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Merge pull request #8849 from Morph1984/parallel-astc
astc: Enable parallel CPU astc decoding
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commit
8d4458ef24
@ -13,7 +13,9 @@
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#include <boost/container/static_vector.hpp>
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#include <boost/container/static_vector.hpp>
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#include "common/alignment.h"
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#include "common/common_types.h"
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#include "common/common_types.h"
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#include "common/thread_worker.h"
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#include "video_core/textures/astc.h"
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#include "video_core/textures/astc.h"
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class InputBitStream {
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class InputBitStream {
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@ -1650,11 +1652,22 @@ static void DecompressBlock(std::span<const u8, 16> inBuf, const u32 blockWidth,
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void Decompress(std::span<const uint8_t> data, uint32_t width, uint32_t height, uint32_t depth,
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void Decompress(std::span<const uint8_t> data, uint32_t width, uint32_t height, uint32_t depth,
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uint32_t block_width, uint32_t block_height, std::span<uint8_t> output) {
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uint32_t block_width, uint32_t block_height, std::span<uint8_t> output) {
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u32 block_index = 0;
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const u32 rows = Common::DivideUp(height, block_height);
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std::size_t depth_offset = 0;
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const u32 cols = Common::DivideUp(width, block_width);
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for (u32 z = 0; z < depth; z++) {
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for (u32 y = 0; y < height; y += block_height) {
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Common::ThreadWorker workers{std::max(std::thread::hardware_concurrency(), 2U) / 2,
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for (u32 x = 0; x < width; x += block_width) {
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"yuzu:ASTCDecompress"};
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for (u32 z = 0; z < depth; ++z) {
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const u32 depth_offset = z * height * width * 4;
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for (u32 y_index = 0; y_index < rows; ++y_index) {
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auto decompress_stride = [data, width, height, depth, block_width, block_height, output,
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rows, cols, z, depth_offset, y_index] {
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const u32 y = y_index * block_height;
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for (u32 x_index = 0; x_index < cols; ++x_index) {
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const u32 block_index = (z * rows * cols) + (y_index * cols) + x_index;
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const u32 x = x_index * block_width;
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const std::span<const u8, 16> blockPtr{data.subspan(block_index * 16, 16)};
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const std::span<const u8, 16> blockPtr{data.subspan(block_index * 16, 16)};
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// Blocks can be at most 12x12
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// Blocks can be at most 12x12
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@ -1665,14 +1678,15 @@ void Decompress(std::span<const uint8_t> data, uint32_t width, uint32_t height,
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u32 decompHeight = std::min(block_height, height - y);
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u32 decompHeight = std::min(block_height, height - y);
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const std::span<u8> outRow = output.subspan(depth_offset + (y * width + x) * 4);
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const std::span<u8> outRow = output.subspan(depth_offset + (y * width + x) * 4);
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for (u32 jj = 0; jj < decompHeight; jj++) {
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for (u32 h = 0; h < decompHeight; ++h) {
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std::memcpy(outRow.data() + jj * width * 4,
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std::memcpy(outRow.data() + h * width * 4,
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uncompData.data() + jj * block_width, decompWidth * 4);
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uncompData.data() + h * block_width, decompWidth * 4);
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}
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++block_index;
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}
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}
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}
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}
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depth_offset += height * width * 4;
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};
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workers.QueueWork(std::move(decompress_stride));
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}
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workers.WaitForRequests();
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}
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}
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}
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}
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