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@ -89,6 +89,69 @@ void SwizzleImpl(std::span<u8> output, std::span<const u8> input, u32 width, u32
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}
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}
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template <bool TO_LINEAR, u32 BYTES_PER_PIXEL>
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void SwizzleSubrectImpl(std::span<u8> output, std::span<const u8> input, u32 width, u32 height,
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u32 depth, u32 origin_x, u32 origin_y, u32 extent_x, u32 num_lines,
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u32 block_height, u32 block_depth, u32 pitch_linear) {
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// The origin of the transformation can be configured here, leave it as zero as the current API
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// doesn't expose it.
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static constexpr u32 origin_z = 0;
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// We can configure here a custom pitch
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// As it's not exposed 'width * BYTES_PER_PIXEL' will be the expected pitch.
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const u32 pitch = pitch_linear;
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const u32 stride = Common::AlignUpLog2(width * BYTES_PER_PIXEL, GOB_SIZE_X_SHIFT);
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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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const u32 slice_size =
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Common::DivCeilLog2(height, block_height + GOB_SIZE_Y_SHIFT) * block_size;
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const u32 block_height_mask = (1U << block_height) - 1;
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const u32 block_depth_mask = (1U << block_depth) - 1;
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const u32 x_shift = GOB_SIZE_SHIFT + block_height + block_depth;
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u32 unprocessed_lines = num_lines;
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u32 extent_y = std::min(num_lines, height - origin_y);
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for (u32 slice = 0; slice < depth; ++slice) {
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const u32 z = slice + origin_z;
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const u32 offset_z = (z >> block_depth) * slice_size +
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((z & block_depth_mask) << (GOB_SIZE_SHIFT + block_height));
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const u32 lines_in_y = std::min(unprocessed_lines, extent_y);
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for (u32 line = 0; line < lines_in_y; ++line) {
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const u32 y = line + origin_y;
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const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(y);
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const u32 block_y = y >> GOB_SIZE_Y_SHIFT;
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const u32 offset_y = (block_y >> block_height) * block_size +
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((block_y & block_height_mask) << GOB_SIZE_SHIFT);
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u32 swizzled_x = pdep<SWIZZLE_X_BITS>(origin_x * BYTES_PER_PIXEL);
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for (u32 column = 0; column < extent_x;
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++column, incrpdep<SWIZZLE_X_BITS, BYTES_PER_PIXEL>(swizzled_x)) {
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const u32 x = (column + origin_x) * BYTES_PER_PIXEL;
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const u32 offset_x = (x >> GOB_SIZE_X_SHIFT) << x_shift;
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const u32 base_swizzled_offset = offset_z + offset_y + offset_x;
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const u32 swizzled_offset = base_swizzled_offset + (swizzled_x | swizzled_y);
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const u32 unswizzled_offset =
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slice * pitch * height + line * pitch + column * BYTES_PER_PIXEL;
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u8* const dst = &output[TO_LINEAR ? swizzled_offset : unswizzled_offset];
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const u8* const src = &input[TO_LINEAR ? unswizzled_offset : swizzled_offset];
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std::memcpy(dst, src, BYTES_PER_PIXEL);
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}
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}
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unprocessed_lines -= lines_in_y;
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if (unprocessed_lines == 0) {
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return;
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}
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}
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}
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template <bool TO_LINEAR>
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void Swizzle(std::span<u8> output, std::span<const u8> input, u32 bytes_per_pixel, u32 width,
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u32 height, u32 depth, u32 block_height, u32 block_depth, u32 stride_alignment) {
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@ -111,97 +174,6 @@ void Swizzle(std::span<u8> output, std::span<const u8> input, u32 bytes_per_pixe
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}
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}
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template <u32 BYTES_PER_PIXEL>
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void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width,
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u8* swizzled_data, const u8* unswizzled_data, u32 block_height_bit,
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u32 offset_x, u32 offset_y) {
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const u32 block_height = 1U << block_height_bit;
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const u32 image_width_in_gobs =
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(swizzled_width * BYTES_PER_PIXEL + (GOB_SIZE_X - 1)) / GOB_SIZE_X;
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for (u32 line = 0; line < subrect_height; ++line) {
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const u32 dst_y = line + offset_y;
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const u32 gob_address_y =
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(dst_y / (GOB_SIZE_Y * block_height)) * GOB_SIZE * block_height * image_width_in_gobs +
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((dst_y % (GOB_SIZE_Y * block_height)) / GOB_SIZE_Y) * GOB_SIZE;
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const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(dst_y);
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u32 swizzled_x = pdep<SWIZZLE_X_BITS>(offset_x * BYTES_PER_PIXEL);
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for (u32 x = 0; x < subrect_width;
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++x, incrpdep<SWIZZLE_X_BITS, BYTES_PER_PIXEL>(swizzled_x)) {
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const u32 dst_x = x + offset_x;
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const u32 gob_address =
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gob_address_y + (dst_x * BYTES_PER_PIXEL / GOB_SIZE_X) * GOB_SIZE * block_height;
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const u32 swizzled_offset = gob_address + (swizzled_x | swizzled_y);
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const u32 unswizzled_offset = line * source_pitch + x * BYTES_PER_PIXEL;
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const u8* const source_line = unswizzled_data + unswizzled_offset;
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u8* const dest_addr = swizzled_data + swizzled_offset;
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std::memcpy(dest_addr, source_line, BYTES_PER_PIXEL);
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}
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}
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}
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template <u32 BYTES_PER_PIXEL>
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void UnswizzleSubrect(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 block_height,
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u32 origin_x, u32 origin_y, u8* output, const u8* input) {
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const u32 stride = width * BYTES_PER_PIXEL;
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const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) / GOB_SIZE_X;
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const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block_height);
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const u32 block_height_mask = (1U << block_height) - 1;
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const u32 x_shift = GOB_SIZE_SHIFT + block_height;
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for (u32 line = 0; line < line_count; ++line) {
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const u32 src_y = line + origin_y;
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const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(src_y);
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const u32 block_y = src_y >> GOB_SIZE_Y_SHIFT;
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const u32 src_offset_y = (block_y >> block_height) * block_size +
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((block_y & block_height_mask) << GOB_SIZE_SHIFT);
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u32 swizzled_x = pdep<SWIZZLE_X_BITS>(origin_x * BYTES_PER_PIXEL);
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for (u32 column = 0; column < line_length_in;
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++column, incrpdep<SWIZZLE_X_BITS, BYTES_PER_PIXEL>(swizzled_x)) {
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const u32 src_x = (column + origin_x) * BYTES_PER_PIXEL;
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const u32 src_offset_x = (src_x >> GOB_SIZE_X_SHIFT) << x_shift;
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const u32 swizzled_offset = src_offset_y + src_offset_x + (swizzled_x | swizzled_y);
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const u32 unswizzled_offset = line * pitch + column * BYTES_PER_PIXEL;
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std::memcpy(output + unswizzled_offset, input + swizzled_offset, BYTES_PER_PIXEL);
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}
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}
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}
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template <u32 BYTES_PER_PIXEL>
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void SwizzleSliceToVoxel(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 height,
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u32 block_height, u32 block_depth, u32 origin_x, u32 origin_y, u8* output,
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const u8* input) {
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UNIMPLEMENTED_IF(origin_x > 0);
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UNIMPLEMENTED_IF(origin_y > 0);
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const u32 stride = width * BYTES_PER_PIXEL;
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const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) / GOB_SIZE_X;
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const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block_height + block_depth);
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const u32 block_height_mask = (1U << block_height) - 1;
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const u32 x_shift = static_cast<u32>(GOB_SIZE_SHIFT) + block_height + block_depth;
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for (u32 line = 0; line < line_count; ++line) {
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const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(line);
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const u32 block_y = line / GOB_SIZE_Y;
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const u32 dst_offset_y =
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(block_y >> block_height) * block_size + (block_y & block_height_mask) * GOB_SIZE;
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u32 swizzled_x = 0;
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for (u32 x = 0; x < line_length_in; ++x, incrpdep<SWIZZLE_X_BITS, 1>(swizzled_x)) {
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const u32 dst_offset =
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((x / GOB_SIZE_X) << x_shift) + dst_offset_y + (swizzled_x | swizzled_y);
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const u32 src_offset = x * BYTES_PER_PIXEL + line * pitch;
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std::memcpy(output + dst_offset, input + src_offset, BYTES_PER_PIXEL);
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}
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}
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}
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} // Anonymous namespace
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void UnswizzleTexture(std::span<u8> output, std::span<const u8> input, u32 bytes_per_pixel,
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@ -218,15 +190,15 @@ void SwizzleTexture(std::span<u8> output, std::span<const u8> input, u32 bytes_p
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stride_alignment);
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}
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void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width,
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u32 bytes_per_pixel, u8* swizzled_data, const u8* unswizzled_data,
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u32 block_height_bit, u32 offset_x, u32 offset_y) {
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void SwizzleSubrect(std::span<u8> output, std::span<const u8> input, u32 bytes_per_pixel, u32 width,
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u32 height, u32 depth, u32 origin_x, u32 origin_y, u32 extent_x, u32 extent_y,
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u32 block_height, u32 block_depth, u32 pitch_linear) {
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switch (bytes_per_pixel) {
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#define BPP_CASE(x) \
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case x: \
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return SwizzleSubrect<x>(subrect_width, subrect_height, source_pitch, swizzled_width, \
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swizzled_data, unswizzled_data, block_height_bit, offset_x, \
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offset_y);
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return SwizzleSubrectImpl<true, x>(output, input, width, height, depth, origin_x, \
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origin_y, extent_x, extent_y, block_height, \
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block_depth, pitch_linear);
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BPP_CASE(1)
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BPP_CASE(2)
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BPP_CASE(3)
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@ -241,13 +213,15 @@ void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32
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}
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}
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void UnswizzleSubrect(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 bytes_per_pixel,
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u32 block_height, u32 origin_x, u32 origin_y, u8* output, const u8* input) {
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void UnswizzleSubrect(std::span<u8> output, std::span<const u8> input, u32 bytes_per_pixel,
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u32 width, u32 height, u32 depth, u32 origin_x, u32 origin_y, u32 extent_x,
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u32 extent_y, u32 block_height, u32 block_depth, u32 pitch_linear) {
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switch (bytes_per_pixel) {
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#define BPP_CASE(x) \
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case x: \
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return UnswizzleSubrect<x>(line_length_in, line_count, pitch, width, block_height, \
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origin_x, origin_y, output, input);
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return SwizzleSubrectImpl<false, x>(output, input, width, height, depth, origin_x, \
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origin_y, extent_x, extent_y, block_height, \
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block_depth, pitch_linear);
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BPP_CASE(1)
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BPP_CASE(2)
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BPP_CASE(3)
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@ -262,55 +236,6 @@ void UnswizzleSubrect(u32 line_length_in, u32 line_count, u32 pitch, u32 width,
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}
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}
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void SwizzleSliceToVoxel(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 height,
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u32 bytes_per_pixel, u32 block_height, u32 block_depth, u32 origin_x,
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u32 origin_y, u8* output, const u8* input) {
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switch (bytes_per_pixel) {
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#define BPP_CASE(x) \
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case x: \
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return SwizzleSliceToVoxel<x>(line_length_in, line_count, pitch, width, height, \
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block_height, block_depth, origin_x, origin_y, output, \
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input);
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BPP_CASE(1)
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BPP_CASE(2)
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BPP_CASE(3)
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BPP_CASE(4)
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BPP_CASE(6)
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BPP_CASE(8)
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BPP_CASE(12)
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BPP_CASE(16)
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#undef BPP_CASE
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default:
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ASSERT_MSG(false, "Invalid bytes_per_pixel={}", bytes_per_pixel);
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}
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}
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void SwizzleKepler(const u32 width, const u32 height, const u32 dst_x, const u32 dst_y,
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const u32 block_height_bit, const std::size_t copy_size, const u8* source_data,
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u8* swizzle_data) {
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const u32 block_height = 1U << block_height_bit;
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const u32 image_width_in_gobs{(width + GOB_SIZE_X - 1) / GOB_SIZE_X};
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std::size_t count = 0;
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for (std::size_t y = dst_y; y < height && count < copy_size; ++y) {
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const std::size_t gob_address_y =
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(y / (GOB_SIZE_Y * block_height)) * GOB_SIZE * block_height * image_width_in_gobs +
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((y % (GOB_SIZE_Y * block_height)) / GOB_SIZE_Y) * GOB_SIZE;
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const u32 swizzled_y = pdep<SWIZZLE_Y_BITS>(static_cast<u32>(y));
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u32 swizzled_x = pdep<SWIZZLE_X_BITS>(dst_x);
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for (std::size_t x = dst_x; x < width && count < copy_size;
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++x, incrpdep<SWIZZLE_X_BITS, 1>(swizzled_x)) {
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const std::size_t gob_address =
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gob_address_y + (x / GOB_SIZE_X) * GOB_SIZE * block_height;
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const std::size_t swizzled_offset = gob_address + (swizzled_x | swizzled_y);
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const u8* source_line = source_data + count;
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u8* dest_addr = swizzle_data + swizzled_offset;
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count++;
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*dest_addr = *source_line;
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}
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}
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}
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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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bunnei
Fernando Sahmkow