// RUN: %dxc -E main -T cs_6_0 %s | FileCheck %s // CHECK: flattenedThreadIdInGroup // CHECK: groupId // CHECK: bufferLoad // CHECK: bufferStore //-------------------------------------------------------------------------------------- // File: BC7Encode.hlsl // // The Compute Shader for BC7 Decoder // // Copyright (c) Microsoft Corporation. All rights reserved. //-------------------------------------------------------------------------------------- //#define REF_DEVICE #define UINTLENGTH 32 #define NCHANNELS 4 #define BC7_UNORM 98 static const uint candidateSectionCompressed[128] = { 0x5050505, 0x1010101, 0x15151515, 0x1050515, 0x10105, 0x5151555, 0x1051555, 0x10515, 0x105, 0x5155555, 0x11555, 0x115, 0x1155555, 0x5555, 0x555555, 0x55, 0x405455, 0x15010000, 0x4054, 0x15050100, 0x5010000, 0x405054, 0x4050, 0x15050501, 0x5010100, 0x404050, 0x14141414, 0x5141450, 0x1155440, 0x555500, 0x15014054, 0x5414150, 0x11111111, 0x550055, 0x11441144, 0x5055050, 0x5500550, 0x11114444, 0x14411441, 0x11444411, 0x15055054, 0x1055040, 0x5041050, 0x5455150, 0x14414114, 0x5505005, 0x14144141, 0x141400, 0x10541000, 0x4150400, 0x41504, 0x105410, 0x14504105, 0x5145041, 0x14054150, 0x5415014, 0x14505041, 0x14050541, 0x15544001, 0x1405415, 0x550505, 0x5055500, 0x4045454, 0x10101515, 0x50529aa, 0x105a5a9, 0x81a5a5, 0x2a0a0515, 0x5a5a, 0x5050a0a, 0xa0a5555, 0x505a5a5, 0x55aa, 0x5555aa, 0x55aaaa, 0x6060606, 0x16161616, 0x1a1a1a1a, 0x5165a6a, 0x581a0a8, 0x105165a, 0x150581a0, 0x5a5a5a, 0xa0a0a55, 0x15152a2a, 0x101a9a9, 0x51a1a, 0x50a4a4, 0x1a1a0500, 0x6065aaa, 0x14696914, 0x146969, 0xa52520a, 0x141482aa, 0x51a1a05, 0x80a5a9, 0x25a6a, 0x2a0a0605, 0x5060a2a, 0x18181818, 0x55aa00, 0x18618618, 0x18866118, 0x5a05a05, 0x55aa005, 0x1111aaaa, 0x9999, 0xa5a0a5a, 0xa050a05, 0x28692869, 0x11aaaa11, 0x999999, 0x111111aa, 0x2a152a15, 0x2560256, 0x969696, 0x2a15152a, 0x2565602, 0x141414aa, 0x9696, 0x1414aaaa, 0xa05050a, 0xa5a5a0a, 0x96, 0x2010201, 0x2a6a2a6a, 0x11aaaaaa, 0x1585a1a8 }; /*static const uint4x4 candidateSection[128] = { {0,0,1,1, 0,0,1,1, 0,0,1,1, 0,0,1,1}, {0,0,0,1, 0,0,0,1, 0,0,0,1, 0,0,0,1}, {0,1,1,1, 0,1,1,1, 0,1,1,1, 0,1,1,1}, {0,0,0,1, 0,0,1,1, 0,0,1,1, 0,1,1,1}, {0,0,0,0, 0,0,0,1, 0,0,0,1, 0,0,1,1}, {0,0,1,1, 0,1,1,1, 0,1,1,1, 1,1,1,1}, {0,0,0,1, 0,0,1,1, 0,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,1, 0,0,1,1, 0,1,1,1}, {0,0,0,0, 0,0,0,0, 0,0,0,1, 0,0,1,1}, {0,0,1,1, 0,1,1,1, 1,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,1, 0,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,0, 0,0,0,1, 0,1,1,1}, {0,0,0,1, 0,1,1,1, 1,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,0, 1,1,1,1, 1,1,1,1}, {0,0,0,0, 1,1,1,1, 1,1,1,1, 1,1,1,1}, {0,0,0,0, 0,0,0,0, 0,0,0,0, 1,1,1,1}, {0,0,0,0, 1,0,0,0, 1,1,1,0, 1,1,1,1}, {0,1,1,1, 0,0,0,1, 0,0,0,0, 0,0,0,0}, {0,0,0,0, 0,0,0,0, 1,0,0,0, 1,1,1,0}, {0,1,1,1, 0,0,1,1, 0,0,0,1, 0,0,0,0}, {0,0,1,1, 0,0,0,1, 0,0,0,0, 0,0,0,0}, {0,0,0,0, 1,0,0,0, 1,1,0,0, 1,1,1,0}, {0,0,0,0, 0,0,0,0, 1,0,0,0, 1,1,0,0}, {0,1,1,1, 0,0,1,1, 0,0,1,1, 0,0,0,1}, {0,0,1,1, 0,0,0,1, 0,0,0,1, 0,0,0,0}, {0,0,0,0, 1,0,0,0, 1,0,0,0, 1,1,0,0}, {0,1,1,0, 0,1,1,0, 0,1,1,0, 0,1,1,0}, {0,0,1,1, 0,1,1,0, 0,1,1,0, 1,1,0,0}, {0,0,0,1, 0,1,1,1, 1,1,1,0, 1,0,0,0}, {0,0,0,0, 1,1,1,1, 1,1,1,1, 0,0,0,0}, {0,1,1,1, 0,0,0,1, 1,0,0,0, 1,1,1,0}, {0,0,1,1, 1,0,0,1, 1,0,0,1, 1,1,0,0}, {0,1,0,1, 0,1,0,1, 0,1,0,1, 0,1,0,1}, {0,0,0,0, 1,1,1,1, 0,0,0,0, 1,1,1,1}, {0,1,0,1, 1,0,1,0, 0,1,0,1, 1,0,1,0}, {0,0,1,1, 0,0,1,1, 1,1,0,0, 1,1,0,0}, {0,0,1,1, 1,1,0,0, 0,0,1,1, 1,1,0,0}, {0,1,0,1, 0,1,0,1, 1,0,1,0, 1,0,1,0}, {0,1,1,0, 1,0,0,1, 0,1,1,0, 1,0,0,1}, {0,1,0,1, 1,0,1,0, 1,0,1,0, 0,1,0,1}, {0,1,1,1, 0,0,1,1, 1,1,0,0, 1,1,1,0}, {0,0,0,1, 0,0,1,1, 1,1,0,0, 1,0,0,0}, {0,0,1,1, 0,0,1,0, 0,1,0,0, 1,1,0,0}, {0,0,1,1, 1,0,1,1, 1,1,0,1, 1,1,0,0}, {0,1,1,0, 1,0,0,1, 1,0,0,1, 0,1,1,0}, {0,0,1,1, 1,1,0,0, 1,1,0,0, 0,0,1,1}, {0,1,1,0, 0,1,1,0, 1,0,0,1, 1,0,0,1}, {0,0,0,0, 0,1,1,0, 0,1,1,0, 0,0,0,0}, {0,1,0,0, 1,1,1,0, 0,1,0,0, 0,0,0,0}, {0,0,1,0, 0,1,1,1, 0,0,1,0, 0,0,0,0}, {0,0,0,0, 0,0,1,0, 0,1,1,1, 0,0,1,0}, {0,0,0,0, 0,1,0,0, 1,1,1,0, 0,1,0,0}, {0,1,1,0, 1,1,0,0, 1,0,0,1, 0,0,1,1}, {0,0,1,1, 0,1,1,0, 1,1,0,0, 1,0,0,1}, {0,1,1,0, 0,0,1,1, 1,0,0,1, 1,1,0,0}, {0,0,1,1, 1,0,0,1, 1,1,0,0, 0,1,1,0}, {0,1,1,0, 1,1,0,0, 1,1,0,0, 1,0,0,1}, {0,1,1,0, 0,0,1,1, 0,0,1,1, 1,0,0,1}, {0,1,1,1, 1,1,1,0, 1,0,0,0, 0,0,0,1}, {0,0,0,1, 1,0,0,0, 1,1,1,0, 0,1,1,1}, {0,0,0,0, 1,1,1,1, 0,0,1,1, 0,0,1,1}, {0,0,1,1, 0,0,1,1, 1,1,1,1, 0,0,0,0}, {0,0,1,0, 0,0,1,0, 1,1,1,0, 1,1,1,0}, {0,1,0,0, 0,1,0,0, 0,1,1,1, 0,1,1,1}, {0,0,1,1, 0,0,1,1, 0,2,2,1, 2,2,2,2}, {0,0,0,1, 0,0,1,1, 2,2,1,1, 2,2,2,1}, {0,0,0,0, 2,0,0,1, 2,2,1,1, 2,2,1,1}, {0,2,2,2, 0,0,2,2, 0,0,1,1, 0,1,1,1}, {0,0,0,0, 0,0,0,0, 1,1,2,2, 1,1,2,2}, {0,0,1,1, 0,0,1,1, 0,0,2,2, 0,0,2,2}, {0,0,2,2, 0,0,2,2, 1,1,1,1, 1,1,1,1}, {0,0,1,1, 0,0,1,1, 2,2,1,1, 2,2,1,1}, {0,0,0,0, 0,0,0,0, 1,1,1,1, 2,2,2,2}, {0,0,0,0, 1,1,1,1, 1,1,1,1, 2,2,2,2}, {0,0,0,0, 1,1,1,1, 2,2,2,2, 2,2,2,2}, {0,0,1,2, 0,0,1,2, 0,0,1,2, 0,0,1,2}, {0,1,1,2, 0,1,1,2, 0,1,1,2, 0,1,1,2}, {0,1,2,2, 0,1,2,2, 0,1,2,2, 0,1,2,2}, {0,0,1,1, 0,1,1,2, 1,1,2,2, 1,2,2,2}, {0,0,1,1, 2,0,0,1, 2,2,0,0, 2,2,2,0}, {0,0,0,1, 0,0,1,1, 0,1,1,2, 1,1,2,2}, {0,1,1,1, 0,0,1,1, 2,0,0,1, 2,2,0,0}, {0,0,0,0, 1,1,2,2, 1,1,2,2, 1,1,2,2}, {0,0,2,2, 0,0,2,2, 0,0,2,2, 1,1,1,1}, {0,1,1,1, 0,1,1,1, 0,2,2,2, 0,2,2,2}, {0,0,0,1, 0,0,0,1, 2,2,2,1, 2,2,2,1}, {0,0,0,0, 0,0,1,1, 0,1,2,2, 0,1,2,2}, {0,0,0,0, 1,1,0,0, 2,2,1,0, 2,2,1,0}, {0,1,2,2, 0,1,2,2, 0,0,1,1, 0,0,0,0}, {0,0,1,2, 0,0,1,2, 1,1,2,2, 2,2,2,2}, {0,1,1,0, 1,2,2,1, 1,2,2,1, 0,1,1,0}, {0,0,0,0, 0,1,1,0, 1,2,2,1, 1,2,2,1}, {0,0,2,2, 1,1,0,2, 1,1,0,2, 0,0,2,2}, {0,1,1,0, 0,1,1,0, 2,0,0,2, 2,2,2,2}, {0,0,1,1, 0,1,2,2, 0,1,2,2, 0,0,1,1}, {0,0,0,0, 2,0,0,0, 2,2,1,1, 2,2,2,1}, {0,0,0,0, 0,0,0,2, 1,1,2,2, 1,2,2,2}, {0,2,2,2, 0,0,2,2, 0,0,1,2, 0,0,1,1}, {0,0,1,1, 0,0,1,2, 0,0,2,2, 0,2,2,2}, {0,1,2,0, 0,1,2,0, 0,1,2,0, 0,1,2,0}, {0,0,0,0, 1,1,1,1, 2,2,2,2, 0,0,0,0}, {0,1,2,0, 1,2,0,1, 2,0,1,2, 0,1,2,0}, {0,1,2,0, 2,0,1,2, 1,2,0,1, 0,1,2,0}, {0,0,1,1, 2,2,0,0, 1,1,2,2, 0,0,1,1}, {0,0,1,1, 1,1,2,2, 2,2,0,0, 0,0,1,1}, {0,1,0,1, 0,1,0,1, 2,2,2,2, 2,2,2,2}, {0,0,0,0, 0,0,0,0, 2,1,2,1, 2,1,2,1}, {0,0,2,2, 1,1,2,2, 0,0,2,2, 1,1,2,2}, {0,0,2,2, 0,0,1,1, 0,0,2,2, 0,0,1,1}, {0,2,2,0, 1,2,2,1, 0,2,2,0, 1,2,2,1}, {0,1,0,1, 2,2,2,2, 2,2,2,2, 0,1,0,1}, {0,0,0,0, 2,1,2,1, 2,1,2,1, 2,1,2,1}, {0,1,0,1, 0,1,0,1, 0,1,0,1, 2,2,2,2}, {0,2,2,2, 0,1,1,1, 0,2,2,2, 0,1,1,1}, {0,0,0,2, 1,1,1,2, 0,0,0,2, 1,1,1,2}, {0,0,0,0, 2,1,1,2, 2,1,1,2, 2,1,1,2}, {0,2,2,2, 0,1,1,1, 0,1,1,1, 0,2,2,2}, {0,0,0,2, 1,1,1,2, 1,1,1,2, 0,0,0,2}, {0,1,1,0, 0,1,1,0, 0,1,1,0, 2,2,2,2}, {0,0,0,0, 0,0,0,0, 2,1,1,2, 2,1,1,2}, {0,1,1,0, 0,1,1,0, 2,2,2,2, 2,2,2,2}, {0,0,2,2, 0,0,1,1, 0,0,1,1, 0,0,2,2}, {0,0,2,2, 1,1,2,2, 1,1,2,2, 0,0,2,2}, {0,0,0,0, 0,0,0,0, 0,0,0,0, 2,1,1,2}, {0,0,0,2, 0,0,0,1, 0,0,0,2, 0,0,0,1}, {0,2,2,2, 1,2,2,2, 0,2,2,2, 1,2,2,2}, {0,1,0,1, 2,2,2,2, 2,2,2,2, 2,2,2,2}, {0,1,1,1, 2,0,1,1, 2,2,0,1, 2,2,2,0} };*/ /*static const uint2 candidateFixUpIndex1D[128] = { {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{ 2, 0},{ 8, 0},{ 2, 0}, { 2, 0},{ 8, 0},{ 8, 0},{15, 0}, { 2, 0},{ 8, 0},{ 2, 0},{ 2, 0}, { 8, 0},{ 8, 0},{ 2, 0},{ 2, 0}, {15, 0},{15, 0},{ 6, 0},{ 8, 0}, { 2, 0},{ 8, 0},{15, 0},{15, 0}, { 2, 0},{ 8, 0},{ 2, 0},{ 2, 0}, { 2, 0},{15, 0},{15, 0},{ 6, 0}, { 6, 0},{ 2, 0},{ 6, 0},{ 8, 0}, {15, 0},{15, 0},{ 2, 0},{ 2, 0}, {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{ 2, 0},{ 2, 0},{15, 0}, //candidateFixUpIndex1D[i][1], i < 64 should not be used { 3,15},{ 3, 8},{15, 8},{15, 3}, { 8,15},{ 3,15},{15, 3},{15, 8}, { 8,15},{ 8,15},{ 6,15},{ 6,15}, { 6,15},{ 5,15},{ 3,15},{ 3, 8}, { 3,15},{ 3, 8},{ 8,15},{15, 3}, { 3,15},{ 3, 8},{ 6,15},{10, 8}, { 5, 3},{ 8,15},{ 8, 6},{ 6,10}, { 8,15},{ 5,15},{15,10},{15, 8}, { 8,15},{15, 3},{ 3,15},{ 5,10}, { 6,10},{10, 8},{ 8, 9},{15,10}, {15, 6},{ 3,15},{15, 8},{ 5,15}, {15, 3},{15, 6},{15, 6},{15, 8}, //The Spec doesn't mark the first fixed up index in this row, so I apply 15 for them, and seems correct { 3,15},{15, 3},{ 5,15},{ 5,15}, { 5,15},{ 8,15},{ 5,15},{10,15}, { 5,15},{10,15},{ 8,15},{13,15}, {15, 3},{12,15},{ 3,15},{ 3, 8}, };*/ static const uint2 candidateFixUpIndex1DOrdered[128] = //Same with candidateFixUpIndex1D but order the result when i >= 64 { {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{ 2, 0},{ 8, 0},{ 2, 0}, { 2, 0},{ 8, 0},{ 8, 0},{15, 0}, { 2, 0},{ 8, 0},{ 2, 0},{ 2, 0}, { 8, 0},{ 8, 0},{ 2, 0},{ 2, 0}, {15, 0},{15, 0},{ 6, 0},{ 8, 0}, { 2, 0},{ 8, 0},{15, 0},{15, 0}, { 2, 0},{ 8, 0},{ 2, 0},{ 2, 0}, { 2, 0},{15, 0},{15, 0},{ 6, 0}, { 6, 0},{ 2, 0},{ 6, 0},{ 8, 0}, {15, 0},{15, 0},{ 2, 0},{ 2, 0}, {15, 0},{15, 0},{15, 0},{15, 0}, {15, 0},{ 2, 0},{ 2, 0},{15, 0}, //candidateFixUpIndex1DOrdered[i][1], i < 64 should not be used { 3,15},{ 3, 8},{ 8,15},{ 3,15}, { 8,15},{ 3,15},{ 3,15},{ 8,15}, { 8,15},{ 8,15},{ 6,15},{ 6,15}, { 6,15},{ 5,15},{ 3,15},{ 3, 8}, { 3,15},{ 3, 8},{ 8,15},{ 3,15}, { 3,15},{ 3, 8},{ 6,15},{ 8,10}, { 3, 5},{ 8,15},{ 6, 8},{ 6,10}, { 8,15},{ 5,15},{10,15},{ 8,15}, { 8,15},{ 3,15},{ 3,15},{ 5,10}, { 6,10},{ 8,10},{ 8, 9},{10,15}, { 6,15},{ 3,15},{ 8,15},{ 5,15}, { 3,15},{ 6,15},{ 6,15},{ 8,15}, //The Spec doesn't mark the first fixed up index in this row, so I apply 15 for them { 3,15},{ 3,15},{ 5,15},{ 5,15}, { 5,15},{ 8,15},{ 5,15},{10,15}, { 5,15},{10,15},{ 8,15},{13,15}, { 3,15},{12,15},{ 3,15},{ 3, 8}, }; static const uint4x4 candidateRotation[4] = { {1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}, {0,0,0,1},{0,1,0,0},{0,0,1,0},{1,0,0,0}, {1,0,0,0},{0,0,0,1},{0,0,1,0},{0,1,0,0}, {1,0,0,0},{0,1,0,0},{0,0,0,1},{0,0,1,0} }; static const uint2 candidateIndexPrec[8] = {{3,0},{3,0},{2,0},{2,0}, {2,3}, //color index and alpha index can exchange {2,2},{4,4},{2,2}}; /*cbuffer cbCS : register( b0 ) { uint4 g_param; //(g_param.x, g_param.y) is the x and y dimensions of the Dispatch call //g_param.z defines the format, should be only BC7_UNORM, but is not used in the shader };*/ cbuffer cbCS : register( b0 ) { uint g_tex_width; uint g_num_block_x; uint g_format; uint g_tex_size; uint g_start_block_id; }; void extract_mode_and_partition( out uint mode, out uint partition, out uint rotation, out uint2 indexPrec, uint4 block ); void extract_and_decode_endpoints_00( out uint4 endPoint, uint mode, uint4 block ); void extract_and_decode_endpoints_01( out uint4 endPoint, uint mode, uint4 block ); void extract_and_decode_endpoints_10( out uint4 endPoint, uint mode, uint4 block ); void extract_and_decode_endpoints_11( out uint4 endPoint, uint mode, uint4 block ); void extract_and_decode_endpoints_20( out uint4 endPoint, uint mode, uint4 block ); void extract_and_decode_endpoints_21( out uint4 endPoint, uint mode, uint4 block ); void get_index( out uint alpha_index, out uint color_index, out uint subset_index, uint x, uint y, uint mode, uint partition, uint4 block ); uint3 interpolate_color( uint color_index, uint index_prec, uint2x4 endPoint ); uint interpolate_alpha( uint alpha_index, uint index_prec, uint2x4 endPoint ); StructuredBuffer g_InBuff : register( t0 ); RWStructuredBuffer g_OutBuff : register( u0 ); #define THREAD_GROUP_SIZE 64 #define BLOCK_SIZE_Y 4 #define BLOCK_SIZE_X 4 #define BLOCK_SIZE (BLOCK_SIZE_Y * BLOCK_SIZE_X) #define BLOCK_IN_GROUP (THREAD_GROUP_SIZE / BLOCK_SIZE) groupshared uint4 shared_temp[THREAD_GROUP_SIZE]; [numthreads( THREAD_GROUP_SIZE, 1, 1 )] void main(uint GI : SV_GroupIndex, uint3 groupID : SV_GroupID) { uint blockInGroup = GI / BLOCK_SIZE; uint blockID = g_start_block_id + groupID.x * BLOCK_IN_GROUP + blockInGroup; uint threadInBlock = GI - blockInGroup * BLOCK_SIZE; if (0 == threadInBlock) { shared_temp[GI] = g_InBuff[blockID]; } #ifdef REF_DEVICE GroupMemoryBarrierWithGroupSync(); #endif uint4 bc_data = shared_temp[blockInGroup * BLOCK_SIZE + 0]; uint mode; uint partition; uint rotation; uint2 indexPrec; extract_mode_and_partition( mode, partition, rotation, indexPrec, bc_data ); if (1 == threadInBlock) { uint4 endPoint; extract_and_decode_endpoints_00( endPoint, mode, bc_data ); shared_temp[GI] = endPoint; } else if (2 == threadInBlock) { uint4 endPoint; extract_and_decode_endpoints_01( endPoint, mode, bc_data ); shared_temp[GI] = endPoint; } else if (3 == threadInBlock) { uint4 endPoint; extract_and_decode_endpoints_10( endPoint, mode, bc_data ); shared_temp[GI] = endPoint; } else if (4 == threadInBlock) { uint4 endPoint; extract_and_decode_endpoints_11( endPoint, mode, bc_data ); shared_temp[GI] = endPoint; } else if (5 == threadInBlock) { uint4 endPoint; extract_and_decode_endpoints_20( endPoint, mode, bc_data ); shared_temp[GI] = endPoint; } else if (6 == threadInBlock) { uint4 endPoint; extract_and_decode_endpoints_21( endPoint, mode, bc_data ); shared_temp[GI] = endPoint; } #ifdef REF_DEVICE GroupMemoryBarrierWithGroupSync(); #endif uint y = threadInBlock / BLOCK_SIZE_X; uint x = threadInBlock - y * BLOCK_SIZE_X; uint block_y = blockID / g_num_block_x; uint block_x = blockID - block_y * g_num_block_x; uint addr = (block_y * BLOCK_SIZE_Y + y) * g_tex_width + block_x * BLOCK_SIZE_X + x; if (addr < g_tex_size) { uint alpha_index = 0; uint color_index = 0; uint subset_index = 0; get_index( alpha_index, color_index, subset_index, x, y, mode, partition, bc_data ); uint2x4 endPoint; //At most has 3 pairs of endpoints endPoint[0] = shared_temp[blockInGroup * BLOCK_SIZE + subset_index * 2 + 1]; endPoint[1] = shared_temp[blockInGroup * BLOCK_SIZE + subset_index * 2 + 2]; uint4 pixel; pixel.rgb = interpolate_color( color_index, indexPrec.x, endPoint); if ( mode >= 4 ) { pixel.a = interpolate_alpha( alpha_index, indexPrec.y, endPoint); } else { pixel.a = 255; } uint4 pixelFinal = pixel; if (1 == rotation) { pixelFinal.ra = pixel.ar; } else if (2 == rotation) { pixelFinal.ga = pixel.ag; } else if (3 == rotation) { pixelFinal.ba = pixel.ab; } g_OutBuff[addr] = pixelFinal.r | ( pixelFinal.g << 8 ) | ( pixelFinal.b << 16 ) | ( pixelFinal.a << 24 ); } } void extract_mode_and_partition( out uint mode, out uint partition, out uint rotation, out uint2 indexPrec, uint4 block ) { if ( block.x & 0x01 ) { mode = 0; partition = ( ( block.x >> 1 ) & 0x0F ) + 64; rotation = 0; indexPrec = candidateIndexPrec[0]; } else if ( block.x & 0x02 ) { mode = 1; partition = ( block.x >> 2 ) & 0x3F; rotation = 0; indexPrec = candidateIndexPrec[1]; } else if ( block.x & 0x04 ) { mode = 2; partition = ( ( block.x >> 3 ) & 0x3F ) + 64; rotation = 0; indexPrec = candidateIndexPrec[2]; } else if ( block.x & 0x08 ) { mode = 3; partition = ( block.x >> 4 ) & 0x3F; rotation = 0; indexPrec = candidateIndexPrec[3]; } else if ( block.x & 0x10 ) { mode = 4; partition = 0; rotation = ( block.x >> 5 ) & 0x03; if ( block.x & 0x80 ) indexPrec = uint2( 3, 2 ); else indexPrec = candidateIndexPrec[4]; } else if ( block.x & 0x20 ) { mode = 5; partition = 0; rotation = ( block.x >> 6 ) & 0x03; indexPrec = candidateIndexPrec[5]; } else if ( block.x & 0x40 ) { mode = 6; partition = 0; rotation = 0; indexPrec = candidateIndexPrec[6]; } else //block.x & 0x80 { mode = 7; partition = ( block.x >> 8 ) & 0x3F; rotation = 0; indexPrec = candidateIndexPrec[7]; } } void extract_and_decode_endpoints_00( out uint4 endPoint, uint mode, uint4 block ) { if ( mode == 0 ) { endPoint.r = ( block.x >> 1 ) & 0xF0; endPoint.g = ( ( block.x >> 25 ) & 0xF0 ) | ( ( block.y << 7 ) & 0xF0 ); endPoint.b = ( block.y >> 17 ) & 0xF0; endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 10 ) & 0x08 ) | ( endPoint.rgb >> 5 ); } else if ( mode == 1 ) { endPoint.r = ( block.x >> 6 ) & 0xFC; endPoint.g = ( block.y << 2 ) & 0xFC; endPoint.b = ( block.y >> 22 ) & 0xFC; endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 15 ) & 0x02 ) | ( endPoint.rgb >> 7 ); } else if ( mode == 2 ) { endPoint.r = ( block.x >> 6 ) & 0xF8; endPoint.g = ( block.y >> 4 ) & 0xF8; endPoint.b = ( block.z >> 2 ) & 0xF8; endPoint.a = 255; endPoint |= endPoint >> 5; } else if ( mode == 3 ) { endPoint.r = ( block.x >> 9 ) & 0xFE; endPoint.g = ( block.y >> 5 ) & 0xFE; endPoint.b = ( block.z >> 1 ) & 0xFE; endPoint.a = 255; endPoint.rgb |= ( block.z >> 30 ) & 0x01; } else if ( mode == 4 ) { endPoint.r = ( block.x >> 5 ) & 0xF8; endPoint.g = ( block.x >> 15 ) & 0xF8; endPoint.b = ( ( block.x >> 25 ) & 0xF8 ) | ( ( block.y << 7 ) & 0xF8 ); endPoint.a = ( block.y >> 4 ) & 0xFC; endPoint.rgb |= endPoint.rgb >> 5; endPoint.a |= endPoint.a >> 6; } else if ( mode == 5 ) { endPoint.r = ( block.x >> 7 ) & 0xFE; endPoint.g = ( block.x >> 21 ) & 0xFE; endPoint.b = ( block.y >> 3 ) & 0xFE; endPoint.a = ( block.y >> 18 ) & 0xFF; endPoint.rgb |= endPoint.rgb >> 7; } else if ( mode == 6 ) { endPoint.r = ( block.x >> 6 ) & 0xFE; endPoint.g = ( block.x >> 20 ) & 0xFE; endPoint.b = ( block.y >> 2 ) & 0xFE; endPoint.a = ( block.y >> 16 ) & 0xFE; endPoint |= ( block.y >> 31 ) & 0x01; } else if ( mode == 7 ) { endPoint.r = ( block.x >> 11 ) & 0xF8; endPoint.g = ( block.y << 1 ) & 0xF8; endPoint.b = ( block.y >> 19 ) & 0xF8; endPoint.a = ( block.z >> 7 ) & 0xF8; endPoint |= ( ( block.z >> 28 ) & 0x04 ) | ( endPoint >> 6 ); } } void extract_and_decode_endpoints_01( out uint4 endPoint, uint mode, uint4 block ) { if ( mode == 0 ) { endPoint.r = ( block.x >> 5 ) & 0xF0; endPoint.g = ( block.y << 3 ) & 0xF0; endPoint.b = ( block.y >> 21 ) & 0xF0; endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 11 ) & 0x08 ) | ( endPoint.rgb >> 5 ); } else if ( mode == 1 ) { endPoint.r = ( block.x >> 12 ) & 0xFC; endPoint.g = ( block.y >> 4 ) & 0xFC; endPoint.b = ( ( block.y >> 28 ) & 0xFC ) | ( ( block.z << 4 ) & 0xFC ); endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 15 ) & 0x02 ) | ( endPoint.rgb >> 7 ); } else if ( mode == 2 ) { endPoint.r = ( block.x >> 11 ) & 0xF8; endPoint.g = ( block.y >> 9 ) & 0xF8; endPoint.b = ( block.z >> 7 ) & 0xF8; endPoint.a = 255; endPoint |= endPoint >> 5; } else if ( mode == 3 ) { endPoint.r = ( block.x >> 16 ) & 0xFE; endPoint.g = ( block.y >> 12 ) & 0xFE; endPoint.b = ( block.z >> 8 ) & 0xFE; endPoint.a = 255; endPoint.rgb |= ( block.z >> 31 ) & 0x01; } else if ( mode == 4 ) { endPoint.r = ( block.x >> 10 ) & 0xF8; endPoint.g = ( block.x >> 20 ) & 0xF8; endPoint.b = ( block.y << 2 ) & 0xF8; endPoint.a = ( block.y >> 10 ) & 0xFC; endPoint.rgb |= endPoint.rgb >> 5; endPoint.a |= endPoint.a >> 6; } else if ( mode == 5 ) { endPoint.r = ( block.x >> 14 ) & 0xFE; endPoint.g = ( ( block.x >> 28 ) & 0xFE ) | ( ( block.y << 4 ) & 0xFE ); endPoint.b = ( block.y >> 10 ) & 0xFE; endPoint.a = ( ( block.y >> 26 ) & 0xFF ) | ( ( block.z << 6 ) & 0xFF ); endPoint.rgb |= endPoint.rgb >> 7; } else if ( mode == 6 ) { endPoint.r = ( block.x >> 13 ) & 0xFE; endPoint.g = ( ( block.x >> 27 ) & 0xFE ) | ( ( block.y << 5 ) & 0xFE ); endPoint.b = ( block.y >> 9 ) & 0xFE; endPoint.a = ( block.y >> 23 ) & 0xFE; endPoint |= ( block.z >> 0 ) & 0x01; } else if ( mode == 7 ) { endPoint.r = ( block.x >> 16 ) & 0xF8; endPoint.g = ( block.y >> 4 ) & 0xF8; endPoint.b = ( block.y >> 24 ) & 0xF8; endPoint.a = ( block.z >> 12 ) & 0xF8; endPoint |= ( ( block.z >> 29 ) & 0x04 ) | ( endPoint >> 6 ); } } void extract_and_decode_endpoints_10( out uint4 endPoint, uint mode, uint4 block ) { if ( mode == 0 ) { endPoint.r = ( block.x >> 9 ) & 0xF0; endPoint.g = ( block.y >> 1 ) & 0xF0; endPoint.b = ( ( block.y >> 25 ) & 0xF0 ) | ( ( block.z << 7 ) & 0xF0 ); endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 12 ) & 0x08 ) | ( endPoint.rgb >> 5 ); } else if ( mode == 1 ) { endPoint.r = ( block.x >> 18 ) & 0xFC; endPoint.g = ( block.y >> 10 ) & 0xFC; endPoint.b = ( block.z >> 2 ) & 0xFC; endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 16 ) & 0x02 ) | ( endPoint.rgb >> 7 ); } else if ( mode == 2 ) { endPoint.r = ( block.x >> 16 ) & 0xF8; endPoint.g = ( block.y >> 14 ) & 0xF8; endPoint.b = ( block.z >> 12 ) & 0xF8; endPoint.a = 255; endPoint |= endPoint >> 5; } else if ( mode == 3 ) { endPoint.r = ( block.x >> 23 ) & 0xFE; endPoint.g = ( block.y >> 19 ) & 0xFE; endPoint.b = ( block.z >> 15 ) & 0xFE; endPoint.a = 255; endPoint.rgb |= ( block.w >> 0 ) & 0x01; } else if ( mode == 4 ) { endPoint = 0; } else if ( mode == 5 ) { endPoint = 0; } else if ( mode == 6 ) { endPoint = 0; } else if ( mode == 7 ) { endPoint.r = ( block.x >> 21 ) & 0xF8; endPoint.g = ( block.y >> 9 ) & 0xF8; endPoint.b = ( block.z << 3 ) & 0xF8; endPoint.a = ( block.z >> 17 ) & 0xF8; endPoint |= ( ( block.w << 2 ) & 0x04 ) | ( endPoint >> 6 ); } } void extract_and_decode_endpoints_11( out uint4 endPoint, uint mode, uint4 block ) { if ( mode == 0 ) { endPoint.r = ( block.x >> 13 ) & 0xF0; endPoint.g = ( block.y >> 5 ) & 0xF0; endPoint.b = ( block.z << 3 ) & 0xF0; endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 13 ) & 0x08 ) | ( endPoint.rgb >> 5 ); } else if ( mode == 1 ) { endPoint.r = ( block.x >> 24 ) & 0xFC; endPoint.g = ( block.y >> 16 ) & 0xFC; endPoint.b = ( block.z >> 8 ) & 0xFC; endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 16 ) & 0x02 ) | ( endPoint.rgb >> 7 ); } else if ( mode == 2 ) { endPoint.r = ( block.x >> 21 ) & 0xF8; endPoint.g = ( block.y >> 19 ) & 0xF8; endPoint.b = ( block.z >> 17 ) & 0xF8; endPoint.a = 255; endPoint |= endPoint >> 5; } else if ( mode == 3 ) { endPoint.r = ( ( block.x >> 30 ) & 0xFE ) | ( ( block.y << 2 ) & 0xFE ); endPoint.g = ( ( block.y >> 26 ) & 0xFE ) | ( ( block.z << 6 ) & 0xFE ); endPoint.b = ( block.z >> 22 ) & 0xFE; endPoint.a = 255; endPoint.rgb |= ( block.w >> 1 ) & 0x01; } else if ( mode == 4 ) { endPoint = 0; } else if ( mode == 5 ) { endPoint = 0; } else if ( mode == 6 ) { endPoint = 0; } else if ( mode == 7 ) { endPoint.r = ( ( block.x >> 26 ) & 0xF8 ) | ( ( block.y << 6 ) & 0xF8 ); endPoint.g = ( block.y >> 14 ) & 0xF8; endPoint.b = ( block.z >> 2 ) & 0xF8; endPoint.a = ( block.z >> 22 ) & 0xF8; endPoint |= ( ( block.w << 1 ) & 0x04 ) | ( endPoint >> 6 ); } } void extract_and_decode_endpoints_20( out uint4 endPoint, uint mode, uint4 block ) { if ( mode == 0 ) { endPoint.r = ( block.x >> 17 ) & 0xF0; endPoint.g = ( block.y >> 9 ) & 0xF0; endPoint.b = ( block.z >> 1 ) & 0xF0; endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 14 ) & 0x08 ) | ( endPoint.rgb >> 5 ); } else if ( mode == 1 ) { endPoint = 0; } else if ( mode == 2 ) { endPoint.r = ( ( block.x >> 26 ) & 0xF8 ) | ( ( block.y << 6 ) & 0xF8 ); endPoint.g = ( block.y >> 24 ) & 0xF8; endPoint.b = ( block.z >> 22 ) & 0xF8; endPoint.a = 255; endPoint |= endPoint >> 5; } else if ( mode == 3 ) { endPoint = 0; } else if ( mode == 4 ) { endPoint = 0; } else if ( mode == 5 ) { endPoint = 0; } else if ( mode == 6 ) { endPoint = 0; } else if ( mode == 7 ) { endPoint = 0; } } void extract_and_decode_endpoints_21( out uint4 endPoint, uint mode, uint4 block ) { if ( mode == 0 ) { endPoint.r = ( block.x >> 21 ) & 0xF0; endPoint.g = ( block.y >> 13 ) & 0xF0; endPoint.b = ( block.z >> 5 ) & 0xF0; endPoint.a = 255; endPoint.rgb |= ( ( block.z >> 15 ) & 0x08 ) | ( endPoint.rgb >> 5 ); } else if ( mode == 1 ) { endPoint = 0; } else if ( mode == 2 ) { endPoint.r = ( block.y << 1 ) & 0xF8; endPoint.g = ( block.z << 3 ) & 0xF8; endPoint.b = ( ( block.z >> 27 ) & 0xF8 ) | ( ( block.w << 5 ) & 0xF8 ); endPoint.a = 255; endPoint |= endPoint >> 5; } else if ( mode == 3 ) { endPoint = 0; } else if ( mode == 4 ) { endPoint = 0; } else if ( mode == 5 ) { endPoint = 0; } else if ( mode == 6 ) { endPoint = 0; } else if ( mode == 7 ) { endPoint = 0; } } void extract_and_decode_endpoints( out uint2x4 endPoint[3], uint mode, uint4 block ) { if ( mode == 0 ) { endPoint[0][0].r = ( block.x >> 1 ) & 0xF0; endPoint[0][0].g = ( ( block.x >> 25 ) & 0xF0 ) | ( ( block.y << 7 ) & 0xF0 ); endPoint[0][0].b = ( block.y >> 17 ) & 0xF0; endPoint[0][0].a = 255; endPoint[0][1].r = ( block.x >> 5 ) & 0xF0; endPoint[0][1].g = ( block.y << 3 ) & 0xF0; endPoint[0][1].b = ( block.y >> 21 ) & 0xF0; endPoint[0][1].a = 255; endPoint[1][0].r = ( block.x >> 9 ) & 0xF0; endPoint[1][0].g = ( block.y >> 1 ) & 0xF0; endPoint[1][0].b = ( ( block.y >> 25 ) & 0xF0 ) | ( ( block.z << 7 ) & 0xF0 ); endPoint[1][0].a = 255; endPoint[1][1].r = ( block.x >> 13 ) & 0xF0; endPoint[1][1].g = ( block.y >> 5 ) & 0xF0; endPoint[1][1].b = ( block.z << 3 ) & 0xF0; endPoint[1][1].a = 255; endPoint[2][0].r = ( block.x >> 17 ) & 0xF0; endPoint[2][0].g = ( block.y >> 9 ) & 0xF0; endPoint[2][0].b = ( block.z >> 1 ) & 0xF0; endPoint[2][0].a = 255; endPoint[2][1].r = ( block.x >> 21 ) & 0xF0; endPoint[2][1].g = ( block.y >> 13 ) & 0xF0; endPoint[2][1].b = ( block.z >> 5 ) & 0xF0; endPoint[2][1].a = 255; endPoint[0][0].rgb |= ( ( block.z >> 10 ) & 0x08 ) | ( endPoint[0][0].rgb >> 5 ); endPoint[0][1].rgb |= ( ( block.z >> 11 ) & 0x08 ) | ( endPoint[0][1].rgb >> 5 ); endPoint[1][0].rgb |= ( ( block.z >> 12 ) & 0x08 ) | ( endPoint[1][0].rgb >> 5 ); endPoint[1][1].rgb |= ( ( block.z >> 13 ) & 0x08 ) | ( endPoint[1][1].rgb >> 5 ); endPoint[2][0].rgb |= ( ( block.z >> 14 ) & 0x08 ) | ( endPoint[2][0].rgb >> 5 ); endPoint[2][1].rgb |= ( ( block.z >> 15 ) & 0x08 ) | ( endPoint[2][1].rgb >> 5 ); } else if ( mode == 1 ) { endPoint[0][0].r = ( block.x >> 6 ) & 0xFC; endPoint[0][0].g = ( block.y << 2 ) & 0xFC; endPoint[0][0].b = ( block.y >> 22 ) & 0xFC; endPoint[0][0].a = 255; endPoint[0][1].r = ( block.x >> 12 ) & 0xFC; endPoint[0][1].g = ( block.y >> 4 ) & 0xFC; endPoint[0][1].b = ( ( block.y >> 28 ) & 0xFC ) | ( ( block.z << 4 ) & 0xFC ); endPoint[0][1].a = 255; endPoint[1][0].r = ( block.x >> 18 ) & 0xFC; endPoint[1][0].g = ( block.y >> 10 ) & 0xFC; endPoint[1][0].b = ( block.z >> 2 ) & 0xFC; endPoint[1][0].a = 255; endPoint[1][1].r = ( block.x >> 24 ) & 0xFC; endPoint[1][1].g = ( block.y >> 16 ) & 0xFC; endPoint[1][1].b = ( block.z >> 8 ) & 0xFC; endPoint[1][1].a = 255; endPoint[0][0].rgb |= ( ( block.z >> 15 ) & 0x02 ) | ( endPoint[0][0].rgb >> 7 ); endPoint[0][1].rgb |= ( ( block.z >> 15 ) & 0x02 ) | ( endPoint[0][1].rgb >> 7 ); endPoint[1][0].rgb |= ( ( block.z >> 16 ) & 0x02 ) | ( endPoint[1][0].rgb >> 7 ); endPoint[1][1].rgb |= ( ( block.z >> 16 ) & 0x02 ) | ( endPoint[1][1].rgb >> 7 ); endPoint[2] = 0; } else if ( mode == 2 ) { endPoint[0][0].r = ( block.x >> 6 ) & 0xF8; endPoint[0][0].g = ( block.y >> 4 ) & 0xF8; endPoint[0][0].b = ( block.z >> 2 ) & 0xF8; endPoint[0][0].a = 255; endPoint[0][1].r = ( block.x >> 11 ) & 0xF8; endPoint[0][1].g = ( block.y >> 9 ) & 0xF8; endPoint[0][1].b = ( block.z >> 7 ) & 0xF8; endPoint[0][1].a = 255; endPoint[1][0].r = ( block.x >> 16 ) & 0xF8; endPoint[1][0].g = ( block.y >> 14 ) & 0xF8; endPoint[1][0].b = ( block.z >> 12 ) & 0xF8; endPoint[1][0].a = 255; endPoint[1][1].r = ( block.x >> 21 ) & 0xF8; endPoint[1][1].g = ( block.y >> 19 ) & 0xF8; endPoint[1][1].b = ( block.z >> 17 ) & 0xF8; endPoint[1][1].a = 255; endPoint[2][0].r = ( ( block.x >> 26 ) & 0xF8 ) | ( ( block.y << 6 ) & 0xF8 ); endPoint[2][0].g = ( block.y >> 24 ) & 0xF8; endPoint[2][0].b = ( block.z >> 22 ) & 0xF8; endPoint[2][0].a = 255; endPoint[2][1].r = ( block.y << 1 ) & 0xF8; endPoint[2][1].g = ( block.z << 3 ) & 0xF8; endPoint[2][1].b = ( ( block.z >> 27 ) & 0xF8 ) | ( ( block.w << 5 ) & 0xF8 ); endPoint[2][1].a = 255; endPoint[0] |= endPoint[0] >> 5; endPoint[1] |= endPoint[1] >> 5; endPoint[2] |= endPoint[2] >> 5; } else if ( mode == 3 ) { endPoint[0][0].r = ( block.x >> 9 ) & 0xFE; endPoint[0][0].g = ( block.y >> 5 ) & 0xFE; endPoint[0][0].b = ( block.z >> 1 ) & 0xFE; endPoint[0][0].a = 255; endPoint[0][1].r = ( block.x >> 16 ) & 0xFE; endPoint[0][1].g = ( block.y >> 12 ) & 0xFE; endPoint[0][1].b = ( block.z >> 8 ) & 0xFE; endPoint[0][1].a = 255; endPoint[1][0].r = ( block.x >> 23 ) & 0xFE; endPoint[1][0].g = ( block.y >> 19 ) & 0xFE; endPoint[1][0].b = ( block.z >> 15 ) & 0xFE; endPoint[1][0].a = 255; endPoint[1][1].r = ( ( block.x >> 30 ) & 0xFE ) | ( ( block.y << 2 ) & 0xFE ); endPoint[1][1].g = ( ( block.y >> 26 ) & 0xFE ) | ( ( block.z << 6 ) & 0xFE ); endPoint[1][1].b = ( block.z >> 22 ) & 0xFE; endPoint[1][1].a = 255; endPoint[0][0].rgb |= ( block.z >> 30 ) & 0x01; endPoint[0][1].rgb |= ( block.z >> 31 ) & 0x01; endPoint[1][0].rgb |= ( block.w >> 0 ) & 0x01; endPoint[1][1].rgb |= ( block.w >> 1 ) & 0x01; endPoint[2] = 0; } else if ( mode == 4 ) { endPoint[0][0].r = ( block.x >> 5 ) & 0xF8; endPoint[0][0].g = ( block.x >> 15 ) & 0xF8; endPoint[0][0].b = ( ( block.x >> 25 ) & 0xF8 ) | ( ( block.y << 7 ) & 0xF8 ); endPoint[0][0].a = ( block.y >> 4 ) & 0xFC; endPoint[0][1].r = ( block.x >> 10 ) & 0xF8; endPoint[0][1].g = ( block.x >> 20 ) & 0xF8; endPoint[0][1].b = ( block.y << 2 ) & 0xF8; endPoint[0][1].a = ( block.y >> 10 ) & 0xFC; endPoint[0][0].rgb |= endPoint[0][0].rgb >> 5; endPoint[0][0].a |= endPoint[0][0].a >> 6; endPoint[0][1].rgb |= endPoint[0][1].rgb >> 5; endPoint[0][1].a |= endPoint[0][1].a >> 6; endPoint[1] = 0; endPoint[2] = 0; } else if ( mode == 5 ) { endPoint[0][0].r = ( block.x >> 7 ) & 0xFE; endPoint[0][0].g = ( block.x >> 21 ) & 0xFE; endPoint[0][0].b = ( block.y >> 3 ) & 0xFE; endPoint[0][0].a = ( block.y >> 18 ) & 0xFF; endPoint[0][1].r = ( block.x >> 14 ) & 0xFE; endPoint[0][1].g = ( ( block.x >> 28 ) & 0xFE ) | ( ( block.y << 4 ) & 0xFE ); endPoint[0][1].b = ( block.y >> 10 ) & 0xFE; endPoint[0][1].a = ( ( block.y >> 26 ) & 0xFF ) | ( ( block.z << 6 ) & 0xFF ); endPoint[0][0].rgb |= endPoint[0][0].rgb >> 7; endPoint[0][1].rgb |= endPoint[0][1].rgb >> 7; endPoint[1] = 0; endPoint[2] = 0; } else if ( mode == 6 ) { endPoint[0][0].r = ( block.x >> 6 ) & 0xFE; endPoint[0][0].g = ( block.x >> 20 ) & 0xFE; endPoint[0][0].b = ( block.y >> 2 ) & 0xFE; endPoint[0][0].a = ( block.y >> 16 ) & 0xFE; endPoint[0][1].r = ( block.x >> 13 ) & 0xFE; endPoint[0][1].g = ( ( block.x >> 27 ) & 0xFE ) | ( ( block.y << 5 ) & 0xFE ); endPoint[0][1].b = ( block.y >> 9 ) & 0xFE; endPoint[0][1].a = ( block.y >> 23 ) & 0xFE; endPoint[0][0] |= ( block.y >> 31 ) & 0x01; endPoint[0][1] |= ( block.z >> 0 ) & 0x01; endPoint[1] = 0; endPoint[2] = 0; } else if ( mode == 7 ) { endPoint[0][0].r = ( block.x >> 11 ) & 0xF8; endPoint[0][0].g = ( block.y << 1 ) & 0xF8; endPoint[0][0].b = ( block.y >> 19 ) & 0xF8; endPoint[0][0].a = ( block.z >> 7 ) & 0xF8; endPoint[0][1].r = ( block.x >> 16 ) & 0xF8; endPoint[0][1].g = ( block.y >> 4 ) & 0xF8; endPoint[0][1].b = ( block.y >> 24 ) & 0xF8; endPoint[0][1].a = ( block.z >> 12 ) & 0xF8; endPoint[1][0].r = ( block.x >> 21 ) & 0xF8; endPoint[1][0].g = ( block.y >> 9 ) & 0xF8; endPoint[1][0].b = ( block.z << 3 ) & 0xF8; endPoint[1][0].a = ( block.z >> 17 ) & 0xF8; endPoint[1][1].r = ( ( block.x >> 26 ) & 0xF8 ) | ( ( block.y << 6 ) & 0xF8 ); endPoint[1][1].g = ( block.y >> 14 ) & 0xF8; endPoint[1][1].b = ( block.z >> 2 ) & 0xF8; endPoint[1][1].a = ( block.z >> 22 ) & 0xF8; endPoint[0][0] |= ( ( block.z >> 28 ) & 0x04 ) | ( endPoint[0][0] >> 6 ); endPoint[0][1] |= ( ( block.z >> 29 ) & 0x04 ) | ( endPoint[0][1] >> 6 ); endPoint[1][0] |= ( ( block.w << 2 ) & 0x04 ) | ( endPoint[1][0] >> 6 ); endPoint[1][1] |= ( ( block.w << 1 ) & 0x04 ) | ( endPoint[1][1] >> 6 ); endPoint[2] = 0; } } void get_index( out uint alpha_index, out uint color_index, out uint subset_index, uint x, uint y, uint mode, uint partition, uint4 block ) { uint i = y * 4 + x; if ( mode == 0 ) //64 <= partition < 64 + 16 { if ( i == 0 ) color_index = ( block.z >> 19 ) & 0x03; else if ( i < candidateFixUpIndex1DOrdered[partition][0] ) { if ( i < 4 ) color_index = ( block.z >> ( i * 3 + 18 ) ) & 0x07; else if ( i == 4 ) color_index = ( ( block.z >> ( i * 3 + 18 ) ) & 0x03 ) | ( ( block.w << 2 ) & 0x04 ); else color_index = ( block.w >> ( i * 3 - 14 ) ) & 0x07; } else if ( i == candidateFixUpIndex1DOrdered[partition][0] ) { if ( i <= 4 ) color_index = ( block.z >> ( i * 3 + 18 ) ) & 0x03; else color_index = ( block.w >> ( i * 3 - 14 ) ) & 0x03; } else if ( i < candidateFixUpIndex1DOrdered[partition][1] ) { if ( i <= 4 ) color_index = ( block.z >> ( i * 3 + 17 ) ) & 0x07; else color_index = ( block.w >> ( i * 3 - 15 ) ) & 0x07; } else if ( i == candidateFixUpIndex1DOrdered[partition][1] ) //i >= 8 color_index = ( block.w >> ( i * 3 - 15 ) ) & 0x03; else //i >= 9 color_index = ( block.w >> ( i * 3 - 16 ) ) & 0x07; alpha_index = 0; //Not used subset_index = ( candidateSectionCompressed[partition] >> ( 30 - i * 2 ) ) & 0x03; } else if ( mode == 1 ) { if ( i == 0 ) color_index = ( block.z >> 18 ) & 0x03; else if ( i < candidateFixUpIndex1DOrdered[partition][0] ) { if ( i < 5 ) color_index = ( block.z >> ( i * 3 + 17 ) ) & 0x07; else color_index = ( block.w >> ( i * 3 - 15 ) ) & 0x07; } else if ( i == candidateFixUpIndex1DOrdered[partition][0] ) //i can't be 5 { if ( i < 5 ) color_index = ( block.z >> ( i * 3 + 17 ) ) & 0x03; else color_index = ( block.w >> ( i * 3 - 15 ) ) & 0x03; } else { if ( i < 5 ) color_index = ( block.z >> ( i * 3 + 16 ) ) & 0x07; else if ( i == 5 ) color_index = ( ( block.z >> ( i * 3 + 16 ) ) & 0x01 ) | ( ( block.w << 1 ) & 0x06 ); else color_index = ( block.w >> ( i * 3 - 16 ) ) & 0x07; } alpha_index = 0; //Not used subset_index = ( candidateSectionCompressed[partition] >> ( 30 - i * 2 ) ) & 0x03; } else if ( mode == 2 ) { if ( i == 0 ) color_index = ( block.w >> 3 ) & 0x01; else if ( i < candidateFixUpIndex1DOrdered[partition][0] ) color_index = ( block.w >> ( i * 2 + 2 ) ) & 0x03; else if ( i == candidateFixUpIndex1DOrdered[partition][0] ) color_index = ( block.w >> ( i * 2 + 2 ) ) & 0x01; else if ( i < candidateFixUpIndex1DOrdered[partition][1] ) color_index = ( block.w >> ( i * 2 + 1 ) ) & 0x03; else if ( i == candidateFixUpIndex1DOrdered[partition][1] ) color_index = ( block.w >> ( i * 2 + 1 ) ) & 0x01; else color_index = ( block.w >> ( i * 2 ) ) & 0x03; alpha_index = 0; //Not used subset_index = ( candidateSectionCompressed[partition] >> ( 30 - i * 2 ) ) & 0x03; } else if ( mode == 3 ) { if ( i == 0 ) color_index = ( block.w >> 2 ) & 0x01; else if ( i < candidateFixUpIndex1DOrdered[partition][0] ) color_index = ( block.w >> ( i * 2 + 1 ) ) & 0x03; else if ( i == candidateFixUpIndex1DOrdered[partition][0] ) color_index = ( block.w >> ( i * 2 + 1 ) ) & 0x01; else color_index = ( block.w >> ( i * 2 ) ) & 0x03; alpha_index = 0; //Not used subset_index = ( candidateSectionCompressed[partition] >> ( 30 - i * 2 ) ) & 0x03; } else if ( mode == 4 ) { if ( i == 0 ) color_index = ( block.y >> 18 ) & 0x01; else if ( i < 7 ) color_index = ( block.y >> ( i * 2 + 17 ) ) & 0x03; else if ( i == 7 ) color_index = ( ( block.y >> ( i * 2 + 17 ) ) & 0x01 ) | ( ( block.z << 1 ) & 0x02 ); else color_index = ( block.z >> ( i * 2 - 15 ) ) & 0x03; if ( i == 0 ) alpha_index = ( block.z >> 17 ) & 0x03; else if ( i < 5 ) alpha_index = ( block.z >> ( i * 3 + 16 ) ) & 0x07; else if ( i == 5 ) alpha_index = ( ( block.z >> ( i * 3 + 16 ) ) & 0x01 ) | ( ( block.w << 1 ) & 0x06 ); else alpha_index = ( block.w >> ( i * 3 - 16 ) ) & 0x07; if ( block.x & 0x80 ) { uint tmp = color_index; color_index = alpha_index; alpha_index = tmp; } subset_index = 0; //Not used } else if ( mode == 5 ) { if ( i == 0 ) color_index = ( block.z >> 2 ) & 0x01; else if ( i < 15 ) color_index = ( block.z >> ( i * 2 + 1 ) ) & 0x03; else color_index = ( ( block.z >> 31 ) & 0x01 ) | ( ( block.w << 1 ) & 0x02 ); if ( i == 0 ) alpha_index = ( block.w >> 1 ) & 0x01; else alpha_index = ( block.w >> ( i * 2 ) ) & 0x03; subset_index = 0; //Not used } else if ( mode == 6 ) { if ( i == 0 ) color_index = ( block.z >> 1 ) & 0x07; else if ( i < 8 ) color_index = ( block.z >> ( i * 4 ) ) & 0x0F; else color_index = ( block.w >> ( i * 4 - 32 ) ) & 0x0F; alpha_index = color_index; subset_index = 0; //Not used } else // mode == 7 { if ( i == 0 ) color_index = ( block.w >> 2 ) & 0x01; else if ( i < candidateFixUpIndex1DOrdered[partition][0] ) color_index = ( block.w >> ( i * 2 + 1 ) ) & 0x03; else if ( i == candidateFixUpIndex1DOrdered[partition][0] ) color_index = ( block.w >> ( i * 2 + 1 ) ) & 0x01; else color_index = ( block.w >> ( i * 2 ) ) & 0x03; alpha_index = color_index; subset_index = ( candidateSectionCompressed[partition] >> ( 30 - i * 2 ) ) & 0x03; } } static const uint aWeight2[4] = {0, 21, 43, 64}; static const uint aWeight3[8] = {0, 9, 18, 27, 37, 46, 55, 64}; static const uint aWeight4[16] = {0, 4, 9, 13, 17, 21, 26, 30, 34, 38, 43, 47, 51, 55, 60, 64}; uint3 interpolate_color( uint color_index, uint index_prec, uint2x4 endPoint ) { if ( index_prec == 2 ) return ( ( 64 - aWeight2[color_index] ) * endPoint[0].rgb + aWeight2[color_index] * endPoint[1].rgb + 32 ) >> 6; if ( index_prec == 3 ) return ( ( 64 - aWeight3[color_index] ) * endPoint[0].rgb + aWeight3[color_index] * endPoint[1].rgb + 32 ) >> 6; return ( ( 64 - aWeight4[color_index] ) * endPoint[0].rgb + aWeight4[color_index] * endPoint[1].rgb + 32 ) >> 6; } uint interpolate_alpha( uint alpha_index, uint index_prec, uint2x4 endPoint ) { if ( index_prec == 2 ) return ( ( 64 - aWeight2[alpha_index] ) * endPoint[0].a + aWeight2[alpha_index] * endPoint[1].a + 32 ) >> 6; if ( index_prec == 3 ) return ( ( 64 - aWeight3[alpha_index] ) * endPoint[0].a + aWeight3[alpha_index] * endPoint[1].a + 32 ) >> 6; return ( ( 64 - aWeight4[alpha_index] ) * endPoint[0].a + aWeight4[alpha_index] * endPoint[1].a + 32 ) >> 6; }