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video_core: Fix dma copy 1D random crash

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This commit is contained in:
FengChen 2022-11-07 22:20:35 +08:00
parent aa97f39ba8
commit d03afd6f4b
1 changed files with 20 additions and 17 deletions
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37
src/video_core/engines/maxwell_dma.cpp
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@ -102,26 +102,29 @@ void MaxwellDMA::Launch() {
const bool is_src_pitch = IsPitchKind(static_cast<PTEKind>(src_kind)); const bool is_src_pitch = IsPitchKind(static_cast<PTEKind>(src_kind));
const bool is_dst_pitch = IsPitchKind(static_cast<PTEKind>(dst_kind)); const bool is_dst_pitch = IsPitchKind(static_cast<PTEKind>(dst_kind));
if (!is_src_pitch && is_dst_pitch) { if (!is_src_pitch && is_dst_pitch) {
std::vector<u8> tmp_buffer(regs.line_length_in); UNIMPLEMENTED_IF(regs.line_length_in % 16 != 0);
std::vector<u8> dst_buffer(regs.line_length_in); UNIMPLEMENTED_IF(regs.offset_in % 16 != 0);
memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), UNIMPLEMENTED_IF(regs.offset_out % 16 != 0);
regs.line_length_in); std::vector<u8> tmp_buffer(16);
for (u32 offset = 0; offset < regs.line_length_in; ++offset) { for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
dst_buffer[offset] = memory_manager.ReadBlockUnsafe(
tmp_buffer[convert_linear_2_blocklinear_addr(regs.offset_in + offset) - convert_linear_2_blocklinear_addr(regs.offset_in + offset),
regs.offset_in]; 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) { } else if (is_src_pitch && !is_dst_pitch) {
std::vector<u8> tmp_buffer(regs.line_length_in); UNIMPLEMENTED_IF(regs.line_length_in % 16 != 0);
std::vector<u8> dst_buffer(regs.line_length_in); UNIMPLEMENTED_IF(regs.offset_in % 16 != 0);
memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), UNIMPLEMENTED_IF(regs.offset_out % 16 != 0);
regs.line_length_in); std::vector<u8> tmp_buffer(16);
for (u32 offset = 0; offset < regs.line_length_in; ++offset) { for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
dst_buffer[convert_linear_2_blocklinear_addr(regs.offset_out + offset) - memory_manager.ReadBlockUnsafe(regs.offset_in + offset, tmp_buffer.data(),
regs.offset_out] = tmp_buffer[offset]; 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 { } else {
if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) { if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) {
std::vector<u8> tmp_buffer(regs.line_length_in); std::vector<u8> tmp_buffer(regs.line_length_in);