Fixes and Corrections to DMA Engine

1 files changed, 11 insertions, 0 deletions

diff --git a/src/video_core/engines/maxwell_dma.h b/src/video_core/engines/maxwell_dma.h
index 0b2e26199..8eab1332e 100644
--- a/src/video_core/engines/maxwell_dma.h
+++ b/src/video_core/engines/maxwell_dma.h
@@ -6,6 +6,7 @@
 
 #include <array>
 #include <cstddef>
+#include <vector>
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
@@ -155,6 +156,13 @@ public:
                     BitField<16, 2, u32> component_size;
                     BitField<20, 3, u32> src_num_components;
                     BitField<24, 3, u32> dst_num_components;
+
+                    u32 SrcBytePerPixel() const {
+                        return src_num_components.Value() * component_size.Value();
+                    }
+                    u32 DstBytePerPixel() const {
+                        return dst_num_components.Value() * component_size.Value();
+                    }
                 } swizzle_config;
 
                 Parameters dst_params;
@@ -176,6 +184,9 @@ private:
 
     MemoryManager& memory_manager;
 
+    std::vector<u8> read_buffer;
+    std::vector<u8> write_buffer;
+
     /// Performs the copy from the source buffer to the destination buffer as configured in the
     /// registers.
     void HandleCopy();