[GPU] InitializeRingBuffer - Clear buffer space to prevent random data readout

2020-01-06 23:10:00 +01:00 · 2020-01-06 23:10:00 +01:00 · 20660e7c14
parent 87fe381910
commit 20660e7c14
1 changed files with 3 additions and 0 deletions
--- a/src/xenia/gpu/command_processor.cc
+++ b/src/xenia/gpu/command_processor.cc
@ -256,6 +256,9 @@ void CommandProcessor::InitializeRingBuffer(uint32_t ptr, uint32_t log2_size) {
  read_ptr_index_ = 0;
  primary_buffer_ptr_ = ptr;
  primary_buffer_size_ = 1 << log2_size;
+
+  std::memset(kernel_state_->memory()->TranslatePhysical(primary_buffer_ptr_),
+              0x00, primary_buffer_size_);
 }

 void CommandProcessor::EnableReadPointerWriteBack(uint32_t ptr,