1 /*
2 * Copyright (c) 2019, Intel Corporation
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 shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 
23 {
24     /*
25     Buffer layout after shuffle
26     _________________________________________________
27     |_______Block0__________|_______Block1__________|
28     |_______Block2__________|_______Block3__________|
29     |_______Block4__________|_______Block5__________|
30     |_______Block6__________|_______Block7__________|
31 
32     Write back buffer layout correlate to the block number#, each box stands for 1 GRF
33     _______________________________________________
34     |____R0_________R1_____|____R2_________R3_____|
35     |____G0_________G1_____|____G2_________G3_____|
36     |____B0_________B1_____|____B2_________B3_____|
37     |____A0_________A1_____|____A2_________A3_____|
38     |____R4_________R5_____|____R6_________R7_____|
39     |____G4_________G5_____|____G6_________G7_____|
40     |____B4_________B5_____|____B6_________B7_____|
41     |____A4_________A5_____|____A6_________A7_____|
42     */
43 
44     matrix_ref<uint, 8, 8> Result = DataBuffer.format<uint, 96, 8>().select<8, 1, 8, 1>(64, 0);
45 
46     SurfaceIndex Dst_Surface(MDF_FC_OUTPUT_BTI_START);
47     uchar ChannelSwap = (WAFlag >> 16) & 0x01;
48     ushort TempA = DestinationRGBFormat << 8;
49 
50     matrix_ref<ushort, 4, 16> TempResult4x8_Top = Result.format<ushort, 8, 16>().select<4, 1, 16, 1>(0, 0);
51     matrix_ref<ushort, 4, 16> TempResult4x8_Bottom = Result.format<ushort, 8, 16>().select<4, 1, 16, 1>(4, 0);
52 #pragma unroll
53     for (uchar i = 0; i < 2; i++, DstY += 8)
54     {
55         // First 8x8
56         {
57             // R/G/B channel 1st half
58             matrix_ref<ushort, 1, 8> TempR0 = DataBuffer.select<1, 1, 8, 1>(8 * i, 0);
59             matrix_ref<ushort, 1, 8> TempR2 = DataBuffer.select<1, 1, 8, 1>(8 * i, 8);
60             matrix_ref<ushort, 1, 8> TempR4 = DataBuffer.select<1, 1, 8, 1>(8 * i, 16);
61             matrix_ref<ushort, 1, 8> TempR6 = DataBuffer.select<1, 1, 8, 1>(8 * i, 24);
62 
63             matrix_ref<ushort, 1, 8> TempG0 = DataBuffer.select<1, 1, 8, 1>(8 * i, 32);
64             matrix_ref<ushort, 1, 8> TempG2 = DataBuffer.select<1, 1, 8, 1>(8 * i, 40);
65             matrix_ref<ushort, 1, 8> TempG4 = DataBuffer.select<1, 1, 8, 1>(8 * i, 48);
66             matrix_ref<ushort, 1, 8> TempG6 = DataBuffer.select<1, 1, 8, 1>(8 * i, 56);
67 
68             matrix_ref<ushort, 1, 8> TempB0 = DataBuffer.select<1, 1, 8, 1>(8 * i + 1, 0);
69             matrix_ref<ushort, 1, 8> TempB2 = DataBuffer.select<1, 1, 8, 1>(8 * i + 1, 8);
70             matrix_ref<ushort, 1, 8> TempB4 = DataBuffer.select<1, 1, 8, 1>(8 * i + 1, 16);
71             matrix_ref<ushort, 1, 8> TempB6 = DataBuffer.select<1, 1, 8, 1>(8 * i + 1, 24);
72 
73             TempG0 = TempG0 & 0xFF00;
74             TempG2 = TempG2 & 0xFF00;
75             TempG4 = TempG4 & 0xFF00;
76             TempG6 = TempG6 & 0xFF00;
77 
78             if (ChannelSwap)
79             {
80                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 0) = (TempR0 >> 8) + (TempG0);
81                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 1) = (TempB0 >> 8) + (TempA);
82 
83                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 0) = (TempR2 >> 8) + (TempG2);
84                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 1) = (TempB2 >> 8) + (TempA);
85 
86                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 0) = (TempR4 >> 8) + (TempG4);
87                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 1) = (TempB4 >> 8) + (TempA);
88 
89                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 0) = (TempR6 >> 8) + (TempG6);
90                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 1) = (TempB6 >> 8) + (TempA);
91             }
92             else
93             {
94                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 0) = (TempB0 >> 8) + (TempG0);
95                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 1) = (TempR0 >> 8) + (TempA);
96 
97                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 0) = (TempB2 >> 8) + (TempG2);
98                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 1) = (TempR2 >> 8) + (TempA);
99 
100                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 0) = (TempB4 >> 8) + (TempG4);
101                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 1) = (TempR4 >> 8) + (TempA);
102 
103                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 0) = (TempB6 >> 8) + (TempG6);
104                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 1) = (TempR6 >> 8) + (TempA);
105             }
106 
107             // R/G/B channel 2nd half
108             matrix_ref<ushort, 1, 8> TempR8 = DataBuffer.select<1, 1, 8, 1>(8 * i + 4, 0);
109             matrix_ref<ushort, 1, 8> TempR10 = DataBuffer.select<1, 1, 8, 1>(8 * i + 4, 8);
110             matrix_ref<ushort, 1, 8> TempR12 = DataBuffer.select<1, 1, 8, 1>(8 * i + 4, 16);
111             matrix_ref<ushort, 1, 8> TempR14 = DataBuffer.select<1, 1, 8, 1>(8 * i + 4, 24);
112 
113             matrix_ref<ushort, 1, 8> TempG8 = DataBuffer.select<1, 1, 8, 1>(8 * i + 4, 32);
114             matrix_ref<ushort, 1, 8> TempG10 = DataBuffer.select<1, 1, 8, 1>(8 * i + 4, 40);
115             matrix_ref<ushort, 1, 8> TempG12 = DataBuffer.select<1, 1, 8, 1>(8 * i + 4, 48);
116             matrix_ref<ushort, 1, 8> TempG14 = DataBuffer.select<1, 1, 8, 1>(8 * i + 4, 56);
117 
118             matrix_ref<ushort, 1, 8> TempB8 = DataBuffer.select<1, 1, 8, 1>(8 * i + 5, 0);
119             matrix_ref<ushort, 1, 8> TempB10 = DataBuffer.select<1, 1, 8, 1>(8 * i + 5, 8);
120             matrix_ref<ushort, 1, 8> TempB12 = DataBuffer.select<1, 1, 8, 1>(8 * i + 5, 16);
121             matrix_ref<ushort, 1, 8> TempB14 = DataBuffer.select<1, 1, 8, 1>(8 * i + 5, 24);
122 
123             TempG8 = TempG8 & 0xFF00;
124             TempG10 = TempG10 & 0xFF00;
125             TempG12 = TempG12 & 0xFF00;
126             TempG14 = TempG14 & 0xFF00;
127 
128             if (ChannelSwap)
129             {
130                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 0) = (TempR8 >> 8) + (TempG8);
131                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 1) = (TempB8 >> 8) + (TempA);
132 
133                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 0) = (TempR10 >> 8) + (TempG10);
134                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 1) = (TempB10 >> 8) + (TempA);
135 
136                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 0) = (TempR12 >> 8) + (TempG12);
137                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 1) = (TempB12 >> 8) + (TempA);
138 
139                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 0) = (TempR14 >> 8) + (TempG14);
140                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 1) = (TempB14 >> 8) + (TempA);
141             }
142             else
143             {
144                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 0) = (TempB8 >> 8) + (TempG8);
145                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 1) = (TempR8 >> 8) + (TempA);
146 
147                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 0) = (TempB10 >> 8) + (TempG10);
148                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 1) = (TempR10 >> 8) + (TempA);
149 
150                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 0) = (TempB12 >> 8) + (TempG12);
151                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 1) = (TempR12 >> 8) + (TempA);
152 
153                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 0) = (TempB14 >> 8) + (TempG14);
154                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 1) = (TempR14 >> 8) + (TempA);
155             }
156 
157             write(Dst_Surface, DstX * 4, DstY, Result);
158         }
159 
160         // Second 8x8
161         {
162             // R/G/B channel 1st half
163             matrix_ref<ushort, 1, 8> TempR0 = DataBuffer.select<1, 1, 8, 1>(8 * i + 2, 0);
164             matrix_ref<ushort, 1, 8> TempR2 = DataBuffer.select<1, 1, 8, 1>(8 * i + 2, 8);
165             matrix_ref<ushort, 1, 8> TempR4 = DataBuffer.select<1, 1, 8, 1>(8 * i + 2, 16);
166             matrix_ref<ushort, 1, 8> TempR6 = DataBuffer.select<1, 1, 8, 1>(8 * i + 2, 24);
167 
168             matrix_ref<ushort, 1, 8> TempG0 = DataBuffer.select<1, 1, 8, 1>(8 * i + 2, 32);
169             matrix_ref<ushort, 1, 8> TempG2 = DataBuffer.select<1, 1, 8, 1>(8 * i + 2, 40);
170             matrix_ref<ushort, 1, 8> TempG4 = DataBuffer.select<1, 1, 8, 1>(8 * i + 2, 48);
171             matrix_ref<ushort, 1, 8> TempG6 = DataBuffer.select<1, 1, 8, 1>(8 * i + 2, 56);
172 
173             matrix_ref<ushort, 1, 8> TempB0 = DataBuffer.select<1, 1, 8, 1>(8 * i + 3, 0);
174             matrix_ref<ushort, 1, 8> TempB2 = DataBuffer.select<1, 1, 8, 1>(8 * i + 3, 8);
175             matrix_ref<ushort, 1, 8> TempB4 = DataBuffer.select<1, 1, 8, 1>(8 * i + 3, 16);
176             matrix_ref<ushort, 1, 8> TempB6 = DataBuffer.select<1, 1, 8, 1>(8 * i + 3, 24);
177 
178             TempG0 = TempG0 & 0xFF00;
179             TempG2 = TempG2 & 0xFF00;
180             TempG4 = TempG4 & 0xFF00;
181             TempG6 = TempG6 & 0xFF00;
182 
183             if (ChannelSwap)
184             {
185                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 0) = (TempR0 >> 8) + (TempG0);
186                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 1) = (TempB0 >> 8) + (TempA);
187 
188                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 0) = (TempR2 >> 8) + (TempG2);
189                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 1) = (TempB2 >> 8) + (TempA);
190 
191                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 0) = (TempR4 >> 8) + (TempG4);
192                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 1) = (TempB4 >> 8) + (TempA);
193 
194                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 0) = (TempR6 >> 8) + (TempG6);
195                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 1) = (TempB6 >> 8) + (TempA);
196             }
197             else
198             {
199                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 0) = (TempB0 >> 8) + (TempG0);
200                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 1) = (TempR0 >> 8) + (TempA);
201 
202                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 0) = (TempB2 >> 8) + (TempG2);
203                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 1) = (TempR2 >> 8) + (TempA);
204 
205                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 0) = (TempB4 >> 8) + (TempG4);
206                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 1) = (TempR4 >> 8) + (TempA);
207 
208                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 0) = (TempB6 >> 8) + (TempG6);
209                 TempResult4x8_Top.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 1) = (TempR6 >> 8) + (TempA);
210             }
211 
212             // R/G/B channel 2nd half
213             matrix_ref<ushort, 1, 8> TempR8 = DataBuffer.select<1, 1, 8, 1>(8 * i + 6, 0);
214             matrix_ref<ushort, 1, 8> TempR10 = DataBuffer.select<1, 1, 8, 1>(8 * i + 6, 8);
215             matrix_ref<ushort, 1, 8> TempR12 = DataBuffer.select<1, 1, 8, 1>(8 * i + 6, 16);
216             matrix_ref<ushort, 1, 8> TempR14 = DataBuffer.select<1, 1, 8, 1>(8 * i + 6, 24);
217 
218             matrix_ref<ushort, 1, 8> TempG8 = DataBuffer.select<1, 1, 8, 1>(8 * i + 6, 32);
219             matrix_ref<ushort, 1, 8> TempG10 = DataBuffer.select<1, 1, 8, 1>(8 * i + 6, 40);
220             matrix_ref<ushort, 1, 8> TempG12 = DataBuffer.select<1, 1, 8, 1>(8 * i + 6, 48);
221             matrix_ref<ushort, 1, 8> TempG14 = DataBuffer.select<1, 1, 8, 1>(8 * i + 6, 56);
222 
223             matrix_ref<ushort, 1, 8> TempB8 = DataBuffer.select<1, 1, 8, 1>(8 * i + 7, 0);
224             matrix_ref<ushort, 1, 8> TempB10 = DataBuffer.select<1, 1, 8, 1>(8 * i + 7, 8);
225             matrix_ref<ushort, 1, 8> TempB12 = DataBuffer.select<1, 1, 8, 1>(8 * i + 7, 16);
226             matrix_ref<ushort, 1, 8> TempB14 = DataBuffer.select<1, 1, 8, 1>(8 * i + 7, 24);
227 
228             TempG8 = TempG8 & 0xFF00;
229             TempG10 = TempG10 & 0xFF00;
230             TempG12 = TempG12 & 0xFF00;
231             TempG14 = TempG14 & 0xFF00;
232 
233             if (ChannelSwap)
234             {
235                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 0) = (TempR8 >> 8) + (TempG8);
236                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 1) = (TempB8 >> 8) + (TempA);
237 
238                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 0) = (TempR10 >> 8) + (TempG10);
239                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 1) = (TempB10 >> 8) + (TempA);
240 
241                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 0) = (TempR12 >> 8) + (TempG12);
242                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 1) = (TempB12 >> 8) + (TempA);
243 
244                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 0) = (TempR14 >> 8) + (TempG14);
245                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 1) = (TempB14 >> 8) + (TempA);
246             }
247             else
248             {
249                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 0) = (TempB8 >> 8) + (TempG8);
250                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(0, 1) = (TempR8 >> 8) + (TempA);
251 
252                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 0) = (TempB10 >> 8) + (TempG10);
253                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(1, 1) = (TempR10 >> 8) + (TempA);
254 
255                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 0) = (TempB12 >> 8) + (TempG12);
256                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(2, 1) = (TempR12 >> 8) + (TempA);
257 
258                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 0) = (TempB14 >> 8) + (TempG14);
259                 TempResult4x8_Bottom.format<ushort, 4, 16>().select<1, 1, 8, 2>(3, 1) = (TempR14 >> 8) + (TempA);
260             }
261 
262             write(Dst_Surface, DstX * 4 + 32, DstY, Result);
263         }
264     }
265     //}
266 }