diff --git a/d912pxy/d912pxy_surface_ops.cpp b/d912pxy/d912pxy_surface_ops.cpp
index 74d69393..2943a1bc 100644
--- a/d912pxy/d912pxy_surface_ops.cpp
+++ b/d912pxy/d912pxy_surface_ops.cpp
@@ -26,7 +26,6 @@ SOFTWARE.
 
 d912pxy_surface_ops::d912pxy_surface_ops(d912pxy_device * dev) : d912pxy_noncom( L"surface_ops")
 {
-	//TODO: write shaders
 	vs[SHSET_CLEAR] = d912pxy_shader::d912pxy_shader_com(1, 0, 0x4);
 	ps[SHSET_CLEAR] = d912pxy_shader::d912pxy_shader_com(0, 0, 0x5);	
 	vs[SHSET_STRETCH] = d912pxy_shader::d912pxy_shader_com(1, 0, 0x6);
@@ -65,7 +64,7 @@ d912pxy_surface_ops::d912pxy_surface_ops(d912pxy_device * dev) : d912pxy_noncom(
 	
 	vdcl = d912pxy_vdecl::d912pxy_vdecl_com(vDclElements);
 
-
+	bilinearSamplerId = d912pxy_s.render.state.tex.LookupSamplerId(bilinearSamplerDsc);
 }
 
 d912pxy_surface_ops::~d912pxy_surface_ops()
@@ -193,20 +192,27 @@ void d912pxy_surface_ops::StretchRect(d912pxy_surface* pSourceSurface, d912pxy_s
 	
 	d912pxy_surface* oldRT = d912pxy_s.render.iframe.GetBindedSurface(1);
 	d912pxy_surface* oldDS = d912pxy_s.render.iframe.GetBindedSurface(0);
-	UINT oldTex0 = d912pxy_s.render.state.tex.GetTexStage(0);
 	d912pxy_surface* targetRT = dDst.Usage == D3DUSAGE_RENDERTARGET ? 
 		pDestSurface : 
 		d912pxy_s.pool.rtds.GetSurface(dDst.Width, dDst.Height, dDst.Format, 1, 1, D3DUSAGE_RENDERTARGET, nullptr); 	
 
 	D3D12_VIEWPORT wvp{ 0,0, (float)dDst.Width, (float)dDst.Height, 0, 1 };
 	d912pxy_s.render.iframe.SetViewport(&wvp);
-	d912pxy_s.render.state.tex.SetTexture(0, pSourceSurface->GetSRVHeapId());
+
+	d912pxy_batch_buffer_sub_element texSet, samplerSet = {};
+
+	texSet.ui[0] = pSourceSurface->GetSRVHeapId();
+	samplerSet.ui[0] = bilinearSamplerId;
+
+	d912pxy_s.render.state.tex.Use();
+	d912pxy_s.render.batch.GPUWrite(&texSet, 1, D912PXY_GPU_WRITE_OFFSET_TEXBIND);
+	d912pxy_s.render.batch.GPUWrite(&samplerSet, 1, D912PXY_GPU_WRITE_OFFSET_SAMPLER);
+	
 	d912pxy_s.render.iframe.BindSurface(1, targetRT);
 	d912pxy_s.render.iframe.BindSurface(0, nullptr);
 	
 	d912pxy_s.render.state.pso.SetCurrentDesc(localPSO);
 
-    //TODO: sampler for tex0
 	PXY_COM_CAST_(IDirect3DDevice9, &d912pxy_s.dev)->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 0, 4, 0, 2);
 	
 	d912pxy_s.render.iframe.BindSurface(1, oldRT);
@@ -218,7 +224,10 @@ void d912pxy_surface_ops::StretchRect(d912pxy_surface* pSourceSurface, d912pxy_s
 		targetRT->Release();
 	}
 
-	d912pxy_s.render.state.tex.SetTexture(0, oldTex0);
+	//reset texture & sampler via dirty flag
+	d912pxy_s.render.state.tex.AddDirtyFlag(
+		d912pxy_s.render.state.tex.MakeDirtyFlagBit(0, false) | d912pxy_s.render.state.tex.MakeDirtyFlagBit(0, true)
+	);
 }
 
 void d912pxy_surface_ops::SetCommonState(shaderSet idx)
diff --git a/d912pxy/d912pxy_surface_ops.h b/d912pxy/d912pxy_surface_ops.h
index 93102bf8..5697da41 100644
--- a/d912pxy/d912pxy_surface_ops.h
+++ b/d912pxy/d912pxy_surface_ops.h
@@ -65,5 +65,10 @@ class d912pxy_surface_ops : public d912pxy_noncom
 	d912pxy_vstream* vBuf;
 	d912pxy_vstream* iBuf;
 	d912pxy_trimmed_pso_desc localPSO;
+
+	// bilinear, uvw wrap
+	constexpr static d912pxy_trimmed_sampler_dsc bilinearSamplerDsc = { 0x92,0x49, 0, 0 };
+
+	UINT bilinearSamplerId;
 };
 
diff --git a/d912pxy/d912pxy_texture_state.h b/d912pxy/d912pxy_texture_state.h
index cde1ae19..6f7f221c 100644
--- a/d912pxy/d912pxy_texture_state.h
+++ b/d912pxy/d912pxy_texture_state.h
@@ -68,9 +68,18 @@ class d912pxy_texture_state : public d912pxy_noncom
 
 	void ClearActiveTextures();
 
-private:
+	constexpr DWORD MakeDirtyFlagBit(const int stage, const bool sampler)
+	{
+		if (sampler)
+			return (1 << stage) << 8;
+		else
+			return 1 << (stage >> 2);
+	}
+
 	//this function is not thread safe
 	UINT LookupSamplerId(const d912pxy_trimmed_sampler_dsc& trimmedDsc);
+
+private:
 	UINT LookupSamplerId(UINT stage);
 
 	void UpdateFullSplDsc(const d912pxy_trimmed_sampler_dsc& trimmedSpl);