From 430255caf86afdce8475898d5a34dce38f955ecf Mon Sep 17 00:00:00 2001 From: yzct12345 <87620833+yzct12345@users.noreply.github.com> Date: Thu, 12 Aug 2021 04:45:25 +0000 Subject: [PATCH] decoders: Templates allow memcpy optimizations --- src/video_core/textures/decoders.cpp | 235 +++++++++++++++++---------- 1 file changed, 147 insertions(+), 88 deletions(-) diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp index c32ae956a..c010b9353 100644 --- a/src/video_core/textures/decoders.cpp +++ b/src/video_core/textures/decoders.cpp @@ -84,34 +84,107 @@ template void Swizzle(std::span output, std::span input, u32 bytes_per_pixel, u32 width, u32 height, u32 depth, u32 block_height, u32 block_depth, u32 stride_alignment) { switch (bytes_per_pixel) { - case 1: - return SwizzleImpl(output, input, width, height, depth, block_height, +#define BPP_CASE(x) \ + case x: \ + return SwizzleImpl(output, input, width, height, depth, block_height, \ block_depth, stride_alignment); - case 2: - return SwizzleImpl(output, input, width, height, depth, block_height, - block_depth, stride_alignment); - case 3: - return SwizzleImpl(output, input, width, height, depth, block_height, - block_depth, stride_alignment); - case 4: - return SwizzleImpl(output, input, width, height, depth, block_height, - block_depth, stride_alignment); - case 6: - return SwizzleImpl(output, input, width, height, depth, block_height, - block_depth, stride_alignment); - case 8: - return SwizzleImpl(output, input, width, height, depth, block_height, - block_depth, stride_alignment); - case 12: - return SwizzleImpl(output, input, width, height, depth, block_height, - block_depth, stride_alignment); - case 16: - return SwizzleImpl(output, input, width, height, depth, block_height, - block_depth, stride_alignment); + BPP_CASE(1) + BPP_CASE(2) + BPP_CASE(3) + BPP_CASE(4) + BPP_CASE(6) + BPP_CASE(8) + BPP_CASE(12) + BPP_CASE(16) +#undef BPP_CASE default: UNREACHABLE_MSG("Invalid bytes_per_pixel={}", bytes_per_pixel); } } + +template +void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width, + u8* swizzled_data, const u8* unswizzled_data, u32 block_height_bit, + u32 offset_x, u32 offset_y) { + const u32 block_height = 1U << block_height_bit; + const u32 image_width_in_gobs = + (swizzled_width * BYTES_PER_PIXEL + (GOB_SIZE_X - 1)) / GOB_SIZE_X; + for (u32 line = 0; line < subrect_height; ++line) { + const u32 dst_y = line + offset_y; + 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 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 unswizzled_offset = line * source_pitch + x * BYTES_PER_PIXEL; + + const u8* const source_line = unswizzled_data + unswizzled_offset; + u8* const dest_addr = swizzled_data + swizzled_offset; + std::memcpy(dest_addr, source_line, BYTES_PER_PIXEL); + } + } +} + +template +void UnswizzleSubrect(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 block_height, + u32 origin_x, u32 origin_y, u8* output, const u8* input) { + const u32 stride = width * BYTES_PER_PIXEL; + const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) / GOB_SIZE_X; + const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block_height); + + const u32 block_height_mask = (1U << block_height) - 1; + const u32 x_shift = GOB_SIZE_SHIFT + block_height; + + 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 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) { + 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 unswizzled_offset = line * pitch + column * BYTES_PER_PIXEL; + + std::memcpy(output + unswizzled_offset, input + swizzled_offset, BYTES_PER_PIXEL); + } + } +} + +template +void SwizzleSliceToVoxel(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 height, + u32 block_height, u32 block_depth, u32 origin_x, u32 origin_y, u8* output, + const u8* input) { + UNIMPLEMENTED_IF(origin_x > 0); + UNIMPLEMENTED_IF(origin_y > 0); + + const u32 stride = width * BYTES_PER_PIXEL; + const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) / GOB_SIZE_X; + const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block_height + block_depth); + + const u32 block_height_mask = (1U << block_height) - 1; + const u32 x_shift = static_cast(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 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) { + const u32 dst_offset = + ((x / GOB_SIZE_X) << x_shift) + dst_offset_y + table[x % GOB_SIZE_X]; + const u32 src_offset = x * BYTES_PER_PIXEL + line * pitch; + std::memcpy(output + dst_offset, input + src_offset, BYTES_PER_PIXEL); + } + } +} } // Anonymous namespace void UnswizzleTexture(std::span output, std::span input, u32 bytes_per_pixel, @@ -131,81 +204,67 @@ void SwizzleTexture(std::span output, std::span input, u32 bytes_p void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width, u32 bytes_per_pixel, u8* swizzled_data, const u8* unswizzled_data, u32 block_height_bit, u32 offset_x, u32 offset_y) { - const u32 block_height = 1U << block_height_bit; - const u32 image_width_in_gobs = - (swizzled_width * bytes_per_pixel + (GOB_SIZE_X - 1)) / GOB_SIZE_X; - for (u32 line = 0; line < subrect_height; ++line) { - const u32 dst_y = line + offset_y; - 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 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 unswizzled_offset = line * source_pitch + x * bytes_per_pixel; - - const u8* const source_line = unswizzled_data + unswizzled_offset; - u8* const dest_addr = swizzled_data + swizzled_offset; - std::memcpy(dest_addr, source_line, bytes_per_pixel); - } + switch (bytes_per_pixel) { +#define BPP_CASE(x) \ + case x: \ + return SwizzleSubrect(subrect_width, subrect_height, source_pitch, swizzled_width, \ + swizzled_data, unswizzled_data, block_height_bit, offset_x, \ + offset_y); + BPP_CASE(1) + BPP_CASE(2) + BPP_CASE(3) + BPP_CASE(4) + BPP_CASE(6) + BPP_CASE(8) + BPP_CASE(12) + BPP_CASE(16) +#undef BPP_CASE + default: + UNREACHABLE_MSG("Invalid bytes_per_pixel={}", bytes_per_pixel); } } void UnswizzleSubrect(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 bytes_per_pixel, u32 block_height, u32 origin_x, u32 origin_y, u8* output, const u8* input) { - const u32 stride = width * bytes_per_pixel; - const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) / GOB_SIZE_X; - const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block_height); - - const u32 block_height_mask = (1U << block_height) - 1; - const u32 x_shift = GOB_SIZE_SHIFT + block_height; - - 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 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) { - 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 unswizzled_offset = line * pitch + column * bytes_per_pixel; - - std::memcpy(output + unswizzled_offset, input + swizzled_offset, bytes_per_pixel); - } + switch (bytes_per_pixel) { +#define BPP_CASE(x) \ + case x: \ + return UnswizzleSubrect(line_length_in, line_count, pitch, width, block_height, \ + origin_x, origin_y, output, input); + BPP_CASE(1) + BPP_CASE(2) + BPP_CASE(3) + BPP_CASE(4) + BPP_CASE(6) + BPP_CASE(8) + BPP_CASE(12) + BPP_CASE(16) +#undef BPP_CASE + default: + UNREACHABLE_MSG("Invalid bytes_per_pixel={}", bytes_per_pixel); } } void SwizzleSliceToVoxel(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 height, u32 bytes_per_pixel, u32 block_height, u32 block_depth, u32 origin_x, u32 origin_y, u8* output, const u8* input) { - UNIMPLEMENTED_IF(origin_x > 0); - UNIMPLEMENTED_IF(origin_y > 0); - - const u32 stride = width * bytes_per_pixel; - const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) / GOB_SIZE_X; - const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block_height + block_depth); - - const u32 block_height_mask = (1U << block_height) - 1; - const u32 x_shift = static_cast(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 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) { - const u32 dst_offset = - ((x / GOB_SIZE_X) << x_shift) + dst_offset_y + table[x % GOB_SIZE_X]; - const u32 src_offset = x * bytes_per_pixel + line * pitch; - std::memcpy(output + dst_offset, input + src_offset, bytes_per_pixel); - } + switch (bytes_per_pixel) { +#define BPP_CASE(x) \ + case x: \ + return SwizzleSliceToVoxel(line_length_in, line_count, pitch, width, height, \ + block_height, block_depth, origin_x, origin_y, output, \ + input); + BPP_CASE(1) + BPP_CASE(2) + BPP_CASE(3) + BPP_CASE(4) + BPP_CASE(6) + BPP_CASE(8) + BPP_CASE(12) + BPP_CASE(16) +#undef BPP_CASE + default: + UNREACHABLE_MSG("Invalid bytes_per_pixel={}", bytes_per_pixel); } } @@ -228,7 +287,7 @@ void SwizzleKepler(const u32 width, const u32 height, const u32 dst_x, const u32 u8* dest_addr = swizzle_data + swizzled_offset; count++; - std::memcpy(dest_addr, source_line, 1); + *dest_addr = *source_line; } } }