gl: Minor enhancements to blitter

- Move some functions to cpp. Makes it easier to debug failing image operations
- Add fbo validation before blit operations

rpcs3/Emu/RSX/GL/glutils/blitter.cpp

@@ -8,6 +8,18 @@ namespace gl
 {
 	blitter* g_hw_blitter = nullptr;
 
+	void blitter::init()
+	{
+		blit_src.create();
+		blit_dst.create();
+	}
+
+	void blitter::destroy()
+	{
+		blit_dst.remove();
+		blit_src.remove();
+	}
+
 	void blitter::copy_image(gl::command_context&, const texture* src, const texture* dst, int src_level, int dst_level, const position3i& src_offset, const position3i& dst_offset, const size3i& size) const
 	{
 		ensure(src_level == 0);
@@ -147,6 +159,9 @@ namespace gl
 			gl::fbo::attachment dst_att{ blit_dst, static_cast<fbo::attachment::type>(attachment) };
 			dst_att = *real_dst;
 
+			blit_src.check();
+			blit_dst.check();
+
 			blit_src.blit(blit_dst, src_rect, dst_rect, target, interp);
 
 			// Release the attachments explicitly (not doing so causes glitches, e.g Journey Menu)

rpcs3/Emu/RSX/GL/glutils/blitter.h

@@ -30,17 +30,9 @@ namespace gl
 
 	public:
 
-		void init()
+		void init();
-		{
-			blit_src.create();
-			blit_dst.create();
-		}
 
-		void destroy()
+		void destroy();
-		{
-			blit_dst.remove();
-			blit_src.remove();
-		}
 
 		void scale_image(gl::command_context& cmd, const texture* src, texture* dst, areai src_rect, areai dst_rect, bool linear_interpolation,
 			const rsx::typeless_xfer& xfer_info);