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Merge pull request #5357 from ReinUsesLisp/alignment-log2
common/alignment: Rename AlignBits to AlignUpLog2 and use constraints
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commit
9754a8145c
@ -9,50 +9,45 @@
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namespace Common {
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template <typename T>
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[[nodiscard]] constexpr T AlignUp(T value, std::size_t size) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUp(T value, size_t size) {
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auto mod{static_cast<T>(value % size)};
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value -= mod;
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return static_cast<T>(mod == T{0} ? value : value + size);
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}
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template <typename T>
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[[nodiscard]] constexpr T AlignDown(T value, std::size_t size) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUpLog2(T value, size_t align_log2) {
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return static_cast<T>((value + ((1ULL << align_log2) - 1)) >> align_log2 << align_log2);
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}
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template <typename T>
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requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignDown(T value, size_t size) {
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return static_cast<T>(value - value % size);
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}
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template <typename T>
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[[nodiscard]] constexpr T AlignBits(T value, std::size_t align) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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return static_cast<T>((value + ((1ULL << align) - 1)) >> align << align);
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}
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template <typename T>
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[[nodiscard]] constexpr bool Is4KBAligned(T value) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool Is4KBAligned(T value) {
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return (value & 0xFFF) == 0;
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}
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template <typename T>
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[[nodiscard]] constexpr bool IsWordAligned(T value) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool IsWordAligned(T value) {
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return (value & 0b11) == 0;
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}
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template <typename T>
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[[nodiscard]] constexpr bool IsAligned(T value, std::size_t alignment) {
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using U = typename std::make_unsigned<T>::type;
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requires std::is_integral_v<T>[[nodiscard]] constexpr bool IsAligned(T value, size_t alignment) {
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using U = typename std::make_unsigned_t<T>;
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const U mask = static_cast<U>(alignment - 1);
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return (value & mask) == 0;
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}
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template <typename T, std::size_t Align = 16>
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template <typename T, size_t Align = 16>
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class AlignmentAllocator {
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public:
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using value_type = T;
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using size_type = std::size_t;
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using difference_type = std::ptrdiff_t;
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using size_type = size_t;
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using difference_type = ptrdiff_t;
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using propagate_on_container_copy_assignment = std::true_type;
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using propagate_on_container_move_assignment = std::true_type;
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@ -27,7 +27,7 @@ BlockLinearSwizzle2DParams MakeBlockLinearSwizzle2DParams(const SwizzleParameter
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const Extent3D num_tiles = swizzle.num_tiles;
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const u32 bytes_per_block = BytesPerBlock(info.format);
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const u32 stride_alignment = CalculateLevelStrideAlignment(info, swizzle.level);
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const u32 stride = Common::AlignBits(num_tiles.width, stride_alignment) * bytes_per_block;
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const u32 stride = Common::AlignUpLog2(num_tiles.width, stride_alignment) * bytes_per_block;
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const u32 gobs_in_x = Common::DivCeilLog2(stride, GOB_SIZE_X_SHIFT);
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return BlockLinearSwizzle2DParams{
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.origin{0, 0, 0},
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@ -47,7 +47,7 @@ BlockLinearSwizzle3DParams MakeBlockLinearSwizzle3DParams(const SwizzleParameter
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const Extent3D num_tiles = swizzle.num_tiles;
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const u32 bytes_per_block = BytesPerBlock(info.format);
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const u32 stride_alignment = CalculateLevelStrideAlignment(info, swizzle.level);
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const u32 stride = Common::AlignBits(num_tiles.width, stride_alignment) * bytes_per_block;
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const u32 stride = Common::AlignUpLog2(num_tiles.width, stride_alignment) * bytes_per_block;
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const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) >> GOB_SIZE_X_SHIFT;
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const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block.height + block.depth);
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@ -279,7 +279,7 @@ template <u32 GOB_EXTENT>
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const bool is_small = IsSmallerThanGobSize(blocks, gob, info.block.depth);
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const u32 alignment = is_small ? 0 : info.tile_width_spacing;
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return Extent2D{
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.width = Common::AlignBits(gobs.width, alignment),
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.width = Common::AlignUpLog2(gobs.width, alignment),
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.height = gobs.height,
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};
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}
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@ -352,7 +352,7 @@ template <u32 GOB_EXTENT>
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// https://github.com/Ryujinx/Ryujinx/blob/1c9aba6de1520aea5480c032e0ff5664ac1bb36f/Ryujinx.Graphics.Texture/SizeCalculator.cs#L134
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if (tile_width_spacing > 0) {
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const u32 alignment_log2 = GOB_SIZE_SHIFT + tile_width_spacing + block.height + block.depth;
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return Common::AlignBits(size_bytes, alignment_log2);
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return Common::AlignUpLog2(size_bytes, alignment_log2);
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}
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const u32 aligned_height = Common::AlignUp(size.height, tile_size_y);
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while (block.height != 0 && aligned_height <= (1U << (block.height - 1)) * GOB_SIZE_Y) {
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@ -528,9 +528,9 @@ template <u32 GOB_EXTENT>
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const u32 alignment = StrideAlignment(num_tiles, info.block, bpp_log2, info.tile_width_spacing);
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const Extent3D mip_block = AdjustMipBlockSize(num_tiles, info.block, 0);
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return Extent3D{
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.width = Common::AlignBits(num_tiles.width, alignment),
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.height = Common::AlignBits(num_tiles.height, GOB_SIZE_Y_SHIFT + mip_block.height),
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.depth = Common::AlignBits(num_tiles.depth, GOB_SIZE_Z_SHIFT + mip_block.depth),
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.width = Common::AlignUpLog2(num_tiles.width, alignment),
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.height = Common::AlignUpLog2(num_tiles.height, GOB_SIZE_Y_SHIFT + mip_block.height),
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.depth = Common::AlignUpLog2(num_tiles.depth, GOB_SIZE_Z_SHIFT + mip_block.depth),
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};
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}
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@ -49,7 +49,7 @@ void Swizzle(std::span<u8> output, std::span<const u8> input, u32 bytes_per_pixe
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// We can configure here a custom pitch
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// As it's not exposed 'width * bpp' will be the expected pitch.
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const u32 pitch = width * bytes_per_pixel;
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const u32 stride = Common::AlignBits(width, stride_alignment) * bytes_per_pixel;
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const u32 stride = Common::AlignUpLog2(width, stride_alignment) * bytes_per_pixel;
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const u32 gobs_in_x = Common::DivCeilLog2(stride, GOB_SIZE_X_SHIFT);
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const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block_height + block_depth);
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@ -217,9 +217,9 @@ void SwizzleKepler(const u32 width, const u32 height, const u32 dst_x, const u32
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std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height, u32 depth,
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u32 block_height, u32 block_depth) {
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if (tiled) {
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const u32 aligned_width = Common::AlignBits(width * bytes_per_pixel, GOB_SIZE_X_SHIFT);
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const u32 aligned_height = Common::AlignBits(height, GOB_SIZE_Y_SHIFT + block_height);
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const u32 aligned_depth = Common::AlignBits(depth, GOB_SIZE_Z_SHIFT + block_depth);
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const u32 aligned_width = Common::AlignUpLog2(width * bytes_per_pixel, GOB_SIZE_X_SHIFT);
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const u32 aligned_height = Common::AlignUpLog2(height, GOB_SIZE_Y_SHIFT + block_height);
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const u32 aligned_depth = Common::AlignUpLog2(depth, GOB_SIZE_Z_SHIFT + block_depth);
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return aligned_width * aligned_height * aligned_depth;
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} else {
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return width * height * depth * bytes_per_pixel;
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