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reuse vectors memory

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This commit is contained in:
Ameer J 2023-07-30 13:04:41 -04:00
parent b8ca47e094
commit 0078e5a338
1 changed files with 17 additions and 33 deletions
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44
src/video_core/host_shaders/astc_decoder.comp
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@ -154,19 +154,10 @@ int color_bitsread = 0;
uint color_values[32];
int colvals_index = 0;
// Weight data globals
uvec4 texel_weight_data;
int texel_bitsread = 0;
bool texel_flag = false;
// Global "vectors" to be pushed into when decoding
EncodingData result_vector[144];
int result_index = 0;
EncodingData texel_vector[144];
int texel_vector_index = 0;
// 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) {
@ -382,27 +373,16 @@ void SkipBits(uint num_bits) {
}
uint StreamColorBits(uint num_bits) {
uint ret = 0;
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);
const int int_bits = int(num_bits);
const uint ret = ExtractBits(color_endpoint_data, color_bitsread, int_bits);
color_bitsread += int_bits;
}
return ret;
}
void ResultEmplaceBack(EncodingData val) {
if (texel_flag) {
texel_vector[texel_vector_index] = val;
++texel_vector_index;
} else {
result_vector[result_index] = val;
++result_index;
}
}
// Returns the number of bits required to encode n_vals values.
uint GetBitLength(uint n_vals, uint encoding_index) {
@ -910,7 +890,7 @@ void UnquantizeTexelWeights(bool is_dual_plane, uvec2 size, out uint unquantized
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(texel_vector[itr]);
unquantized[itr] = UnquantizeTexelWeight(result_vector[itr]);
}
for (uint plane = 0; plane < num_planes; ++plane) {
for (uint t = 0; t < block_dims.y; t++) {
@ -1215,22 +1195,26 @@ void DecompressBlock(ivec3 coord) {
ComputeEndpoints(endpoints[i][0], endpoints[i][1], color_endpoint_mode[i]);
}
texel_weight_data = local_buff;
texel_weight_data = bitfieldReverse(texel_weight_data).wzyx;
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;
uint byte_insert = ExtractBits(texel_weight_data, int(clear_byte_start - 1) * 8, 8) &
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;
texel_weight_data[vec_index] =
bitfieldInsert(texel_weight_data[vec_index], byte_insert, int((clear_byte_start - 1) % 4) * 8, 8);
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;
texel_weight_data[idx] = bitfieldInsert(texel_weight_data[idx], 0, int(i % 4) * 8, 8);
color_endpoint_data[idx] = bitfieldInsert(color_endpoint_data[idx], 0, int(i % 4) * 8, 8);
}
texel_flag = true; // use texel "vector" and bit stream in integer decoding
// Re-init vector variables for next decode phase
result_index = 0;
color_bitsread = 0;
DecodeIntegerSequence(params.max_weight, GetNumWeightValues(params.size, params.dual_plane));
uint unquantized_texel_weights[2 * 144];