Common/Vulkan: Remove unused methods in staging texture

src/common/vulkan/staging_buffer.h

@@ -37,6 +37,7 @@ public:
   ALWAYS_INLINE VkDeviceSize GetMapOffset() const { return m_map_offset; }
   ALWAYS_INLINE VkDeviceSize GetMapSize() const { return m_map_size; }
   ALWAYS_INLINE bool IsValid() const { return (m_buffer != VK_NULL_HANDLE); }
+  ALWAYS_INLINE bool IsCoherent() const { return m_coherent; }
 
   bool Map(VkDeviceSize offset = 0, VkDeviceSize size = VK_WHOLE_SIZE);
   void Unmap();

src/common/vulkan/staging_texture.cpp

@@ -169,16 +169,6 @@ void StagingTexture::CopyToTexture(u32 src_x, u32 src_y, Texture& dst_texture, u
   m_flush_fence_counter = g_vulkan_context->GetCurrentFenceCounter();
 }
 
-bool StagingTexture::Map()
-{
-  return m_staging_buffer.Map();
-}
-
-void StagingTexture::Unmap()
-{
-  return m_staging_buffer.Unmap();
-}
-
 void StagingTexture::Flush()
 {
   if (!m_needs_flush)

src/common/vulkan/staging_texture.h

@@ -45,16 +45,6 @@ public:
   void CopyToTexture(u32 src_x, u32 src_y, Texture& dst_texture, u32 dst_x, u32 dst_y, u32 dst_layer, u32 dst_level,
                      u32 width, u32 height);
 
-  // Maps the texture into the CPU address space, enabling it to read the contents.
-  // The Map call may not perform synchronization. If the contents of the staging texture
-  // has been updated by a CopyFromTexture call, you must call Flush() first.
-  // If persistent mapping is supported in the backend, this may be a no-op.
-  bool Map();
-
-  // Unmaps the CPU-readable copy of the texture. May be a no-op on backends which
-  // support persistent-mapped buffers.
-  void Unmap();
-
   // Flushes pending writes from the CPU to the GPU, and reads from the GPU to the CPU.
   // This may cause a command buffer flush depending on if one has occurred between the last
   // call to CopyFromTexture()/CopyToTexture() and the Flush() call.

src/common/vulkan/util.cpp

@@ -9,6 +9,7 @@
 #include "../string_util.h"
 #include "context.h"
 #include "shader_compiler.h"
+Log_SetChannel(Vulkan::Util);
 
 namespace Vulkan {
 namespace Util {
@@ -80,6 +81,10 @@ u32 GetTexelSize(VkFormat format)
     case VK_FORMAT_B8G8R8A8_UNORM:
       return 4;
 
+    case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
+    case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
+      return 2;
+
     case VK_FORMAT_BC1_RGBA_UNORM_BLOCK:
       return 8;