d3d: Add RebindFramebuffer().

GPU/Common/FramebufferCommon.h

@@ -110,6 +110,7 @@ public:
 		}
 		DoSetRenderFrameBuffer();
 	}
+	virtual void RebindFramebuffer() = 0;
 
 	size_t NumVFBs() const { return vfbs_.size(); }
 

GPU/Directx9/FramebufferDX9.cpp

@@ -331,6 +331,14 @@ namespace DX9 {
 		delete v;
 	}
 
+	void FramebufferManagerDX9::RebindFramebuffer() {
+		if (currentRenderVfb_ && currentRenderVfb_->fbo) {
+			fbo_bind_as_render_target(currentRenderVfb_->fbo);
+		} else {
+			fbo_unbind();
+		}
+	}
+
 	void FramebufferManagerDX9::ResizeFramebufFBO(VirtualFramebuffer *vfb, u16 w, u16 h, bool force) {
 		float renderWidthFactor = (float)vfb->renderWidth / (float)vfb->bufferWidth;
 		float renderHeightFactor = (float)vfb->renderHeight / (float)vfb->bufferHeight;
@@ -750,6 +758,7 @@ namespace DX9 {
 			}
 #endif
 #endif
+			RebindFramebuffer();
 		}
 	}
 
@@ -1006,9 +1015,7 @@ namespace DX9 {
 				}
 			}
 
-			// TODO: RebindFramebuffer();
-			fbo_unbind();
-			currentRenderVfb_ = 0;
+			RebindFramebuffer();
 		}
 	}
 

GPU/Directx9/FramebufferDX9.h

@@ -86,6 +86,8 @@ public:
 	bool GetCurrentDepthbuffer(GPUDebugBuffer &buffer);
 	bool GetCurrentStencilbuffer(GPUDebugBuffer &buffer);
 
+	virtual void RebindFramebuffer() override;
+
 protected:
 	virtual void DisableState() override;
 	virtual void ClearBuffer() override;

GPU/GLES/Framebuffer.h

@@ -119,7 +119,7 @@ public:
 	bool GetCurrentDepthbuffer(GPUDebugBuffer &buffer);
 	bool GetCurrentStencilbuffer(GPUDebugBuffer &buffer);
 
-	void RebindFramebuffer();
+	virtual void RebindFramebuffer() override;
 
 	FBO *GetTempFBO(u16 w, u16 h, FBOColorDepth depth = FBO_8888);