Rename Slow Framebuf effects to Shader Blending (might remove). Reassign readbacks to BlockTransferGPU.

GPU/Common/FramebufferManagerCommon.cpp

@@ -494,7 +494,7 @@ VirtualFramebuffer *FramebufferManagerCommon::DoSetRenderFrameBuffer(Framebuffer
 		currentRenderVfb_ = vfb;
 
 		// Assume that if we're clearing right when switching to a new framebuffer, we don't need to upload.
-		if (useBufferedRendering_ && !g_Config.bDisableSlowFramebufEffects && params.isDrawing) {
+		if (useBufferedRendering_ && params.isDrawing) {
 			gpu->PerformMemoryUpload(params.fb_address, byteSize);
 			// Alpha was already done by PerformMemoryUpload.
 			PerformStencilUpload(params.fb_address, byteSize, StencilUpload::STENCIL_IS_ZERO | StencilUpload::IGNORE_ALPHA);
@@ -1233,7 +1233,7 @@ void FramebufferManagerCommon::DownloadFramebufferOnSwitch(VirtualFramebuffer *v
 		// Some games will draw to some memory once, and use it as a render-to-texture later.
 		// To support this, we save the first frame to memory when we have a safe w/h.
 		// Saving each frame would be slow.
-		if (!g_Config.bDisableSlowFramebufEffects && !PSP_CoreParameter().compat.flags().DisableFirstFrameReadback) {
+		if (g_Config.bBlockTransferGPU && !PSP_CoreParameter().compat.flags().DisableFirstFrameReadback) {
 			ReadFramebufferToMemory(vfb, 0, 0, vfb->safeWidth, vfb->safeHeight, RASTER_COLOR);
 			vfb->usageFlags = (vfb->usageFlags | FB_USAGE_DOWNLOAD | FB_USAGE_FIRST_FRAME_SAVED) & ~FB_USAGE_DOWNLOAD_CLEAR;
 			vfb->safeWidth = 0;