Renames "dx9" utility namespace to "d3d9"

src/libGLESv2/renderer/Image9.cpp

@@ -127,8 +127,8 @@ void Image9::copyLockableSurfaces(IDirect3DSurface9 *dest, IDirect3DSurface9 *so
         D3DSURFACE_DESC desc;
         source->GetDesc(&desc);
 
-        int rows = dx::IsCompressedFormat(desc.Format) ? desc.Height / 4 : desc.Height;
-        int bytes = dx::ComputeRowSize(desc.Format, desc.Width);
+        int rows = d3d9::IsCompressedFormat(desc.Format) ? desc.Height / 4 : desc.Height;
+        int bytes = d3d9::ComputeRowSize(desc.Format, desc.Width);
         ASSERT(bytes <= sourceLock.Pitch && bytes <= destLock.Pitch);
 
         for(int i = 0; i < rows; i++)

src/libGLESv2/renderer/renderer9_utils.cpp

@@ -448,7 +448,7 @@ GLenum GetEquivalentFormat(D3DFORMAT format)
 
 }
 
-namespace dx
+namespace d3d9
 {
 
 bool IsCompressedFormat(D3DFORMAT surfaceFormat)

src/libGLESv2/renderer/renderer9_utils.h

@@ -56,7 +56,7 @@ GLenum GetEquivalentFormat(D3DFORMAT format);
 
 }
 
-namespace dx
+namespace d3d9
 {
 bool IsCompressedFormat(D3DFORMAT format);
 size_t ComputeRowSize(D3DFORMAT format, unsigned int width);