diff options
| -rw-r--r-- | src/video_core/textures/decoders.cpp | 60 | ||||
| -rw-r--r-- | src/video_core/textures/decoders.h | 3 |
2 files changed, 48 insertions, 15 deletions
diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp index 9b6b8527b..913f8ebcb 100644 --- a/src/video_core/textures/decoders.cpp +++ b/src/video_core/textures/decoders.cpp @@ -15,6 +15,24 @@ namespace Tegra::Texture { namespace { +template <u32 mask> +constexpr u32 pdep(u32 value) { + u32 result = 0; + u32 m = mask; + for (u32 bit = 1; m; bit += bit) { + if (value & bit) + result |= m & -m; + m &= m - 1; + } + return result; +} + +template <u32 mask, u32 incr_amount> +void incrpdep(u32& value) { + constexpr u32 swizzled_incr = pdep<mask>(incr_amount); + value = ((value | ~mask) + swizzled_incr) & mask; +} + template <bool TO_LINEAR, u32 BYTES_PER_PIXEL> void SwizzleImpl(std::span<u8> output, std::span<const u8> input, u32 width, u32 height, u32 depth, u32 block_height, u32 block_depth, u32 stride_alignment) { @@ -44,18 +62,20 @@ void SwizzleImpl(std::span<u8> output, std::span<const u8> input, u32 width, u32 ((z & block_depth_mask) << (GOB_SIZE_SHIFT + block_height)); for (u32 line = 0; line < height; ++line) { const u32 y = line + origin_y; - const auto& table = SWIZZLE_TABLE[y % GOB_SIZE_Y]; + const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(y); const u32 block_y = y >> GOB_SIZE_Y_SHIFT; const u32 offset_y = (block_y >> block_height) * block_size + ((block_y & block_height_mask) << GOB_SIZE_SHIFT); - for (u32 column = 0; column < width; ++column) { + u32 swizzled_x = pdep<SWIZZLE_X_BITS>(origin_x * BYTES_PER_PIXEL); + for (u32 column = 0; column < width; + ++column, incrpdep<SWIZZLE_X_BITS, BYTES_PER_PIXEL>(swizzled_x)) { const u32 x = (column + origin_x) * BYTES_PER_PIXEL; const u32 offset_x = (x >> GOB_SIZE_X_SHIFT) << x_shift; const u32 base_swizzled_offset = offset_z + offset_y + offset_x; - const u32 swizzled_offset = base_swizzled_offset + table[x % GOB_SIZE_X]; + const u32 swizzled_offset = base_swizzled_offset + (swizzled_x | swizzled_y); const u32 unswizzled_offset = slice * pitch * height + line * pitch + column * BYTES_PER_PIXEL; @@ -103,12 +123,15 @@ void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 const u32 gob_address_y = (dst_y / (GOB_SIZE_Y * block_height)) * GOB_SIZE * block_height * image_width_in_gobs + ((dst_y % (GOB_SIZE_Y * block_height)) / GOB_SIZE_Y) * GOB_SIZE; - const auto& table = SWIZZLE_TABLE[dst_y % GOB_SIZE_Y]; - for (u32 x = 0; x < subrect_width; ++x) { + + const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(dst_y); + u32 swizzled_x = pdep<SWIZZLE_X_BITS>(offset_x * BYTES_PER_PIXEL); + for (u32 x = 0; x < subrect_width; + ++x, incrpdep<SWIZZLE_X_BITS, BYTES_PER_PIXEL>(swizzled_x)) { const u32 dst_x = x + offset_x; const u32 gob_address = gob_address_y + (dst_x * BYTES_PER_PIXEL / GOB_SIZE_X) * GOB_SIZE * block_height; - const u32 swizzled_offset = gob_address + table[(dst_x * BYTES_PER_PIXEL) % GOB_SIZE_X]; + const u32 swizzled_offset = gob_address + (swizzled_x | swizzled_y); const u32 unswizzled_offset = line * source_pitch + x * BYTES_PER_PIXEL; const u8* const source_line = unswizzled_data + unswizzled_offset; @@ -130,16 +153,19 @@ void UnswizzleSubrect(u32 line_length_in, u32 line_count, u32 pitch, u32 width, for (u32 line = 0; line < line_count; ++line) { const u32 src_y = line + origin_y; - const auto& table = SWIZZLE_TABLE[src_y % GOB_SIZE_Y]; + const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(src_y); const u32 block_y = src_y >> GOB_SIZE_Y_SHIFT; const u32 src_offset_y = (block_y >> block_height) * block_size + ((block_y & block_height_mask) << GOB_SIZE_SHIFT); - for (u32 column = 0; column < line_length_in; ++column) { + + u32 swizzled_x = pdep<SWIZZLE_X_BITS>(origin_x * BYTES_PER_PIXEL); + for (u32 column = 0; column < line_length_in; + ++column, incrpdep<SWIZZLE_X_BITS, BYTES_PER_PIXEL>(swizzled_x)) { const u32 src_x = (column + origin_x) * BYTES_PER_PIXEL; const u32 src_offset_x = (src_x >> GOB_SIZE_X_SHIFT) << x_shift; - const u32 swizzled_offset = src_offset_y + src_offset_x + table[src_x % GOB_SIZE_X]; + const u32 swizzled_offset = src_offset_y + src_offset_x + (swizzled_x | swizzled_y); const u32 unswizzled_offset = line * pitch + column * BYTES_PER_PIXEL; std::memcpy(output + unswizzled_offset, input + swizzled_offset, BYTES_PER_PIXEL); @@ -162,13 +188,15 @@ void SwizzleSliceToVoxel(u32 line_length_in, u32 line_count, u32 pitch, u32 widt const u32 x_shift = static_cast<u32>(GOB_SIZE_SHIFT) + block_height + block_depth; for (u32 line = 0; line < line_count; ++line) { - const auto& table = SWIZZLE_TABLE[line % GOB_SIZE_Y]; + const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(line); const u32 block_y = line / GOB_SIZE_Y; const u32 dst_offset_y = (block_y >> block_height) * block_size + (block_y & block_height_mask) * GOB_SIZE; - for (u32 x = 0; x < line_length_in; ++x) { + + u32 swizzled_x = 0; + for (u32 x = 0; x < line_length_in; ++x, incrpdep<SWIZZLE_X_BITS, 1>(swizzled_x)) { const u32 dst_offset = - ((x / GOB_SIZE_X) << x_shift) + dst_offset_y + table[x % GOB_SIZE_X]; + ((x / GOB_SIZE_X) << x_shift) + dst_offset_y + (swizzled_x | swizzled_y); const u32 src_offset = x * BYTES_PER_PIXEL + line * pitch; std::memcpy(output + dst_offset, input + src_offset, BYTES_PER_PIXEL); } @@ -267,11 +295,13 @@ void SwizzleKepler(const u32 width, const u32 height, const u32 dst_x, const u32 const std::size_t gob_address_y = (y / (GOB_SIZE_Y * block_height)) * GOB_SIZE * block_height * image_width_in_gobs + ((y % (GOB_SIZE_Y * block_height)) / GOB_SIZE_Y) * GOB_SIZE; - const auto& table = SWIZZLE_TABLE[y % GOB_SIZE_Y]; - for (std::size_t x = dst_x; x < width && count < copy_size; ++x) { + const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(static_cast<u32>(y)); + u32 swizzled_x = pdep<SWIZZLE_X_BITS>(dst_x); + for (std::size_t x = dst_x; x < width && count < copy_size; + ++x, incrpdep<SWIZZLE_X_BITS, 1>(swizzled_x)) { const std::size_t gob_address = gob_address_y + (x / GOB_SIZE_X) * GOB_SIZE * block_height; - const std::size_t swizzled_offset = gob_address + table[x % GOB_SIZE_X]; + const std::size_t swizzled_offset = gob_address + (swizzled_x | swizzled_y); const u8* source_line = source_data + count; u8* dest_addr = swizzle_data + swizzled_offset; count++; diff --git a/src/video_core/textures/decoders.h b/src/video_core/textures/decoders.h index 59dfd1621..31a11708f 100644 --- a/src/video_core/textures/decoders.h +++ b/src/video_core/textures/decoders.h @@ -20,6 +20,9 @@ constexpr u32 GOB_SIZE_Y_SHIFT = 3; constexpr u32 GOB_SIZE_Z_SHIFT = 0; constexpr u32 GOB_SIZE_SHIFT = GOB_SIZE_X_SHIFT + GOB_SIZE_Y_SHIFT + GOB_SIZE_Z_SHIFT; +constexpr u32 SWIZZLE_X_BITS = 0b100101111; +constexpr u32 SWIZZLE_Y_BITS = 0b011010000; + using SwizzleTable = std::array<std::array<u32, GOB_SIZE_X>, GOB_SIZE_Y>; /** |