diff options
| -rw-r--r-- | src/video_core/engines/maxwell_dma.cpp | 67 | ||||
| -rw-r--r-- | src/video_core/engines/maxwell_dma.h | 3 |
2 files changed, 69 insertions, 1 deletions
diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp index 1bf6ca2dd..334429514 100644 --- a/src/video_core/engines/maxwell_dma.cpp +++ b/src/video_core/engines/maxwell_dma.cpp @@ -62,7 +62,8 @@ void MaxwellDMA::Launch() { if (!is_src_pitch && !is_dst_pitch) { // If both the source and the destination are in block layout, assert. - UNIMPLEMENTED_MSG("Tiled->Tiled DMA transfers are not yet implemented"); + CopyBlockLinearToBlockLinear(); + ReleaseSemaphore(); return; } @@ -291,6 +292,70 @@ void MaxwellDMA::FastCopyBlockLinearToPitch() { memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size); } +void MaxwellDMA::CopyBlockLinearToBlockLinear() { + UNIMPLEMENTED_IF(regs.src_params.block_size.width != 0); + + const bool is_remapping = regs.launch_dma.remap_enable != 0; + + // Deswizzle the input and copy it over. + const Parameters& src = regs.src_params; + const Parameters& dst = regs.dst_params; + + const u32 num_remap_components = regs.remap_const.num_dst_components_minus_one + 1; + const u32 remap_components_size = regs.remap_const.component_size_minus_one + 1; + + const u32 base_bpp = !is_remapping ? 1U : num_remap_components * remap_components_size; + + u32 src_width = src.width; + u32 dst_width = dst.width; + u32 x_elements = regs.line_length_in; + u32 src_x_offset = src.origin.x; + u32 dst_x_offset = dst.origin.x; + u32 bpp_shift = 0U; + if (!is_remapping) { + bpp_shift = Common::FoldRight( + 4U, [](u32 x, u32 y) { return std::min(x, static_cast<u32>(std::countr_zero(y))); }, + src_width, dst_width, x_elements, src_x_offset, dst_x_offset, + static_cast<u32>(regs.offset_in), static_cast<u32>(regs.offset_out)); + src_width >>= bpp_shift; + dst_width >>= bpp_shift; + x_elements >>= bpp_shift; + src_x_offset >>= bpp_shift; + dst_x_offset >>= bpp_shift; + } + + const u32 bytes_per_pixel = base_bpp << bpp_shift; + const size_t src_size = CalculateSize(true, bytes_per_pixel, src_width, src.height, src.depth, + src.block_size.height, src.block_size.depth); + const size_t dst_size = CalculateSize(true, bytes_per_pixel, dst_width, dst.height, dst.depth, + dst.block_size.height, dst.block_size.depth); + + const u32 pitch = x_elements * bytes_per_pixel; + const size_t mid_buffer_size = pitch * regs.line_count; + + if (read_buffer.size() < src_size) { + read_buffer.resize(src_size); + } + if (write_buffer.size() < dst_size) { + write_buffer.resize(dst_size); + } + + intermediate_buffer.resize(mid_buffer_size); + + memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size); + memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size); + + UnswizzleSubrect(intermediate_buffer, read_buffer, bytes_per_pixel, src_width, src.height, + src.depth, src_x_offset, src.origin.y, x_elements, regs.line_count, + src.block_size.height, src.block_size.depth, pitch); + + SwizzleSubrect(write_buffer, intermediate_buffer, bytes_per_pixel, dst_width, dst.height, + dst.depth, dst_x_offset, dst.origin.y, x_elements, regs.line_count, + dst.block_size.height, dst.block_size.depth, pitch); + + memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size); +} + void MaxwellDMA::ReleaseSemaphore() { const auto type = regs.launch_dma.semaphore_type; const GPUVAddr address = regs.semaphore.address; diff --git a/src/video_core/engines/maxwell_dma.h b/src/video_core/engines/maxwell_dma.h index 953e34adc..d40d3d302 100644 --- a/src/video_core/engines/maxwell_dma.h +++ b/src/video_core/engines/maxwell_dma.h @@ -223,6 +223,8 @@ private: void CopyPitchToBlockLinear(); + void CopyBlockLinearToBlockLinear(); + void FastCopyBlockLinearToPitch(); void ReleaseSemaphore(); @@ -234,6 +236,7 @@ private: std::vector<u8> read_buffer; std::vector<u8> write_buffer; + std::vector<u8> intermediate_buffer; static constexpr std::size_t NUM_REGS = 0x800; struct Regs { |