diff options
Diffstat (limited to 'src/video_core/textures/astc.cpp')
| -rw-r--r-- | src/video_core/textures/astc.cpp | 58 |
1 files changed, 28 insertions, 30 deletions
diff --git a/src/video_core/textures/astc.cpp b/src/video_core/textures/astc.cpp index 365bde2f1..acd5bdd78 100644 --- a/src/video_core/textures/astc.cpp +++ b/src/video_core/textures/astc.cpp @@ -18,6 +18,7 @@ #include <algorithm> #include <cassert> #include <cstring> +#include <span> #include <vector> #include <boost/container/static_vector.hpp> @@ -600,7 +601,7 @@ static TexelWeightParams DecodeBlockInfo(InputBitStream& strm) { return params; } -static void FillVoidExtentLDR(InputBitStream& strm, u32* const outBuf, u32 blockWidth, +static void FillVoidExtentLDR(InputBitStream& strm, std::span<u32> outBuf, u32 blockWidth, u32 blockHeight) { // Don't actually care about the void extent, just read the bits... for (s32 i = 0; i < 4; ++i) { @@ -623,7 +624,7 @@ static void FillVoidExtentLDR(InputBitStream& strm, u32* const outBuf, u32 block } } -static void FillError(u32* outBuf, u32 blockWidth, u32 blockHeight) { +static void FillError(std::span<u32> outBuf, u32 blockWidth, u32 blockHeight) { for (u32 j = 0; j < blockHeight; j++) { for (u32 i = 0; i < blockWidth; i++) { outBuf[j * blockWidth + i] = 0xFFFF00FF; @@ -1438,9 +1439,9 @@ static void ComputeEndpos32s(Pixel& ep1, Pixel& ep2, const u32*& colorValues, #undef READ_INT_VALUES } -static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 blockHeight, - u32* outBuf) { - InputBitStream strm(inBuf); +static void DecompressBlock(std::span<const u8, 16> inBuf, const u32 blockWidth, + const u32 blockHeight, std::span<u32, 12 * 12> outBuf) { + InputBitStream strm(inBuf.data()); TexelWeightParams weightParams = DecodeBlockInfo(strm); // Was there an error? @@ -1601,8 +1602,8 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 } // Read the texel weight data.. - u8 texelWeightData[16]; - memcpy(texelWeightData, inBuf, sizeof(texelWeightData)); + std::array<u8, 16> texelWeightData; + std::ranges::copy(inBuf, texelWeightData.begin()); // Reverse everything for (u32 i = 0; i < 8; i++) { @@ -1618,14 +1619,15 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 // Make sure that higher non-texel bits are set to zero const u32 clearByteStart = (weightParams.GetPackedBitSize() >> 3) + 1; - texelWeightData[clearByteStart - 1] = - texelWeightData[clearByteStart - 1] & - static_cast<u8>((1 << (weightParams.GetPackedBitSize() % 8)) - 1); - memset(texelWeightData + clearByteStart, 0, 16 - clearByteStart); + if (clearByteStart > 0) { + texelWeightData[clearByteStart - 1] &= + static_cast<u8>((1 << (weightParams.GetPackedBitSize() % 8)) - 1); + } + std::memset(texelWeightData.data() + clearByteStart, 0, std::min(16U - clearByteStart, 16U)); IntegerEncodedVector texelWeightValues; - InputBitStream weightStream(texelWeightData); + InputBitStream weightStream(texelWeightData.data()); DecodeIntegerSequence(texelWeightValues, weightStream, weightParams.m_MaxWeight, weightParams.GetNumWeightValues()); @@ -1672,36 +1674,32 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 namespace Tegra::Texture::ASTC { -std::vector<u8> Decompress(const u8* data, u32 width, u32 height, u32 depth, u32 block_width, - u32 block_height) { - u32 blockIdx = 0; +void Decompress(std::span<const uint8_t> data, uint32_t width, uint32_t height, uint32_t depth, + uint32_t block_width, uint32_t block_height, std::span<uint8_t> output) { + u32 block_index = 0; std::size_t depth_offset = 0; - std::vector<u8> outData(height * width * depth * 4); - for (u32 k = 0; k < depth; k++) { - for (u32 j = 0; j < height; j += block_height) { - for (u32 i = 0; i < width; i += block_width) { - - const u8* blockPtr = data + blockIdx * 16; + for (u32 z = 0; z < depth; z++) { + for (u32 y = 0; y < height; y += block_height) { + for (u32 x = 0; x < width; x += block_width) { + const std::span<const u8, 16> blockPtr{data.subspan(block_index * 16, 16)}; // Blocks can be at most 12x12 - u32 uncompData[144]; + std::array<u32, 12 * 12> uncompData; ASTCC::DecompressBlock(blockPtr, block_width, block_height, uncompData); - u32 decompWidth = std::min(block_width, width - i); - u32 decompHeight = std::min(block_height, height - j); + u32 decompWidth = std::min(block_width, width - x); + u32 decompHeight = std::min(block_height, height - y); - u8* outRow = depth_offset + outData.data() + (j * width + i) * 4; + const std::span<u8> outRow = output.subspan(depth_offset + (y * width + x) * 4); for (u32 jj = 0; jj < decompHeight; jj++) { - memcpy(outRow + jj * width * 4, uncompData + jj * block_width, decompWidth * 4); + std::memcpy(outRow.data() + jj * width * 4, + uncompData.data() + jj * block_width, decompWidth * 4); } - - blockIdx++; + ++block_index; } } depth_offset += height * width * 4; } - - return outData; } } // namespace Tegra::Texture::ASTC |