254, 254, 254, 255, 255, 255, 255, 255
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};
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static constexpr uint8_t linear_to_2dot2_table[1024] = {
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0, 11, 15, 18, 21, 23, 25, 26, 28, 30, 31, 32, 34, 35, 36, 37, 39, 40,
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41, 42, 43, 44, 45, 45, 46, 47, 48, 49, 50, 50, 51, 52, 53, 54, 54, 55,
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56, 56, 57, 58, 58, 59, 60, 60, 61, 62, 62, 63, 63, 64, 65, 65, 66, 66,
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67, 68, 68, 69, 69, 70, 70, 71, 71, 72, 72, 73, 73, 74, 74, 75, 75, 76,
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76, 77, 77, 78, 78, 79, 79, 80, 80, 81, 81, 81, 82, 82, 83, 83, 84, 84,
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84, 85, 85, 86, 86, 87, 87, 87, 88, 88, 89, 89, 89, 90, 90, 91, 91, 91,
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92, 92, 93, 93, 93, 94, 94, 94, 95, 95, 96, 96, 96, 97, 97, 97, 98, 98,
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98, 99, 99, 99, 100, 100, 101, 101, 101, 102, 102, 102, 103, 103, 103, 104, 104, 104,
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105, 105, 105, 106, 106, 106, 107, 107, 107, 108, 108, 108, 108, 109, 109, 109, 110, 110,
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110, 111, 111, 111, 112, 112, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115, 115, 115,
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116, 116, 116, 117, 117, 117, 117, 118, 118, 118, 119, 119, 119, 119, 120, 120, 120, 121,
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121, 121, 121, 122, 122, 122, 123, 123, 123, 123, 124, 124, 124, 124, 125, 125, 125, 125,
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126, 126, 126, 127, 127, 127, 127, 128, 128, 128, 128, 129, 129, 129, 129, 130, 130, 130,
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130, 131, 131, 131, 131, 132, 132, 132, 132, 133, 133, 133, 133, 134, 134, 134, 134, 135,
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135, 135, 135, 136, 136, 136, 136, 137, 137, 137, 137, 138, 138, 138, 138, 138, 139, 139,
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139, 139, 140, 140, 140, 140, 141, 141, 141, 141, 142, 142, 142, 142, 142, 143, 143, 143,
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143, 144, 144, 144, 144, 144, 145, 145, 145, 145, 146, 146, 146, 146, 146, 147, 147, 147,
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147, 148, 148, 148, 148, 148, 149, 149, 149, 149, 149, 150, 150, 150, 150, 151, 151, 151,
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151, 151, 152, 152, 152, 152, 152, 153, 153, 153, 153, 154, 154, 154, 154, 154, 155, 155,
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155, 155, 155, 156, 156, 156, 156, 156, 157, 157, 157, 157, 157, 158, 158, 158, 158, 158,
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159, 159, 159, 159, 159, 160, 160, 160, 160, 160, 161, 161, 161, 161, 161, 162, 162, 162,
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162, 162, 163, 163, 163, 163, 163, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165,
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166, 166, 166, 166, 166, 167, 167, 167, 167, 167, 168, 168, 168, 168, 168, 168, 169, 169,
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169, 169, 169, 170, 170, 170, 170, 170, 171, 171, 171, 171, 171, 171, 172, 172, 172, 172,
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172, 173, 173, 173, 173, 173, 173, 174, 174, 174, 174, 174, 174, 175, 175, 175, 175, 175,
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176, 176, 176, 176, 176, 176, 177, 177, 177, 177, 177, 177, 178, 178, 178, 178, 178, 179,
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179, 179, 179, 179, 179, 180, 180, 180, 180, 180, 180, 181, 181, 181, 181, 181, 181, 182,
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182, 182, 182, 182, 182, 183, 183, 183, 183, 183, 183, 184, 184, 184, 184, 184, 185, 185,
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185, 185, 185, 185, 186, 186, 186, 186, 186, 186, 186, 187, 187, 187, 187, 187, 187, 188,
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188, 188, 188, 188, 188, 189, 189, 189, 189, 189, 189, 190, 190, 190, 190, 190, 190, 191,
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191, 191, 191, 191, 191, 192, 192, 192, 192, 192, 192, 192, 193, 193, 193, 193, 193, 193,
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194, 194, 194, 194, 194, 194, 195, 195, 195, 195, 195, 195, 195, 196, 196, 196, 196, 196,
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196, 197, 197, 197, 197, 197, 197, 197, 198, 198, 198, 198, 198, 198, 199, 199, 199, 199,
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199, 199, 199, 200, 200, 200, 200, 200, 200, 201, 201, 201, 201, 201, 201, 201, 202, 202,
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202, 202, 202, 202, 202, 203, 203, 203, 203, 203, 203, 204, 204, 204, 204, 204, 204, 204,
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205, 205, 205, 205, 205, 205, 205, 206, 206, 206, 206, 206, 206, 206, 207, 207, 207, 207,
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207, 207, 207, 208, 208, 208, 208, 208, 208, 209, 209, 209, 209, 209, 209, 209, 210, 210,
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210, 210, 210, 210, 210, 211, 211, 211, 211, 211, 211, 211, 212, 212, 212, 212, 212, 212,
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212, 213, 213, 213, 213, 213, 213, 213, 213, 214, 214, 214, 214, 214, 214, 214, 215, 215,
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215, 215, 215, 215, 215, 216, 216, 216, 216, 216, 216, 216, 217, 217, 217, 217, 217, 217,
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217, 218, 218, 218, 218, 218, 218, 218, 218, 219, 219, 219, 219, 219, 219, 219, 220, 220,
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220, 220, 220, 220, 220, 221, 221, 221, 221, 221, 221, 221, 221, 222, 222, 222, 222, 222,
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222, 222, 223, 223, 223, 223, 223, 223, 223, 223, 224, 224, 224, 224, 224, 224, 224, 225,
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225, 225, 225, 225, 225, 225, 225, 226, 226, 226, 226, 226, 226, 226, 226, 227, 227, 227,
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227, 227, 227, 227, 228, 228, 228, 228, 228, 228, 228, 228, 229, 229, 229, 229, 229, 229,
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229, 229, 230, 230, 230, 230, 230, 230, 230, 230, 231, 231, 231, 231, 231, 231, 231, 232,
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232, 232, 232, 232, 232, 232, 232, 233, 233, 233, 233, 233, 233, 233, 233, 234, 234, 234,
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234, 234, 234, 234, 234, 235, 235, 235, 235, 235, 235, 235, 235, 236, 236, 236, 236, 236,
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236, 236, 236, 237, 237, 237, 237, 237, 237, 237, 237, 238, 238, 238, 238, 238, 238, 238,
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238, 238, 239, 239, 239, 239, 239, 239, 239, 239, 240, 240, 240, 240, 240, 240, 240, 240,
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241, 241, 241, 241, 241, 241, 241, 241, 242, 242, 242, 242, 242, 242, 242, 242, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 244, 244, 244, 244, 244, 244, 244, 244, 245, 245, 245,
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245, 245, 245, 245, 245, 245, 246, 246, 246, 246, 246, 246, 246, 246, 247, 247, 247, 247,
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247, 247, 247, 247, 248, 248, 248, 248, 248, 248, 248, 248, 248, 249, 249, 249, 249, 249,
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249, 249, 249, 249, 250, 250, 250, 250, 250, 250, 250, 250, 251, 251, 251, 251, 251, 251,
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251, 251, 251, 252, 252, 252, 252, 252, 252, 252, 252, 252, 253, 253, 253, 253, 253, 253,
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253, 253, 254, 254, 254, 254, 254, 254, 254, 254, 254, 255, 255, 255, 255, 255,
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};
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void build_table_linear_from_gamma(float* outTable, float exponent) {
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for (float x = 0.0f; x <= 1.0f; x += (1.0f/255.0f)) {
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*outTable++ = powf(x, exponent);
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@ -369,8 +247,8 @@ static const GammaFns<float> kToLinear {
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};
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static const GammaFns<uint8_t> kFromLinear {
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linear_to_srgb,
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linear_to_2dot2_table,
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nullptr,
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nullptr,
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&build_table_linear_to_gamma,
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&build_table_linear_to_gamma,
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&build_table_linear_to_gamma,
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@ -410,10 +288,14 @@ static void build_gamma_tables(const T* outGammaTables[3], T* gammaTableStorage,
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if (gammas->isNamed(i)) {
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switch (gammas->data(i).fNamed) {
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case kSRGB_SkGammaNamed:
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outGammaTables[i] = fns.fSRGBTable;
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(*fns.fBuildFromParam)(&gammaTableStorage[i * gammaTableSize], 2.4f,
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(1.0f / 1.055f), (0.055f / 1.055f), 0.0f,
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0.04045f, (1.0f / 12.92f), 0.0f);
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outGammaTables[i] = &gammaTableStorage[i * gammaTableSize];
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break;
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case k2Dot2Curve_SkGammaNamed:
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outGammaTables[i] = fns.f2Dot2Table;
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(*fns.fBuildFromValue)(&gammaTableStorage[i * gammaTableSize], 2.2f);
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outGammaTables[i] = &gammaTableStorage[i * gammaTableSize];
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break;
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case kLinear_SkGammaNamed:
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(*fns.fBuildFromValue)(&gammaTableStorage[i * gammaTableSize], 1.0f);
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@ -113,6 +113,15 @@ DEF_TEST(ColorSpaceXform_ExponentialGamma, r) {
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test_identity_xform(r, gammas);
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}
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DEF_TEST(ColorSpaceXform_NamedGamma, r) {
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sk_sp<SkGammas> gammas = sk_sp<SkGammas>(new SkGammas());
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gammas->fRedType = gammas->fGreenType = gammas->fBlueType = SkGammas::Type::kNamed_Type;
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gammas->fRedData.fNamed = kSRGB_SkGammaNamed;
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gammas->fGreenData.fNamed = k2Dot2Curve_SkGammaNamed;
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gammas->fBlueData.fNamed = kLinear_SkGammaNamed;
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test_identity_xform(r, gammas);
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}
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DEF_TEST(ColorSpaceXform_NonMatchingGamma, r) {
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constexpr size_t tableSize = 10;
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void* memory = sk_malloc_throw(sizeof(SkGammas) + sizeof(float) * tableSize +
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