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Merge pull request #4453 from ReinUsesLisp/block-to-linear

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textures/decoders: Fix block linear to pitch copies
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bunnei 2020-08-14 19:52:12 -04:00 committed by GitHub
commit 2dace90346
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 34 additions and 34 deletions
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21
src/video_core/engines/maxwell_dma.cpp
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@ -94,7 +94,8 @@ void MaxwellDMA::CopyPitchToPitch() {
}
void MaxwellDMA::CopyBlockLinearToPitch() {
ASSERT(regs.src_params.block_size.depth == 0);
UNIMPLEMENTED_IF(regs.src_params.block_size.depth != 0);
UNIMPLEMENTED_IF(regs.src_params.layer != 0);
// Optimized path for micro copies.
const size_t dst_size = static_cast<size_t>(regs.pitch_out) * regs.line_count;
@ -123,17 +124,12 @@ void MaxwellDMA::CopyBlockLinearToPitch() {
write_buffer.resize(dst_size);
}
if (Settings::IsGPULevelExtreme()) {
memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);
} else {
memory_manager.ReadBlockUnsafe(regs.offset_in, read_buffer.data(), src_size);
memory_manager.ReadBlockUnsafe(regs.offset_out, write_buffer.data(), dst_size);
}
memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);
UnswizzleSubrect(regs.line_length_in, regs.line_count, regs.pitch_out, width, bytes_per_pixel,
read_buffer.data() + src_layer_size * src_params.layer, write_buffer.data(),
block_height, src_params.origin.x, src_params.origin.y);
block_height, src_params.origin.x, src_params.origin.y, write_buffer.data(),
read_buffer.data());
memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
}
@ -198,7 +194,6 @@ void MaxwellDMA::FastCopyBlockLinearToPitch() {
if (read_buffer.size() < src_size) {
read_buffer.resize(src_size);
}
if (write_buffer.size() < dst_size) {
write_buffer.resize(dst_size);
}
@ -212,8 +207,8 @@ void MaxwellDMA::FastCopyBlockLinearToPitch() {
}
UnswizzleSubrect(regs.line_length_in, regs.line_count, regs.pitch_out, regs.src_params.width,
bytes_per_pixel, read_buffer.data(), write_buffer.data(),
regs.src_params.block_size.height, pos_x, pos_y);
bytes_per_pixel, regs.src_params.block_size.height, pos_x, pos_y,
write_buffer.data(), read_buffer.data());
memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
}

42
src/video_core/textures/decoders.cpp
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@ -228,24 +228,30 @@ void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32
}
}
void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 swizzled_width,
u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data,
u32 block_height_bit, u32 offset_x, u32 offset_y) {
const u32 block_height = 1U << block_height_bit;
for (u32 line = 0; line < subrect_height; ++line) {
const u32 y2 = line + offset_y;
const u32 gob_address_y = (y2 / (GOB_SIZE_Y * block_height)) * GOB_SIZE * block_height +
((y2 % (GOB_SIZE_Y * block_height)) / GOB_SIZE_Y) * GOB_SIZE;
const auto& table = LEGACY_SWIZZLE_TABLE[y2 % GOB_SIZE_Y];
for (u32 x = 0; x < subrect_width; ++x) {
const u32 x2 = (x + offset_x) * bytes_per_pixel;
const u32 gob_address = gob_address_y + (x2 / GOB_SIZE_X) * GOB_SIZE * block_height;
const u32 swizzled_offset = gob_address + table[x2 % GOB_SIZE_X];
const u32 unswizzled_offset = line * dest_pitch + x * bytes_per_pixel;
u8* dest_line = unswizzled_data + unswizzled_offset;
u8* source_addr = swizzled_data + swizzled_offset;
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);
std::memcpy(dest_line, source_addr, bytes_per_pixel);
const u32 block_height_mask = (1U << block_height) - 1;
const u32 x_shift = static_cast<u32>(GOB_SIZE_SHIFT) + block_height;
for (u32 line = 0; line < line_count; ++line) {
const u32 src_y = line + origin_y;
const auto& table = LEGACY_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);
}
}
}
@ -261,7 +267,7 @@ void SwizzleSliceToVoxel(u32 line_length_in, u32 line_count, u32 pitch, u32 widt
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 = Common::CountTrailingZeroes32(GOB_SIZE << (block_height + block_depth));
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 = LEGACY_SWIZZLE_TABLE[line % GOB_SIZE_Y];

5
src/video_core/textures/decoders.h
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@ -48,9 +48,8 @@ void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32
u32 block_height_bit, u32 offset_x, u32 offset_y);
/// Copies a tiled subrectangle into a linear surface.
void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 swizzled_width,
u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height,
u32 offset_x, u32 offset_y);
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);
/// @brief Swizzles a 2D array of pixels into a 3D texture
/// @param line_length_in Number of pixels per line