const, pack result_vector and replicate tables,
undo amd opts
This commit is contained in:
Ameer J
parent
998246efc2
commit
5248fa926d
@ -57,20 +57,40 @@ const uint GOB_SIZE_SHIFT = GOB_SIZE_X_SHIFT + GOB_SIZE_Y_SHIFT;
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const uint BYTES_PER_BLOCK_LOG2 = 4;
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const int JUST_BITS = 0;
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const int QUINT = 1;
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const int TRIT = 2;
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const uint JUST_BITS = 0u;
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const uint QUINT = 1u;
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const uint TRIT = 2u;
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// ASTC Encodings data, sorted in ascending order based on their BitLength value
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// (see GetBitLength() function)
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const EncodingData encoding_values[22] = EncodingData[](
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EncodingData(JUST_BITS), EncodingData(JUST_BITS | (1u << 8u)), EncodingData(TRIT), EncodingData(JUST_BITS | (2u << 8u)),
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EncodingData(QUINT), EncodingData(TRIT | (1u << 8u)), EncodingData(JUST_BITS | (3u << 8u)), EncodingData(QUINT | (1u << 8u)),
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EncodingData(TRIT | (2u << 8u)), EncodingData(JUST_BITS | (4u << 8u)), EncodingData(QUINT | (2u << 8u)), EncodingData(TRIT | (3u << 8u)),
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EncodingData(JUST_BITS | (5u << 8u)), EncodingData(QUINT | (3u << 8u)), EncodingData(TRIT | (4u << 8u)), EncodingData(JUST_BITS | (6u << 8u)),
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EncodingData(QUINT | (4u << 8u)), EncodingData(TRIT | (5u << 8u)), EncodingData(JUST_BITS | (7u << 8u)), EncodingData(QUINT | (5u << 8u)),
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EncodingData(TRIT | (6u << 8u)), EncodingData(JUST_BITS | (8u << 8u))
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);
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const uvec4 encoding_values[6] = uvec4[](
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uvec4((JUST_BITS), (JUST_BITS | (1u << 8u)), (TRIT), (JUST_BITS | (2u << 8u))),
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uvec4((QUINT), (TRIT | (1u << 8u)), (JUST_BITS | (3u << 8u)), (QUINT | (1u << 8u))),
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uvec4((TRIT | (2u << 8u)), (JUST_BITS | (4u << 8u)), (QUINT | (2u << 8u)), (TRIT | (3u << 8u))),
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uvec4((JUST_BITS | (5u << 8u)), (QUINT | (3u << 8u)), (TRIT | (4u << 8u)), (JUST_BITS | (6u << 8u))),
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uvec4((QUINT | (4u << 8u)), (TRIT | (5u << 8u)), (JUST_BITS | (7u << 8u)), (QUINT | (5u << 8u))),
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uvec4((TRIT | (6u << 8u)), (JUST_BITS | (8u << 8u)), 0u, 0u));
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// Input ASTC texture globals
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int total_bitsread = 0;
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uvec4 local_buff;
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// Color data globals
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uvec4 color_endpoint_data;
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int color_bitsread = 0;
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// Global "vector" to be pushed into when decoding
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// At most will require BLOCK_WIDTH x BLOCK_HEIGHT in single plane mode
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// At most will require BLOCK_WIDTH x BLOCK_HEIGHT x 2 in dual plane mode
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// So the maximum would be 144 (12 x 12) elements, x 2 for two planes
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#define DIVCEIL(number, divisor) (number + divisor - 1) / divisor
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#define ARRAY_NUM_ELEMENTS 144
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#define VECTOR_ARRAY_SIZE DIVCEIL(ARRAY_NUM_ELEMENTS * 2, 4)
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uvec4 result_vector[VECTOR_ARRAY_SIZE];
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int result_index = 0;
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uint result_vector_max_index;
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bool result_limit_reached = false;
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// EncodingData helpers
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uint Encoding(EncodingData val) {
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@ -104,78 +124,17 @@ EncodingData CreateEncodingData(uint encoding, uint num_bits, uint bit_val, uint
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((bit_val) << 16u) | ((quint_trit_val) << 24u));
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}
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// The following constants are expanded variants of the Replicate()
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// function calls corresponding to the following arguments:
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// value: index into the generated table
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// num_bits: the after "REPLICATE" in the table name. i.e. 4 is num_bits in REPLICATE_4.
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// to_bit: the integer after "TO_"
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const uint REPLICATE_BIT_TO_7_TABLE[2] = uint[](0, 127);
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const uint REPLICATE_1_BIT_TO_9_TABLE[2] = uint[](0, 511);
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const uint REPLICATE_1_BIT_TO_8_TABLE[2] = uint[](0, 255);
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const uint REPLICATE_2_BIT_TO_8_TABLE[4] = uint[](0, 85, 170, 255);
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const uint REPLICATE_3_BIT_TO_8_TABLE[8] = uint[](0, 36, 73, 109, 146, 182, 219, 255);
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const uint REPLICATE_4_BIT_TO_8_TABLE[16] =
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uint[](0, 17, 34, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204, 221, 238, 255);
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const uint REPLICATE_5_BIT_TO_8_TABLE[32] =
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uint[](0, 8, 16, 24, 33, 41, 49, 57, 66, 74, 82, 90, 99, 107, 115, 123, 132, 140, 148, 156, 165,
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173, 181, 189, 198, 206, 214, 222, 231, 239, 247, 255);
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const uint REPLICATE_1_BIT_TO_6_TABLE[2] = uint[](0, 63);
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const uint REPLICATE_2_BIT_TO_6_TABLE[4] = uint[](0, 21, 42, 63);
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const uint REPLICATE_3_BIT_TO_6_TABLE[8] = uint[](0, 9, 18, 27, 36, 45, 54, 63);
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const uint REPLICATE_4_BIT_TO_6_TABLE[16] =
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uint[](0, 4, 8, 12, 17, 21, 25, 29, 34, 38, 42, 46, 51, 55, 59, 63);
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const uint REPLICATE_5_BIT_TO_6_TABLE[32] =
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uint[](0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 33, 35, 37, 39, 41, 43, 45,
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47, 49, 51, 53, 55, 57, 59, 61, 63);
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const uint REPLICATE_6_BIT_TO_8_TABLE[64] =
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uint[](0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 65, 69, 73, 77, 81, 85, 89,
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93, 97, 101, 105, 109, 113, 117, 121, 125, 130, 134, 138, 142, 146, 150, 154, 158, 162,
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166, 170, 174, 178, 182, 186, 190, 195, 199, 203, 207, 211, 215, 219, 223, 227, 231, 235,
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239, 243, 247, 251, 255);
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const uint REPLICATE_7_BIT_TO_8_TABLE[128] =
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uint[](0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44,
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46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88,
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90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126,
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129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 153, 155, 157, 159, 161, 163,
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165, 167, 169, 171, 173, 175, 177, 179, 181, 183, 185, 187, 189, 191, 193, 195, 197, 199,
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201, 203, 205, 207, 209, 211, 213, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233, 235,
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237, 239, 241, 243, 245, 247, 249, 251, 253, 255);
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// Input ASTC texture globals
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int total_bitsread = 0;
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uvec4 local_buff;
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// Color data globals
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uvec4 color_endpoint_data;
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int color_bitsread = 0;
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// Four values, two endpoints, four maximum partitions
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uint color_values[32];
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int colvals_index = 0;
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// Global "vectors" to be pushed into when decoding
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EncodingData result_vector[144];
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int result_index = 0;
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// Replicates low num_bits such that [(to_bit - 1):(to_bit - 1 - from_bit)]
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// is the same as [(num_bits - 1):0] and repeats all the way down.
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uint Replicate(uint val, uint num_bits, uint to_bit) {
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const uint v = val & uint((1 << num_bits) - 1);
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uint res = v;
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uint reslen = num_bits;
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while (reslen < to_bit) {
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uint comp = 0;
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if (num_bits > to_bit - reslen) {
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uint newshift = to_bit - reslen;
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comp = num_bits - newshift;
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num_bits = newshift;
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}
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res = uint(res << num_bits);
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res = uint(res | (v >> comp));
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reslen += num_bits;
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void ResultEmplaceBack(EncodingData val) {
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if (result_index >= result_vector_max_index) {
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// Alert callers to avoid decoding more than needed by this phase
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result_limit_reached = true;
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return;
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}
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return res;
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const uint array_index = result_index / 4;
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const uint vector_index = result_index % 4;
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result_vector[array_index][vector_index] = val.data;
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++result_index;
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}
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uvec4 ReplicateByteTo16(uvec4 value) {
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@ -183,64 +142,105 @@ uvec4 ReplicateByteTo16(uvec4 value) {
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}
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uint ReplicateBitTo7(uint value) {
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return REPLICATE_BIT_TO_7_TABLE[value];
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return value * 127;
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}
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uint ReplicateBitTo9(uint value) {
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return REPLICATE_1_BIT_TO_9_TABLE[value];
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}
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uint FastReplicate(uint value, uint num_bits, uint to_bit) {
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if (num_bits == 0) {
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return 0;
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}
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if (num_bits == to_bit) {
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return value;
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}
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if (to_bit == 6) {
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switch (num_bits) {
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case 1:
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return REPLICATE_1_BIT_TO_6_TABLE[value];
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case 2:
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return REPLICATE_2_BIT_TO_6_TABLE[value];
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case 3:
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return REPLICATE_3_BIT_TO_6_TABLE[value];
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case 4:
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return REPLICATE_4_BIT_TO_6_TABLE[value];
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case 5:
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return REPLICATE_5_BIT_TO_6_TABLE[value];
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default:
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break;
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}
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} else { /* if (to_bit == 8) */
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switch (num_bits) {
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case 1:
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return REPLICATE_1_BIT_TO_8_TABLE[value];
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case 2:
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return REPLICATE_2_BIT_TO_8_TABLE[value];
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case 3:
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return REPLICATE_3_BIT_TO_8_TABLE[value];
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case 4:
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return REPLICATE_4_BIT_TO_8_TABLE[value];
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case 5:
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return REPLICATE_5_BIT_TO_8_TABLE[value];
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case 6:
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return REPLICATE_6_BIT_TO_8_TABLE[value];
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case 7:
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return REPLICATE_7_BIT_TO_8_TABLE[value];
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default:
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break;
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}
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}
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return Replicate(value, num_bits, to_bit);
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return value * 511;
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}
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uint FastReplicateTo8(uint value, uint num_bits) {
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return FastReplicate(value, num_bits, 8);
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if (value == 0) {
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return 0;
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}
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const uint array_index = value / 4;
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const uint vector_index = value % 4;
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switch (num_bits) {
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case 1:
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return 255;
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case 2: {
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const uvec4 REPLICATE_2_BIT_TO_8_TABLE = (uvec4(0, 85, 170, 255));
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return REPLICATE_2_BIT_TO_8_TABLE[vector_index];
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}
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case 3: {
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const uvec4 REPLICATE_3_BIT_TO_8_TABLE[2] =
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uvec4[](uvec4(0, 36, 73, 109), uvec4(146, 182, 219, 255));
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return REPLICATE_3_BIT_TO_8_TABLE[array_index][vector_index];
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}
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case 4: {
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const uvec4 REPLICATE_4_BIT_TO_8_TABLE[4] =
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uvec4[](uvec4(0, 17, 34, 51), uvec4(68, 85, 102, 119), uvec4(136, 153, 170, 187),
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uvec4(204, 221, 238, 255));
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return REPLICATE_4_BIT_TO_8_TABLE[array_index][vector_index];
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}
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case 5: {
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const uvec4 REPLICATE_5_BIT_TO_8_TABLE[8] =
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uvec4[](uvec4(0, 8, 16, 24), uvec4(33, 41, 49, 57), uvec4(66, 74, 82, 90),
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uvec4(99, 107, 115, 123), uvec4(132, 140, 148, 156), uvec4(165, 173, 181, 189),
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uvec4(198, 206, 214, 222), uvec4(231, 239, 247, 255));
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return REPLICATE_5_BIT_TO_8_TABLE[array_index][vector_index];
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}
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case 6: {
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const uvec4 REPLICATE_6_BIT_TO_8_TABLE[16] = uvec4[](
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uvec4(0, 4, 8, 12), uvec4(16, 20, 24, 28), uvec4(32, 36, 40, 44), uvec4(48, 52, 56, 60),
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uvec4(65, 69, 73, 77), uvec4(81, 85, 89, 93), uvec4(97, 101, 105, 109),
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uvec4(113, 117, 121, 125), uvec4(130, 134, 138, 142), uvec4(146, 150, 154, 158),
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uvec4(162, 166, 170, 174), uvec4(178, 182, 186, 190), uvec4(195, 199, 203, 207),
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uvec4(211, 215, 219, 223), uvec4(227, 231, 235, 239), uvec4(243, 247, 251, 255));
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return REPLICATE_6_BIT_TO_8_TABLE[array_index][vector_index];
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}
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case 7: {
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const uvec4 REPLICATE_7_BIT_TO_8_TABLE[32] =
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uvec4[](uvec4(0, 2, 4, 6), uvec4(8, 10, 12, 14), uvec4(16, 18, 20, 22),
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uvec4(24, 26, 28, 30), uvec4(32, 34, 36, 38), uvec4(40, 42, 44, 46),
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uvec4(48, 50, 52, 54), uvec4(56, 58, 60, 62), uvec4(64, 66, 68, 70),
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uvec4(72, 74, 76, 78), uvec4(80, 82, 84, 86), uvec4(88, 90, 92, 94),
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uvec4(96, 98, 100, 102), uvec4(104, 106, 108, 110), uvec4(112, 114, 116, 118),
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uvec4(120, 122, 124, 126), uvec4(129, 131, 133, 135), uvec4(137, 139, 141, 143),
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uvec4(145, 147, 149, 151), uvec4(153, 155, 157, 159), uvec4(161, 163, 165, 167),
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uvec4(169, 171, 173, 175), uvec4(177, 179, 181, 183), uvec4(185, 187, 189, 191),
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uvec4(193, 195, 197, 199), uvec4(201, 203, 205, 207), uvec4(209, 211, 213, 215),
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uvec4(217, 219, 221, 223), uvec4(225, 227, 229, 231), uvec4(233, 235, 237, 239),
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uvec4(241, 243, 245, 247), uvec4(249, 251, 253, 255));
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return REPLICATE_7_BIT_TO_8_TABLE[array_index][vector_index];
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}
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}
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return value;
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}
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uint FastReplicateTo6(uint value, uint num_bits) {
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return FastReplicate(value, num_bits, 6);
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if (value == 0) {
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return 0;
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}
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const uint array_index = value / 4;
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const uint vector_index = value % 4;
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switch (num_bits) {
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case 1:
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return 63;
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case 2: {
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const uvec4 REPLICATE_2_BIT_TO_6_TABLE = uvec4(0, 21, 42, 63);
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return REPLICATE_2_BIT_TO_6_TABLE[vector_index];
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}
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case 3: {
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const uvec4 REPLICATE_3_BIT_TO_6_TABLE[2] =
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uvec4[](uvec4(0, 9, 18, 27), uvec4(36, 45, 54, 63));
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return REPLICATE_3_BIT_TO_6_TABLE[array_index][vector_index];
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}
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case 4: {
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const uvec4 REPLICATE_4_BIT_TO_6_TABLE[4] =
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uvec4[](uvec4(0, 4, 8, 12), uvec4(17, 21, 25, 29), uvec4(34, 38, 42, 46),
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uvec4(51, 55, 59, 63));
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return REPLICATE_4_BIT_TO_6_TABLE[array_index][vector_index];
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}
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case 5: {
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const uvec4 REPLICATE_5_BIT_TO_6_TABLE[8] =
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uvec4[](uvec4(0, 2, 4, 6), uvec4(8, 10, 12, 14), uvec4(16, 18, 20, 22),
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uvec4(24, 26, 28, 30), uvec4(33, 35, 37, 39), uvec4(41, 43, 45, 47),
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uvec4(49, 51, 53, 55), uvec4(57, 59, 61, 63));
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return REPLICATE_5_BIT_TO_6_TABLE[array_index][vector_index];
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}
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}
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return value;
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}
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uint Div3Floor(uint v) {
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@ -281,7 +281,7 @@ uint Select2DPartition(uint seed, uint x, uint y, uint partition_count, bool sma
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seed += (partition_count - 1) * 1024;
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uint rnum = Hash52(uint(seed));
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const uint rnum = Hash52(uint(seed));
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uint seed1 = uint(rnum & 0xF);
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uint seed2 = uint((rnum >> 4) & 0xF);
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uint seed3 = uint((rnum >> 8) & 0xF);
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@ -364,8 +364,8 @@ uint ExtractBits(uvec4 payload, int offset, int bits) {
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}
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uint StreamBits(uint num_bits) {
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int int_bits = int(num_bits);
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uint ret = ExtractBits(local_buff, total_bitsread, int_bits);
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const int int_bits = int(num_bits);
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const uint ret = ExtractBits(local_buff, total_bitsread, int_bits);
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total_bitsread += int_bits;
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return ret;
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}
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@ -382,14 +382,18 @@ uint StreamColorBits(uint num_bits) {
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return ret;
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}
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void ResultEmplaceBack(EncodingData val) {
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result_vector[result_index] = val;
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++result_index;
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EncodingData GetEncodingFromVector(uint index) {
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const uint array_index = index / 4;
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const uint vector_index = index % 4;
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const uint data = result_vector[array_index][vector_index];
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return EncodingData(data);
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}
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// Returns the number of bits required to encode n_vals values.
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uint GetBitLength(uint n_vals, uint encoding_index) {
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const EncodingData encoding_value = encoding_values[encoding_index];
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const EncodingData encoding_value =
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EncodingData(encoding_values[encoding_index / 4][encoding_index % 4]);
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const uint encoding = Encoding(encoding_value);
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uint total_bits = NumBits(encoding_value) * n_vals;
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if (encoding == TRIT) {
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@ -409,7 +413,7 @@ uint GetNumWeightValues(uvec2 size, bool dual_plane) {
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}
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uint GetPackedBitSize(uvec2 size, bool dual_plane, uint max_weight) {
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uint n_vals = GetNumWeightValues(size, dual_plane);
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const uint n_vals = GetNumWeightValues(size, dual_plane);
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return GetBitLength(n_vals, max_weight);
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}
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@ -418,13 +422,13 @@ uint BitsBracket(uint bits, uint pos) {
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||||
}
|
||||
|
||||
uint BitsOp(uint bits, uint start, uint end) {
|
||||
uint mask = (1 << (end - start + 1)) - 1;
|
||||
const uint mask = (1 << (end - start + 1)) - 1;
|
||||
return ((bits >> start) & mask);
|
||||
}
|
||||
|
||||
void DecodeQuintBlock(uint num_bits) {
|
||||
uint m[3];
|
||||
uint q[3];
|
||||
uvec3 m;
|
||||
uvec3 q;
|
||||
uint Q;
|
||||
m[0] = StreamColorBits(num_bits);
|
||||
Q = StreamColorBits(3);
|
||||
@ -433,25 +437,25 @@ void DecodeQuintBlock(uint num_bits) {
|
||||
m[2] = StreamColorBits(num_bits);
|
||||
Q |= StreamColorBits(2) << 5;
|
||||
if (BitsOp(Q, 1, 2) == 3 && BitsOp(Q, 5, 6) == 0) {
|
||||
q[0] = 4;
|
||||
q[1] = 4;
|
||||
q[2] = (BitsBracket(Q, 0) << 2) | ((BitsBracket(Q, 4) & ~BitsBracket(Q, 0)) << 1) |
|
||||
(BitsBracket(Q, 3) & ~BitsBracket(Q, 0));
|
||||
q.x = 4;
|
||||
q.y = 4;
|
||||
q.z = (BitsBracket(Q, 0) << 2) | ((BitsBracket(Q, 4) & ~BitsBracket(Q, 0)) << 1) |
|
||||
(BitsBracket(Q, 3) & ~BitsBracket(Q, 0));
|
||||
} else {
|
||||
uint C = 0;
|
||||
if (BitsOp(Q, 1, 2) == 3) {
|
||||
q[2] = 4;
|
||||
q.z = 4;
|
||||
C = (BitsOp(Q, 3, 4) << 3) | ((~BitsOp(Q, 5, 6) & 3) << 1) | BitsBracket(Q, 0);
|
||||
} else {
|
||||
q[2] = BitsOp(Q, 5, 6);
|
||||
q.z = BitsOp(Q, 5, 6);
|
||||
C = BitsOp(Q, 0, 4);
|
||||
}
|
||||
if (BitsOp(C, 0, 2) == 5) {
|
||||
q[1] = 4;
|
||||
q[0] = BitsOp(C, 3, 4);
|
||||
q.y = 4;
|
||||
q.x = BitsOp(C, 3, 4);
|
||||
} else {
|
||||
q[1] = BitsOp(C, 3, 4);
|
||||
q[0] = BitsOp(C, 0, 2);
|
||||
q.y = BitsOp(C, 3, 4);
|
||||
q.x = BitsOp(C, 0, 2);
|
||||
}
|
||||
}
|
||||
for (uint i = 0; i < 3; i++) {
|
||||
@ -509,11 +513,11 @@ void DecodeTritBlock(uint num_bits) {
|
||||
}
|
||||
|
||||
void DecodeIntegerSequence(uint max_range, uint num_values) {
|
||||
EncodingData val = encoding_values[max_range];
|
||||
EncodingData val = EncodingData(encoding_values[max_range / 4][max_range % 4]);
|
||||
const uint encoding = Encoding(val);
|
||||
const uint num_bits = NumBits(val);
|
||||
uint vals_decoded = 0;
|
||||
while (vals_decoded < num_values) {
|
||||
while (vals_decoded < num_values && !result_limit_reached) {
|
||||
switch (encoding) {
|
||||
case QUINT:
|
||||
DecodeQuintBlock(num_bits);
|
||||
@ -532,7 +536,8 @@ void DecodeIntegerSequence(uint max_range, uint num_values) {
|
||||
}
|
||||
}
|
||||
|
||||
void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits) {
|
||||
void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits,
|
||||
out uvec4 color_values[8]) {
|
||||
uint num_values = 0;
|
||||
for (uint i = 0; i < num_partitions; i++) {
|
||||
num_values += ((modes[i] >> 2) + 1) << 1;
|
||||
@ -540,8 +545,8 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits) {
|
||||
// Find the largest encoding that's within color_data_bits
|
||||
// TODO(ameerj): profile with binary search
|
||||
int range = 0;
|
||||
while (++range < encoding_values.length()) {
|
||||
uint bit_length = GetBitLength(num_values, range);
|
||||
while (++range < ((encoding_values.length() * 4) - 2)) {
|
||||
const uint bit_length = GetBitLength(num_values, range);
|
||||
if (bit_length > color_data_bits) {
|
||||
break;
|
||||
}
|
||||
@ -552,7 +557,7 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits) {
|
||||
if (out_index >= num_values) {
|
||||
break;
|
||||
}
|
||||
const EncodingData val = result_vector[itr];
|
||||
const EncodingData val = GetEncodingFromVector(itr);
|
||||
const uint encoding = Encoding(val);
|
||||
const uint bitlen = NumBits(val);
|
||||
const uint bitval = BitValue(val);
|
||||
@ -560,7 +565,8 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits) {
|
||||
A = ReplicateBitTo9((bitval & 1));
|
||||
switch (encoding) {
|
||||
case JUST_BITS:
|
||||
color_values[out_index++] = FastReplicateTo8(bitval, bitlen);
|
||||
color_values[out_index / 4][out_index % 4] = FastReplicateTo8(bitval, bitlen);
|
||||
++out_index;
|
||||
break;
|
||||
case TRIT: {
|
||||
D = QuintTritValue(val);
|
||||
@ -570,31 +576,31 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits) {
|
||||
break;
|
||||
case 2: {
|
||||
C = 93;
|
||||
uint b = (bitval >> 1) & 1;
|
||||
const uint b = (bitval >> 1) & 1;
|
||||
B = (b << 8) | (b << 4) | (b << 2) | (b << 1);
|
||||
break;
|
||||
}
|
||||
case 3: {
|
||||
C = 44;
|
||||
uint cb = (bitval >> 1) & 3;
|
||||
const uint cb = (bitval >> 1) & 3;
|
||||
B = (cb << 7) | (cb << 2) | cb;
|
||||
break;
|
||||
}
|
||||
case 4: {
|
||||
C = 22;
|
||||
uint dcb = (bitval >> 1) & 7;
|
||||
const uint dcb = (bitval >> 1) & 7;
|
||||
B = (dcb << 6) | dcb;
|
||||
break;
|
||||
}
|
||||
case 5: {
|
||||
C = 11;
|
||||
uint edcb = (bitval >> 1) & 0xF;
|
||||
const uint edcb = (bitval >> 1) & 0xF;
|
||||
B = (edcb << 5) | (edcb >> 2);
|
||||
break;
|
||||
}
|
||||
case 6: {
|
||||
C = 5;
|
||||
uint fedcb = (bitval >> 1) & 0x1F;
|
||||
const uint fedcb = (bitval >> 1) & 0x1F;
|
||||
B = (fedcb << 4) | (fedcb >> 4);
|
||||
break;
|
||||
}
|
||||
@ -609,25 +615,25 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits) {
|
||||
break;
|
||||
case 2: {
|
||||
C = 54;
|
||||
uint b = (bitval >> 1) & 1;
|
||||
const uint b = (bitval >> 1) & 1;
|
||||
B = (b << 8) | (b << 3) | (b << 2);
|
||||
break;
|
||||
}
|
||||
case 3: {
|
||||
C = 26;
|
||||
uint cb = (bitval >> 1) & 3;
|
||||
const uint cb = (bitval >> 1) & 3;
|
||||
B = (cb << 7) | (cb << 1) | (cb >> 1);
|
||||
break;
|
||||
}
|
||||
case 4: {
|
||||
C = 13;
|
||||
uint dcb = (bitval >> 1) & 7;
|
||||
const uint dcb = (bitval >> 1) & 7;
|
||||
B = (dcb << 6) | (dcb >> 1);
|
||||
break;
|
||||
}
|
||||
case 5: {
|
||||
C = 6;
|
||||
uint edcb = (bitval >> 1) & 0xF;
|
||||
const uint edcb = (bitval >> 1) & 0xF;
|
||||
B = (edcb << 5) | (edcb >> 3);
|
||||
break;
|
||||
}
|
||||
@ -639,7 +645,8 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits) {
|
||||
uint T = (D * C) + B;
|
||||
T ^= A;
|
||||
T = (A & 0x80) | (T >> 2);
|
||||
color_values[out_index++] = T;
|
||||
color_values[out_index / 4][out_index % 4] = T;
|
||||
++out_index;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -657,25 +664,30 @@ ivec2 BitTransferSigned(int a, int b) {
|
||||
}
|
||||
|
||||
uvec4 ClampByte(ivec4 color) {
|
||||
const uvec4 clamped = uvec4(clamp(color, 0, 255));
|
||||
return clamped;
|
||||
for (uint i = 0; i < 4; ++i) {
|
||||
color[i] = clamp(color[i], 0, 255);
|
||||
}
|
||||
return uvec4(color);
|
||||
}
|
||||
|
||||
ivec4 BlueContract(int a, int r, int g, int b) {
|
||||
return ivec4(a, (r + b) >> 1, (g + b) >> 1, b);
|
||||
}
|
||||
|
||||
void ComputeEndpoints(out uvec4 ep1, out uvec4 ep2, uint color_endpoint_mode) {
|
||||
void ComputeEndpoints(out uvec4 ep1, out uvec4 ep2, uint color_endpoint_mode,
|
||||
in uvec4 color_values[8], inout uint colvals_index) {
|
||||
#define READ_UINT_VALUES(N) \
|
||||
uint v[N]; \
|
||||
for (uint i = 0; i < N; i++) { \
|
||||
v[i] = color_values[colvals_index++]; \
|
||||
v[i] = color_values[colvals_index / 4][colvals_index % 4]; \
|
||||
++colvals_index; \
|
||||
}
|
||||
|
||||
#define READ_INT_VALUES(N) \
|
||||
int v[N]; \
|
||||
for (uint i = 0; i < N; i++) { \
|
||||
v[i] = int(color_values[colvals_index++]); \
|
||||
v[i] = int(color_values[colvals_index / 4][colvals_index % 4]); \
|
||||
++colvals_index; \
|
||||
}
|
||||
|
||||
switch (color_endpoint_mode) {
|
||||
@ -687,8 +699,8 @@ void ComputeEndpoints(out uvec4 ep1, out uvec4 ep2, uint color_endpoint_mode) {
|
||||
}
|
||||
case 1: {
|
||||
READ_UINT_VALUES(2)
|
||||
uint L0 = (v[0] >> 2) | (v[1] & 0xC0);
|
||||
uint L1 = min(L0 + (v[1] & 0x3F), 0xFFU);
|
||||
const uint L0 = (v[0] >> 2) | (v[1] & 0xC0);
|
||||
const uint L1 = min(L0 + (v[1] & 0x3F), 0xFFU);
|
||||
ep1 = uvec4(0xFF, L0, L0, L0);
|
||||
ep2 = uvec4(0xFF, L1, L1, L1);
|
||||
break;
|
||||
@ -817,7 +829,7 @@ uint UnquantizeTexelWeight(EncodingData val) {
|
||||
D = QuintTritValue(val);
|
||||
switch (bitlen) {
|
||||
case 0: {
|
||||
uint results[3] = {0, 32, 63};
|
||||
const uint results[3] = {0, 32, 63};
|
||||
result = results[D];
|
||||
break;
|
||||
}
|
||||
@ -827,13 +839,13 @@ uint UnquantizeTexelWeight(EncodingData val) {
|
||||
}
|
||||
case 2: {
|
||||
C = 23;
|
||||
uint b = (bitval >> 1) & 1;
|
||||
const uint b = (bitval >> 1) & 1;
|
||||
B = (b << 6) | (b << 2) | b;
|
||||
break;
|
||||
}
|
||||
case 3: {
|
||||
C = 11;
|
||||
uint cb = (bitval >> 1) & 3;
|
||||
const uint cb = (bitval >> 1) & 3;
|
||||
B = (cb << 5) | cb;
|
||||
break;
|
||||
}
|
||||
@ -846,7 +858,7 @@ uint UnquantizeTexelWeight(EncodingData val) {
|
||||
D = QuintTritValue(val);
|
||||
switch (bitlen) {
|
||||
case 0: {
|
||||
uint results[5] = {0, 16, 32, 47, 63};
|
||||
const uint results[5] = {0, 16, 32, 47, 63};
|
||||
result = results[D];
|
||||
break;
|
||||
}
|
||||
@ -856,7 +868,7 @@ uint UnquantizeTexelWeight(EncodingData val) {
|
||||
}
|
||||
case 2: {
|
||||
C = 13;
|
||||
uint b = (bitval >> 1) & 1;
|
||||
const uint b = (bitval >> 1) & 1;
|
||||
B = (b << 6) | (b << 1);
|
||||
break;
|
||||
}
|
||||
@ -875,15 +887,18 @@ uint UnquantizeTexelWeight(EncodingData val) {
|
||||
return result;
|
||||
}
|
||||
|
||||
void UnquantizeTexelWeights(bool is_dual_plane, uvec2 size, out uint unquantized_texel_weights[2 * 144]) {
|
||||
void UnquantizeTexelWeights(uvec2 size, bool is_dual_plane,
|
||||
out uvec4 unquantized_texel_weights[VECTOR_ARRAY_SIZE]) {
|
||||
const uint Ds = uint((block_dims.x * 0.5f + 1024) / (block_dims.x - 1));
|
||||
const uint Dt = uint((block_dims.y * 0.5f + 1024) / (block_dims.y - 1));
|
||||
const uint num_planes = is_dual_plane ? 2 : 1;
|
||||
const uint area = size.x * size.y;
|
||||
const uint loop_count = min(result_index, area * num_planes);
|
||||
uint unquantized[2 * 144];
|
||||
for (uint itr = 0; itr < loop_count; ++itr) {
|
||||
unquantized[itr] = UnquantizeTexelWeight(result_vector[itr]);
|
||||
const uint array_index = itr / 4;
|
||||
const uint vector_index = itr % 4;
|
||||
result_vector[array_index][vector_index] =
|
||||
UnquantizeTexelWeight(GetEncodingFromVector(itr));
|
||||
}
|
||||
for (uint plane = 0; plane < num_planes; ++plane) {
|
||||
for (uint t = 0; t < block_dims.y; t++) {
|
||||
@ -907,28 +922,33 @@ void UnquantizeTexelWeights(bool is_dual_plane, uvec2 size, out uint unquantized
|
||||
|
||||
#define VectorIndicesFromBase(offset_base) \
|
||||
const uint offset = is_dual_plane ? 2 * offset_base + plane : offset_base; \
|
||||
const uint array_index = offset / 4; \
|
||||
const uint vector_index = offset % 4;
|
||||
|
||||
if (v0 < area) {
|
||||
const uint offset_base = v0;
|
||||
VectorIndicesFromBase(offset_base);
|
||||
p.x = unquantized[offset];
|
||||
p.x = result_vector[array_index][vector_index];
|
||||
}
|
||||
if ((v0 + 1) < (area)) {
|
||||
const uint offset_base = v0 + 1;
|
||||
VectorIndicesFromBase(offset_base);
|
||||
p.y = unquantized[offset];
|
||||
p.y = result_vector[array_index][vector_index];
|
||||
}
|
||||
if ((v0 + size.x) < (area)) {
|
||||
const uint offset_base = v0 + size.x;
|
||||
VectorIndicesFromBase(offset_base);
|
||||
p.z = unquantized[offset];
|
||||
p.z = result_vector[array_index][vector_index];
|
||||
}
|
||||
if ((v0 + size.x + 1) < (area)) {
|
||||
const uint offset_base = v0 + size.x + 1;
|
||||
VectorIndicesFromBase(offset_base);
|
||||
p.w = unquantized[offset];
|
||||
p.w = result_vector[array_index][vector_index];
|
||||
}
|
||||
unquantized_texel_weights[plane * 144 + t * block_dims.x + s] = (uint(dot(p, w)) + 8) >> 4;
|
||||
const uint offset = (t * block_dims.x + s) + ARRAY_NUM_ELEMENTS * plane;
|
||||
const uint array_index = offset / 4;
|
||||
const uint vector_index = offset % 4;
|
||||
unquantized_texel_weights[array_index][vector_index] = (uint(dot(p, w)) + 8) >> 4;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1050,6 +1070,7 @@ TexelWeightParams DecodeBlockInfo() {
|
||||
weight_index += 6;
|
||||
}
|
||||
params.max_weight = weight_index + 1;
|
||||
|
||||
return params;
|
||||
}
|
||||
|
||||
@ -1079,7 +1100,7 @@ void FillVoidExtentLDR(ivec3 coord) {
|
||||
}
|
||||
|
||||
void DecompressBlock(ivec3 coord) {
|
||||
TexelWeightParams params = DecodeBlockInfo();
|
||||
const TexelWeightParams params = DecodeBlockInfo();
|
||||
if (params.error_state) {
|
||||
FillError(coord);
|
||||
return;
|
||||
@ -1096,12 +1117,11 @@ void DecompressBlock(ivec3 coord) {
|
||||
FillError(coord);
|
||||
return;
|
||||
}
|
||||
uint num_partitions = StreamBits(2) + 1;
|
||||
const uint num_partitions = StreamBits(2) + 1;
|
||||
if (num_partitions > 4 || (num_partitions == 4 && params.dual_plane)) {
|
||||
FillError(coord);
|
||||
return;
|
||||
}
|
||||
int plane_index = -1;
|
||||
uint partition_index = 1;
|
||||
uvec4 color_endpoint_mode = uvec4(0);
|
||||
uint ced_pointer = 0;
|
||||
@ -1113,8 +1133,8 @@ void DecompressBlock(ivec3 coord) {
|
||||
partition_index = StreamBits(10);
|
||||
base_cem = StreamBits(6);
|
||||
}
|
||||
uint base_mode = base_cem & 3;
|
||||
uint weight_bits = GetPackedBitSize(params.size, params.dual_plane, params.max_weight);
|
||||
const uint base_mode = base_cem & 3;
|
||||
const uint weight_bits = GetPackedBitSize(params.size, params.dual_plane, params.max_weight);
|
||||
uint remaining_bits = 128 - weight_bits - total_bitsread;
|
||||
uint extra_cem_bits = 0;
|
||||
if (base_mode > 0) {
|
||||
@ -1133,10 +1153,7 @@ void DecompressBlock(ivec3 coord) {
|
||||
}
|
||||
}
|
||||
remaining_bits -= extra_cem_bits;
|
||||
uint plane_selector_bits = 0;
|
||||
if (params.dual_plane) {
|
||||
plane_selector_bits = 2;
|
||||
}
|
||||
const uint plane_selector_bits = params.dual_plane ? 2 : 0;
|
||||
remaining_bits -= plane_selector_bits;
|
||||
if (remaining_bits > 128) {
|
||||
// Bad data, more remaining bits than 4 bytes
|
||||
@ -1144,17 +1161,17 @@ void DecompressBlock(ivec3 coord) {
|
||||
return;
|
||||
}
|
||||
// Read color data...
|
||||
uint color_data_bits = remaining_bits;
|
||||
const uint color_data_bits = remaining_bits;
|
||||
while (remaining_bits > 0) {
|
||||
int nb = int(min(remaining_bits, 32U));
|
||||
uint b = StreamBits(nb);
|
||||
const int nb = int(min(remaining_bits, 32U));
|
||||
const uint b = StreamBits(nb);
|
||||
color_endpoint_data[ced_pointer] = uint(bitfieldExtract(b, 0, nb));
|
||||
++ced_pointer;
|
||||
remaining_bits -= nb;
|
||||
}
|
||||
plane_index = int(StreamBits(plane_selector_bits));
|
||||
const uint plane_index = uint(StreamBits(plane_selector_bits));
|
||||
if (base_mode > 0) {
|
||||
uint extra_cem = StreamBits(extra_cem_bits);
|
||||
const uint extra_cem = StreamBits(extra_cem_bits);
|
||||
uint cem = (extra_cem << 6) | base_cem;
|
||||
cem >>= 2;
|
||||
uvec4 C = uvec4(0);
|
||||
@ -1176,43 +1193,54 @@ void DecompressBlock(ivec3 coord) {
|
||||
color_endpoint_mode[i] |= M[i];
|
||||
}
|
||||
} else if (num_partitions > 1) {
|
||||
uint cem = base_cem >> 2;
|
||||
const uint cem = base_cem >> 2;
|
||||
for (uint i = 0; i < num_partitions; i++) {
|
||||
color_endpoint_mode[i] = cem;
|
||||
}
|
||||
}
|
||||
DecodeColorValues(color_endpoint_mode, num_partitions, color_data_bits);
|
||||
|
||||
uvec4 endpoints[4][2];
|
||||
for (uint i = 0; i < num_partitions; i++) {
|
||||
ComputeEndpoints(endpoints[i][0], endpoints[i][1], color_endpoint_mode[i]);
|
||||
uvec4 endpoints0[4];
|
||||
uvec4 endpoints1[4];
|
||||
{
|
||||
// This decode phase should at most push 32 elements into the vector
|
||||
result_vector_max_index = 32;
|
||||
|
||||
uvec4 color_values[8];
|
||||
uint colvals_index = 0;
|
||||
DecodeColorValues(color_endpoint_mode, num_partitions, color_data_bits, color_values);
|
||||
for (uint i = 0; i < num_partitions; i++) {
|
||||
ComputeEndpoints(endpoints0[i], endpoints1[i], color_endpoint_mode[i], color_values,
|
||||
colvals_index);
|
||||
}
|
||||
}
|
||||
|
||||
color_endpoint_data = local_buff;
|
||||
color_endpoint_data = bitfieldReverse(color_endpoint_data).wzyx;
|
||||
uint clear_byte_start =
|
||||
(GetPackedBitSize(params.size, params.dual_plane, params.max_weight) >> 3) + 1;
|
||||
const uint clear_byte_start = (weight_bits >> 3) + 1;
|
||||
|
||||
uint byte_insert = ExtractBits(color_endpoint_data, int(clear_byte_start - 1) * 8, 8) &
|
||||
uint(
|
||||
((1 << (GetPackedBitSize(params.size, params.dual_plane, params.max_weight) % 8)) - 1));
|
||||
uint vec_index = (clear_byte_start - 1) >> 2;
|
||||
color_endpoint_data[vec_index] =
|
||||
bitfieldInsert(color_endpoint_data[vec_index], byte_insert, int((clear_byte_start - 1) % 4) * 8, 8);
|
||||
const uint byte_insert = ExtractBits(color_endpoint_data, int(clear_byte_start - 1) * 8, 8) &
|
||||
uint(((1 << (weight_bits % 8)) - 1));
|
||||
const uint vec_index = (clear_byte_start - 1) >> 2;
|
||||
color_endpoint_data[vec_index] = bitfieldInsert(color_endpoint_data[vec_index], byte_insert,
|
||||
int((clear_byte_start - 1) % 4) * 8, 8);
|
||||
for (uint i = clear_byte_start; i < 16; ++i) {
|
||||
uint idx = i >> 2;
|
||||
const uint idx = i >> 2;
|
||||
color_endpoint_data[idx] = bitfieldInsert(color_endpoint_data[idx], 0, int(i % 4) * 8, 8);
|
||||
}
|
||||
|
||||
// Re-init vector variables for next decode phase
|
||||
result_index = 0;
|
||||
color_bitsread = 0;
|
||||
result_limit_reached = false;
|
||||
|
||||
// The limit for the Unquantize phase, avoids decoding more data than needed.
|
||||
result_vector_max_index = params.size.x * params.size.y;
|
||||
if (params.dual_plane) {
|
||||
result_vector_max_index *= 2;
|
||||
}
|
||||
DecodeIntegerSequence(params.max_weight, GetNumWeightValues(params.size, params.dual_plane));
|
||||
|
||||
uint unquantized_texel_weights[2 * 144];
|
||||
UnquantizeTexelWeights(params.dual_plane, params.size, unquantized_texel_weights);
|
||||
|
||||
uvec4 unquantized_texel_weights[VECTOR_ARRAY_SIZE];
|
||||
UnquantizeTexelWeights(params.size, params.dual_plane, unquantized_texel_weights);
|
||||
for (uint j = 0; j < block_dims.y; j++) {
|
||||
for (uint i = 0; i < block_dims.x; i++) {
|
||||
uint local_partition = 0;
|
||||
@ -1220,13 +1248,19 @@ void DecompressBlock(ivec3 coord) {
|
||||
local_partition = Select2DPartition(partition_index, i, j, num_partitions,
|
||||
(block_dims.y * block_dims.x) < 32);
|
||||
}
|
||||
const uvec4 C0 = ReplicateByteTo16(endpoints[local_partition][0]);
|
||||
const uvec4 C1 = ReplicateByteTo16(endpoints[local_partition][1]);
|
||||
const uvec4 C0 = ReplicateByteTo16(endpoints0[local_partition]);
|
||||
const uvec4 C1 = ReplicateByteTo16(endpoints1[local_partition]);
|
||||
const uint weight_offset = (j * block_dims.x + i);
|
||||
const uint primary_weight = unquantized_texel_weights[weight_offset];
|
||||
const uint array_index = weight_offset / 4;
|
||||
const uint vector_index = weight_offset % 4;
|
||||
const uint primary_weight = unquantized_texel_weights[array_index][vector_index];
|
||||
uvec4 weight_vec = uvec4(primary_weight);
|
||||
if (params.dual_plane) {
|
||||
const uint secondary_weight = unquantized_texel_weights[weight_offset + 144];
|
||||
const uint secondary_weight_offset = (j * block_dims.x + i) + ARRAY_NUM_ELEMENTS;
|
||||
const uint secondary_array_index = secondary_weight_offset / 4;
|
||||
const uint secondary_vector_index = secondary_weight_offset % 4;
|
||||
const uint secondary_weight =
|
||||
unquantized_texel_weights[secondary_array_index][secondary_vector_index];
|
||||
for (uint c = 0; c < 4; c++) {
|
||||
const bool is_secondary = ((plane_index + 1u) & 3u) == c;
|
||||
weight_vec[c] = is_secondary ? secondary_weight : primary_weight;
|
||||
@ -1240,12 +1274,11 @@ void DecompressBlock(ivec3 coord) {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
uint SwizzleOffset(uvec2 pos) {
|
||||
uint x = pos.x;
|
||||
uint y = pos.y;
|
||||
return ((x % 64) / 32) * 256 + ((y % 8) / 2) * 64 + ((x % 32) / 16) * 32 +
|
||||
(y % 2) * 16 + (x % 16);
|
||||
const uint x = pos.x;
|
||||
const uint y = pos.y;
|
||||
return ((x % 64) / 32) * 256 + ((y % 8) / 2) * 64 +
|
||||
((x % 32) / 16) * 32 + (y % 2) * 16 + (x % 16);
|
||||
}
|
||||
|
||||
void main() {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user