Method PrintCallInstr

Source/SpireCore/SpirVCodeGen.cpp:3451–3681

			Dictionary<String, int> GLSLstd450InstructionSet = GenGLSLstd450InstructionSet();

			void PrintCallInstr(CallInstruction * instr)
				// return ID of this instruction
			{
				String callName = GetFuncOriginalName(instr->Function);

				//------------------------- texture instructions -------------------------
				if (callName == "texture")
				{
					if (instr->Arguments[0]->Type->IsNonShadowTexture())
					{
						if (instr->Arguments[0]->Type->ToString() == "sampler2D")
						{
							//*** no bias!!!
							//__intrinsic vec4 texture(sampler2D tex, vec2 coord);
							ctx.AddInstrTexture(
								(ILOperand*)instr,
								GetOperandValue(instr->Arguments[0].Ptr()),
								GetOperandValue(instr->Arguments[1].Ptr()),
								currentExecutionModel
							);
							return;
						}
						else if (instr->Arguments[0]->Type->ToString() == "samplerCube")
						{
							if (instr->Arguments.Count() == 2)
							{
								//__intrinsic vec4 texture(samplerCube tex, vec3 coord);
								ctx.AddInstrTexture(
									(ILOperand*)instr,
									GetOperandValue(instr->Arguments[0].Ptr()),
									GetOperandValue(instr->Arguments[1].Ptr()),
									currentExecutionModel
								);
								return;
							}
							else
							{
								//__intrinsic vec4 texture(samplerCube tex, vec3 coord, float bias);
								ctx.AddInstrTexture(
									(ILOperand*)instr,
									GetOperandValue(instr->Arguments[0].Ptr()),
									GetOperandValue(instr->Arguments[1].Ptr()),
									currentExecutionModel,
									GetOperandValue(instr->Arguments[2].Ptr())
								);
								return;
							}
						}
					}
					else
					{
						//instr->Arguments[0]->Type->IsShadowTexture

						//__intrinsic float texture(sampler2DShadow tex, vec3 coord);
						//__intrinsic float texture(samplerCubeShadow tex, vec4 coord);
						ctx.AddInstrTextureShadow(
							(ILOperand*)instr,
							GetOperandValue(instr->Arguments[0].Ptr()),