diff options
| -rw-r--r-- | src/video_core/host_shaders/astc_decoder.comp | 87 |
1 files changed, 44 insertions, 43 deletions
diff --git a/src/video_core/host_shaders/astc_decoder.comp b/src/video_core/host_shaders/astc_decoder.comp index b84ddd67d..f720df6d2 100644 --- a/src/video_core/host_shaders/astc_decoder.comp +++ b/src/video_core/host_shaders/astc_decoder.comp @@ -140,8 +140,6 @@ int result_index = 0; EncodingData texel_vector[144]; int texel_vector_index = 0; -uint unquantized_texel_weights[2][144]; - // 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) { @@ -879,58 +877,60 @@ uint UnquantizeTexelWeight(EncodingData val) { return result; } -void UnquantizeTexelWeights(bool dual_plane, uvec2 size) { - uint weight_idx = 0; - uint unquantized[2][144]; - uint area = size.x * size.y; - for (uint itr = 0; itr < texel_vector_index; itr++) { - unquantized[0][weight_idx] = UnquantizeTexelWeight(texel_vector[itr]); - if (dual_plane) { - ++itr; - unquantized[1][weight_idx] = UnquantizeTexelWeight(texel_vector[itr]); - if (itr == texel_vector_index) { - break; - } - } - if (++weight_idx >= (area)) - break; - } - +void UnquantizeTexelWeights(bool is_dual_plane, uvec2 size, out uint unquantized_texel_weights[2 * 144]) { 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 k_plane_scale = dual_plane ? 2 : 1; - for (uint plane = 0; plane < k_plane_scale; plane++) { + 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(texel_vector[itr]); + } + for (uint plane = 0; plane < num_planes; ++plane) { for (uint t = 0; t < block_dims.y; t++) { for (uint s = 0; s < block_dims.x; s++) { - uint cs = Ds * s; - uint ct = Dt * t; - uint gs = (cs * (size.x - 1) + 32) >> 6; - uint gt = (ct * (size.y - 1) + 32) >> 6; - uint js = gs >> 4; - uint fs = gs & 0xF; - uint jt = gt >> 4; - uint ft = gt & 0x0F; - uint w11 = (fs * ft + 8) >> 4; - uint w10 = ft - w11; - uint w01 = fs - w11; - uint w00 = 16 - fs - ft + w11; - uvec4 w = uvec4(w00, w01, w10, w11); - uint v0 = jt * size.x + js; + const uint cs = Ds * s; + const uint ct = Dt * t; + const uint gs = (cs * (size.x - 1) + 32) >> 6; + const uint gt = (ct * (size.y - 1) + 32) >> 6; + const uint js = gs >> 4; + const uint fs = gs & 0xF; + const uint jt = gt >> 4; + const uint ft = gt & 0x0F; + const uint w11 = (fs * ft + 8) >> 4; + const uint w10 = ft - w11; + const uint w01 = fs - w11; + const uint w00 = 16 - fs - ft + w11; + const uvec4 w = uvec4(w00, w01, w10, w11); + const uint v0 = jt * size.x + js; uvec4 p = uvec4(0); + +#define VectorIndicesFromBase(offset_base) \ + const uint offset = is_dual_plane ? 2 * offset_base + plane : offset_base; \ + if (v0 < area) { - p.x = unquantized[plane][v0]; + const uint offset_base = v0; + VectorIndicesFromBase(offset_base); + p.x = unquantized[offset]; } if ((v0 + 1) < (area)) { - p.y = unquantized[plane][v0 + 1]; + const uint offset_base = v0 + 1; + VectorIndicesFromBase(offset_base); + p.y = unquantized[offset]; } if ((v0 + size.x) < (area)) { - p.z = unquantized[plane][(v0 + size.x)]; + const uint offset_base = v0 + size.x; + VectorIndicesFromBase(offset_base); + p.z = unquantized[offset]; } if ((v0 + size.x + 1) < (area)) { - p.w = unquantized[plane][(v0 + size.x + 1)]; + const uint offset_base = v0 + size.x + 1; + VectorIndicesFromBase(offset_base); + p.w = unquantized[offset]; } - unquantized_texel_weights[plane][t * block_dims.x + s] = (uint(dot(p, w)) + 8) >> 4; + unquantized_texel_weights[plane * 144 + t * block_dims.x + s] = (uint(dot(p, w)) + 8) >> 4; } } } @@ -1208,7 +1208,8 @@ void DecompressBlock(ivec3 coord) { texel_flag = true; // use texel "vector" and bit stream in integer decoding DecodeIntegerSequence(params.max_weight, GetNumWeightValues(params.size, params.dual_plane)); - UnquantizeTexelWeights(params.dual_plane, params.size); + uint unquantized_texel_weights[2 * 144]; + UnquantizeTexelWeights(params.dual_plane, params.size, unquantized_texel_weights); for (uint j = 0; j < block_dims.y; j++) { for (uint i = 0; i < block_dims.x; i++) { @@ -1220,10 +1221,10 @@ void DecompressBlock(ivec3 coord) { const uvec4 C0 = ReplicateByteTo16(endpoints[local_partition][0]); const uvec4 C1 = ReplicateByteTo16(endpoints[local_partition][1]); const uint weight_offset = (j * block_dims.x + i); - const uint primary_weight = unquantized_texel_weights[weight_offset][0]; + const uint primary_weight = unquantized_texel_weights[weight_offset]; uvec4 weight_vec = uvec4(primary_weight); if (params.dual_plane) { - const uint secondary_weight = unquantized_texel_weights[weight_offset][1]; + const uint secondary_weight = unquantized_texel_weights[weight_offset + 144]; 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; |