[FS] Implement SaveData sort of.

include/PICA/gpu.hpp

@@ -85,10 +85,18 @@ public:
 	u32 readInternalReg(u32 index);
 	void writeInternalReg(u32 index, u32 value, u32 mask);
 
+	// TODO: Emulate the transfer engine & its registers
+	// Then this can be emulated by just writing the appropriate values there
 	void clearBuffer(u32 startAddress, u32 endAddress, u32 value, u32 control) {
 		renderer.clearBuffer(startAddress, endAddress, value, control);
 	}
 
+	// TODO: Emulate the transfer engine & its registers
+	// Then this can be emulated by just writing the appropriate values there
+	void displayTransfer(u32 inputAddr, u32 outputAddr, u32 inputSize, u32 outputSize, u32 flags) {
+		renderer.displayTransfer(inputAddr, outputAddr, inputSize, outputSize, flags);
+	}
+
 	// Read a value of type T from physical address paddr
 	// This is necessary because vertex attribute fetching uses physical addresses
 	template <typename T>

include/renderer_gl/renderer_gl.hpp

@@ -61,6 +61,8 @@ class Renderer {
 	OpenGL::Texture getTexture(Texture& tex);
 
 	MAKE_LOG_FUNCTION(log, rendererLogger)
+	void setupBlending();
+	void bindDepthBuffer();
 
 public:
 	Renderer(GPU& gpu, const std::array<u32, regNum>& internalRegs) : gpu(gpu), regs(internalRegs) {}
@@ -70,6 +72,7 @@ public:
 	void initGraphicsContext(); // Initialize graphics context
 	void getGraphicsContext();  // Set up graphics context for rendering
 	void clearBuffer(u32 startAddress, u32 endAddress, u32 value, u32 control); // Clear a GPU buffer in VRAM
+	void displayTransfer(u32 inputAddr, u32 outputAddr, u32 inputSize, u32 outputSize, u32 flags); // Perform display transfer
 	void drawVertices(OpenGL::Primitives primType, Vertex* vertices, u32 count); // Draw the given vertices
 
 	void setFBSize(u32 width, u32 height) {
@@ -92,8 +95,5 @@ public:
 	void setColourBufferLoc(u32 loc) { colourBufferLoc = loc; }
 	void setDepthBufferLoc(u32 loc) { depthBufferLoc = loc; }
 
-	void setupBlending();
-	void bindDepthBuffer();
-
 	static constexpr u32 vertexBufferSize = 0x1500;
 };