support direct yuv texture upload (limited) and update dvt

src/texture_uploader.hpp

@@ -4,7 +4,7 @@
 #include <cstddef>
 
 struct TextureUploaderI {
-	static constexpr const char* version {"2"};
+	static constexpr const char* version {"3"};
 
 	enum Filter {
 		NEAREST,
@@ -17,13 +17,30 @@ struct TextureUploaderI {
 		// target?
 	};
 
+	enum Format {
+		RGBA,
+		//RGB,
+
+		IYUV,
+		YV12,
+
+		NV12,
+		NV21,
+
+		MAX
+	};
+
 	virtual ~TextureUploaderI(void) {}
 
-	virtual uint64_t uploadRGBA(const uint8_t* data, uint32_t width, uint32_t height, Filter filter = LINEAR, Access access = STATIC) = 0;
+	[[deprecated]] virtual uint64_t uploadRGBA(const uint8_t* data, uint32_t width, uint32_t height, Filter filter = LINEAR, Access access = STATIC) = 0;
 
 	// keeps width height filter
 	// TODO: wh instead of size?
-	virtual bool updateRGBA(uint64_t tex_id, const uint8_t* data, size_t size) = 0;
+	[[deprecated]] virtual bool updateRGBA(uint64_t tex_id, const uint8_t* data, size_t size) = 0;
+
+	// use upload to create a texture, and update to update existing
+	virtual uint64_t upload(const uint8_t* data, uint32_t width, uint32_t height, Format format = RGBA, Filter filter = LINEAR, Access access = STATIC) = 0;
+	virtual bool update(uint64_t tex_id, const uint8_t* data, size_t size) = 0;
 
 	virtual void destroy(uint64_t tex_id) = 0;
 };