More useful param type

...for arg that ultimately ends up as const GLVoid *pixels arg to
glTexImage2D

Change-Id: I69ba2f1dd397fa103f3f59638bec727add3caed7

vcl/inc/opengl/texture.hxx

@@ -42,7 +42,7 @@ public:
     int mnFreeSlots;
 
     ImplOpenGLTexture( int nWidth, int nHeight, bool bAllocate );
-    ImplOpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, sal_uInt8* pData );
+    ImplOpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, void const * pData );
     ImplOpenGLTexture( int nX, int nY, int nWidth, int nHeight );
     ~ImplOpenGLTexture();
 
@@ -93,7 +93,7 @@ public:
                     OpenGLTexture(ImplOpenGLTexture* pImpl, Rectangle aRectangle, int nSlotNumber = 0);
 
                     OpenGLTexture( int nWidth, int nHeight, bool bAllocate = true );
-                    OpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, sal_uInt8* pData );
+                    OpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, void const * pData );
                     OpenGLTexture( int nX, int nY, int nWidth, int nHeight );
                     OpenGLTexture( const OpenGLTexture& rTexture );
                     OpenGLTexture( const OpenGLTexture& rTexture, int nX, int nY, int nWidth, int nHeight );

vcl/opengl/salbmp.cxx

@@ -514,7 +514,7 @@ bool OpenGLSalBitmap::calcChecksumGL(OpenGLTexture& rInputTexture, ChecksumType&
     OUString FragShader("areaHashCRC64TFragmentShader");
 
     static const OpenGLTexture aCRCTableTexture(512, 1, GL_RGBA, GL_UNSIGNED_BYTE,
-            const_cast<sal_uInt8*>(reinterpret_cast<const sal_uInt8*>(vcl_get_crc64_table())));
+            vcl_get_crc64_table());
 
     // First Pass
 

vcl/opengl/texture.cxx

@@ -80,7 +80,7 @@ ImplOpenGLTexture::ImplOpenGLTexture( int nX, int nY, int nWidth, int nHeight )
 }
 
 // texture from buffer data
-ImplOpenGLTexture::ImplOpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, sal_uInt8* pData ) :
+ImplOpenGLTexture::ImplOpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, void const * pData ) :
     mnRefCount( 1 ),
     mnTexture( 0 ),
     mnWidth( nWidth ),
@@ -193,7 +193,7 @@ OpenGLTexture::OpenGLTexture( int nX, int nY, int nWidth, int nHeight )
     mpImpl = new ImplOpenGLTexture( nX, nY, nWidth, nHeight );
 }
 
-OpenGLTexture::OpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, sal_uInt8* pData )
+OpenGLTexture::OpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, void const * pData )
     : maRect( Point( 0, 0 ), Size( nWidth, nHeight ) )
     , mnSlotNumber(-1)
 {