weights refactor
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6ff65abd62
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@ -116,8 +116,6 @@ const uint REPLICATE_7_BIT_TO_8_TABLE[128] =
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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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uint current_index = 0;
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int bitsread = 0;
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int total_bitsread = 0;
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uvec4 local_buff;
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@ -144,13 +142,6 @@ int texel_vector_index = 0;
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uint unquantized_texel_weights[2][144];
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uint SwizzleOffset(uvec2 pos) {
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uint x = pos.x;
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uint y = pos.y;
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return ((x % 64) / 32) * 256 + ((y % 8) / 2) * 64 + ((x % 32) / 16) * 32 +
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(y % 2) * 16 + (x % 16);
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}
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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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@ -1224,33 +1215,40 @@ void DecompressBlock(ivec3 coord) {
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uint local_partition = 0;
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if (num_partitions > 1) {
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local_partition = Select2DPartition(partition_index, i, j, num_partitions,
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(block_dims.y * block_dims.x) < 32);
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(block_dims.y * block_dims.x) < 32);
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}
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vec4 p;
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uvec4 C0 = ReplicateByteTo16(endpoints[local_partition][0]);
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uvec4 C1 = ReplicateByteTo16(endpoints[local_partition][1]);
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uvec4 plane_vec = uvec4(0);
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uvec4 weight_vec = uvec4(0);
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for (uint c = 0; c < 4; c++) {
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if (params.dual_plane && (((plane_index + 1) & 3) == c)) {
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plane_vec[c] = 1;
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const uvec4 C0 = ReplicateByteTo16(endpoints[local_partition][0]);
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const uvec4 C1 = ReplicateByteTo16(endpoints[local_partition][1]);
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const uint weight_offset = (j * block_dims.x + i);
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const uint primary_weight = unquantized_texel_weights[weight_offset][0];
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uvec4 weight_vec = uvec4(primary_weight);
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if (params.dual_plane) {
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const uint secondary_weight = unquantized_texel_weights[weight_offset][1];
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for (uint c = 0; c < 4; c++) {
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const bool is_secondary = ((plane_index + 1u) & 3u) == c;
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weight_vec[c] = is_secondary ? secondary_weight : primary_weight;
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}
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weight_vec[c] = unquantized_texel_weights[plane_vec[c]][j * block_dims.x + i];
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}
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vec4 Cf = vec4((C0 * (uvec4(64) - weight_vec) + C1 * weight_vec + uvec4(32)) / 64);
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p = (Cf / 65535.0);
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const vec4 Cf =
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vec4((C0 * (uvec4(64) - weight_vec) + C1 * weight_vec + uvec4(32)) / 64);
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const vec4 p = (Cf / 65535.0);
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imageStore(dest_image, coord + ivec3(i, j, 0), p.gbar);
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}
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}
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}
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uint SwizzleOffset(uvec2 pos) {
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uint x = pos.x;
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uint y = pos.y;
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return ((x % 64) / 32) * 256 + ((y % 8) / 2) * 64 + ((x % 32) / 16) * 32 +
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(y % 2) * 16 + (x % 16);
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}
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void main() {
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uvec3 pos = gl_GlobalInvocationID;
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pos.x <<= BYTES_PER_BLOCK_LOG2;
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// Read as soon as possible due to its latency
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const uint swizzle = SwizzleOffset(pos.xy);
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const uint block_y = pos.y >> GOB_SIZE_Y_SHIFT;
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uint offset = 0;
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@ -1264,8 +1262,6 @@ void main() {
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if (any(greaterThanEqual(coord, imageSize(dest_image)))) {
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return;
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}
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current_index = 0;
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bitsread = 0;
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local_buff = astc_data[offset / 16];
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DecompressBlock(coord);
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}
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