mirror of
https://git.suyu.dev/suyu/suyu.git
synced 2024-11-30 02:32:46 +01:00
astc_decoder: Make use of uvec4 for payload data
This commit is contained in:
ameerj
parent
a75d70fa90
commit
b2862e4772
1 changed files with 43 additions and 79 deletions
|
|
@ -59,7 +59,7 @@ layout(binding = BINDING_SWIZZLE_BUFFER, std430) readonly buffer SwizzleTable {
|
|||
};
|
||||
|
||||
layout(binding = BINDING_INPUT_BUFFER, std430) readonly buffer InputBufferU32 {
|
||||
uint astc_data[];
|
||||
uvec4 astc_data[];
|
||||
};
|
||||
|
||||
layout(binding = BINDING_OUTPUT_IMAGE, rgba8) uniform writeonly image2DArray dest_image;
|
||||
|
|
@ -141,32 +141,28 @@ const uint REPLICATE_7_BIT_TO_8_TABLE[128] =
|
|||
// Input ASTC texture globals
|
||||
uint current_index = 0;
|
||||
int bitsread = 0;
|
||||
uint total_bitsread = 0;
|
||||
uint local_buff[16];
|
||||
int total_bitsread = 0;
|
||||
uvec4 local_buff;
|
||||
|
||||
// Color data globals
|
||||
uint color_endpoint_data[16];
|
||||
uvec4 color_endpoint_data;
|
||||
int color_bitsread = 0;
|
||||
uint total_color_bitsread = 0;
|
||||
int color_index = 0;
|
||||
|
||||
// Four values, two endpoints, four maximum paritions
|
||||
uint color_values[32];
|
||||
int colvals_index = 0;
|
||||
|
||||
// Weight data globals
|
||||
uint texel_weight_data[16];
|
||||
uvec4 texel_weight_data;
|
||||
int texel_bitsread = 0;
|
||||
uint total_texel_bitsread = 0;
|
||||
int texel_index = 0;
|
||||
|
||||
bool texel_flag = false;
|
||||
|
||||
// Global "vectors" to be pushed into when decoding
|
||||
EncodingData result_vector[100];
|
||||
EncodingData result_vector[144];
|
||||
int result_index = 0;
|
||||
|
||||
EncodingData texel_vector[100];
|
||||
EncodingData texel_vector[144];
|
||||
int texel_vector_index = 0;
|
||||
|
||||
uint unquantized_texel_weights[2][144];
|
||||
|
|
@ -176,11 +172,6 @@ uint SwizzleOffset(uvec2 pos) {
|
|||
return swizzle_table[pos.y * 64 + pos.x];
|
||||
}
|
||||
|
||||
uint ReadTexel(uint offset) {
|
||||
// extract the 8-bit value from the 32-bit packed data.
|
||||
return bitfieldExtract(astc_data[offset / 4], int((offset * 8) & 24), 8);
|
||||
}
|
||||
|
||||
// Replicates low num_bits such that [(to_bit - 1):(to_bit - 1 - from_bit)]
|
||||
// is the same as [(num_bits - 1):0] and repeats all the way down.
|
||||
uint Replicate(uint val, uint num_bits, uint to_bit) {
|
||||
|
|
@ -356,54 +347,37 @@ uint Select2DPartition(uint seed, uint x, uint y, uint partition_count, bool sma
|
|||
}
|
||||
}
|
||||
|
||||
uint ReadBit() {
|
||||
if (current_index >= local_buff.length()) {
|
||||
uint ExtractBits(uvec4 payload, int offset, int bits) {
|
||||
if (bits <= 0) {
|
||||
return 0;
|
||||
}
|
||||
uint bit = bitfieldExtract(local_buff[current_index], bitsread, 1);
|
||||
++bitsread;
|
||||
++total_bitsread;
|
||||
if (bitsread == 8) {
|
||||
++current_index;
|
||||
bitsread = 0;
|
||||
int last_offset = offset + bits - 1;
|
||||
int shifted_offset = offset >> 5;
|
||||
if ((last_offset >> 5) == shifted_offset) {
|
||||
return bitfieldExtract(payload[shifted_offset], offset & 31, bits);
|
||||
}
|
||||
return bit;
|
||||
int first_bits = 32 - (offset & 31);
|
||||
int result_first = int(bitfieldExtract(payload[shifted_offset], offset & 31, first_bits));
|
||||
int result_second = int(bitfieldExtract(payload[shifted_offset + 1], 0, bits - first_bits));
|
||||
return result_first | (result_second << first_bits);
|
||||
}
|
||||
|
||||
uint StreamBits(uint num_bits) {
|
||||
uint ret = 0;
|
||||
for (uint i = 0; i < num_bits; i++) {
|
||||
ret |= ((ReadBit() & 1) << i);
|
||||
}
|
||||
int int_bits = int(num_bits);
|
||||
uint ret = ExtractBits(local_buff, total_bitsread, int_bits);
|
||||
total_bitsread += int_bits;
|
||||
return ret;
|
||||
}
|
||||
|
||||
uint ReadColorBit() {
|
||||
uint bit = 0;
|
||||
if (texel_flag) {
|
||||
bit = bitfieldExtract(texel_weight_data[texel_index], texel_bitsread, 1);
|
||||
++texel_bitsread;
|
||||
++total_texel_bitsread;
|
||||
if (texel_bitsread == 8) {
|
||||
++texel_index;
|
||||
texel_bitsread = 0;
|
||||
}
|
||||
} else {
|
||||
bit = bitfieldExtract(color_endpoint_data[color_index], color_bitsread, 1);
|
||||
++color_bitsread;
|
||||
++total_color_bitsread;
|
||||
if (color_bitsread == 8) {
|
||||
++color_index;
|
||||
color_bitsread = 0;
|
||||
}
|
||||
}
|
||||
return bit;
|
||||
}
|
||||
|
||||
uint StreamColorBits(uint num_bits) {
|
||||
uint ret = 0;
|
||||
for (uint i = 0; i < num_bits; i++) {
|
||||
ret |= ((ReadColorBit() & 1) << i);
|
||||
int int_bits = int(num_bits);
|
||||
if (texel_flag) {
|
||||
ret = ExtractBits(texel_weight_data, texel_bitsread, int_bits);
|
||||
texel_bitsread += int_bits;
|
||||
} else {
|
||||
ret = ExtractBits(color_endpoint_data, color_bitsread, int_bits);
|
||||
color_bitsread += int_bits;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -1006,7 +980,7 @@ int FindLayout(uint mode) {
|
|||
return 5;
|
||||
}
|
||||
|
||||
TexelWeightParams DecodeBlockInfo(uint block_index) {
|
||||
TexelWeightParams DecodeBlockInfo() {
|
||||
TexelWeightParams params = TexelWeightParams(uvec2(0), 0, false, false, false, false);
|
||||
uint mode = StreamBits(11);
|
||||
if ((mode & 0x1ff) == 0x1fc) {
|
||||
|
|
@ -1122,8 +1096,8 @@ void FillVoidExtentLDR(ivec3 coord) {
|
|||
}
|
||||
}
|
||||
|
||||
void DecompressBlock(ivec3 coord, uint block_index) {
|
||||
TexelWeightParams params = DecodeBlockInfo(block_index);
|
||||
void DecompressBlock(ivec3 coord) {
|
||||
TexelWeightParams params = DecodeBlockInfo();
|
||||
if (params.error_state) {
|
||||
FillError(coord);
|
||||
return;
|
||||
|
|
@ -1190,7 +1164,7 @@ void DecompressBlock(ivec3 coord, uint block_index) {
|
|||
// Read color data...
|
||||
uint color_data_bits = remaining_bits;
|
||||
while (remaining_bits > 0) {
|
||||
int nb = int(min(remaining_bits, 8U));
|
||||
int nb = int(min(remaining_bits, 32U));
|
||||
uint b = StreamBits(nb);
|
||||
color_endpoint_data[ced_pointer] = uint(bitfieldExtract(b, 0, nb));
|
||||
++ced_pointer;
|
||||
|
|
@ -1232,25 +1206,20 @@ void DecompressBlock(ivec3 coord, uint block_index) {
|
|||
ComputeEndpoints(endpoints[i][0], endpoints[i][1], color_endpoint_mode[i]);
|
||||
}
|
||||
|
||||
for (uint i = 0; i < 16; i++) {
|
||||
texel_weight_data[i] = local_buff[i];
|
||||
}
|
||||
for (uint i = 0; i < 8; i++) {
|
||||
#define REVERSE_BYTE(b) ((b * 0x0802U & 0x22110U) | (b * 0x8020U & 0x88440U)) * 0x10101U >> 16
|
||||
uint a = REVERSE_BYTE(texel_weight_data[i]);
|
||||
uint b = REVERSE_BYTE(texel_weight_data[15 - i]);
|
||||
#undef REVERSE_BYTE
|
||||
texel_weight_data[i] = uint(bitfieldExtract(b, 0, 8));
|
||||
texel_weight_data[15 - i] = uint(bitfieldExtract(a, 0, 8));
|
||||
}
|
||||
texel_weight_data = local_buff;
|
||||
texel_weight_data = bitfieldReverse(texel_weight_data).wzyx;
|
||||
uint clear_byte_start =
|
||||
(GetPackedBitSize(params.size, params.dual_plane, params.max_weight) >> 3) + 1;
|
||||
texel_weight_data[clear_byte_start - 1] =
|
||||
texel_weight_data[clear_byte_start - 1] &
|
||||
|
||||
uint byte_insert = ExtractBits(texel_weight_data, int(clear_byte_start - 1) * 8, 8) &
|
||||
uint(
|
||||
((1 << (GetPackedBitSize(params.size, params.dual_plane, params.max_weight) % 8)) - 1));
|
||||
for (uint i = 0; i < 16 - clear_byte_start; i++) {
|
||||
texel_weight_data[clear_byte_start + i] = 0U;
|
||||
uint vec_index = (clear_byte_start - 1) >> 2;
|
||||
texel_weight_data[vec_index] =
|
||||
bitfieldInsert(texel_weight_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;
|
||||
texel_weight_data[idx] = bitfieldInsert(texel_weight_data[idx], 0, int(i % 4) * 8, 8);
|
||||
}
|
||||
texel_flag = true; // use texel "vector" and bit stream in integer decoding
|
||||
DecodeIntegerSequence(params.max_weight, GetNumWeightValues(params.size, params.dual_plane));
|
||||
|
|
@ -1302,13 +1271,8 @@ void main() {
|
|||
if (any(greaterThanEqual(coord, imageSize(dest_image)))) {
|
||||
return;
|
||||
}
|
||||
uint block_index =
|
||||
pos.z * gl_WorkGroupSize.x * gl_WorkGroupSize.y + pos.y * gl_WorkGroupSize.x + pos.x;
|
||||
|
||||
current_index = 0;
|
||||
bitsread = 0;
|
||||
for (int i = 0; i < 16; i++) {
|
||||
local_buff[i] = ReadTexel(offset + i);
|
||||
}
|
||||
DecompressBlock(coord, block_index);
|
||||
local_buff = astc_data[offset / 16];
|
||||
DecompressBlock(coord);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue