From d03afd6f4b1b5ec36b40ea47f91623ecb19ba820 Mon Sep 17 00:00:00 2001 From: FengChen Date: Mon, 7 Nov 2022 22:20:35 +0800 Subject: [PATCH] video_core: Fix dma copy 1D random crash --- src/video_core/engines/maxwell_dma.cpp | 37 ++++++++++++++------------ 1 file changed, 20 insertions(+), 17 deletions(-) diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp index 4eb7a100d..54523a4b2 100644 --- a/src/video_core/engines/maxwell_dma.cpp +++ b/src/video_core/engines/maxwell_dma.cpp @@ -102,26 +102,29 @@ void MaxwellDMA::Launch() { const bool is_src_pitch = IsPitchKind(static_cast(src_kind)); const bool is_dst_pitch = IsPitchKind(static_cast(dst_kind)); if (!is_src_pitch && is_dst_pitch) { - std::vector tmp_buffer(regs.line_length_in); - std::vector dst_buffer(regs.line_length_in); - memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), - regs.line_length_in); - for (u32 offset = 0; offset < regs.line_length_in; ++offset) { - dst_buffer[offset] = - tmp_buffer[convert_linear_2_blocklinear_addr(regs.offset_in + offset) - - regs.offset_in]; + UNIMPLEMENTED_IF(regs.line_length_in % 16 != 0); + UNIMPLEMENTED_IF(regs.offset_in % 16 != 0); + UNIMPLEMENTED_IF(regs.offset_out % 16 != 0); + std::vector tmp_buffer(16); + for (u32 offset = 0; offset < regs.line_length_in; offset += 16) { + memory_manager.ReadBlockUnsafe( + convert_linear_2_blocklinear_addr(regs.offset_in + offset), + tmp_buffer.data(), tmp_buffer.size()); + memory_manager.WriteBlock(regs.offset_out + offset, tmp_buffer.data(), + tmp_buffer.size()); } - memory_manager.WriteBlock(regs.offset_out, dst_buffer.data(), regs.line_length_in); } else if (is_src_pitch && !is_dst_pitch) { - std::vector tmp_buffer(regs.line_length_in); - std::vector dst_buffer(regs.line_length_in); - memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), - regs.line_length_in); - for (u32 offset = 0; offset < regs.line_length_in; ++offset) { - dst_buffer[convert_linear_2_blocklinear_addr(regs.offset_out + offset) - - regs.offset_out] = tmp_buffer[offset]; + UNIMPLEMENTED_IF(regs.line_length_in % 16 != 0); + UNIMPLEMENTED_IF(regs.offset_in % 16 != 0); + UNIMPLEMENTED_IF(regs.offset_out % 16 != 0); + std::vector tmp_buffer(16); + for (u32 offset = 0; offset < regs.line_length_in; offset += 16) { + memory_manager.ReadBlockUnsafe(regs.offset_in + offset, tmp_buffer.data(), + tmp_buffer.size()); + memory_manager.WriteBlock( + convert_linear_2_blocklinear_addr(regs.offset_out + offset), + tmp_buffer.data(), tmp_buffer.size()); } - memory_manager.WriteBlock(regs.offset_out, dst_buffer.data(), regs.line_length_in); } else { if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) { std::vector tmp_buffer(regs.line_length_in);