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 #include "AlphaSrcBlendG.h"
23 
AlphaSrcBlendG(CURBE_INPUT_OUTPUT,GLOBAL_BUFFER_INPUT_OUTPUT)24 _GENX_MAIN_ _CM_CALLABLE_ void AlphaSrcBlendG(
25     CURBE_INPUT_OUTPUT,
26     GLOBAL_BUFFER_INPUT_OUTPUT)
27 {
28     uchar Buffer_Index1 = (Buffer_Index & 0x0f) << 4;
29     uchar Buffer_Index2 = (Buffer_Index >> 4) << 4;
30 
31     uchar ConstAlpha = (ConstantBlendingAlpha((Layer_Index & 0x7f) - 1));
32     ushort Alpha1 = cm_add<ushort>(ConstAlpha << 8, 256, SAT);
33 
34     /*
35     Buffer layout after shuffle
36     _________________________________________________
37     |_______Block0__________|_______Block1__________|
38     |_______Block2__________|_______Block3__________|
39     |_______Block4__________|_______Block5__________|
40     |_______Block6__________|_______Block7__________|
41 
42     Write back buffer layout correlate to the block number#, each box stands for 1 GRF
43     _______________________________________________
44     |____R0_________R1_____|____R2_________R3_____|
45     |____G0_________G1_____|____G2_________G3_____|
46     |____B0_________B1_____|____B2_________B3_____|
47     |____A0_________A1_____|____A2_________A3_____|
48     |____R4_________R5_____|____R6_________R7_____|
49     |____G4_________G5_____|____G6_________G7_____|
50     |____B4_________B5_____|____B6_________B7_____|
51     |____A4_________A5_____|____A6_________A7_____|
52     */
53     {
54         matrix<uint, 1, 16> Temp;
55 
56         if (TempMask[CalculationMask])
57         {
58             // R1/G1/B1/A1
59             matrix<ushort, 1, 16> Alpha = DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + 6, 0);
60             Alpha = (Alpha * (cm_add<uchar>(ConstAlpha, 1, SAT))) >> 8;
61 
62             {
63                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_0, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_RV_0, 0) * Alpha1))) >> 16;
64                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_0, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_0, 0), TempMask[CalculationMask]);
65             }
66 
67             {
68                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_0, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_GY_0, 0) * Alpha1))) >> 16;
69                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_0, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_0, 0), TempMask[CalculationMask]);
70             }
71 
72             {
73                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_0, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_BU_0, 0) * Alpha1))) >> 16;
74                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_0, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_0, 0), TempMask[CalculationMask]);
75             }
76 
77             {
78                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_0, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_A_0, 0) * Alpha1))) >> 16;
79                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_0, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_0, 0), TempMask[CalculationMask]);
80             }
81         }
82 
83         if (TempMask[CalculationMask + 1])
84         {
85             // R2/G2/B2/A2
86             matrix<ushort, 1, 16> Alpha = DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + 7, 0);
87             Alpha = (Alpha * (cm_add<uchar>(ConstAlpha, 1, SAT))) >> 8;
88 
89             {
90                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_1, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_RV_1, 0) * Alpha1))) >> 16;
91                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_1, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_1, 0), TempMask[CalculationMask + 1]);
92             }
93 
94             {
95                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_1, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_GY_1, 0) * Alpha1))) >> 16;
96                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_1, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_1, 0), TempMask[CalculationMask + 1]);
97             }
98 
99             {
100                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_1, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_BU_1, 0) * Alpha1))) >> 16;
101                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_1, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_1, 0), TempMask[CalculationMask + 1]);
102             }
103 
104             {
105                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_1, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_A_1, 0) * Alpha1))) >> 16;
106                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_1, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_1, 0), TempMask[CalculationMask + 1]);
107             }
108         }
109 
110         if (TempMask[CalculationMask + 2])
111         {
112             // R3/G3/B3/A3
113             matrix<ushort, 1, 16> Alpha = DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + 14, 0);
114             Alpha = (Alpha * (cm_add<uchar>(ConstAlpha, 1, SAT))) >> 8;
115 
116             {
117                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_2, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_RV_2, 0) * Alpha1))) >> 16;
118                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_2, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_2, 0), TempMask[CalculationMask + 2]);
119             }
120 
121             {
122                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_2, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_GY_2, 0) * Alpha1))) >> 16;
123                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_2, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_2, 0), TempMask[CalculationMask + 2]);
124             }
125 
126             {
127                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_2, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_BU_2, 0) * Alpha1))) >> 16;
128                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_2, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_2, 0), TempMask[CalculationMask + 2]);
129             }
130 
131             {
132                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_2, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_A_2, 0) * Alpha1))) >> 16;
133                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_2, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_2, 0), TempMask[CalculationMask + 2]);
134             }
135         }
136 
137         if (TempMask[CalculationMask + 3])
138         {
139             // R4/G4/B4/A4
140             matrix<ushort, 1, 16> Alpha = DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + 15, 0);
141             Alpha = (Alpha * (cm_add<uchar>(ConstAlpha, 1, SAT))) >> 8;
142 
143             {
144                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_3, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_RV_3, 0) * Alpha1))) >> 16;
145                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_3, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_RV_3, 0), TempMask[CalculationMask + 3]);
146             }
147 
148             {
149                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_3, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_GY_3, 0) * Alpha1))) >> 16;
150                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_3, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_GY_3, 0), TempMask[CalculationMask + 3]);
151             }
152 
153             {
154                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_3, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_BU_3, 0) * Alpha1))) >> 16;
155                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_3, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_BU_3, 0), TempMask[CalculationMask + 3]);
156             }
157 
158             {
159                 Temp = (((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_3, 0) * (cm_add<ushort>(0xFF00, -Alpha, SAT)))) + ((DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index2 + Channel_Offset_A_3, 0) * Alpha1))) >> 16;
160                 DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_3, 0).merge(Temp.format<ushort, 1, 32>().select<1, 1, 16, 2>(0, 1), DataBuffer.format<ushort, 96, 16>().select<1, 1, 16, 1>(Buffer_Index1 + Channel_Offset_A_3, 0), TempMask[CalculationMask + 3]);
161             }
162         }
163     }
164 }