Merge pull request #536 from bunnei/isetp_imm

gl_shader_decompiler: Implement ISETP_IMM instruction.

src/video_core/renderer_opengl/gl_shader_decompiler.cpp

@@ -1278,17 +1278,18 @@ private:
         }
         case OpCode::Type::IntegerSetPredicate: {
             std::string op_a = regs.GetRegisterAsInteger(instr.gpr8, 0, instr.isetp.is_signed);
+            std::string op_b;
 
-            std::string op_b{};
-
-            ASSERT_MSG(!instr.is_b_imm, "ISETP_IMM not implemented");
-
+            if (instr.is_b_imm) {
+                op_b += '(' + std::to_string(instr.alu.GetSignedImm20_20()) + ')';
+            } else {
                 if (instr.is_b_gpr) {
                     op_b += regs.GetRegisterAsInteger(instr.gpr20, 0, instr.isetp.is_signed);
                 } else {
                     op_b += regs.GetUniform(instr.cbuf34.index, instr.cbuf34.offset,
                                             GLSLRegister::Type::Integer);
                 }
+            }
 
             using Tegra::Shader::Pred;
             // We can't use the constant predicate as destination.