diff --git a/driver/pipeline.c b/driver/pipeline.c
index 05a7e7e..58affd6 100644
--- a/driver/pipeline.c
+++ b/driver/pipeline.c
@@ -57,130 +57,189 @@ void patchShaderDepthStencilBlending(uint64_t** instructions, uint32_t* size, co
 	}
 
 
+	//TODO account for MSAA state!
 	//TODO patch blending
 	//TODO optimise
 
-	/// patch shader so that r0 will contain whatever would be written to tlb_color_all
-	/// r0 contains sRGBA
-	//"sig_none ; r0 = or.always(a, a, uni, nop) ; nop = nop(r0, r0) ;"
+	if(bas->blendEnable)
+	{
+		/// patch shader so that r0 will contain whatever would be written to tlb_color_all
+		/// r0 contains sRGBA
+		//"sig_none ; r0 = or.always(a, a, uni, nop) ; nop = nop(r0, r0) ;"
 
-	/// load dRGBA to r1
-	/// load tbl color dRGBA to r4
-	//"sig_color_load ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
-	//"sig_none ; nop = nop(r0, r0) ; r1 = v8min.always(r4, r4) ;"
+		/// load dRGBA to r1
+		/// load tbl color dRGBA to r4
+		//"sig_color_load ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
+		//"sig_none ; nop = nop(r0, r0) ; r1 = v8min.always(r4, r4) ;"
+
+		//if factors are not separate
+		if(bas->srcAlphaBlendFactor == bas->srcColorBlendFactor &&
+		   bas->dstAlphaBlendFactor == bas->dstColorBlendFactor)
+		{
+			switch(bas->srcAlphaBlendFactor)
+			{
+			case VK_BLEND_FACTOR_ZERO:
+				/// if Sfactor is ZERO
+				//"sig_small_imm ; r2 = or.always(b, b, nop, 0) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE:
+				/// if Sfactor is ONE
+				//"sig_small_imm ; r2 = or.always(b, b, nop, -1) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_SRC_COLOR:
+				/// if Sfactor is sCOLOR
+				//"sig_none ; r2 = or.always(r0, r0) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:
+				/// if Sfactor is 1-sCOLOR
+				//"sig_none ; r2 = not.always(r0, r0) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_DST_COLOR:
+				/// if Sfactor is dCOLOR
+				//"sig_none ; r2 = or.always(r1, r1) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR:
+				/// if Sfactor is 1-dCOLOR
+				//"sig_none ; r2 = not.always(r1, r1) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_SRC_ALPHA:
+				/// if Sfactor is sALPHA
+				//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:
+				/// if Sfactor is 1-sALPHA
+				//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
+				//"sig_none ; r2 = not.always(r2, r2) ; nop = nop(r0, r0) ;"
+			case VK_BLEND_FACTOR_DST_ALPHA:
+				/// if Sfactor is dALPHA
+				//"sig_none ; r2.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:
+				/// if Sfactor is 1-dALPHA
+				//"sig_none ; r2.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;"
+				//"sig_none ; r2 = not.always(r2, r2) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_CONSTANT_COLOR:
+			case VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:
+			case VK_BLEND_FACTOR_CONSTANT_ALPHA:
+			case VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:
+				/// if Sfactor is cCOLOR, 1-cCOLOR, cALPHA, 1-cALPHA = 0xffffffff
+				//"sig_load_imm ; r2 = load32.always(0xffffffff) ; nop = load32() ;"
+				break;
+			case VK_BLEND_FACTOR_SRC_ALPHA_SATURATE:
+				/// if Sfactor is sALPHASat
+				//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;" //sAAAA
+				//"sig_none ; r3.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;" //dAAAA
+				//"sig_none ; r3 = not.always(r3, r3) ; nop = nop(r0, r0) ;" //1-dAAAA
+				//"sig_none ; nop = nop(r0, r0) ; r2 = v8min.always(r2, r3) ;" //min(sAAAA, 1-dAAAA)
+				//"sig_load_imm ; r3 = load32.always(0xff000000) ; nop = load32() ;" //load alpha = 1
+				//"sig_small_imm ; r2 = or.always(r2, r3) ; nop = nop(r0, r0) ;" //set alpha to 1
+				break;
+			}
+
+			/// Multiply sRGBA and source factor
+			//"sig_none ; nop = nop(r0, r0) ; r0 = v8muld.always(r0, r2) ;"
 
 
 
-	/// if Sfactor is ZERO
-	//"sig_small_imm ; r2 = or.always(b, b, nop, 0) ; nop = nop(r0, r0) ;"
+			switch(bas->dstAlphaBlendFactor)
+			{
+			case VK_BLEND_FACTOR_ZERO:
+				/// if Dfactor is ZERO
+				//"sig_small_imm ; r2 = or.always(b, b, nop, 0) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE:
+				/// if Dfactor is ONE
+				//"sig_small_imm ; r2 = or.always(b, b, nop, -1) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_SRC_COLOR:
+				/// if Dfactor is sCOLOR
+				//"sig_none ; r2 = or.always(r0, r0) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:
+				/// if Dfactor is 1-sCOLOR
+				//"sig_none ; r2 = not.always(r0, r0) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_DST_COLOR:
+				/// if Dfactor is dCOLOR
+				//"sig_none ; r2 = or.always(r1, r1) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR:
+				/// if Dfactor is 1-dCOLOR
+				//"sig_none ; r2 = not.always(r1, r1) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_SRC_ALPHA:
+				/// if Dfactor is sALPHA
+				//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:
+				/// if Dfactor is 1-sALPHA
+				//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
+				//"sig_none ; r2 = not.always(r2, r2) ; nop = nop(r0, r0) ;"
+			case VK_BLEND_FACTOR_DST_ALPHA:
+				/// if Dfactor is dALPHA
+				//"sig_none ; r2.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:
+				/// if Dfactor is 1-dALPHA
+				//"sig_none ; r2.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;"
+				//"sig_none ; r2 = not.always(r2, r2) ; nop = nop(r0, r0) ;"
+				break;
+			case VK_BLEND_FACTOR_CONSTANT_COLOR:
+			case VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:
+			case VK_BLEND_FACTOR_CONSTANT_ALPHA:
+			case VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:
+				/// if Dfactor is cCOLOR, 1-cCOLOR, cALPHA, 1-cALPHA = 0xffffffff
+				//"sig_load_imm ; r2 = load32.always(0xffffffff) ; nop = load32() ;"
+				break;
+			case VK_BLEND_FACTOR_SRC_ALPHA_SATURATE:
+				/// if Dfactor is sALPHASat
+				//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;" //sAAAA
+				//"sig_none ; r3.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;" //dAAAA
+				//"sig_none ; r3 = not.always(r3, r3) ; nop = nop(r0, r0) ;" //1-dAAAA
+				//"sig_none ; nop = nop(r0, r0) ; r2 = v8min.always(r2, r3) ;" //min(sAAAA, 1-dAAAA)
+				//"sig_load_imm ; r3 = load32.always(0xff000000) ; nop = load32() ;" //load alpha = 1
+				//"sig_small_imm ; r2 = or.always(r2, r3) ; nop = nop(r0, r0) ;" //set alpha to 1
+				break;
+			}
 
-	/// if Sfactor is ONE
-	//"sig_small_imm ; r2 = or.always(b, b, nop, -1) ; nop = nop(r0, r0) ;"
+			/// Multiply dRGBA and destination factor
+			//"sig_none ; nop = nop(r0, r0) ; r1 = v8muld.always(r1, r2) ;"
+		}
+		else //separate factors
+		{
+			//TODO
+		}
 
-	/// if Sfactor is sCOLOR
-	//"sig_none ; r2 = or.always(r0, r0) ; nop = nop(r0, r0) ;"
-
-	/// if Sfactor is 1-sCOLOR
-	//"sig_none ; r2 = not.always(r0, r0) ; nop = nop(r0, r0) ;"
-
-	/// if Sfactor is dCOLOR
-	//"sig_none ; r2 = or.always(r1, r1) ; nop = nop(r0, r0) ;"
-
-	/// if Sfactor is 1-dCOLOR
-	//"sig_none ; r2 = not.always(r1, r1) ; nop = nop(r0, r0) ;"
-
-	/// if Sfactor is sALPHA
-	//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
-
-	/// if Sfactor is 1-sALPHA
-	//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
-	//"sig_none ; r2 = not.always(r2, r2) ; nop = nop(r0, r0) ;"
-
-	/// if Sfactor is dALPHA
-	//"sig_none ; r2.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;"
-
-	/// if Sfactor is 1-dALPHA
-	//"sig_none ; r2.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;"
-	//"sig_none ; r2 = not.always(r2, r2) ; nop = nop(r0, r0) ;"
-
-	/// if Sfactor is cCOLOR, 1-cCOLOR, cALPHA, 1-cALPHA = 0xffffffff
-	//"sig_load_imm ; r2 = load32.always(0xffffffff) ; nop = load32() ;"
-
-	/// if Sfactor is sALPHASat
-	//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;" //sAAAA
-	//"sig_none ; r3.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;" //dAAAA
-	//"sig_none ; r3 = not.always(r3, r3) ; nop = nop(r0, r0) ;" //1-dAAAA
-	//"sig_none ; nop = nop(r0, r0) ; r2 = v8min.always(r2, r3) ;" //min(sAAAA, 1-dAAAA)
-	//"sig_load_imm ; r3 = load32.always(0xff000000) ; nop = load32() ;" //load alpha = 1
-	//"sig_small_imm ; r2 = or.always(r2, r3) ; nop = nop(r0, r0) ;" //set alpha to 1
-
-	/// Multiply sRGBA and source factor
-	//"sig_none ; nop = nop(r0, r0) ; r0 = v8muld.always(r0, r2) ;"
-
-
-
-	/// if Dfactor is ZERO
-	//"sig_small_imm ; r2 = or.always(b, b, nop, 0) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is ONE
-	//"sig_small_imm ; r2 = or.always(b, b, nop, -1) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is sCOLOR
-	//"sig_none ; r2 = or.always(r0, r0) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is 1-sCOLOR
-	//"sig_none ; r2 = not.always(r0, r0) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is dCOLOR
-	//"sig_none ; r2 = or.always(r1, r1) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is 1-dCOLOR
-	//"sig_none ; r2 = not.always(r1, r1) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is sALPHA
-	//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is 1-sALPHA
-	//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
-	//"sig_none ; r2 = not.always(r2, r2) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is dALPHA
-	//"sig_none ; r2.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is 1-dALPHA
-	//"sig_none ; r2.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;"
-	//"sig_none ; r2 = not.always(r2, r2) ; nop = nop(r0, r0) ;"
-
-	/// if Dfactor is cCOLOR, 1-cCOLOR, cALPHA, 1-cALPHA = 0xffffffff
-	//"sig_load_imm ; r2 = load32.always(0xffffffff) ; nop = load32() ;"
-
-	/// if Dfactor is sALPHASat
-	//"sig_none ; r2.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;" //sAAAA
-	//"sig_none ; r3.8888 = or.always.8d(r1, r1) ; nop = nop(r0, r0) ;" //dAAAA
-	//"sig_none ; r3 = not.always(r3, r3) ; nop = nop(r0, r0) ;" //1-dAAAA
-	//"sig_none ; nop = nop(r0, r0) ; r2 = v8min.always(r2, r3) ;" //min(sAAAA, 1-dAAAA)
-	//"sig_load_imm ; r3 = load32.always(0xff000000) ; nop = load32() ;" //load alpha = 1
-	//"sig_small_imm ; r2 = or.always(r2, r3) ; nop = nop(r0, r0) ;" //set alpha to 1
-
-	/// Multiply dRGBA and destination factor
-	//"sig_none ; nop = nop(r0, r0) ; r1 = v8muld.always(r1, r2) ;"
-
-
-
-	/// If Equation is ADD:
-	//"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8adds.always(r0, r1) ;"
-
-	/// If Equation is SUB:
-	//"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8subs.always(r0, r1) ;"
-
-	/// If Equation is rSUB:
-	//"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8subs.always(r1, r0) ;"
-
-	/// retain nops etc.
-	//"sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
-	//"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
-	//"sig_unlock_score ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
+		switch(bas->alphaBlendOp)
+		{
+		case VK_BLEND_OP_ADD:
+			/// If Equation is ADD:
+			//"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8adds.always(r0, r1) ;"
+			break;
+		case VK_BLEND_OP_SUBTRACT:
+			/// If Equation is SUB:
+			//"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8subs.always(r0, r1) ;"
+			break;
+		case VK_BLEND_OP_REVERSE_SUBTRACT:
+			/// If Equation is rSUB:
+			//"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8subs.always(r1, r0) ;"
+			break;
+		case VK_BLEND_OP_MIN:
+			/// If Equation is MIN:
+			//"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8min.always(r0, r1) ;"
+			break;
+		case VK_BLEND_OP_MAX:
+			/// If Equation is MAX:
+			//"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8max.always(r0, r1) ;"
+			break;
+		}
 
+		/// retain nops etc.
+		//"sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
+		//"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
+		//"sig_unlock_score ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
+	}
 
 	//replace instructions pointer
 	FREE(*instructions);