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-rw-r--r--src/video_core/engines/maxwell_dma.cpp38
1 files changed, 21 insertions, 17 deletions
diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp
index 4eb7a100d..1bf6ca2dd 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<PTEKind>(src_kind));
const bool is_dst_pitch = IsPitchKind(static_cast<PTEKind>(dst_kind));
if (!is_src_pitch && is_dst_pitch) {
- std::vector<u8> tmp_buffer(regs.line_length_in);
- std::vector<u8> 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<u8> 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<u8> tmp_buffer(regs.line_length_in);
- std::vector<u8> 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<u8> 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<u8> tmp_buffer(regs.line_length_in);
@@ -311,6 +314,7 @@ void MaxwellDMA::ReleaseSemaphore() {
}
default:
ASSERT_MSG(false, "Unknown semaphore type: {}", static_cast<u32>(type.Value()));
+ break;
}
}